Radio and television stations and video production studios that support HDR (High Dynamic Range) displays, and car displays that require clear visibility, require high-contrast displays that can display from white light to dark black. However, the original LCD panel has always had the problem that, after increasing the amount of backlighting, darkening will occur in dark areas. After reducing the amount of light, the sense of light at the bright spot will decrease.
Panasonic embedded a newly developed dimming unit that can control the amount of backlighting in pixels between the LCD panel's display unit and the backlight. This greatly reduces the unnecessary light leakage from the backlight. A contrast ratio of 1,000,000:1 with a maximum brightness of 1000 cd/m2 and a minimum brightness of 0.001 cd/m2 was finally achieved.
The dimming cell employs a liquid crystal material having different light transmission characteristics from the liquid crystal material used in the display unit. In addition, the display unit and the dimming unit are independently controlled. In the development of the dimmer unit, a new light-resistant material has been newly developed. Even with the high-brightness backlight capable of achieving 1000 cd/m2, it can maintain stable operation for a long period of time. In addition, the structure of the unit has been meticulously improved.
Matsushita's 8.5th generation (G8.5) production line "can produce products ranging from 10 inches to 100 inches, this ultra-high contrast LCD panel will also be available early next year.
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