- Patent Title: Phosphor wheel including a light absorption processing body provided in a light processing region, light source device including the phosphor wheel, and projection display apparatus including the phosphor wheel
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Application No.: US16386908Application Date: 2019-04-17
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Publication No.: US11126072B2Publication Date: 2021-09-21
- Inventor: Yoshiki Tanaka , Manabu Okuno , 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: JPJP2018-085908 20180427
- Main IPC: G02B21/20
- IPC: G02B21/20 ; G03B21/20 ; G03B21/00
Abstract:
A phosphor wheel of exemplary embodiment in the present disclosure includes a substrate, a phosphor region circularly provided on one surface of the substrate, a light processing region circularly provided on an other surface of the substrate and entered by incident light, a light processing body provided in the light processing region, a light-transmissive region provided in the substrate, and a drive device rotating the substrate.
Public/Granted literature
- US20190331992A1 PHOSPHOR WHEEL, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY APPARATUS Public/Granted day:2019-10-31
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