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messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 1 / 40 liquid crystal display module model: MTF-TQ35SN721-AV customer?s no.: acceptance microtips technology inc. 12f. no.31 lane 169, kang ning st., his-chih, taipei hsien, taiwan fax: 886-2-26958625 approved and checked by approved by checked by made by ? 2007/06/08 ? 2007/06/08 ? ? 2007/06/08 ? wLc 2007/06/08
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 2 / 40 revise records rev. date contents written approved a 2007/06/08 initial release sherry chen steele lee special notes note1. note2. note3. note4. note5.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 3 / 40 contents 1. general description and features .................................................................. 5 1.1 features ........................................................................................................................... 5 1.2 general specifications .................................................................................................... 5 2. block diagram ........................................................................................................... 6 2.1 tft-lcd module (interface system structure) with back light unit ......................... 6 3. input terminal pin assignment .......................................................................... 7 3.1 cn1 pin assignment (lcd) ........................................................................................... 7 4. optical characteristics ........................................................................................ 9 5. absolute maximum ratings ............................................................................... 12 5.1 absolute ratings of environment ................................................................................ 12 5.2 electrical absolute rating ............................................................................................. 13 6. electrical characteristics ................................................................................. 14 6.1 dc electrical characteristics ........................................................................................ 14 7. operation specifications ................................................................................... 17 7.1 timing controller timing chart ................................................................................... 17 7.2 spi timing characteristics ................................................................................. 19 8. sp1 register description ...................................................................................... 20 8.1 command list ............................................................................................................... 20 8.2 power on/off sequence ........................................................................................... 24 9. backlight specifications ................................................................................................ 25 9.1 absolute maximum ratings ......................................................................................... 25 9.2 electrical/operating characteristics ............................................................................ 25 9.3 electrical circuit of backlight ....................................................................................... 25 10. basic display color and gray scale ............................................................. 26 11. quality standard for lcd ................................................................................. 27 11.1 objective ....................................................................................................................... 27 11.2 scope ............................................................................................................................. 27 11.3 inspection specification ................................................................................................ 29 12. reliability condition for lcd .......................................................................... 34 12.1 lcm reliability test ...................................................................................................... 34 13. precautions ............................................................................................................... 36 13.1 operation ...................................................................................................................... 36 13.2 safety ............................................................................................................................. 36 13.3 rhandling ...................................................................................................................... 36 13.4 static electricity ............................................................................................................. 38 13.5 storage ........................................................................................................................... 38
