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product specification 1 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 specification for approval 4.0 (320 x rgb x 240 ) tft C lcd title model buyer lb040q02 model td05 suffix lg display co., ltd. supplier please return 1 copy for your confirmation with your signature and comments. / / / date date date date signature signature signature signature products engineering dept. products engineering dept. products engineering dept. products engineering dept. lg display co., ltd lg display co., ltd lg display co., ltd lg display co., ltd prepared by prepared by prepared by prepared by prepared by prepared by prepared by prepared by reviewed by reviewed by reviewed by reviewed by date date date date signature signature signature signature ) ) ( ( final specification final specification final specification final specification preliminary specification preliminary specification preliminary specification preliminary specification s. d. jung / g.manager j. y. kim/ manager b. h. kim / project leader www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 2 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 contents 13 power sequence 5-6 4 summary 1 4 features 2 24 precautions 11 12 7 interface connections 5-2 color input data refernece 5-5 23 designation of lot mark 10-1 23 packing form 10-2 23 packing 10 22 emc 9-2 1 cover 2 contents 3 record of revisions 5 general specification 3 5 absolute maximum ratings 4 6 electrical specifications 5 6 electrical charactreistics 5-1 10 signal timing specifications 5-3 11 signal timing waveforms 5-4 13 vcc power dip condition 5-7 14 optical sfecifications 6 18 mechanical characteristics 7 21 reliablity 8 22 international standards 9 22 safety 9-1 page item no www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 3 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 record of revisions note correct the tolerance of thickness 18 added values of dclk parameters 10 added values of operating voltage with ma rms unit 6 june.13.2008 1.1 final version may.19.2008 1.0 description page revision date revision no www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 4 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 1. summary this module utilizes amorphous silicon thin film tr ansistors. a 4.0 active matrix liquid crystal displ ay allows full color to be displayed. the applications are car navigation system, amuseme nt and others. 2. features ?the 4.0 screen produces a high resolution image th at is composed of 76,800 pixel elements in a stripe arrangement. ? wide viewing angle technology is employed. [the most suitable viewing direction is in the 6 o clock direction.] ? by adopting an active matrix drive, a picture with high contrast is realized. ? a thin, light and compact module is accomplished t hrough the use of cog mounting technology. ? by adopting a high aperture panel, high transmitta nce color filter and high transmission polarizing p lates, transmittance ratio is realized. ? gray scale or the brightness of the sub-pixel colo r is determined with a 6-bit gray scale signal. input connector input connector input connector input connector power supply power supply power supply power supply timing controller timing controller timing controller timing controller source drive circuit source drive circuit source drive circuit source drive circuit tft tfttft tft- -- -lcd lcdlcd lcd (320 x 3 x 240) (320 x 3 x 240) (320 x 3 x 240) (320 x 3 x 240) gate gate gate gate drive drive drive drive circuit circuit circuit circuit power power power power (v (v(v (v dd dddd dd ,gnd) ,gnd) ,gnd) ,gnd) g1 g1g1 g1 g2 g2 g2 g2 g239 g239 g239 g239 g240 g240 g240 g240 s1 s1s1 s1 s2 s2s2 s2 s959 s959 s959 s959 s960 s960 s960 s960 lamp lamp lamp lamp v vv v bl blbl bl gnd gndgnd gnd cn2 cn2cn2 cn2 cn1 cn1cn1 cn1 www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 5 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 3. general specification 2.86 watt(typ) power consumption 320(h) x 3(r,g,b) x 240(v) number of dots digital interface (cmos ttl ) signal interface 4.0 ( 102 mm) screen size (diagonal) 0.085mm(h) rgb 0.255mm(v) pixel pitch top : wv-ea, ag bottom : wv-ea, ag surface treatment ccfl ( l type, 1ea) backlight 110 g(typ) weight rgb vertical stripes color filter array 6 bit, 262,144 colors color depth 81.6mm (h) x 61.2mm (v) active area 98.4mm (h) x 78.0mm (v) x 10.4mm (d) outline dimension normally white, transmitting type display mode specification specification specification specification characteristic item characteristic item characteristic item characteristic item 4. absolute maximum ratings the following are maximum values which, if exceeded , may cause faulty operation or damage to the unit. table 1. absolute maximum ratings units 4-1,2 c 85 -40 t st storage temperature 4-1,2,3 c 85 -30 t op operating temperature at 25 5 c vdc vcc + 0.3 -0.3 vcc power input voltage max min parameter notes values symbol [note 4-1] this rating applies to all parts of the module and should not be exceeded. [note 4-2] maximum wet-bulb temperature is 60 . condensation of dew must be avoided as electrical current leaks will occur, causing a degradation of performance specifications. [note 4-3] the operating temperature only guarantee s operation of the circuit and doesnt guarantee all the contents of electro-optical specification. [note 4-4] this module must be grounded between lcm and system. