LED backlight used in personal computers is increasing

LED backlight used in personal computers is increasing




LED backlight in the LCD panel used, in addition to TV panels, the panels in notebook PCs and LCD display panel has also been developed rapidly. The following will computer LCD panel LED backlight trends, on May 11 at the "Display Search LED Forum 2010" on the LED you analysts described the latest trends to be summarized.

In the large-screen LCD panel applications, the first to promote universal LED backlight panel that laptop. With the improvement of LED luminescence efficiency and low price of, in addition to the original with LED backlight type of high value-added mobile personal computers, the market in 2008 after a small laptop computer (screen size of less than 10.2 inches) in almost all models are equipped with LED backlight. Moreover, starting from the first half of 2009 for the screen size of 15.6 inch and 14-inch notebooks such as main products, this LED backlight equipped for a rapid advance. 2010 notebook computer (including a small laptop computer included) will total 200 million 14 million units, equivalent to 88% of estimated 100 million 88 million units will use LED backlight panels.

On the other hand, LCD display with LED in 2009, compared with the priority use of the reduction of CCFL (cold cathode) the number of panels. Therefore, 2010 will be a LED backlight panel began to spread year round. 2010 LCD monitor shipments is forecast to be 100 million 71 million units, equivalent to 15% of 26 million units expected to be using LED backlight panel.

Notebook panel LED backlight structure, under light guide plate (LGP: Light Guide Plate) shape can be divided into wedge-shaped (Wedge Type) and flat-shaped (Flat Type). As the literal meaning of the wedge using a wedge-shaped light guide. As part of the composition, shape and structural panels close to CCFL backlight panel, there is currently less expensive LED backlight is the main product. Compared to CCFL backlight panel of premium (higher rate) for 2 to 3 U.S. dollars. The flat plate-shaped light guide shape is to use the product. As the LED also uses thin materials, it can inhibit the overall thickness of the panel. Compared to CCFL backlight panel's premium of 5 ~ 10 dollars. With the future improvement of yield and low price-based, LGP is expected to gradually transition to the flat shape.

LED display panel backlight, from 18.5-inch low-cost model introduced. LED display panel backlight premium is 2 ~ 6 USD, but as way without CCFL backlight power inverter circuit used, it could eventually be offset. Moreover, the use of small-screen TV display panel to expand the impact of use of LED has been the model of small-screen picture began to use LED backlight. In addition, images, etc. in part of the business use, since the color is different from the performance and lifetime characteristics of CCFL panel, so stay with LED backlight panel TV manufacturers can be seen everywhere.

While the LED backlight supply is expanding rapidly, but appears a short time, and not as a device for use in design technology and experience accumulated. In the LED luminous efficiency and the basic properties of the growing improvement in the panel makers and TV manufacturers to further scope for additional value-added increasingly little.

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