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lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification specification for approval ( ) preliminary specification ( ) final specification title 14.1? xga tft lcd buyer name pc obu supplier lg lcd inc . model name model name LP141XA-A1 s i g n a t u r e d a t e s i g n a t u r e d a t e a p p r o v e d b y s. h. kang r e v i e w e d b y s. c. yun b. h. koo p r e p a r e d b y h. s. song s. j . lee please return 1 copy for our confirmation with your signature and comments. product engineering dept. lg lcd inc. + version 1.4 08 / jul. / 1999 page 1/19 ( datasheet : )
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification table of contents no. item page - c o v e r 1 / 1 9 - table of contents 2/19 - record of revision 3/19 1 . g e n e r a l d e s c r i p t i o n 4 / 1 9 2 . m a x i m u m r a t i n g s 5 / 1 9 3 . e l e c t r i c a l s p e c i f i c a t i o n s 5 / 1 9 4 . o p t i c a l s p e c i f i c a t i o n s 6 / 1 9 5 . i n t e r f a c e c o n n e c t i o n s 7 / 1 9 6. signal timing specifications 9/19 7. signal timing wave forms 10/19 8. color input data reference 12/19 9 . p o w e r s e q u e n c e 1 3 / 1 9 1 0 . m e c h a n i c a l chara c t e r i s t i c s 1 4 / 1 9 1 1 . h a n d l i n g p r e c a u t i o n s 1 6 / 1 9 1 2 . i n t e r n a t i o n a l s t a n d a r d s 1 7 / 1 9 - a p p e n d i x 1 8 / 1 9 version 1.4 08 / jul. / 1999 page 2/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification record of revision date and version description 22 / jan. / 1999 & ver. 1.0 12 / feb. / 1999 & ver. 1.1 12 / apr. / 1999 & ver. 1.2 28 / may / 1999 & ver. 1.3 08 / jul. / 1999 & ver. 1.4 initial release 1. to change model name (all page) lp141x4-c1 LP141XA-A1 2. to change power supply current (5 page) : t y p m a x t y p m a x 375 510 410 570 [ma] 3. to add international standards (17 page) 1. to changed color coordinates (6 page) : m i n . t y p m a x m i n . t y p m a x rx 0.542 0.572 0.602 0.548 0.578 0.608 ry 0.320 0.350 0.380 0.317 0.347 0.377 gx 0.267 0.297 0.327 0.278 0.308 0.338 gy 0.519 0.549 0.579 0.507 0.537 0.567 bx 0.122 0.152 0.182 0.121 0.151 0.181 by 0.110 0.140 0.170 0.101 0.131 0.161 wy 0.271 0.301 0.331 0.281 0.311 0.341 wy 0.312 0.342 0.372 0.311 0.341 0.371 1. to change power sequence (13 page) lamp on time : 200[ms] min. 50[ms] min. 1. update mechanical drawing(14, 15 page) 2. change power sequence (13 page) vdd off time : 20 [ms] max. 40 [ms] max. version 1.4 08 / jul. / 1999 page 3/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 1. general description the lg lcd inc. model l p 141xa-a1 l cd i s a colo r active matrix liquid cry s tal di splay wit h an integ r al cold catho d e fluore s cent tube (ccft ) back light system. the matrix employs a - si thin film tran si stor as the active eleme n t. it i s a tra n smissive type displ a y ope rating i n the no rmall y white mod e . this tft- lcd ha s a 1 4 .1 inch diag onally mea s u r ed a c tive di splay are a wit h xga resol u tion(768 ve rtical by 102 4 hori z o n tal pix e l array). each pixel is divided into red, g r e en and blu e su b-pixel s o r d o ts which are arrang ed i n vertical st ripe s. gray scal e or th e b r ig h t ness of the sub-pixel colo r is d e termi n e d with a 6 - bit gray scale signal for each dot, thus, pres enting a pallet of more than 262,144 colors. the lp1 41x a-a1 lcd i s inten ded t o su ppo rt ap plic atio ns wh ere lo w p o wer con s um ption, wei ght a n d thickne ss are critical fa ctors and graphi c di spl a ys ar e imp o r tant. in combin ation with the ve rtical arrang eme n t of the sub - pi xels, the lp1 41xa-a1 cha r a c teri stics provide an excellent flat panel display for office automation products such as portable computers. col u m n dr i v e r 14.1 inch