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sm display specification www.lcdsolar.com solar technologies, inc. ? headquarters 26180 enterprise way building no. 100 lake forest, ca 92630 949.458.1080 tel. 949.458.1081 fax sales@lcdsolar.com the solar technologies name and logo are the registered servic e marks of solar technologies, inc. all other trademarks, service marks, logos, slogans, domain names , trade names and copyrights (collectively ?marks?) are the properties of their respective owners. solar technologies disclaims any proprietary interest in marks other than its own. all product specifications are provided fo r convenience only. the product specifications contained herein are provided ?as is? and with respect to the information contained ther ein solar technologies disclaims all repr esentations and warranties of any kind, including warranties of merchantability, fitness for a particular purpose, and accuracy of the content. please consult the manufacturer for specific product information. www..net
doc . no LMS250GF03-001 rev.no 000 page 1 /27 preliminary date : june. 22. 2007 any modification of spec is not a llowed without sec's permission amlcd division samsung electronics co. , ltd. samsung tft-lcd prgho qr = opv583ji360334
doc . no LMS250GF03-001 rev.no 000 page 2 /27 preliminary contents revision history ---- ---------------------- (3) general description ---- ------------ ---------- (4) 1. absolute maximum rat ings -------------------------- (5) 1.1 absolute ratings of environment 1.2 electrical absolute ratings 2. optical characteristics ---------------- ---------- (7) 3. electrical character istics ------------------------ (10) 3.1 tft-lcd module 3.2 back-light unit 4. block diagram ---- --------------------- (11) 4.1 tft-lcd module with back light unit 4.2 back light unit 5. input terminal pin assignment ------------------------- (12) 5.1 input signal & power 5.2 input signal, basic display colors and gray scale of each colors 6. operation specifications ------------------------ (14) 6.1 dot formation 6.2 data format for 8 bit rgb interface 7. interface timin g ------------------------- (15) 7.1 8bit rgb interface timing 7.2 serial periph eral interface 8. electrical specifications - ------------------------- (16) 9. power sequence ----- ------------- ------- (18) 9.1 power on sequence 9.2 power off sequence 9.3 standby in / out sequence 10. application circuit -- --------------- ---------- (22) 11. module outline dimension --------------------------- (23) 12. packing -------- ------------------- (24) 13. marking and oth ers ----------------------- -- (25) 14. general preca ution ------------------------- (26) 14.1 handling 14.2 storage 14.3 operation 14.4 others
doc . no LMS250GF03-001 rev.no 000 page 3 /27 preliminary data rev. no. page summary june. 22. 2007 000 rev.000 was first issued. revision history
doc . no LMS250GF03-001 rev.no 000 page 4 /27 preliminary general description * description LMS250GF03-001 is a tm r(transmissive with micro r eflective) type color a ctive matrix tft (thin film tra nsistor) liquid crystal displa y (lcd) that uses amorphous silicon tft as a switching devices. this model is composed of a tf t- lcd module, a driver circuit and a back-light unit. the resolution of a 2.5" contains 320 x 240 dots and can display up to 16,777,216 colors. * features - transmissive with micr o reflective type and back-l ight with 3 leds. - tn mode (normally white). - wide viewing angle. - stripe pixel structure. - 8bit rgb parallel interfac e + serial peripheral interface (spi) - gate driver ic embeded on panel - low power consumption. * applications - display terminals for hhp, mp3, pmp application products. * general information items specification unit note display area 50.88(h) x 38.16(v) mm - driver element a-si tft active matrix - - display colors 16.7 m color - number of pixels 320(h) x 240(v) pixel - pixel arrangement stripe structure - - pixel pitch 0.159(h) x 0.159(v) mm - display mode normally white - - gray inversion angle 12 o'clock - surface treatment 2h - - * mechanical information item min. typ. max. unit note module size horizontal(h) 55.73 55.88 56.03 mm (1) vertical(v) 47.81 47.96 48.11 mm (1) depth(d) 2.25 2.4 2.55 mm (1) weight - 10.4 - g (2) note(1):notincludefpc note (2) : included fpc
doc . no LMS250GF03-001 rev.no 000 page 5 /27 preliminary 1. absolute maximum ratings 1.1 absolute ratings of environment item symbol min. max. unit note storage temperature t stg -40 85 (1) operating temperature (ambient temperature) t opr -20 60 (1),(2) note (1) 90 % rh max. ( 50c 3 ta ) maximum wet-bulb temperature at 49c or less. (ta > 50c) no condensation. (2) in case of below 0, the response time of liquid crystal (lc) becomes slower and the color of panel becomes darker than normal one. level of retardation depends on temperature, because of lc's characteristics. (3) if any fixed pattern is displayed on lcd for minutes, image-sticking phenomenon may occur.
