公开(公告)号：US11482587B2

公开(公告)日：2022-10-25

申请号：US16823220

申请日：2020-03-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seunghwan Cho ,  Minsoo Kim

IPC: H01L27/32 ,  H01L23/60 ,  H01L27/02 ,  H01L27/12

Abstract: A display device may include a substrate, a pixel, a transistor, a data line, a connection line, a pad, and an electrostatic discharge protection circuit. The substrate may include a display area and a pad area. The pad area may overlap the display area. The pixel may be supported by the display area and may include a pixel electrode. The data line may be electrically connected through the transistor to the pixel electrode. The connection line may be supported by the display area and may be electrically connected through the data line to the transistor. The pad may be supported by the pad area and may be electrically connected through the connection line to the data line. The display area and the pad area may be positioned between the connection line and the pad. The electrostatic discharge protection circuit may be electrically connected to the connection line.

公开(公告)号：US20220208924A1

公开(公告)日：2022-06-30

申请号：US17466317

申请日：2021-09-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jonghyun Choi ,  Seunghwan Cho

IPC: H01L27/32

Abstract: A display device includes a display area and a peripheral area outside the display area, and includes: a substrate; a first semiconductor layer located in the display area and arranged on the substrate; a second semiconductor layer arranged on the first semiconductor layer; a data line located in the display area and extending in a first direction; an input line located in the peripheral area; a connection line located in the display area and electrically connecting the data line and the input line to each other; and a shielding layer located in the display area and located between the first semiconductor layer and the connection line in a cross-section view. The shielding layer overlaps at least a portion of the connection line in a plan view.

公开(公告)号：US11211582B2

公开(公告)日：2021-12-28

申请号：US15383254

申请日：2016-12-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Taehyun Kim ,  Seunghwan Cho ,  Sangho Park ,  Seungmin Lee ,  Jungkyu Lee ,  Joosun Yoon ,  Jangdoo Lee

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: A thin film transistor is disposed on a substrate. A via insulating layer having a via hole covers the thin film transistor. A pixel electrode is disposed on the via insulating layer and electrically connected to the thin film transistor through the via hole. A first protection layer surrounds the pixel electrode. A pixel-defining layer covers an edge region of the pixel electrode and at least a portion of the first protection layer. The pixel-defining layer includes an opening through which an upper surface of the pixel electrode is exposed. An opposite electrode faces the pixel electrode. An intermediate layer is disposed between the pixel electrode and the opposite electrode.

公开(公告)号：US20210375215A1

公开(公告)日：2021-12-02

申请号：US17322205

申请日：2021-05-17

Applicant: Samsung Display Co., Ltd.

Inventor： Seunghwan Cho ,  Youngwoo Park ,  Seokje Seong ,  Jiseon Lee ,  Wonsuk Choi ,  Jonghyun Choi

IPC: G09G3/3291

Abstract: A display apparatus includes a substrate, a first data line in a display area, a first input line in a peripheral area, and a first connecting wire electrically connected to the first input line in a peripheral area of the substrate. The first connecting wire transfers a first input signal from the first input line to the first data line. The first connecting wire includes a first connecting line disposed in a display area of the substrate and extending in the first direction, and a second connecting line electrically connected to the first connecting line and extending in a second direction intersecting the first direction. The first connecting line and the second connecting line are disposed on different layers.

公开(公告)号：US10985233B2

公开(公告)日：2021-04-20

申请号：US16846170

申请日：2020-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Kinyeng Kang ,  Taewoo Kim ,  Taehoon Yang ,  Seunghwan Cho ,  Jonghyun Choi

IPC: H01L27/32

Abstract: A display device includes: a substrate comprising a display area and a peripheral area outside the display area; a first connection line in the display area, the first connection line comprising a first portion extending along a first column of the display area and in the first column, a third portion extending along a second column of the display area and in the second column, and a second portion connecting the first portion to the third portion; and a second connection line in the peripheral area and connected to the third portion of the first connection line and a data line in a third column of the display area.

