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do c no.:14 0680 27 issu ed date: nov . 07, 200 6 model no.: g121s 1-l 0 1 approv al 1 / 26 v e rsion 3.1 tft lcd approval s p ecification model no.: G121S1-L01 o?y u@ ?f?? |a ?2? 2006 -1 1-13 15:50:06 cs t approve by dept. mgr . (qa ra) tomy_ch en( 3?@ /52720/5 414 0 / 43150 ) de p a rtment mana ger(qa ra) accept 2006 -1 1-09 18:13:01 cs t apporve by dir e cto r teren_lin( al2k /56910/3 606 4 ) dir e cto r accept c u s t o m e r : a pproved by: note: for more informa tion: az displa ys, inc. 75 columbia, aliso viejo, ca 92656 http://www .azdispla ys.com
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 2 / 26 version 3.1 - contents - revision history ------------------------------------------------------- 3 1. general description ------------------------------------------------------- 4 1.1 overview 1.2 features 1.3 application 1.4 general specifications 1.5 mechanical specifications 2. absolute maximum ratings ------------------------------------------------------- 6 2.1 absolute ratings of environment 2.2 electrical absolute ratings 2.2.1 tft lcd module 2.2.2 backlight unit 3. electrical characteristics ------------------------------------------------------- 8 3.1 tft lcd module 3.2 backlight unit 4. block diagram ------------------------------------------------------- 12 4.1 tft lcd module 4.2 backlight unit 5. input terminal pin assignment ------------------------------------------------------- 13 5.1 tft lcd module 5.2 backlight unit 5.3 timing diagram of lvds input signal 5.4 color data input assignment 6. interface timing ------------------------------------------------------- 15 6.1 input signal timing specifications 6.2 power on/off sequence 7. optical characteristics ------------------------------------------------------- 17 7.1 test conditions 7.2 optical specifications 8. packaging ------------------------------------------------------- 21 8.1 packing specifications 8.2 packing method 9. definition of labels ------------------------------------------------------- 23 10. precautions ------------------------------------------------------- 24 10.1 assembly and handling precautions 10.2 safety precautions 11. mechanical characteristics ------------------------------------------------------- 25
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 3 / 26 version 3.1 revision history version date section description 3.0 3.1 sep.12.?06 nov.07.?06 all 3.1 G121S1-L01 approved specification was first issued ?c modified table 3.1
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 4 / 26 version 3.1 1. general description 1.1 overview the G121S1-L01 model is a 12.1? tft-lcd module with a 2-ccfl backlight unit and a 20-pin 1ch-lvds interface. this module supports 800 x 600 svga mode and displays 262,144 colors. the inverter module for the backlight unit is not built in. 1.2 features - wide viewing angle - high contrast ratio - fast response time - high color saturation - svga (800 x 600 pixels) resolution - wide operating temperature - de (data enable) mode - lvds (low voltage differential signaling) interface - rohs compliance - reversible- scan function 1.3 application - tft lcd monitor - tft lcd tv - factory application - amusement - vehicle 1.4 general specificati0ns item specification unit note diagonal size 12.1 inch active area 246.00(h) x 184.50(v) mm bezel opening area 249.00(h) x 187.50(v) mm (1) driver element a-si tft active matrix - - pixel number 800 x r.g.b. x 600 pixel - pixel pitch 0.3075(h) x 0.3075(v) mm - pixel arrangement rgb vertical stripe - - display colors 262,144 color - transmissive mode normally black - - surface treatment hard coating (3h), anti-glare (haze 25%) - -
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 5 / 26 version 3.1 1.5 mechanical specifications item min. typ. max. unit note horizontal (h) 260.0 260.5 261.0 mm vertical (v) 203.5 204.0 204.5 mm module size depth (d) 11.7 12.2 12.7 mm (1) weight - - 660 g - i/f connector mounting position the mounting inclination of the connector makes the screen center within 0.5mm as the horizontal. - (2) note (1) please refer to the attached drawings for more information of front and back outline dimensions. (2) connector mounting position +/- 0.5mm
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 6 / 26 version 3.1 2. absolute maximum ratings 2.1 absolute ratings of environment value item symbol min. max. unit note operating ambient temperature t op -30 +70 oc (0), (1), (2) storage temperature t st -40 +80 oc (0), (1) test item test condition note high temperature storage test 80oc, 240 hours low temperature storage test -40oc, 240 hours thermal shock storage test -40oc, 0.5hour ??? 80 j , 0.5hour; 100cycles, 1hour/cycle high temperature operati on test 70oc, 240 hours low temperature operation test -30oc, 240 hours high temperature & high humidity operation test 60oc, rh 90%, 240hours heat cycle operation test -30oc, 1hour ??? 70oc, 1hour; 50cycles, 4hour/cycle (1) (2) esd test (operation) 150pf, 330 [ , 1sec/cycle condition 1 : panel contact, ? 8kv condition 2 : panel non-contact ? 15kv (2) shock (non-operating) 200g, 2ms, half sine wave, 1 time for x, y, z. (2)(3) vibration (non-operating) 1.5g, 10 ~ 300 hz, 10min/cycle, 3 cycles each x, y, z (2)(3) note (0) all test conditions are as above table. note (1) temperature and relative humidity range is shown in the figure below. (a) 90 %rh max. (ta ?? 40 oc). (b) wet-bulb temperature should be 39 oc max. (ta > 40 oc). (c) no condensation. note (2) no display malfunctions. note (3) at testing vibration and shock, the fixtur e in holding the module has to be hard and rigid enough so that the module would not be twisted or bent by the fixture. note (4) temperature of panel display surface area should be 80 oc max.
