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Title:
受光センサ、近接センサ、および電子機器
Document Type and Number:
Japanese Patent JP7209584
Kind Code:
B2
Abstract:
To provide a light receiving sensor, a proximity sensor, and an electronic apparatus capable of enlarging a display area of the electronic apparatus and capable of increasing detection accuracy of the proximity sensor.SOLUTION: An electronic apparatus includes: a cover panel 91; a first circularly polarizing plate 41 disposed at a lower side of the cover panel 91; an OLED panel 5 disposed at a lower side of the first circularly polarizing plate 41; and a light emitting unit 10 and a light receiving sensor 98 disposed at a lower side of the OLED panel 5. The light emitting unit 10 includes an LED 21 and a second circularly polarizing plate 61 disposed at an upper side of the LED 21. The light receiving sensor 98 includes a light receiving element 34 and a third circularly polarizing plate 51 disposed at an upper side of the light receiving element 34. A polarization direction of the third circularly polarizing plate 51 is the same as a polarization direction of the second circularly polarizing plate 61. The polarization direction of the second circularly polarizing plate 61 and the polarization direction of the third circularly polarizing plate 51, and a polarization direction of the first circularly polarizing plate 41 are opposite to each other.SELECTED DRAWING: Figure 3

Inventors:
Yoshitsugu Kamihira
Takeharu Nakajima
Application Number:
JP2019089811A
Publication Date:
January 20, 2023
Filing Date:
May 10, 2019
Export Citation:
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Assignee:
ROHM Co., Ltd.
International Classes:
H01H35/00
Domestic Patent References:
JP2009169400A
JP2008112629A
Foreign References:
WO2010131387A1
US20190294851
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office