LIGHT DIFFUSION PLATE LAMINATED BODY

To provide a light diffusion plate laminated body capable of improving the uniformity of luminance of light emitted from a light source.SOLUTION: A light diffusion plate laminated body 10 includes: a plurality of laminated light diffusion plates 43; and recesses 52a provided as an air layer between...

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Bibliographic Details
Main Authors SAI SYOKO, TSUJI TAKAHIRO, SUKIGARA MASAYUKI, OKABE MOTOHIKO
Format Patent
LanguageEnglish
Japanese
Published 15.03.2024
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-PORTABLE LIGHTING DEVICES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SYSTEMS THEREOF
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
WEAPONS
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Summary:To provide a light diffusion plate laminated body capable of improving the uniformity of luminance of light emitted from a light source.SOLUTION: A light diffusion plate laminated body 10 includes: a plurality of laminated light diffusion plates 43; and recesses 52a provided as an air layer between the adjacent light diffusion plates 43. At least one of the plurality of light diffusion plates 43 has a concavo-convex shape on one of its surfaces and the concavo-convex shape is formed by providing polygonal pyramids without space on the surface of the light diffusion plate 43.SELECTED DRAWING: Figure 3 【課題】光源から出射された光の輝度の均一性を向上させることができる光拡散板積層体を提供することを目的とする。【解決手段】光拡散板積層体１０は、複数積層された光拡散板４３を備え、隣接する光拡散板４３間に空気層に相当する凹部５２ａが設けられている。複数の光拡散板４３のうち、少なくとも１つの光拡散板４３の一方の表面は、凹凸形状を持ち、凹凸形状は、光拡散板４３の表面に隙間なく配置された多角錐である。【選択図】図３
Bibliography:Application Number: JP20230222658