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公开(公告)号：US20240431132A1
公开(公告)日：2024-12-26
申请号：US18413983
申请日：2024-01-16
Applicant: Samsung Display Co., LTD.
Inventor： Hee Woon IM , Yool Guk KIM , Ji Yoon KIM , Hyeon Sik KIM , Sang Ho LEE
IPC: H10K50/115 , H10K50/16 , H10K59/122 , H10K59/80
Abstract: A display device includes a first substrate including an emission area and a non-emission area; a first pixel electrode positioned on the emission area of the first substrate; a first light emitting structure positioned on the first pixel electrode and including quantum dots; a pixel defining layer positioned on the non-emission area of the first substrate and positioned on the first pixel electrode; a common electrode covering the first light emitting structure and the pixel defining layer; and an encapsulation structure positioned on the common electrode and in contact with the common electrode such that the encapsulation structure overlaps the non-emission area. The encapsulation structure may include a second substrate and a hydrogen donor layer positioned between the second substrate and the common electrode. The hydrogen donor layer may overlap the emission area and may be in contact with or spaced apart from the common electrode.
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公开(公告)号：US20210280813A1
公开(公告)日：2021-09-09
申请号：US17034820
申请日：2020-09-28
Applicant: Samsung Display Co., LTD.
Inventor： Seung Mook LEE , Chang Hee LEE , Yool Guk KIM , Young Mo KOO , Jae Kook HA
Abstract: A display device includes a substrate on which pixels are defined, a pixel electrode disposed for each of the pixels on the substrate, a pixel defining layer disposed along a boundary of the pixels, the pixel defining layer including an opening exposing the pixel electrode, a light emitting layer disposed on the pixel electrode in the opening of the pixel defining layer, and a hole injection layer disposed between the pixel electrode and the light emitting layer. The hole injection layer includes an adhesion promoting layer disposed on the pixel electrode.
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