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Views: 267 Author: Wendy Publish Time: 2023-06-30 Origin: Site
Have you seen a black spot on your LCD's liquid crystal? It's likely to stick out like a sore thumb whether it's at the top, bottom, or out to the side. The black area will likely be the first thing you see when you turn on the LCD. However, if you are aware of the reasons why black spots appear on LCDs, you may take the required measures to stop them from happening.
Black patches are frequently brought on by only light dirt or debris. The surface of LCDs will eventually become dirty and soiled. This dirt or debris may appear as one or more black spots if it isn't cleaned up. The internal circuitry of an LCD won't be harmed by the black spots, and neither will the LCD's performance be affected. However, if a black spot is being caused by surface dirt or debris, it's a good idea to clean the LCD screen.
Use a moist, not soggy, lint-free microfiber cloth to clean the LCD screen. When the black spot disappears, gently massage the microfiber cloth across the LCD while it is off.
A jammed pixel is another frequent reason for black patches on LCDs. A stuck pixel, as the name suggests, is any LCD or other display device pixel that is unable to change its color. The color of a pixel might change based on the image being shown on a screen. A pixel is regarded as stuck if its color doesn't change.
A dead pixel, which should not be mistaken with a stuck pixel, can also result in black areas on an LCD. What precisely separates a stuck pixel from a dead pixel? When the LCD is turned on, a stuck pixel will illuminate, but it won't change color. On the other hand, a dead pixel won't be removed. In other words, dead pixels have red, green, and blue sub-pixels that are all permanently off. Additionally, dead pixels appear as black areas on screens since they aren't lighted.
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As a reminder, dead or stuck pixels, surface dirt, or debris, as well as black patches, can all affect LCDs. Of course, a surface filth or piece of debris is the easiest thing to remove. In contrast, dead pixels are the most difficult to fix, while stuck pixels are a little harder. You might be able to utilize a third-party flashing tool to fix your LCD if a trapped pixel is causing a black spot.
