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    • 6. 发明公开
    • Back lighting device for a panel
    • Hinterbeleuchtungsvorrichtungfüreine Anzeigetafel。
    • EP0442529A2
    • 1991-08-21
    • EP91102200.2
    • 1991-02-15
    • Tosoh CorporationTOSHIBA CORPORATION
    • Kashima, KeijiYoshida, NaokiShoji, OsamuYanagi, EiichiFukunishi, Takumi
    • G02F1/1335
    • G02B6/0051
    • An improved backlighting device for liquid-crystal display panels comprising a linear light source (4) the length of which is equal to or less than the length of an end portion of a light conducting plate (1) at which light is admitted from the linear light source (4) placed adjacent to it, the linear light source being enclosed with a light diffusing reflector (5) that has a slit formed in the surface through which incident light is admitted into the light conducting plate (1) and which is provided in such a way as to form a clearance from the surface of the linear light source (4), one major surface of the light conducting plate (1) being partially covered with a light diffusing material under specified conditions that has a higher refractive index than the material of which the light conducting plate (1) is made, the major surface being further covered with a specular or light diffusing/reflecting plate (3), with a plurality of light diffusing plates (2) being provided on the other major (light emerging) surface of the light conducting plate (1).
    • 一种用于液晶显示面板的改进的背光装置,其包括线性光源,该线性光源的长度等于或小于从邻近放置的线性光源进入光的导光板的端部的长度 线性光源被光漫射反射器包围,该光扩散反射器具有形成在入射光入射到导光板的表面的狭缝,并且以这样一种方式设置,以形成与线性表面的间隙 光源,导光板的一个主表面部分地被光扩散材料覆盖,在特定条件下具有比制作导光板的材料更高的折射率,主表面还被镜面或 光扩散/反射板,其中多个光扩散板设置在其他主要(光出现)的表面上 导电板。