Title:
合成光学系ユニットおよびプロジェクタ
Document Type and Number:
Japanese Patent JP7006598
Kind Code:
B2
Abstract:
[Solving Means] A composite-optical-system unit includes a polarization beam splitter and a thermal conduction member. The polarization beam splitter includes a first prism including a first surface, a second prism including a second surface having an area different from an area of the first surface, and an overlap interface on which the first surface is attached to and overlaps the second surface. The thermal conduction member is thermally connected to a connection region being a region other than the overlap interface of the first surface or the second surface having an area larger than an area of the other surface.
Inventors:
Aiko Sadahisa
Application Number:
JP2018529410A
Publication Date:
January 24, 2022
Filing Date:
June 08, 2017
Export Citation:
Assignee:
Sony Group Corporation
International Classes:
G03B21/16; G02B5/04; G02B5/30; G02B19/00; G02F1/13; G02F1/1335; G03B21/00; H04N5/74
Domestic Patent References:
| JP2012123194A | ||||
| JP2004309941A | ||||
| JP2010085676A |
Foreign References:
| US20090179827 |
Attorney, Agent or Firm:
Patent Business Corporation Minami Aoyama International Patent Office
Junichi Omori
Takahashi Mitsuru
Teppei Nakamura
Akira Orii
Sekine Masayoshi
Ayako Kaneko
Shintaro Kanayama
Ayako Chiba
Tomohisa Shiraka
Junichi Omori
Takahashi Mitsuru
Teppei Nakamura
Akira Orii
Sekine Masayoshi
Ayako Kaneko
Shintaro Kanayama
Ayako Chiba
Tomohisa Shiraka