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 6 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 5. electrical specifications 5-1. electrical characteristics the lb040q02 requires two power inputs. one is emp loyed to power the lcd electronics and to drive the tft array and liquid crystal. the second input whic h powers the ccfl, is typically generated by an inverter. the inverter is an external unit to the l cd. table 2. electrical characteristics kick-off voltage (*4) *2 khz 80 60 35 f bl operating frequency at i bl =typ watt 2.57 2.34 - p bl power consumption t a = 0 v rms 1260 - - t a =25 v rms 980 - - vs 10[%] v rms 510 (3.0ma rms) ) 390 (6.0ma rms) ) 370 (6.5ma rms) ) v bl operating voltage ma rms 6.5 6.0 3.0 i bl operating current lamp : *1 watt 0.65 - pc power consumption vdc 3.6 3.3 3.0 vcc power supply input voltage *1 ma 195 160 - i cc power supply input current *6 hrs - - 20,000 life time module : parameter symbol max typ min notes unit values note) the design of the inverter must have specifications for the lamp in lcd assembly. the performance of the lamp in lcm, for example life time or bright ness, is extremely influenced by the characteristi cs of the dc-ac inverter. so all the parameters of an inverte r should be carefully designed so as not to produce too much leakage current from high-voltage output of th e inverter. when you design or order the inverter, please make sure unwanted lighting caused by the mismatch of the lamp and the inverter(no lighting, flicker, etc) never occurs. when you confirm it, the lcd assembly should be operated in the same condition as instal led in your instrument. * 1. vcc=3.3v, 25 c , f v (frame frequency) = 60hz condition, whereas mosaic pattern(typ),full black pattern(max) is displayed. [ldo output voltage(3.3 v) is applied.] * 2. this frequency range means the range to keep w ithin 10% change of electrical and optical characteristics. * 3. this frequency range means not affecting to la mp life and reliability characteristics. (the lamp frequency should be selected as different as possible from display horizontal synchronous signal (including harmonic frequency of this scanning frequency) to avoid beat interference which may be observed on the screen as horizontal stripes like moving wave. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 7 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 . 5-2. interface connections this lcd employs two interface connections, a 40 pi n connector is used for the module electronics inte rface and the other connectors is used for the integral b acklight system. the electronics interface connector is a model f100 -s40b-c25 manufactured by uju * asymmetry rate: ( i p C i Cp |) / i rms * 100% ?distortion rate: i p ( or i Cp ) / i rms requirements for a system inverter design, which is intended to have a better display performance, a better power efficiency and a more reliable lamp, a re as follows. it shall help increase the lamp life time and reduce leakage current. inverter should be desi gned to be subject to the conditions below a. the asymmetry rate of the inverter waveform shou ld be less than 10%. b. the distortion rate of the waveform should be wi thin 2 10%. * inverter output waveform had better be more simil ar to ideal sine wave. c. there should not be any spikes in the waveform. d. lamp current should not exceed the max value un der the operating temperature (it is prohibited to exceed the max. value even if it is operated in the guaranteed temperature). when lamp current exceed the maximum value for a lo ng time, it may cause a smoking and ignition. therefore, it is recommended that the inverter have the current limited circuit that is used as a protection circuit and/or the lamp current-controll ed inverter. ? do not attaches a conducting tape to lamp connectin g wire. if the lamp wire attach to a conducting tape, tft-l cd module has a low luminance and the inverter has abnormal action. because leakage current is occ urred between lamp wire and conducting tape. i p i -p . this phenomenon is caused by interference between l amp (ccfl) lighting frequency and lcd horizontal synchronous signal.) * 4. the max of kick-off voltage means the minim um voltage for inverter to turn on the ccfl normally in the lcd module. however this isnt the values that we can assure stability of starting lamp on condition that the module is insta lled in your set. it should be careful that kick-off voltage is chan ged by an increase of stray capacitance in your set, inverter method, value of ballast capacit or in your inverter and so on. especially, the value of kick-off voltage is highe r in low temperature condition than in normal temperature condition, because impedance of ccfl is increased. the voltage above v s should be applied to the lamps for more than 1 seco nd for start-up. otherwise, the lamps may not be turned on. the used lamp current is the lamp typical current. * 5. the time needed to achieve not less than 95%b rightness of the center part of lamp. the brightness of the lamp after being lighted for 5 minutes is defined as 100%. * 6. life time is defined as the time that the la mp brightness decreases to 50% from original bright ness at i bl =typ; continuous lighting, t a =25 . www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 8 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 table 3. module connector pin configuration (cn1) pin name description comment 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 gnd clk gnd gnd r0 r1 r2 r3 r4 r5 gnd gnd g0 g1 g2 g3 g4 g5 gnd gnd b0 b1 b2 b3 b4 b5 gnd gnd hsync de vsync gnd gnd nc hvr gnd vcc vcc vcc tc ground main clock ground ground red data (lsb) red data red data red data red data red data (msb) ground ground green data (lsb) green data green data green data green data green data (msb) gnd gnd blue data (lsb) blue data blue data blue data blue data blue data (msb) gnd gnd horizontal sync signal data enable vertical sync signal gnd gnd not connect horzontal, vertical revers gnd main power (3.3v) main power (3.3v) main power (3.3v) temp sensor [note 3-1] [note 3-1] [note 3-2] [note 3-1] hsync : positive vsync : positive [note 3-2] low : regular video high : horizontally and vertically inverted video www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 9 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 the backlight interface connector is a model bhsr-02vs-1 manufactured by jst or a compatible model manufactured by amp. the matching connector part nu mber is sm02b-bhss-1-tb manufactured by jst or equivalent. 1. the wire color of high voltage side is pink. 2. the wire color of low voltage side is white. con nect the low voltage side of the dc/ac inverter used to drive the fluorescent tube to gnd of the inverter circuit. 2 power supply for lamp [low voltage side] lv 2 1 remark remark remark remark power supply for lamp [high voltage side] hv 1 function function function function symbol symbol symbol symbol pin no. pin no. pin no. pin no. table 4. backlight connector pin configuration www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 10 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 5-3. signal timing specifications table 5. timing table ns 29 t wcl low level width ns 29 t wch high level width ns 200 158.7 147.1 t clk period line for hsync line 330 263 249 t vp period vsync 30 7 2 t wv sync_width line 30 10 5 t vbp back porch 30 6 2 t vfp front porch line - 240 - t vde active data t clk 320 320 320 t hde horizontal display period de 240 240 240 t vde vertical display period t clk 440 400 380 t hp period hsync 40 30 20 t wh sync_width t clk 40 25 20 t hbp back porch 40 25 20 t hfp front porch t clk - 320 - t hde active data mhz 6.8 6.3 5 f clk frequency dclk symbol min. typ. max. unit note item logic high : 0.7 x vcc logic high : 0.7 x vcc logic high : 0.7 x vcc logic high : 0.7 x vcc logic low : 0.3 x vcc logic low : 0.3 x vcc logic low : 0.3 x vcc logic low : 0.3 x vcc www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 11 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 5-4. signal timing waveforms = 3.3v] = 3.3v] = 3.3v] = 3.3v] [ v vv v dd dddd dd t hr ,t vr t ir ,t dr vsync de de hsync dclk dclk, hsync, vsync, de, data t clkl t clk t wch t wcl 0.7v cc 0.5v cc 0.3v cc t wh t hp t hfp t hbp t vp t wv t vbp t vfp t hf ,t vf t if ,t df t hde t vde data latch on falling edge of dclk t fclk t rcl k www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 12 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 5-5. color input data reference the brightness of each primary color (red,green and blue) is based on the 6-bit gray scale data input for the color ; the higher the binary input, the brighter t he color. the table below provides a reference for color versus data input. table 6. color data reference 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 green (00) green 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 green (01) ... 