Introduction Of Led

By Author: sudarshan singh
Total Articles: 327
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1. LCD LED PlasmaLED screens are simply LCD screens that use tiny light emitting diodes (LED) for back lighting instead of the cathode fluorescent lamps (CFL) lighting traditionally used for LCDs. Both types of screens employ the liquid crystal diode (LCD) technology front panel containing the “twisting crystals” which define LCD technology.

2. LED with a lot of advantages is unnecessary special apparatus, and installed in the illuminator such as fluorescent lamps that are now. In a word, it can be replaced with the LED lighting without buying new apparatus.

3. LED screens feature two main forms of back lighting, edge lighting and local dimming. Edge lighting has LEDs around the edge of the panel and this allows for extremely thin construction. Local dimming back lighting features banks of LED lights behind the panel and these banks can be controlled to lower the amount of back lighting in dark areas of the screen and raise it in bright areas for higher contrast and more realistic blacks.

4. It becomes easy for the color of the tatami mat to discolor so that the incandescent lamp and the fluorescent ...
... lamp put out ultraviolet rays. However, the color of the tatami mat discolors because LED hardly puts out ultraviolet rays. For that characteristic, the LED lighting is used also for cultural assets and artistic productions where is sensitive to ultraviolet rays.

5. contrast LCD LED PlasmaLocal dimming LED screens employ back lighting to dim the back light in areas where the screen should be dark, resulting in more depth and a more “true” black colour, than that of many LCD screens.

6. viewing LCD LED PlasmaWhat seems to have the greatest impact upon the viewing angle is the quality of the clear glass panel on the front of either LCDs or LED screens. The thicker and higher quality glass panels offer a better viewing angle and less glare.
LED - Gaming

7. gaming LCD LED PlasmaThe biggest difference here is somewhat unrelated to the technology but rather dependent upon whether or not the screen has a game mode, that cuts down on the amount of picture processing. Without the game mode there can be noticeable input lag, since the screens processing ability is not able to keep up with the speed of the game, resulting in what is commonly known as “ghosting”. Since LED screens often cost more, they often have a gaming mode feature.

8. longelivity LCD LED PlasmaMost manufacturers are claiming approximately 100,000 hours lifetime for their screens and this seems to be independent of what type they are, however it is rumoured that LED screens have a habit of outliving LCD screens.

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