MULTI-LENS ARRAY, LIGHT SOURCE DEVICE, AND PROJECTOR

• Main Authors: NIWA KENJI, MIYAZAWA TAKANORI, ISOMURA TOMOKI
• Format: Patent
• Language: English; Japanese
• Published: 27.09.2021
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; BLASTING; CINEMATOGRAPHY; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ELECTROGRAPHY; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; HOLOGRAPHY; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; PHOTOGRAPHY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

To provide a multi-lens array that is excellent in heat radiation property, a light source device, and a projector.SOLUTION: A multi-lens array of the present invention has a base material part, a first multi-lens surface that includes a plurality of first lens surfaces and is provided on the base material part, a translucent layer that is provided on the base material part, and an antireflection layer that is provided on the translucent layer. The antireflection layer has a larger thermal conductivity than the thermal conductivity of the translucent layer.SELECTED DRAWING: Figure 2 【課題】放熱性に優れたマルチレンズアレイ、光源装置およびプロジェクターを提供する。【解決手段】本発明のマルチレンズアレイは、基材部と、複数の第１レンズ面を含み、基材部に設けられる第１マルチレンズ面と、基材部に設けられる透光層と、透光層上に設けられる反射防止層と、を有し、反射防止層の熱伝導率は、透光層の熱伝導率よりも大きい。【選択図】図２