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c c h h u u n n g g h h w w a a p p i i c c t t u u r r e e t t u u b b e e s s , , l l t t d d . . technical specification to : date : accepted by: approved by checked by prepared by ??33 ?bq?s \g prepared by : tft-lcd product planning management division chunghwa pictuer tubes, ltd. 1127 hopin rd., padeh, taoyuan, taiwan 334, r.o.c. tel: +886-3-3675151 fax: +886-3-377-3001 doc.no: CLAA141WB02 issue date: tft lcd CLAA141WB02
cpt chunghwa pictures tubes, ltd., cpt confidential 1/24 claa 141wb02 record of revisions ver. date page description v1 2006/03/27 -- final.
cpt chunghwa pictures tubes, ltd., cpt confidential 2/24 claa 141wb02 contents no. item page 1 overview 4 2 absolute maximum ratings 5 3 electrical characteristics 6 4 connector interface pin & function 9 5 interface timing chart 10 6 block diagram 14 7 mechanical specification 15 8 optical characteristics 16 9 reliability test conditions 19 10 handling precautions for tft-lcd module 20 11 visual inspection specification 22
cpt chunghwa pictures tubes, ltd., cpt confidential 3/24 claa 141wb02 1. overview CLAA141WB02 (with lvds interface) is 14.1" color tft-lcd (thin film transistor liquid crystal display) module composed of lcd panel , driver ics , control circuit , and backlight. by applying 6 bits digital data, 1280800, 262k color images are displayed on the 14.1" diagonal screen. input power voltage is single 3.3v for lcd driving. inverter for backlight is not included in this module. general specifications are summarized in the following table: item specification display area(mm) 303.744(h) x 189.84.(v) (14.1-inch diagonal) number of pixels 1280 x 3(h) x 800(v) pixel pitch(mm) 0.2373(h) x 0.2373(v) color pixel arrangement rgb vertical stripe display mode normally white tn number of colors 262144 colors optimum viewing angle 6 o?clock brightness(cd/m 2 ) 200 (5 point average),lamp current 6ma(typ) power consumption(w) 5.8w (typ) module size(mm) 319.5x205.5x5.5(max) module weight(g) 440(max) backlight unit ccfl , 1 tube surface treatment anti-glare type ; hardness: 3h [note] ?g sign "( )" means tentative value. the lcd products listed on this document are not suitable for use of aerospace equipment, submarine cables, nuclear reactor control system and life support systems. if customers intend to use these lcd products for above application or not listed in "standard" as follows, please contact our sales people in advance. standard: computer, office equipment, communication equipment, test and measurement equipment, machine tool, industrial robot, audio and visual equipment, other consumer products.
cpt chunghwa pictures tubes, ltd., cpt confidential 4/24 claa 141wb02- 2. absolute maximum ratings item symbol min. max. unit remark power supply voltage for lcd vcc -0.3 4.0 v lvds input voltage vin -0.3 vcc+0.3 v vesdt -250 250 v static electricity *1) vesdc -15 15 kv *1) icc rush current *2) i rush -- 2 a *2) operation temperature *3) top 0 50 j *3)*4) storage temperature *3) tstg -20 60 j *3)*4) starting lamp voltage v sl 0 1180 v [note] ?g *1) test condition ?g iec 1000-4-2 , vesdt ?g contact discharge to input connector vesdc ?g contact discharge to module *2) measure with below circuit, if vcc rise time increase then i rush decrease. vin ( lcd input) 12v 3.3v c1 1uf r1 47k q1 q2 r2 1k c2 10000pf r3 47k c3 1uf crl signal *3) humidity 85% rh. without condensation. ?? 90% 10 20 30 40 50 60 70 80 0 -20 0 10 20 30 40 50 dry bulb temperature [c] wet bulb temperature [c] storage operatio n humidity [(%)rh] 10% 40% 60% % vin 0.9vin 0.1vin gnd 550 g s
cpt chunghwa pictures tubes, ltd., cpt confidential 5/24 claa 141wb02 3. electrical characteristics (a) tft lcd ta = 25 j item symbol min typ max unit remark power supply voltage for lcd vcc 3.0 3.3 3.6 v power supply current for lcd *1) icc - 340 380 ma icc rush current *2) i rush 1.5 a input voltage vin 0 - vcc v common mode voltage vcm 1.125 1.25 1.375 v differential input voltage |vid| 250 350 450 mv threshold voltage(high) vth - - 100 mv logic input voltage threshold voltage(low) vtl -100 - - mv when vcm = + 1.2v tolerance of vid ? vid - - 35 mv tolerance of vcm ? vcm - - 35 mv [note] ?g *1)power supply current is in gray0 ?? 63pattern and operation frequency is 71.1mhz (fv=60hz) . *2)vin rise time is 550sec [note 1] vcc=3.3v z vcc turn on conditions : 1 ?? t1 10ms ?? 500 ms t5 ?? 0 ?? t2 50 ms 300 ms t6 ???? 0 ?? t3 50 ms 300 ms t7 ???? 0 ?? t4 10 ms ?? data t1 t2 t3 3.0v 3.0v 0.3v vin=3.3v 0.3v 0.3v t4 t5 lcd power supply logic signal t6 t7 backlight power supply vl data: rgb data, dclk, hd, vd, dena z vcc dip conditions : 1 ?^ when 2.7v vcc<3.0v, td 10 ???? ms 2 ?^ when vcc<2.7v vcc dip conditions should follow vcc turn on conditions.
