Title:
LIGHT SOURCE DEVICE AND PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2021/246184
Kind Code:
A1
Abstract:
The light source device of the present disclosure comprises: a plurality of light sources; a plurality of collimator lenses which convert scattered light from the respective light sources into collimated light and emit the collimated light; a diffusion plate which diffuses the emitted light from each of the collimator lenses; a fly eye lens which has a plurality of lens cells, and in which the emitted light from each of the collimator lenses is incident on the respective lens cells via the diffusion plate; a fluorescent light emitting part having a phosphor surface; and a light condensing optical system which condenses the emitted light from each of the lens cells in the fly eye lens toward the phosphor surface.
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Inventors:
SUDO TAKASHI (JP)
Application Number:
PCT/JP2021/019106
Publication Date:
December 09, 2021
Filing Date:
May 20, 2021
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
G03B21/00; F21S2/00; F21V5/04; F21V7/30; F21V9/35; F21V13/00; G03B21/14; H04N9/31
Foreign References:
| JP2015108758A | 2015-06-11 | |||
| JP2018136518A | 2018-08-30 | |||
| JP2018109747A | 2018-07-12 | |||
| JP2015176034A | 2015-10-05 | |||
| US20120154766A1 | 2012-06-21 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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