公开(公告)号：US20210265438A1

公开(公告)日：2021-08-26

申请号：US17034252

申请日：2020-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jinsuk Lee ,  Jin Jeon ,  Sugwoo Jung ,  Shinbeom Choi ,  Youngin Hwang ,  Byungno Kim ,  Heeyeon Kim ,  Kohei EBISUNO ,  Nalae Lee ,  Illhwan Lee ,  Jongmin Lee ,  Joohyeon Jo ,  Changha Kwak ,  Yongseon Jo

IPC: H01L27/32 ,  H01L51/00

Abstract: Provided are a thin film transistor substrate which include a substrate, a buffer layer and a thin film transistor, a display apparatus including the thin film transistor substrate, and a method of manufacturing the display apparatus including the thin film transistor substrate. The buffer layer includes an inorganic insulating layer. An area ratio of a peak corresponding to an N—H bond in the buffer layer is 0.5% or less based on a total peak area in a Fourier transform infrared spectroscopy (FTIR).

公开(公告)号：US12142213B2

公开(公告)日：2024-11-12

申请号：US18175412

申请日：2023-02-27

Applicant: Samsung Display Co., LTD.

Inventor： Jinsung An ,  Youngtaek Oh ,  Sungho Kim ,  Yongjae Kim ,  Sugwoo Jung

IPC: G09G3/3233 ,  H10K59/121 ,  H10K59/124 ,  H10K59/131

Abstract: A display device includes: a light emitting diode; a driving transistor configured to transmit driving current to the light emitting diode; a bias transistor including an input terminal electrically connected to a bias voltage line; a first light emission control transistor including an output terminal electrically connected to an in put terminal of the driving transistor, and a gate electrode configured to receive a light emission control signal; a second light emission control transistor including an input terminal electrically connected to an output terminal of the driving transistor, and a gate electrode configured to receive the light emission control signal; a bias bridge electrode electrically in contact with each of an output terminal of the bias transistor and the input terminal of the driving transistor; and a first light emission control bridge electrode configured to receive the light emission control signal.

公开(公告)号：US20240324305A1

公开(公告)日：2024-09-26

申请号：US18507194

申请日：2023-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seunghyun Lee ,  Sewan Son ,  Sungho Kim ,  Minwoo Woo ,  Kwanhee Lee ,  Jiseon Lee ,  Kyeongwoo Jang ,  Sugwoo Jung

IPC: H10K59/122 ,  H10K59/131

CPC classification number: H10K59/122 ,  H10K59/131

Abstract: A display apparatus includes a substrate including a display area and a non-display area outside the display area, a pixel circuit layer disposed on the substrate and including at least one transistor, a first sub-pixel electrode, a second sub-pixel electrode, and a third sub-pixel electrode spaced apart from each other and disposed on the pixel circuit layer, a first conductive bank layer disposed on the first sub-pixel electrode and including a first opening overlapping the first sub-pixel electrode, a second conductive bank layer disposed on the second sub-pixel electrode and including a second opening overlapping the second sub-pixel electrode, and a third conductive bank layer disposed on the third sub-pixel electrode and including a third opening overlapping the third sub-pixel electrode, wherein the first conductive bank layer, the second conductive bank layer, and the third conductive bank layer are spaced apart from each other.

公开(公告)号：US20240321909A1

公开(公告)日：2024-09-26

申请号：US18509356

申请日：2023-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： Semyung Kwon ,  Sungho Kim ,  Injun Bae ,  Sugwoo Jung

IPC: H01L27/12 ,  G09G3/32

CPC classification number: H01L27/1248 ,  G09G3/32 ,  H01L27/1225 ,  H01L27/124 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0267 ,  G09G2310/08

Abstract: A display apparatus includes a substrate having a display area and a peripheral area outside the display area, a transistor in the display area and a light-emitting element electrically connected to the transistor, and a scan driver in the peripheral area, wherein the scan driver includes a first transistor disposed on the substrate and including a first semiconductor layer comprising an oxide semiconductor and a first gate electrode overlapping the first semiconductor layer, a second transistor disposed on the substrate and including a second semiconductor layer comprising a silicon semiconductor and a second gate electrode overlapping the second semiconductor layer, and insulating layers disposed on the substrate and defining dummy holes not overlapping the first semiconductor layer and the second semiconductor layer, wherein the dummy holes are spaced apart from the first semiconductor layer and the second semiconductor layer and overlap dummy semiconductor layers adjacent to the first semiconductor layer.

公开(公告)号：US20240321203A1

公开(公告)日：2024-09-26

申请号：US18525303

申请日：2023-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jinsung An ,  Sungho Kim ,  Yongjae Kim ,  Yoonjee Shin ,  Sugwoo Jung

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2310/08 ,  G09G2320/0626 ,  G09G2330/021

Abstract: A pixel in which a luminance difference may be reduced during low-frequency driving, and a display apparatus including the same, there is provided a pixel that operates at a first scanning rate in a first mode and operates at a second scanning rate in a second mode, wherein the pixel includes a display element having an anode and a cathode, a first transistor that controls the magnitude of a driving current flowing to the display element according to a gate-source voltage, and a second transistor that is in an off state in the first mode and transmits a bias voltage to the first transistor in response to a first scan signal in the second mode.

