Have you purchased a new TV with an LCD screen? But at home you found in some places on the TV screen lights - what is it? Defect, marriage or norm? Let's figure it out.
Highlights are some parts of the screen that have uneven illumination. It should be noted that the lights are to some extent present on any LCD TV with LED-backlight . And it does not depend on the manufacturer's firm, but is a side effect of the LED-backlight technology.
In fact, the installation of liquid crystal matrices is the most important procedure, requiring accuracy and accuracy. In the event that the matrix film is installed with at least a minimal deviation, the light will come into the gap from the LED lamps, which will be a light. Typically, the larger the diagonal of the screen, the more likely the presence of blemishes stains. This is due to the fact that in the mass production of LCD TVs, there is no way to properly control the quality of equipment. However, the presence of such light on the edges of the TV is not a defect and is considered the norm if these spots are not noticeable in a dynamic picture under normal lighting conditions.
How to check LED TV for light?
From all the above it can be concluded that there is no certain standard for the amount of highlights. Therefore, when buying a TV set directly in the store, you should do a check on the light and decide for yourself with the permissible deviation. To do this, first copy onto a flash drive a picture of a black color with a size of 1920x1080. When buying, ask the seller to include this picture in the photo viewer mode and give the TV 20-30 minutes to work. There should not be many highlights, so that when viewing the dark shots further, this is not striking. It should be noted that they will be more pronounced in the absence of daylight or artificial light.
How to remove the light on the TV?
You can independently try to minimize the amount of light, reducing the adaptive backlight in the TV settings and turning on a small external lighting. Of course, you can contact the outlet where you made the purchase, or directly to the service center. Perhaps, the service will eliminate light by loosening the mounting of the matrix to the front of the TV, which is strongly discouraged to do by yourself. And maybe you just will be offered to change your TV to another model, which will suit you more.