Method of performing a uniform illumination pattern in a back-light plate
AssigneeBenq Corporation
InventorChi-Yu Liao
Life of this patent
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Abstract
A method of performing a uniform illumination pattern in a back-light plate by using a press. This method mainly utilizes a press with a plurality of protruding elements to press an illuminating face of the back-light plate. Accordingly, a plurality of recesses, each with a predetermined depth, are consequently formed to serve as a uniform illumination pattern of the back-light plate. When visible light incidents into the back-light plate, the plurality of recesses on the illuminating face make the back-light plate be uniformly illuminated.
Claims7
A method of forming a uniform illumination pattern in a back-light plate, the back-light plate comprising two parallel illuminating faces and an incident side on one side of the back-light plate, and when a visible light incidents from the incident side into the back-light plate, the back-light plate reflect the visible light through the two illuminating faces, the method utilizing a press with a plurality of protruding elements to press an illuminating face of the back-light plate so as to form a plurality of recesses with predetermined depths thereon, wherein the plurality of recesses forms the uniform illumination pattern on the back-light plate to make the back-light plate uniformly illuminated when the visible light incidents into the back-light plate.
Dependencies are inferred from the claim text.