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 green (62) 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 green (63) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 red (00) red 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 red (01) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 red (62) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 red (63) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 blue (01) 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 blue (62) 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 blue (63) blue (00) white yellow magenta cyan blue green red black 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 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 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 blue msb lsb green msb lsb red msb lsb b 5 b 4 b 3 b 2 b 1 b 0 g 5 g 4 g 3 g 2 g 1 g 0 r 5 r 4 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 blue color input color data www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 13 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 5-6. power sequence note) 1. please avoid floating state of interface signal at invalid period. 2. when the interface signal is invalid, be sure to pull down the power supply for lcd vcc to 0v. (s) - - 2 t 7 (ms) 10 - 0 t 6 (ms) 50 - 0 t 5 (ms) - - 200 t 4 (ms) - - 200 t 3 (ms) 50 - 0 t 2 (ms) 10 - - t 1 max. typ. min. units value parameter table 7. power sequence table interface signal (tx) power for lamp power supply for lcd ( vcc) valid data 10% 10% 10% 10% 90% 90% 0v 0v t7 t6 t5 t2 t1 on off off t3 t4 5.7 vcc power dip condition vcc ground td 1.65 2.9 5.7.1 dip condition 1.65 vcc 2.9 , td 20ms 5.7.2 vcc 1.65v vcc-dip conditions should also follow the power on/ off condition for supply voltage www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 14 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 6. optical specification fig. 1 optical characteristic measurement equipment and method table 8. optical characteristics ta=25 c, vcc=3.3v, f v =60hz, dclk= 6.3mhz, i l =6.0ma 5 (cr 10) viewing angle color coordinates 4 response time 0.176 0.146 0.116 by 0.343 0.313 0.283 wx white y axis, down ( =270 ) y axis, up ( =90 ) x axis, left ( =180 ) x axis, right( =0 ) degree - 70 60 r degree - 70 60 l degree - 50 40 u degree - 60 50 d blue 0.359 0.329 0.299 wy green red decay time rise time 0.357 0.327 0.297 gx 0.572 0.542 0.512 gy - 0.626 0.596 0.566 rx 0.377 0.347 0.317 ry ms 45 30 - tr d 3 - 1.40 1.20 - white luminance variation 0.191 0.161 0.131 bx ms 20 10 - tr r max typ min 1 - - 400 280 cr contrast ratio 2 cd/m 2 - 450 360 l wh surface luminance, white parameter symbo l notes units values lcd module optical stage(x,y) pritchard 880 or equivalent 50cm optical characteristics are determined after the un it has been on and stable for approximately 30 min utes in a dark environment at 25 c . the values specified are at an approximate distan ce 50cm from the lcd surface at a viewing angle of and equal to 0 . fig. 1 presents additional information concerning t he measurement equipment and method. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 15 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 note) 1. contrast ratio(cr) is defined mathematically as surface luminance with all white pixels contrast ratio = surface luminance with all black pixels 2. surface luminance is the center point across the lcd surface 50cm from the surface with all pixels displaying white. for more information see fig 1. 3. the variation in surface luminance , the panel t otal variation ( white ) is determined by measuring l n at each test position 1 through 5, and then dividin g the maximum l n of 5 points luminance by minimum l n of 5 points luminance. for more information see fi g 2. white = maximum(l 1 ,l 2 , l 5 ) / minimum(l 1 ,l 2 , l 5 ) 4. response time is the time required for the displ ay to transition from white to black (rise time, tr r ) and from black to white(decay time, tr d ). for additional information see fig 3. 5. viewing angle is the angle at which the contrast ratio is greater than 5. the angles are d e t e r m i n e d for the horizontal or x axis and the vertical or y axis with respect to the z axis which is normal to the lcd surface. for more information see fig 4. 