Ⅰ. Basic content
A 3.97-inch display screen refers to a display screen with a screen diagonal size of 3.97 inches. This type of screen is widely used in various products, such as medical infusion stick display, household appliance display (range hood, coffee machine, juice machine, refrigerator, etc.), driving recorder display, musical instrument display, facial recognition equipment display, Security access control display, etc.
In terms of technical parameters, the 3.97-inch display has a resolution of 480×800 pixels, a driver IC of NT35510, and a brightness of 320-800cd/m2 (typical value). In addition, this type of display can be customized and developed to change the backlight brightness and interface type. Generally, there are two types: TN normal viewing angle and IPS full viewing angle. They can be adjusted with polarizers and have wider viewing angles, high-definition and high-brightness wide viewing angles. The 3.97-inch display of some models can also add touch screen control, including CTP capacitive touch screen and RTP resistive touch screen.
Ⅱ. Display technical parameters
The 3.97-inch display has the following specific technical parameters:
- Screen size: 3.97 inches.
- Screen type: IPS TFT-LCD.
- Resolution: 480(RGB) * 800.
- Viewing direction: IPS full viewing angle.
- Backlight type: White LED.
- Driver IC: ST7701S.
- Interface type: MIPI.
Ⅲ. Recommend low-cost products
Resolution : 480 x 800 View Direction:Free Interface: MIPI Controller IC: ST7701S Touch panel: RTP/CTP Brightness: 250 cd/m² Outline Size (mm):57.14（W）* 96.85（H） * 1.85(T)
Ⅳ. The 3.97-inch display has the following advantages:
- Moderate size, suitable for various portable devices, such as mobile phones, tablets, etc.
- High definition can provide better visual effects and clearer display of images and videos.
- High brightness, can be used in bright environments without affecting the display effect.
- High contrast ratio for richer colors and deeper blacks.
- The wide viewing angle allows the screen to be viewed from different angles without distortion or chromatic aberration.
- The response speed is fast and can better support dynamic image and video display.
- It has low energy consumption, which can reduce the battery consumption of the device and improve the endurance of the device.
- May have touch screen functionality to facilitate user operation and interaction.
- It has good durability and stability and can ensure long-term use and reliability requirements.
In short, the 3.97-inch display screen combines the advantages of portability, visual effects, operability and stability, and is an excellent display solution.