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DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 1/17 optrex type no. ******* march 27, 1997 first edition final revision quality assurance div. production div. checked by checked by approved by production div. design engineering div. prepared by lcd module specification table of contents 1. general specifications .............................................................................2 2. electrical specifications...........................................................................3 3. optical specifications ..............................................................................8 4. i/o terminal...........................................................................................10 5. test..........................................................................................................12 6. appearance standards............................................................................13 7. code system of production lot ..........................................................16 8. type number .........................................................................................16 9. applying precautions .............................................................................16 10. handling precautions .............................................................................17 revision history rev. date page comment
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 2/17 optrex 1.general specifications operating temp. min. 0 max. 50 storage temp. min. -20 max. 60 dot pixels 128 (w) 64 (h) dots dot size 0.40 (w) 0.56 (h) mm dot pitch 0.44 (w) 0.60 (h) mm viewing area 62.0 (w) 44.0 (h) mm outline dimensions 95.0 (w) 58.0 (h) 15.5 max. (d) mm lcd type ntd-7496 ( stn / yellow-mode / transmissive ) viewing angle 6:00 data transfer serial data transfer backlight led backlight / yellow-green drawings dimensional outline ue-34641d
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 3/17 optrex 2.electrical specifications 2.1.absolute maximum ratings v ss =0v parameter symbol conditions min. max. units supply voltage (logic) v dd -v ss -0.3 7.0 v supply voltage (lcd drive) v dd -v ee 0 30.0 v input voltage v i -0.3 v dd +0.3 v 2.2.dc characteristics ta=25 , v ss =0v parameter symbol conditions min. typ. max. units supply voltage (logic) v dd -v ss 4.5 5.5 v supply voltage (lcd drive) v dd -v ee shown in 3.1 v high level input voltage v ih v dd =5.0v 10% v dd -0.8 v dd v low level input voltage v il v dd =5.0v 10% 0 0.8 v high level output voltage v oh i oh =-0.5ma v dd -0.3 v dd v low level output voltage v ol i ol =0.5ma 0 0.3 v supply current i dd v dd -v ss =5.0v 1.0 1.5 ma i ee v dd -v ee =13.2v 0.8 1.2 ma
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 4/17 optrex 2.3.ac characteristics v dd =5.0v 10% parameter symbol min. max. units clock pulse high level width t cwh 95 ns clock pulse low level width t cwl 95 ns clock pulse rise/fall time t r, t f 30 ns latch pulse high level width t lw 40 ns latch pulse rise time t lrp 20 ns latch pulse fall time t lfp 40 ns data setup time t dsu 20 ns data hold time t dhd 40 ns frame data setup time t fds 30 ns frame data hold time t fdh 50 ns t r t f t dsu t fdh t fds t dhd t lrp t cwl cp2 t lfp cp1 t cwh flm d1 t lw
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 5/17 optrex 2.4.timing chart 2.5.comparison of display and data t=0.223ms typ. 64 t flm (reduction) (reduction) cp1 flm m d1 cp2 cp1 #1 data seg seg seg seg seg seg seg seg 128 127 2 1128 127 2 1 seg1 seg128 #1 #64 d1 d1 top view d1 d1 d1 d1
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 6/17 optrex 2.6.power supply on/off sequence 2.6.1.on sequence 2.6.2.off sequence please maintain the above sequence when turning on and off the power supply of the module. if v ee is supplied to the module while alternate signal for lcd driving (m) is unstable, dc component will be supplied to the lcd panel. this may cause damage the lcd module. vee vss vss vdd vss vdd vee vdd 0 Q t 0 Q t signal signal level vdd vee vss vss vdd vss vdd vee vdd 0 Q t 0 Q t signal signal level vdd
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 7/17 optrex 2.7.lighting specifications 2.7.1.absolute maximum ratings ta=25 parameter symbol conditions min. typ. max. units foward current i f note 1 200 ma reverse voltage v r 16 v led power dissipation p d 1.7 w note 1 : refer to the foward current derating curve. 2.7.2.operating characteristics ta=25 parameter symbol conditions min. typ. max. units foward voltage v f i f = 100ma 7.6 8.2 8.8 v luminance of backlight surface l i f = 100ma 60 cd/ O 50 25 0 ta ( ) 50 200 if ( ma )
