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product specification for tft l l l c c c m m m customer: model no: I2812-7IPT2432A accepted by: approved by: checked by: organized by: approval for specifications only approval for specifications and sample note: 1. version of specifications : 1 2. others: rohs compliment taiwan 1f, #15, lane 75, min chuan e. rd., sec 3, taipei, taiwan. tel +886-2-25175115 fax +886-2-25175099 china 5f dongwu commerical bldg., lanshan rd., north dist rict, hi-tech industrial park, shenzhen, prc. tel + 86-755-86154466 fax +86-755-86154366 korea rm 1201, it mirae tower, 60-21, gasan-dong, geumche on-gu, seoul, 153-801, korea tel + 82-2-2027-5391~2 fax +82-2-2027-5393 i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t O O O I I I ? ? ? ? ? ? ? 2009.12.30 ?? ?? ?? ?? 2009.12.30 ? ? ? ? 2009.12.30 free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 2/21 version date contents 1 2009/12/30 new version free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 3/21 contents 1. mechanical specification 2. absolute maximum ratings 3. electrical characteristics 4. optical characteristics 5. interface 6 66 6 . timing characteristics 7. backlight 8. reliability 9. inspection criteria free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 4/21 1.mechanical specification: item standard value unit display size 2.83 inch module dimension 69.2(h)*50.0(w)*3.7(d) mm active area(lcd) 43.2(w)*57.6(h) mm viewing area(t/p) 44.8(w)*63.1(h) mm number of dots 240(w)*3(rgb)*320(h) dot lcd type tft / transmissive / normal white - viewing direction 12h - driver ili9328 - approx. weight tbd g various color display 262 k luminance 200 cd/m 2 backlight type 4-led parallel backlight color white free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 5/21 mm unit: drawn check approve dwn.no scale: projection: rev: page: date: 1/1 w w f a b c d e r e v i s e d r e c o r d I2812-7IPT2432A 1 of 5 1.0 2009-12-24 ?? p 2 0 0 5 b t 2 8 0 a - 4 p + t e s a # 4 9 7 2 t = 0 . 0 5 m m p 2 0 0 5 b t 2 8 0 a - 4 p + t e s a # 4 9 7 2 t = 0 . 0 5 m m i l l u m i a n t c o . , l t d ? ? free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 6/21 2.absolute maximum ratings: item symbol min. typ. max. unit remark supply voltage for logic v dd -0.3 +4.0 v input voltage v in -0.5 vdd+0.3 v operating temperature t op -10 - +60 - storage temperature t st -20 - +70 - * note: based on vss=0v. 3.electrical characteristics: item symbol condition min. typ. max. unit supply voltage for logic v dd ta=25 2.4 2.8 3.3 v high-level input voltage vihc vdd=2.8v 0.8vdd - vdd low-level input voltage vilc vdd=2.8v -0.3 - 0.2vdd tft gate on voltage v gh vdd=2.8v -- 15 -- - tft gate off voltage v gl vdd=2.8v -- -8 -- v tft common electrode voltage vcomh vdd=2.8v 2.5 - 4.5 vconl vdd=2.8v -2.0 - 0 power supply current for v dd i dd vdd=2.8v - - 7 ma free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 7/21 4. optical characteristics: parameter symbol min. typ. max. unit note transmittance t(%) 5.8 % fig.1 luminance i 180 200 cd/m contrast ratio c/r - 300 response time tr 10 ms fig.3 response time tf 15 ms fig.3 cie color coordinate rx - 0.6457 - - fig.1 ry - 0.3391 - - - gx - 0.3438 - - - gy - 0.6012 - - - bx - 0.1476 - - - by - 0.1110 - - - wx - 0.313 - - - wy - 0.329 - - - *1) viewing angle l - 50 - degree c/r>10 fig.4 r - 50 - u - 60 - d - 55 - free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 8/21 notes : 1. contrast ratio(cr) is defined mathematically as : surface luminance with all wh ite pixels contrast ratio = ------------------------------- --------------------------------------------- surface luminance with all bl ack pixels 2. surface luminance is the center point across the lcd surface 500mm from the surface with all pixels displaying white. for more information see fig 1. 3. response time is the time required for the displ ay to transition from to black(rise time, tr r ) and from black to white(decay time, tr d ). for additional information see fig 3. 4. viewing angle is the angle at which the contrast 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 informa tion see fig 5. 5. optimum contrast is obtained by adjusting the lc d threshold voltage(vth & vsat) fig. 1 optical characteristic measurement equipment and method lcd cell optical stage(x,y) field = 2 bm-7 500 mm < << transmissive mode> transmissive mode> transmissive mode> free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 9/21 fig. 3 the definition of response time the response time is defined as the following figur e and shall be measured by switching the input signal for ?black? and ?white?. 