Invention Grant
- Patent Title: Phosphor wheel device, light source device, and projection image display device
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Application No.: US17104417Application Date: 2020-11-25
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Publication No.: US11513336B2Publication Date: 2022-11-29
- Inventor: Yusaku Nishikawa , Taiki Bessho , Yasuto Shiroi , Shigekazu Yamagishi , 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: JPJP2019-213778 20191127
- Main IPC: G02B26/00
- IPC: G02B26/00 ; G03B21/20
Abstract:
A phosphor wheel device includes a motor having a rotation shaft, a phosphor wheel substrate attached to one end side of the rotation shaft, and a balancer fixed to the phosphor wheel substrate. The balancer has at least one opening that is open to an outside of the phosphor wheel device.
Public/Granted literature
- US20210157126A1 PHOSPHOR WHEEL DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION IMAGE DISPLAY DEVICE Public/Granted day:2021-05-27
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