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    • 1. 发明申请
    • OPTICAL FILTER AND DISPLAY DEVICE HAVING THE SAME
    • 具有该光学滤波器和显示装置的光学滤波器
    • US20090201587A1
    • 2009-08-13
    • US12368560
    • 2009-02-10
    • Hong Ik KimDong Keun ShinDong Hyun ParkDae Chul ParkShin Wook Kim
    • Hong Ik KimDong Keun ShinDong Hyun ParkDae Chul ParkShin Wook Kim
    • G02B1/11
    • G02B5/22G02B5/005
    • An optical filter for a display device placed in front of a display panel 1000 of the display device includes a first layer 310 which is formed at a first area A1 and has a first light blocking ratio. The amount of light transmitted through the first area A1 is smaller than the amount of light transmitted through an adjacent area to the first area A1 such that the first area A1 becomes distinguished to form a dark mark or the adjacent area becomes distinguished to form a bright mark. The optical filter further includes a second layer 320 which is formed at a second area A2 and has a second light blocking ratio lower than the first light blocking ratio. The amount of light transmitted through the first area A1 is smaller than the amount of light transmitted through the second area A2 such that the first area A1 becomes distinguished to form the dark mark or the second area becomes distinguished to form a bright mark. The second layer 320 can be a coating layer which is printed with a material with the second light blocking ratio or a film containing a material with the second light blocking ratio. The second light blocking ratio can be 70˜99%. The first layer 310 can be a coating layer of a black ceramic material or a film containing a black ceramic material. A display device includes the display panel 1000 displaying an image; and the optical filter.
    • 放置在显示装置的显示面板1000的前面的显示装置的滤光器包括形成在第一区域A1处并具有第一遮光率的第一层310。 通过第一区域A1透射的光量比通过与第一区域A1相邻的区域透射的光量小,使得第一区域A1被区分为形成暗标记,或者相邻区域变得明亮 标记。 滤光器还包括第二层320,其形成在第二区域A2处,并且具有低于第一遮光率的第二遮光率。 通过第一区域A1透射的光量比通过第二区域A2透射的光量小,使得第一区域A1被区分以形成黑色标记,或者第二区域被区分以形成亮点。 第二层320可以是用第二遮光率的材料印刷的涂层或含有第二遮光率的材料的膜。 第二个遮光率可以是70〜99%。 第一层310可以是黑色陶瓷材料的涂层或含有黑色陶瓷材料的膜。 显示装置包括显示图像的显示面板1000; 和滤光片。