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This article contains checklists when you purchase or received your new set of LCD Televisions from your local shop. Your new set of LCD TV might be the super perfect set from the manufacturers like Sony, Sharp or Samsung (3S, J), but most of the time, we might not that lucky. Additionally, some of these defects are not consider defect for the manufacturer and not qualify for warranty claim, or may come with one to one exchange within 3 or 7 days of purchased. By the way, hope this check lists help you to make full use of your hard earn money.

Defective Pixels (Hot Pixels, Dead Pixels, Stuck Pixels)

LCD Display Pixels With 3 Sub-Pixels

Defective pixels plague almost every brand of LCD televisions manufacturer like top brand Sony, Samsung, Sharp and LG. The LCD monitors in your office desktop, or laptop LCD monitors might have defective pixels problem too. Each pixel consists of three sub-pixels, which are red, green and blue. Each sub-pixel can be controlled independently to yield different combination of color. All the pixels arrange side by side and control the color of each pixel individually, and a whole bunch of well arrange pixels in order yield an image on the LCD television screen panel. Defective pixels can be categorizing to three type, which are hot pixels, dead pixels and stuck pixels. A hot pixel is a pixel which always on, or called glowing pixel. Hot pixels are usually best seen against dark background. Dead pixel, it opposite of hot pixel, always off (or unlit). Dead pixels are usually best seen against a white background, it just looks like a black dot in the white. However, stuck pixel is one or two sub-pixels are always on or always off. This defective behavior make the pixels only limited to display limited colors and it hardly to be notice except you test through your LCD screen panel.

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