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 4 / 40 13.6 cleaning ......................................................................................................................... 38 13.7 waste ............................................................................................................................. 38 14. warranty .................................................................................................................... 39 15. dimensional outlines .......................................................................................... 40
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 5 / 40 1. general description and features MTF-TQ35SN721-AV is a tm (transmissi ve) type color active matrix tf t (thin film transistor) liquid crystal display (lcd) that uses am orphous silicon tft as a switching devices. this model is composed of a tft-lcd module, a driver circuit and a back- light unit. the resolution of a 3.5" contains 320rgbx240 dots and can display up to 16.7m colors. the following ta ble described the features of MTF-TQ35SN721-AV. 1.1 features - support 24-bit data (rgb) or ccir656/ccir 601 8 bit format or 8 bit serial rgb. - support low power control mode (stand by mole) - up and down scan capability 1.2 general specifications item specification unit note screen size 3.5 diagonel inch -- display resolution 320 x rgb x 240 dot -- dot pitch 0.073 (w) x 0.219 (h) mm -- active area 70.08 (w) x 52.56 (h) mm -- outline dimension 77.8 (w) x 64.5 (h) x 3.04 (t) mm (1) display mode normally white/transmissive -- -- pixel arrangement rgb-strip -- -- surface treatment anti-glare (ag) -- -- weight 34 g -- viewing direction 6 o?clock -- -- input interface digital 24-bits parallel rgb -- -- operation -20 ~ +70 -- temperature range storage -30 ~ +80 -- note (1) not include fpc
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 6 / 40 2. block diagram 2.1 tft-lcd module (interface system structure) with back light unit tft - lcd 320 ( r . g . b ) x 240 dots gate driver source driver / t-con system interface dclk spena vgh vss den vdd vcom vgh / vgl vcc / vdd ckt leda1 ledk1 leda2 ledk2 vcom ckt reset pol vsync hsync vcc vgl spclk spdat gnd data [23:0]
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 7 / 40 3. input terminal pin assignment 3.1 cn1 pin assignment (lcd) pin no. symbol i/o function remark 1 led k1 i backlight led ground 2 led k2 i backlight led ground 3 led a1 i backlight led power (10.2v/20ma) 4 led a2 i backlight led power (10.2v/20ma) 5 n/c -- not connection 6 reset i hardware reset 7 pol o polarity signal connect to vcom driving circuit note 1 8 nc -- not connection 9 nc -- not connection 10 nc -- not connection 11 nc -- not connection 12 b0 i blue data bit 0 13 b1 i blue data bit 1 14 b2 i blue data bit 2 15 b3 i blue data bit 3 16 b4 i blue data bit 4 17 b5 i blue data bit 5 18 b6 i blue data bit 6 19 b7 i blue data bit 7 20 g0 i green data bit0 21 g1 i green data bit1 22 g2 i green data bit2 23 g3 i green data bit3 24 g4 i green data bit4 25 g5 i green data bit5 26 g6 i green data bit6 27 g7 i green data bit7 28 r0 i red data bit0
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 8 / 40 29 r1 i red data bit1 30 r2 i red data bit2 31 r3 i red data bit3 32 r4 i red data bit4 33 r5 i red data bit5 34 r6 i red data bit6 35 r7 i red data bit7 36 h sync i horizontal sync input 37 v sync i vertical sync input 38 d clk i dot data clock 39 v dd i analog power 40 v dd i analog power 41 v cc i digital power 42 v cc i digital power 43 sp ena i spi interface data enable signal 44 n/c -- not connection 45 v gl i gate off power 46 n/c -- not connection 47 v gh i gate on power 48 nc -- not connection 49 sp clk i spi interface data clock 50 sp dat i spi interface data 51 vcom i driving input note 1 52 den i data enable input 53 agnd i analog ground 54 dgnd i digital ground note 1. the polarity of vcom (pin 51) sh ould be generated from pol (pin 7).
