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| Ordering number : ENN6757 LCD Module ALP228CGXC Low-Temperature Polysilicon 1.8-inch TFT LCD Module Overview This 1.8 inch low temperature poly- silicon TFT-LCD module consists of LCD panel and White LED backlight. This is suitable for digital still camera. Features * Diagonal 4.6cm (1.8inch) display size. * 521 x 218 = 113,578 dots. * RGB delta color arrangement. * Operating temperature (Panel) is -10 to +60C. Ambient temperature during storage is -20 to +70C. * Slim design, light weight and narrow frame. (t=0.7mm glass) * Up / down and right / left inverse function. * Builds in level shifter circuit. * Conform to NTSC, PAL when using recommended IC : LV4127W, LV4135W, LV4137W, (LV4139W : Under development). * Anti-reflection (AR) coat. * Builds in White LED backlight unit. (No inverter unit.) * Panel power consumption is Typ.100mW at NTSC. Back-light power consumption is 315mW. (reference) * Display surface luminance is typ 250cd/m2. Specifications Item Dot count (H) x (V) Effective display dimensions (H) x (V) Display size (diagonal) Dot pitch (H) x (V) Color arrangement External Dimensions (W) x (H) x (D) Weight *Note1: Excluding flexible cable and protrusions. Specifications 521 x 218 36.77 x 27.47 4.6 (1.8inch) 0.0705 x 0.126 RGB Delta TYP 43.8 x 38.8 x 5.3 Approx. 16 Unit dot mm cm mm mm g Remarks Note1 Ver.1.6 12898 13001 RM (IM) No.6757-1/8 ALP228CGXC Absolute Maximum Ratings at VSS=0V Item H driver power supply voltage V driver power supply voltage Common electrode voltage Driving direction signal voltage H driver input voltage V driver / precharge data input voltage Video / precharge data input voltage Operating temperature (panel) Storage temperature Symbol HVDD VVDD VCOM CSH, CSV STH, XSTH, CKH1, CKH2 STV, XSTV, CKV1, CKV2, ENB, XENB, PCG, XPCG VG, VR, VB, VPCD Topr Tstg -1.0 -1.0 -1.0 -1.0 -1.0 -1.0 -1.0 -10 -20 Ratings to to to to to to to to to +17 +17 +17 +17 +17 +17 +13 +60 +70 Unit V V V V V V V C C Operating Conditions Power supply voltage Item H driver input voltage V driver input voltage CSV, CSH Video signal center voltage HVDD 15.0V 0.5V, VVDD 15.0V 0.5V, VSS 0V Symbol Low High Low High Low High VHIL VHIH VVIL VVIH VSIL VSIH VVC VG, VR, VB VCOM VPCD MIN -0.3 2.5 -0.3 2.5 -0.3 11.5 5.9 VVC-3.5 (VVC-0.2)-0.2 VVC1.5 TYP 0.0 3.0 0.0 3.0 0.0 VDD 6.0 (VVC-0.2) VVC2.0 MAX 0.3 4.0 0.3 4.0 0.3 VDD 6.3 VVC+3.5 (VVC-0.2)+0.2 VVC2.5 Unit V V V V V V V V V V Video signal input voltage range *1 Common electrode voltage*2 Precharge data signal *1 *1 Video signal and precharge data signal shall be input symmetrically around VVC. *2 Set common electrode voltage to the optimum voltage. Optical Specifications Item Contrast ratio Symbol CR T B L R Condition 25C MIN TYP 100 15 35 45 45 MAX Unit - Viewing angle range CR >= 10 - - deg No.6757-2/8 ALP228CGXC Pin Function Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Symbol NC COM CKV1 CKV2 VVDD STV XSTV CSV ENB XENB PCD B R G VSS XPCG PCG CSH XSTH STH CKH2 CKH1 HVDD NC Leave this pin open Common electrode voltage V clock 1 V clock 2 VDD for V drive V start signal Inverted signal of STV Up / down inverse control signal (H : Normal scan, L : Reverse scan) Enable signal Inverted signal of ENB Precharge data signal Video signal (B) Video signal (R) Video signal (G) VSS for V and H drive Inverted signal of PCG Precharge gate signal Right / left inverse control signal (H : Normal scan, L : Reverse scan) Inverted signal of STH H start signal H clock 2 H clock 1 VDD for H drive Leave this pin open Function No.6757-3/8 ALP228CGXC Block Diagram Front View Norm al Scan Reverse Scan STH C KH 1 C KH 2 H VD D C SH VSS VSS H-DRIVER G R B VSS ... ... COM VVDD V-DRIVER VVDD ENB CSV STV CKV2 CKV1 Norm al Scan ... ... Reverse Scan ... ... ... ... PC D PRECHARG E CIRCUIT PC G XPC G L/S L/S L/S L/S L/S L/S 24.NC 23.HVDD 22.CKH1 21.CKH2 20.STH 19.XSTH 18.CSH 17.PCG 16.XPCG 15.VSS 14.G 13.R 12.B 11.PCD 10.XENB 9.ENB 8.CSV 7.XSTV 6.STV 5.VVDD 4.CKV2 3.CKV1 2.COM 1.NC No.6757-4/8 ALP228CGXC System Configuration X'tal Video signal C om posite Y/C Y/Color difference L V 41 2 7W S ig n a l p ro c e s sin g IC R G B RG B drivers (S&H) R G PCD B L o w -te m p e ratu re p -S i T F T -L C D Horizontal scanner Vertical scanner Video chrom a signal processing Display area Serial control BUS I/F Sync. sep. Tim ing controller Level shifter Precharge circuit VCO AL P 2 2 8 X'tal Video signal C om posite Y/C Y/Color difference L V 41 3 7W S ig n a l p ro c e s sin g IC R G B R RG B drivers (S&H) G PCD B L o w -te m p e ratu re p -S i T F T -L C D Horizontal scanner Vertical scanner Video chrom a signal processing Display area Serial control BUS I/F Sync. sep. Tim ing controller Level shifter Precharge circuit VCO AL P 2 2 8 No.6757-5/8 ALP228CGXC System Configuration L V 41 3 5W S ig n a l p ro c e s sin g IC L o w -te m p e ratu re p -S i T F T -L C D R Horizontal scanner G PCD Video signal R Analog RG B G B RG B drivers (S&H) Vertical scanner B Display area Serial control Synchronus signal BUS I/F Sync. sep. Tim ing controller Level shifter Precharge circuit VCO AL P 2 2 8 X'tal Video signal C om posite Y/C Y/Color difference L V 41 3 9W S ig n a l p ro c e s sin g IC **U n d e r d e ve lo p m e n t L o w -te m p e ratu re p -S i T F T -L C D R Horizontal scanner G PCD B Vertical scanner Video chrom a signal processing R G RG B drivers (S&H) B Display area Serial control BUS I/F Sync. sep. Tim ing controller Level shifter Precharge circuit VCO AL P 2 2 8 No.6757-6/8 ALP228CGXC Package Dimension No.6757-7/8 ALP228CGXC PS No.6757-8/8 |
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