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product specification 1/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 specification for approval ( ) preliminary s pecification ) ( final s pecificati o n 42.0? w uxga tft lcd title mode l genera l buy e r * w hen you ob ta in standard appro v a l , p l ease use the abo ve mode l na me w i thout su ffix lc420 w u 4 *mode l sl b1 suffix lg. p hilips lcd co., lt d. s u ppl ie r tv p r odu ct dev e lopm en t dept. lg. philips lcd co., ltd h . s. kim/ eng i neer pre p ared by j . t . kim/ manager revi ewed by j . h yoon / sen i o r manager si gnatur e date approve d by please re tu rn 1 copy fo r you r confir ma tion w i th you r s i gnatu r e and co mmen ts . / / / si gnatur e date approve d by www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 2/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 contents 27 precaut ion s 9 27 mount ing p r ecaut ions 9-1 27 operating precaut ion s 9-2 28 elect r ost a tic discharge con t rol 9-3 28 precaut ion s for s t rong ligh t ex posure 9-4 28 storage 9-5 28 handling precaut ions for pro t e c t i on film 9-6 14 8 int e rface c o nnect ions 3-2 color dat a reference 3-5 26 designatio n of lo t ma rk 8-1 26 packing form 8-2 26 packing 8 25 emc 7-2 1 cover 2 cont en t s 3 record of revisions 4 general de script ion 1 5 absolut e m a x i mum rat i ngs 2 6 elect r ical specifica t ions 3 6 elect r ical charact eristics 3-1 11 signal t i min g specifica t ions 3-3 13 signal t i min g waveforms 3-4 15 power sequence 3-6 17 opt i cal specificat ions 4 21 mechanical charact eristics 5 24 reliabilit y 6 25 int e rnat i onal st andards 7 25 safe t y 7-1 page item num b er www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 3/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 record of revisions first draft. - aug. 21, 2007 1.0 de s c rip t io n page r e vis i on da te r e vis i on no . www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 4/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 1. gener a l des c r iption lc42 0wu4 is a color active matr ix liquid cr ystal d i splay w i t h a n c o l d c a t h o d f l u o r e s c e n t l a m p (ccfl) b a c k lig ht s y s te m . t h e m a t r i x e m p l o y s a - s i t h i n f i l m t r a n s i s t o r a s t h e a c t i v e e l e m e n t . it is a trans mis s i ve type d i sp la y ope rating in the nor ma lly b l ac k mode. it has a 42 inch d i agona lly measu r e d a c t i v e d i s p l a y a r ea w i th w u xg a r e s o lu tio n ( 1 080 ve r t i c a l b y 1920 ho r i z o n t al p i xe l a r r a y ) each p i xe l is d i vided in to r ed, g r een and blue sub- p i xe ls o r dots wh ich a r e a r ranged in ve r t ica l s t r i pe s . g r a y s c a l e or the lu minan ce of the sub - p i xe l co lo r is de te r m ined w i th a 8b it o r 10 -b it g r a y sca le s i gna l fo r each dot, t h u s presenting a palett e of more t han 1. 06 billion of color s . it has been d e s i gned to app ly the 10 -b it 4 por t lvds in ter f ace . it is in tende d to suppor t lcd t v , pc tv w here h i gh br igh t ness , supe r w i de view ing angle , high co lo r ga mu t, h i gh co lo r de p t h and fas t mo ving p i c t u r e response time a r e impo rtant. general feature s cn1 ( 51pin) lvds 2po r t so u r ce d r iv er c i rcu i t tft - l cd panel ( 1920 rgb 1080 p i xe ls ) g1 s1 s1 92 0 g1080 mini-lvds(rgb) timing controll er g a t e driv er cir c uit ee pro m po w e r circ u i t blo c k sda scl +12 . 0v sdr a m mem ctrl rgb p-vcom lvds 2po r t cn2 ( 41pin) ga mma b ack lig h t assemb l y 3 p in x 1 cn(high) 3 p in x 1 cn(high) +24 . 0v , gnd , v br- a , vbr-b in v e rter(ma s ter) i n ve r t e r ( s l a ve ) +24 . 0v , g n d vie w i ng an gle f r ee ( r/l 178( min), u/d 178( min.)) vie w i ng ang l e (cr> 10) 10bit(d) , 1.06 billo n colors color d epth 1920 h o riz. b y 1080 vert. pi xe l s rgb stripe arrangem ent pixel format 500 cd/m 2 (ce n ter 1 point t y p.) lumin ance, w h ite t o tal 171.84 w a tt (t y p .) (lo g ic= 8.64 w , in verter = 163.2w [vbr-a= 1 .6 5v] ) po w e r co nsu m ption 11.5 kg (t y p .) w e ight t r ansmissive mode, norma ll y bl ack displ a y op erat ing mod e hard coating(3h), anti-glare tr eatment of the front polariz er surface t r eatment 484.5 ? x 484. 