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 9 / 40 4. optical characteristics the following items are measured under stable co nditions. the optical characteristics should be measured in a dark room or equivalent state with the methods shown in note (1). (ta=25 2c , vcc = v ci =3.3v, i f 40ma) item symbol condition min type max unit note transmittance t (%) -- -- 8.3 -- -- note1 brightness (with tft surface) -- -- (200) (250) -- cd/m 2 note2 rise t r -- 15 30 ms response time fall t f =0 -- 30 50 ms note3 contrast ratio cr at optimized viewing angle 150 200 -- -- note4 r x 0.566 0.596 0.626 red r y 0.315 0.345 0.375 -- g x 0.287 0.317 0.347 green g y 0.542 0.572 0.602 -- b x 0.106 0.136 0.166 blue b y 0.147 0.177 0.207 -- wx 0.284 0.314 0.344 color chromaticity white wy =0 normal viewing angle 0.330 0.360 0.390 -- -- r 50 60 -- hor. l 50 60 -- b 40 50 -- viewing angle (6h) ver. f cr 10 50 60 -- degree note5 led life time 25 c ll i l=20ma -- (40000) -- hour note6 note1 : definition of transmittance (t%) t = aperture ratio (tft) x w y (cf) note2 : test equipment setup after stabilizing and leaving the panel alon e at a given temperature for 30 min., the measurement should be execute d. measurement should be ex ecuted in a stable, windless, and dark room. 30 min. after lighting the back-li ght. this should be measured in the center of screen. back-light current: 20*2=40ma environment condition : 1. ta=25 2 c 2. illuminations Q 1 lux
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 10 / 40 lcd panel photodetecor tft - lcd module the center of the screen field bm-5a : 50cm bm-7 50cm pr-650 : 50cm photodetecor field pr-650 1 o bm-5a bm-7 1 o 1 o note3 : definition of re sponse time: tr and tf the response time is defined as the following figure and shall be measured by switching the input signal for ?black? and ?white?. note4 : definition of contrast ratio: brightness measured when lcd is at ?white state? contrast ratio (cr) = ???????????????????????? brightness measured when lcd is at ?black state? tr t f 100 90 10 0 % optical res p onse white black white
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 11 / 40 note5 : measured at the center area of the pane l when all the input terminals of lcd panel are electrically opened. view angle l r normal line = 0 6 o'clock f = 27 0 3 o'clock r = 0 9 o'clock l = 180 12 o'clock = 90 : viewing angle : viewing direction f note6 : this is the reference value. the white-led life time is defined as a time when brightness not to become under 50% of the original value (at ta=25 c)
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 12 / 40 5. absolute maximum ratings 5.1 absolute ratings of environment if the operating condition exceed s the following absolute maximum ratings, the tft lcd module may be damaged permanently. (ta=25 2c, v ss =gnd=0) item symbol min. max. unit note storage temperature t stg -30 80 c (1) operating temperature (ambient temperature) t opr -20 70 c (1), (2) note (1) 95 % rh max. ( 40 c ta ) maximum wet-bulb temperature at 39 c or less. (ta > 40 c) no condensation. (2) in case of below 0, the response time of liquid crystal (lc) becomes slower and the color of panel becomes darker than normal one. level of retardation depends on temperature, because of lc's character -20 -30 30 60 30 60 90 80 0 c 70 0 c 70 0 c 0 c 40 15% 95% relative humidity (%rh) 90% 10% storage range operating range 80
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 13 / 40 5.2 electrical absolute rating 5.2.1 tft-lcd module (ta=25 2c, v ss =gnd=0) value item symbol min. max. unit condition v dd -0.3 +7.0 v av ss =0 v cc -0.3 +7.0 v gnd=0 v gh -0.3 +32.0 v gnd=0 v gl -22.0 +0.3 v gnd=0 power voltage v gh -v gl -0.3 +45 v gnd=0 5.2.2 back-light unit (ta=25 2c) item symbol min. max. unit note current i f -- 40 ma (1) note (1) permanent damage to the device may o ccur if maximum values are exceeded or reverse voltage is loaded. functional operation should be restricted to the conditions described under normal operating conditions.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 14 / 40 6. electrical characteristics 6.1 dc electrical characteristics (ta=25 2c) value item symbol min. typ. max. unit condition digital power supply v cc 3.0 3.3 3.6 v -- digital operating current i cc -- 6.0 -- ma -- analog power supply v dd 3.8 5.0 5.5 v -- analog operating current i dd -- 5.0 -- ma -- gate on power v gh -- 15 -- v -- gate off power v gl -- -10 -- v -- gate on current i gh -- 50 -- a -- gate off current i gl -- 50 -- a -- vcomac -- 5 -- v -- vcom vcomad -- 1.1 -- v -- frame frequency fframe -- 60 90 hz --
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 15 / 40 6.1.1.1 digital parallel rgb interface (960x240 resolution) parameter symbol min. typ. max. unit clk period tosc -- 156 -- ns data setup time tsu 12 -- -- ns data hold time thd 12 -- -- ns ihs period th -- 408 -- tosc ihs pulse width ths 5 30 -- tosc ihs rising time tcr 12 -- -- ns ihs falling time tcf 12 -- -- ns ivs pulse width tvs 1 3 5 th ivs rising time tvr 12 -- -- ns ivs falling time tvf 12 -- -- s ntsc tvse -- 18 -- th ivs-den time pal tvse -- 26 -- th ihs-den time the 36 68 88 tosc den pulse width tep -- 320 -- tosc den-sth time tdes -- 1 -- tosc ntsc -- -- 262.5 -- th ivs period pal -- -- 312.5 -- th note: when sync mode is used, 1st data start from 68th clk after ihs falling. 6.1.1.2 hardware reset timing parameter symbol min. typ. max. unit resetb low pulse width trsb 10 -- -- ns stb setup time tstb 20 -- -- ns