100 90 10 0 % optical response tr tr r d white black black 100 90 10 0 % optical response tr tr r d tr tr r d white black black fig. 2 the definition of vth and vsat 100% 90% 50% 10% 0% transmittance voltage vth vsat free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 10/21 fig. 4 the definition of viewing angle free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 11/21 5. interface: pin no. symbol level description 1~4 ledk 1 ~4 - led light cathode 5 leda - led light anode 6~9 im0 h/l select a mode to interface to an mpu. in spi mode, the im0 pin is used to set the id of device code. im[3:0] interface mode db pins 000* setting disabled - 0010 80-system 16-bit interface db[17:10] db[8:1] 0011 80-system 8-bit interface db[17:10] 010* serial peripheral interface (spi) sdi, sdo 011* setting disabled - 100* setting disabled - 1010 80-system 18-bit interface db[17:0] 1011 80-system 9-bit interface db[17:9] 11** setting disabled - im1 im2 im3 10 reset h/l reset signal 11 vsync h/l frame synchronous signal for rgb inter face operation 12 hsync h/l line synchronous signal for rgb interf ace operation 13 dotclk h/l dot clock signal for rgb interface op eration 14 enable h/l data enable signal for rgb interface operation 15~32 db17~db0 h/l data bus 33 sdo h/l serial data output pin in spi mode 34 sdi h/l serial data input pin in spi mode 35 rd h/l read signal 36 wr/scl h/l write strobe signal in 80-system bus interface oper ation and enables write operation when wr is low. synchronous clock signal (scl) in serial interface operation 37 rs h/l command / data select 38 cs h/l chip selection 39 fmark h/l frame head pulse signal 40 iovcc 1.65~3.3v interface i/o power supply 41 vcc 2.5~3.3v logic regulator power supply 42 vci 2.5~3.3v liquid crystal analog circuit power supply 43 gnd 0v ground 44 x+ - touch panel coordinate in the right side of envisage drawing 45 y+ - touch panel coordinate in the down side of envisage drawing 46 x- - touch panel coordinate in the left side of envisage drawing 47 y- - touch panel coordinate in the up side of en visage drawing free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 12/21 6. timing control: 6.1 i80-system interface timing characteristics normal write mode (iovcc=1.65~3.3v, vcc=2.4~3.3v) item symbol unit min. typ. max. test condition bus cycle time write t cycw ns 100 - - - read t cycr ns 300 - - - write low-level pulse width pw lw ns 50 - 500 - write high-level pulse width pw hw ns 50 - - - read low-level pulse width pw lr ns 150 - - - read high-level pulse width pw hr ns 150 - - write / read rise / fall time t wrr /t wrf ns - - 25 setup time write (rs to ncs, e/nwr) t as ns 10 - - read (rs to ncs, rw/nrd) 5 - - address hold time t ah ns 5 - write data set up time t dsw ns 10 - write data hold time t h ns 15 - read data delay time t ddr ns - 100 read data hold time t dhr ns 5 - free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 13/21 6.2 serial data transfer interface timing character istics (iovcc=1.65~3.3v, vcc=2.4~3.3v) item symbol unit min. typ. max. test condition serial clock cycle time write(received) t scyc s 100 - - read(transmitted) t scyc s 200 - - serial clock high-level pulse width write(received) t sch ns 40 - - read(transmitted) t sch ns 100 - - serial clock low-level pulse width write(received) t scl ns 40 - - read(transmitted) t scl ns 100 - - serial clock rise / fall time t scr, t scr ns - - 5 chip select set up time t csu ns 10 - - chip select hold time t ch ns 50 - - serial input data set up time t sisu ns 20 - - serial input data hold time t sih ns 20 - - serial output data set up time t sod ns - - 100 serial output data hold time t soh ns 5 - - free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 14/21 6.3 rgb interface timing characteristics 18/16-bit bus rgb interface mode (iovcc=1.65~3.3v, vcc=2.4~3.3v) item symbol unit min. typ. max. test condition vsync/hsync setup time t syncs ns 0 - - - enable setup time t ens ns 10 - - - enable hold time t enh ns 10 - - - pd data setup time t pds ns 10 -- - - pd data hold time t pdh ns 40 - - - dotclk high-level pulse width pwdh ns 40 -- - - dotclk low-level pulse width pwdl ns 40 - -- - dotclk cycle time t cycd ns 100 - - - dotclk, vsync, hsync, rise/fall time t rgbr , t rgbf ns - - 25 - free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 15/21 7.backlight: 7.1 standard lamp styles (edge lighting type): the led chips are distributed over the edge light a rea of the illumination unit, which gives the less power consumption: 7.2 the main advantages of the led backlight are as following: the brightness of the backlight can simply be adjus ted. by a resistor or a potentiometer. 7.3 data about led backlight: note: 1.backlight only 2.average luminous intensity of p1-p9 3. uniformity = min(p1~p9)/max(p1~p9) * 100%>80% 7.4 measured method: p1 p2 p3 p4 p5 p6 p7 p8 p9 (effective spatial distribution) hole diameter 1? ; 1 to 9per position measured luminous parameter sym. min. typ. max. unit test condition forward voltage vf - 3.2 3.5 v if=60ma reverse voltage vr - - 5.0 v - forward current if - 60 80 4-chip parallel power consumption - - 192 280 mw if=60ma uniformity(with l/g) - 80% - - % if=60ma color white chip connection 4- chip parallel connection free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 16/21 8.reliability: 8.1 mttf the lcd module shall be designed to meet a minimum mttf value of 50,000 hours with normal condition. (25c in the room without sunligh t; not include lifetime of backlight and touch panel). 