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voer data sheet guangzhou woer electronics co., ltd. tel:0086-020-87594099 87598657 87595426 fax:0086-020-87595073 email:voer@volvo-lcd.com website: :http://www.volvo-lcd.com ^]t^l?\u5[pg ?pqls? auo p420hw02 vo www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 0/28 no reproduction and redistribution allowed product description: p420hw02 v0 tft-lcd panel auo model name: p420hw02 v0 customer part no/project name : customer signature date auo date reviewed by : pm head / louis cheng -------------------------------------- ----- reviewed by : rd head / kelvin chou -------------------------------------- ----- reviewed by : project leader / steven kuo ------------------------------------- ------ prepared by : pm / eddie peng ------------------------------------- ------- www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 1/28 no reproduction and redistribution allowed document version: 0.1 date:2009/7/17 product functional specification 42 full-hd color tft-lcd module model name: p420hw02 v0 (*) preliminary specification ( ) final specification note : this specification is subject to change with out notice. www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 2/28 no reproduction and redistribution allowed contents interface connections 3-2 color input data refernece 3-5 8 packing emc 7-2 cover contents record of revisions general description 1 absolute maximum ratings 2 electrical specifications 3 electrical charactreistics 3-1 signal timing specifications 3-3 signal timing waveforms 3-4 power sequence 3-6 optical specifications 4 mechanical characteristics 5 7 international standards safety 7-1 item no precautions 9 reliability 6 www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 3/28 no reproduction and redistribution allowed record of revision version date page old description new description remark 0.1 2009/7/17 preliminary spec first release www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 4/28 no reproduction and redistribution allowed 1. general description this specification applies to the 42 inch color tft -lcd module p420hw02 v0. this lcd module has a tft active matrix type liquid crystal panel 1920x 1080 pixels, and diagonal size of 42 inch. this module supports 1920x1080 full-hd mode (non-interla ce). each pixel is divided into red, green and blue sub- pixels or dots which are arranged in vertical strip es. gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray scale signal for e ach dot. the p420hw02 v0 has been designed to apply the 8/10 -bit selectable 2 channel lvds interface method. it is intended to support displays where na rrow bezel width, high brightness, wide viewing angle, high color saturation, and high color depth. * general information items specification unit note active screen size 42.02 inches display area 930.24(h) x 523.26(v) mm outline dimension 957.45(h) x 550.2(v) x 52.7(d) mm with inverter driver element a-si tft active matrix display colors 1073 m colors number of pixels 1920 x 1080 pixel pixel pitch 0.4845 mm pixel arrangement rgb vertical stripe display mode normally black lamp quantity, type 16pcs, straight type pcs surface treatment anti-glare coating (haze 11%) hard coating (3h) display orientation portrait/landscape enable front chassis color black www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 5/28 no reproduction and redistribution allowed 2. absolute maximum ratings the following are maximum values which, if exceeded , may cause faulty operation or damage to the unit. item symbol min max unit note power supply input voltage v dd -0.3 14 [volt] 1 logic input voltage vin -0.3 3.6 [volt] 1 blu input voltage v ddb -0.3 26.4 [volt] 1 blu brightness control voltage bl on -0.3 3.6 [volt] 1 ambient operating temperature t op 0 +50 [ o c] 2 ambient operating humidity h op 10 80 [%rh] 2 storage temperature t st -10 +60 [ o c] 2 storage humidity h st 10 80 [%rh] 2 shock (non-operation) - 40 g 3 vibration (non-operation) - 1.5 g 4 thermal shock -20 60 c 5 note 1 : duration = 50msec note 2 : maximum wet-bulb should be 39 and no condensation. note 3 : half sine wave, shock level : 40g(11ms), d irection : x, y, z (one time each direction) note 4 : wave form : random, vibration level : 1.5g rms, bandwidth : 10~500hz duration : x,y,z 30min (one time each direction) note 5 : -20c/1hr ~ 60c/1hr, 100 cycles www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 6/28 no reproduction and redistribution allowed 3. electrical specification the p420hw02 requires two power inputs. one is empl oyed to power the lcd electronics and to drive the tft array and liquid crystal. the second input, which powers the ccfl, is typically generated by an inverter. 