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| specification for lcd module model no. tm 3 202 4 0a k g w t 1 prepared by: date: checked by : date: verified by : date: approved by: date: tianma microelectronics co., ltd ver . 1.0
1/22 revision record date ver. ref. page revision no. revision items 2/22 1. general specifications: 1 . 1 di s play t y pe: color stn wi th tou ch pa ne l 1.2 display color* 1 : display color: decided by the controller background* 2 : black (red, green, blue dots are off state) 1.3 polarizer mode: transmissive /negative 1.4 viewing angle: 6:00 1.5 driving method: 1/240 duty 1/17 bias 1.6 backlight type: ccfl backlight color: white backlight life: 15000 hrs (min.) 1.7 driver: lh1562f4 1.8 data transfer: 8 bit parallel 1.9 operating temperature: -10----+60 ?? storage temperature: -20----+70 ?? 1.10 power supply voltage: vdd= 5.0v 1.11 lcd operating voltage: vlcd= 23.0v 1.12 outline dimensions: refer to outline drawing on next page 1.13 dot matrix: 320 x 3(rgb) x 240 dots 1.14 dot size: 0.345(r+g+b) ? 0.345(mm 2 ) 1.15 dot pitch: 0.36 ? 0.36 (mm 2 ) 1.16 weight: tbd * 3 * 1 color tone is slightly changed by temperature and driving voltage. * 2 color tone will be changed by backlight. * 3 tbd: to be determined. 4/22 3. lcd module part numbering system tm 320240 a k g w t ic package t: tab temprature range w: wide temperature range backlight type g: transmissive, ccfl backlight lcd type k: color stn mode negative module series module type digits indicating: 320 (rgb) columns x 240 rows t: tianma m: module 5/22 4. circuit block diagram 6/22 5. absolute maximum ratings ta= 25 ?? item symbol min. max. unit remark power supply voltage v dd - v ss -0.3 +6.0 lcd driving voltage v lcd -0.3 +40.0 v operating temperature range t op -10 +60 storage temperature range t st -20 +70 ?? no condensation 7/22 6. electrical specifications and instruction code 6.1 electrical characteristics vss= 0v , ta= 25 ?? item symbol min. typ. max. unit supply voltage (logic) v dd -vss +4.5 +5.0 +5.5 v supply voltage (lcd drive) v lcd - 23.0 - v high v ih ? v dd =5.0 ? 0.8v dd - v dd v input signal voltage low v il ? v dd =5.0 ? 0 - 0.2 v dd v supply current (logic) i dd (v dd - v ss =5.0v) - 1.5 - ma supply current (lcd drive) i ee - 4.5 - ma supply voltage (ccfl drive) v cl (i cl =5.0ma) - 270 350 v rms supply current (ccfl drive) i cl - 5.0 6.3 ma rms frequency (ccfl drive) f cl - 36.6 - khz 8/22 6.2 interface signals 6.2.1 con1 6.2.2 con2 pin no. symbol level description 1 vfl1 ac supply voltage for ccfl 2 nc - no connection 3 vfl2 vss supply voltage for ccfl pin no. symbol level description 1 m h/l input of signal to ac electrify the liquid crystal drive output 2 yd h/l scan start pulse 3 lp h/l display data latch pulse input 4 xck h/l display data shift clock input 5 dispoff h/l h: display on, l: display off 6 vdd +5.0v supply voltage for logic 7 vss 0v ground 8 vee +23v lcd voltage input 9 d7 h/l data bit 7 10 d6 h/l data bit 6 11 d5 h/l data bit 5 12 d4 h/l data bit 4 13 d3 h/l data bit 3 14 d2 h/l data bit 2 15 d1 h/l data bit 1 16 d0 h/l data bit 0 9/22 6.3 interface timing chart 6.3.1 segment mode lp xck di 7 -di 0 e t wlph t ld t r t f t wck t ds t dh t sd t wdl t sl t ls t wckh t wckl t lh last data top data (v ss = v 5 = 0 v, v dd = +5.00.5 v, v 0 = +15.0 to +42.0 v, t opr = e20 to +85 ?c) parameter symbol conditions min. typ. max. unit note shift clock period t wck t r , t f 2 10 ns 50 ns 1 shift clock "h" pulse width t wckh 15 ns shift clock "l" pulse width t wckl 15 ns data setup time t ds 10 ns data hold time t dh 12 ns latch pulse "h" pulse width t wlph 15 ns shift clock rise to latch pulse rise time t ld 0n s shift clock fall to latch pulse fall time t sl 30 ns latch pulse rise to shift clock rise time t ls 25 ns latch pulse fall to shift clock fall time t lh 25 ns enable setup time t s 10 ns input signal rise time output delay time (3) notes : 1. takes the cascade connection into consideration. 