Title:
PHOSPHOR WHEEL AND PROJECTION IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/154048
Kind Code:
A1
Abstract:
A phosphor wheel (10) is provided with: a substrate (20) that has a first main surface (21), a second main surface (22) on the reverse side of the first main surface (21), and openings (23); a phosphor layer (40) that is provided on the first main surface (21); and fins (31) that are provided on the second main surface (22). The fins (31) are positioned closer to the center of the substrate (20) than the phosphor layer (40), and the openings (23) are positioned between the phosphor layer (40) and the fins (31).
Inventors:
KITADE NAOYA
CHIKAYAMA MANABU
CHIKAYAMA MANABU
Application Number:
PCT/JP2016/003847
Publication Date:
September 14, 2017
Filing Date:
August 24, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G03B21/14; F21S2/00; F21V7/22; F21V9/16; F21V29/502; F21Y115/30
Foreign References:
| JP2014503110A | 2014-02-06 | |||
| US20130169938A1 | 2013-07-04 | |||
| JP2012181431A | 2012-09-20 | |||
| JP2003156796A | 2003-05-30 | |||
| US20070211180A1 | 2007-09-13 | |||
| JP2013069547A | 2013-04-18 | |||
| JP2016053608A | 2016-04-14 |
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
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