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 8/17 optrex 3.optical specifications 3.1.lcd driving voltage parameter symbol conditions min. typ. max. units recommended ta= 0 15.4 v lcd driving voltage v dd -v ee ta=25 12.3 13.2 14.1 v note 1 ta=50 10.9 v note 1 : voltage (applied actual waveform to lcd module) for the best contrast. the range of minimum and maximum shows tolerance of the operating voltage. the specified contrast ratio and response time are not guaranteed over the entire range. 3.2.optical characteristics ta=25 , 1/64 duty, 1/9 bias, v d =13.2v (note 4), = 0 ? , = ? parameter symbol conditions min. typ. max. units contrast ratio note 1 cr = 0 ? , = ? 7 viewing angle shown in 3.3 response rise note 2 r 160 240 ms time decay note 3 d 160 240 ms note 1 : contrast ratio is definded as follows. cr = l off / l on l on : luminance of the on segments l off : luminance of the off segments note 2 : the time that the luminance level reaches 90% of the saturation level from 0% when on signal is applied. note 3 : the time that the luminance level reaches 10% of the saturation level from 100% when off signal is applied. note 4 : definition of driving voltage v d assuming that the typical driving waveforms shown below are applied to the lcd panel at 1/a duty - 1/b bias ( a : duty number, b : bias number ). driving voltage v d is definded as follows. v d = (vth1+vth2) / 2 vth1 : the voltage v o-p that should provide 50% of the satulation level in the luminance at the segment which the on signal is applied to. vth2 : the voltage v o-p that should provide 50% of the satulation level in the luminance at the segment which the off signal is applied to. v o-p 1 / f f ( b-2 ) v o-p / b 1 / ( f f a ) off signal on signal
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 9/17 optrex 3.3.definition of viewing angle and optimum viewing area ? point shows the point where contrast ratio is measured. : = 0 ? , = ? ? driving condition : 1/64 duty, 1/9 bias, v d =13.2v, f f =70hz ? area shows typ. cr R 2 3.4.system block diagram 0 ? 90 ? 180 ? 270 ? 270 ? 135 ? 315 ? 225 ? 45 ? 180 ? 90 ? ( = 0 ? 10 20 30 40 50 halogen bulb computer rotation table ( , ) temperature chamber lcd optical fiber waveform generator control unit & #1980a wb photometer
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 10/17 optrex 4.i/o terminal 4.1.pin assignment cn1 no. symbol level function 1 flm h / l first line marker 2 cp1 h l data latch signal 3 cp2 h l clock signal for shifting data 4 m h / l alternate signal for lcd drive 5 d1 h / l display data 6 v dd D power supply for logic 7 v ss D power supply (0v, gnd) 8 v ee D power supply for lcd drive cn2 no. symbol level function 1 led: a led anode terminal 2 led: c led cathode terminal 4.2.example of power supply it is recommended to apply a potentiometer for the contrast adjust due to the tolerance of the driving voltage and its temperature dependence. vss module vee vdd vee (-voltage) vdd (+voltage) tr=2sa1202 or equivalent r1+r2+vr=10 20k vss (0v) r2 r1 vr tr
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 11/17 optrex 4.3.block diagram led: c led: a vee vss vdd d1 cp2 flm cp1, m or equivalent t6a40 1 row driver t6a39 2 column driver l c d p 128 64 fg 2 128 64 dots to lsi bias circuit led backlight or equivalent 2
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 12/17 optrex 5.test no change on display and in operation under the following test condition. no. parameter conditions notes 1 high temperature operating 50 2 , 96hrs (operation state) 2 low temperature operating 0 2 , 96hrs (operation state) 3 3 high temperature storage 60 2 , 96hrs 4 4 low temperature storage -20 2 , 96hrs 3, 4 5 damp proof test 40 2 , 90 95%rh, 96hrs 3, 4 6 vibration test total fixed amplitude : 1.5mm 5 vibration frequency : 10 55hz one cycle 60 seconds to 3 directions of x, y, z for each 15 minutes 7 shock test to be measured after dropping from 60cm high on the concrete surface in packing state. note 1 : unless otherwise specified, tests will be conducted under the following condition. temperature : 20 5 humidity : 65 5% note 2 : unless otherwise specified, tests will be not conducted under functioning state. note 3 : no dew condensation to be observed. note 4 : the function test shall be conducted after 4 hours storage at the normal temperature and humidity after removed from the test chamber. note 5 : vibration test will be conducted to the product itself without putting it in a container. e a g d c f 60cm concrete surface dropping method corner dropping e,f,g face : once b,c,d edge : once a corner : once face dropping edge dropping b
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 13/17 optrex 6.appearance standards 6.1.inspection conditions the lcd shall be inspected under 40w white fluorescent light. the distance between the eyes and the sample shall be more than 30cm. all directions for inspecting the sample should be within 45 ? against perpendicular line. 6.2.definition of applicable zones a zone : active display area b zone : area from outside of "a zone" to validity viewing area c zone : rest parts a zone + b zone = validity viewing area a zone b zone c zone bezel flame 45 ?
