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users guide nhd-4.3-480272zf-atxi#-t-1 tft (liquid crystal display graphic module) touch panel 4.3 diagonal 16-bit digital interface 480x272 resolution white led backlight please review the driver spec hx8257-a . newhaven display international 2511 technology drive, #101 elgin, il 60124 tel: (847) 844-8795 fax: (847) 844-8796 april 3, 2009 newhaven display international
standard doc. product spec. module no. page 1 records of revision date revised no. revised descriptions prepared checked approved feb.24.2009 01 first issue
standard doc. product spec. module no. page 2 contents 1. ge n eral specifications - - - - - - - - - - - - - - - - - - - - - - - - 2 2. features - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - - - - - 2 3. mechanical specifications - - - - - - - - - - - - - - - - - - - - 2 4. outline dimensions - - - - - - - - - - - - - - - - - - - - - - - - ------ 4 5. interface assignment - - - - - - - - - - - - - - - - - - - - - - - ---- 5 6. application circuit - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6 7. block diagram - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6 8. timing characteristics - - - - - - - - - - - - - - - - - - - - - - - - 7 9. reset timing characteristics - - - - - - - - - - - - - - - - - - 9 10. power on/off sequence - - - - - - - - - - - - - - - - - - - - - - - - 10 11. absolute maximum ratings - - - - - - - - - - - - - - - - - - - - - - 11 12. electrical characteristics - - - - - - - - - - - - - ------------------ 11 13. led backlight characteristics - - - - - - - - - - - - - - - - - - 12 14. optical characteristics - - - - - - - - - - - - - - - - - - - - - - -- - - - 13 15. environmental absolute maximum ratings - - - - - - - - - 16 16. reliabil i ty test - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 16 17. the standard of inspection - - - - - - - - - - - - - - - - - - - - - - - - - 17 18. using lcd modules - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 20
st andard doc. product spec. module no. p age 3 1. general specifica tions 1-1 scope: this specification covers the de livery requirements for the liquid crystal display delivered by newhaven to customer 1-2 products: liquid crystal display module (lcm) 1-3 module name: nhd-4.3-480272zf-atxi#-t-1 2. fea tures ( 1) display t ype: 4.3? a-si tft ; 480rgb*272dots; 12 o?clock; transmissive; normally white; , (2) driving method: tft ( 3) built-in driver:hx8257-a (4) with white led backlight 3. mechanical specifica tions item speci fica tions unit outline dimemsions 105.5(w) x67.2(h) x3.8(t) mm active area 95.04 (w) x53.86(h) mm disp .constructi on 480(rgb) - 2 7 2 x - - s t o d dot pitch 0.198 x 0.198 mm assy .type cog+fpc+bl+tp --- backlight white led g weight tbd
standard doc. product spec. module no. page 4 4.outline dimensions a k b/l circuit diagram nhd-4.3-480272zf-atxi#- t-1 newhaven display
standard doc. product spec. module no. page 5 5. interface assignment pin no. function descriptions symbol 1 backlight cathode vled- 2 backlight anode vled+ 3 ground gnd 4 supply voltage = 3.3v vdd 5 red data signal(lsb) 0 r 6 red data sig 1 r lan 7 red data sig 2 r lan 8 red data sig 3 r lan 9 red data sig 4 r lan 10 red data sig 5 r lan 11 red data sig 6 r lan 12 red data signal(msb) 7 r 13 green data signal(lsb) 0 g 14 green data sig 1 g lan 15 green data sig 2 g lan 16 green data sig 3 g lan 17 green data sig 4 g lan 18 green data sig 5 g lan 19 green data sig 6 g lan 20 green data signal(msb) 7 g 21 blue data signal(lsb) 0 b 22 blue data sig 1 b lan 23 blue data sig 2 b lan 24 blue data sig 3 b lan 25 blue data sig 4 b lan 26 blue data sig 5 b lan 27 blue data sig 6 b lan 28 blue data signal(msb) 7 b 29 ground gnd 30 clock signal to sample each data pclk 31 display on/off signal (this pin is pulled high in internally) disp 32 horizontal synchronizing signal hsync 33 vertical synchronizing signal vsync 34 input data enable control. internally pulled low. de 35 no connect avdd 36 ground gnd 37 touch panel interface for xr xr 38 touch panel interface for yd yd 39 touch panel interface for xl xl 40 touch panel interface for yu yu
