You can rest assured to buy customized High Brightness Tft Lcd Display from us. High-brightness TFT displays are equipped with powerful LED backlights and can reach brightness of up to 4500cd/m².
In bright light environments, such as shop windows or outdoors in direct sunlight, TFT displays with normal brightness are often difficult to see and appear dim. Our high-brightness TFT displays use bright backlights and special polarizers to display content clearly under these conditions.
The WF40ESWAA6DNG0 is a high brightness 4-inch square IPS TFT LCD display module with a projected capacitive touch screen (PCAP) and a resolution of 480 x 480 pixels. The module supports a 24-bit RGB interface and uses an IPS panel with a typical wide viewing angle (left: 80 / right: 80 / top: 80 / bottom: 80 degrees), a contrast ratio of 800:1, a high brightness of 800 nits, and an anti-glare surface with an aspect ratio of 1:1.
The WF40ESWAA6DNG0 square TFT LCD display module integrates the ST7701S driver IC with a supply voltage range of 2.5V to 3.6V, with a typical value of 2.8V. The WF40E model can operate normally in an environment of -30℃ to +80℃, and the storage temperature range is also -30℃ to +80℃.
DRAWING
SPECIFICATIONS
Interface
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 supply |
| 5 | R0 | Data bus |
| 6 | R1 | |
| 7 | R2 | |
| 8 | R3 | |
| 9 | R4 | |
| 10 | R5 | |
| 11 | R6 | |
| 12 | R7 | |
| 13 | G0 | Data bus |
| 14 | G1 | |
| 15 | G2 | |
| 16 | G3 | |
| 17 | G4 | |
| 18 | G5 | |
| 19 | G6 | |
| 20 | G7 | |
| 21 | B0 | Data bus |
| 22 | B1 | |
| 23 | B2 | |
| 24 | B3 | |
| 25 | B4 | |
| 26 | B5 | |
| 27 | B6 | |
| 28 | B7 | |
| 29 | SCL | SCL: Serial clock input for SPI interface. |
| 30 | PCLK | Dot clock signal for RGB interface operation |
| 31 | CS |
- A chip select signal Low: the chip is selected and accessible High: the chip is not selected and not accessible |
| 32 | HSYNC | Line synchronizing signal for RGB interface operation |
| 33 | VSYNC | Frame synchronizing signal for RGB interface operation |
| 34 | DE |
Data enable signal for RGB interface operation Low: access enabled High: access inhibited |
| 35 | SDA | SDA: Serial data input/output bidirectional pin for SPI Interface. |
| 36 | RESET |
- The external reset input - Initializes the chip with a low input. Be sure to execute a power-on reset after supplying power. |
| 37-40 | NC | No connect |
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 | 4.0 | inch |
| Dot Matrix | 480 × 3(RGB) × 480 | dots |
| Module dimension | 78.8(H) × 82.95 (W) × 7.17 | mm |
| Active area | 71.856(H) × 70.176 (V) | mm |
| Dot pitch | 0.1497(H) × 0.1462(V) | mm |
| LCD type | TFT, Normally Black, Transmissive | |
| View Direction | 80/80/80/80 | |
| Aspect Ratio | 1:1 | |
| Interface | 24-bit RGB | |
| Driver IC | ST7701S or Equivalent | |
| Backlight Type | LED, Normally White | |
| PCAP IC | ST1633I or equivalent | |
| PCAP Interface | I2C | |
| PCAP FW Version: | V01 | |
| Touch Panel | capacitive touch panel (PCAP) | |
| Surface | Anti-Glare | |
Absolute Maximum Ratings
| Item | Symbol | Min |
| Operating Temperature | TOP | -30 |
| Storage Temperature | TST | -30 |
Electrical Characteristics
Typical Operation Conditions
| Item | Symbol | Values | Unit | ||
| Min. | Typ. | Max. | |||
| Interface Supply Voltage | VCC | 2.5 | 2.8 | 3.6 | V |
| Current for Driver(White) | IVCC | - | 27 | 40.5 | mA |
| Supply PCAP | VDDT | 2.8 | - | 3.3 | V |
| ICTP(mA) | - | 12.4 | 18.6 | mA | |
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Address
Hongji E-Valley, No. 23 Tongji West Road, Nantou Town, Zhongshan City, Guangdong Province, China
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