US 11,789,346 B2
Light source device and projector
Naoya Shindo, Azumino (JP); Shin Aruga, Azumino (JP); and Makoto Zakoji, Matsumoto (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Mar. 21, 2022, as Appl. No. 17/699,445.
Claims priority of application No. 2021-047781 (JP), filed on Mar. 22, 2021.
Prior Publication US 2022/0299850 A1, Sep. 22, 2022
Int. Cl. G03B 21/16 (2006.01); G03B 21/20 (2006.01)
CPC G03B 21/16 (2013.01) [G03B 21/20 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A light source device comprising:
a light emitting element configured to emit light;
a substrate as a pressed object on which the light emitting element is disposed;
a first heat radiating member thermally connected to the substrate;
a base supporting the first heat radiating member, the base having an interior opening therein, the substrate being in direct contact with the first heat radiating member via the opening;
a frame fixed to the base, surrounding the light emitting element and the substrate and configured to press the substrate; and
a pressing member provided with the frame and configured to press the substrate toward the first heat radiating member,
wherein the pressing member is a leaf spring having a main body fixed to the frame and a pressing part configured to press the substrate.