cpt chunghwa pictures tubes, ltd., cpt confidential 6/24 claa 141wb02 td 2.7v 3.0v vin=3.3v [note 2] z typical value is measured when displaying horizontal gray scale line pattern 0~63 gray level 800 line mode vcc = +3.3v fclkin=71.1mhz(fv=60hz) [note 3] z lvds signal definition : lvds receiver vin+ vin- 100 [ vin- vin+ vcm vcm+ vih- vil- vih+ vil+ vid vid = vin + - vin- ? vcm = | vcm + - vcm- | ? vid = | vid + - vid- | vid + = | vih + - vih- | vid- = | vil + - vil- | vcm = ( vin + - vin- ) / 2 vcm + = ( vih + - vih- ) / 2 vcm- = ( vil + - vil- ) / 2 vin + = positive differential data & clk input vin- = negative differential data & clk input
cpt chunghwa pictures tubes, ltd., cpt confidential 7/24 claa 141wb02 (b) back light ststem ta=25 j item symbol min typ max unit lamp voltage vl - 650 - v lamp current *1) il 3.0 6.0 6.5 ma inverter frequency *3) fi 50 - 60 khz lamp life time *2) life l 15,000 - - hr ta = 0 j *4) - 1420 starting lamp voltage ta = 25 j vs - 1180 v [note 1] *1) lamp current measurement method ( the current meter is inserted in cold line) standard inverter : sumida iv11145t/ab2-lf , typical luminance = 200 cd/m 2 (5 point). the time that module luminance reduced to 50% of initial value . base on vs = (1180) v , ta = 25c, il=6.0 ma continuous. [note 2] lamp frequency of inverter may produce interference with horizontal synchronous frequency,and this may cause horizontal beat on the display.therefore,please adjust lamp frequency,and keep inverter as far from module as possible or use electronic shielding between inverter and module to avoid the interference. the degrees of unbalance: less than 10% the ratio of wave height: less than 2 10% the degrees of umbalance = ip-i-p /irms*100(%) the ratio of wave height = ip(or i-p)/irms ip: lamp current high side peak, i-p: lamp current low side peak lcd module - + a inverter power supply i p i- p
cpt chunghwa pictures tubes, ltd., cpt confidential 8/24 claa 141wb02 4. interface connection (a) cn1(interface signal) ? connector type : fi-xb30sl-hf10 (jae) fi-x30hl (jae,row type) ?b fi-x30c2el(jae,coaxial type) pin symbol function 1 vss ground 2 vcc +3.3v 3 vcc +3.3v 4 v_edid ddc 3.3v power 5 bist panel bist test 6 clk_edid ddc clock 7 data_edid ddc data 8 r0m lvds receiver signal(-)?channel 0 9 r0p lvds receiver signal(+)?channel 0 10 ground ground 11 r1m lvds receiver signal(-)?channel 1 12 r1p lvds receiver signal(+)?channel 1 13 ground ground 14 r2m lvds receiver signal(-)?channel 2 15 r2p lvds receiver signal(+)?channel 2 16 ground ground 17 rclkm lvds clock signal(-) 18 rclkp lvds clock signal(+) 19 ground ground 20 nc no connect (open) 21 nc vcom test provided , but customer-end unused ; no connect (open) 22 nc no connect (open) 23 nc no connect (open) 24 nc no connect (open) 25 nc no connect (open) 26 nc no connect (open) 27 nc no connect (open) 28 nc no connect (open) 29 nc no connect (open) 30 nc no connect (open) note ?g pin5 bist function ?g 0(low) mean normal operation ?a 1(high) mean bist mode enable (b) cn2 (backlight) z backlight-side connector: bhsr-02vs-1 (jst) z inverter-side connector: sm02b-bhss-1(jst) pin no. symbol function 1 cth vblh (high voltage) 2 ctl vbll (low voltage) [note] vblh-vbll = vl
cpt chunghwa pictures tubes, ltd., cpt confidential 9/24 claa 141wb02 5. input signal timing (a). lvds (rx) input signal timing chart r1 r0 g0 r5 r4 r3 r2 r1 r0 g0 g2 g1 b1 b0 g5 g4 g3 g2 g1 b1 b3 b2 dena vd hd b5 b4 b3 b2 dena rin0 rin1 rin2 tdp0 tdp1 tdp2 tdp3 tdp4 tdp5 tdp6 vid(h) vid(l) 0v 0.01v t n v in- v in+ vid 20% 80% 80% 20% llht lhlt vid = vin + - vin- typical of all timing instances tclk = 1/fclk clk- clk+ rin a+ rin a- (a=0,1,2) " 1" " 0 " vdiff = 0v clk (differential) (b)lcd (tx) input signal timing chart: (rx output)
