| 摘要 |
It is an object of the invention is to provide an optical reflector having a directivity of reflection and a display device using it. Depressions of a projection/depression forming member ( 46 ) is relatively spread in the right-and-left direction of a display surface. The depressions of the member ( 46 ) are provided in such a manner that their average diameter in the right-and-left direction of the display surface is larger than that in the up-and-down direction of the display surface and their average pitch in the right-and-left direction of the display surface is greater than that in the up-and-down direction of the display surface. When a light enters into a surface of a reflective film ( 48 ), the light is reflected in the up-and-down direction more selectively. Therefore, with an observation of the display surface from a predetermined direction, a utilization efficiency of the incident light can be enhanced, so that display performance of the display device such as a brightness and a contrast can be improved.
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