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 7 / 26 version 3.1 2.2 electrical absolute ratings 2.2.1 tft lcd module value item symbol min. max. unit note power supply voltage vcc -0.3 6.0 v logic input voltage v in -0.3 2.7 v (1) 2.2.2 backlight unit value item symbol min. max. unit note lamp voltage v l - 2.5k v rms (1), (2), i l = 8ma lamp current i l 2.0 8.5 ma rms lamp frequency f l 45 80 khz (1), (2) note (1) permanent damage to the device may occur if maximum values are exceeded. function operation should be restricted to the conditions described under normal operating conditions. note (2) specified values are for lamp (refer to 3.2 for further information).
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 8 / 26 version 3.1 3. electrical characteristics 3.1 tft lcd module ta = 25 2 oc value parameter symbol min. typ. max. unit note power supply voltage vcc 3.0 3.3 / 5.0 5.5 v (1) ripple voltage v rp - - 100 mv - rush current i rush - - 1.5 a (2) vcc=3.3v - 655 835 (3)a white vcc=5.0v - 400 490 ma (3)b vcc=3.3v - 550 700 (3)c power supply current black vcc=5.0v - - 350 440 ma (3)d lvds differential input voltage vid -100 - +100 mv - lvds common input voltage vic - 1.2 - v - note (1) the module is recommended to operate within 3.3v or 5.0v for normal function. note (2) measurement conditions: vcc rising time is 470 s 470 s +3.3/+5.0v gnd 0.9vcc 0.1vcc r1 (high to low) (control signal) +12v sw q2 c1 1uf vcc +3.3/+5.0v 2sk1470 q1 2sk1475 47k r2 1k vr1 47k c2 0.01uf c3 1uf fuse (lcd module input)
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 9 / 26 version 3.1 note (3) the specified power supply current is under the conditions at vcc = 3.3 v, ta = 25 2 oc, f v = 60 hz, whereas a power dissipation check pattern below is displayed. (3)a : vcc = 3.3 v, ta = 25 2 oc, f v = 60 hz, white pattern (3)b : vcc = 5.0 v, ta = 25 2 oc, f v = 60 hz, white pattern (3)c : vcc = 3.3 v, ta = 25 2 oc, f v = 60 hz, black pattern (3)d : vcc = 5.0 v, ta = 25 2 oc, f v = 60 hz, black pattern active area a. white pattern active area b. black pattern
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 10 / 26 version 3.1 3.2 backlight unit value parameter symbol min. typ. max. unit note lamp input voltage v l 450 500 550 v rms i l =8ma lamp current i l 2.0 8.0 8.5 ma rms (1) - - 1010 v rms 25 oc, (2) lamp turn on voltage v s - - 1200 v rms 0 oc, (2) operating frequency f l 45 - 80 khz (3) lamp life time l bl 50000 - - hrs (5), i l =8ma power consumption p l -- 4.0 - w (4), i l =8ma note (1) lamp current is measured by utilizing hi gh-frequency current meters as shown below: ta = 25 2 oc note (2) the voltage that must be larger than vs should be applied to the lamp for more than 1 second after startup. otherwise the lamp may not be turned on. note (3) the lamp frequency may produce interference with horizontal synchronization frequency from the display, which might cause line flow on the displa y. in order to avoid interference, the lamp frequency should be detached from the horizontal synchronization frequency and its harmonics as far as possible. note (4) p l = i l ?? v l note (5) the lifetime of lamp can be defined as the time in which it continues to operate under the condition ta = 25 ? 2 o c and i l = 2.0 ~ 8.0 marms until one of the following events occurs: (a) when the brightness becomes or lower than 50% of its original value. (b) when the effective ignition length becomes or lo wers than 80% of its original value. (effective ignition length is defined as an area that has less than 70% brightness compared to the brightness in the center point.) note (6) the waveform of the voltage output of in verter must be area-symmetric and the design of the inverter must have specifications for the modul arized lamp. the performance of the backlight, such as lifetime or brightness, is greatly influenc ed by the characteristics of the dc-ac inverter for the lamp. all the parameters of an inverter should be carefully designed to avoid producing too much current leakage from high voltage output of the inverter. when designing or ordering the inverter please make sure that a poor lighting caused by the mismatch of the backlight and the inverter (miss-lighting, flicker, etc.) never occurs. if the above si tuation is confirmed, the module should be operated in the same manners when it is installed in your instrument. lcd module inverter current meter yokogawa 2016 a 1 a hv (pink) 2 lv (white) 1 a hv (pink) 2 lv (white)
