English
Arabic
Bulgarian
Croatian
Czech
Danish
Dutch
Finnish
French
German
Greek
Hindi
Irish
Italian
Japanese
Korean
Luxembourgish
Malay
Norwegian
Polish
Portuguese
Russian
Spanish
Swedish
Thai
Turkish
Vietnamese
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
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； |
Search keyword: tft 1.44″, 1.44 tft lcd, 1.44″ tft lcd, 1.44 inch tft lcd, tft lcd 1.44, 1.44 tft display, 1.44″ tft display, 1.44 inch tft display, tft display 1.44, tft display 1.44″,tft lcd display,1.44inch lcd screen,1.44inch display screen,small tft ips,small tft lcd,small screen,
Reviews
There are no reviews yet.