doc . no LMS250GF03-001 rev.no 000 page 6 /27 preliminary 1.2 electrical absolute ratings (1) tft-lcd module (ta = 25c 2c, gnd=0v) characteristics symbol min. max. unit note logic input voltage vdd3 -0.3 5.0 v (1) analog input voltage vci -0.3 5.0 v (1) (2) back-light unit (ta = 25 2c) item symbol min. max. unit. note current i b -30 ma (1) note (1) permanent damage to the device may occur if maximum values are exceeded or reverse voltage is loaded. functional operation should be restric ted to the conditions described under normal operating conditions.
doc . no LMS250GF03-001 rev.no 000 page 7 /27 preliminary 2. optical characteristics the following items are measured under stable conditions. the optical characteristics should be measured i n a dark room or equivalent state with the methods shown in note (1). measuring equipment: sr-3, bm-7, ez-contrast (ta = 25 2c, vdd3 = vci = 3.0v, i b = 25ma) item symbol condition min. typ. max. unit note contrast ratio (center point) c/r note (1),(6) =0 =0 normal viewing angle b/l on - (300) - - (2) sr-3 luminance of white (center point) y l - (330) - cd/m 2 (3) sr-3 response time rising: tr tr+tf - (27) (35) msec (4) bm-7 falling: tf color chromaticity (cie 1931) white wx tbd tbd tbd - (5) sr-3 wy tbd tbd tbd red rx tbd tbd tbd ry tbd tbd tbd green gx tbd tbd tbd gy tbd tbd tbd blue bx tbd tbd tbd by tbd tbd tbd viewing angle hor. l c/r10 b/l on (60) (70) - degrees (6) ez - contrast r (60) (70) - ver. h (60) (60) - l (45) (60) -
doc . no LMS250GF03-001 rev.no 000 page 8 /27 preliminary note (1) test equipment setup after stabilizing and leaving the panel alone at a given temperature for 30 min, the measurement should be executed. measurement should be executed in a stable, windless, and dark room. 30 min after lighting the back-light. this should be measured in the center of screen. - environment condition : ta = 25 2 c - back-light on condition d= 50cm =90 0.3 lcd lmd note (2) definition of contrast ratio (c/r) : ratio of gray max (gmax) & gray min (gmin) at the center point cr g g = max min * gmax : luminance with all dots white * gmin : luminance with all dots black lmd : ligh mesurement devices
doc . no LMS250GF03-001 rev.no 000 page 9 /27 preliminary note (3) definition of luminance of white (yl) : luminance of white at the center point note (4) definition of response time : sum of tr and tf (field : 1) note (5) definition of color chromaticity (cie 1931) color coordinate of white & red, green, blue at center point. note (6) definition of viewing angle : viewing angle range (cr 10) 6 o?clock direction normal line l r h l 12 o?clock direction r =90 o l =90 o = 0 o , x x' y' y = 0 o h = 90 o l = 90 o
doc . no LMS250GF03-001 rev.no 000 page 10 /27 preliminary 3. electrical characteristics 3.1 tft-lcd module ta = 25 2c characteristics symbol min. typ. max. unit note logic input voltage vdd 2.7 3.0 3.3 v- analog input voltage vci 2.7 3.0 3.3 v- power dissipation p full - (30) - mw (1),(2) frame frequency f frame -90- hz - dot clock dck --27 mhz - serial clock xsck --10 mhz - * to prevent a latch-up or dc operation of the lcd module, the power on/off sequence should be as the chapter 10. power on/off sequence. note (1) vdd3 = vci = 3.0v f frame =90hz (2) dissipation current check pattern ? black pattern
doc . no LMS250GF03-001 rev.no 000 page 11 /27 preliminary 3.2 back-light unit the back-light system is an edge-lighting type with three white led (light emitting diode)s. (ta = 25 2c) item symbol min. typ. max. unit note current i b -25-ma(1) power consumption p bl - (264) - mw - note (1) three leds serial type. 4. block diagram 4.1 tft-lcd module (interface system structure) 4.2 back light unit led-anode led-cathode
