SANYO ALP237FXX Datasheet
Ordering number : ENN6769
LCD Module
ALP237FXX
Low-Temperature Polysilicon
1.8-inch TFT LCD Module
Overview
This wide viewing type 1.8 inch low temperature poly- silicon TFT-LCD module is suitable for digital still camera.
Features
• Diagonal 4.6cm (1.8inch) display size.
• 521 × 218 = 113,578 dots.
• RGB delta color arrangement.
• Wide viewing angle,
• 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)
• Up / down and right / left inverse function.
• Built-in level shifter circuit.
• Conform to NTSC, PAL when using recommended IC : LV4131W, LV4133W, (LV4139W : Under development).
• Anti-reflection (AR) coat.
• Panel power consumption is Typ.100mW at NTSC.
• Optical transmittance is approx. 6.3%.
Specifications
Dot count (H) × (V) 521 × 218 dot
Effective display dimensions (H) × (V) 36.77 × 27.47 mm
Display size (diagonal) 4.6 (1.8inch) cm
Dot pitch (H) × (V) 0.0705 × 0.126 mm
Color arrangement RGB Delta -
External Dimensions (W) × (H) × (D) TYP 43.4 × 36.6 × 2.1 mm Note1
Weight Approx. 6 g
*Note1: Excluding flexible cable and protrusions.
Survival
Item Specifications Unit Remarks
®
. (Super Ranged Viewing by Vertical Alignment)
Ver.1.6
12898
13001 RM (IM) No.6769-1/8
ALP237FXX
Absolute Maximum Ratings
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 VCOM -1.0 to +17 V
Driving direction signal voltage CSH, CSV -1.0 to +17 V
H driver input voltage STH, XSTH, CKH1, CKH2 -1.0 to +17 V
V driver / precharge data
input voltage
Video / precharge data
input voltage
Operating temperature (panel) Topr -10 to +60
Storage temperature Tstg -20 to +70
at VSS=0V
STV, XSTV, CKV1, CKV2,
ENB, XENB, PCG, XPCG
VG, VR, VB, VPCD -1.0 to +13 V
-1.0 to +17 V
C
°
C
°
Operating Conditions
Power supply voltage HVDD 15.5V ± 0.5V, VVDD 15.5V ± 0.5V, VSS 0V
Item Symbol MIN TYP MAX Unit
H driver input voltage
V driver input voltage
CSV, CSH
Video signal center voltage VVC 6.3 6.5 6.8 V
Video signal input voltage range *1 VG, VR, VB VVC-5.0 - VVC+5.0 V
Common electrode voltage*2 VCOM (VVC-0.3)-0.2 (VVC-0.3) (VVC-0.3)+0.2 V
Precharge data signal *1 VPCD VVC±4.5 - VVC±5.0 V
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
*1 Video signal and precharge data signal shall be input symmetrically around VVC.
*2 Set common electrode voltage to the optimum voltage.
Optical Specification s
Item Symbol Condition MIN TYP MAX Unit
Contrast ratio CR
θT 55
Viewing angle range
θB 55
θL 45
θR
25°C
CR >= 10 -
- 150 - -
- deg
45
No.6769-2/8
ALP237FXX
Pin Function
Pin No Symbol Function
1 NC Leave this pin open
2 COM Common electrode voltage
3 CKV1 V clock 1
4 CKV2 V clock 2
5 VVDD VDD for V drive
6 STV V start signal
7 XSTV Inverted signal of STV
8 CSV Up / down inverse control signal (H : Normal scan, L : Reverse scan)
9 ENB Enable signal
10 XENB Inverted signal of ENB
11 PCD Precharge data signal
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 Inverted signal of STH
20 STH H start signal
21 CKH2 H clock 2
22 CKH1 H clock 1
23 HVDD VDD for H drive
24 NC Leave this pin open
No.6769-3/8
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