TFT LCD Capacitive Touchscreen 4.3"
Model No. WF43VTZAEDNG0
►TFT Capacitive Touchscreen, LCD Capacitive Touchscreen (PCAP)
►Size : 4.3”
►Resolution : 480 x 272 dots
►View Direction : O-TFT
►Interface : RGB
►TFT Driver IC : ST7282
►Control-Board : Option
►Brightness (cd/m²): 300
►Frame Through Hole: Option
►O-Film: Yes
►Touch Screen : Projected capacitive touch screen (PCAP)
►Detect Point : 5 Fingers
DESCRIPTION
If your applications require a wider viewing angle, Winstar O Film TFT technology will be what you need. There are many wider view angle technology for TFT displays in the market such as MVA (Multi-domain Vertical Alignment) and IPS (In-Plane Switching). Comparing to the MVA or IPS technology, O Film TFT has the advantage of pricing.
Most industrial application of TFT-LCD glasses that are available in the market are TN-LCD type. However, TN technology suffers from phenomenon called gray scale inversion. This means the display have one viewing side in which color of the image change suddenly after exceeding specified view angle. Therefore, the normal TFT models we offer which the viewing angle are limited. Currently, we offer a solution to enhance TN glass viewing angle and can overcome gray scale inversion. This is our TFT O-Film solution.
The modle of WF43VTZAEDNG0 is a standard 4.3 inch O Film TFT LCD Capacitive Touchscreen Display which with a wide view angle solution. Winstar offers a wider view angle solution for our TFT product line. We add an O Film on top of the TFT TN-LCD glass to enhance the viewing angle. This will be a cost effectiveness solution in the industrial application for color TFT displays to enhance the view angle.DRAWING
SPECIFICATIONS
Interface
1.LCM PIN Definition
| Pin | Symbol | Function |
|---|---|---|
| 1 | VLED- | Power for LED backlight cathode |
| 2 | VLED+ | Power for LED backlight anode |
| 3 | GND | Power ground |
| 4 | VCC | Power voltage |
| 5 | R0 | Red data (LSB) |
| 6~11 | R1~R6 | Red data |
| 12 | R7 | Red data (MSB) |
| 13 | G0 | Green data (LSB) |
| 14~19 | G1~G6 | Green data |
| 20 | G7 | Green data (MSB) |
| 21 | B0 | Blue data (LSB) |
| 22~27 | B1~B6 | Blue data |
| 28 | B7 | Blue data (MSB) |
| 29 | GND | Power ground |
| 30 | CLK | Pixel clock |
| 31 | DISP | Display on/off |
| 32 | HSYNC | Horizontal sync signal; negative polarity |
| 33 | VSYNC | Vertical sync signal; negative polarity |
| 34 | DE | Data Enable |
| 35 | NC | No connection |
| 36 | GND | Power ground |
| 37~40 | NC | No connect |
2. PCAP PIN Definition
| 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 |
General Specifications
| Item | Dimension | Unit |
|---|---|---|
| Size | 4.3 | inch |
| Dot Matrix | 480 × RGB × 272 (TFT) | dots |
| Module dimension | 105.5(W) × 67.2(H) × 4.6(D) | mm |
| Active area | 95.04 × 53.856 | mm |
| Dot pitch | 0.066 × 0.198 | mm |
| LCD type | TFT, Normally White, Transmissive | |
| Aspect Ratio | 16:9 | |
| TFT Driver IC | ST7282 | |
| TFT Interface | 24-bit RGB | |
| Backlight Type | LED, Normally White | |
| PCAP FW Version | 3 | |
| PCAP IC | FT5426DQ8 or equivalent | |
| PCAP Interface | I2C | |
| Touchscreen | Projected capacitive touchscreen (PCAP) | |
| Surface | Glare | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
Electrical Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage For Logic | Vcc | 3.1 | 3.3 | 3.5 | V |
| Supply Voltage For Touch Logic | VDDT | 2.8 | — | 3.3 | V |
| Digital operation current | ICC | 22 | 33 | mA |
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