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 16 / 40 6.1.2 output signal characteristic s for digital input signal parameter symbol min. typ. max. unit rising time tr -- -- 10 ns falling time tf -- -- 10 ns internal sth setup time tsus 12 -- -- ns internal sth hold time thds 12 -- -- ns internal data setup time tsud 60 -- -- ns internal data hold time thdd 40 -- -- ns oeh pulse width toeh -- 1248 -- ns oev pulse width toev -- 4992 -- ns ckv pulse width tckv -- 3744 -- ns ihs-oeh time t1 -- 4368 -- ns ihs-ckv time t2 -- 2496 -- ns ihs-oev time t3 -- 624 -- ns stv setup time tsuv -- 1872 -- ns stv pulse width tstv -- 1 -- th ntsc tvs1 -- 19 -- th ivs-stv time pal tvs1 -- 27 -- th oeh-stv time toes -- 2 -- th output settling time tst -- 12 20 s
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 17 / 40 7. operation specifications 7.1 timing controller timing chart 7.1.1 clock and data waveform 7.1.2 digital/analog rgb timing waveform 7.1.2.1 ihs and horizontal control timing waveform
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 18 / 40 7.1.2.2 ihs and vertical shift clock timing waveform 7.1.2.3 ihs and vertical control timing waveform
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 19 / 40 7.2 spi timing characteristics parameter symbol min. typ. max. unit spck period tck 60 -- -- ns spck high width tckh 30 -- -- ns spck low width tckl 30 -- -- ns data setup time tsu1 12 -- -- ns data hold time thd1 12 -- -- ns spena to spck setup time tcs 20 -- -- ns spena to spda hold time tce 20 -- -- ns spena high pulse width tcd 50 -- -- ns spda output latency tcr -- 1/2 -- tck
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 20 / 40 8. sp1 register description 8.1 command list
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 21 / 40
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 22 / 40
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 23 / 40
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 24 / 40 8.2 power on/off sequence to prevent the device from damage due to latch up, the power on/off sequence shown below must be followed. when power on: vdd vgl vgh when power off: vgh vgl vdd
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 25 / 40 9. backlight specifications 9.1 absolute maximum ratings ta = 25 c parameter symbol maximun rating units forward current i f 40 ma reverse voltage v r 20 v led power dissipation p d 256 mw operating temperature t opr -20~+70 storage temperature t stg -30~+80 9.2 electrical/operating characteristics ta = 25 c parameter symbol min. typ. max. units test condition forward voltage(vled1\vled2) v f 9.0 10.2 11.4 v led (1+2) current i l -- 20+20 -- ma luminance of backlight surface l 2800 -- -- cd/m 2 uniformity* -- 75 -- -- % x 0.27 0.30 0.32 -- chromaticity coordinates y 0.27 0.31 0.33 -- ta=25 ip=40ma *uniformity = (min./max.) x 100% 9.3 electrical circuit of backlight a1-k1 9.0~11.4v 20ma a2-k2 9.0~11.4v 20ma
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 26 / 40 10. basic display color and gray scale data signal color & gray scale r5 r4 r3 r2 r1 r0 g5 g4 g3 g2 g1 g0 b5 b4 b3 b2 b1 b0 black 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 red(0) 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 green(0) 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 blue(0) 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 cyan 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 magenta 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 yellow 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 basic color white 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 black 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 red(62) 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 red(61) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 : : : : : : : : : : : : : : : : : : : red(31) 1 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 : : : : : : : : : : : : : : : : : : : red(1) 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 red red(0) 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 0 black 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 green(62) 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 green(61) 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 : : : : : : : : : : : : : : : : : : : green(31) 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 1 1 1 : : : : : : : : : : : : : : : : : : : green(1) 1 1 1 1 1 1 0 0 0 0 0 1 1 1 1 1 1 1 green green(0) 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 black 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 blue(62) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 blue(61) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 : : : : : : : : : : : : : : : : : : : blue(31) 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 : : : : : : : : : : : : : : : : : : : blue(1) 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 1 blue blue(0) 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 : low level voltage, 1 :high level voltage each basic color can be displayed in 64 gray scales from 6 bit data signals. with the combination of total 18 bit data signals, the 262,144-color disp lay can be achieved on the screen.