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 14/17 optrex 6.3.standards no. parameter criteria 1 black and (1) round shape white spots, zone acceptable number foreign substances dimension (mm) a b c d Q 0.1 * * * 0.1 d Q 0.2 5 5 * 0.2 d Q 0.3 0 1 * 0.3 d 0 0 * d = ( long + short ) / 2 * : disregard (2) line shape zone acceptable number x(mm) y(mm) a b c 0.02 R w * * * 2.0 R l 0.03 R w 3 3 * 1.0 R l 0.04 R w 1 2 * 1.0 R l 0.05 R w 0 2 * 0.05 w in the same way (1) x : length y : width * : disregard total defects shall not exceed 5. 2 air bubbles (between glass zone acceptable number & polarizer) dimension (mm) a b c d Q 0.15 * * * 0.15 d Q 0.3 2 3 * 0.3 d Q 0.5 1 2 * 0.5 d Q 1.0 0 1 * * : disregard total defects shall not exceed 3.
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 15/17 optrex no. parameter criteria 3 the shape of dot (1) dot shape (with dent) as per the sketch of left hand. (2) dot shape (with projection) should not be connected to next dot. (3) pin hole (x+y) / 2 Q 0.2mm (less than 0.1mm is no counted.) total defects shall not exceed 5. 4 polarizer scratches not to be conspicuous defects. 5 polarizer dirts if the stains are removed easily from lcdp surface, the module is not defective. 6 color variation not to be conspicuous defects. 0.15 R y x
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 16/17 optrex 7.code system of production lot the production lot of module is specified as follows : factory number factory code (alphabet) production week (1 5) production month (1 9, x, y, z) production year (lower 2 digits) 8.type number the type number of module is specified on the back of module as follows : stamp etching or printing 9.applying precautions please contact us when questions and/or new problems not specified in this specifications arise.
DMF-50202NY-LY (ad) no.97-0075 optrex corporation page 17/17 optrex 10.handling precautions operex products are designed for use in ordinary electronic devices such as business machines, telecommunications equipment, measurement devices and etc.. optrex products are not designed, intended, or authorized for use in any application in which the failure of the product could result in a situation where personal injury or death may occur. these applications include, but are not limited to, life-sustaining equipment, nuclear control devices, aerospace equipment, devices related to hazardous or flammable materials, etc. (if buyer intends to purchase or use the optrex products for such unintended or unauthorized applications, buyer must secure prior written consent to such use by a responsible officer of optrex corporation.) should buyer purchase or use optrex products for any such unintended or unauthorized application (without such consent), buyer shall indemnify and hold optrex and its officers, employees, subsidiaries, affiliates and distributors harmless against all claims, costs, damages and expenses, and reasonable attorney's fees, arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that optrex was negligent regarding the design or manufacture of the part. 1) lcd may be broken because it is made of glass. 2) polarizer is a soft material and can easily be scratched. 3) please avoid static electricity. please be sure to ground human body and electric appliances during work. it is preferable to use conductive mat on table and wear cotton clothes or conduction processed fiber. synthetic fiber is not recommended. please slowly peel off protective film, because static electricity may be charged. 4) if it is necessary to store lcd modules for a long time, please comply with the following procedures. if storage condition is not satisfactory, display (especially polarizer) may be deteriorated or soldering i/o terminals may become difficult (some oxide is generated at i/o terminals plating). store as delivered by optrex if you store as unpacked, put in anti-static bag, seal its opening and store where it is not subjected to direct sunshine nor fluorescent lamp. store at temperature 0 to +35 and at low humidity. please refer to our specification sheets for storage temperature range and humidity condition. 5) the module does not contain excess current limiter. please design the limiter to cut excess current in your power supply circuit. 6) liquid crystal may be leaked when display is broken. never taste it. if your hands or clothes touch it, please immediately wash using soap. optrex shall not be responsible for any infringement of industrial property rights of third parties in any country arising out of the application or use of optrex products, except which directly concern the structure or production of such products.

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