公开(公告)号：US10784328B2

公开(公告)日：2020-09-22

申请号：US16178846

申请日：2018-11-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junghun Yi ,  Seungkyu Lee ,  Wonkyu Kwak ,  Wonse Lee

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3225 ,  H01L27/12 ,  G09G3/3233 ,  G09G3/20

Abstract: A display apparatus is provided by the present invention, the display apparatus includes a first thin film transistor (TFT) disposed in a first pixel region and including a first semiconductor layer and a first gate electrode, where the semiconductor layer includes first source and drain regions; a second TFT disposed in a second pixel region adjacent the first pixel region and including a second semiconductor layer and a second gate electrode, where the second semiconductor layer includes a second source and drain regions; a first pixel electrode disposed in the first pixel region and including a first region where a first light-emitting layer is disposed and a second region extending from the first region and disposed on a first via hole; and a second pixel electrode disposed in the second pixel region and including a third region where a second light-emitting layer is disposed and a fourth region extending from the third region and disposed on a second via hole.

公开(公告)号：US10586841B2

公开(公告)日：2020-03-10

申请号：US15903480

申请日：2018-02-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joongsoo Moon ,  Wonkyu Kwak ,  Kwangmin Kim ,  Kiwook Kim ,  Dongsoo Kim ,  Hyunae Park ,  Jieun Lee ,  Changkyu Jin

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/00 ,  H01L51/52 ,  H01L49/02

Abstract: A display apparatus includes: a substrate having a bending area between a first area and a second area; internal conductive lines on the substrate in the first area; external conductive lines on the substrate in the second area; an organic material layer covering the bending area and covering at least a portion of the internal conductive lines and the external conductive lines; and connection lines on the organic material layer and connecting the internal conductive lines to the external conductive lines, respectively. Organic through-holes are defined through the organic material layer, the connection lines are respectively connected to the internal conductive lines through the organic through-holes, and an upper surface of the organic material layer between the organic through-holes has a convex curved shape.

公开(公告)号：US20190312097A1

公开(公告)日：2019-10-10

申请号：US16363145

申请日：2019-03-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chulhyun Choi ,  Zail Lhee ,  Keunsoo Lee ,  Kyungchan Chae ,  Kwangmin Kim ,  Wonkyu Kwak ,  Kiwook Kim ,  Yangwan Kim ,  Hyunjoon Kim ,  Jisu Na ,  Joongsoo Moon

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a substrate including a display area and a peripheral area disposed outside of the display area, a plurality of wiring lines disposed in the peripheral area, and an interlayer insulating layer covering the plurality of wiring lines. The interlayer insulating layer includes an upper surface having a first concave-convex surface corresponding to the plurality of wiring lines. The display apparatus further includes a first conductive layer disposed on the interlayer insulating layer and including a second upper surface having a second concave-convex surface corresponding to the first concave-convex surface, a planarization layer disposed on the first conductive layer and having a flat upper surface, a second conductive layer disposed on the planarization layer and having a flat upper surface, and a polarization plate disposed on the second conductive layer.

公开(公告)号：US20180061917A1

公开(公告)日：2018-03-01

申请号：US15439739

申请日：2017-02-22

Applicant: Samsung Display Co., Ltd.

Inventor： Dongsoo Kim ,  Wonkyu Kwak ,  Jieun Lee ,  Joongsoo Moon

IPC: H01L27/32 ,  H01L51/00

CPC classification number: H01L27/3258 ,  H01L27/3244 ,  H01L51/0097 ,  H01L51/5246 ,  H01L51/5253 ,  H01L2251/5338 ,  H01L2251/558 ,  Y02E10/549

Abstract: Provided is a display apparatus capable of reducing generation of defects during manufacturing processes or while in use after being manufactured. The display apparatus includes a substrate including a first area including a display area, a second area spaced apart from the first area, and a bent area between the first area and the second area and connecting the first area and the second area to each other, wherein the substrate is bent about a bending axis; an inorganic insulating layer over the substrate, wherein the inorganic insulating layer includes a first opening or a first groove corresponding to the bent area and a second opening or a second groove at outside the display area to extend along at least a part of the display area; and an organic material layer at least partially filling the first opening or the first groove and the second opening or the second groove.

公开(公告)号：US20170188463A1

公开(公告)日：2017-06-29

申请号：US15213231

申请日：2016-07-18

Applicant: Samsung Display Co., Ltd.

Inventor： Byungsun Kim ,  Wonkyu Kwak ,  Kwangmin Kim ,  Hyejin Shin ,  Taekyoung Hwang

IPC: H05K1/18 ,  H01L27/32 ,  H01L51/00 ,  H05K1/02 ,  H05K1/11

CPC classification number: H05K1/18 ,  H01L27/3262 ,  H01L27/3276 ,  H01L51/0097 ,  H01L2251/5338 ,  H05K1/028 ,  H05K1/115 ,  Y02E10/549

Abstract: A flexible substrate and a flexible display device including the same are disclosed. In one aspect, the flexible substrate includes a first substrate that is flexible and a metal wiring layer over the first substrate and having a first surface facing the first substrate, a second surface opposite to the first surface, and a plurality of holes penetrating the first and second surfaces. The holes are arranged in a plurality of rows. The holes comprise a first hole in an n-th row and a first hole in a (n-1)th row. The first hole of the n-th row is spaced apart from the first hole in the (n-1)th row by a first distance, and an edge of each of the holes is curved.

