[2005] IMID by "LED + source area control to improve the LCD panel brightness and peak power consumption

[Nikkei BP news]

The 47 inch LCD panel with LED backlight + area control technology

South Korea LG PHILPS electronics before the date of the comprehensive utilization of LED backlight and regional control technology, successfully developed a new 47 inch LCD panel, the white peak brightness increased by 25% at the same time, the maximum power consumption of white display is reduced by 40%. At the Fifth International Conference on information display before in South Korea held in Seoul "(IMID 2005)", the company unveiled the LCD panel.

In May this year, held in Boston, the United States, the international society for information display (SID 2005) on 2005, the company disclosed for the first time the integrated use of LED backlight and regional control technology 47 inch LCD panel. The white peak brightness of the LCD panel is 400cd/m2, the power consumption is 500W. At the meeting, the white peak brightness increased to 500cd/m2, while reducing the power consumption to 300W.

To reduce power consumption and improve the peak brightness, "is utilized by the lens, mirror and optical system for color mixed light source component, and realized through improving the regional control algorithm" (the commentator). As the past algorithm, the area proportion of light areas in the image of the larger, more can increase the brightness, and this is the proportion of smaller, more can improve the brightness, which makes the display to CRT images with good brightness and luster performance characteristics. In addition, by reducing power consumption, but also canceled the panel on the SI 2005 required cooling fan. (reporter: Tanaka Naoki)