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?rep.\2ed by: date \ppro?/id by: date .- liquid crystal display sharp corporation group specification spec no. lc92x1oa file no. issue ott.29,1992 page 19 pages representative division n duty panel development center device specification for passive matrix lcd unit (320x240 dots) model no. 9-m3=oos1 q icustomer?s approval . by u k.shimizu department general manager engineering department 2 duty panel development center lcd group sharp corporation
voiiel 10. LM320081 doc.first issue records of revision oct.29.1992 ident. data no. lc92x1oa ref.page ? - -.. check date paragraph revised summary & drawing no. no. approval jun. 12 1993 page. 7 (fig. 2) a 1 data input timing was revised ah . ...&: -.e??- .-? -. ?? --? --? .-. ? --
. ispec no. [ model no. / page sha-p lc92x10/4 LM320081 1 . . 1. application this data sheet is to introduce the specification of LM320081, passive matrix type lcd unit. (320x240 dot, fstn, reflective, positive type) 2. construction and outline construction : 320x240 full dot graphic display unit outline : see fig. 8 . connection : see fig. 8 . and table. 5 . there shall be no scratches, stains, chips, distortions and other external drawbacks that may affect the display function. rejection criteria shall be noted in inspection standard s-u-012-01.
spec ~0 . model yo. page sharp lc92x1oa LM320081 .- . . 3. mechanical specifications table 1 parameter specification i unit outline dimensions 134(w) x 96(h) x 6.5 max(d) note 1 i mm effective viewing area 1oo(w) x 76(h) 1~ display format 320(w) x 240(h) full dot i_ dot size 0.28(w) x 0.28(h) i i dot spacing 0.02 i:i character color black note2 ! ? i i background color white note2 ~ ? weight approx. 105 ig i notel : excluded the mounting tab. (see fig.8) note2 : due to the characteristics of the lc material, the colors vary with environmental temperature. 4. absolute maximum retings 4-1. electrical absolute maximum ratings table 2 parameter symbo 1 min i max unit remark supply voltage (logic) vdd?vss i) ~ 6.0 v supply voltage (lcd driver) , vdd?vee o 128.5 v i ta=25c input voltage i v in o i vdd vi
~ spec no. i model no. i page sharp lc92x1oa LM320081 i 3 4-2. environmental condition ?? table 3 item tstg topr remark min. i max. min. max . ambient. tem~srature -25c l+60c o?c +45c i humidity note 1 note 1 ino condensation vibration note 2 note 2 ! 3 directions (x/y/z) shock note 3 note 3 6 directions (*x/* y/~z) note 1) note 2) note 3) ta~40c????o?90% rhmax t~>~ooc . . . . . . absolute humidity shall be less than ta=40c /90% rh these test conditions are in accordance with ?iec 68-2-6? fr~~uency : 10 ~ 55hz vi~iation width : 1.5mm inzsrval : 10hz ~ 55hz (1 rein) 2 ~icurs for each direct. accerelation : 490m/s2 pulse width : llms 3 =irnes for each direct on of x/y/z (6 hours as total) (50g) ion of *x/iy/*z.
spec no. model no. page sha=f lc92x1oa LM320081 4 . 5. electrical ;oecifications 5.1 elect:i:al characteristics table 4 ta=25c,vdd=5vi5% prame :?r i symbol conditions min. t yp . max. unit supply voltsge (logic) i vdd-vss 4.75 i 5.0 i 5.25 v supply voit::e (lcd drive) ~vee-vss vdd=5v (note 1) -19.5 i-18.5 i -17.5 vi input signal voltage ~ vin ?h? level 0. 8vdd i - i vdd vi ! ?l?level o i - 10.2vdd? vi input leal{a:e current lil ?h?level - i - 120 tia ?l?level -20.0 -1- ua 1 supply cur:?:t (logic) ~ idu v~~=5v, v, e=-18.5v -19113, ma i suppiy curr~nt (lcd) i iee vr=100kq ? 71111ma power consumput ion (lcd) pdlcd f=80hz (note 2) ? 185 i 270 i mw note 1) t::: viewing angle(6) where obtains the maximum contrast can be set fi:j adjusting variable resistor between vr1 and vr2. rsfer to fig. 4 for the difinition of 8. note 2) d~splay high frequency pattern. lcd unit / vee(-18.5v) \ q 200kq vr vr2 \ i i .