2. (t wck e t wckh e t wckl )/2 is maximum in the case of high speed operation. ns50 t r ns50 t f ns 100 t sd s 1.2 t wdl ns30 c l = 15 pf t d s1.2 c l = 15 pf t pd1 , t pd2 s1.2 c l = 15 pf t pd3 input signal fall time output delay time (1) output delay time (2) 2 2 e "l" pulse width e removal time 10/22 6.3.2 common mode lp eio 2 eio 1 e t wlp t wlph t su t h t dl t wdl t sd t r t f fr lp y 1- y 240 e t pd1 t pd2 t pd3 [l/r = "l"] (v ss = v 5 = 0 v, v dd = +2.5 to +5.5 v, v 0 = +15.0 to +42.0 v, t opr = e20 to +85 ?c) parameter symbol conditions min. typ. max. unit shift clock period t wlp t r , t f 2 20 ns 250 ns shift clock "h" pulse width t wlph v dd = +5.00.5 v 15 ns data setup time t su 30 ns data hold time t h 50 ns input signal rise time output delay time (3) ns50 t r ns50 t f ns 100 t sd s 1.2 ns 200 c l = 15 pf t dl s1.2 c l = 15 pf t pd1 , t pd2 s1.2 c l = 15 pf t pd3 input signal fall time output delay time (1) output delay time (2) e "l" pulse width e removal time t wdl 11/22 7. optical characteristics 7.1 optical characteristics v lcd =23v ta=25 ?? item symbol condition min. typ. max. unit | x | y =0 ?? -50 -- +40 viewing angle | y c r 2 | x =0 ?? -40 -- +40 deg contrast ratio c r | x =0 ?? | y =0 ?? - 50 - turn on t on - 150 - response time turn off t off | x =0 ?? | y =0 ?? - 150 - ms y - tbd - cd/m 2 x - tbd - red y | x =0 ?? | y =0 ?? - tbd - y - tbd - cd/m 2 x - tbd - green y | x =0 ?? | y =0 ?? - tbd - y - tbd - cd/m 2 x - tbd - color of cie coord- inate blue y | x =0 ?? | y =0 ?? - tbd - 12/22 7.2 definition of optical characteristics 7.2.1 definition of viewing angle top top bottom bottom 7.2.2 definition of contrast ratio brightness state selected brightness state unselected = b2/b1 = ratio contrast measuring conditions: 1) ambient temperature: 25 ?? ; 2) frame frequency: 64hz 7.2.3 definition of response time turn on time: t on = t d + t r turn off time: t off = t d + t f measuring condition: 1) operating voltage: 23.0v 2) frame frequency: 64hz 13/22 7.3 brightness characteristic item symbol condition min. typ. max. unit brightness bp 58.9 - 79.2 cd/m 2 uniformity ? bp ta=25 ?? 3 ?? 30-80%rh - 75 - % note: 1. the data is measured after ccfl s are turned on for 5 minutes. 2. testing conditions ccfl: v cf = 270 v (ac) lcd: all dots are on (white color) 3. brightness in the center of the lcd panel. 4. definition of uniformity ( ? bp) ? bp = bp (min.) / bp (max.) x 100 (%) bp (max.) = maximum brightness in 9 measurement spots bp (min.) = minimum brightness in 9 measurement spots 14/22 8. reliability 8.1 content of reliability test ta=25 ?? no. test item content of test test condition 1 high temperature storage endurance test applying the high storage temperature for a long time 70 ?? 2 ?? 240h restore 4h at 25 ?? 2 low temperature storage endurance test applying the low storage temperature for a long time -20 ?? 2 ?? 240h restore 4h at 25 ?? 3 high temperature /humidity storage endurance test applying the high temperature and high humidity storage for a long time 60 ?? 2 ?? 90%rh 240h restore 4h at 25 ?? 4 temperature cycle endurance test applying the low and high temperature cycle -20 ????? 25 ????? 70 ????? 25 ?? 30min 5min 30min 5min ??????????????? 1 cycle -20 ?? /70 ?? 10 cycles restore 4h at 25 ?? 5 vibration test (package state) endurance test applying the vibration during transportation 10hz~150hz, 100m/s 2 , 120min 6 shock test (package state) endurance test applying the shock during transportation half- sine wave, 300m/s 2 , 18ms 7 atmospheric pressure test endurance test applying the atmospheric pressure during transportation by air 25kpa 16h restore 2h 15/22 8.2 failure judgment criterion test item no. criterion item 12 3 4 56789 failure judgement criterion basic specification out of the basic specification electrical specification out of the electrical specification mechanical specification out of the mechanical specification optical characteristic out of the optical specification note for test item refer to 8.1 remark basic specification = optical specification + mechanical specification 16/22 9. quality level