xga ( 1024 x rgb x 768 ) ro w dri v e r power supply ti m i n g c o n t roller back li g ht a ssembl y + l v d s r eceiver user connector ( cn1 ) cn2 da ta & co ntr o l si g n a l vdd gn d ri n0 - ri n0 + ri n1 - ri n1 + ri n2 - ri n2 + clk - clk + co ntr o l s i gn al general display characteristics the following are general feature of the model LP141XA-A1 lcd; active display area outsize dimensions pixel pitch pixel format color depth display operating mode surface treatment 14.1 inch diagonal 298.5 w x 227.5 h x 5.8 d mm typ. 0.279 mm x 0.279 mm 1024 horiz. by 768 vert. pixels rgb stripe arrangement 6-bit transmissive mode, normally white hard coating(3h), anti-glare treatment of the front polarizer version 1.4 08 / jul. / 1999 page 4/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 2. maximum ratings the following are maximum values which, if exceeded, may cause faulty operation or damage to the unit. table 1 absolute maximum ratings p a r a m e t e r s y m b o l v a l u e s u n i t s n o t e s m i n . m a x . power input voltage logic input voltage operating temperature storage temperature v dd v l/h t op t st 0 -0.3 0 -20 4.0 vdd+0.3 +50 +60 vdc vdc at 25 at 25 1 1 note: 1. the relative humidity must not exceed 80% non-condensing at temperatures of 40 or less. at temperatures greater than 40 , the wet bulb temperature must not exceed 39 . at low temperature the brightness of ccfl drop and the life time of ccfl become to be short. 2. under no condition should the unit be exposed to corrosive chemicals. 3. electrical specifications the lp14 1x a-a1 req u ire s two p o wer inputs. on e is empl oye d to power the lcd el ectroni cs a nd to derive th e vol t ages to drive the tft a r ra y and liq uid crys tal. the se con d inp u t which po we rs t he ba cklight ccft, is typically generated by an inverter. the inverter is an external unit to the lcd. table 2 electrical characteristics: p a r a m e t e r s y m b o l values units notes m i n . t y p . m a x . module: power supply input voltage power supply input current ripple/noise differential input voltage - high for receiver threshold low backlight backlight input voltage backlight current established starting voltage operating frequency ccfl life time v dd i dd - v ih v il v bl i bl f bl 3.0 - - - -100 680 3.0 40 10,000 3.3 410 60 - - 725 5.0 60 3.6 570 100 100 - 850 6.0 1170 1450 80 vdc ma mv mv mv v rm s ma v rm s v rm s khz hours 1,2 3 4 25 2 , 5 0 @ i bl = 6ma notes 1. the current draw and power cons umption specified is for 3.3 vdc at 25 . 2.typical value is measured when displaying black screen. maximum power situation measured with al ternating vertical lines by 2 black_white pattern. for more information see appendix a-1. 3. lvds common mode voltage, vcm=1.2v 4. the backlight power consumption shown abov e does not include loss of external inverter. 5. the voltage of inverter is more than the established starting voltage. version 1.4 08 / jul. / 1999 page 5/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 4. optical specifications optical cha r a c teri stics are determi ned af ter the unit ha s bee n ?on? a nd stabl e for app roximatel y 30 minutes in a da rk env ironm ent at 2 5 . the val u es spe c ified are at an a p p roximate distance 50 cm f r om the lcd surface at a viewing angle of and equal to 0 . appendix a presents additional information concerning the specified characteristics. table 3 optical characteristics values p a r a m e t e r s y mbol m i n . t y p . m a x . u n i t s n o t e s contrast ratio cr 150 250 - - 1 white surface brightness i bl=6.0ma sb wh 1 0 0 1 2 0 - cd/m 2 2 brightness variation sb v - - 1 . 8 0 3 rise time tr r - 2 0 4 0 m s e c response time decay time tr d - 3 0 5 0 m s e c x 0 . 5 4 8 0 . 5 7 8 0 . 6 0 8 - 6 red y 0 . 3 1 7 0 . 3 4 7 0 . 