公开(公告)号：US20230047134A1

公开(公告)日：2023-02-16

申请号：US17709417

申请日：2022-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Dongmin Lee ,  Taewook Kang ,  Hyunah Sung ,  Dokeun Song ,  Hyuneok Shin ,  Yunjong Yeo ,  Daewon Choi ,  Shinil Choi

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes: a first inorganic insulating layer; a wiring disposed on the first inorganic insulating layer; a second inorganic insulating layer covering the wiring; and a display element disposed on the second inorganic insulating layer, wherein the wiring includes a lower layer including at least one of aluminum and an aluminum alloy, an upper layer disposed on the lower layer and including at least one of titanium and titanium oxide, and an intermediate layer disposed between the lower layer and the upper layer and including titanium aluminide.

公开(公告)号：US20220173177A1

公开(公告)日：2022-06-02

申请号：US17369877

申请日：2021-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunmin Cho ,  Taesung Kim ,  Yunjong Yeo ,  Sanggab Kim ,  Daewon Choi

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: An embodiment of a display device includes a substrate including a display area; an organic layer and having a protrusion protruding in a thickness direction of the substrate and overlapping the display area; a first electrode on the organic layer and overlapping the display area; a pixel defining layer covering the protrusion and an edge of the first electrode and having an opening portion overlapping the first electrode; an emission layer on the first electrode and overlapping the opening portion; and a second electrode on the emission layer, wherein the pixel defining layer includes an inorganic material, and a first distance from an upper surface of the substrate to a lower surface of the first electrode is less than a second distance from the upper surface of the substrate to an upper surface of the protrusion, the lower surface of the first electrode facing the upper surface of the substrate.

公开(公告)号：US20220005899A1

公开(公告)日：2022-01-06

申请号：US17189262

申请日：2021-03-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jinyong Lee ,  Jinho Ju ,  Kwangwoo Park ,  Yunjong Yeo ,  Wooseok Jeon ,  Chaungi Choi

IPC: H01L27/32

Abstract: A display apparatus including a substrate having a display area, a plurality of pixel circuits arranged in the display area, each of the pixel circuits including a thin-film transistor, a plurality of display elements respectively connected to the pixel circuits, and a composite layer disposed between the pixel circuits and the display elements, the composite layer including a first inorganic insulating layer, a first organic insulating layer, and a second inorganic insulating layer, which are sequentially stacked.

公开(公告)号：US11183554B2

公开(公告)日：2021-11-23

申请号：US16709457

申请日：2019-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dongmin Lee ,  Sangwoo Sohn ,  Sukyoung Yang ,  Dokeun Song ,  Kyeong Su Ko ,  Sanggab Kim ,  Sangwon Shin ,  Hyuneok Shin ,  Yunjong Yeo ,  Joongeol Lee

IPC: H01L27/32 ,  H01L29/49 ,  H01L51/56

Abstract: A display device includes a first signal line including a first layer disposed on a substrate and containing aluminum (Al), a second layer disposed on the first layer and containing titanium nitride (TiNx), and a third layer disposed on the second layer and containing titanium (Ti), a second signal line crossing the first signal line, a first transistor including a first gate electrode connected to the first signal line and a first source electrode connected to the second signal line, and an organic light emitting diode disposed in a display area of the substrate to generate light corresponding to a data signal applied to the second signal line.