发明授权
- 专利标题: Color image display device
- 专利标题(中): 彩色图像显示装置
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申请号: US12297645申请日: 2007-04-19
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公开(公告)号: US08451401B2公开(公告)日: 2013-05-28
- 发明人: Shin Kawana , Hideaki Kaneda , Naoto Kijima , Naoki Sako , Noriko Endou
- 申请人: Shin Kawana , Hideaki Kaneda , Naoto Kijima , Naoki Sako , Noriko Endou
- 申请人地址: JP Tokyo
- 专利权人: Mitsubishi Chemical Corporation
- 当前专利权人: Mitsubishi Chemical Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2006-116018 20060419
- 国际申请: PCT/JP2007/058546 WO 20070419
- 国际公布: WO2007/123183 WO 20071101
- 主分类号: G02F1/1335
- IPC分类号: G02F1/1335 ; C09K11/08 ; C09K11/66 ; C09K11/77
摘要:
To attain a high color reproducibility as a whole image without impairing the brightness of the entire image. A color image display device comprising a combination of light shutters, a color filter having color elements of at least three colors of red, green and blue corresponding to the light shutters, and a backlight for transmission illumination, wherein a light source to be used for the backlight comprises a combination of a blue or deep blue LED and a phosphor, and the relationship between the NTSC ratio W as a color reproduction range of the color image display element and the light use efficiency Y is represented Y≧−0.38 W+51 (wherein W≧87).
公开/授权文献
- US20090322990A1 COLOR IMAGE DISPLAY DEVICE 公开/授权日:2009-12-31