cpt chunghwa pictures tubes, ltd., cpt confidential 10/24 claa 141wb02 z horizontal timing: z vertical timing (c) timing specifications dcl k first data 2 3 data (r,g, b) 1 1279 1280 invalid data invalid data last data t ha t hb dena t h t clk t vb den a t va invalid data line data 1 2 799 800 3 invalid t v
cpt chunghwa pictures tubes, ltd., cpt confidential 11/24 claa 141wb02 vcc=3.3v ?a ta=25 j item symbol min typ max unit clk frequency fclkin 62.83 71.11 80.42 mhz clk period tclkin 12.43 14.06 15.92 ns lvds high to low transition time tlvt ?x 0.75 1.5 ns lvds low to high transition time tlvt ?x 0.75 1.5 ns strobe position of bit 0 tdp0 -0.4 0 0.4 ns strobe position of bit 1 tdp1 t/7-0.4 t/7 t/7+0.4 ns strobe position of bit 2 tdp2 2t/7-0.4 2t/7 2t/7+0.4 ns strobe position of bit 3 tdp3 3t/7-0.4 3t/7 3t/7+0.4 ns strobe position of bit 4 tdp4 4t/7-0.4 4t/7 4t/7+0.4 ns strobe position of bit 5 tdp5 5t/7-0.4 5t/7 5t/7+0.4 ns lvds input timing strobe position of bit 6 f=71.1mhz tdp6 6t/7-0.4 6t/7 6t/7+0.4 ns total t h 1400 1440 1480 tclk active t ha 1280 1280 1280 tclk horizonta blank t hb 120 160 200 tclk frame rate fv 55 60 65 hz tatol t v 816 823 836 t h active t va 800 800 800 t h lcd input signal ( lvds tx input , rx output ) dena ve r t i c a l blank t vb 16 23 36 t h [note] 1 ?^ data is latched at fall edge of dclk in this specification. 2 ?^ dena (data enable) should always be positive polarity as shown in the timing specification. 3 ?^ clkin should appear during all invalid period. 4 ?^ t(period) = 1/f
cpt chunghwa pictures tubes, ltd., cpt confidential 12/24 claa 141wb02 (d) color data definition r data g data b data r5 r4 r3 r2 r1 r0 g5 g4 g3 g2 g1 g0 b5 b4 b3 b2 b1 b0 color input data msb lsb msb lsb msb lsb black 0 00 0 0 0000000000 0 0 0 red(63) 1 11 1 1 1000000000 0 0 0 green(63) 0 00 0 0 0111111000 0 0 0 blue(63) 0 00 0 0 0000000111 1 1 1 cyan 0 00 0 0 0111111111 1 1 1 magenta 1 11 1 1 1000000111 1 1 1 yellow 1 11 1 1 1111111000 0 0 0 basic color white 1 11 1 1 1111111111 1 1 1 red(0) 0 00 0 0 0000000000 0 0 0 red(1) 0 00 0 0 1000000000 0 0 0 red(2) 0 00 0 1 0000000000 0 0 0 red(62) 1 11 1 1 0000000000 0 0 0 red red(63) 1 11 1 1 1000000000 0 0 0 green(0) 0 00 0 0 0000000000 0 0 0 green(1) 0 00 0 0 0000001000 0 0 0 green(2) 0 00 0 0 0000010000 0 0 0 green(62) 0 00 0 0 0111110000 0 0 0 green green(63) 0 0 0 0 0 0 111111000 0 0 0 blue(0) 0 00 0 0 0000000000 0 0 0 blue(1) 0 00 0 0 0000000000 0 0 1 blue(2) 0 00 0 0 0000000000 0 1 0 blue(62) 0 00 0 0 0000000111 1 1 0 blue blue(63) 0 00 0 0 0000000111 1 1 1 [note] (1) definition of gray scale: color(n) : n means level of gray scale . bigger n means brighter level. (2)data : 1= high , 0 = low
cpt chunghwa pictures tubes, ltd., cpt confidential 13/24 claa 141wb02 6. block diagram i/f connector cn1 (lvds receiver embedded) asic gate drivers power supply circuit tft-lcd g1 g2 g800 source drivers power timing signal display data s3839 s3840 s1 s2 1 2 cn2 dc-ac inverter lightt control inverter circuit (out side) 1 2 ccfl back light cn2
cpt chunghwa pictures tubes, ltd., cpt confidential 14/24 claa 141wb02 7. mechanical specification (1) front side [unit ?g mm] [note] undefined tolerances to be 0.5 mm
cpt chunghwa pictures tubes, ltd., cpt confidential 15/24 claa 141wb02 (2) rear side [unit ?g mm] [note] undefined tolerances to be 0.5 mm bhsr-02vs-1 ?] jst ?^