doc . no LMS250GF03-001 rev.no 000 page 12 /27 preliminary 5. input terminal pin assignment 5.1 input signal & power (connector : ddk ff12a-51a-r11b, 51pin, 0.3mm pitch) pin no symbol description i/o pin no symbol description i/o 1 led- led cathode i 27 vcomh vcom high level o 2 nc not connection - 28 vocml vcom low level o 3 led+ led anode i 29 gvdd gamma voltage generator o 4 nc not connection - 30 rvdd regulated vdd output o 5 vgoffl power output for asg driver o 31 gnd ground i 6gnd ground i32 7 vgl gate off voltage o 33 vdd3 logic input voltage (typ 3.0v) i 8gnd ground i34 9 vgh gate on voltage o 35 vsync vsync signal i 10 c22p charge pumping capacitor o 36 hsync hsync signal i 11 c22m charge pumping capacitor o 37 gnd ground i 12 c21p charge pumping capacitor o 38 dotclk dot clock signal i 13 c21m charge pumping capacitor o 39 gnd ground i 14 avdd power output for source driver o 40 data7 data 7 (msb) i 15 c11pb charge pumping capacitor o 41 data6 data 6 i 16 c11mb charge pumping capacitor o 42 data5 data 5 i 17 c11p charge pumping capacitor o 43 data4 data 4 i 18 c11m charge pumping capacitor o 44 data3 data 3 i 19 gnd ground i 45 data2 data 2 i 20 vci1 reference voltage in step-up circuit 1 i 46 data1 data 1 i 21 vci analog input voltage (typ 3.0v) i 47 data0 data 0 (lsb) i 22 48 scl serial clock i 23 c23m charge pumping capacitor o 49 csb chip select i 24 c23p charge pumping capacitor o 50 sdi serial data input i 25 vcl power supply for generating vcoml o 51 resetb resetb i 26 gnd ground i
doc . no LMS250GF03-001 rev.no 000 page 13 /27 preliminary 5.2 input signal, basic display colors and gray scale of each colors color display data signal gray scale level red green blue r0 r1 r2 r3 r4 r5 r6 r7 g0 g1 g2 g3 g4 g5 g6 g7 b0 b1 b2 b3 b4 b5 b6 b7 basic color black 000000000000000000000000 - blue 000000000000000011111111 - green 000000001111111100000000 - cyan 000000001111111111111111 - red 111111110000000000000000 - magenta111111110000000011111111 - yellow 111111111111111100000000 - white 111111111111111111111111 - gray scale of red black 000000000000000000000000 r0 dark light 100000000000000000000000 r1 010000000000000000000000 r2 :::::::::::::::::::::::: r3~r252 :::::::::::::::::::::::: 101111110000000000000000 r253 011111110000000000000000 r254 red 111111110000000000000000 r255 gray scale of green black 000000000000000000000000 g0 dark light 000000001000000000000000 g1 000000000100000000000000 g2 : :::::: :::::: ::::: g3~g252 : :::::: :::::: ::::: 000000001011111100000000 g253 000000000111111100000000 g254 green 000000001111111100000000 g255 gray scale of blue black 000000000000000000000000 b0 dark light 000000000000000010000000 b1 000000000000000001000000 b2 :::::::::::::::::::::::: b3~b252 :::::::::::::::::::::::: 000000000000000010111111 b253 000000000000000001111111 b254 blue 000000000000000011111111 b255 note) definition of gray : rn : red gray, gn : green gray, bn : blue gray (n = gray level) input signal : 0 = low level voltage, 1 = high level voltage
doc . no LMS250GF03-001 rev.no 000 page 14 /27 preliminary 6. operation specifications 6.1 pixel formation (stripe pixel structure) 6.2 data format for 8bit rgb interface input rgb arrangment
doc . no LMS250GF03-001 rev.no 000 page 15 /27 preliminary 7. interface timing 7.1 8bit rgb interface timing * 257h vbp 3h,vbp>vlw,vfp 1h * 1533dck hbp 24dck , hbp > hlw , hfp 4dck 7.2 serial periph eral interface note) rs = "0" : set index register rs = "1" : write instruction
