What is the future? Looking at the LCD of the 00s from the CRT of the 1990s is the future. Looking at the 10 years of OLED from the LCD of the 00s is the future, then what will be the next future? Quantum dots? Or OLED? On December 9th, as a domestic appliance giant, Hisense also gave its own answer to the laser TV, which will be used as an important development direction for future TV.
First question: What is laser TV?
Laser TV is not a new concept. In the 1990s, there was a prototype of technology. In 2003, a laser TV prototype was launched. From 2006 to 2007, consumer electronics giants such as Mitsubishi and Sony also launched laser TV prototypes. In the early days of laser TV development, foreign consumer electronics giants played the role of laser technology promoter. However, in 2012, due to poor sales, Mitsubishi, the pioneer of laser TV, issued an official statement: "The existing production model has been unable to maintain the normal operation of the company, so the company no longer produces DLP and LaserVue laser TV.
Although in the wave of display technology many times, domestic manufacturers are in a state of follow-up, but in the field of laser TV, domestic manufacturers finally seized the opportunity. In 2014 alone, domestic manufacturers such as Hisense, Optoma, Changhong, Hualu, Konka, Vision and Yidian have launched laser TVs, which means that the “outbreak period†of laser TV seems to have arrived!
The working principle of laser TV is also easy to understand. It mainly consists of a laser, a light deflector and a screen. The laser TV is mainly composed of a laser, a light deflector and a screen. The semiconductor pumped solid-state laser is used to generate R (red), G (green), B (blue) continuous, three-wavelength laser light sources, and the R is controlled by a television signal. , G, B laser scanning images.
Laser TV display principle
The advantages of laser TV:
1. The "laser" of laser TV is 100% monochromatic light, and the R, G and B colors are separately modulated, and the color effect is very ideal. In this way, the color gamut can theoretically exceed 110% of the NTSC color gamut, which is a higher grade than the OLED 100% NTSC color gamut. The improvement of the color gamut not only makes the picture look more transparent, more realistic, and layered, but the sharpness also increases greatly with the increase of color saturation.
Since the backlight of the laser TV is R, G, and B lasers, only one "screen" is needed, which can be made thinner and suitable for home use. The light of the laser TV reaches the human eye through reflection, and there is no stroboscopic light, which makes the light softer and reduces the damage to the human eye.
2, the screen size of the laser TV is flexible, can be projected onto a variety of material surfaces (the surface can also be oh), and adapt to almost all TV standards such as NC, PAL and SECAM.
3, ultra low power consumption, health and environmental protection. The power consumption of a 100-inch laser TV is only equivalent to the level of a 40-inch LCD TV. The life expectancy at room temperature is generally tens of thousands of hours. If it is calculated for 10 hours per day, the life of a laser TV can be up to 10 years, so it is a kind of Long life and high reliability products.
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