公开(公告)号：US10896947B2

公开(公告)日：2021-01-19

申请号：US16522096

申请日：2019-07-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minseong Yi ,  Seungmin Lee ,  Jungkyu Lee ,  Seunghwan Cho ,  Gyungsoon Park ,  Jaeun Lee

IPC: H01L27/32

Abstract: A display device includes a substrate having a display area, a peripheral area at least partially surrounding the display area, and a pad area within the peripheral area. A plurality of data lines is disposed within the display area. A plurality of connection wirings is disposed within the display area, connected to the plurality of data lines, and configured to transmit a data signal from the pad area to the plurality of data lines. Each of the plurality of connection wirings includes a plurality of branches that protrude from the connection wirings in a direction perpendicular to a direction in which the connection wirings are primarily extended.

公开(公告)号：US20200350382A1

公开(公告)日：2020-11-05

申请号：US16934847

申请日：2020-07-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SUYEON SIM ,  Kwangsuk Kim ,  Sangho Park ,  Seunghwan Cho

IPC: H01L27/32 ,  H01L51/56

Abstract: An organic light-emitting display apparatus is provided as follows. A thin film transistor is disposed on a substrate. A first insulating layer covers the thin film transistor. The first insulating layer includes a barrier wall and a flat portion. The barrier wall protrudes from the flat portion. A pixel electrode is disposed on the flat portion surrounded by the barrier wall. The pixel electrode is electrically connected to the thin film transistor. A pixel defining layer is disposed on the pixel electrode and partially exposes the pixel electrode.

公开(公告)号：US10566402B2

公开(公告)日：2020-02-18

申请号：US15080388

申请日：2016-03-24

Applicant: Samsung Display Co., Ltd.

Inventor： Seunghwan Cho ,  Sangho Park ,  Donghwan Shim ,  Kiwan Ahn ,  Joosun Yoon

IPC: H01L27/32 ,  H01L51/56

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a plurality of pixels, each pixel including a driving circuit that includes a driving transistor and a storage capacitor electrically connected to the driving transistor. The driving transistor includes a driving active layer and a first electrode, the first electrode insulated from the driving active layer and disposed over at least a portion of the driving active layer. The storage capacitor includes a first capacitor including the first electrode and a second electrode facing the first electrode and a second capacitor comprising the second electrode and a third electrode facing the second electrode.

公开(公告)号：US20190088733A1

公开(公告)日：2019-03-21

申请号：US16118776

申请日：2018-08-31

Applicant: Samsung Display Co., Ltd.

Inventor： Seunghwan Cho ,  Jonghyun Choi ,  Kyunghoon Kim ,  Donghwan Shim ,  Seonyoung Choi

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3225

Abstract: A display apparatus includes a substrate including a display area including a main display area and an edge display area extended directly from a side of the main display area, and a peripheral area outside the display area and including a pad area through which electrical signals are applied to the display area; and in the peripheral area, a plurality of wirings between the display area and the pad area and through which the electrical signals are transmitted from the pad area to the display area, the plurality of wirings including: a first wiring through which an electrical signal is transmitted from the pad area to the main display area, and a second wiring through which an electrical signal is transmitted from the pad area to the edge display area, where an electrical resistance per unit length of the first wiring is greater than that of the second wiring.

公开(公告)号：US20170373094A1

公开(公告)日：2017-12-28

申请号：US15631294

申请日：2017-06-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sangho Park ,  Gyungsoon Park ,  Heerim Song ,  Donghwan Shim ,  Jungkyu Lee ,  Seunghwan Cho ,  Jonghyun Choi

IPC: H01L27/12 ,  G09G3/3233 ,  H01L27/32

CPC classification number: H01L27/1222 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2330/023 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: A thin film transistor “TFT”) substrate includes a substrate, an active layer over the substrate, and first and second TFTs over the substrate. The active layer includes: a first drain region, a first channel region and a first source region, which function as a drain, a channel and a source of the first TFT: a first lightly doped region between the first drain region and the first channel region: a second lightly doped region between the first channel region and the first source region: and a second drain region, a second channel region and a second source region, which function as a drain, a channel and a source of the second TFT. An impurity concentration at the second drain or source region is lower than an impurity concentration at the first drain or source region and higher than an impurity concentration at the first or second channel region.