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video wall karachi

What is the function of LCD Polarizer?

Polarizer is an important part of LCD screen. With the emergence of special full matching technology, polarizers are more and more widely used in LCD. What role does polarizer play in LCD?   Polarizer is widely used in LCD industry, and LCD needs to use polarizer. Polarizer and liquid crystal play an important role in development. In the production process, two pieces of ordinary tempered glass are printed on the circuit, and then glued together and folded. Then the liquid crystal is injected into the middle of the two sides of the glass, and the polarizer is pasted on the top and bottom of the glass.   The upper and lower glass should be pasted with polarizer, but pay attention to the direction. If the lower polarizer filters the x-direction light, the upper polarizer can only filter the y-direction light. If the upper polarizer filters out the light in the Y direction and the lower polarizer filters out the light in the X direction, the user can see nothing. Although the LCD works normally, the polarizer is not visible to the naked eye. Now the LCD color screen is generally only on the film, not on the film, the product technology innovation.   People who have studied physics should know what polarized light is. The imaging of LCD must rely on polarized light. All liquid crystals have two polarizers close to the liquid crystal glass to form a liquid crystal sheet with a total thickness of about 1 mm. Without

How to solve the dark spot on LCD screen?

With the progress of science and technology, LCD is more and more popular. However, the inherent and inevitable shortcomings of LCD have also been paid attention to. When it comes to LCD black spots, many people may not understand. Today, I will teach you how to look at black spots. I hope it can help you.   What is the dark spot of LCD? In fact, dark spot is more hidden than bright spot and bad spot, but its influence on use is far greater than bad spot. Sometimes on some screens, there will be some patches that are not very big. The black small class is as big as the soybean, and the big class may be as big as the thumb. Different from the bright and dark spots, the dark color system is only partially dark, which is not easy to find from the front, but only from the side.   The main reason for the formation of dark spots is that the external force has been squeezed for long time. We think that it is probably due to improper handling in the transportation process. LCD screens with black dots are usually hard to find on the front and more obvious on the side (just like the test perspective).We suggest that when you buy LCD, you should not only look at the bad points of the screen, but also look at the surface of the screen from multiple angles, and set the screen to white. If you find

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

55 inch video wall

55 inch 3.5mm narrow bezel video wall study case in Germany

Product: 55 inch 3.5mm narrow bezel DID video wall
Installation time: 2021
Area: Germany
Key features:
• 55 inch 3.5mm narrow bezel video wall

• Original DID-LCD BOE panel
• Good white balance factory setting
• 4K resolution for the whole video wall screen
• Push out bracket, convenient for maintain service
• Daisy chain and DP loop support

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The Open Cell solution is developed, which helps up the expansion of small-scale companies in the LCD industry, An Open Cell is just a part of LCD panel without backlight.

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