Model No. WF39BTLASDNGA
►Size : 3.9”
►Resolution : 480x128 dots
►View Direction : 6H
►Interface : RGB
►Driver IC : HX8278-A
►Control-Board : Without control board
►Brightness(cd/m²) : 400
►Frame Through Hole : No
►Touch Screen : Projected capacitive touch panel (PCAP)
►Detect Point : 5 Fingers
The WF39BTLASDNGA is a 3.9" Bar-type WF39B series widescreen TFT display with a capacitive touch panel from WINSTAR. This model features a resolution of 480x128 pixels and is equipped with the driver IC HX8278-A. It supports an RGB-24bit interface and operates with a 3.3V (typical) power supply. It supports both SYNC and DE modes, with the default set to SYNC mode. The display has a luminance of 400 cd/m² and a contrast ratio of 500:1, with the grayscale inversion direction at 12 o’clock. It operates within a temperature range of -20°C to +70°C, and its storage temperature range is -30°C to +80°C.
This 3.9-inch panoramic widescreen WF39B TFT-LCD display delivers high-quality and colorful images. It is especially suitable for server systems, audio systems, advertising displays, automotive/aviation/marine equipment, security systems, industrial equipment, outdoor intercom systems, control panels, medical equipment, and drone controls.
| Item | Dimension | Unit |
|---|---|---|
| Size | 3.9 | inch |
| Dot Matrix | 480 × 128 × RGB (TFT) | dots |
| Module dimension | 105.5(W) × 37.0(H) × 5.13(D) | mm |
| Active area | 95.04 × 25.34 | mm |
| Dot pitch | 0.066(W) × 0.198(H) | mm |
| LCD type | TFT, Normally White, Transmissive | |
| View Direction | 6 o'clock | |
| Gray Scale Inversion Direction | 12 o'clock | |
| Aspect Ratio | Bar Type | |
| Backlight Type | LED, Normally White | |
| Driver IC | HX8278-A | |
| TFT Interface | RGB-24BIT (SYNC mode) | |
| PCAP IC | GT911 | |
| PCAP FW Version | 77 | |
| Touch Screen | Projected capacitive touch screen (PCAP) | |
| Surface | Glare | |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage For LCM | VCC | 3.0 | 3.3 | 3.6 | V |
| Supply Current For LCM | ICC | － | 15 | 25 | mA |
| Supply Voltage For Touch Logic | VDDT | 2.8 | － | 3.3 | V |
| IDDT | － | 13.0 | 20.0 | V |
| No. | Symbol | Description |
|---|---|---|
| 1 | VLED- | Backlight LED Cathode |
| 2 | VLED+ | Backlight LED Anode. |
| 3 | GND | System Ground |
| 4 | VCC | Power supply for logic operation |
| 5~12 | R0~R7 | Data bus |
| 13~20 | G0~G7 | Data bus |
| 21~28 | B0~B7 | Data bus |
| 29 | GND | System Ground |
| 30 | DCLK | Pixel clock signal |
| 31 | DISP | Display on/off control |
| 32 | HSYNC | Horizontal Sync signal |
| 33 | VSYNC | Vrtical Sync signal |
| 34 | NC | No connection (Option DE) |
| 35 | NC | No connection |
| 36 | GND | System Ground |
| 37 | NC | No connection |
| 38 | NC | No connection |
| 39 | NC | No connection |
| 40 | NC | No connection |
| Pin | Symbol | Function |
|---|---|---|
| 1 | VSS | Ground for analog circuit |
| 2 | VDDT | Power Supply : +3.0V |
| 3 | SCL | I2C clock input |
| 4 | NC | No connect |
| 5 | SDA | I2C data input and output |
| 6 | NC | No connect |
| 7 | /RST | External Reset, Low is active |
| 8 | NC | No connect |
| 9 | /INT | External interrupt to the host |
| 10 | VSS | Ground for analog circuit |
widescreen tft
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