3 7 7 - 6 x 0 . 2 7 8 0 . 3 0 8 0 . 3 3 8 - 6 green y 0 . 5 0 7 0 . 5 3 7 0 . 5 6 7 - 6 x 0 . 1 2 1 0 . 1 5 1 0 . 1 8 1 - 6 blue y 0 . 1 0 1 0 . 1 3 1 0 . 1 6 1 - 6 x 0 . 2 8 1 0 . 3 1 1 0 . 3 4 1 - 6 color coordinates white y 0 . 3 1 1 0 . 3 4 1 0 . 3 7 1 - 6 x axis, right ( =0 [ ) 4 5 d e g r e e 5 x axis , left( =180 [ ) 4 5 d e g r e e 5 y axis, up( =90 [ ) 1 0 d e g r e e 5 viewing angle (cr>10:1) y axis, down ( =270 [ ) 3 0 d e g r e e 5 notes 1. contrast ratio (cr) is defined mathematically as: ( s u r f a c e b r i g h t n e s s w i t h a l l w h i t e p i x e l s ) ( s u r f a c e b r i g h t n e s s w i t h a l l b l a c k p i x e l s ) 2. surface brig h t ness is 5 sp ot average of m easu r em e n t acro ss the lcd surfa c e 50cm from t h e surface with all pixels displaying white. for more information see appendix a-2. 3. the variation in surface brightness, sb v is determined by measuring b on at each test position 1 through 13, and then dividing the maximum b on by the minimum b on . for more information see appendix a-3. m a x i m u m ( b on1 , b on2 , ....b on13 ) m i n i m u m ( b on1 , b on2 , ....b on13 ) 4. response time is the time required for t he display to transition from white to black ( r i s e t i m e , t r r ) and from black to white (decay time, tr d ). for additional information see appendix a-4. 5. viewing angle is the angle at which the cont rast ratio is greater than 10. the angles are determined 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 appendix a-5. 6. color coordinates can be changed according to color filter. (in case of changing color filter, we will tell our customer.) version 1.4 08 / jul. / 1999 page 6/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 5. interface connections this l c d em ploys two i n terfa c e conn e c tion s, a 20 pi n co nne cto r is used for t he mod u le el ectroni cs a n d a two pin connector is used for the integral backlight system. the electronics interface connector is a model fi-seb-20p-hf or equivalent. the pin configuration for the connector is shown in the table below. table 4 module connector pin configuration (cn1) p i n s y m b o l d e s c r i p t i o n n o t e s 1 vdd pow e r supply , 3.3v 2 vdd pow e r supply , 3.3v 3 g n d g r o u n d 4 g n d g r o u n d 5 rin0 - receiv e r signal (-) 6 rin0 + receiv e r signal (+) 7 g n d g r o u n d 8 rin1 - receiv e r signal (-) 9 rin1 + receiv e r signal (+) 1 0 g n d g r o u n d 11 rin2 - receiv e r signal (-) 12 rin2 + receiv e r signal (+) 1 3 g n d g r o u n d 14 clk - clock signal (-) 15 clk + clock signal (+) 1 6 g n d g r o u n d 1 7 n c reserv e d 1 8 n c reserv e d 1 9 g n d g r o u n d 2 0 g n d g r o u n d pi n 20 pin 1 user connector view ing on display side notes: 1. all gnd(ground) pins should be connect ed together and to gnd which should also be connected t o t h e l c d ? s m e t a l f r a m e . 2 . a l l v dd (power input) pins should be connected together. version 1.4 08 / jul. / 1999 page 7/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification interface connections (cont?d) the backlig ht interface co nne ctor is a model bhsr- 02vs-1, manufactu re d by jst. the mating con n e c to r part n u mbe r i s sm02b -bhss-1-tb o r e quivalent. the pin config uratio n for th e co nne cto r i s sho w n i n th e table below. table 5 backlight connector pin configuration (cn2) p i n s y m b o l d e s c r i p t i o n n o t e s 1 2 hv lv lamp power input ground 1 2 notes: 1. the input power terminal is white 2. the ground terminal is black. 