doc . no LMS250GF03-001 rev.no 000 page 16 /27 preliminary 8. electrical specifications vdd3 = 3.0v, ta = 25 2 item symbol min. max. unit serial clock cycle time tscycw 100 - ns serial clock rise/fall time tr,tf - 10 pulse width high for write tschw 30 - pulse width low for write tsclw 50 chip select setup time tcss 20 - chip select hold time tcsh 90 - serial input data setup time tsids 30 - serial input data hold time tsidh 30 - serial output data delay time tsodd - 200 serial output data hold time tsodh 5 - reset low pulse width tres 30 - us csblowpulsewidthforwakeup tcsbr 12 -
doc . no LMS250GF03-001 rev.no 000 page 17 /27 preliminary vdd3 = 3.0v, ta = 25 2 item symbol min. typ. max. unit vsync/hsync setup time tvsys thsvs 20 - - ns vsync/hsync hold time tvsyh thsyh 20 - - dotclk low level pulse width tdclw 17 - - dotclk high level pulse width tdchw 17 - - dotclk cycle time tdcyc 35 - - pd(data) setup time tpds 12 - - pd(data) hold time tpdh 12 - - dotclk rise/fall time tr, tf - - 5 phase difference of sync signal falling edge thv - 0 - t dotclk sg^:=3` sg^:=3` tf tr
doc . no LMS250GF03-001 rev.no 000 page 18 /27 preliminary 9. power on/off sequence (*can be changed for better quality) 9.1 power on sequence system power on system power on wait 1ms reset power setting sequence r07h=0000 wait 10ms r12h=1618 r11h=2227 r13h= xx d1 (note 5) r10h=550c wait 5frame or more r12h=0c58 initializing sequence r01h= (note 1) r02h=0300 r03h=(note 2) r08h= (note 3) r09h= (note 4) r76h=2213 r0bh=33e1 r0ch=0023 r76h=0000 r0dh=0007 r0eh=0000 r15h=0803 r14h=0000 r16h=0000 r30h=0706 r31h=0406 r32h=0c09 r33h=0606 r34h=0706 r35h=0406 r36h=0c06 r37h=0601 r38h=0504 r39h=0504 display on sequence r07h=0001 wait 1frame or more r07h=0101 wait 2frame or more r76h=2213 r1ch=6650 r0bh=33e1 r76h=0000 r07h=0103
doc . no LMS250GF03-001 rev.no 000 page 19 /27 preliminary 9.2 power off sequence display off sequence r0bh=30e1h r07h=0102h wait 2frame or more r07h=0000h r12h=0000h r10h=0100h 9.3 standby in / out sequence standby in sequence display on status display off sequence r10h=0001h standby out sequence standby in status r10h=0000h power setting sequence display on sequence note 1) inversion setting * bgr : color inversion ( 0 : r ? b, 1 : bypass ) * tb : vertical inversion ( 0 : bottom top, 1 : top bottom ) * ss : horizontal inversion ( 0 : right left, 1 : left right ) note 2) polarity setting * vpl : vsync polarity (0 : high active, 1 : low active) * hpl : hsync polarity (0 : high active, 1 : low active) * dpl : dotclk polarity (0 : data fetched at falling edge, 1 : at rising edge)
doc . no LMS250GF03-001 rev.no 000 page 20 /27 preliminary note 3) vbp (vsync back porch) db15 db14 db13 db12 db11 db10 db9 db8 db7 db6 db5 db4 db3 db2 db1 db0 0 0 0 0 0 0 0 0 vbp7 vbp6 vbp5 vbp4 vbp3 vbp2 vbp1 vbp0 * the porch period should meet the following condition. 257h vbp 3h , vbp > vlw note 4) hbp (hsync back porch) db15 db14 db13 db12 db11 db10 db9 db8 db7 db6 db5 db4 db3 db2 db1 db0 0 0 0 0 0 0 0 hbp8 hbp7 hbp6 hbp5 hbp4 hbp3 hbp2 hbp1 hbp0 * the porch period should meet the following condition. 1533dck hbp 24dck , hbp > hlw
doc . no LMS250GF03-001 rev.no 000 page 21 /27 preliminary note 5) brightness control setting xx brightness 10 max 11 12 ? 61 recommended ? 7d 7e 7f min
preliminary doc . no LMS250GF03-001 rev.no 000 page 22 /27 10. application circuit recommends 1. all components would better be close to fpc connector as possible. 2. schottky diode's low f/v(forward volta ge) makes internal circuit more stable.
