Title:
PROJECTION LENS AND PROJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/020308
Kind Code:
A1
Abstract:
The present invention is a projection lens through which light from an electro-optical element passes, the projection lens comprising: a first optical system through which light of a first optical axis passes; a first reflection part which bends the light of the first optical axis to light of a second optical axis; a second reflection part which bends the light of the second optical axis to light of a third optical axis; a projection optical system which projects light from the third optical axis; at least one of a first rotation mechanism which causes the first reflection part to rotate around the first optical axis, and a second rotation mechanism which causes the second reflection part and the projection optical system to rotate around the second optical axis; and a light blocking part which blocks a portion of the light emitted by the electro-optical element.
Inventors:
AMANO MASARU (JP)
KAYANO HIRONOBU (JP)
KAYANO HIRONOBU (JP)
Application Number:
PCT/JP2020/028577
Publication Date:
February 04, 2021
Filing Date:
July 22, 2020
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B7/02; G02B5/00; G02B7/10; G03B21/14; H04N5/74
Domestic Patent References:
| WO2018055964A1 | 2018-03-29 | |||
| WO2018055963A1 | 2018-03-29 | |||
| WO2018016309A1 | 2018-01-25 |
Foreign References:
| JPH0519346A | 1993-01-29 | |||
| JP2003149736A | 2003-05-21 | |||
| JP2011053316A | 2011-03-17 | |||
| JP2017215419A | 2017-12-07 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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