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 27 / 40 11. quality standard for lcd 11.1 objective this specification book is the standard for lcd modul e general inspection. and also this book will be r efer to customer approval specification. 11.2 scope this specification book is applicable to general lcd module. if supplier has any doubt or requirement, then it can be discussed. 11.2.1 acceptable quality level i nspection s ampling p rocedures a.q.l major mil-std-105e inspection level ii normal inspection single sample inspection 1 minor mil-std-105e inspection level ii normal inspection single sample inspection 1.5 major defect : a major defect is a defect that could result in failure or extremely reduction on the usability of the product for its intended purpose. minor defect : a minor defect is one that does not materia lly reduce the usability of the product for its intended purple or is a departure from establis hed standards giving no significant bearing on the effective use or operation of the unit. 11.2.2 inspection conditions 11.2.2.1 the environmental conditions for inspection shall be as follows - room temperature : 2510c - humidity temperature : 4520%rh 11.2.3 the external visual inspection - the inspection shall be performed by using 40watts fluorescent lamp for illumination and the distance between lcd and eyes of th e inspector shall be 30cm or more.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 28 / 40 11.2.4 inspection item pinhole, bright spot, black spot, white spot, black line, white line, foreign particle, bubble the color of a small area is different from the remainder. the phenomenon dose not change with voltage. contrast variation the color of a small area is different from the remainder. the phenomenon change with voltage. glass defect glass crack, chip operating function, contrast, uniformity, components 11.2.5 definition of the area b b a a r r e e a a a area a area: viewing area b area: out of viewing area
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 29 / 40 11.3 inspection specification 11.3.1 non-operating inspection specification acceptable q?ty class of defects no. inspection item criteria of defects zone a zone b 1. circuit short major 1 circuits 2. circuit open 0 0 a 0.1 * b 0.1 < < 0.2 3 c 0.2 < 0.3 1 d 0.3 0 total defect point (b,c) 3 ignore 2 black spot, white spot, bright spot, foreign particle * reject when 5 or more spots are gathered within 5mm circle. a w 0.02 - * b 0.02 < w 0.05 l 5 2 c 0.05 < w 0.1 l 3 2 d 0.1 < w - 0 total defect point (b,c) 3 ignore 3 black line, white line * reject when 5 or more spots are gathered within 5mm circle. a 0.3 ignore b 0.3 < 0.4 2 c 0.4 < 0.5 1 d 0.5 < 0 ignore 4 contrast variation total defect point (b,c) 3 1. pin hole a 0.15 ignore b 0.15 < 0.2 2 (*) 0.2 < 0 ignore * two pin hole shall not formed in the single dot 2. excess, void a a 0.2and b 0.2 ignore minor 5 pattern deformity = (a+b)/2 b 0.2 < a or 0.2 < b0 ignore a b = (a+b)/2 a b = (a+b)/2 b a b a b a w l
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 30 / 40 a bright dot 0 b dark dot 1 ignore 6 dot defect * this inspection item does not apply to b/w lcd a 0.3 ignore b 0.3 < 0.5 2 7 bubble between polarizer and panel c 0.5 < 0 ignore circular : same as inspection item no.2 8 polarizer scratch and particle linear : same as inspection item no.3 ignore a 0.2 ignore b 0.2 < 0.3 2 c 0.3 < 0.4 1 d 0.4 < 0 ignore 9 polarizer dent total defect point (b,c) 3 10 bubble in the cell any size 0 0 11 dirt on polarizer dirt which can be wiped easily should be accepted. 12 protection film the protection film should not be stripped up to viewing area and the peeled off angle should not exceed 20 degrees. 13 polarizer shift 1. shifting in position should not exceed the glass outline dimension. 2. incomplete covering of the viewing area due to shifting is not allowed. 3. shifting in position should be within the tolerance (refer to module dimensional drawing) 14 silicon 1. silicon must cover all circuits. 2. silicon thickness should be within specification (refer to module dimensional drawing) minor 15 tape 1. location: refer to specification. 2. insufficient adhesive. 16 tcp, fpc defect film or pattern should not have crack. major 17 components missing co mponents not allowed.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 31 / 40 class of defects no. inspection item criteria of defects major 18 progressive crack reject any progressive crack. 19 the front lead terminals a t b 1 c 7.0 * glass crack should not cover alignment mark 20 the rear of lead terminal a t b 1 c 7.0 minor 21 short glass side a t c 7.0 b < inner border line of the each