5 ? pixel pitch 983.0 mm(h) x 576.0 mm(v) x 51.0 mm(d) ( t y p .) outline dim en sion 42.02 inc hes(1 067.31mm) d i a gona l active screen size www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 5/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 2. absol u t e maximum ratings t he fo llo w ings a r e ma ximum va lues wh ich , if e x ceede d , ma y cause fau l ty ope ration o r da mage to the un it. tabl e 1. absolut e maximum rating s note 1 #7 pin(c n 1) v dc +3 .6 -0.3 v i option inp u t voltage(se lect) v dc +5 .0 0.0 v br -a /ex t _pwm brightness c o ntrol voltag e note 1,2 e +5 0 0 t op operating t e mperature w hen oper atin g v dc + 28.0 -0.3 v bl backlig ht invert er lcm unit %rh 90 10 h op operating amb i ent humi dit y %rh 90 10 h st storage hum i d i t y e +6 0 -20 t st storage t e mperature v dc +5 .5 -0.3 v o n /of f on/off control voltage ? ? gy\g v dc + 14.0 -0.3 v lcd po w e r input voltage max min parameter remark value sy m b o l n o tes : 1. tempe r a t u r e an d re lative hu mid i ty r ange a r e shown in the figu re be lo w. we t bu lb te mpe r a t u r e should be 39 ? c ma x. and no cond ensation of wa ter . 2. g r a v ity mu ra can be guaranteed under 40 e cond ition. 90% 10 20 30 40 50 60 70 80 0 -2 0 0 10 20 30 40 50 dry b u l b t e m p era t ure [ ? c ] wet b u lb tem p era t ur e [ ? c ] s t o r age op er ati o n humidit y [(%)rh ] 10% 40% 60% 60 www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 6/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 3. electrical specifications 3-1. electrical ch aract er i s t i cs it requ ire s two powe r inputs . one is e m plo y ed to power the l c d e l ec tron ics and to dr ive the t f t a r ra y and liqu i d c r ysta l . t he o t her inpu t po wer fo r the c c f l/back ligh t is to pow e r in ve r t e r . tabl e 2- 1. e l ectrical characte r istic s 1 ma 870 720 - 1 wa tt 10.5 8. 6 4 - p lc d po w e r c onsu m ption 3 a 5. 0 - - i ru sh rush current v dc 12.6 12.0 11.4 v lc d pow e r input voltage 2 a 1 . 62 1 . 35 - i lc d pow e r input current module : parameter sy m b o l max ty p min note unit value not e : 1. the spec ified cu r r ent and powe r con s u m p t ion a r e under the v lcd =12.0v, 25 r 2 c, f v = 1 20 h z c o n d i t io n whereas mo sa ic patte rn (8 x 6 ) is d i sp la yed and f v is the fra m e fr eque nc y. 2. the cu r r en t is spec ified at the ma xim u m cu r r en t pa tte r n . 3. the du ra tion o f rush cu rr ent is about 2 ~ 3 m s and r i s i ng time o f p o wer input is 1 m s ( min.) . w h ite : 255gra y(1023gra y) black : 0g ra y mosai c p a tt ern(8 x 6) www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 7/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 tabl e 2- 2. e l ectrical characte r istic s % 100 20 brig ht n e ss b o ost = 3. 3 v ? 2 a 10.9 10.4 - b o ost = 3. 3 v ? 1 a 7.9 7.4 - on duty % 100 40 extv b r-b br ightness a d just before aging after aging b o ost = 1. 6 5 v ? 1 a 7.3 6.8 - i b l_a pow e r supply input current b o ost = 1. 6 5 v ? 2 a 10.3 9.8 - i b l_b la m p : - db ( a ) 24 pea k le v e l a u dible n o ise 27 ov er all lev el 5 hrs 50,000 bo ost(0 v ~ 3 .3v) life time 0.0 2.5 v dc 5.0 - high l e vel pulse dut y (pw m ) (burst mode) v dc 0.8 - lo w lev el boo s t = m a x ma(rms) 150 140 130 i o- ma x boo s t = ty p ma(rms) 132 122 112 i o-ty p 1 vp - p 0.5 - - po w e r supp ly input vo lt age r i pp le 190 boo s t = ty p v(rms ) 1350 1100 850 vou t la m p vo lt age (e x t vb r - b = 100% ) 1 vd c 28 un load ing input vo ltage e x t vb r - b = 100% b o ost = 1. 6 5 v ? 6 a 12 - - irus h po w e r supp ly input cu r r ent ( i n - ru sh ) 4 hz 135 ntsc/ p a l p w m f r equen cy fo r n t s c & pal boo s t = m i n ma(rms) 114 104 94 i o- min la m p cu r r ent (e x t vb r - b = 100% ) in ve r t e r : w 175.2 163.2 - pb l p o wer c o nsum p t io n 3 vd c 3.3 - 0.0 boo s t br ightness a d just input s i gna l fo r i n vert er c o ntr o l 1 vd c 26.2 24.0 22.8 vb l po w e r supp ly input vo lt age on/o ff off on v d c 5.0 - 2.5 v o n vd c 0.8 0.0 -0. 3 v o f f parameter s y m bol max ty p min notes unit values no t e s : 1 . elec tr ica l cha r ac te r i stics a r e dete r mined afte r the un it has been ?o n ? and s t a b le for app ro xima te ly 120 minutes at 25 2 ? c. the spec ified cur r e n t and powe r consu m p t ion a r e und e r the typ i ca l supp ly input vo ltage 24v and vb r 1 . 65v, it is to ta l powe r consu m p t ion. the r i pp le vo ltage o f the powe r supp ly in put vo ltage is under 0.4 vp -p . lpl reco mmend inp u t vo ltage is 24.0v 5% . 2 . elec tr ica l cha r ac te r i stics a r e dete r mined w i th in 12 0 minu tes at 25 2 ? c. the spec ified cu r r ents a r e under the typ i ca l supply input vo ltag e 24v. 3. brightness control. t h is v br- b voltage control bri ghtn e ss. 4. lpl recommend that the pw m freq. is synch ron i zed w i th the 1.5 ha r m on ic o f vs yn c s igna l of s y s t e m . 5 . the life time is dete r mined as the time wh ich lu minance o f the la mp is 50% co mpa r ed to that o f in itia l va lue a t the typ i ca l/ ma ximu m la mp cu r r en t on condition of continuo us opera t ing a t 25 2 ? c 6 . the du ra tion o f rush cu rr ent is about 10 ms . maximum bright ness (100 %) 100% duty minimum bright ness (20%) 40% duty f unc tion v b r-b f unc tion v b r-b www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 8/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 3-2. interface con n ectio n s t h is l c d modu le e m p l o y s two k i nds of in ter f ace conn ec tion , 51 -p in & 41 -p in con nec tor s a r e used fo r the modu le e l ec tron ic s and 14 -p in connecto r & 12 p i n connec tor a r e used fo r the in te g r a l back light s y s t e m . 