With the rapid development of information and electronics, the application of touch display panel is becoming more and more common. At present, touch panel has begun to become an industry in the world. As an advanced computer input device, it is the simplest, convenient and natural at present, and ..

• Source：Hongjia United 2016-1-5

Charger interference Another potential source of touch screen interference is the switching power supply of mobile phone charger. The interference is coupled to the touch screen through fingers, as shown in Figure 5. Small mobile phone chargers usually have AC power live line and zero line input, ..

• Source：Hongjia United 2016-1-5

2、 HMI product Q & A 1. What is the difference between man-machine interface and "touch screen"? Strictly speaking, there are essential differences between the two. Because "touch screen" is only the hardware part that may be used in man-machine interface products. It is an input device ..

• Source：Hongjia United 2016-1-5

Concept and structure of polarizer in liquid crystal display Abstract: polarizer is one of the important materials of liquid crystal display. It is a composite material made of polyvinyl alcohol (PVA) tensile film and cellulose acetate film (TAC) through multiple compounding, stretching and coatin..

• Source：Hongjia United 2016-1-5

Deep analysis of the working principle of resistive touch screen The resistive touch screen is controlled by pressure sensing. The main part of the resistive touch screen is a resistive film screen that fits well with the surface of the display. This is a multi-layer composite film. It takes a lay..

• Source：Hongjia United 2016-1-5

Explanation and difference of VGA, QVGA, WVGA and HVGA terms After VGA, QVGA, WVGA and HVGA resolution products are gradually born, which can be seen everywhere in mobile phone parameters. The following is the explanation and difference of sub terms of VGA, QVGA, WVGA and HVGA. VGA Video graphic..

• Source：Hongjia United 2016-1-5