Model No. WF18HSLAADNN0
►Size：1.77 inch (Equivalent to 1.8" TFT module)
►Resolution：128x160 pixels
►View Direction: 6H
►Interface: SPI
►Driver IC：ST7735S
►Control-Board : No
►Brightness(cd/m²): 900
►Frame Through Hole: No
►Touch Screen : Without touch screen
WF18HSLAADNN0 is a portrait mode 128x160 TFT LCD display module with a diagonal size of 1.77 inches and an active area of 28.03 x 35.04 mm. This 128x160 TFT display offers 900 cd/m² brightness (typical value), a 500:1 contrast ratio (typical value), 6 o'clock view direction, and 12 o'clock gray scale inversion direction.
The module is built with an ST7735S driver IC and supports SPI interfaces. Its power supply voltage ranges from 2.5V to 3.7V, with a typical value of 2.75V. The operating temperature is -20℃ to +70℃, and the storage temperature is -30℃ to +80℃. The WF18HSLAADNN0 is suitable for a variety of applications, including portable devices, household appliances, toys, and medical devices.
| Item | Dimension | Unit |
|---|---|---|
| Size | 1.77 | inch |
| Dot Matrix | 128 × RGB × 160(TFT) | dots |
| Module dimension | 34.0(W) × 45.83(H) × 2.65(D) | mm |
| Active area | 28.03 × 35.04 | mm |
| Dot pitch | 0.073 × 0.219 | mm |
| LCD type | TFT, Normally White, Transmissive | |
| View Direction | 6 o'clock | |
| Gray Scale Inversion Direction | 12 o'clock | |
| Aspect Ratio | Portrait | |
| TFT IC | ST7735S or Equivalent | |
| Interface | SPI | |
| Backlight Type | LED, Normally White | |
| Touch Panel | Without Touch Panel | |
| Surface | Anti-Glare | |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Analog | VCI | － | 2.5 | 2.75 | 3.7 | V |
| Supply LCM current | ICC | － | － | 0.9 | 2 | mA |
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| LED current | - | - | 40 | - | mA |
| Power Consumption | - | - | 124 | - | mW |
| LED voltage | VBL+ | 2.9 | 3.1 | 3.4 | V |
| LED Life Time | - | 50,000 | - | - | Hr |
| Pin | Symbol | I/O | Function |
|---|---|---|---|
| 1 | LED+ | P | Back light anode |
| 2 | LED- | P | Back light cathode |
| 3 | SPI4W (VCC=4 WIRE) |
I | - SPI4W='0', 3-line SPI Enable. - SPI4W='1', 4-line SPI Enable. |
| 4 | VCC | P | Power Supply. |
| 5 | GND | P | Ground |
| 6 | CS | I | Chip enable (CSX) |
| 7 | RST | I | Reset signal (RESX) |
| 8 | SDA | I/O | Serial input/output signal in serial interface mode. |
| 9 | SCL | I | In Serial Interface, this is used as SCL. |
| 10 | D/C | I | Data/ command selection. (D/CX) |
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