3-2-1 . lcd m odule - l cd conne c t o r ( c n1 ) : fi-re51s-hf or equ i va lent, re fe r to be lo w and ne xt page tab l e - m ati n g co n n e c t o r : fi-r e51hl or eq uiv a l e nt t a bl e 3- 1 . module c o nnect or(c n1) pin c o nfigur ati o n - 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 no - po w e r supp ly + 12.0 v po w e r supp ly + 12.0 v po w e r supp ly + 12.0 v po w e r supp ly + 12.0 v n o conne ct ion g r ound g r ound g r ound g r ound g r ound sec ond ch annel e+ sec ond ch annel e- sec ond ch annel d+ sec ond ch annel d- g r ound sec ond c l oc k chann e l clk+ sec ond c l oc k chann e l clk- g r ound sec ond ch annel c+ sec ond ch annel c- sec ond ch annel b+ sec ond ch annel b- sec ond ch annel a+ sec ond ch annel a- g r ound descripti on - v lc d v lc d v lc d v lc d nc gnd gnd gnd gnd gnd re2 p re2n rd2p rd2n gnd rclk 2 p rclk 2 n gnd rc2p rc2n rb2 p rb2n ra2 p ra2n gnd sy m b o l first channe l e+ re1 p 25 first channe l e- re1n 24 first channe l d+ rd1p 23 first channe l d- rd1n 22 g r ound gnd 21 first channe l b+ rb1 p 15 first channe l b- rb1n 14 first channe l a+ ra1 p 13 first channe l a- ra1n 12 g r ound gnd 11 res e rve d nc 2 res e rve d nc 3 res e rve d nc 4 res e rve d nc 5 res e rve d nc 6 h : j eid a / l : v esa lvds s ele c t 7 res e rve d nc 8 res e rve d nc 9 res e rve d nc 10 first channe l c- rc1n 16 first channe l c+ rc1p 17 g r ound gnd 18 first c l ock c h anne l clk- rclk 1 n 19 first c l ock c h anne l clk+ rclk 1 p 20 g r ound gnd 26 descripti on sy m b o l no gnd g r ound 1 n o te : 1 . all g n d ( g r ound) p i ns shou ld be connected together to the lc d modu le ?s me ta l fra m e. 2. all v lc d (po w er inpu t) p i ns shou ld be connected togethe r . 3. all input leve ls of lvds s i gnals are based on the iea 664 stand a r d. 4 . sp ec ific p i ns (p in no . #2~#6 ) a r e used fo r in te rna l data p r oces s of the lc d modu le. if no t used , these p i ns are no connection . 5 . sp ec ific p i n no. #44 is used fo r ? n o s i gna l detec tion ? o f s y s t e m s i gna l in te r f ace. it shou ld be g n d fo r n s b( no signa l black ) dur ing t he s y s t e m in te r f ace s i gna l is no t. if th is p i n is ? h ? , lc d modu le d i sp la ys ag p(au to generation patte r n ) . www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 9/ 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 - l c d connecto r ( c n2 ) : f i -r e41s- h f o r equ i va len t , r e fe r to be low tab l e . - m a t ing con nec tor ( c n2 ) : f i - r e41hl or equ i va lent t a bl e 3- 2 . module c o nnect or(c n2) pin c o nfigur ati o n - 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 no g r ound g r ound fo ur t h chann e l e+ fo ur t h chann e l e- fo ur t h chann e l d+ fo ur t h chann e l d- g r ound fo ur t h c l ock c h anne l clk+ fo ur t h c l ock c h anne l clk- g r ound fo ur t h chann e l c+ fo ur t h chann e l c- fo ur t h chann e l b+ fo ur t h chann e l b- fo ur t h chann e l a+ fo ur t h chann e l a- g r ound g r ound third channe l e+ third channe l e- descripti on gnd gnd re4 p re4n rd4p rd4n gnd rclk 4 p rclk 4 n gnd rc4p rc4n rb4 p rb4n ra4 p ra4n gnd gnd re3 p re3n sy m b o l third channe l d+ rd3p 21 third channe l c+ rc3p 15 third channe l c- rc3n 14 third channe l b+ rb3 p 13 third channe l b- rb3n 12 third channe l a+ ra3 p 11 n o conne ct ion nc 2 n o conne ct ion nc 3 n o conne ct ion nc 4 n o conne ct ion nc 5 n o conne ct ion nc 6 n o conne ct ion nc 7 n o conne ct ion nc 8 g r ound gnd 9 third channe l a- ra3n 10 g r ound gnd 16 third c l ock channe l clk- rclk 3 n 17 third c l ock channe l clk+ rclk 3 p 18 g r ound gnd 19 third channe l d- rd3n 20 descripti on sy m b o l no nc n o conne ct ion 1 n o te : 1 . all g n d ( g r ound) p i ns shou ld be connected together to the lc d modu le ?s me ta l fra m e. c n 1 cn2 #1 #51 #1 #41 #1 #51 #1 #41 -p art/no. cn1 : f i -re 5 1 s -hf(m a n u f a ct ure d by ja e) or e q uival e n t cn2 : f i -re 4 1 s -hf(m a n u f a ct ure d by ja e) or e q uival e n t - m a t ing conn ec to r : cn1 : f i -re 5 1 h l(m a n u f a ct ure d by ja e) or e q uiv a l e n t cn2 : f i -re 4 1 h l(m a n u f a ct ure d by ja e) or e q uiv a l e n t re a r v i e w of lcm www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 10 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 3 - 2 - 2. backlig h t in v e r t e r master -inverter conn e c tor : s14b-ph-smc (manufactured b y jst ) or equivale nt - m ating con n e c tor : phr-14 or equivale