cpt chunghwa pictures tubes, ltd., cpt confidential 16/24 claa 141wb02 8. optical characteristics ta=25 j item symbol condition min typ max unit contrast cr *1) 300 350 -- -- 5p luminance l *3) i l = 6 ma 160 200 -- cd/m 2 5p luminance uniformity ? l *4) -- -- 25 % tr -- 5 ms response time tf *6) -- 11 20 ms horizontal *2) -35~35 -40 ~ 40 -- view angle vertical *2) *2)cr ? 10 -35~15 -40 ~ 20 -- crosstalk ratio cmr *7) -- -- 1 % image sticking tis *8) -- -- 2 s red x y 0.559 0.296 0.589 0.326 0.619 0.356 green x y 0.285 0.510 0.315 0.540 0.345 0.570 blue x y 0.123 0.095 0.153 0.125 0.183 0.155 color temperature coordinate white x y = ?a 0 x 0.285 0.300 0.315 0.330 0.345 0.360 -- [note] these items are measured using bm-5a(topcon)under th e dark room condition( no ambient light) after more than 30 minutes from turning on the lamp unless noted. condition: il=6.0 ma, inverter frequency=50khz. inverter ?g sumida iv11145t/ab2-lf definition of these measurement items are as follows: (1)definition of contrast ratio ?g cr=on(white)luminance/ off(black)luminance (2)definition of luminance and luminance uniformity ?g measure white luminance on the below center(1) ?a 5 point(1,2,3,4.5) 5 and 13 point uniformity ?g ? l = [(l max - l min )/l min ]100%
cpt chunghwa pictures tubes, ltd., cpt confidential 17/24 claa 141wb02 (3)definition of viewing angle( , r ) (4)definition of response time (5)definition of contrast ratio uniformity ? cr = [cr(max) / cr(min) - 1] x 100 (6)definition of luminance uniformity ? l = [l(max) / l(min)-1] x 100 upper(+) c r right(+) left(-) lcd panel lower(-)
cpt chunghwa pictures tubes, ltd., cpt confidential 18/24 claa 141wb02 (7) definition of cross talk modulation ratio ctr= max(( | (lb1-la)/lc | ) ?? 100, ( | (lb2-la)/lc | ) ?? 100) la ?g pattern a(half-tone pattern) measure point luminance lb1,lb2 ?g pattern b1 ?b pattern b2 measure point luminance lc ?g pattern c(white pattern) measure point luminance (8)definition of image sticking continuously display the test pattern shown in the figure below for two-hours. then display a completely white screen. the previous image shall not persist more than two seconds at 25 . j black (320, 200) (960,600) half - tone half - tone white (1120,400) white half - tone (640,700) pattern b1 pattern a pattern c pattern b2 measure point white areas black lines gate address 398-402 source address 638-642
cpt chunghwa pictures tubes, ltd., cpt confidential 19/24 claa 141wb02 9. reliability test conditions (1) temperature and humidity test items conditions high temperature operation 50 ,2 j 50h high temperature storage 65 ,2 j 50h low temperature operation 0 ,2 j 50h low temperature storage -25 ,2 j 50h high temperature high humidity operation 40 ? , 95 h rh ,250h high temperature high humidity storage 60 , 90%rh(max), 48h j thermal shock(no operation) between -25 ( j 0.5h)and 65 ( j 0.5h),100 cycles (2) shock & vibration items conditions shock (non-operation) z shock level: 1980 m/s 2 (200g) z waveform: half sinusoidal wave, 2ms z number of shocks: one shock input in each direction of three mutually perpendicular axes for a total of six shock inputs. vibration (non-operation) z vibration level: 14.7 m/s 2 (1.5g) , sinusoidal wave, perpendicular axis(each x,y,z axis: 0.5hr , z frequency range: 10 to 500 hz z sweep speed : 0.5 octave / min (3) esd test items conditions esd z contact mode ?g 200pf, 0 ? , 250v to i/f connector pins z air mode ?g 150pf, 330 ? , 15kv to lcd glass and metal bezel note:test position(1)lcd glass and metal bezel (2)i/f connector pins (4)judgment standard the judgment of the above test should be made as follow: pass: normal display image with no obvious non-uniformity and no line defect. partial transformation of the module parts should be ignored. fail: no display image, obvious non-uniformity, or line defects.
