Toshiba new products: LCD TV backlight trend will be white LED

LCD TV LED backlight trend will not be RGB tricolor, but white LED". Honmura Hiroshi assertion of the global marketing department of Toshiba Digital Media Network Co television. In the new product release conference held on April 7th Toshiba LCD TV "REGZA series", the village will give back LED source questions related to light at the beginning of this article to answer.

In order to improve the quality and continue to release new products using LCD TV LED backlight of the bottom in August 2008. SONY is the pioneer. 08 released in August 28th by combining regional control (regional lighting, Local Dimming) technology to improve the dynamic contrast ratio of 1 million to 1 LCD tv. Followed by SHARP. In September 30th 08 released its same with SONY as a combination of regional control technology to improve the dynamic contrast ratio of 1 million to 1 LCD tv.

Holding the highest picture of the banner of white LED light source

The biggest difference between SONY and SHARP's products and Toshiba's LCD TV with LED backlight is the LED light source. SONY and SHARP are using RGB tricolor LED light source. Toshiba uses a white LED light source.

In general, the use of RGB tricolor LED than the use of white LED, one of the main colors of the quality of the project, the color range will be wider. So why is this the so-called Toshiba REGZA in the history of the highest quality LCD TV with a white LED? It asked the reason, the village replied: "in fact the white LED products of higher quality".

The reasons are as follows. First, the use of RGB tricolor LED light source when the white balance is easy to fail, so the white LED light source is more conducive to the realization of high quality. Second, expand the scope of color performance, then there will be the phenomenon of color is not correct, easily lead to deterioration of image quality. RGB color LED color range is indeed more than white LED way, but the white LED color range can also be fully reproduced almost all the objects of color.

Comparison of LCD and original products with white LED backlight and area control technology. Right for the original product. Left for the use of LED backlight products, and the use of shiny panels

Price is lower than RGB tricolor LED way

In addition, the white LED mode because of non RGB tricolor and only need to control the white, it is easy to simplify the backlight control system. It can be said that the white LED not only in the LED light source itself, but also on the control system manufacturing costs. The village said: "this is another reason for the outside quality. If you know the price of this product, you can understand the reasons for the use of white LED and white LED will become the trend of the reason".

Mentioned above SONY LCD TV market price (when the listing), 55 inches to about 750 thousand yen, about 46 inches to about 600 thousand yen. SHARP LCD TV price (when the listing), 65 inches to 1 million 280 thousand yen, 52 inches to 980 thousand yen. The price of the idea of Toshiba, 55 inches to about 600 thousand yen, about 46 inches to about 500 thousand yen.