nt slave -inverter conn e c tor : s12b-ph-smc (manufactured b y jst ) or equiv a lent -mating co nnec tor : phr-12 or equivale nt tabl e 7. in v e rter c o n n ect o r pi n conf ig u l ation 2 don?t care v br 0.0v ~ 3.3v boost 11 3, open/high f o r b/l on as defau lt don?t care on/off 0.0v ~ 5.0v v on/off 12 5 - gnd power gnd gnd 14 - gnd gnd gnd gnd gnd v bl v bl v bl v bl v bl slav e ex ternal pwm gnd gnd gnd gnd gnd v bl v bl v bl v bl v bl mast er 4 bac k l igh t g r ound gnd 7 bac k l igh t g r ound gnd 8 1 0.0v ~ 3.3v ex t v br - b 13 bac k l igh t g r ound gnd 10 bac k l igh t g r ound gnd 9 bac k l igh t g r ound gnd 6 po w e r su ppl y + 24.0v v bl 5 po w e r su ppl y + 24.0v v bl 4 po w e r su ppl y + 24.0v v bl 3 po w e r su ppl y + 24.0v v bl 2 po w e r su ppl y + 24.0v v bl 1 no t e de s c rip t io n symbol pin no rear view of lcm pcb pcb ? ? 14 1 ? ? 1 12 note : 1. gnd should b e con nected to the l cd mod u le ?s metal frame. 2. minimum brightnes s : boost = 0.0 v maximum brightness : bo ost = 3.3v ?open? : boost = 1.65v 3. rising edge : lamp ?on? / falling edge : lamp ? o ff? 4. pin#13 can be o p e ned. ( if pin #13 is ope n , ext vbr-b is 100% ) 5. pin#14 can be o p e ned. (gnd or nc) 6. each impedance o f p i n #11, 12 and 13 is 13 9 [k ? ? ? www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 11 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 3-3. signal timi n g specificatio n s t a b l e 6 shows the s i gna l timing requ ired at the inpu t of the lvds trans mitte r . all of the in te r f ace s i gna l timing sh o u l d b e sa tisfi e d wit h t h e foll owi n g sp e c ificati o n f o r n o rm al o p era t io n . tabl e 6. timing table for ntsc/ a tsc (de onl y mode) h o r i zonta l ve r t i c a l 1 lines 86 45 10 t vb blank lines 1080 1080 1080 t vv dis p lay pe r i od lines 1166 1125 1090 t vp tot a l tot a l blank dis p lay pe r i od t hp t hb t hv symbol t cl k 680 550 520 1 t cl k 200 70 40 1920/4 t cl k 480 480 480 no t e unit max typ min item f r equency ve r t i c a l h o r i zonta l dc lk f v f h f clk symbol 2 hz 121.2 120 108.2 2 khz 136.4 135 121.8 4por t mhz 75.00 74.25 66.97 no t e unit max typ min item n o te : 1 . the inpu t o f hsyn c & vsyn c s i gna l does no t ha ve an effec t on nor ma l opera t ion ( de on ly mode) . if you use sp rea d spectru m for emi, add so me add itional c l o c k to min i mu m va lue for c l ock ma rg in . 2 . the per fo r m ance o f the e l e c tro - optica l cha r acte r i stic s ma y be in fluenced b y va r i ance o f the ve r t ica l re fr esh ra te and the ho r i zon t a l fr eque nc y. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 12 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 t a b l e 7 shows the s i gna l timing requ ired at the inpu t of the lvds trans mitte r . all of the in te r f ace s i gna l timing sh o u l d b e sa tisfi e d wit h t h e foll owi n g sp e c ificati o n f o r n o rm al o p era t io n . tabl e 7 . t i ming tabl e for dvb/pal (de on ly mo de) h o r i zonta l ve r t i c a l 1 lines 300 270 228 t vb blank lines 1080 1080 1080 t vv dis p lay pe r i od lines 1380 1350 1308 t vp tot a l tot a l blank dis p lay pe r i od t hp t hb t hv symbol t cl k 680 550 520 1 t cl k 200 70 40 1920/4 t cl k 480 480 480 no t e unit max typ min item f r equency ve r t i c a l h o r i zonta l dc lk f v f h f clk symbol 2 hz 103.7 100 90.2 2 khz 140 135 121.8 4por t mhz 75.00 74.25 66.97 no t e unit max typ min item n o te : 1 . the inpu t o f hsyn c & vsyn c s i gna l does no t ha ve an effec t on nor ma l opera t ion ( de on ly mode) . if you use sp rea d spectru m for emi, add so me add itional c l o c k to min i mu m va lue for c l ock ma rg in . 2 . the per fo r m ance o f the e l e c tro - optica l cha r acte r i stic s ma y be in fluenced b y va r i ance o f the ve r t ica l re fr esh ra te and the ho r i zon t a l fr eque nc y. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 13 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 3-4. signal timi ng w a v e forms 0. 7 v dd 0. 3 v dd de, d a t a valid data pixel 0 pixel 4 t clk 0. 5 vdd dclk inv a lid data inv a lid data firs t da ta valid data inv a lid data inv a lid data se c ond da ta pixel 1 pixel 5 pixel 3 pixel 7 t hp t hb p t hv t hfp t vp t wv t vb p t vv t vfp hsy n c vsy nc de(data en a b le) de(data en a b le) t wh * t hb = t hfp + t wh + t hbp * t vb = t vf p + t wv + t vbp * referen c e : sy nc. relatio n valid data inv a lid data inv a lid data thrid da ta pixel 2 pixel 6 valid data inv a lid data inv a lid data forth da ta de(data en a b le) www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 14 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 3-5. color data reference t he b r igh t ness o f each p r ima r y co lo r ( r ed ,green,b l ue ) is based on the 10 -b it g r a y s c a l e data input fo r the co lo r . t he h i ghe r b i na r y input, th e br ighte r the co lo r . tab l e 8 p r o v ides a refe rence fo r colo r ve r s us data input. 