Color display device

Details Color display device Color display device

G - Physics

09

F

G09F 9/35 (2006.01) G02F 1/13357 (2006.01) G09G 3/36 (2006.01)

Patent

CA 2255578

A color display device has a single light guiding plate, and first, second and third light sources that respectively independently exhibit three primary colors. On a one end surface of the light guiding plate there are disposed the first and second light sources that exhibit two different ones of the three primary colors . On the other end surface side of the light guiding plate there is disposed the third light source that exhibits the remaining one primary color. Since the light guiding means is needed only one in number, the structure can be simplified and miniaturized. Also, on the one end surface of the light guiding means there are disposed, of the three light sources exhibiting the three primary colors, the first and second light sources that exhibit two different ones of the three primary colors. And, on the other end surface side of the light guiding means there is disposed the third light source that exhibits the remaining one primary color. Therefore, the probability that the light which enters into the light guiding means from one light source is hindered by another light source decreases. Accordingly, the loss of the light becomes lessened and the amount of light emission increases.

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