3-1 electrical characteristics values parameter symbol min typ max unit notes lcd: power supply input voltage vdd 10.8 12 13.2 vdc power supply input current idd - 0.8 a 1 power consumption pc - 9.6 watt 1 inrush current i rush - - 4 a 5 dif ferential input high threshold voltage v th +100 mv 4 differential input low threshold voltage v tl -100 mv 4 lvds interface common input voltage v cim 0.6 1.2 1.8 v input high threshold voltage v ih (high) 2.0 3.3 vdc cmos interface input low threshold voltage v il (low) 0 0.8 vdc backlight power consumption 175 watt 2 life time 50,000 60,000 hours 3 the performance of the lamp in lcm, for example lif e time or brightness, is extremely influenced by the characteristics of the dc-ac inverter. so al l the parameters of an inverter should be carefully designed so as not to produce too much le akage current from high-voltage output of the inverter. when you design or order the inverter, pl ease make sure unwanted lighting caused by the mismatch of the lamp and the inverter (no light ing, flicker, etc) never occurs. when you confirm it, the lcd assembly should be operated in the same condition as installed in your instrument. www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 7/28 no reproduction and redistribution allowed do not attach a conducting tape to lamp connecting wire. if the lamp wire attach to conducting tape, tft-lcd module have a low luminance and the i nverter has abnormal action because leakage current occurs between lamp wire and conduc ting tape. the relative humidity must not exceed 80% non-conde nsing at temperatures of 40 or less. at temperatures greater than 40 , the wet bulb temperature must not exceed 39 . when operate at low temperatures, the brightness of ccfl will dr op and the lifetime of ccfl will be reduced. note : 1. vdd=12.0v, fv=60hz, f clk =80 mhz , 25 , vdd duration time= 470 s , test pattern : white pattern 2. the backlight power consumption shown above does in clude loss of external inverter at 25 . the used lamp current is the lamp typical current 3. the life is determined as the time at which luminan ce of the lamp is 50% compared to that of initial value at the typical lamp current on condit ion of horizontally continuous operating at 25 2 . 4. vcim = 1.2v vth vcim vtl 0v figure : lvds differential voltage 5. measurement condition: rising time = 470 s gnd vdd 0.1 vdd 0.9 vdd 470 s www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 8/28 no reproduction and redistribution allowed 3-2 interface connections - lcd connector: p-two 187059-5122 which is compatible fi-re51s-hf ( jae) note: 1. all gnd (ground) pin should be connected t ogether to the lcd modules metal frame. 2. all v lcd ( power input ) pins should be connected. no symbol description no symbol description 1 gnd ground 27 bit_sel 8/10 bit lvds :(nc/low:10 bits selection high : 8 bits ) 2 nc no connection 28 re_0n second channel 0- 3 nc no connection 29 re_0p second channel 0+ 4 nc no connection 30 re_1n second channel 1- 5 nc no connection 31 re_1p second channel 1+ 6 reserved auo internal test (open or low) 32 re_2n second channel 2- 7 lvds sel lvds order(nc/low:ns mode high: jeida mode) 33 re_2p second channel 2+ 8 nc no connection 34 gnd ground 9 reserved open or high 35 re_clkn second clock channel c- 10 reserved open or high 36 re_clkp second clock channel c+ 11 gnd ground 37 gnd ground 12 ro_0n first channel 0- 38 re_3n second channel 3- 13 ro_0p first channel 0+ 39 re_3p second channel 3+ 14 ro_1n first channel 1- 40 re_4n second channel 4- 15 ro_1p first channel 1+ 41 re_4p second channel 4+ 16 ro_2n first channel 2- 42 gnd ground 17 ro_2p first channel 2+ 43 gnd ground 18 gnd ground 44 gnd ground 19 ro_clkn first clock channel c- 45 gnd ground 20 ro_clkp first clock channel c+ 46 gnd ground 21 gnd ground 47 nc no connection 22 ro_3n first channel 3- 48 vlcd power supply +12v 23 ro_3p first channel 3+ 49 vlcd power supply +12v 24 ro_4n first channel 4- 50 vlcd power supply +12v 25 ro_4p first channel 4+ 51 vlcd