standard doc. product spec. module no. page 6 6.application circuit 7. block diagram
standard doc. product spec. module no. page 7 8.timing characteristics 8.1 parallel rgb input t requirement
standard doc. product spec. module no. page 8 8.2 serial rgb input t requirement
standard doc. product spec. module no. page 9 9.reset timing characteristics
standard doc. product spec. module no. page 10 10. power on/off sequence
standard doc. product spec. module no. page 11 11. absolute maximum rating standard value item symbol condition min typ max unit power supply for logic iovcc ta=25 -0.3 --- +3.6 v input voltage vin ta=25 -0.3 --- vci+0.3 v operation temperature t opr --- -20 --- +60 storage temperature t stg --- -30 --- +70 12. electrical characteristics standard value item symbol conditions min typ max unit power supply voltage v dd v ss ta= +25 - 3.3 - v input voltage h level v ih 0.8v dd v dd v input voltage l level v il v ss 0.2v dd v output voltage h level v oh i oh =200ua v dd-0.3 v dd v output voltage l level v ol i ol =200ua v ss vss+0.3 v
standard doc. product spec. module no. page 12 13. led backlight 13-1 power supply for led backlight 13-2 absolute maximun rating parameter symbol specifications unit power dissipation p d 850 mw forward current i fm 50 ma reverse voltage v f 5/led v operation temperature t opr -20 ? +70 storage temperature t stg -30 ? +80 13-3 electrical characteristics standard value parameter symbol light source conditions min typ max unit parameter v f white if =40ma 15 16 17 v luminous intensity iv white 230 250 1 cd/m 2 x white 0.26 1 0.31 nm color of cie(1931) coordinate y white if =40ma 0.26 1 0.31 nm
standard doc. product spec. module no. page 13 14.optical characteristics
standard doc. product spec. module no. page 14 (1) definition of viewing angle ( 3 ) definition of response (2) definition of contrast x view direction x lcd 2, = 180 1, = 0 y(front) y(rear) 1 < < 2 1 2 cr 2 contrast ratio front-rear viewing x(right) view direction x(left) lcd 3, = 90 4, =270 y y 3 < < 4 3 4 cr 2 contrast ratio right-left viewing brightness of selected segment (b1) brightness of non-selected segment (b2) brightness(%) brightness curve of non-selected segment operating voltage (vop) b2 b1 c.r = brightness curve of selected segment state state selective state tr tf (rise time) (fall time) 90% 100% brightness 10% n on selective non selective
standard doc. product spec. module no. page 15 (4) measuring instruments for electro-optical characteristics *1.light source position for measuring the reflective type of lcd panel *2.light source position for measuring the transflective / transmissive types of lcd panel 0 normal 0 C =30 light source (*1) (*2)
standard doc. product spec. module no. page 16 15. environmental absolute maximum ratings item symbol conditions criterion operating temperature t opr -20 ? +60 no defect in displaying and operational function storage temperature t stg -30 ? +70 no defect in displaying and operational function humidity see note without condensation 16.reliability test noiretirc snoitidnoc meti high temperture +70 72hrs operating temperature low temperture - 20 72hrs no defect in displaying and operational function high temperture +80 120hrs storage temperature low temperture - 30 120hrs no defect in displaying and operational function humidity 40 90%rh 72hrs no defect in displaying and operational function vibration operating time: thirty minutes exposure for each direction (x,y,z) sweep frequency: 10 ?55hz (1 min) amplitude: 1.5mm no defect in displaying and operational function thermal shock -20 (30mins) +70 (30mins) 10 cycles no defect in displaying and operational function note: the samples must be free from defect before test, must be restore at room condition at least for 2 hour after reliability test before any inspection.