8 - b i t opera t ion should be supp lied 8 - d i g i t da ta o f msb. tabl e 8. c o lor data refer e nc e 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 green (000) green 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 green (001) ... ... ... ... 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 green (1019) 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 green (1020~1023) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 red (000) red 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 red (001) ... ... ... ... 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 0 red (1019) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 red (1020~1023) 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blue (001) ... ... ... ... 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blue (1019) 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blue (1020~1023) blue (000) white yellow magenta cyan blue (1023) green (1023) red (1023) black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 basic color 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 blue msb lsb msb ls b green red msb lsb b9 b 8 b 7 b 6 b 5 b4 b 3 b 2 b 1 b 0 g9 g 8 g 7 g 6 g 5 g4 g 3 g 2 g 1 g 0 r9 r 8 r 7 r 6 r 5 r4 r 3 r 2 r 1 r 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blue color input color data www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 15 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 3-6. pow e r seq u ence 3- 6- 1 . on/ o ff for lcm t 1 t 2 t 3 t 4 t 7 10% 90% 90% 10% po we r supp ly f o r lc d v lc d 0v t 5 t 6 v a lid dat a inte r f ace signa l ( t x) 0v t 8 op tion signa l ( l vds _ select) 0v la mp on p o w e r f o r l a m p tabl e 9. p o wer s e q ue nce 5 5 2,6 3,5 4 4 3,5 note - t2 - - s - - 2.0 t6 ms 0 t8 ms 0 t7 ms 3 x (1/f v ) - 0.5 t2 ms ms - - 200 t3 - - 200 t4 ms - - 0 t5 ms 20 - 0.5 t1 max ty p min unit value parameter n o te : 1 . please a v oid floa ting sta t e of in te r f ace s i gnal a t in va lid pe r i od. 2 . when the in ter f ace s i gna l is in va lid, be su re to pull down the powe r supp ly v lcd to 0v. 3 . the case w hen the t2/t 5 e x ceed ma ximu m spec ifica t ion , it ope r a tes p r otec tion pa tt ern( blac k pa tt ern) till valid s i gnal inputt e d. there is no r e liability problem. 4 . the t3/t4 is r e co mmended va lue , the case when fa iled to mee t a min i mu m spec ification, abnor mal display would be shown. there is no reliability proble m. 5 . if the on time o f s i gna ls( i n t e r face and option ) p r ecedes the on time o f powe r ( v lc d ), check t h e lcd logic p o w e r ( vcc ) is under 0. 8v, ot herw ise it w ill be happ ene d abnor mal display. 6. t6 shou ld be measu r ed afte r the modu le h a s been fu lly d i scharged be tween power o f f and on pe riod www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 16 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 3-6-2 . on/ o f f for inv e rte r po w e r suppl y for inv e rte r 24v ( t y p . ) t a b l e 11. po w e r seq u e n ce f o r in v e r t e r 3-6-3 . de e p c ondition for inv e rter v bl ( t yp . ) x0 .8 0 v v bl : 24v t6 v bl (t y p ) x 0.8 ms 10 - - t6 3 ms - - 1000 t7 - ms - - 10 t5 2 ms 0 t4 1 remarks ms - - 500 t2 ms - - 200 t3 ms - - 20 t1 max ty p min units values parameter v on/off boost & extvbr-b v bl 10% 0v 90% t 1 t 2 t 5 t 3 t 2 0.7 v t 4 la mp on t 4 1000 m s ( m in ) 1000 m s ( m in ) 0v 40% t7 n o tes : 1. t1 desc r ibes r i s i ng time of 0v to 24v and is not app lied a t r e s t a r ting time . 2 . t4 (ma x ) is less than t2. 3 . in t7 s e c t ion, ext v br-b shou ld be duty 100 %. 4 . when v bl [ 24v] is supplied alw a y s , t here is no reliability problem. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 17 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 tabl e 1 1 . o p tical ch a racteri s ti cs lcd module opti c a l stag e(x , y ) pr itc h ar d 88 0 or equiv a l e nt 50c m f i g . 1 o p t i cal c h a r acte r is t i c measu reme n t eq u i pme n t a n d met h o d ms 8 5 - - g to g 10 8 - - mprt 7 gray scale 5p y ax is, do w n ( =2 7 0 ) y a x is, up ( =9 0 ) x ax is, left ( = 180 ) x a x is, right( =0 ) - - 89 d - - 89 u - - 89 l 6 degre e - - 89 r vie w in g angl e (cr> 10) whi t e blue green red 0 . 615 gy 0 . 286 gx 0 . 066 by 0 . 143 bx 0 . 292 wy 0 . 279 wx 0 . 343 ry ty p +0 .0 3 0 . 