power supply +12v 26 gnd ground - - - www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 9/28 no reproduction and redistribution allowed lvds option = high jeida lvds option = low/open ns www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 10/28 no reproduction and redistribution allowed backlight connector pin configuration 1. electrical specification no item symbol condition min typ max unit note 1 input voltage v ddb --- 21.6 24.0 26.4 v dc 2 input current i ddb v ddb =24v 100% brightness 6.94 7.3 7.66 a dc 3 input power p ddb v ddb =24v 100% brightness 175 w 4 input inrush current i rush v ddb =24v 100% brightness 8.16 a dc 5 output frequency f bl v ddb =24v 44 khz on v ddb =24v 2.0 --- 3.3 v dc 6 on/off control voltage v blon off v ddb =24v 0.0 --- 0.8 v dc 7 on/off control current i blon v ddb =24v 0 --- 2 ma dc max --- 2.0 3.3 v 8 external pwm control voltage ev pwm min --- 0 0.8 v max pwm=100% 0 2 ma 9 external pwm control current ei pwm min pwm=10% 0 2 ma 10 external pwm duty ratio ed pwm --- 10 100 % 11 external pwm frequency ef pwm --- 120 180 300 hz 12 internal pwm control voltage iv pwm v ddb 0 3.3 v ta=25 5 , turn on for 45minutes * note : at < < < < 20% dimming ratio, auo would not guarantee display per formance & start at high and low temperature condition. www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 11/28 no reproduction and redistribution allowed 2. input specification connector : s14b-ph-sm4-tb (jst) or equivalent cn :s14b-ph-sm4-tb (jst) no signal name feature 1 v ddb operating voltage supply,+24v dc regulated 2 v ddb operating voltage supply,+24v dc regulated 3 v ddb operating voltage supply,+24v dc regulated 4 v ddb operating voltage supply,+24v dc regulated 5 v ddb operating voltage supply,+24v dc regulated 6 gnd ground and current return 7 gnd ground and current return 8 gnd ground and current return 9 gnd ground and current return 10 gnd ground and current return 11 reserved reserved 12 v blon gnd:bl off; open/high (3.3v):bl on 13 pdim external pwm (ac signal control duty); internal pwm (dc power control duty,0~3.3v) open/high (+3.3v,100% duty) for 100% 14 pdim selection gnd: external pwm dimming; open/high (3.3v):internal pwm dimming www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 12/28 no reproduction and redistribution allowed 3-3 signal timing specifications this is the signal timing required at the input of the user connector. all of the interface signal tim ing should be satisfied with the following specificatio ns for its proper operation. timing table (de only mode) vertical frequency range a (60hz) signal item symbol min type max unit period tv 1090 1125 1480 th active tdisp (v) 1080 th vertical section blanking tblk (v) 10 45 400 th period th 1030 1100 1300 tclk active tdisp (h) 960 tclk horizontal section blanking tblk (h) 70 140 340 tclk period clk 20 13.47 12.9 ns clock frequency freq 50 74.25 82 mhz vertical frequency frequency vs 47 60 63 hz horizontal frequency frequency hs 60 67.5 73 khz www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 13/28 no reproduction and redistribution allowed 3-4 signal timing waveforms th tdisp(v) tblk(v) tv de rgb data n line invalid data invalid data 1 line 2 line 3 line n line 4 line tclk clk de rgb data (odd) rgb data (even) pixel m-7 pixel m-5 pixel m-3 pixel m-1 pixel m-6 pixel m-4 pixel m-2 pixel m invalid data invalid data pixel 1 pixel 2 pixel 3 pixel 5 pixel 4 pixel 6 pixel 7 pixel 8 pixel 9 pixel 10 pixel 11 pixel 12 pixel m-5 pixel m-3 pixel m-1 pixel m-4 pixel m-2 pixel m invalid data invalid data pixel 1 pixel 2 pixel 3 pixel 4 th tdisp(h) tblk(h) www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 14/28 no reproduction and redistribution allowed 3-5 color input data reference the brightness of each primary color (red, green an d blue) is based on the 8 bit gray scale data input for the color; the higher the binary input, the bri ghter the color. the table below provides a referen ce for color versus data input. color data reference input color data red msb lsb green msb lsb blue msb lsb color r7 r6 r5 r4 r3 r2 r1 r0 g7 g6 g5 g4 g3 g2 g1 g0 b7 b6 b5 b4 b3 b2 b1 b0 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 red(255) 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 green(255) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 blue(255) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 