100 l63 73.5 l55 9.0 l23 19.0 l31 29.0 l39 45.0 l47 3.5 l15 0.5 l7 0.15 l0 luminance [%] (typ) gray level 6. gray scale specification * f v =60hz www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 16 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 fig. 3 response time the response time is defined as the following figur e and shall be measured by switching the input sign al for black and white. tr r tr d 100 90 10 0 % optical response white black white fig. 2 luminance h v v/4 h,v : active area l4 l5 l1 l2 l3 center point v/2 h/4 h/2 www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 17 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 fig. 4 viewing angle z yd xr = 0? z = 90? (12:00) yu = 0? (3:00) = 180? (9:00) xl = 270? (6:00) tft lcd module www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 18 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 7. mechanical characteristics the contents provide general mechanical characteris tics for the model lb040q02. in addition the figure s in the next page are detailed mechanical drawing of the lcd. 61.2 mm vertical 110g (typ), 120g(max) weight 78.0 ( 0.3)mm vertical 10.4 ( 0.5)mm depth 81.6 mm horizontal active display area 98.4 ( 0.3)mm horizontal outline dimension www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 19 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 note) unit:[mm], general tolerance: 0.5mm www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 20 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 note) unit:[mm], general tolerance: 0.5mm www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 21 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 8. reliability -30(0.5h) ~ 85(0.5h) / 100 cycles sine no operation 10~500~10hz, 0.37oct/min, 1.5g x/y/z direction, per 1h no operation, 180g, 2msec, half sine x, y, z per 1time -panel surface/top_case : 150pf 15kv 150? (direct discharge, five times) -fpc input terminal : 100pf 200v 0? ta=65 90%rh 240h ta=-30 240h tp=85 240h ta=-40 240h ta=85 240h test condition 1 1 1 1 1 1 remark high temperature and high humidity operation test 5 thermal shock test 9 vibration test (non-operating) 8 shock test (non-operating) 7 electro static discharge test 6 low temperature operation test 4 high temperature operation test 3 low temperature storage test 2 high temperature storage test 1 test items no. ***** t a = ambient temperature, tp = panel surface tempera ture. { result evaluation criteria } 1. evaluation should be tested after storage at roo m temperature for 24 hours. 2. there should be no change which might affect the practical display function when the display quality test is conducted under normal operating co ndition. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 22 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 9. international standards 9-1. safety a) ul 60950, third edition, underwriters laboratori es, inc., dated dec. 11, 2000. standard for safety of information technology equip ment, including electrical business equipment. b) can/csa c22.2, no. 60950, third edition, canadia n standards association, dec. 1, 2000. standard for safety of information technology equip ment, including electrical business equipment. c) en 60950 : 2000, third edition iec 60950 : 1999, third edition european committee for electro technical standardiz ation(cenelec) european standard for safety of information technol ogy equipment including electrical business equipment. 9-2. emc a) ansi c63.4 methods of measurement of radio-nois e emissions from low-voltage electrical and electrical equipment in the range of 9khz to 40ghz. american national standards institute(ansi), 1992 b) c.i.s.p.r limits and methods of measurement of radio interface characteristics of information technology equipment. international special committ ee on radio interference. c) en 55022 limits and methods of measurement of r adio interface characteristics of information technology equipment. european committee for electr o technical standardization.(cenelec), 1998 ( including a1: 2000 ) www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 23 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 10-2. packing form a) package quantity in one box : 132 pcs b) box size : 475 x 348 x 341 (mm) 10. packing 10-1. designation of lot mark a) lot mark a b c d e f g h i j k l m a,b,c : size(inch) d : year e : month f ~ m : serial no. note 1. year 2. month mark year 0 2010 6 2006 7 2007 8 2008 9 2009 4 2004 5 2005 3 2 1 2003 2002 2001 b nov mark month a oct 6 jun 7 jul 8 aug 9 sep 4 apr 5 may c 3 2 1 dec mar feb jan b) location of lot mark serial no. is printed on the label. the label is at tached to the backside of the lcd module. this is subject to change without prior notice. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 24 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 11. precautions please pay attention to the following when you use this tft lcd module. 