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Patent Searching and Data


Title:
DISPLAY ELEMENT AND PROJECTION DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/149115
Kind Code:
A1
Abstract:
A display element according to an embodiment of the present invention is provided with an optical control layer and a lens layer. The optical control layer modulates incident light for each pixel. The lens layer includes an incident surface, a plurality of refractive lenses arranged for each pixel, and a plurality of diffractive lenses arranged for each pixel, opposite the plurality of refractive lenses. The lens layer emits light, which enters the lens layer from the incident surface and passes through the refractive lenses and the diffractive lenses, to the optical control layer.

Inventors:
KOUYAMA YOSHIAKI (JP)
Application Number:
PCT/JP2019/050514
Publication Date:
July 23, 2020
Filing Date:
December 24, 2019
Export Citation:
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Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G02B3/00; G02B5/18; G02B19/00; G02F1/1335; G03B21/00; G03B21/14; H04N5/74
Foreign References:
KR100624409B12006-09-18
JP2005208644A2005-08-04
JP2002122709A2002-04-26
JP2001059963A2001-03-06
JP2000305472A2000-11-02
JPH11127390A1999-05-11
US5977535A1999-11-02
US5796522A1998-08-18
Attorney, Agent or Firm:
OMORI, Junichi (JP)
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