cyan 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 magenta 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 yellow 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 basic color white 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 red(000) 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(001) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ---- red(254) 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 red red(255) 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 green(000) 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(001) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 ---- green(254) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 green green(255) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 blue(000) 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(001) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 ------- blue(254) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 blue blue(255) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 15/28 no reproduction and redistribution allowed 3-6 power sequence 1. power sequence of panel values parameter min. typ. max. units t1 0.4 - 30 ms t2 0.1 - 50 ms t3 300 - - ms t4 100 - - ms t5 0.1 - 50 ms t6 - 300 ms t7 500 - - ms apply the lamp voltage within the lcd operating ran ge. when the backlight turns on before the lcd operation or the lcd turns off before the backlight turns off, the display may momentarily become abnormal. caution : the above on/off sequence should be applied to avo id abnormal function in the display. in case of handling, make sure to turn off the power w hen you plug the cable into the input connector or pull the cable out of the connector. www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 16/28 no reproduction and redistribution allowed 2. power sequence of inverter values parameter min. typ. max. units t1 20 - - ms t2 500 - - ms t3 250 - - ms t4 0 - - ms t5 1 - - ms t6 10 ms www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 17/28 no reproduction and redistribution allowed 4. optical specification optical characteristics are determined after the un it has been on and stable for approximately 60 minutes in a dark environment at 25 . the values specified are at an approximate distan ce 50cm from the lcd surface at a viewing angle of and equal to 0 . fig.4-1 optical measurement equipment and method values parameter symbol min. typ. max. units notes contrast ratio cr 2500 3500 1 surface luminance, white lwh 550 700 cd/ O 2 luminance variation white 5p 1.3 3 response time (average) t 8 ms 4,5 (gray to gray) color coordinates red r x 0.640 r y 0.330 green g x 0.290 g y 0.600 blue b x 0.150 b y 0.060 white w x 0.280 w y typ.-0.03 0.290 typ.+0.03 viewing angle contrast ratio>10 x axis, right( =0 ) r 89 degree 6 x axis, left( =180 ) l 89 y axis, up( =90 ) u 89 y axis, down ( =0 ) d 89 sr3 or equivalent www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 18/28 no reproduction and redistribution allowed note: 1. contrast ratio (cr) is defined mathematically as : 2. surface luminance is luminance value at point 1 across the lcd surface 50cm from the surface with all pixels displaying white. from more information see fig. 4-2. when v ddb = 24v, i ddb = 7.3a. l wh =l on1 , where l on1 is the luminance with all pixels displaying white at center 1 location. fig.4-2 optical measurement point 3. the variation in surface luminance, white is defined under 100% brightness as: white(5p)=maximum(lon1, lon2,,lon5)/minimum(lon1, lon2,lon5) contrast ratio (cr)= brightness on the "white" state brightness on the "black" state 1 2 5 3 v h v/4 v/2 h/2 h/4 4 3h/4 3v/4 www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 19/28 no reproduction and redistribution allowed 4. response time: (a) g-to-g: average response time among brightness of 0%, 25%, 50%, 75% &100%. 0% 25% 50% 75% 100% 0% tr: 0% 25% tr: 0% 50% tr: 0% 75% tr: 0% 100% 25% tf: 25% 0% tr: 25% 50% tr: 25% 75% tr: 25% 100% 50% tf: 50% 0% tf: 50% 25% tr: 50% 75% tr: 50% 100% 75% tf: 75% 0% tf: 75% 25% tf: 75% 50% tr: 75% 100% 100% tf: 100% 0% tf: 100% 25% tf: 100% 50% tf: 100% 75% 5. viewing angle is the angle at which the contrast ratio is greater than 10. the angles are determine 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. 