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' 5 c c "( 5 6= e(f: c c "( 5 6= d f: ,$ + ( ? % * %7%8%&%7*%8*%&* 9% : %&'%7%8%&%7*%8*%&* 2 "'0%'0,%'-"7%%7%'1. 4 "'0%'0 9 : 5 9 : 6 > $ < %&'9 # : ; %&'9+ : @ 9 : "'09 : * %'09 : ! ! $ "'0 "'0$ ( a 2 ! ! $ %'0 "'0 %'0$ ( a "'0 4 1? + + + $ + ) + "$+ $ + ) +$ + ? ) ( $ ) % 1 $ 4 t oh t ol duty=t ol /t oh - % .# % , %+ $# ! + + % 2 5 =e#5 c " " 9' ! + + % 2 5 =d(#5 c (( 6 c "# "# " ; 4 %+ % % !%' c # c " 5 d) ( a 6 7 ( 9 )% ) ( : " * ? $ # ":"+ :$! 0! 2/"4 e 4 f$ :$! ! @ " ## %e e ( ! 2 # $ *# $ $! @ : e2 $4 % !( $ * $ 1" %'( %2+3( * 1" $! !"#$% &# $ ' 4 # $ :$! 9! + / 0) ! " # $ % & ' panelview enhancing the vision % , %+ $# & % + 4 * # # # h = " % # + + * % # "#" "# h " + c c #( h : ="i a $1b c c #( h 5 +4 * ! c c h " ="3 % # + + * % ! c ""# # h + c c # h : ="i a5$1b c c # h 5 c " c h " ="3 * % !% c #( c h " : 8 96$:0/j c kkk c 0 & $ 0:=@ @ + + g+% ; 0/j c kkk c 0 & a:;>b 96$:0/j c kkk c 0 & $ 0:=@; @ ;0/j c kkk c 0 & 9' + % e<@%% 4@%: < 1? 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" # $ % & ' panelview enhancing the vision 2 7 ( ( $ a k( al k$ l 3$ m k( al 100% 90% 10% 0% white white black time t r t d photodetector output (relative value) 4 . + $ c(f, f &.=691@ :> b1 + + / 2;a"# 5 $ n nn(n o6 @ 1 ,-. @@jo4j9 *4 : & ( 4@j + ( a+ @ ) ) + 4@@% 6 $( ( 4@j + $ 1 ( =@ high (6.5marms) off 5 min. 5 min. 5 min. 5 min. ! " # $ % & ' panelview enhancing the vision 2 $ * $ ! # & , # # %: 55 ( + * : :$! ! + " $ # @ -!k1, ! %m # 5 n , !( 5 min 23.0 21 +0.1 -0.1 1.0 +0.15 -0.15 (r0.5) 0.7 +0.07 -0.05 1.0 +0.02 -0.02 +0.15 -0.15 6 min 0.3 4 +0.05 -0.05 1 3 2 % # " . g+!% ( * 8 : : ( * 8$ % " : ! g+!% ,% %' g+!% " * 8 %:$! ( : , %!- ( & #. #.0 % ) ) :9" . ,d#5$d"9 $0#.d. $d6.4 7 l$6 $0#.d. $d"94 7 l$6 . 0,d 54 4 l$6 + / 0) ! " # $ % & ' panelview enhancing the vision " b # ":"+ * $ & ! $ $+ " ":"+ $ * b $ $ * # # ! $ 4 '5! $ %#$ b -! $ -!1g ( ! '? # ! $ $ ! # $ ) # # * # * #! # % ( # $ ! & ## *# 4 ?$ ! $ ## ( ?$ ##4 ? ) #! " 4 # $ ?$ ! 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" # $ % & ' panelview enhancing the vision 11 03a / e screen size (102.24 x 74.763) screen center r g r g b 960h x 234v dots 126.8 0.3 107.4 (case open area) 89.6 0.3 42.4 9.5 13 3 3 31.2 datum line datum line 16.5 13 2.2 2.2 5 5 79.8 (case open area) direction of best viewing angle (6 o'clock) 0.2 89.2 +0.3 -0.2 13 +0.3 -0.2 +0.3 -0.2 +0.1 -0.1 89.9 max +0.3 -0.2 :$! = # ":"+ + / 0) ! " # $ % & ' panelview enhancing the vision tft-lcd panel source driver gate driver common driving signal (com) lcd driving signal backlight backlight driving signal video interface circuit backlight * driving circuit (caution) * not included in the module v hl power supply for backlignt vcdc brt rgb video signal 2 rgb video signal 1 vbs ntp vsw vsy hsy clk clkc gnd power supply v sh , v sl vsh vsh vsl +5.3v regulator gate driver power supply gate driver power supply circuit control circuit source driver driving signal gate driver driving signal frp hsy vsw syn fig. 4 circuit block diagram of tft-lcd module sync. separator