inspection examination or test at t a =25 ?? (unless otherwise stated) min. max. unit il aql external visual inspection under normal illumination and eyesight condition, the distance between eyes and lcd is 25cm. see appendix a ii major 1.0 minor 2.5 display defects under normal illumination and eyesight condition, display on inspection. see appendix b ii major 1.0 minor 2.5 note: major defects: open segment or common, short, serious damages, leakage miner defects: others sampling standard conforms to gb2828 17/22 10. precautions for use of lcd modules 10.1 handling precautions 10.1.1 the display panel is made of glass. do not subject it to a mechanical shock by dropping it from a high place, etc. 10.1.2 if the display panel is damaged and the liquid crystal substance inside it leaks out, be sure not to get any in your mouth, if the substance comes into contact with your skin or clothes, promptly wash it off using soap and water. 10.1.3 do not apply excessive force to th e display surface or the adjoining areas since this may cause the color tone to vary. 10.1.4 the polarizer covering the display surface of the lcd module is soft and easily scratched. handle this polarizer carefully. 10.1.5 if the display surface is contamin ated, breathe on the surface and gently wipe it with a soft dry cloth. if still not completely clear, moisten cloth with one of the following solvents: ?a isopropyl alcohol ?a ethyl alcohol solvents other than those mentioned above may damage the polarizer. especially, do not use the following: ?a water ?a ketone ?a aromatic solvents 10.1.6 do not attempt to disassemble the lcd module. 10.1.7 if the logic circuit power is off, do not apply the input signals. 10.1.8 to prevent destruction of the elemen ts by static electricity, be careful to maintain an optimum work environment. a. be sure to ground the body when handling the lcd modules. b. tools required for assembly, such as soldering irons, must be properly ground. c. to reduce the amount of static electricity generated, do not conduct assembly and other work under dry conditions. d. the lcd module is coated with a film to protect the display surface. be care when peeling off this protecti ve film since static electricity may be generated. 18/22 10.2 storage precautions 10.2.1 when storing the lcd modules, avoid exposure to direct sunlight or to the light of fluorescent lamps. 10.2.2 the lcd modules should be stored under the storage temperature range. if the lcd modules will be stored for a long time, the recommend condition is: temperature : 0 ?? ?? 40 ?? relatively humidity: ? 80% 10.2.3 the lcd modules should be stored in the room without acid, alkali and harmful gas. 10.3 the lcd modules should be no falling and violent shocking during transportation, and also should avoid excessive press, water, damp and sunshine. 19/22 appendix a inspection items and criteria for appearance defects items contents criteria leakage not permitted rainbow according to the limit specimen wrong polarizer attachment not permitted not counted max. 3 defects allowed polarizer bubble between polarizer and glass <0.3mm 0.3mm ? ? 0.5mm scratches of polarizer according to the limit specimen not counted max. 3 spots allowed x<0.2mm 0.2mm ? x ? 0.5mm black spot (in viewing area) x=(a+b)/2 not counted max. 3 lines allowed black line (in viewing area) a<0.02mm 0.02mm ? a ? 0.05mm b ? 2.0mm max. 3 spots (lines) allowed progressive cracks not permitted 20/22 appendix a inspection item and criteria for appearance defects (continued) items contents criteria a b c ? 3mm ? w/5 ? t / 2 cracks on pads ? 2mm ? w/5 t/2 22/22 appendix b inspection items and criteria for display defects (continued) items content criteria not counted max. 2 defects allowed x ? 0.1mm 0.1mm ? x ? 0.2mm x=(a+b)/2 not counted max. 1 defects allowed a ? 0.1mm 0.1mm ? a ? 0.2mm d>0 max.3 defects allowed transfor- mation of segment max.2 defects allowed 0.8w ? a ? 1.2w a=measured value of width w=nominal value of width |
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