cpt chunghwa pictures tubes, ltd., cpt confidential 20/24 claa 141wb02 10. handling precautions for tft-lcd module please pay attention to the followings in handling- tft-lcd products; 10.1 assembly precaution (1) please use the mounting hole on the module side in installing and do not beading or wrenching lcd in assembling. and please do not drop, bend or twist lcd module in handling. (2) please design display housing in accordance with the following guidelines. ? housing case must be destined carefully so as not to put stresses on lcd all sides and not to wrench module. the stresses may cause non-uniformity even if there is no non-uniformity statically. ? keep sufficient clearance between lcd module back surface and housing when the lcd module is mounted. approximately 1.0 mm of the clearance in the design is recommended taking into account the tolerance of lcd module thickness and mounting structure height on the housing. ? when some parts, such as, fpc cable and ferrite plate, are installed underneath the lcd module, still sufficient clearance is required, such as 0.5mm. this clearance is, especially, to be reconsidered when the additional parts are implemented for emi countermeasure. ? design the inverter location and connector position carefully so as not to give stress to lamp cable, or not to interface the lcd module by the lamp cable. ? keep sufficient clearance between lcd module and the others parts, such as inverter and speaker so as not to interface the lcd module. approximately 1.0mm of the clearance in the design is recommended. (3) please do not push or scratch lcd panel surface with any-thing hard. and do not soil lcd panel surface by touching with bare hands. ( polarizer film, surface of lcd panel is easy to be flawed.) (4) please do not press any parts on the rear side such as source tcp, gate tcp, control circuit board and fpcs during handling lcd module. if pressing rear part is unavoidable, handle the lcd module with care not to damage them. (5) please wipe out lcd panel surface with absorbent cotton or soft clothe in case of it being soiled. (6) please wipe out drops of adhesives like saliva and water on lcd panel surface immediately. they might damage to cause panel surface variation and color change. (7) please do not take a lcd module to pieces and reconstruct it. resolving and reconstructing modules may cause them not to work well. (8) please do not touch metal frames with bare hands and soiled gloves. a color change of the metal frames can happen during a long preservation of soiled lcd modules. (9) please pay attention to handling lead wire of backlight so that it is not tugged in connecting with inverter. 10.2 operating precautions (1) please be sure to turn off the power supply before connecting and disconnecting signal input cable. (2) please do not change variable resistance settings in lcd module. they are adjusted to the most suitable value. if they are changed, it might happen lcd does not satisfy the characteristics specification. (3) please consider that lcd backlight takes longer time to become stable of radiation characteristics in low temperature than in room temperature. (4) a condensation might happen on the surface and inside of lcd module in case of sudden change of ambient temperature. (5) please pay attention to displaying the same pattern for very long time. image might stick on lcd. if then, time going on can make lcd work well. (6) please obey the same caution descriptions as ones that need to pay attention to ordinary electronic parts.