standard doc. product spec. module no. page 17 17. the standard of inspection 17-1 inspection items and specification for appearance power off no. item criterion aql 1 dimension dimension out of the specification 1.0 2 glass crack 1 z general crack 2 z corner 3 zcontact pad crack 4 z substrate protuberance and internal crack transfer position crack: l/5 x y z k/8 not over a area t x y z k/8 not over a area no check x y z k/8 l/3 no check x y k/8 l/3 2.50
standard doc. product spec. module no. page 18 x y 3 black dot \ white dot x: long diameter y: shot diameter d: average of diameter d=(x+y)/2 acceptable of defect d a/b area c area d ? 0.2 no check 0.2d? 0.3 2 0.3d0.5 1 d>0.5 0 no check 2.50 4 line defect l: length w: width defect of polarizer scratches z spot : according to the limit specimen acceptable of defect length whidth a/b area c area accept w0.02 no check l3 w0.05 2 w0.05 2 no check l2.5 w ? 0.05 as round type 2.50 5 polarizer bubble acceptable of defect d a/b area c area d0.2 no check 0.2d0.5 3 0.5d1.0 2 d ? 1.0 0 no check 2.50 6 external print of panel 1 z transfigure z pin hole same as segment transfinguer 2 z print width: print width 1/2 standard width is acceptable 2.50 7 silicon glue the area of painting silicon glue must cover the ito circuit. 2.50 8 defect of pcb 1 z the char zwrong edition z bresking off circuit z crack and air-logged orifice are unreceivable for pcb. 2 z gold finger of pcb can not be oxidative z smudgy and broken.. 2.50
standard doc. product spec. module no. page 19 9 smt organ 1 z deflexion of component 1/3width of component 2 z trying to keep dot of soldering tin orbicular 3 z damage z break z wrong assembly and unseal are unreceivable for component. 2.50 10 steel frame 1 z break and distortion are unreceivable for frame. 2 z if there is one nick which can not lead to cast or hole of painting, we allow that following: length 5mm;width 0.3mm 2.50 17-2 inspection items and specification for display defect power on 1 electrical defect segment missing not allow segment short not allow non-display not allow 1.0 2 pin hole 1 zpin hole width acceptable of defect w ? 0.4 d0.2 & d1/2w w0.4 d0.25 & d1/3w 2.50 3 display pattern w: design dimension c z d: discrepant dimension g=|e-f| width acceptable of defect w ? 0.4 cz d z g1/2w w0.4 cz d z g0.2 1.0 4 black/white dot x: long diameter y: shot diameter d: average diameter d=(x+y)/2 acceptable qty d a/b area c area d ? 0.1 no check 0.1d? 0.2 2 0.2d0.25 1 d>0.25 0 no check 2.50 * d =(a+b)/2 d 0.1 acceptable
standard doc. product spec. module no. page 20 5 line defect l: length w: width acceptable qty length width a/b area c area ?y w0.02 no check l3 w0.03 2 0.03? w0.05 2 no check l2.5 w ? 0.05 sa round type 2.50 18. using lcd modules 18-1 liquid crystal display modules lcd is composed of glass and polarizer. pay attention to the following items when handling. (1) please keep the temperature within specified range for use and storage. polarization degradation, bubble generation or polarizer peel-off may occur with high temperature and high humidity. (2) do not touch, push or rub the exposed polarizers with anything harder than an hb pencil lead (glass, tweezers, etc.). (3) n-hexane is recommended for cleaning the adhesives used to attach front/rear polarizers and reflectors made of organic substances which will be damaged by chemicals such as acetone, toluene, ethanol and isopropylalcohol. (4) if the display surface becomes contaminated, breathe on the surface and gently wipe it with a soft dry cloth. if it is heav ily contaminated, wipe gently with absorbent cotton or other soft material like chamois soaked in isopropyl alcohol or ethyl alcohol. do not scrub hard to avoid damaging the display surface. (5) wipe off saliva or water drops immediately, contact with water over a long period of time may cause deformation or color fading. (6) avoid contacting oil and fats. (7) condensation on the surface and contact with terminals due to cold will damage, stain or dirty the polarizers. after produc ts are tested at low temperature they must be warmed up in a container before coming is contacting with room temperature air. (8) do not put or attach anything on the display area to avoid leaving marks on. (9) do not touch the display with bare hands. this will stain the display area and degradate insulation between terminals (some cosmetics are determinated to the polarizers). (10) exercise care to minimize corrosion of the electrode. corrosion of the electrodes is accelerated by water droplets, moisture condensation or a current flow in a high-humidity environment. (11) as glass is fragile. it tends to become or chipped during handling especially on the edges. please avoid dropping or jarring. 18-2 precaution for handing lcd modules since lcm has been assembled and adjusted with a high degree of precision, avoid applying excessive shocks to the module or making any alterations or modifications to it.
