Invention Grant
- Patent Title: Wavelength conversion member, optical device, projector, and manufacturing method for wavelength conversion member
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Application No.: US17414401Application Date: 2019-10-04
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Publication No.: US11474423B2Publication Date: 2022-10-18
- Inventor: Takahiro Hamada , Naoyuki Tani , Takashi Ohbayashi , Yoshihisa Nagasaki
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Priority: JPJP2018-236355 20181218
- International Application: PCT/JP2019/039321 WO 20191004
- International Announcement: WO2020/129357 WO 20200625
- Main IPC: G03B21/20
- IPC: G03B21/20 ; C09K11/02 ; C09K11/77
Abstract:
A wavelength conversion device includes a matrix containing inorganic material, a phosphor embedded in the matrix, and filler particles embedded in the matrix and containing resin material. This wavelength conversion device prevents the phosphor from falling.
Public/Granted literature
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