公开(公告)号：US09553275B2

公开(公告)日：2017-01-24

申请号：US14859039

申请日：2015-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangmin Kim ,  Wonkyu Kwak ,  Hyejin Shin

IPC: H01L33/00 ,  H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L33/62 ,  H01L33/20 ,  H01L33/48 ,  H01L25/075

CPC classification number: H01L51/0097 ,  H01L25/0753 ,  H01L27/3276 ,  H01L33/20 ,  H01L33/486 ,  H01L33/62 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/5338 ,  Y02E10/549 ,  Y02P70/521

Abstract: A flexible display panel and a method of manufacturing the same are disclosed. In one aspect, the flexible display panel includes a flexible substrate including a bending area, a display unit formed over the flexible substrate, and a thin film encapsulation layer covering the display unit. The flexible display panel further includes a wiring layer electrically connected to the display unit and formed over the bending area and a stress-neutralizing layer formed over the flexible substrate. The stress-neutralizing layer is configured such that a compressive stress is applied to the wiring layer when the bending area is bent. The stress-neutralizing layer includes a layer formed of the same material as the thin film encapsulation layer.

Abstract translation: 公开了一种柔性显示面板及其制造方法。 一方面，柔性显示面板包括柔性基板，包括弯曲区域，形成在柔性基板上的显示单元以及覆盖显示单元的薄膜封装层。 柔性显示面板还包括电连接到显示单元并形成在弯曲区域上的布线层和形成在柔性基板上的应力中和层。 应力中和层被构造成使得当弯曲区域弯曲时，将压应力施加到布线层。 应力中和层包括由与薄膜封装层相同的材料形成的层。

公开(公告)号：US20250160155A1

公开(公告)日：2025-05-15

申请号：US19019373

申请日：2025-01-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghwan Kim ,  Wonkyu Kwak ,  Junghoon Shim

IPC: H10K59/131 ,  H10K59/35

Abstract: A display panel includes: a main display area; a component area including a transmission area; a peripheral area outside the main display area; a substrate; main display elements on the substrate to correspond to the main display area; main pixel circuits respectively connected to the main display elements; auxiliary display elements on the substrate to correspond to the component area; auxiliary pixel circuits respectively connected to the auxiliary display elements; a driving voltage line to apply a driving voltage to the main pixel circuits; a data line to apply a data signal to the main pixel circuits; a bottom metal layer between the substrate and the auxiliary pixel circuits at the component area; and a bias wire connected to the bottom metal layer, and located at the main display area.

公开(公告)号：US12302707B2

公开(公告)日：2025-05-13

申请号：US18498686

申请日：2023-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Chulkyu Kang ,  Sangmoo Choi ,  Wonkyu Kwak ,  Jinwoo Park ,  Dongsun Lee

IPC: G09G3/32 ,  G09G3/3233 ,  H10K59/121 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K77/10 ,  H10D30/67 ,  H10D86/40 ,  H10D86/60 ,  H10K102/00

Abstract: A display apparatus includes a substrate including a display area; a first thin film transistor arranged on the display area of the substrate and having a first semiconductor layer including a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer by a first gate insulating layer; a second thin film transistor arranged on the display area of the substrate and having a second semiconductor layer including an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer; and a storage capacitor at least partially overlapping the first thin film transistor and having a lower electrode and an upper electrode, wherein the second semiconductor layer and one of the lower electrode and the upper electrode are arranged on a same layer.

公开(公告)号：US20250151592A1

公开(公告)日：2025-05-08

申请号：US19018236

申请日：2025-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Minjeong Kim ,  Hyungjun Park ,  Junyong An ,  Nuree Um ,  Wonkyu Kwak

IPC: H10K59/88 ,  H10D30/67 ,  H10D86/40 ,  H10D86/60 ,  H10K59/121 ,  H10K59/131

Abstract: A display apparatus includes a first pad at one side of a substrate; a first semiconductor layer on the substrate; a first crack detection electrode interposed between the substrate and the first semiconductor layer, and including a first end portion at the one side and a second end portion at another side; a second crack detection electrode disposed on the first semiconductor layer, and including a first end portion located at the one side and a second end portion connected to the second end portion of the first crack detection electrode; and a first auxiliary electrode disposed on the second conductive layer, and including a first end portion connected to the second end portion of the first crack detection electrode and a second end portion electrically connected to the first pad.

公开(公告)号：US12289950B2

公开(公告)日：2025-04-29

申请号：US18457796

申请日：2023-08-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jieun Lee ,  Wonkyu Kwak ,  Kwangmin Kim ,  Kiwook Kim ,  Dongsoo Kim ,  Joongsoo Moon ,  Hyunae Park ,  Changkyu Jin

IPC: H10K50/844 ,  H10K50/813 ,  H10K50/822 ,  H10K50/842 ,  H10K59/122 ,  H10K59/131

Abstract: An organic light-emitting display apparatus includes a substrate having a display area displaying an image and a periphery area. The periphery area is located next to the display area. A first organic insulating layer is disposed on the substrate. The first organic insulating layer includes a valley portion separating the first organic insulating layer from the periphery area. A plurality of organic light-emitting devices is disposed on the substrate. Each of the organic light-emitting devices includes a first electrode, an emission layer, and a second electrode, sequentially disposed over the first organic insulating layer. The second electrode covers the emission layer and the valley portion. A second organic insulating layer is disposed over the first organic insulating layer and incudes a first opening exposing a center portion of the first electrode and a second opening overlapping the valley portion. A capping layer covers the second electrode.