standard doc. product spec. module no. page 21 (1) do not alter, modify or change the the shape of the tab on the metal frame. (2) do not make extra holes on the printed circuit board, modify its shape or change the positions of components to be attached. (3) do not damage or modify the pattern writing on the printed circuit board. (4) absolutely do not modify the zebra rubber strip (conductive rubber) or heat seal connector. (5) except for soldering the interface, do not make any alterations or modifications with a soldering iron. (6) do not drop, bend or twist lcm. in particular, do not forcibly pull or bend the i o cable or the backlight cable. (7) in order to avoid the cracking of the fpc,you should to pay attention to the area of fpc where the fpc was bent .the edge of coverlay;the area of surface of ni-au plating,the area of soldering land,the area of through hole. 18-3 electro-static discharge control since this module uses a cmos lsi, the same careful attention should be paid to electrostatic discharge as for an ordinary cmos ic. (1) make certain that you are grounded when handing lcm. to minimize the performance degradation of the lcd modules resulting from destruction caused by static electricity etc., exercise care to avoid holding the following sections when handli ng the modules. - exposed area of the printed circuit board. - terminal electrode sections. (2) before remove lcm from its packing case or incorporating it into a set, be sure the module and your body have the same electric potential. (3) when soldering the terminal of lcm, make certain the ac power source for the soldering iron does not leak. (4) when using an electric screwdriver to attach lcm, the screwdriver should be of ground potentiality to minimize as much as possible any transmission of electromagnetic waves produced sparks coming from the commutator of the motor. (5) as far as possible make the electric potential of your work clothes and that of the work bench the ground potential. (6) to reduce the generation of static electricity be careful that the air in the work is not too dried. a relative humidity of 50%-60% is recommended. 18-4 precautions for operation (1) viewing angle varies with the change of liquid crystal driving voltage (vo). adjust vo to show the best contrast. (2) driving the lcd in the voltage above the limit shortens its life. (3) if the lcd modules have been operating for a long time showing the same display patterns, the display patterns may remain on the screen as ghost images and a slight contrast irregularity may also appear. a normal operating status can be regained by suspending use for some time. it should be noted that this phenomenon does not adversely affect performance reliability. (4) response time is greatly delayed at temperature below the operating temperature range. however, this does not mean the lcd will be out of the order. it will recover when it returns to the specified temperature range. (5) if the display area is pushed hard during operation, the display will become abnormal. however, it will return to normal if it is turned off and then back on. (6) condensation on terminals can cause an electrochemical reaction disrupting the terminal circuit. therefore, it must be used under the relative condition of 40 c , 50% rh. (7) when turning the power on, input each signal after the positive/negative voltage becomes stable.
standard doc. product spec. module no. page 22 18-5 storage when storing lcds as spares for some years, the following precaution are necessary. (1) store them in a sealed polyethylene bag. if properly sealed, there is no need for dessicant. (2) store them in a dark place. do not expose to sunlight or fluorescent light, keep the temperature between 0 c and 35 c. 3) the polarizer surface should not come in contact with any other objects. (we advise you to store them in the container in which they were shipped.) (4) environmental conditions : - do not leave them for more than 160hrs. at 70 c. - should not be left for more than 48hrs. at -20 c. 18-6 safety (1) 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 leakes out of a damaged glass cell and comes in contact with the hands, wash off thoroughly with soap and water. 18-7 limited warranty unless agreed between newhaven and customer, newhaven will replace or repair any of its lcd modules which are found to be functionally defective when inspected in accordance with newhaven lcd acceptance standards (copies available upon request) for a period of one year from date of shipments. cosmetic/visual defects must be returned to newhaven within 90 days of shipment. confirmation of such date shall be based on freight documents. the warranty liability of newhaven limited to repair and/or replacement on the terms set forth above. newhaven will not be responsible for any subsequent or consequential events. 18-8 return lcm under warranty no warranty can be granted if the precautions stated above have been disregarded. the typical examples of violations are : - broken lcd glass. - circuit modified in any way, including addition of components. module repairs will be invoiced to the customer upon mutual agreement. modules must be returned with sufficient description of the failures or defects. any connectors or cable installed by the customer must be removed completely without damaging the pcbs eyelet, conductors and terminals.

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