4-3. (op tical measurement by sr3) fig.4-3 viewing angle definition www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 20/28 no reproduction and redistribution allowed 5. mechanical characteristics the contents provide general mechanical characteris tics for the model p420hw02. in addition the figures in the next page are detailed mechanical dr awing of the lcd. horizontal (typ.) 957.45mm vertical (typ.) 550.2mm outline dimension depth (typ.) 52.7mm (with inverter) horizontal (typ.) 938.95mm bezel area vertical (typ.) 531.01mm horizontal 930.24mm active display area vertical 523.26mm weight 11100 (typ), surface treatment anti-glare coating (haze 11%) hard coating (3h) www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 21/28 no reproduction and redistribution allowed 2d drawing www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 22/28 no reproduction and redistribution allowed www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v 0 23/28 no reproduction and redistribution allowed 6. reliability panel condition in ra test brightness: 700nits no test item condition 1 high temperature storage test ta=60 500h 2 low temperature storage test ta= -20 500h 3 high temperature operation test ta=50 500h 4 low temperature operation test ta=-5 500h 5 vibration test (non-operating) wave form: random vibration level: 1.5g rms bandwidth: 10-300hz, duration: x, y, z 30min one time each direction 6 shock test (non-operating) shock level: 40g waveform: half since wave, 11ms direction: x, y, z one time each direction 7 vibration test (with carton) wave form: random vibration level: 1.5g rms bandwidth: 10-200hz, duration: x, y, z 30min one time each direction 8 drop test (with carton) height: 30.5cm 1 corner, 3 edges, 6 surfaces (astmd4169-i) result evaluation criteria there should be no change which might affect the pr actical display function when the display quality t est is conducted under normal operating condition. www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 24/28 no reproduction and redistribution allowed 7. international standard 7-1. safety (1) ul60065, underwriters laboratories, inc. (auo f ile number : e204356) standard for safety of information technology equip ment including electrical business equipment. (2) csa e60065, canadian standards association standard for safety of information technology equip ment including electrical business equipment. (3) iec 60065 ver. 7 th ,european committee for electro technical standardi zation (cenelec) european standard for safety of information technol ogy equipment including electrical business equipment. 7-2. emc (1) ansi c63.4 methods of measurement of radio-noi se emissions from low-voltage electrical and electrical equipment in the range of 9khz to 40ghz. american national standards institute(ansi), 1992 (2) c.i.s.p.r limits and methods of measurement of radio interface characteristics of information technology equipment. international special commit tee on radio interference. (3) en 55022 limits and methods of measurement of radio interface characteristics of information technology equipment. european committee for elect rotechnical standardization. (cenelec), 1998 www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 25/28 no reproduction and redistribution allowed 8. packing : packing instruction package information: carton outside dimension: 1050(l)mm 277(w)mm 650( h)mm carton/package weight: 5kg 1pcs module/esd bag module 3pcs modules h tape www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 26/28 no reproduction and redistribution allowed gross weight (per box): 41kg shipping label green mark description: for pb free products, auo will add for identification. for rohs compatible products, auo will add for identification. note: the green mark will be present only when the green documents have been ready by auo internal green team. (the definition of green desig n follows the auo green design checklist.) carton label pallet information by air cargo: : (4x1) x2 layers, one pallet put 8 b oxes, total 24 pcs module. by sea: (4x1) x3 layers, one pallet put 12 boxes, t otal 36 pcs module. pallet dimension : 1140mm 1060mm 132mm pallet weight: 15.5kg by air total weight: 41 kg/box x 8 boxes=328 kg (wi th pallet weight 343.5 kg) by sea total weight: 41 kg/box x 12 boxes=492 kg (w ith pallet weight 507.5 kg) model no: p420hw02 v0 www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 27/28 no reproduction and redistribution allowed stretch film label corner angle pet band moisture-proof film corner angle pallet 9.precautions please pay attention to the followings when you use this tft lcd module. 