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 11 / 26 version 3.1 the output of the inverter must have symmetrical (negative and positive) voltage waveform and symmetrical current waveform. (unsymmetrical ratio is less than 10%) please do not use the inverter which has unsymmetrical voltage and unsymmetrical current and spike wave. lamp frequency may produce interface with horizontal synchronous frequency and as a result this may cause beat on the display. therefore lamp frequency shall be as away possible from the horizontal synchronous frequency and from its harmonics in order to prevent interference. requirements for a system inverter design, which is intended to have a better display performance, a better power efficiency and a more reliable lamp. it shall help increase the lamp lifetime and reduce its leakage current. a. the asymmetry rate of the inverter waveform should be 10% below; b. the distortion rate of the waveform should be within ?? 2 10%; c. the ideal sine wave form shall be symmetric in positive and negative polarities. i p i -p * asymmetry rate: | i p ? i ?p | / i rms * 100% * distortion rate i p (or i ?p ) / i rms
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 12 / 26 version 3.1 4. block diagram 4.1 tft lcd module 4.2 backlight unit 1 hv(pink) 2 lv(white) 1 hv(pink) 2 lv(white) tft lcd panel (800x r.g.b.x600) data driver ic scan driver ic backlight unit lvds input / timing controller dc/dc converter & reference voltage input connector (starconn 076b20-0048ra-g4 or jae-fi-seb20p-hfe ) v l lamp connector (jst bhr-03vs-1) rx0(+/-) rx1(+/-) rx2(+/-) rxc(+/-) u / d l / r vcc gnd
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 13 / 26 version 3.1 5. input terminal pin assignment 5.1 tft lcd module pin name description remark 1 vcc_in power supply (5.0 v / 3.3 v ) 2 vcc_in power supply (5.0 v / 3.3 v ) 3 gnd ground 4 gnd ground 5 rx0- differential data input, ch0 (negative ) 6 rx0+ differential data input, ch0 ( positive ) r0 ~ r5, g0 7 gnd ground 8 rx1- differential data input, ch1 ( negative ) 9 rx1+ differential data input , ch1 ( positive ) g1 ~ g5, b0, b1 10 gnd ground 11 rx2- differential data input , ch2 ( negative ) 12 rx2+ differential data input , ch2 ( positive ) b2 ~ b5, de 13 gnd ground 14 clk- differential cl ock input ( negative ) 15 clk+ differential clock input ( positive ) lvds level clock 16 gnd ground 17 l/r horizontal display mode select signal note (5) 18 u/d vertical display mode select signal note (5) 19 gnd ground 20 gnd ground note (1) connector part no.: st arconn 076b20-0048ra-g4 or jae fi-seb20p-hfe or equivalent. note (2) mating connector part no.: j ae-fi-se20m, fi-s20s or equivalent. note (3) the first pixel is odd. note (4) input signal of even and odd clock should be the same timing. note (5) l/r=high, u/d=low l/r=low, u/d=low r/l=high, u/d=high r/l=low, u/d=high
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 14 / 26 version 3.1 5.2 backlight unit pin symbol description remark 1 hv high voltage pink 2 na na 3 lv low voltage white note (1) connector part no.: jst bhr-03vs-1 or equivalent note (2) user?s connector part no.: jst sm03(4.0)b-bhs-1-tb or equivalent 5.3 color data input assignment 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 the assignment of color versus data input. data signal red green blue color r5 r4 r3 r2 r1 r0 g5 g4 g3 g2 g1 g0 b5 b4 b3 b2 b1 b0 basic colors black red green blue cyan magenta yellow white 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 1 1 0 1 gray scale of red red(0)/dark red(1) red(2) : : red(61) red(62) red(63) 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 1 : : 0 1 1 0 1 0 : : 1 0 1 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 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 0 : : 0 0 0 0 0 0 : : 0 0 0 gray scale of green green(0)/dark green(1) green(2) : : green(61) green(62) green(63) 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 0 0 : : 0 0 0 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 1 : : 0 1 1 0 1 0 : : 1 0 1 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 0 0 : : 0 0 0 gray scale of blue blue(0)/dark blue(1) blue(2) : : blue(61) blue(62) blue(63) 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 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 0 : : 0 0 0 0 0 0 : : 0 0 0 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 0 : : 1 1 1 0 0 1 : : 0 1 1 0 1 0 : : 1 0 1 note (1) 0: low level voltage, 1: high level voltage
