Title:
表示装置
Document Type and Number:
Japanese Patent JP6936120
Kind Code:
B2
Abstract:
A display device includes a display circuit layer including a first surface and a second surface and including a display area in which an image is displayed on the first surface, a heat conductive sheet overlapping the display circuit layer below the second surface, and an optical fingerprint sensor inside the display area below the heat conductive sheet and overlapping the display circuit layer. The heat conductive sheet includes a first area overlapping the optical fingerprint sensor and a second area overlapping the display area around the optical fingerprint sensor. The heat conductive sheet includes a heat conductive material, has a shape having a light transmittance required for sensing by the optical fingerprint sensor in the first area, and has no light transmittance in the second area.
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Inventors:
Kazuhiro Odaka
Application Number:
JP2017222723A
Publication Date:
September 15, 2021
Filing Date:
November 20, 2017
Export Citation:
Assignee:
Japan Display Co., Ltd.
International Classes:
G09F9/30; H01L23/12; H01L27/32; H01L31/12; H01L51/50; H05B33/02; H05B33/14; H05B33/22
Domestic Patent References:
| JP2017134828A | ||||
| JP2008504653A | ||||
| JP2006120555A | ||||
| JP2004227941A | ||||
| JP2009217206A | ||||
| JP2004298348A |
Foreign References:
| WO2017075469A1 | ||||
| US20080115981 |
Attorney, Agent or Firm:
Haruka International Patent Office