~ spec no. i model no. i page shaef lc92x10a LM320081 5 5-2. interface signals - cn1 table 5 pin no. symbols ~ description level 1 s i scan start-up signal ? h ? ?2 cp1 i input data latch signal i h-l 3 cp2 data input clock signal i h-l 4 vdd power supply for logic and lcd (+5v) ! ? 1 [ 5 vss i ground potential (ov) ! i 6 vee power suppiy for lcd ? i 71do\ i i 8 d1 \ display data signal ~ h(on),l(off) ~ 9 d2 ~ ~ 1 10 d3 11 vr1 lcd contrast adjust (a) ? i 1 12 vr2 \ lcd contrast ad.iust (b) i used connector mating cable : : 52103-1217 l.omm pith , [molex] 12pins f.f.c.
. spec no. model no. i page sharp lc92x1oa LM320081 6 . \ column row 1 2 3 240 \ dot- dot- dot- dot- i- 1 dot 2 dot 3 dot 320, dot f-----------------------------------------------"-------"---------7 . . . . . . . . . ..- .------ . . . . . . . . . . . . ------- ---- . . . . ---- - --- n 40.32 ------- . ------- note) 1?2 means 1st row 2nd column dot. fig. 1 dot chart of display area
. ~spec no. i model no. i page sharf? lc92x10/4 LM320081 7 d3 d2 d1 do s i i invalidx 1? 1 l?317xinvalidx 2? 1 2?317 1 1 240.318xinvalidx 1? 2x 1? 6 2?318 , 240?319xinvalidx 1? 3 2?319 i i 240?320xinvalidx 1? 4x 1. 8 l?320xinvalidx 2? 4 2?320 cp2 x 320/4 pulses < > reduced i i cp1 do-d3 ~ ( 1?(1-320)) x2400 (l-320)~ ( 1?(1-320)> s cp1 x 240 pulses < > fig. 2 data input timing
spec no. i model no. i page shaep lc92x1o,a i LM320081 i a , cp1 / cp2+ i i do-d3 s . cp1 -r -. . t ? cp2 x (320/4) pulses 1! t 1: 1 ( i 1 1 1 i 1 1 i 1 1 1 1 1 1 1 1 1 1 i 1 i t,~~=12.5-14.3ms i 3 irst ata . cp1 x 240 pulses < vih=o . 8vdd vil=o . 2vdd fig. 3 interface timing chart
i spec no. \ model no. i page s-ar p lc92x1oa LM320081 i ~ . table. 6 interface timing ratings rti item symbol ?min unit . typ. max. frame cycle t frm 12.5 14.3 rrls cp2 clock cycle t cp 2 170 ? ns ?h? level clock width t cwh 100 ? ns ?l? level clock width t cwl, i 100 ? ns ?h+ level latch clock width t lwh 100 ? ns data set up time t su 80 ? ns data hold time thl 80 ? ns cp2 ? clock allowance time from cp1 4 ts12 o ? ns cp1 ~ clock allowance time from cp2 j tszl o ? ns clock rise/fall time tr,tf 50 ns s signal data set up time t ssu 100 ns s signal data hold time t sh2 100 ns . . . . . . . . . . . . . . . .