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 15 / 26 version 3.1 6. interface timing 6.1 input signal timing specifications the input signal timing specifications are shown as the following table and timing diagram . signal item symbol min. typ. max. unit note frequency fc 33.4 39.7 48.3 mhz - lvds clock period tc 20.7 25.1 29.9 ns frame rate fr 56 60 75 hz tv=tvd+tvb total tv 606 628 650 th - display tvd 600 600 600 th - vertical active display term blank tvb tv-tvd 28 tv-tvd th - total th 920 1056 1240 tc th=thd+thb display thd 800 800 800 tc - horizontal active display term blank thb th-thd 256 th-thd tc - note ?g (1) because this module is operated by de onl y mode, hsync and vsync input signals should be set to low logic level or ground. otherwise, this module would operate abnormally. input signal timing diagram
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 16 / 26 version 3.1 power on/off sequence 0.5ms t 1 10ms 0 t 2 50ms 0 t 3 50ms 500ms t 4 50% 0v 0v 50% t 6 t 5 t 3 t 1 0.1v dd 0.9 v cc 0.1v cc 0.9 v cc t 4 t 2 valid power on power off signals backlight (recommended) 200ms t 5 200ms t 6 power supply v cc 6.2 power on/off sequence to prevent a latch-up or dc operation of lcd module, the power on/off sequence should follow the conditions shown in the following diagram. note (1) please avoid floating state of interface signal at invalid period. note (2) when the interface signal is invalid, be sure to pull down the power supply of lcd vcc to 0 v. note (3) the backlight inverter power must be turned on after the power supply for the logic and the interface signal is valid. the backlight inverter power must be turned off before the power supply for the logic and the interface signal is invalid.
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 17 / 26 version 3.1 7. optical characteristics 7.1 test conditions item symbol value unit ambient temperature ta 25 2 o c ambient humidity ha 50 10 %rh supply voltage v cc 5.0 v input signal according to typical val ue in "3. electrical characteristics" inverter current i l 8.0 ma inverter driving frequency f l 61 khz inverter sumida h05-5052 7.2 optical specifications the relative measurement methods of optical c haracteristics are shown in 7.2. the following items should be measured under the test conditions descri bed in 7.1 and stable environment shown in note (5). item symbol condition min. typ. max. unit note rx 0.620 - red ry 0.345 - gx 0.318 - green gy 0.556 - bx 0.147 - blue by 0.120 - wx 0.326 - color chromaticity white wy typ - 0.03 0.340 typ + 0.03 - (1), (5) center luminance of white l c 380 450 - cd/m 2 (4), (5) contrast ratio cr x =0 , y =0 cs-1000 700 1000 - - (2), (5) t r - 13 18 ms response time t f x =0 , y =0 - 12 17 ms (3) white variation w x =0 , y =0 - 1.25 1.4 - (5), (6) x + 80 89 - horizontal x - 80 89 - y + 80 89 - viewing angle vertical y - cr 10 80 89 - deg. (1), (5)
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 18 / 26 version 3.1 note (1) definition of viewing angle ( x, y): note (2) definition of contrast ratio (cr): the contrast ratio can be calcul ated by the following expression. contrast ratio (cr) = l63 / l0 l63: luminance of gray level 63 l 0: luminance of gray level 0 cr = cr (5) cr (x) is corresponding to the contrast ratio of the point x at figure in note (6). note (3) definition of response time (t r , t f ) and measurement method: 12 o?clock direction y+ = 90o 6 o?clock y- = 90o x ? x + y- y + x- y+ y- x+ normal x = y = 0o x+ = 90o x- = 90o 100% 90% 10% 0% gra y level 63 gray l evel 0 gra y level 63 time t r optical response t f 66.67 ms 66 . 6 7 m s
