Ordering number : ENN6756 LCD Module ALP228CAXA 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 backlight. This is suitable for digital still camera. Features • Diagonal 4.6cm (1.8inch) display size. • 521 × 218 = 113,578 dots. • RGB delta color arrangement. • Operating temperature (Panel) is -10 to +60°C. Ambient temperature during storage is -20 to +70°C. • Slim design, light weight and narrow frame. (t=0.7mm glass) • Builds in level shifter circuit. • Up / down and right / left inverse function. • Conform to NTSC, PAL when using recommended IC : LV4127W, LV4135W, LV4137W, (LV4139W : Under development). • Anti-reflection (AR) coat. • Builds in flat fluorescent lamp backlight unit. (Not contains inverter unit) • Panel power consumption is Typ.100mW at NTSC. Back-light power consumption is 0.5W to 0.6W. (reference) • Display surface luminance is typ 300cd/m2. Specifications Item Dot count (H) × (V) Effective display dimensions (H) × (V) Display size (diagonal) Dot pitch (H) × (V) Color arrangement External Dimensions (W) × (H) × (D) Weight Specifications Unit 521 × 218 36.77 × 27.47 4.6 (1.8inch) 0.0705 × 0.126 RGB Delta TYP 43.8 × 39.1 × 6.2 Approx. 20 dot mm cm mm mm g Remarks Note1 *Note1: Excluding flexible cable and protrusions. Ver.1.6 12898 13001 RM (IM) No.6756-1/8 ALP228CAXA Absolute Maximum Ratings at VSS=0V Item Symbol Ratings Unit H driver power supply voltage HVDD -1.0 to +17 V V driver power supply voltage VVDD -1.0 to +17 V 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) VCOM -1.0 to +17 V CSH, CSV -1.0 to +17 V STH, XSTH, CKH1, CKH2 STV, XSTV, CKV1, CKV2, ENB, XENB, PCG, XPCG -1.0 to +17 V -1.0 to +17 V VG, VR, VB, VPCD -1.0 to +13 V Topr -10 to +60 °C Tstg -20 to +70 °C Storage temperature Operating Conditions Power supply voltage HVDD 15.0V ± 0.5V, VVDD 15.0V ± 0.5V, VSS 0V Item H driver input voltage V driver input voltage CSV, CSH Symbol MIN TYP MAX Unit Low VHIL -0.3 0.0 0.3 V High VHIH 2.5 3.0 4.0 V Low VVIL -0.3 0.0 0.3 V High VVIH 2.5 3.0 4.0 V Low VSIL -0.3 0.0 0.3 V High VSIH 11.5 VDD VDD V Video signal center voltage VVC 5.9 6.0 6.3 V VG, VR, VB VVC-3.5 - VVC+3.5 V Common electrode voltage*2 VCOM (VVC-0.2)-0.2 (VVC-0.2) (VVC-0.2)+0.2 V Precharge data signal *1 VPCD VVC±1.5 VVC±2.0 VVC±2.5 V Video signal input voltage range *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 Symbol Condition MIN TYP MAX Unit Contrast ratio CR 25°C - 100 - - Viewing angle range θT θB θL θR - 15 35 45 45 - deg CR >= 10 No.6756-2/8 ALP228CAXA Pin Function Pin No Symbol Function 1 NC 2 COM Common electrode voltage 3 CKV1 V clock 1 4 CKV2 V clock 2 5 VVDD VDD for V drive 6 STV 7 XSTV 8 CSV Up / down inverse control signal (H : Normal scan, L : Reverse scan) 9 ENB Enable signal 10 XENB 11 PCD 12 B Video signal (B) 13 R Video signal (R) 14 G Video signal (G) 15 VSS VSS for V and H drive 16 XPCG Inverted signal of PCG 17 PCG Precharge gate signal 18 CSH Right / left inverse control signal (H : Normal scan, L : Reverse scan) 19 XSTH 20 STH 21 CKH2 H clock 2 22 CKH1 H clock 1 23 HVDD VDD for H drive 24 NC Leave this pin open V start signal Inverted signal of STV Inverted signal of ENB Precharge data signal Inverted signal of STH H start signal Leave this pin open No.6756-3/8 ALP228CAXA Block Diagram Front View Norm al Scan Reverse Scan STH C KH 1 C KH 2 H VD D C SH VSS H-DRIVER VSS G R B VSS ... ... V-DRIVER Norm al Scan ... ... Reverse Scan ... ... COM VVDD VVDD ENB CSV STV CKV2 CKV1 ... ... PC D PC G XPC G PRECHARG E CIRCUIT 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.6756-4/8 ALP228CAXA System Configuration L V 41 2 7W 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 Video signal Serial control Video chrom a signal processing BUS I/F G B RG B drivers (S&H) Serial control Sync. sep. Display area Level shifter Precharge circuit AL P 2 2 8 L V 41 3 7W 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 Video chrom a signal processing BUS I/F B PCD VCO Video signal C om posite Y/C Y/Color difference Horizontal scanner G Tim ing controller Sync. sep. X'tal R R Vertical scanner C om posite Y/C Y/Color difference R G B R RG B drivers (S&H) Tim ing controller VCO Horizontal scanner G B PCD Vertical scanner X'tal Display area Level shifter Precharge circuit AL P 2 2 8 No.6756-5/8 ALP228CAXA System Configuration L V 41 3 5W S ig n a l p ro c e s sin g IC Video signal R G B Serial control Synchronus signal BUS I/F RG B drivers (S&H) B PCD Tim ing controller Sync. sep. Horizontal scanner G Vertical scanner R Analog RG B L o w -te m p e ratu re p -S i T F T -L C D Display area Level shifter Precharge circuit VCO Serial control L o w -te m p e ratu re p -S i T F T -L C D **U n d e r d e ve lo p m e n t 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 Video chrom a signal processing BUS I/F Sync. sep. R R G B RG B drivers (S&H) Tim ing controller VCO Horizontal scanner G B PCD Vertical scanner X'tal AL P 2 2 8 Display area Level shifter Precharge circuit AL P 2 2 8 No.6756-6/8 ALP228CAXA Package Dimension No.6756-7/8 ALP228CAXA PS No.6756-8/8