. spec no. model yo. pagi sharp lc92x10~ LM320081 la 6.unit driving ??ethod . 6-1. 6-2. 6-3. .- circuit .~onfiguration fig.7 shows the block diagram of the unit?s circuitry. display ?ace configuration the display face electrically consists of signal display segment of 320 x 240 dots. input data and control signal the lcd and lcd display will be iriver is 80 bits lsi, consisting of shift registers, latch circuits driver circuits. data which are externally divided into data for each row (320 dots) sequentially transferred in the form of 4?bit parallel data through shift resisters by clock signal cp2 from the left top of the display face. when data of one row (320 dots) have been inputted, then latched in the from of parallel data for 320 lines of signal electrodes by latch signal cp1. then the corresponding drive signal will be transmitted to the 320 lines of column electrodes of the lcd panel by the lcd drive circuits. at this time, scan start-up signal s has been transferred from the scan signal driver to the 1st row of scan electrodes, and the contents of the data signals are displayed on the 1st rows of the display face according to the combinations of voltages applied to the scan and signal electrodes of the lcd. while the 1st rows of data are being displayed, the 2nd rows of data are entered. when 320 dots of data have been transferred then latched on the falling edge of cp1 clock, the display face proceeds to the 2nd rows of display. such data input will be repeated uptothe 240th row of each display segment, from upper to lower rows, to complete one frame of display by time sharing q ethod. then data input proceeds to the next display face. scan start-up signal s generates scan signal to drive horizontal the unit shall be driven at the speed of 70~80hz/frame to avoid electrodes. flickering.
. ]spec no. i model no. ] page sharp lc92x1o,j LM320081 1 11 since gc voltage, if applied to lcd panel, causes chemical reaction which will deteriorate lcd panel, drive waveform shall be inverted to prevent the gene- ration of such dc voltage. and to prevent such problem, ac waveform circuit generated by counting cp1 (m generator) is built in this circuit. ?because of the characteristics of the cmos driver lsi, the power consumption of the unit gose up as the operating frequency cp2 increases. thus the driver lsi appiies the system of transferring 4-bit palallel data through the 4 lines of shift resistors to reduce the data transfer speed cp2. thanks to the lsi, the power consumption of the unit will be minimized. in this circuit configuration, 4-bit display data shall be therefore inputted to data input pins of do-d3. further~ore the lcd unit adopts bus line system for data input to minimize the power consumption. in this system data input terminal of each driver lsi is activated only when relevant data input is fed. data input for colum electrodes of both the upper and the lower display segment and chip select of driver lsi are made as follows: the driver lsi at the left end of the display face is first selected, and the adjacent driver lsi of the right side is selected when 80 dots data (20 cp2) is fed. this process is sequentially continued until data is fed to the driver lsi at the right end of the display face. this process is simultaneously followed at the column driver lsi?s of both the upper and the lower display segments. thus data input through 4-bit bus line sequentially from the left end of the display face. since this graphic display unit contains no reflesh ram, it requires data and timing pulse inputs even for static display. the timing chart of input signals are shown in fig.3.
spec no. model no. page sharp lc92x1oa LM320081 , 12 7. optical characteristics?- (taole 7 shows the optical the maximum contrast ( 4 ) . . characteristics when the viewing angle obtaining is adjusted to o degrees.) table 7 vdd=5v, ta=25c parameter symbol condition min. typ . max . unit remark e=?ol 6=0? co~4.-j 60 ? ? dgr. note 1 61 el{e, co=4.o ? ? -30 dgr. note 1 viewing angle e. 25 ? ? dgr. note 1 range e=?el 4=90? co~4.0 65 ? ? dgr. note 1 e, co=4.o ? ? -35 dgr. note 1 @l{e2 25 ? ? dgr. note 1 contrast ratio [ :2 e=o?. 4=0? 8.0 10.0 ? i note 2 response tr e =00. ti =00 ? 100 150 ms note 3 speed rd e =()?\ # .0? ? 150 200 ms note..3 note 1) the viewing angle range may bedefined as shown below. el(0?) i \ viewing direction fig. 4 definition of viewing angle note 2) contrast ratio may contrast ratio is when the waveform be defined as follows: calculated by using the following formula voltage (fig.6) is applied in optical characteristics test method (fig.5). photo-detector output voltage with non-select waveform bein applied 1 contrast ratio = photo-detector output vo tage with select waveform being applied . . . . . . . -. ?? . . . . . . .
. spec no. [ :~odel tio. p.4ge sharp lc92x1oa i LM320081 13 note 3) note 4) ? .- . the response characteristics of photo-detector output are measured as shown in fig.6, assuming that input signals are applide so as to select and deselect the dots to be measured, in the optical characteristics test method shown table 7 voltage shown the waveforms in fig.5. optical characteristics detected when the lcd app: are in the highest frequency *. * the most critical condt ion for the characteristics of lcd. light source - normal line i i i / l photo-detector 1 ied (included aviewing sens ~~ viewing sensitivity modurator \ lens \ \ 1; \l, light source fig. 5 optics characteristics test method -. .- .- . . ..-? . . . .