640 ty p -0.03 rx color coord i nates [cie1931] 4,5 ms response t i me 3 1.3 wh i t e lumina n ce va riation 2 cd/m 2 500 400 l wh surface lumin ance, w h ite 1 note unit 1000 700 cr contrast ratio max ty p min value sy m b o l parameter ta = 2 5 2 c , v lcd = 12.0v, f v = 120hz , dclk= 297mhz, v br -a =1.65v, v br -b =3.3v 4. optical specificatio n op tica l charac te r i s t ics a r e dete r mined a f te r the uni t ha s been ?o n ? and stab le in a dar k envir o n m en t at 25 2 c . the va lues spec ified a r e at an app ro xima te d i s t anc e 50c m fr o m the l c d su r f ace a t a vie w ing ang le of and equa l to 0 . it is p r esented additiona l info r m a t ion con c e r n i ng the measu r e m ent equ ip ment and me thod in f i g . 1. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 18 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 n o tes 1 . con t r a s t ratio ( c r ) is de fined ma thema t ica lly as : cr(contras t ratio) = maximum crn (n=1, 2, 3, 4, 5) su r f ace lu minance a t pos ition n w i th a ll wh ite p i xe ls cr n = su r f ace lu minance a t pos ition n w i th a ll b l ac k p i xe ls n = the pos i tion nu mbe r ( 1 , 2, 3, 4 , 5 ) . fo r mo re in fo r m a t ion , see f i g 2. 2 . su rface lu minance are dete r mined afte r the un it has been ?o n ? and 30 min a f te r l igh t ing the backligh t in a dark en viron m ent a t 25 2 c. su r f ace lu minance is the luminance va lue at cente r 1 - poin t ac ro ss the l c d sur f ace 50c m fro m the su r f ace w i th a ll p i xe ls d i sp la ying wh ite. fo r mo re in fo r m ation see the fig . 2. 3. t h e vari ati o n i n su rfa c e l u min a n ce , g w h it e is de fined as : g white(5p) = maximum(l on 1 ,l on 2 , l on3 , l on4 , l on 5 ) / minim u m(l on 1 ,l on2 , l on 3 , l on 4 , l on 5 ) where l on 1 to l on 5 a r e the lu minance w i th a l l p i xe ls d i sp laying wh ite a t 5 loca tions . f o r more i n f o rm ati o n, se e t h e fi g. 2 . 4 . response time is the time requ ir ed fo r the d i sp la y to trans ition fro m g ( n ) to g ( m) ( r ise t i me , t r r ) and fr o m g ( m) to g ( n ) ( d eca y t i me , t r d ) . fo r additiona l in for m a t ion se e the fig. 3 . (n < m ) 5 . mpr t is de fined as the 10% to 90% b l u r -edge w i d t h bij( p i xe ls ) and s c r o ll speed u ( p i xe ls /fra m e ) a t the mo ving p i c t u r e . fo r mo re in for m a t ion, see f i g 4 . 6 . view ing angle is the ang le a t w h ich the contr a s t ra tio is gr eate r than 10 . the angles a r e dete r mined fo r the ho r i zo n t a l o r x a x is and the ve r t ica l o r y a x is w i th re spect to the z a x is w h ich is n o rm al t o t h e lcd surf a c e. f o r more inf o rm ati o n, se e f i g 5. 7 . g r ay s c a l e spec ific ation ga mma va lue is appro x im a t e l y 2.2 . fo r mo re in fo r m ation , see tab l e 12. tabl e 1 2 . g ray scale sp ecificat ion 10b it l1023 l959 l895 l831 l767 l703 l639 l575 l511 l447 l383 l319 l255 l191 l127 l63 l0 86.7 100 35.4 43.7 53.0 63.2 16.1 21.6 28.1 74.5 2.50 4.69 7.66 11.5 1.06 0.29 0.10 lu m i nan ce [%] (ty p ) [ n o rmal ] g r ay le ve l www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 19 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 measu r ing po in t fo r su r f ace lu minance & measu r ing p o in t fo r lu minance va r i ation h a v b a : h / 4 mm b : v / 4 mm @ h,v : a c ti v e a r ea f i g . 2 measure poin t f o r l u m in a n ce r e sponse time is defined a s the fo llo w ing figure and sh a ll be measu r ed b y s w itch ing the input s i gna l fo r ? g ray( n ) ? a n d ?gray( m) ? . gray(m) gray(n) t r r t r d 100 90 10 0 opti c a l r esp o n se n,m = bl ack~whit e, n product specification 20 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 mpr t is de fined as the 1 0 % to 90% b l u r -edge w i th b ij ( p ixe l s ) and sc ro ll speed u ( p i xe ls /frame ) a t the moving pict ure. fig. 5 vi e w i ng angl e d i men s ion o f vie w ing ang le r ange normal y e = 0 , right = 180 , left = 270 , down = 90 , up fig. 4 mprt l j l i 90% 10% ex ampl e) bij = 1 2 p ix els, u = 1 0 p ix els / 1 2 0 h z m = 12p ixe l s / (10p ixe l s / 120h z ) = 12p ixe l s / {10p ixe l s / (1 /120 )s } = 12 / 1 , 200 s = 10 ms www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 21 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 5. mechani cal characteristics t he fo llo w ing ite m s p r o v ide genera l mechan ica l cha r a c te r i s t ics . in add ition the figu res in the ne xt page are deta iled me chan ica l d r aw ing o f the lc d modu le. tabl e 1 3 . mechani cal charact e r istic s 523.26mm vertical hard coating( 3h) anti-glare tre a tment of the front polar izer ( h aze 13 %) surface t r eatment 11.5 kg (t y p .) , 12.5kg (max. ) w e ight 531.0mm vertical 576.0 mm vertical 51.0 mm depth 930.24mm horizo ntal active display area 939.0mm horizo ntal bezel area 983.0 mm horizo ntal outline dim en sion n o te : please r e fe r to a mechan ic d r aw ing in te r m s o f to le rance a t the next page. