Model No. WF39BTLASDNT0
►Size : 3.9”
►Resolution : 480x128 dots
►View Direction : 6H
►Interface : RGB
►Driver IC : HX8278-A
►Control-Board : Without control board
►Brightness(cd/m²) : 350
►Frame Through Hole : No
►Touch Screen : Resistive Touch Screen
WF39BTLASDNT0 is a 3.9-inch widescreen stretched bar LCD display with an integrated resistive touch panel. This WF39B model features a resolution of 480x128 pixels, built-in HX8278 driver IC, and supports an RGB 24-bit interface. It operates with a typical 3.3V power supply and supports SYNC mode or DE mode, with the default set to SYNC mode. Its luminance is 350 nits, with a contrast ratio of 500:1. The viewing angle is at the 6 o'clock position, and the grayscale inversion direction is at the 12 o'clock position. It can operate within a temperature range of -20℃ to +70℃, with storage temperatures ranging from -30℃ to +80℃.
This 3.9-inch Bar Type WF39B TFT-LCD display offers high-quality, vibrant images, making it especially suitable for applications in server systems, audio systems, advertising displays, automotive/aviation/marine equipment, security equipment, 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) × 4.58(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 Or Equal | |
| TFT Interface | RGB-24BIT (SYNC mode) | |
| Touch Screen | Resistive Touch Screen (RTP) | |
| 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 LCM | VCC | － | 3.0 | 3.3 | 3.6 | V |
| Supply Current For LCM | ICC | － | － | 15 | 25 | mA |
| 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 | XR | Right electrode |
| 38 | YD | Bottom electrode |
| 39 | XL | Left electrode |
| 40 | YU | Top electrode |
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