Diffuser plate, display device, projection device, and lighting device

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United States of America

PATENT NO 10599022
APP PUB NO 20180203334A1
SERIAL NO

15743716

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Abstract

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There is provided a diffuser plate, a display device, a projection device, and a lighting device that can achieve flat diffusion angle distribution characteristics while reducing a high-order diffraction component, the diffuser plate including: a single lens group positioned on a surface of a transparent substrate, in which curvature radii of respective single lenses composing the single lens group are varied as a whole, and peak positions of the respective single lenses are located irregularly, and a lens surface shape of at least one of the single lenses in the single lens group satisfies Equation 1 and Equation 2.

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Patent Owner(s)

  • DEXERIALS CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hanashima, Naoki Tokyo, JP 38 380

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