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1.44 inch tft lcd display screen

►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

DESCRIPTION

HC-144HB1204 is a 1.44 inch tft lcd display screen 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

ItemContentsUnit
Size1.44 inchinch
LCM Dimension29.50(W)* 36.50(H) *2.50(T)mm
LCD Active Area25.50* 26.50mm
Number Of Dots128×128pixel
LCD Typea-Si TFT
Viewing Direction12 o’clock
Driver ICST7735S
Interface TypeSPI
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type2 LEDs
Brightness400cd/m2

Interface

LCM PIN Definition

NO.SymbolDescription
1GNDGround
2AODestination register selection
3CLKSerial  Clock
4SDASerial Data Input
5GNDGround
6CSChip Select
7RESETReset pin
8LEDKBACKLIGHT CATHODE
9LEDABACKLIGHT ANODE
10VCCPOWER SUPPLY
11IOVCCI/O   POWER SUPPLY
12GNDGround

DC Characteristics

ItemSymbolMinTypMaxUnit
TFT gate on voltageVGH15V
TFT gate off voltageVGL-10V
TFT common electrode VoltageVcom-1V

Typical Operation Conditions

ItemSymbolMin.Typ.Max.Unit
Analog Supply VoltageVCI2.52.83.3V
Digital Supply VoltageVDD2.52.83.3V
I/O Supply VoltageIOVCC1.651.8/2.83.3V
Input High VoltageVIH0.8*IOVCCIOVCCV
Input Low VoltageVIL00.2*IOVCCV
Output High VoltageVOH0.8*IOVCCV
Output Low VoltageVOL0.2*IOVCCV

Backlight Circuit Characteristics

ItemSymbolMin.Typ.Max.Unit
LED CurrentIB3040mA
LED VoltageVf2.83.03.2V
CIEX0.2650.2950.325
Y0.260.290.32
Brightness of LCML350400cd/m2

Reliability Test Items

Test ItemTest ParametersKey factors for determining test results
High temperature storage80±3 ℃,48H;
Low temperature storage-30±3 ℃,48H;
High temperature storage70±3 ℃,48H;Inspection after 2~4hours storage at roomtemperature,
Low temperature operation-20±3 ℃,48H;the sample shall be free from defects:
High temperature/humidity60℃±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~10Hz3.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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