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Title:
DISPLAY DEVICE, DISPLAY MODULE, AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/189881
Kind Code:
A1
Abstract:
Provided is a semiconductor device having a light detection function and a high-definition display unit. This display device has a light emitting device, a light receiving device, and a substrate. The light emitting device has a first electrode, a light emitting layer, a first electron transport layer, an electron injection layer, and a second electrode, which are laminated in this order on the substrate. The light receiving device has a third electrode, an active layer, a first hole transport layer, an electron injection layer, and a second electrode which are laminated on the substrate in this order. A first potential is applied to the first electrode. It is preferable that a second potential lower than the first potential be applied to the second electrode. It is preferable that a third potential higher than the second potential be applied to the third electrode.

Inventors:
KUBOTA DAISUKE (JP)
KAMADA TAISUKE (JP)
YAMASHITA AKIO (JP)
OKAZAKI KENICHI (JP)
KUSUNOKI KOJI (JP)
ATSUMI TOMOAKI (JP)
Application Number:
PCT/IB2022/051715
Publication Date:
September 15, 2022
Filing Date:
February 28, 2022
Export Citation:
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Assignee:
SEMICONDUCTOR ENERGY LAB (JP)
International Classes:
H01L51/42; G06F3/042; G06T1/00; G09F9/00; G09F9/30; H01L21/336; H01L27/146; H01L27/32; H01L29/786; H01L31/10; H01L51/50; H05B33/12
Domestic Patent References:
WO2021009621A12021-01-21
WO2020148604A12020-07-23
WO2021024082A12021-02-11
Foreign References:
US20210066669A12021-03-04
KR20190079861A2019-07-08
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