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1.44inch tft lcd display

►Small TFT LCD Display
►1.44″ TFT Display
►Resolution : 128x128dots
►View Direction: 12 o’clock
►Interface: SPI
►Driver IC: ST7735S
►RTP/CTP: Optional
►Brightness(cd/m²): 400
►Outline Dimension: 29.50(W)* 36.50(H) *2.50(T) mm

Category:

DESCRIPTION

1.44inch TFT LCD Screen Display

HC-144HB1204 is a 1.44inch TFT LCD display module with an optional resistive touch screen and capacitive touch screen control with a resolution of 128×128 pixels. This small size TFT LCD monitor is in portrait mode with a wider viewing angle by POL adjustment, Left: 70 / Right: 70 / Top: 70 / Bottom: 60 degrees (typical). Optional RTP or CTP.

This HC-144HB1204 inch module has a built-in ST7735S controller IC, supports SPI interface, the power supply voltage (VCC) range is 3.0V to 3.6V, and the brightness is 400 nits (type), and the contrast ratio is 800: 1. The module is Industrial ideal for coffee machines, POS machines, etc. The module can operate at temperatures from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

1.44inch tft lcd display screen

SPECIFICATIONS

General Specifications

Item Contents Unit
Size 1.44 inch
LCM Dimension 29.50(W)* 36.50(H) *2.50(T) mm
LCD Active Area 25.50* 26.50 mm
Number Of Dots 128×128 pixel
LCD Type a-Si TFT
Viewing Direction 12 o’clock
Driver IC ST7735S
Interface Type SPI
Operating Temperature -20℃~ 70℃
Storage Temperature -30℃~ 80℃
Backlight Type 2 LEDs
Brightness 400 cd/m2

Interface

LCM PIN Definition

NO. Symbol Description
1 GND Ground
2 AO Destination register selection
3 CLK Serial  Clock
4 SDA Serial Data Input
5 GND Ground
6 CS Chip Select
7 RESET Reset pin
8 LEDK BACKLIGHT CATHODE
9 LEDA BACKLIGHT ANODE
10 VCC POWER SUPPLY
11 IOVCC I/O   POWER SUPPLY
12 GND Ground

DC Characteristics

Item Symbol Min Typ Max Unit
TFT gate on voltage VGH 15 V
TFT gate off voltage VGL -10 V
TFT common electrode Voltage Vcom -1 V

Typical Operation Conditions

Item Symbol Min. Typ. Max. Unit
Analog Supply Voltage VCI 2.5 2.8 3.3 V
Digital Supply Voltage VDD 2.5 2.8 3.3 V
I/O Supply Voltage IOVCC 1.65 1.8/2.8 3.3 V
Input High Voltage VIH 0.8*IOVCC IOVCC V
Input Low Voltage VIL 0 0.2*IOVCC V
Output High Voltage VOH 0.8*IOVCC V
Output Low Voltage VOL 0.2*IOVCC V

Backlight Circuit Characteristics

Item Symbol Min. Typ. Max. Unit
LED Current IB 30 40 mA
LED Voltage Vf 2.8 3.0 3.2 V
CIE X 0.265 0.295 0.325
Y 0.26 0.29 0.32
Brightness of LCM L 350 400 cd/m2

Reliability Test Items

Test Item Test Parameters Key factors for determining test results
High temperature storage 80±3 ℃,48H;
Low temperature storage -30±3 ℃,48H;
High temperature storage 70±3 ℃,48H; Inspection after 2~4hours storage at roomtemperature,
Low temperature operation -20±3 ℃,48H; the sample shall be free from defects:
High temperature/humidity 60℃±3 ℃,90%±3%RH ,48H; 1.Air bubble in the LCD;
Thermal Shock ~20℃/0.5h~+70℃/0.5h
for a total 24 cycles;
2.Non-display;
 

Vibration Test

Frequency 10Hz~55Hz~10Hz 3.Glass crack;
Amplitude:1.5mm, X,Y,Z
direction for total 1H; 4. The electrical
(Packing condition)
 

ESD test

±4KV, Human Body Mode, characteristics requirements shall be satisfied.
150pF/330Ω;
±8KV, Air Mode, 150pF/330Ω;

 

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Weight 1 kg
Dimensions 25 × 25 × 25 cm

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