amplifying polarity inversion ! " # $ % & ' panelview enhancing the vision i/o signals (gray scale) a : b: c: d: e: f: g: 1v pp gnd under hv 0.7v pp 5v 0.7v pp 0 5v 0 5v 0 5v 0 (input) (note) input impedance of a, b, d: >10k ? input impedance of c: >50k ? e f c b d g a -5v +8v horizontal sync. vertical sync. clock -5v +8v +5v sw sw i/o connector fig. 5 recommended circuit tft-lcd module c-mos lsi c-mos lsi c-mos lsi +5.3v driver ics driver ics ic com +5.3v ic ic c-mos lsi +8v -5v regulator hsy vsy pwm n/p hrv vrv vsw sam v cdc vsh vbs brt vri vgi vbi vsl vr2 vg2 vb2 gnd clkc clk 560 ? 560 ? 560 ? 560 ? 560 ? 560 ? 1k ? 1k ? i 560 ? 8.2k ? 10k ? +5.3v 0.01xf 0.01xf 0.01xf 0.01xf 0.01xf 0.01xf 10k ? 2k ? 8.2k ? 50k ? 15k ? 47k ? + / 0) ! " # $ % & ' panelview enhancing the vision vbs vsy hsy video (r,g,b) hsy vsy 3h (ntsc) 2.5h (pal) 16.7ms (ntsc) 20ms (pal) odd field even field 1.0 vp-p detailed 0.7 vp-p 19h (ntsc) 25h (pal) vertical display period: 234h (ntsc) 273h (pal) fig. 6-a input/output signal waveforms (clkc= "high") t pv1 t vs t pv2 t rvo t fho t rho t fvo t vho t vho ! " # $ % & ' panelview enhancing the vision vbs hsy video signal vr1~vb1 or vr2~vb2 fig. 6-b input/output signal waveforms (clkc="high") t hs1 t pd t hs2 50% 50% 10% 90% t fh0 t rh0 1h=63.5 s (ntsc) 1h=64.0 s (pal) horizontally display area 50.8 s (sam "high") horizontally display area 50.6 s (sam "low") 12.2 s (ntsc, sam high) 13.0 s (ntsc, sam high) 12.3 s (ntsc, sam low) 13.4 s (ntsc, sam low) + / 0) ! " # $ % & ' panelview enhancing the vision ntsc mode system clock simultaneous sampling mode (pixel clock) independent sampling mode (dot clock) hsy system clock simultaneous sampling mode (pixel clock) independent sampling mode (dot clock) hsy pal mode 1185 1190 1195 1200 0 5 10 52.9 ns reset reset 1185 1190 1195 1200 0 1205 fig. 6-c input/output signal waveforms (clkc="high") ! " # $ % & ' panelview enhancing the vision clk hsy hsy hsy hsy vsy vsy trcli tfcli th01 tsu1 twl twh tfh12 trh12 thi trvo tfvo th02 tsu2 1h fig. 6-d input/output signal waveforms (external clock mode ntp="high", clkc="low") + / 0) ! " # $ % & ' panelview enhancing the vision vsy vsy hsy pwm (ntsc) pwm (pal) pwm magnify time range 89h 105h 525h (ntsc) 625h (pal) 1h nh nh 1/2h 1/2h 105h (ntsc) 89h (pal) period of stop dc/ac inverter oscillation period of dc/ac inverter oscillation fig. 7 pwm signal waveform for dimming backlight ! " # $ % & ' panelview enhancing the vision " * * $ # $ $&%e (! + ##4 -!e! %& 4 * -!e * # ## $ !( " $ * $4 # $ + ! %' # #? ( * $ f ) 1" @ -d) %-d)( @ -d) %5d)( #? ! output voltage v cdc lcd oscilloscope (x-y recorder) photo-electric device fig. a measurement system + $ * :$!! * $ * f ) 1" @ -d)%-d)( @-d)%5d)( #? * $ $$ ! %:$! 2( dc bias: optimum dc bias: optimum + 1v fig. b waveforms of flicker fig. 9 optical characteristics brightness: less than 5000cd/m 2 wave length: to be cut less than 400nm normal line photodetector (including luminosity factor) polarizing filter frame backlight (plane source) lcd panel |
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