preliminary doc . no LMS250GF03-001 rev.no 000 page 23 /27 11. module outline dimension
doc . no LMS250GF03-001 rev.no 000 page 24 /27 preliminary 12. packing note (1) packing box weight : approx. tbd kg (2) packing box size : 505(w) x 355(d) x 319(h) (3) place the panels in the tray faci ng the direction shown in the figure. (4) place 25 tray and 1 cover tray and 2 pads inside the packing-box (5) affix the label-safety, label-paper.
doc . no LMS250GF03-001 rev.no 000 page 25 /27 preliminary 13. marking & others (1) packing case attach case id 400 LMS250GF03-001
doc . no LMS250GF03-001 rev.no 000 page 26 /27 preliminary 14. general precautions 14.1 handling (a) when the module is assembled, it should be attached to the system firmly. be careful not to twist and bend the module. (b) refrain from strong mechanical shock and / or any force to the module. in addition to damage, this may cause improper operation or damage to the module and back-light unit. (c) note that polarizers are very fragile and could be easily damaged. do not press or scratch the surface harder than a hb pencil lead. (d) wipe off water droplets or oil immediately. if you leave the droplets for a long time, staining and discoloration may occur. (e) if the surface of the polarizer is dirty, clean it using some absorbent cotton or soft cloth. (f) the desirable cleaners are water, ipa(isopropyl alcohol) or hexane. do not use ketone type materials(ex. acetone), ethyl alcohol, toluene, ethyl acid or methyl chloride. it might permanent damage to the polarizer due to chemical reaction. (g) if the liquid crystal material leaks from the panel, it should be kept away from the eyes or mouth. in case of contact with hands, legs or clothes, it must be washed away thoroughly with soap. (h) protect the module from static, it may cause damage to the integrated gate circuit. (i) use finger-stalls with soft gloves in order to keep display clean during the incoming inspection and assembly process. (j) do not disassemble the module. (k) protection film for polarizer on the module shall be slowly peeled off just before use so that the electrostatic charge can be minimized. (l) pins of i/f connector shall not be touched directly with bare hands
doc . no LMS250GF03-001 rev.no 000 page 27 /27 preliminary 14.2 storage (a) do not leave the panel in high temperature, and high humidity for a long time. it is highly recommended to store the module with temperature from 0 to 35c and relative humidity of less than 70%. (b) do not store the tft-lcd module in direct sunlight. (c) the module shall be stored in a dark place. it is prohibited to apply sunlight or fluorescent light during the store. 14.3 operation (a) do not connect, disconnect the module in the "power on" condition. (b) power supply should always be turned on/off by the "power on/off sequence" 14.4 others (a) the liquid crystal is deteriorated by ultraviolet, do not leave it in direct sunlight and strong ultraviolet ray for many hours. (b) avoid condensation of water. it may result in improper operation or disconnection of electrode. (c) do not exceed the absolute maximum rat ing value. ( the supply voltage variation, input voltage variation, variation in part contents and environmental temperature, and so on) otherwise the panel may be damaged. (d) if the panel displays the same pattern co ntinuously for a long period of time, it can be the situation when the image "sticks" to the screen. (e) this panel has its circuitry fpc on the bottom side and should be handled carefully in order not to be stressed.

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