LIGHT SOURCE DEVICE AND PROJECTOR

• Main Author: EGAWA AKIRA
• Format: Patent
• Language: English; Japanese
• Published: 19.03.2020
• 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 light source device and a projector that are superior in cooling performance.SOLUTION: A light source device according to the present invention has: a circuit board having a first surface and a second surface provided at an opposite side of the first surface; a plurality of light-emitting elements provided on the first surface of the circuit board; a frame body provided on the first surface of the circuit board so as to surround the plurality of light-emitting elements; and a lid body including a translucent member that transmits light incident from the plurality of light-emitting elements, provided so as to face toward the first surface of the circuit board, and joined at an opposite side of the circuit board of the frame body. The light source device also comprises: a light-emitting device for accommodating the plurality of light-emitting elements in an accommodation space formed by the circuit board, the frame body, and the lid body; an optical element for receiving incident light; a retaining member for retaining the optical element; and a heat radiation member connected thermally to the second surface of the circuit board and fixed to the retaining member.SELECTED DRAWING: Figure 1 【課題】冷却性能に優れた光源装置およびプロジェクターを提供する。【解決手段】本発明の光源装置は、第１面および第１面の反対側に設けられる第２面を有する基板と、基板の第１面側に設けられる複数の発光素子と、基板の第１面側に、複数の発光素子を囲むように設けられる枠体と、複数の発光素子から射出された光を透過させる透光性部材を含み、基板の第１面に対向して設けられ、枠体の基板とは反対側に接合される蓋体と、を有し、基板と枠体と蓋体とにより形成された収容空間に複数の発光素子を収容する発光装置と、光が入射する光学素子と、光学素子を保持する保持部材と、基板の第２面に熱的に接続され、保持部材に固定される放熱部材と、を備えることを特徴とする。【選択図】図１