China 2.1 inch Round tft touch screen RGB Manufacturers, Suppliers, Factory

In addition, when designing the touch screen circuit principle, the grounding of the FPC cable can be increased, or the touch screen cable can be covered with double-sided black electromagnetic film, which can also reduce the electromagnetic interference problem of the touch screen in practical applications. Shenzhen Hongjia Technology has been professionally developing and producing 1.14-inch to 10.1-inch displays and supporting touch screens for 12 years. It has a R&D team of more than 20 people who are familiar with solving common problems in the industry and can reduce troubles for customers.

A 4.0 inch Round LCD module is an electronic display component that provides a clear and high-resolution visual output. Here are a few reasons why you might need this module:

Ordinary LCD screens use CCFL light sources, that is, cold-cathode fluorescent lamps (similar to the scanning lamps in the copy), with one on each side of the screen and a backlight on the back of the display, which is composed of fluorescent substances. The light sources on both sides can be evenly distributed on the back of the entire screen, so that the entire screen can be evenly illuminated. However, due to technical limitations, the brightness of such a display is not completely uniform, but it is difficult to find it. At the same time, the lamp also has a certain lifespan, and it will turn yellow after a long time.

Are you facing a black screen on your LCD display? This problem can be frustrating, and it can be challenging to identify the root cause and resolve it. In this article, we will discuss some common reasons for this problem and share some tips on how to fix it.

LCD screen itself has problems. If it is indeed the screen itself that is at fault after testing with relevant instruments, in addition to replacing a new LCD screen, the device-related software should be debugged and optimized so that the screen can work with the motherboard's CPU. The best way is to increase the OSC frequency of the IC and see how the LCD screen flickers. Of course, if the TFT LCD screen has separate row and column drivers, you can also adjust it by setting the driver chip.

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.