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 22 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 23 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 < r ea r vi e w > www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 24 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 6. reliability tabl e 1 4 . e n vironment test condition t a = 40 c, 90%rh, 240 h humid i t y co ndi tion operatio n 7 0 - 14,000 feet( 4267.2m) 0 - 40,000 feet( 1219 2m) altitude op erating storage / shipme n t 8 shock level : 50grms waveform : half sine w a ve, 11ms directio n : x, y, z one time each dir e c t ion shock test (non-o perati n g ) 6 w a ve form : ra ndom vibratio n leve l : 1.0grms band w i dth : 10 -300hz duration : x , y,z, 30 min one time each dir e c t ion vibratio n test (non-o perati n g ) 5 ta = 0 c 240h lo w temper atu r e operati on te st 4 ta = 5 0 c 50%rh 240h high temp erat ure oper ation t e st 3 ta = - 2 0 c 240 h lo w temper atu r e storage test 2 ta = 6 0 c 240h high temp erat ure storage tes t 1 cond ition t e st item no. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 25 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 7. international standards 7-1. safety a ) ul 6006 5, 7 th ed ition , dated june 30, 2003, underw r ite r s lab ora t or ies , inc . , standard for aud i o , video and simila r ele c tron ic app a ratus . b ) can / csa c 22.2 , no . 60 065:03, cana d i an stand a r ds assoc i a t ion , standard for aud i o , video and simila r ele c tron ic app a ratus . c ) iec600 65:2001, 7 th ed ition cb- sche m e and en 600 65:2002, sa fety r equir e ments fo r aud i o, video and simila r elec tron ic appa r a tus . . 7-2. emc a ) an si c63 . 4 ? m e t hods o f measu r e m ent o f rad i o - n o ise emis s i ons fro m lo w - vo ltage elec tr ica l and elec tr ica l equ i p m en t in th e rang e o f 9k h z to 40g h z . ? a me r i can nationa l standards ins t itute ( ansi) , 1992 b ) c i s p r 2 2 ? l i m i t s and methods o f measu r e m en t o f rad i o inte r f ace charac te r i s t ics o f in for m a t io n t e chno logy equ i p m ent.? in te rnationa l spec ia l co mmittee on rad i o in ter f e r ence. c ) en 55022 ? l imits and me thods of measu r e m en t o f rad i o in te r f ace charac te r i s t ics o f in for m a t io n t e chno logy equ i p m ent.? eu ropea n co mmittee fo r elec tro t echn ica l standard i zation.( c enelec ) , 1998 ( inc l ud ing a1: 2000 ) www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 26 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 8. packing 8-1. d esignatio n of l o t mark a ) lot ma r k ab c d e f g h i j k l m a,b, c : size( i nch) d : ye ar e : m o n t h f : pan e l code g : fac t ory code h : a s s e mb ly code i,j , k , l ,m : se ria l no. no t e 1. y ear mark year 0 2010 6 2006 7 2007 8 2008 9 2009 4 2004 5 2005 3 2 1 2003 2002 2001 2. month b nov mark month a oct 6 jun 7 jul 8 aug 9 sep 4 apr 5 may c 4 2 1 dec mar fe b jan b ) location of lot ma r k se r i a l no . is p r in ted on the labe l. the labe l is a t tache d to the backs ide o f the l c d modu le. t h is is sub j ect to change w i thout pr io r notic e. 8-2. packin g f o rm a ) pac k age q uantity in one bo x : 12 pcs b) b o x size : 1150mm (w) x 1020mm(d) x 810mm(h) www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 27 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 9. precautio n s please pay at tention t o t he follow ings when y o u use t h is tft lc d m odule. 9-1. mount ing prec autions ( 1 ) you mus t mount a modu le us ing ho les a r ranged in four co rners or fou r s i des . ( 2 ) you should cons ide r the mounting s t r u c t u r e so that une ven fo rce (e x. t w is ted s t ress ) is no t app lied to t h e modu le . and the case on w h ich a modu le is moun ted shou ld have su ffic ien t s t rength so that e x te rnal fo rce is not trans mitted d i rec t ly to the modu le. ( 3 ) please a ttach the su r f a c e transparent p r o t ec tive p l a t e to the su rface in orde r to pro t ec t the po la r i ze r. t r anspa re n t p r o t ec tive p l a t e should ha ve suffic i ent s t rength in or de r to the res i s t e x te rnal fo rce . ( 4 ) you should ado pt rad i ation s t ruc t u r e to satis f y the te mpe r atu r e spec ification. ( 5 ) acetic ac id type and ch lo r i ne type ma te r i a l s fo r the co ve r case a r e not des irab le beca u se the fo r m e r generates co rr os ive gas o f a ttac k i ng the po la r i ze r at h i gh te mpe r a t u r e and the latte r causes c i r c u i t b r eak by el e c tro-ch emical re a c ti o n . ( 6 ) do not touch , push o r r u b the e x posed pola r izer s w i th g l ass, tweeze r s o r an yth i ng ha rde r than hb penc il lead . and p l ease do not rub w i th dust c l o t hes w i th che m ica l tr ea tment. do not to uch the su r f a c e of po la r i ze r fo r bare h and o r g r easy c l o t h.