Invention Grant
- Patent Title: Phosphor wheel, light source device, and projection display apparatus
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Application No.: US16249826Application Date: 2019-01-16
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Publication No.: US10712646B2Publication Date: 2020-07-14
- Inventor: Takashi Ikeda
- 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: Wenderoth, Lind & Ponack, L.L.P.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2bbd2184 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@187ec50
- Main IPC: G03B21/20
- IPC: G03B21/20 ; G02B26/00 ; H04N9/31 ; F21K9/64
Abstract:
A phosphor wheel of a first exemplary embodiment in the present disclosure includes a base plate, an annular phosphor provided on the base plate, and a reflective coating provided on a partial area of the annular phosphor. Further, a phosphor wheel of a second exemplary embodiment includes a base plate, an annular phosphor layer that is provided on the base plate and constituted by a plurality of phosphor segments, and a reflective coating provided on a partial area of the annular phosphor layer.
Public/Granted literature
- US20190250489A1 PHOSPHOR WHEEL, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY APPARATUS Public/Granted day:2019-08-15
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