9-1 mounting precautions (1) you must mount a module using holes arranged on back side of panel. (2) please attach the surface transparent protectiv e plate to the surface in order to protect the polarizer. transparent protective plate should have sufficient strength in order to the resist external force. (3) you should adopt radiation structure to satisfy the temperature specification. (4) acetic acid type and chlorine type materials fo r the cover case are not desirable because the former generates corrosive gas of attacking the pol arizer at high temperature and the latter causes circuit break by electro-chemical reaction. (5) 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 clo thes with chemical treatment. do not touch the surface of polarizer for bare hand or greasy cl oth. (some cosmetics are detrimental to the polarizer.) (6) when the surface becomes dusty, please wipe gen tly with absorbent cotton or other soft materials like chamois soaks with petroleum benzene . normal-hexane is recommended for cleaning the adhesives used to attach front/ rear p olarizers. do not use acetone, toluene and alcohol because they cause chemical damage to the p olarizer. (7) wipe off saliva or water drops as soon as possi ble. their long time contact with polarizer causes deformations and color fading. (8) do not open the case because inside circuits do not have sufficient strength. www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 28/28 no reproduction and redistribution allowed 9-2 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 l ower temperature, it becomes longer..) (3) brightness depends on the temperature. (in lowe r temperature, it becomes lower.) and in lower temperature, response time (required time tha t 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 minimize the interface. 9-3 electrostatic discharge control since a module is composed of electronic circuits, it is not strong to electrostatic discharge. make certain that treatment persons are connected to gro und through wrist band etc. and dont touch interface pin directly. 9-4 precautions for strong light exposure strong light exposure causes degradation of polariz er and color filter. 9-5 storage 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 and 35 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 container in which they were shipped. 9-6 handling precautions for protection film (1) the protection film is attached to the bezel wi th a small masking tape. when the protection film is peeled off, static electricity is generated betw een the film and polarizer. this should be peeled off slowly and carefully by people who are e lectrically grounded and with well ion-blown equipment or in such a condition, etc. (2) when the module with protection film attached i s stored for a long time, sometimes there www..net
?copyright au optronics, inc. january, 2008 all rights reserved. p420hw02 v0 29/28 no reproduction and redistribution allowed remains a very small amount of flue still on the be zel after the protection film is peeled off. (3) you can remove the glue easily. when the glue r emains on the bezel or its vestige is recognized, please wipe them off with absorbent cot ton waste or other soft material like chamois soaked with normal-hexane. 9-7 operating condition in pid application (1) if the continuous static display is required, p eriodically inserting a motion picture is strongly recommended. (2) recommend to periodically change the background color and background image. (3) recommend not to continuously operate over 18 h ours a day. (4) recommend to adopt one of the following actions after long time display. i. running the screen saver (motion picture or blac k pattern) ii. power off the system for a while (5) try not to run the lcd in a closed environment. suitable venting on the system cover would be helpful for cooling. (6) it is better to adapt active cooling with fans for long time displaying, especially for high luminance lcd model. www..net
voer tel:0086-020-87594099 87598657 87595426 fax:0086-020-87595073 email:voer@volvo-lcd.com website: :http://www.volvo-lcd.com www..net

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