cpt chunghwa pictures tubes, ltd., cpt confidential 21/24 claa 141wb02 10.3 precautions with electrostatics (1) this lcd module use cmos-ic on circuit board and tft-lcd panel, and so it is easy to be affected by electrostatics. please be careful with electrostatics by the way of your body connecting to the ground and so on. (2) please remove protection film very slowly on th e surface of lcd module to prevent from electrostatics occurrence. 10.4 storage precautions (1) when you store lcds for a long time, it is recommended to keep the temperature between 0 j ~40 j without the exposure of sunlight and to keep the humidity less than 90%rh. (2) please do not leave the lcds in the environment of high humidity and high temperature such as 60 j 90%rh. (3) please do not leave the lcds in the environment of low temperature; below -20 j . 10.5 safety precautions (1) when you waste lcds, it is recommended to crush damaged or unnecessary lcds into pieces and wash them off with solvents such as acetone and ethanol, which should later be burned. (2) if any liquid leaks out of a damaged-glass cell and comes in contact with the hands, wash off thoroughly with soap and water. 10.6 others (1) a strong incident light into lcd panel might cause display characteristics' changing inferior because of polarizer film, color filter, and other materials beco ming inferior. please do not expose lcd module direct sunlight land strong uv rays. (2) please pay attention to a panel side of lcd module not to contact with other materials in preserving it alone. (3) for the packaging box, please pay attention to the followings: ? packaging box and inner case for lcd are designed to protect the lcds from the damage or scratching during transportation. please do not open except picking lcds up from the box. ? please do not pile them up more than 3 boxes. (they are not designed so.) and please do not turn over. ? please handle packaging box with care not to give them sudden shock and vibrations. and also please do not throw them up. ? packing box and inner case for lcds are made of cardboard. so please pay attention not to get them wet. (such like keeping them in high humidity or wet place can occur getting them wet.)
cpt chunghwa pictures tubes, ltd., cpt confidential 22/24 claa 141wb02- 11. visual inspection specification 11.1 inspection condition: (1) viewing distance is approximately 35 ~ 40 cm. (2) viewing angle is normal to the lcd panel as figure below(10). (3) ambient temperature is approximately 25 5 j . (4) ambient humidity is 60 5% rh. (5) ambient illumination is from 300 ~ 500 lux. (6) input signal timing should be typical value. 11.2 special condition (1) viewing distance is close for inspection of adjacent dots and distance between defect dots. (2) viewing condition of ? shot block non-uniformity from oblique angle? is as figure below. (3) exceptional case: view angle 40 while inspected image-sticking.
cpt chunghwa pictures tubes, ltd., cpt confidential 23/24 claa 141wb02 11.3 inspection criteria defect type limit note scratch 0.01mm ?? w ?? 0.05mm l ?? 10mm n ?? 4 -- spot 0.15mm ??p?? 0.5mm n ?? 4 *1) fiber w ?? 1.0mm, l ?? 1.5mm n ?? 4 *1) polarizer bubble 0.15mm ??p?? 0.5mm n ?? 4 *1) visual defect internal total n ?? 8 -- bright dot n ?? 4 *2) dark dot n ?? 5 -- total dot n ?? 6 *2) two adjacent dot ?? 2 pairs *3) three adjacent dot ?? 1 pairs four or more adjacent dot not allowed -- two bright dots ? 15mm *4) bright dot and dark dot ? 10mm *4) distance between defect dot two dark dots ? 10mm *4) line defect not allowed -- electrical defect mura ?? 5% nd filter ? one pixel consists of 3 sub-pixels, including r,g, and b dot.(sub-pixel = dot) [note] *1) w : width[mm], l : length[mm], n : number, p : average diameter
cpt chunghwa pictures tubes, ltd., cpt confidential 24/24 claa 141wb02 *2) bright dot is defined through 5% transmission nd filter as following. *3) judge the defect dot and adjacent dot as following. allow below (as a, b, c and d status) adjacent defect dots, including bright and dart adjacent dot. and they will be counted 2 defect dots in total quantity. the adjacent b status be not allow. *4) definition of distance between defect dot as following.

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