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 19 / 26 version 3.1 note (4) definition of luminance of white (l c ): measure the luminance of gray level 63 at center point l c = l (5) l (x) is corresponding to the luminance of the point x at figure in note (6). note (5) measurement setup: the lcd module should be stabilized at giv en temperature for 20 minutes to avoid abrupt temperature change during measuring. in order to stabilize the luminance, the measurement should be executed after lighting backlight for 20 minutes in a windless room. bm-5a cs-1000 field of view = 2o 500 mm lcd module lcd panel center of the screen light shield room (ambient luminance < 2 lux)
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 20 / 26 version 3.1 note (6) definition of white variation ( w): measure the luminance of gray level 63 at 5 points w = maximum [l (1), l (2), l (3), l (4), l (5)] minimum [l (1), l (2), l (3), l (4), l (5)] d w active area vertical line horizontal line : test point x=1 to 5 5 1 2 3 4 d/4 d/2 3d/4 w/4 w/2 3w/ x
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 21 / 26 version 3.1 8. packaging 8.1 packing specifications (1) 15pcs lcd modules / 1 box (2) box dimensions: 461 (l) x 362 (w) x 314 (h) mm (3) weight: approximately 11.15kg (15pcs modules per box) 8.2 packing method (1) carton packing should have no failure in the following reliability test items. test item test conditions note vibration ista standard random, frequency range: 2 ? 200 hz top & bottom: 30 minutes (+z), 10 min (-z), right & left: 10 minutes (x) back & forth 10 minutes (y) non operation dropping test 1 angle, 3 edge, 6 face, 61 cm non operation figure. 8-1 packing method
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 22 / 26 version 3.1 figure. 8-2 packing method
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 23 / 26 version 3.1 9. definition of labels 9.1 cmo module label the barcode nameplate is pasted on each module as illustrati on, and its definitions are as following explanation. (a) model name: G121S1-L01 (b) revision: rev. xx, for example: a0, a1? b1, b2? or c1, c2?etc. (c) cmo barcode definition: serial id: xx -xx -x -xx -ymd -l -nnnn code meaning description xx cmo internal use - xx revision cover all the change x cmo internal use - ymd year, month, day year: 2001=1, 2002=2, 2003=3, 2004=4? month: 1~12=1, 2, 3, ~, 9, a, b, c day: 1~31=1, 2, 3, ~, 9, a, b, c, ~, w, x, y, exclude i, o, u. l product line # line 1=1, line 2=2, line 3=3, ?etc. nnnn serial number manufacturing sequence of product
doc no.:14068027 issued date: nov. 07, 2006 model no.: G121S1-L01 approval 24 / 26 version 3.1 10. precautions 10.1 assembly and handling precautions (1) do not apply rough force such as bending or twisting to the module during assembly. (2) to assemble or install module into user?s system can be only in clean working areas. the dust and oil may cause electrical short or worsen the polarizer. (3) it?s not permitted to have pressure or impulse on the module because the lcd panel and backlight will be damaged. (4) always follow the correct power sequence when lcd module is connecting and operating. this can prevent damage to the cmos lsi chips during latch-up. (5) do not pull the i/f connector in or out while the module is operating. (6) do not disassemble the module. (7) use a soft dry cloth without chemicals for cleani ng, because the surface of polarizer is very soft and easily scratched. (8) it is dangerous that moisture come into or contacted the lcd module, because moisture may damage lcd module when it is operating. (9) high temperature or humidity may reduce the performance of module. please store lcd module within the specified storage conditions. (10) when ambient temperature is lower than 10oc may reduce the display quality. for example, the response time will become slowly, and the starting voltage of ccfl will be higher than room temperature. 10.2 safety precautions (1) the startup voltage of backlight is approximat ely 1000 volts. it may cause electrical shock while assembling with inverter. do not disassemble the mo dule or insert anything into the backlight unit. (2) if the liquid crystal material leaks from the panel, it should be kept away from the eyes or mouth. in case of contact with hands, skin or clothes, it has to be washed away thoroughly with soap. (3) after the module?s end of life, it is not harmful in case of normal operation and storage.

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