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LCD brightness and LCD backlight requirements

LCD brightness Brightness represents the amount of brightness of a picture per unit area. Specifically, the density of the amount of light passing through the normal direction of the screen. The unit is [CD / m2] or nit(1 nit = CD / m2).Brightness depends on the amount of light passing through the LCD and color film, and the brightness of the backlight.   LCD backlight requirements: The liquid crystal should have good transmittance; light weight; It should be thin and not easy to damage; The area light source with uniform brightness is the best; Low cost; The light color is pleasing to the eye, the primary color is rich, and the brightness can be adjusted; Low power consumption and easy power supply

Why is the larger the size of LCD, the more difficult it is for the factory to do?

LCD mainly consists of LCD black-and-white screen and TFT color screen. The following mainly introduces the relationship between the manufacturing difficulty and size of LCD black-and-white screen: According to expert statistics, the size and process difficulty of LCD segment code screen have such a rule: the larger the size, the more complex the manufacturing process. The main reasons are as follows:   The larger the size of LCD, the more difficult it is for staff to operate.   The larger the size of LCD is, the higher the requirement of equipment grade is.   The larger the size of LCD, the higher the defect rate of the product.   The larger the size of LCD, the more bad things will appear, such as darkening.

Features of Digital Signage

Digital signage is a brand-new media concept. It refers to a multimedia professional that publishes business, financial and entertainment information through large-screen terminal display devices in large shopping malls, supermarkets, hotel lobbies, restaurants, cinemas and other public places. Audiovisual system. Its purpose is to broadcast advertising information to a specific group of people in a specific physical place and a specific time period, so that it has the effect of advertising. In public places, the convenient Digital Signage is expected to meet the public’s needs for information circulation. Only with the help of Digital Signage, information can be transmitted to the public, publicity, etc.; with the touch screen technology that is simple to operate and easy to maintain, it is suitable for inquiries and visits of different groups of people, and expands the scope of information transmission. It can provide the public with traffic information, self-booking/appointment, public facilities query, tourism, entertainment, special catering and other public query information. The use of wireless communication terminal equipment can also facilitate the downloading of query results, which is an excellent solution for improving public information and shaping the image of the city. It can be effectively applied to typical places such as government affairs halls, squares, airports, stations, hotels, etc. The invention of digital signage provides people with a new and dynamic way of information exchange. Whether on the street or in a department store, people can often see signs promoting the latest products. Business people who travel frequently are also very familiar

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