The prospect of LED light source in the projector market

The principle of LED illumination is different from that of incandescent lamps and gas discharge lamps. The energy conversion efficiency of LED light source is very high. In theory, it can achieve 10% energy consumption of incandescent lamps. LED can achieve 50% energy saving effect compared with fluorescent lamps. . The energy saving effect is remarkable, which is undoubtedly of great significance for promoting low carbon. LEDs can also be combined with solar cells for energy saving and environmental protection. It is understood that the current life of LED bulbs for projectors is 50,000-60,000 hours, even if it is used for 5 hours a day, it can be used for 6,000 days, that is, more than 16 years. This is beneficial to the user's recognition and acceptance of the projector, and the probability of occurrence of purchase behavior will be greatly improved.

Whether it is high-definition or micro-projector, it has high expectations for LED light sources. Compared with the traditional light source, the LED light source has three obvious advantages: the small size is a cold light source, and the heat dissipation module can greatly reduce the development trend of miniaturization; the color gamut range is high, which makes up for the defect that the traditional light source lacks color. More in line with the requirements of high definition. Therefore, we can see that the world's top 500 companies, such as Samsung, LG, ACER, DELL, BENQ, HP, etc. have chosen such products as the main product direction of LED projector market.

Recently, Samsung's F10M has brought many advantages to one. It has increased the brightness of LEDs to 1000 lumens and broke the world record. At the same time, it has opened up new application fields for LED projection products, allowing many projector manufacturers to see the broad future of LED light sources. prospect.

According to media reports, well-known manufacturer Hewlett-Packard has joined the ranks of the introduction of pico projectors, HP AX325AA is 0.45-inch DLP, brightness is only 100 lumens, 800:1 contrast value, red / green / blue three-color LED light source, resolution SVGA ( 800x600), projection distance of 2.6 meters, projection size of 15 to 60 inches. The most important thing is that the weight is only 0.42 kg, using D-Sub output, but the projector is a special 30-pin connector, which can be used for 10,000 hours.

LED light source has many features such as small size, low power consumption, long service life, low heat dissipation, wide color gamut, etc. These features also make it the best choice for projectors. However, LED light sources also have their shortcomings, that is, the brightness is not enough. Brightness is one of the biggest problems that plague LED projectors. Although there are LED projectors with a brightness of more than 1000 lumens on the market, this brightness is still insufficient for everyday applications, especially for commercial applications. Therefore, manufacturers still need to continue to work hard to break the technical bottleneck and make unremitting efforts to create broad prospects.

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