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Patent Searching and Data


Title:
OPTICAL SENSOR AND ELECTRICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/208606
Kind Code:
A1
Abstract:
An optical sensor includes: a light emitting element (2); a first light receiving element (3) for receiving reflected light; a second light receiving element (4) for receiving, as a detection standard, a portion of light emitted from the light emitting element (2); a first chamber (21) for accommodating the light emitting element (1); a second chamber (22) for accommodating the second light receiving element (4), a third chamber (23) for accommodating the first light receiving element (3); and a case (20) comprising a light blocking material and having an opening (25) for passing light from the light emitting element (2) to a detection object. A partition wall (51) between the first chamber (21) and the second chamber (22) is provided with a window (52) for passing the portion of light that serves as the detection standard.

Inventors:
OKADA, Norikazu
TAKADA, Toshiyuki
KAMADA, Shohei
Application Number:
JP2017/013425
Publication Date:
December 07, 2017
Filing Date:
March 30, 2017
Export Citation:
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Assignee:
SHARP KABUSHIKI KAISHA (1 Takumi-cho, Sakai-ku Sakai Cit, Osaka 22, 〒5908522, JP)
International Classes:
H01L31/12
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (AOYAMA & PARTNERS, Umeda Hankyu Bldg. Office Tower 8-1, Kakuda-cho, Kita-ku, Osaka-sh, Osaka 17, 〒5300017, JP)
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