8.2 tests no. item condition criterion 1 high temperature operating +70c 240hrs no defect of operational function in room temperature are allowable(235c). leakage current should be below double of initial value. 2 low temperature operating -20c 240hrs 3 high temperature non-operating +80c 240hrs 4 low temperature non-operating -30c 240hrs 5 high temperature / humidity non-operating 60c ; 90%rh ; 240hrs 6 temperature shock operating -20c 70c (30min) (5min) (30min) 50 cycles 7 electro-static discharge hbm : 2kv note 1: test after 24 hours in room temperature(23 5c). note 2: the sampling above is individually for each reliability testing condition. note 3: the color fading of polarizing filter shoul d not care. note 4: all of the reliability testing chamber abov e, is using d.i. water.(min value:1.0 m -cm) note 5: in case of malfunction defect caused by esd damage, if it would be recovered to normal state a fter resetting, it would be judged as a good part. free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 17/21 9.inspection criteria: 9.1 inspection conditions 9.1.1 environmental conditions the environmental conditions for inspection shall b e as follows room temperature : 235c humidity : 5020%rh 9.1.2 the external visual inspection with 1000200 lux fluorescent lamp as the light sou rce, the inspection was in the distance of 30cm or more from the lcd to the in spector's eyes . 9.2 light method 1. inspection is implemented over 30cm vertical dis tance and 30 incidence under 1000200 lux. (as showed below) 2. viewing direction for inspection over 30cm far a nd is 45 against from lcd ( as showed below) 9.3 classification of defects 9.3.1 major defect a major defect refers to a defect that may substant ially degrade usability for product applications. free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 18/21 9.3.2 minor defect a minor defect refers to a defect which is not cons idered to be able substantially degrade the product application or a defect that deviates f rom existing standards almost unrelated to the effective use of the product or its operatio n. notes: if the lcd/lcm?s cosmetic and display perfor mance do not specify in ?inspection criterion?, it should be based on these delivered samples. 9.4 sampling & acceptable quality level inspection item major defect minor defect cosmetic 1.0% 1.5% electrical test 0.4% 0.65% 9.5 definition of inspection area v/a : viewing area a/a : active area active area viewing area outside of viewing area free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 19/21 9.6 items and criteria 9.6.1 visual inspection criterion in cosmetic (1) glass defect glass defect no defect criteria remark 1 dimension (minor) by engineering diagram 2 cracks (major) extensive crack [reject] (2) lcm appearance defect no defect criteria remark 1 round type (minor) spec. permissible q?ty 1. =(l+w)/2, l: length, w: width 2. disregard if out of a.a. Q 0.10mm disregard 0.10mm< Q 0.20mm 3 0.20mm< 0 2 line type (minor) spec. permissible q?ty 1. l: length, w: width 2. disregard if out of a.a. w Q 0.03mm disregard l Q 3.0mm and 0.03mm0.10mm or l>3.0mm 0 3 polarizer dent (minor) spec. permissible q?ty 1. =(l+w)/2 , l: length, w: width 2. disregard if out of a.a. Q 0.20mm disregard 0.20mm< Q 0.30mm 2 0.30mm< Q 0.50mm 1 0.50mm< 0 free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 20/21 (3) fpc no defect criteria remark 1 copper peeling (minor) copper peeling [reject] (4) black tape no defect criteria remark 1 copper peeling (minor) copper peeling [reject] 2 no black tape (minor) no black tape [reject] (5) silicon no defect criteria remark 1 amount of silicon (minor) ito exposed [reject] 9.6.2 visual inspection criterion in electrical dis play no defect criteria remark 1 no display (major) not allowed 2 missing line (major) not allowed 3 darker or lighter line (major) not allowed 4 weak line (minor) by limited sample 5 bright / dark point (minor) spec. permissible q?ty 1:1sub-pixel: 1r or 1g or 1b 2:point defect area R 1/2 sub pixel. bright point 1 dark point 2 free datasheet http:///
i i i l l l l l l u u u m m m i i i n n n a a a n n n t t t I2812-7IPT2432A 21/21 no defect criteria remark 6 round type (minor) spec. permissible q?ty 1. =(l+w)/2 , l:length, w: width 2. disregard if out of a.a. Q 0.10mm disregard 0.10mm< Q 0.20mm 3 0.20mm< 0 7 line type (minor) spec. permissible q?ty 1. l: length, w: width 2. disregard if out of a.a. w Q 0.03mm disregard l Q 3.0mm and 0.03mm0.10mm or l>3.0mm 0 8 mura (minor) by 5% nd filter invisible 9.6.3 others 1. issues that are not defined in this document sha ll be discussed and agreed with both parties. ( customer and supplier) 2. unless otherwise agreed upon in writing, the cri teria shall be applied to both parties. (customer and supplier) free datasheet http:///

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