6. signal timing specification version 1.4 08 / jul. / 1999 page 8/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 6.1. interface signal timing this is the characteristics of the interface timi ng parameters. lvds input timing and lcd interface timing diagrams are shown in 7.1 and 7.2 lp141xa-a 1 with lvds transmitter re commen d to conne ct to the displ a y ena b le, ho rizont al sync, ve rtical sync, clock signal from video signal contro ller to input of transmitter simultaneously. i t e m s i g n a l i t e m symbol m i n . t y p . max. unit l v d s c l o c k frequency f cl k i n - 6 5 66.6 m hz ti m i n g peri o d t cl k i n 1 5 1 5 . 4 - n s (not e 1) lvds low t o hi gh t i m e transi t i on t i m e llht - 0.75 1.5 ns lvds hi gh t o low t i m e transi t i on t i m e lhlt - 0.75 1.5 ns set up tim e, serial bits receiver input strobe bit 0 t 0 - 0 . 4 0 0 . 3 n s receiver input strobe bit 1 t 1 1 . 8 2 . 2 2 . 5 n s receiver input strobe bit 2 t 2 4 . 0 4 . 4 4 . 7 n s receiver input strobe bit 3 t 3 6 . 2 6 . 6 6 . 9 n s receiver input strobe bit 4 t 4 8 . 4 8 . 8 9 . 1 n s receiver input strobe bit 5 t 5 1 0 . 6 1 1 1 1 . 3 n s receiver input strobe bit 6 t 6 1 2 . 8 1 3 . 2 1 3 . 5 n s l v d s d e n a l o w w i d t h t wd l 1 0 0 - - t cl k i n tran sim itter ho rizo n t al fro n t po rch t hfp 0 - - t cl k i n input hori zont al b ack porch t hbp 5 - - t cl k i n (not e 2-4) vert i cal front porch t vfp 0 - - t h vertical back porch t vbp 4 - - t h h d frequency t h - 4 8 . 5 55.9 k h z peri o d t h 1 1 0 0 1 3 4 0 - t cl k i n l o w w i d t h t wh l 1 - - t cl k i n v d frequency f v - 6 0 6 2 hz peri o d t v 7 7 2 8 0 9 - t h l o w w i d t h t wv l 0 . 5 - - t h note : 1. measurement is made at panel side fl ex connector with dummy 100 ohm termination. 2. polarities of hd and vd are negative. 3. dena should always be positive polarity. 4. clkin should appear during all invalid period. hd should appear during invalid period of the f r a m e c y c l e . version 1.4 08 / jul. / 1999 page 9/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 7. signal timing wave forms 7.1. lvds timing t clk clkin - vdi ff = 0 v ?0? ?1? clkin + li nk a - li nk a + (a = 0,1,2) p0c2 g0 p0c1 r5 p0c7 r4 p0c6 r3 p0c5 r2 p0c4 r1 p0c3 r0 p0c2 p 0 c 1 p 0 c 7 p1c2 b1 p1c1 b0 p1c7 g5 p1c6 g4 p1c5 g3 p1c4 g2 p1c3 g1 p1c2 p 1 c 1 p 1 c 7 p2c2 dena p 2 c 7 p 2 c 1 p2c2 p2c1 vd p2c7 hd p2c6 b5 p2c5 b4 p2c4 b3 p2c3 b2 li nk 0 li nk 1 li nk 2 t dp 0 vid(h) t dp 1 0v 0.01v t dp 2 vid(l) t dp 3 t dp 4 t dp 5 ty pi cal of al l tim in g in stan ces t dp 6 v in - lhlt llht v in + vid version 1.4 08 / jul. / 1999 page 10/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 7.2 lcd interface timing cl k last data first data 1 0 2 3 i n v a l i d dat a in v a lid data 3 2 1 th = 1 / fh tw dl thbp tw h l t h f p data (r,g,b) dena dena hd tv = 1 / fv tvbp tw v l t v f p dena vd 768 767 4 3 2 1 li ne dat a hd vd version 1.4 08 / jul. / 1999 page 11/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 8. color input data reference the brig htne ss of ea ch p r i m ary col o r(re d, gree n and blue ) is ba se d on the 6-bit gray scale d a ta input for the colo r; the hi g her th e bin a ry input, the brig hter the co lo r. the table b e lo w p r ovide s a ref e re nce for color versus data input. table 6 color data reference input color data c o l o r r e d g r e e n b l u e r 5 r 4 r 3 r 2 r1 r0 g5 g4 g3 g2 g1 g 0 b 5 b 4 b 3 b2 b1 b0 b a sic colors b l ack red(00) green(00) blue(00) 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 red red(63) black red(62) red(61) red(02) red(01) red(00) 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 0 0 0 0 0 0 0 0 0 0 0 0 green green(63) black green(62) green(61) green(02) green(01) green(00) 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 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 blue blue(63) black blue(62) blue(61) blue(02) blue(01) blue(00) 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 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 version 1.4 08 / jul. / 1999 page 12/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 9. pow e r sequence 50ms min 20ms max 40ms max 200ms 10ms max 1 s ec min 10% 10% 10% 10% 10% 10% 90% 90% 0 v 0 v 0 v lam p on signals vdd notes : 1. please avoid floating state of interface signal at invalid period. 