. spec no. [ model no. i page sha=f lc92x1 o,+ LM320081 14 voltage applied to lcd cell non-se drive wavaform l v ect wavaform . photo- detector output 100% + 10% .- . i 1 7 l-- . select wavaform . . - l- non-se l ect waveform fig. 4 definition of response time 90% ? rr: rise time td: decay time
ispec no. i model no. i page sha=f lc92x1oa i LM320081 15 ~----- r-~ \ ; 11 !, 1 it_jl ii ii ?,~ontrol 11 .- . . i i i ! , , 1 ? -- --- vdd,vss vee bias voltage lcd 1 1--/1 ii l -;- go? :--- -3?80?:-?- ->-80?;-?- -<-80 -t-?- i w generator ic9 r-1 vr1 * mg:m generator fig. 7 circuit block diagram vr2 . . . . . .? . .
n 7 0 n lll n n .cn 1- 0 n l-l i i i i i 1 -. t i i r 0 n m ?cd ii i 1- l-s ?o <1 c ?1 fit . . a . 0 (0 o 1. m j- 1? - noo titi~ : ~ i i i i i : 1+ ?o c t i 1 k m ti l ? u- ?r?--?--?--?--?--?--? .? ., ,, i p xvns ?9 ? a .-. . . e :oi i ? 1 i, ., ., :, !: . d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ------- ------- . . . . . . . . . . . . . . . . . . . . . . . . . . .
spec no. flodel no. page snanp lc92x10~ LM320081 17 8. precautions 8-1. angle when installing the unit this unit?s viewing angle is illustrated in fig.9. e,< viewing range < e 2 (el ispec no. t model no. / pag; sharp lc92x10,~l LM320081 i f~ 8-3.notes on attachment (1) (2) (3) (4) (5) since the front polarizer scratch on its face. ii the surface of the lcd with cotton or other soft and wipe. :#ater droplets, etc. must is easily dameged, please pay attention not to cells need to be cleaned, wipe it swiftly cloth. if still not completely clear,blow on it be wiped off immediately since they may cause color changes, stain, etc. if remained for a long time. since lcd is made of glass plates, dropping the unit or banging it against hard objects may cause cracking the or fragmentation. cyos lsis are equipped in this unit, so care must be taken to avoid the electro-static charge, by earthing human body, etc. take the following measures, to protect the unit from the electric discharge via mounting tabs from the main system electrified with static electricity. (1) (j) earth the metallic case of main system). insulate the unit and main made of backlite or nylon, the main system (contact of the unit and system by attaching insulating washers etc. 8-4. notes on operation (1) the unit should be driven according to the specified ratings to avoid malfunction or parmanent damage. dc voltage drive leads to rapid deterio- ration of lc, so ensure that the drive is alternating waveform by continous application of the signal m. especially the power on/off sequence shown on next page shall be followed to avoid latch-up of driver lsis and application of dc voltage to lcd panel. 8-5. others (1) (2) (3) (4) avoid to expose the unit to the direct sun-light, light, etc. for a long time. if stored at temperatures below specified storage strong ultraviolet temperature, the lc may fleeze and be deteriorated. if storage temperature exceed the specified rating, the molecular orientation of the lc may charge to that of a liquid, and they may not return to their original state. if the lcd panel is removed from the lcd unit, it may cause the poor contact. so please avoid to dismantle the unit. do?nt use any materials which emit following gas from epoxy resin (amines hardener) and silicon adhesive agent (dealcohol or deoxym) to prevent change polarizer color owing to gas. n
spec no. [model no . [ page sharp lc92x1oa LM320081 19 20ms iux i i on(5v; b ---- ---- ---- --- f off(vss) .0n(5v: ----- ----- ----- 5, cp1, c??, data off(vss) vee ---- ---- ---- ------- --- on(vee) oms hin . i --- --- < ? i fig. 10 power onioff sequence ? - 0.8vdd \ ~ i! oms min* 3 / 20msmax oms min off

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