how to use automatic hand sanitizer dispenser

Improve the contrast of the LED display: Contrast is one of the key factors that affect the visual effect. Generally speaking, the higher the contrast, the clearer and more vivid the image, and the brighter and brighter the color. High contrast is very helpful for image clarity, detail performance, and gray level performance. Increase the gray level of the LED display: the gray level of the LED display refers to the brightness level that can be distinguished from the darkest to the brightest of the single primary color brightness. The higher the gray level of the LED display, the richer the color , The color is brighter; on the contrary, the display color is single and the change is simple. The increase of the gray level can greatly increase the color depth, making the display level of the image color increase geometrically. Nowadays, many LED display manufacturers can set the gray scale of the display to 14bit~16bit, so that the image level can distinguish the details and the display effect is more delicate, vivid, and colorful. Narrowing the dot pitch of the LED display: narrowing the dot pitch of the LED display can greatly improve the clarity of the display screen, because the smaller the dot pitch, the higher the pixel density per unit area of ​​the LED display, and the more details that can be displayed More, the screen display is more delicate and lifelike. The combination of LED display and video processor: The LED video processor can use

Digital signage is a problem that we have discussed more recently, because digital signage is a relatively advanced identification product, and it is also a direction of the development of the sign industry. Therefore, it is reasonable for us to analyze the key points of digital signage. On the one hand, we can strengthen the promotion of digital signage. On the other hand, we can also help the promotion of digital signage. Today, our theme is an integral part of digital signage, that is to say, digital signage. What are the parts? We sorted out the following 4 parts: 1. The shell part, the shell is the part that we can see intuitively. The digital signage is not just a screen. The digital signage we see in reality will be in various shapes, looks very beautiful and generous, not alone The display, therefore, this shell has a very important decorative role. Although it does not help digital signage in terms of function, digital signage is also part of the entire identification system. Of course, the outline of the shape needs to be consistent with the overall style, so , This shell is essentially as important as other identification products. 2. Display, what we have a deeper understanding of digital signage at this stage should be the touch screen. This is a typical display device and an important link between digital signage and users. 3. The operating system and the shell have no soul, and the display itself has no soul.

As the COVID-19 epidemic breaks out all over the world, all walks of life are suffering from the impact of the epidemic, and the LCD industry has also suffered a cold winter, and demand has fallen sharply. The epidemic is a new test for the entire LCD panel industry chain. In previous years, at the China Import and Export Fair, twice a year, you could see people from all over the country going to Guangzhou to participate in the exhibition. But this spring, compared to face-to-face cooperation negotiations in the exhibition hall, all advertisers and LCD purchasers had to find another way to negotiate this year’s market cooperation projects. All LCD companies in Shenzhen have a problem in survival in such a big environment. It is understood that due to the impact of the epidemic, sales staff of many companies keep product prices low in order to place orders, but do not consider whether the quality of product accessories is satisfactory, which added many unnecessary after-sales problems to buyers. In other words, while pursuing low prices, we also need to pay for the quality problems caused by low prices. We hope everyone chooses carefully.