2. when the interface signal is in valid, be sure to pull down the power supply for l c d v dd to 0v. version 1.4 08 / jul. / 1999 page 13/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 10. mechanical characteristics the chart b e low p r ovid e s gen eral mech ani cal ch ara c teri stics for the mod e l LP141XA-A1 lcd. the su rface of the lcd ha s an anti-gl ar e coating to minimize refl ection a nd a 3h hard co ating to redu ce scrat c hin g . in addition, th e figure b e lo w is a d e taile d mechani cal dra w ing of the lcd. note that dimen s ion are given for reference purposes only. outside dimensions width 298.5 mm typ. height 227.5 mm typ. thickness 5.8 mm typ. active display area width 285.7 mm h e i g h t 2 1 4 . 3 m m d i a g o n a l 1 4 . 1 i n c h weight 590 g max. < front view> < rear view> version 1.4 08 / jul. / 1999 page 14/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification * t o rq u e : 1 . 3 ~ 1. 5 [ k g f cm ] * m o u n tin g s c r e w d e p t h : 2 . 0 [ m m ] m i n . 2 . 3 [ m m ] m a x . version 1.4 08 / jul. / 1999 page 15/19 11. handling precautions
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification please pay attention to the followings when you use this tft/lcd module with back-light unit. 11.1.mounting preacaution 1)you must mount module using mounting holes a rranged on metal frame sides. be sure to turn off the power when connecting or disconnecting the circuit. 2) note that the polarizers are easily damaged. pay attention not to scratch or press this surface with any hard object. 3) when the lcd surface become dirty, please wipe it off with a soft material. (ie. cotton ball) 4) protect the module from the esd as it may dam age the electronic circuit (c-m os). make certain that treatment person?s body are grounded through wrist bend. 5) do not disassemble the module and be careful not to incur a mechanical shock that might occur d u r i n g installation. it may cause permanent damage. 6) do not leave the module in high temperatures, particularly in areas of high humidity for a long time. 7) the module not be expose to the direct sunlight. 8) avoid contact with water as it may a short circuit within the module. 11.2 operating precaution 1) the spike noise causes the mis-operation of circuits. be lower the spike noise as follows : v d d = 200mv, v1= 200mv( over and under shoot voltage.) 2) response time depends on the temperature. (in lower 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 that brightness is stable after turn on)becomes longer. 4) be careful for condensation at suddern temperature change. condensation make damage to polarizer or electrical contact part. and after fading condensat ion, smear or spot will occur. 5) when fixed pattern are displayed at long times, remnant image is likely to occur. 6) module has high frequency circuit. if you need to shield the electromagnetic noise. please do in y o u r s . 7) when back-light unit is operating, it sounds . if you need to shield the noise, please do in yours. 11.3 electrostatic discharge control since module is composed with electronic ci rcuit, it is not strong to electrostatic discharge. make certain that treatment persons ar e connected to ground through list band etc.. and don?t touch i / f p i n d i r e c t l y . 11.4 precaution for strong light exposure. strong light exposure causes degradation of polarizer and color filter. 11.5 storage when storing module as spares for long time, the following precautions are necessary. 