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 32 / 40 * condition of item 2~9 1. distance between defects must be more than 10mm with light on, more than 15mm with light off. 2. total acceptable defect number - defects with light on : 6 points - defects with light off : 4 points - total defect point : 6 points 3. regarding the defect distance and tota l acceptable defect number, above 2-a, 3- a should be neglected. *condition of item 19 ~ 23 1. total acceptable defect number: 4 class of defects no. inspection item criteria of defects 22 progressive crack reject any progressive crack. major 23 corner a t b 3.0 c 3.0 * glass crack should not cover patterns used for recognition and assembly, alignment mark and patterns.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 33 / 40 class of defects no. inspection item criteria of defects 1 no display -- 2 abnormal operation -- 3 contrast defect judge according to module specification. establish boundary sample if required. 4 viewing angle defect judge according to module specification. establish boundary sample if required. 5 excess power consumption judge a ccording to module specification. 6 back-light, led defect 1. no lit-on 2. different color 3. low brightness major 7 speaker, vibrator defect 1. no operation 2. abnormal operation 8 cross-talk defect no noticeable crosstalk. establish boundary sample if required. 9 uneven brightness no noticeable unevenness allowed. establish boundary sample if required. 10 uneven color no noticeable unevenness allowed. establish boundary sample if required. minor 11 spot, pinhole, foreign particle, line same as in chapter 7.1
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 34 / 40 12. reliability condition for lcd 12.1 lcm reliability test 12.1.1 reliability test condition no. tft item condition test time note 1 v high temp. operating 70 c 240 hrs -- 2 v low temp. operating -20 c 240 hrs -- 3 v high temp. storage 80 c 240 hrs -- 4 v low temp. storage -30 c 240 hrs -- 5 v high temp / high humidity storage t = 60 c /90%. for (but no condensation dew) 24 hrs -- 6 v high temp/ high humidity operating t = 40 c /90% for (but no condensation dew) 240 hrs -- 7 v thermal shock -30 +25 +80 ,50 cycle 30min 5min 30min -- -- 12.1.2 operating test pattern no. items test pattern 1 test pattern in driving condition 1. full red 2. full green 3. full blue 4. gradation (horizontal) 5. gradation (vertical) 6. character (111111) 7. full white 8. full black 9. black line (horizontal) 10. black line (vertical) 11. mosaic (1x1) the test pattern is changed 1sec. the same pattern are repeated. 2 black square black window and white background
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 35 / 40 12.1.3 test method the method of visual inspection is equal to th e appearance standard. e valuation and assessment made two hours after return to room temperature (25 5 c). the lcds subjected to the test must not have dew condensation. the test pattern is gray scale and the operating voltage sweep from vth to vsat variable. the non-uniformity and other appearance are checked in lcd. 12.1.4 result evaluation criteria there should be no change which might affect the practical display function when the display quality test is conducted unde r normal operating condition. 12.1.5 life time life time expectancy of lcd panel is approx imately 50,000 hours under the room environment. definition on the termination of life time is de terioration of contrast ratio by one fifth against initial value. 12.1.6 basic rule for reliability test * place all the samples under room temperature & humidity for 24 hours after reliability stressing. * room environment means 25+/-10c, 45+/-20%rh * there should be no condensation during the test. * one lcd module shall be used for one test item only and once. 12.1.7 judgment criteria for reliability test no. 1-2 * contrast (or brightness) ratio variation is within 50% of the initial value. * no abnormal function * no extreme decay on appearance 12.1.8 life time display (lcd module) : life time expect ancy of lcd panel is approximately 50,000 hours under the room environment.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 36 / 40 13. precautions 13.1 operation burn-in sometimes happens when the same character was displayed at along time. therefore, to prevent burn-in, it is reco mmended to set up a screen-saver function. 13.2 safety the liquid crystal in the lcd is poisonous, do no t put it in your mouth. if the liquid crystal to uches your skin or clothes, wash it off immediately using soap and water. 