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Patent Searching and Data


Title:
OPTICAL SENSOR AND DISPLAY DEVICE INCLUDING OPTICAL SENSOR
Document Type and Number:
WIPO Patent Application WO/2021/065508
Kind Code:
A1
Abstract:
This optical sensor comprises: an interferometer capable of changing the wavelength of transmitted light; a collimation element disposed so as to overlap the interferometer; and a photoelectric conversion element that receives light having passed through the interferometer and the collimation element and has sensitivity to visible and near-infrared light. The interferometer is a Fabry-Perot interferometer implemented by micro-electromechanical systems (MEMS). A plurality of photoelectric conversion elements may be provided for one interferometer, or a plurality of interferometers and photoelectric conversion elements may be provided such that the plurality of interferometers are provided for the respective photoelectric conversion elements.

Inventors:
HIGANO TOSHIYUKI (JP)
TOMIOKA YASUSHI (JP)
NISHIYAMA KAZUHIRO (JP)
Application Number:
PCT/JP2020/035042
Publication Date:
April 08, 2021
Filing Date:
September 16, 2020
Export Citation:
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Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G01J3/51; G01J3/26; G01J3/36; G02B5/28; G02B26/00; G02F1/1333; G06F3/042; G09G3/20; H04N5/369
Foreign References:
JP2012093275A2012-05-17
JP2018200183A2018-12-20
JP2019117619A2019-07-18
JP2018116108A2018-07-26
JP2019133076A2019-08-08
JPH04213287A1992-08-04
JP2003131015A2003-05-08
JP2019132607A2019-08-08
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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