At present, with the rapid development of the digital signage industry, the touch display screen is visible from the early expensive price to the current Huimin price. The screen is larger than an ordinary display, and the configuration is higher to easily meet the needs of customers, and the price is also popular with the public. The LCD touch screen has been developed for a long time, and the current technology is very mature, and the cost is lower than that of the OLED screen. The service life is long enough.
The LCD screen uses inorganic materials, while the OLED screen uses organic materials. The aging speed is faster. When the backlight of the touch LCD screen passes through the first polarizer, only the polarization direction of the polarizer can pass the corresponding part of the light. Since the direction is perpendicular to the second polarizer, it cannot pass through. The liquid crystal material is used to adjust the direction of the polarized light after the first polarizer, and it can quickly pass through the second polarizer.
The concept of touch screen
A touch screen is a touch screen. It does not have the function of displaying images. It is basically a transparent screen, which looks like a piece of glass. The display screen (the display screen used with the touch screen is usually a liquid crystal screen, that is, LCD) is used to display images , Can’t perceive touch;
The LCD touch display is made by the combination of a touch screen and a display screen. Generally, touch devices display images on the upper side of the display screen and cover a touch screen for more users to experience the operation.
The touch screen has many advantages such as sturdiness and durability, fast response speed, space saving, and easy communication. Customers can quickly get the information they want to know as long as they lightly touch the screen of the machine with their fingers, so that the customer can interact with the machine more experience.
Lcd touch screen: Generally speaking, it is made by pressing the screen together with the touch material. The characteristic is that the volume is thin and does not take up space. The radiation range is small, which is good for health and harmless. No flicker is more obvious, it is very friendly to the eyes and not dazzling.