公开(公告)号：US12039926B2

公开(公告)日：2024-07-16

申请号：US18301973

申请日：2023-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Wan-Soon Im ,  Chulho Kim ,  Kidan Lee ,  Jeong-Soo Lee ,  Jina Lee ,  Sugwoo Jung

IPC: G09G3/3208 ,  H10K59/122 ,  H10K59/131

CPC classification number: G09G3/3208 ,  H10K59/131 ,  G09G2320/0214 ,  G09G2320/0233 ,  G09G2340/0435 ,  H10K59/122

Abstract: A display device includes a light emitting element including an anode, a cathode, and a light emitting layer between the anode and the cathode, a first transistor connected between the anode and a first power line, the first transistor may be switched by a voltage of a node, a second transistor connected between the first transistor and a data line, the second transistor may be switched by a write scan signal, a third transistor connected between the node and the anode, the third transistor may be switched by a compensation scan signal, a fourth transistor connected between the node and an initialization line, the fourth transistor may be switched by an initialization scan signal, an insulating layer on the first to the fourth transistors, and a light blocking pattern protruding from the insulating layer, the light blocking pattern being adjacent to the third transistor and the fourth transistor.

公开(公告)号：US11631370B2

公开(公告)日：2023-04-18

申请号：US17721071

申请日：2022-04-14

Applicant: Samsung Display Co., Ltd.

Inventor： Wan-Soon Im ,  Chulho Kim ,  Kidan Lee ,  Jeong-Soo Lee ,  Jina Lee ,  Sugwoo Jung

IPC: G09G3/3208 ,  H01L27/32

Abstract: A display device includes a light emitting element including an anode, a cathode, and a light emitting layer between the anode and the cathode, a first transistor connected between the anode and a first power line, the first transistor may be switched by a voltage of a node, a second transistor connected between the first transistor and a data line, the second transistor may be switched by a write scan signal, a third transistor connected between the node and the anode, the third transistor may be switched by a compensation scan signal, a fourth transistor connected between the node and an initialization line, the fourth transistor may be switched by an initialization scan signal, an insulating layer on the first to the fourth transistors, and a light blocking pattern protruding from the insulating layer, the light blocking pattern being adjacent to the third transistor and the fourth transistor.

公开(公告)号：US20240324434A1

公开(公告)日：2024-09-26

申请号：US18526132

申请日：2023-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongkuk Kim ,  Duckjung Lee ,  Sugwoo Jung

IPC: H10K71/16 ,  C23C14/04

CPC classification number: H10K71/166 ,  C23C14/042

Abstract: An apparatus for manufacturing a display device includes a mask assembly arranged in the chamber and facing a display substrate, a magnetic force portion arranged in the chamber and applying a magnetic force to the mask assembly, and a deposition source. The mask assembly includes a first mask layer having a first mask opening formed therein and a second mask layer disposed on the first mask layer. The second mask layer includes a metal layer having a metal opening formed therein and an inorganic layer disposed on the metal layer and having an inorganic opening overlapping the first mask opening in a plan view. The metal opening overlaps the inorganic opening in a plan view.

公开(公告)号：US20240324317A1

公开(公告)日：2024-09-26

申请号：US18614539

申请日：2024-03-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sewan Son ,  Wangwoo Lee ,  Sungho Kim ,  Minwoo Woo ,  Kwanhee Lee ,  Jiseon Lee ,  Sugwoo Jung ,  Hyeri Cho

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K59/88 ,  H10K71/60

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/873 ,  H10K59/88 ,  H10K71/60

Abstract: A display apparatus includes a pixel electrode, a pixel definition layer disposed over the pixel electrode and including a first opening exposing a center portion of the pixel electrode, a bank layer disposed over the pixel definition layer and including a second opening exposing the center portion of the pixel electrode, a first pixel protection layer and a second pixel protection layer arranged between the pixel definition layer and the bank layer, an intermediate layer disposed over the pixel electrode, an opposite electrode disposed over the intermediate layer, and an encapsulation layer disposed over the bank layer and the opposite electrode.

公开(公告)号：US20240237459A1

公开(公告)日：2024-07-11

申请号：US18398318

申请日：2023-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Kyeongwoo Jang ,  Sewan Son ,  Jiseon Lee ,  Kwanhee Lee ,  Seunghyun Lee ,  Sugwoo Jung

IPC: H10K59/35 ,  H10K59/122 ,  H10K59/123 ,  H10K59/131

CPC classification number: H10K59/353 ,  H10K59/122 ,  H10K59/123 ,  H10K59/131

Abstract: A display apparatus including a substrate, a first sub-pixel electrode disposed over the substrate, a metal bank layer overlapping the first sub-pixel electrode, an inorganic bank layer disposed on the first sub-pixel electrode and disposed under the metal bank layer, and an auxiliary electrode overlapping the metal bank layer in the non-sub-pixel area, wherein a bottom surface of the inorganic bank layer is in contact with the auxiliary electrode through a first contact hole.