digital signage without internet

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digital signage without internet

Why don’t colors look the same across different devices?

It is a common misconception that all electronics should exhibit the same colors, especially with devices with the same make and model. However, this is often not the case. Have you considered what’s actually causing the picture to look different? It is a common misconception that all electronics should exhibit the same colors, especially with devices with the same make and model. However, this is often not the case. This is illustrated with a simple experiment: when you put the same image on two monitors side-by-side, you have at least a 95% of chance that the images will not look the same, and you will probably find yourself in a situation like that shown in Figure 1. The monitors do not need to be the same make and same model, but for illustration purposes, we used four identical monitor images.                  Different colors on same kind of Devices                                                                                Figure 1: Different colors on the same type of device Another place to witness this phenomenon is when you are shopping for a new TV. Most people go to a large electronics store and decide between the TVs on display. Then, you pick the one with the colors or image quality (or price) that you find

The principle of seamless splicing of LCD splicing screens

LCD splicing screens are divided into optical seamless LCD splicing screens and electronic seamless LCD splicing screens. The realization principle of the optical seamless LCD splicing screen is to install a special optical glass panel body on an ordinary 3.5mm panel, and realize the principle of line-of-sight refraction through the glass, so that the originally split screen can be seen in an image through the optical glass , The seams with black edges are completely invisible, and the display effect of the picture is real. The realization principle of seamless LCD splicing screen electronics is that by installing a special electronic bar on each panel unit, the electronic bar emits light equivalent to LED, and the light is emitted by two electronic bars between the seams, which can be displayed on the display. Achieve seamless seams. The seamless LCD panel joining technology has reached an unprecedented level, realizing the arrival of the era of true seamless joining technology. The seamless LCD panel joining technology is used in the high-end display field. It can be said that the visual impact it brings is also unprecedented. The seam adopts full-screen active LED electronic pixel compensation display, and the optical lens and optical refraction principle are seamless. The pixel pitch of LED electronic pixel correction is 1.5mm or less. The electronic pixel compensation LED adopts SMD label technology and does not use large particle lamp-like display. After LED electronic pixel correction, the edge of the condenser lens with high transmittance is added to

The difference between the projector’s LCD and DLP seamless splicing screen projection

When consumers choose a projector, they usually encounter two keywords, LCD and DLP. What are the LCD and DLP seamless splicing screen projection technologies of the projector and what are the differences? Please see below. With the development of science and technology, projection technology has gradually entered the era of digital technology from LCD technology. Nowadays, the application of projectors has spread to all walks of life and came into being. There are also various brands in the technology market. For users who want to choose products, there is only one old saying: choose only the right ones, not the ones Dear. What are the LCD and DLP seamless splicing screen projection technologies of the projector? Here, I only use my personal understanding of the two major technologies of the projector to make some comments on the adaptation direction of the two types of technical products, so as to facilitate the majority of users to consider when choosing products. Liquid crystal technology is famous for its bright colors, lifelike images, high number of colors, and rich image levels. Suitable for multimedia, film and television, advertising and other industries. The disadvantage is that the light source loss is large, and the background color of the screen cannot achieve a pure white effect; after long-term use, the LCD panel is easy to age, the color is easy to attenuate, the imaging unit is larger, and the heat dissipation requirements are high. Therefore, the appearance of the LCD technology projector is general The

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