China 3.98 inch tft with touch screen MCU Manufacturers, Suppliers, Factory

The LCD screen itself does not emit light, and a backlight needs to be added to the back of the glass for normal display. This involves how to test the surface brightness and backlight uniformity of the LCD screen. The brightness of the LCD screen surface and backlight brightness are measured through BM -7 equipment test, the test is more accurate when the display is powered normally and displays a solid color picture.

IPS is the abbreviation of In-Plane Switching in English. The English meaning is in-plane switching hard screen technology, commonly known as "hard screen". It is the most advanced LCD panel technology in the world. Like wearing glasses. Generally, more mainstream mobile phones will use IPS screens, which have excellent display effects, so it has become one of the major selling points of many mobile phones.

Shenzhen Hongjia Technology has been professionally engaged in the research and development, production and sales of 1.14-inch to 10.1-inch display screens and supporting touch screens for 12 years, including consumer electronic display screens, industrial display screens, military display screens, medical display screens and outdoor sunlight-readable display screens, etc. The 3.97-inch outdoor readable display screen is semi-reflective and semi-transparent, with a resolution of 480*800, supports RGB interface and MIPI interface, uses the conventional ST7701 driver IC, has a stable supply, and can also be customized.

How MCU Drives LCD Screen and Design Considerations

4.0inch display supports SPI/MCU interface, supports horizontal screen display、8/16BIT MCU+SPI