11-1. mounting precautions (1) you must mount a module using holes arranged in four corners or four sides. (2) you should consider the mounting structure so t hat uneven force(ex. twisted stress) is not applied to the module. and the case on which a module is mounted should ha ve sufficient strength so that external force is not transmitted directly to the module. (3) please attach a transparent protective plate to the surface in order to protect the polarizer. transparent protective plate should have sufficient strength in order to the resist external force. (4) you should adopt radiation structure to satisfy the temperature specification. (5) acetic acid type and chlorine type materials fo r the cover case are not desirable because the form er generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro-chemical reaction. (6) do not touch, push or rub the exposed polarizer s with glass, tweezers or anything harder than hb pencil lead. and please do not rub with dust clothe s with chemical treatment. do not touch the surface of polarizer for bare hand or greasy cloth.(some cosmetics deteriorate the polarizer.) (7) when the surface becomes dusty, please wipe gen tly with absorbent cotton or other soft materials like chamois soaks with petroleum benzene. normal-h exane is recommended for cleaning the adhesives used to attach front / rear polarizers. d o not use acetone, toluene and alcohol because they cause chemical damage to the polarizer. (8) wipe off saliva or water drops as soon as possi ble. their long time contact with polarizer causes deformations and color fading. (9) do not open the case because inside circuits do not have sufficient strength. (10) the metal case of a module should be contacted to electrical ground of your system. 11-2. operating precautions (1) the spike noise causes the mis-operation of cir cuits. it should be lower than following voltage : v= 200mv(over and under shoot voltage) (2) response time depends on the temperature.(in lo wer temperature, it becomes longer.) (3) brightness depends on the temperature. (in lowe r temperature, it becomes lower.) and in lower temperature, response time(required ti me that brightness is stable after turned on) becomes longer. (4) be careful for condensation at sudden temperatu re change. condensation makes damage to polarizer or electrical contacted parts. and after fading condensation, smear or spot will occur. (5) when fixed patterns are displayed for a long ti me, remnant image is likely to occur. (6) module has high frequency circuits. sufficient suppression to the electromagnetic interference shall be done by system manufacturers. grounding an d shielding methods may be important to minimized the interference. www.datasheet.co.kr datasheet pdf - http://www..net/
product specification 25 / 25 lb040q02 liquid crystal display ver. 1.1 june.13.2008 since a module is composed of electronic circuits, it is not strong to electrostatic discharge. make c ertain that treatment persons are connected to ground thro ugh wrist band etc. and dont touch interface pin d irectly. 11-3. electrostatic discharge control strong light exposure causes degradation of polariz er and color filter. 11-4. precautions for strong light exposure when storing modules as spares for a long time, the following precautions are necessary. (1) store them in a dark place. do not expose the m odule to sunlight or fluorescent light. keep the temperature between 5 c and 35 c at normal humidity. (2) the polarizer surface should not come in contac t with any other object. it is recommended that they be stored in the contai ner in which they were shipped. 11-5. storage (1) when the protection film is peeled off, static electricity is generated between the film and polar izer. this should be peeled off slowly and carefully by p eople who are electrically grounded and with well ion-blown equipment or in such a condition, etc. (2) the protection film is attached to the polarize r with a small amount of glue. if some stress is ap plied to rub the protection film against the polarizer du ring the time you peel off the film, the glue is apt to remain on the polarizer. please carefully peel off the protection film witho ut rubbing it against the polarizer. (3) when the module with protection film attached i s stored for a long time, sometimes there remains a very small amount of glue still on the polarizer af ter the protection film is peeled off. (4) you can remove the glue easily. when the glue r emains on the polarizer surface or its vestige is recognized, please wipe them off with absorbent cot ton waste or other soft material like chamois soaked with normal-hexane. 11-6. handling precautions for protection film www.datasheet.co.kr datasheet pdf - http://www..net/

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