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Title:
LIGHT SOURCE DEVICE, PROJECTOR, AND LIGHT INTENSITY DISTRIBUTION HOMOGENIZATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/009790
Kind Code:
A1
Abstract:
This light source device generates laser light that enters a microlens array comprising a plurality of microlenses arranged in two directions that are orthogonal to each other, and has a plurality of light sources that output the laser light. The light sources form elliptical light source images on an entry surface of the microlens array, and the long-axis direction of the light source images intersects both of the two directions.

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Inventors:
KATAYAMA HIROMI (JP)
CHIKAHISA SHINICHIRO (JP)
Application Number:
PCT/JP2019/027639
Publication Date:
January 21, 2021
Filing Date:
July 12, 2019
Export Citation:
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Assignee:
SHARP NEC DISPLAY SOLUTIONS LTD (JP)
International Classes:
G03B21/14; G03B21/00; H04N5/74
Domestic Patent References:
WO2016047450A12016-03-31
Foreign References:
JP2018146806A2018-09-20
JP2011164151A2011-08-25
JP2012203390A2012-10-22
US20120051049A12012-03-01
JP2009063619A2009-03-26
JP2009042637A2009-02-26
JP2005221872A2005-08-18
Attorney, Agent or Firm:
MIYAZAKI Teruo et al. (JP)
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