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1. WO2017073251 - DIFFUSER, METHOD FOR DESIGNING DIFFUSER, METHOD FOR MANUFACTURING DIFFUSER, DISPLAY DEVICE, PROJECTION DEVICE, AND ILLUMINATION DEVICE

Publication Number WO/2017/073251
Publication Date 04.05.2017
International Application No. PCT/JP2016/079345
International Filing Date 03.10.2016
Chapter 2 Demand Filed 24.08.2017
IPC
G02B 5/02 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
02Diffusing elements; Afocal elements
F21V 5/00 2015.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
5Refractors for light sources
F21V 5/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
5Refractors for light sources
02of prismatic shape
G02B 1/115 2015.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made; Optical coatings for optical elements
10Optical coatings produced by application to, or surface treatment of, optical elements
11Anti-reflection coatings
113using inorganic layer materials only
115Multilayers
G02B 1/118 2015.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made; Optical coatings for optical elements
10Optical coatings produced by application to, or surface treatment of, optical elements
11Anti-reflection coatings
118having sub-optical wavelength surface structures designed to provide an enhanced transmittance, e.g. moth-eye structures
G02B 3/00 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
CPC
F21V 5/004
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
5Refractors for light sources
002using microoptical elements for redirecting or diffusing light
004using microlenses
F21V 5/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
5Refractors for light sources
02of prismatic shape
G02B 1/115
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made
10Optical coatings produced by application to, or surface treatment of, optical elements
11Anti-reflection coatings
113using inorganic layer materials only
115Multilayers
G02B 1/118
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made
10Optical coatings produced by application to, or surface treatment of, optical elements
11Anti-reflection coatings
118having sub-optical wavelength surface structures designed to provide an enhanced transmittance, e.g. moth-eye structures
G02B 3/00
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
G02B 3/0006
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
0006Arrays
Applicants
  • デクセリアルズ株式会社 DEXERIALS CORPORATION [JP]/[JP]
Inventors
  • 花島 直樹 HANASHIMA, Naoki
  • 高田 昭夫 TAKADA, Akio
  • 渋谷 和幸 SHIBUYA, Kazuyuki
  • 松野 雄介 MATSUNO, Yusuke
Agents
  • 亀谷 美明 KAMEYA, Yoshiaki
  • 金本 哲男 KANEMOTO, Tetsuo
  • 萩原 康司 HAGIWARA, Yasushi
  • 松本 一騎 MATSUMOTO, Kazunori
Priority Data
2015-21346529.10.2015JP
2016-12133220.06.2016JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) DIFFUSER, METHOD FOR DESIGNING DIFFUSER, METHOD FOR MANUFACTURING DIFFUSER, DISPLAY DEVICE, PROJECTION DEVICE, AND ILLUMINATION DEVICE
(FR) DIFFUSEUR, PROCÉDÉ DE CONCEPTION DE DIFFUSEUR, PROCÉDÉ DE FABRICATION DE DIFFUSEUR, DISPOSITIF D'AFFICHAGE, DISPOSITIF DE PROJECTION, ET DISPOSITIF D'ÉCLAIRAGE
(JA) 拡散板、拡散板の設計方法、拡散板の製造方法、表示装置、投影装置及び照明装置
Abstract
(EN) [Problem] To manufacture, at high productivity, a diffuser which exhibits excellent diffusion characteristics while having excellent durability against highly coherent light. [Solution] The diffuser according to the present invention is a microlens array diffuser comprising a microlens group positioned on the surface of a transparent substrate, and is configured from two or more unit cells continuously provided in an array. The unit cells are provided with a plurality of microlenses positioned on the surface of the transparent substrate. The ridges between the mutually adjoining microlenses are not parallel to each other, and are not parallel to the transparent substrate.
(FR) L'invention vise à fabriquer, avec une productivité élevée, un diffuseur qui présente d'excellentes caractéristiques de diffusion tout en ayant une excellente durabilité contre une lumière hautement cohérente. À cet effet, le diffuseur selon la présente invention est un diffuseur à réseau de microlentilles comprenant un groupe de microlentilles positionné sur la surface d'un substrat transparent, et est configuré à partir de deux cellules unitaires ou plus disposées de manière continue selon un réseau. Les cellules unitaires comprennent une pluralité de microlentilles positionnées sur la surface du substrat transparent. Les nervures entre les microlentilles mutuellement adjacentes ne sont pas parallèles les unes aux autres, et ne sont pas parallèles au substrat transparent.
(JA) 【課題】優れた拡散特性を示すとともに、可干渉性の大きな光に対して優れた耐久性を有する拡散板を、より生産性良く製造すること。 【解決手段】本発明に係る拡散板は、透明基板の表面に位置するマイクロレンズ群からなるマイクロレンズアレイ型の拡散板であって、アレイ配列に対して連続である2つ以上の単位セルから構成されており、前記単位セルは、透明基板の表面に位置する複数のマイクロレンズからなり、互いに隣り合う前記マイクロレンズ間の稜線は、互いに平行ではなく、かつ、前記透明基板に対して平行ではない。
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