LED light source for DLP seamless splicing screen.outdoor full color led tv advertising display

　　From a technical perspective, analyzing the DMD technology in the LED light source of DLP seamless splicing screen requires the use of color wheel splitting, which not only results in a loss of light source efficiency, but also affects noise, rainbow effect, and single panel color. If primary color LED light source can be achieved, DLP not only improves color quality, but also may achieve "no consumables"; In terms of LCD, if the primary color LED light source is also used, its optical path will be greatly simplified, and dust and heat dissipation are no longer a major issue.

　　The LED light source used in the DLP seamless splicing screen, also known as light-emitting diode, uses a solid semiconductor chip as the light-emitting material. When a forward voltage is applied at both ends, the charge carriers in the semiconductor recombine, releasing excess energy and causing photon emission to produce visible light. LED light sources have long been applied in the fields of display and lighting.

　　High brightness LEDs have been around for a long time, but due to significant technical difficulties in manufacturing high brightness blue LEDs, there is a lack of color in the red, green, and blue primary colors of high brightness LEDs, which have been unable to be used as light sources for projectors. In recent years, the technical difficulties in the production of high brightness blue light LEDs have been solved, and high brightness tri color LEDs have been fully resolved, making them the backlight for LCD displays in projectors.

　　The LED light source of DLP seamless splicing screen will bring more perfect color performance, greatly improving color reproduction. At the same time, the compact size and low power consumption will enable the projector to achieve true anytime and anywhere projection. The ultimate demands of projectors such as small size, long lifespan, and fast shutdown can be solved through LED light sources.

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