1) store them in a dark place : do not ex pose then to sunlight or fluorescent light. keep the temperature between 5 and 35 at normal humidity. 2) the polarizer surface should not come in contact with any other object. it is recommended that they be stored in the container in which they were shipped. version 1.4 08 / jul. / 1999 page 16/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification 11.6 handling precautions for protection film 1) when the protection film is pealed off, st atic electricity is generated between the film and the polarizer. this film should be pealed off slowly and carefully by people who are electrically grounded and with well ion-blown equipment or in such a condition. etc. 2) the protection film is attached the polarizer with a small amount of glue. if some stress is applied to rub the protection film against the polariz er during the time you peal off the film, the glue is apt to remain more on the polarizer. so pleas e carefully peal off the protection film without rubbing it against the polarizer. 3) when the module with protection film atta ched is stored for long time, sometimes there remains a very small amount of glue still on the pol arizer after the protaction film is pealed off. please refrain from storing the module at the hi gh temperature and high humidity for glue is apt to remain in these condition. 4) the glue may be taken for the modules fa ilure, but you can remove the glue easily. when the glue remains on the polarizer surface or its ve stige is recognized, please wipe them off with absorbent cotton waste or other soft ma terial like chamois soaked with normal-hexane. 12. international standards 12.1. safety ul1950 ?safety of information technology e quipment including electrical business equipment. third edition? underwriters laboratories, inc. 1995 cas c22.2 ?safety of information technology e quipment including electrical business equipment. third edition? canadian standards association, 1995 en 60950 ?safety of information technology equi pment including electrical business equipment.? european committee for electrotechnical standardization(cenelec), 1995 ref. no. en 60950: 1992 + a1: 1993 + a2: 1993 + a3: 1995 e (iec 950: 1991 + a1: 1992 + a2: 1993 + a3: 1995, modified ) 12.2. emc ansi c63.4 ?methods of measurement of radio- noise emissions from low-voltage electrical and electronic equipment in the range of 9khz to 40ghz.? american national standards institute(ansi),1992. c.i.s p.r ?limits and methods of measurement of radio interference characteristics of information technology equipment.? in ternational special committee on radio interference en 55 022 ?limits and methods of measurement of radio interference characteristics of information technology equipment.? european committee for electrotechnical standardization (cenelec),1988 version 1.4 08 / jul. / 1999 page 17/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification . a p p e n d i x a-1 black pattern & alternating verti cal lines by 2 black_white pattern r g b r g b < black > r g b r g b g g b r b r g b r g b r g b g b r g b r g r r b < vertical lines by 2 > a-2 brightness 256 512 768 192 384 576 ( p ixel ) 23 1 45 < measuring point > a-3. 13 spot luminance variat ion measurement locations 6 7 8 2 3 9 1 10 4 5 11 1 2 13 256 512 768 192 384 576 ( li n e s ) 10 m m 10 m m 10m m 10m m version 1.4 08 / jul. / 1999 page 18/19
lg lcd inc. LP141XA-A1 li q uid cr y st al dis p la y product specification a-4 response time the response time is defined as the following fi gure and shall be measured by switching the input signal for ?black? and ?white?. { tr r { tr d { 10 0 90 10 0 ? a?? ??? ? -? ? ? ?? ? ??? ?? ??? a-5 viewing angle 18 0 ?? ??? ? ? xr ? ?? ?? ??? ? ?{ ?? a? ? xl version 1.4 08 / jul. / 1999 page 19/19

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