DISPLAY APPARATUS AND METHOD FOR MANUFACTURING DISPLAY APPARATUS

WIPO Patent Application WO/2022/229781

A1

Provided is a display apparatus that has a light detection function, and has a highly accurate light detection function. The display apparatus has a light receiving device and a first light producing device. The light receiving device has a first electrode, a light receiving layer, and a common electrode, which are layered in this order. The first light producing device has a second electrode, a first EL layer, and a common electrode, which are layered in this order. The light receiving layer has a first layer, a second layer, and an active layer between the first layer and the second layer. The first layer includes a first substance having a positive hole transport property, and the second layer includes a second substance having an electron transport property. An end section of the active layer, an end section of the first layer, and an end section of the second layer are uniform or nearly uniform with one another. The first EL layer has a third layer, a fourth layer, and a first light producing layer between the third layer and the fourth layer. The third layer includes a third substance having a positive hole transport property, and the fourth layer includes a fourth substance having an electron transport property.

KUBOTA DAISUKE (JP)
YAMASHITA AKIO (JP)
KAMADA TAISUKE (JP)
NAKAMURA DAIKI (JP)

PCT/IB2022/053598

November 03, 2022

April 18, 2022

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SEMICONDUCTOR ENERGY LAB (JP)

G09F9/00; G09F9/30; H01L27/146; H01L27/32; H01L51/50; H05B33/12; H05B33/22; H05B33/26; H05B33/28

WO2020136495A1	2020-07-02
WO2020148600A1	2020-07-23
WO2020128735A1	2020-06-25

US20200176526A1	2020-06-04
JP2019067747A	2019-04-25
JP2011029322A	2011-02-10

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