13.3 rhandling a. the lcd module shall be installed flat, without twisting or bending. b. cof or fpc has narrow pattern width, so easily become open circuit by external force. do not apply pressure to cof or fpc especially in bending area. c. to avoid damage in appearance or malfunction, do not subject the module to mechanical shock or to excessive force on its surface. d. the polarizer attached to the display is very easy to damage, handle it with care to avoid scratching. e. to avoid contaminat ion on the display surface, do not touch the display surface with bare hands. f. provide a space so that the lcd module does not come into contact with other components.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 37 / 40 g. to protect the lcd panel from external pressure, put covering gl ass (acrylic board or similar board) to keep appropriate space between them. h. be careful for condensation at sudden temperature change. condensation makes damage to polarizer or electrical contacted parts. and after fading condensation, smear or spot will occur. i. property of semiconductor devices may be affected when they are exposed to light possibly resulting in malfunctioning of the ics. to prevent such malfunctioning of the ics, your design and mounting layout done are so that the ic is not exposed to light in actual use. j. strong light exposure causes degradation of color filter. it may not recover k. do not contact with water to avoid metal corrosion. l. when it is not in use, the screen must be turned off or the pattern must be frequently changed by a screen saver. if it displays the same pattern for a long period of time, brightness down/image sticking may develop due to the lcd structure. m. never disassemble lcd product under any circumstances. if unqualified operators or users assemble the product after disassembling it, it may not function or its operation may be seriously affected.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 38 / 40 13.4 static electricity since a module is composed of electronic circuits, it is not strong to electrostatic discharge. a. the lcd module shall be installed flat, without twisting or bending. ground soldering iron tips, t ools and testers when they operate. b. ground your body when handling the products. c. do not apply voltage to the input terminal without applying power supply. d. do not apply voltage that exceeds the absolute maximum rating. e. store the products in an anti-electrostatic container. f. peel off protect tape, attached to polarizer, slowly to minimize esd damage. 13.5 storage store the products in a dark place at +5 ~ +25 degree c, low humidity (50%rh or less). do not store the products in an atmosphere containing organic solven ts or corrosive gases. 13.6 cleaning a. do not wipe the polarizer with dry cloth, as it might cause scratch. b. wipe the polarizer with a soft cloth soaked with petroleum ipa, other chemical might damage. 13.7 waste when dispose of lcd module, manage it at the production waste according to the relevant laws and regulations.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 39 / 40 14. warranty this product has been manufactured to your comp any?s specifications as a part for use in your company?s general electronic pro ducts. it is guaranteed to perform according to delivery specifications. for any other use apart from general electronic equipment, we cannot take responsibility if the product is used in medical devices, nuclear pow er control equipment, aerospace equipment, fire and security systems, or any other a pplications in which there is a direct risk to human life and where extremely high levels of reliability ar e required. if the product is to be used in any of the above applications, we will need to enter into a separate product liability agreement. 1 we cannot accept responsibility for any defect, which may arise from additional manufacturing of the product (including disassembly an d reassembly), after product delivery. 2 we cannot accept responsibility for any defect, wh ich may arise after the application of strong external force to the product. 3 we cannot accept responsibility for any defect, wh ich may arise due to the application of static electricity after the product has passed your company?s acceptance inspection procedures. 4 we cannot accept responsibility fo r industrial property, which may arise through the use of your product, with exception to those issues relati ng directly to the structure or method of manufacturing of our product. microtips-origin lo nger than one year from microtips production.
messrs. rev. no. issued date. page. product specification for only model: MTF-TQ35SN721-AV a jun 08, 07 40 / 40 15. dimensional outlines

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