( s o m e cos m e t ics a r e detr imenta l to the polar i z e r . ) ( 7 ) when the su rface beco m e s dus ty, p l ease w i pe ge n t ly w i th abso r bent cotton o r othe r soft ma ter i a l s like cha m o i s soak s w i th petroleu m benz ine. n o r m a l - h e x ane is re co mmended fo r c l eaning the adhes ive s used to a ttach front / rea r po la r i ze rs . d o not use ace t one, to luene and a l coho l because the y cause che m ica l da mage to the p o la r i ze r . ( 8 ) w i p e off sa liva o r wa ter d r ops a s soon as p o ss ib le . the i r long time contac t w i th p o la r i ze r causes defo r ma tions and co lo r fad i ng. ( 9 ) do no t open the case because in s i de c i r c u i ts do no t ha ve su ffic i en t s t rength. 9-2. operatin g precauti o ns ( 1 ) the sp ike no ise causes the mis - ope ration of c i r c u i ts. it should be lo we r than fo llo w i ng vo ltage : v= 200 mv(o ve r and und e r shoot vo ltage ) ( 2 ) response time depen d s on the te mpe r atu r e . ( i n low e r te mpe r a t u r e, it beco m es longer .) ( 3 ) br ightness depen ds on the te mpe r atu r e. ( i n lo we r te mpe r atu r e , it beco m e s low e r . ) and in lo we r te mpe r atu r e , re sponse time ( r equ ired time tha t b r igh t ness is s t ab le afte r tu rned on ) beco m e s longer . ( 4 ) be ca re fu l fo r conde nsa t ion at sudde n te mpe r a t u r e chang e. condensation makes da mage to pola r ize r or elec tr ical cont ac t ed parts . a nd aft e r f a di ng conde nsation, s m ear o r spot w ill occur . ( 5 ) when fixed patterns a r e d i sp la yed for a l ong time , re mnant imag e is like l y to oc cu r. ( 6 ) modu le has h i gh frequenc y c i r c u i ts . suffic i en t su pp ress ion to the e l ec tro m agnetic in te r f e r ence sha ll be done by s y s t e m manufac tu re rs . g r oun d i ng and sh ie ld ing me tho d s ma y be impo r t ant to min i miz e d th e in te r f e r ence. ( 7 ) please do not g i ve any me chanica l and/o r acous tica l impac t to l c m. o t he r w is e, l c m can ? t be operated its f u ll charact e ristics perfectly. ( 8 ) a sc re w wh ich is fastened up the s t e e ls should be a mach ine scr e w . ( i f not, it causes met a llic f o reign mat e r i al and deal lc m a f at al blow ) ( 9 ) p lease do not se t l c d on its edg e. ( 1 0 ) it is recomme nded to a v o i d the s i gna l cab l e and conductive mate r i a l o v e r the in ve r t e r transfo r m e r fo r it ca n cause the abnor ma l d i sp la y and te mpe r a t u r e r i s i ng . www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 28 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 9-3. electrostatic discharge control since a module is co mposed of e l ec tron ic c i r c u i ts , it is not strong to e l ec tros ta tic d i scharge . make ce r t a i n tha t tr eatment persons a r e con nec ted to g r ound th roug h w r is t band e t c. and don ?t touch in ter f ace p i n d i rec t ly. 9 - 4 . p r e c a u tions for s t rong light e x posure strong ligh t exposu r e causes degradation of po la r i ze r and co lo r filter . 9-5. storage w hen sto r ing modu les as spa r es fo r a long time , the fo llo w ing p r ecautions a r e n e cessa r y . (1) st ore t h e m in a d a rk pl a c e. do n o t e x p o s e t h e m o d u l e t o su nli g ht or fl u o re sce n t lig h t. k e e p t h e t e m p era t ure between 5 c and 35 c a t no r m a l humid ity. ( 2 ) the po la r i ze r su r f ace shou ld not come in con t act w i th any o t he r ob jec t . it is re co mmended that the y be s t o r ed in the conta i ne r in wh ich the y we re sh ipped. 9-6. h a ndl i n g precautio n s for protection film ( 1 ) the p r o t e c tion film is a t tached to the beze l w i th a sma ll ma sk ing tape . when the protec tion film is peeled o ff, s t atic el ec tric ity is generated betw een the film and polar i zer . th is shou ld be peeled o f f s l o w ly an d ca re fu lly b y people who a r e e l ec tr ica lly g r ounded a nd w i th we ll ion- b l o w n equ ip ment o r in such a cond ition , e t c . ( 2 ) when the modu le w i th p r otec tion film a t tached is s t o r ed fo r a long time , some times the r e re ma ins a ve ry s m all amount of glue s t ill on t h e bezel af t e r t he prot ec tion film is peeled off. ( 3 ) you can r e mo ve the g l ue eas ily. w hen the g l ue rema in s on the beze l su r f ace o r its ves t ige is r e cogn ize d , p l ease w i pe the m off w i th absorbent co tton was t e or o t he r so ft ma ter i a l like ch a m o i s soaked w i th nor ma l- he xane. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 29 / 29 lc420wu4 liquid crystal display ver. 1.0 aug.21, 2007 # appendix- i option pin circuit block diagram circuit block diagra m of lvds forma t selec t ion pi n as i c (tcon) 57 k ? sy ste m side lcm si de selector (pin #7 ) selector 240 k ? 3.3v 4. 7 k ? www.datasheet.co.kr datasheet pdf - http://www..net/

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