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Part: ALP121
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Ordering number : ENN6753
LCD Module
ALP121AAX
Low-Temperature Polysilicon 1.5-inch TFT LCD Module
Overview
This 1.5 inch low temperature poly- silicon TFT-LCD module consists of LCD panel and backlight. This is suitable for digital still camera.
Features
· Diagonal 3.8cm (1.5inch) 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) · Up / down and right / left inverse function. · Built-in shifter circuit. · Conform to NTSC, PAL when using recommended IC : LV4135W, LV4137W, (LV4139W : Under development). · Glare polarizer. · Builds in flat fluorescent lamp backlight unit. (Not contains inverter unit) · Panel power consumption is Typ.55mW at NTSC. Back-light power consumption is 0.4W to 0.6W. · Display surface luminance is typ 200cd/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 *Note1: Excluding flexible cable and protrusions. Specifications 521 × 218 30.25 × 22.67 3.8 (1.5inch) 0.058 × 0.104 RGB Delta TYP 39.4 × 38.0 × 6.1 TBD Unit dot mm cm mm mm g Remarks
Note1
Ver.1.6 12898
13001 RM (IM) No.6753-1/8
ALP121AAX 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 +14 +14 +14 +14 +14 +14 +13 +60 +70 Unit V V V V V V V °C °C
Operating Conditions Power supply voltage HVDD LV4135W VVDD LV4135W VSS LV4135W
Item H driver input voltage V driver input voltage CSV, CSH
LV4137W : 12.0V ± 0.3V LV4137W : 12.0V ± 0.3V LV4137W : 0V
Symbol Low High Low High Low 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 5.0 VVC-3.5 (VVC-0.2)-0.2 VVC±1.5 TYP 0.0 3.0 0.0 3.0 0.0 VDD 5.2 (VVC-0.2) VVC±2.0 MAX 0.3 4.0 0.3 4.0 0.3 VDD 5.4 VVC+3.5 (VVC-0.2)+0.2 VVC±2.5 Unit V V V V V V V V V V
High Video signal LV4135W, LV4137W center voltage 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 25°C MIN TYP 100 15 35 45 45 MAX Unit -
Viewing angle range
CR >= 10
-
-
deg
No.6753-2/8
ALP121AAX
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.6753-3/8
ALP121AAX
Block Diagram
Front View
N o r m a l Scan R e v e r s e Scan
STH CKH1 CKH2 HVDD CSH VSS
VSS
H -D R IV E R
G R B
.. .
.. .
COM
VVDD
VSS
N o r m a l Scan .. .
V -D R IV E R
VVDD ENB CSV STV CKV2 CKV1
.. .
R e v e r s e Scan .. .
.. .
.. .
.. .
PCD
P R E C H A R G E CIRCUIT
PCG XPCG
L /S
L /S
L /S
L /S
L /S
L /S
2 4 .N C 2 3 .H V D D 2 2 .C K H 1 2 1 .C K H 2 2 0 .S T H 1 9 .X S T H 1 8 .C S H 1 7 .P C G 1 6 .X P C G 1 5 .V S S 1 4 .G 1 3 .R 1 2 .B 1 1 .P C D 1 0 .X E N B 9.ENB 8.CSV 7.XSTV 6.STV 5.VVDD 4.CKV2 3.CKV1 2.COM 1.NC
No.6753-4/8
ALP121AAX
System Configuration
V id e o signal
C o m p o s it e Y/C Y/C o l o r difference
X 't a l
LV4137W S i g n a l p r o c e s s i n g IC
R G B R RGB d r iv e r s (S & H ) G PC D B
L o w -te m p e r a tu r e p -S i T F T -L C D
H o r iz o n t a l scanner V e r ti c a l scanner
V id e o c h ro m a s ig n a l p r o c e s s in g
D is p la y area
S e r ia l control
BU S I /F
S yn c . sep.
T im in g c o n t r o ll e r
Level s h ifte r
P r e c h a r g e circuit
VCO
AL P 1 2 1
LV4135W S i g n a l p r o c e s s i n g IC
L o w -te m p e r a tu r e p -S i T F T -L C D
R G PC D V e r ti c a l scanner B H o r iz o n t a l scanner
V id e o signal
R Analog R G B G B RGB d r iv e r s (S & H )
D is p la y area
S e r ia l control S yn c h ro n u s signal
BU S I /F
S yn c . sep.
T im in g c o n t r o ll e r
Level s h ifte r
P r e c h a r g e circuit
VCO
ALP 121
No.6753-5/8
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