BLUE COLOR COMPOSITION FOR COLOR FILTER, COLOR FILTER, AND COLOR IMAGE DISPLAY DEVICE
申请人:Mitsubishi Chemical Corporation
公开号:EP1742096A1
公开(公告)日:2007-01-10
To provide a blue composition for a color filter which realizes an image with a high color purity, a color filter and a color image display device.
A color image display device comprising a combination of light bulbs, a color filter having color elements of at least three colors of red, green and blue corresponding to the light bulbs, and a backlight for transmission illumination, wherein the backlight contains a LED in its structure, and under the following definitions: λn nm represents a wavelength at every interval of 5 nm in the visible light range of from 380 to 780 nm; TR(λn) a spectral transmittance (%) at a wavelength λn nm by a red pixel of the color filter; and I(λn) a relative emission intensity, normalized by a total emission intensity, at a wavelength λn nm from the backlight, these satisfy the following condition (1): I620-680×TR620-680≧1.1
提供一种可实现高色彩纯度图像的彩色滤光片的蓝色成分、彩色滤光片和彩色图像显示装置。
一种彩色图像显示装置,包括灯泡组合、具有与灯泡相对应的至少红、绿、蓝三种颜色的彩色元件的彩色滤光片,以及用于透射照明的背光灯,其中背光灯的结构中包含一个发光二极管,并根据以下定义:λn nm 表示在 380 至 780 nm 的可见光范围内每间隔 5 nm 的波长;TR(λn) 彩色滤光片的红色像素在波长 λn nm 处的光谱透过率 (%);I(λn) 背光灯在波长 λn nm 处的相对发射强度,按总发射强度归一化,这些满足以下条件 (1):I620-680×TR620-680≧1.1