Title:
光源装置およびプロジェクター
Document Type and Number:
Japanese Patent JP6881423
Kind Code:
B2
Abstract:
A light source apparatus according to an aspect of the present disclosure includes a first light source that emits first light, a second light source that emits second light, a light guide that causes the first light emitted from the first light source to propagate, a wavelength converter containing a phosphor that emits fluorescence when excited with the second light emitted from the second light source, and a light combiner that combines the first light having exited out of the light guide with the fluorescence having exited out of the wavelength converter. The light guide and the wavelength converter are disposed side by side. The light guide has a first end section and a second end section. The wavelength converter has a third end section and a fourth end section. The first light enters the light guide via the first end section thereof.
Inventors:
Hidefumi Sakata
Junichi Suzuki
Shingo Komiyama
Yuichiro Iwama
Junichi Suzuki
Shingo Komiyama
Yuichiro Iwama
Application Number:
JP2018219522A
Publication Date:
June 02, 2021
Filing Date:
November 22, 2018
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G03B21/14; F21S2/00; F21V7/30; F21V8/00; F21V9/20; F21V9/40; G03B21/00
Domestic Patent References:
| JP2017009981A | ||||
| JP2012150212A | ||||
| JP2016537770A | ||||
| JP2016531381A | ||||
| JP2013225473A |
Foreign References:
| WO2018173284A1 | ||||
| WO2008078820A1 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Kazunori Onami
Hiroyuki Matsumoto
Akio Sato
Kazunori Onami
Hiroyuki Matsumoto
Akio Sato