Importance

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Abstract

There is provided a surface luminous source panel comprising an irregular reflection layer carrying on it a large number of irregular reflector specks and arranged on the surface of a transparent substrate. The reflection layer has a parallel pattern section having an area of irregular reflector specks per unit length of the layer which smoothly increases with the distance from a light source along the panel; and a regulating pattern section located close to the light source and partially surrounded by the parallel pattern section. The regulating pattern section has a hill-shaped contour starting from the edge close to the light source and an area of irregular reflector specks per unit length of the layer also smoothly increasing with the distance from the light source but at a rate smaller than that of the parallel pattern section. Such a surface luminous source panel can provide a luminous source with very evenly distributed brightness and therefore find useful applications in, for example, word processors and display stands.

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First Claim