公开(公告)号：US20230309348A1

公开(公告)日：2023-09-28

申请号：US18076480

申请日：2022-12-07

Applicant: Samsung Display Co., LTD.

Inventor： SUNGJOO KWON ,  JOONYONG PARK ,  SUBIN BAE ,  HYUNAH SUNG ,  HYUNEOK SHIN ,  DONGMIN LEE ,  JUHYUN LEE ,  YU-GWANG JEONG ,  SUNGWON CHO

IPC: H10K59/123 ,  H10K59/88 ,  H10K59/122 ,  H10K50/844 ,  H10K71/00

CPC classification number: H01L27/3248 ,  H01L27/3223 ,  H01L27/3246 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323

Abstract: A display device includes a transistor disposed on a substrate, an organic layer disposed on the transistor and defining grooves, a first pixel electrode disposed on the organic layer, electrically connected to the transistor, and including a pixel metal layer and a pixel protective layer, the pixel protective layer including at least one of an oxide and a halide and surrounding the pixel metal layer, and a dummy electrode disposed on the organic layer, spaced apart from the transistor, and including a dummy metal layer and a dummy protective layer, the dummy protective layer including at least one of an oxide and a halide and surrounding the dummy metal layer.

公开(公告)号：US20220059630A1

公开(公告)日：2022-02-24

申请号：US17317695

申请日：2021-05-11

Applicant: Samsung Display Co., Ltd.

Inventor： SUNGWON CHO ,  YU-GWANG JEONG ,  DAESOO KIM

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes a substrate, an active pattern disposed on the substrate, a gate electrode overlapping the active pattern, an inorganic insulation layer covering the active pattern, a source metal pattern and an etch-delaying pattern. The source metal pattern includes a first portion that is disposed on the inorganic insulation layer, and a second portion that passes through the inorganic insulation layer and electrically contacts the active pattern. The etch-delaying pattern is disposed between the active pattern and the first portion of the source metal pattern, contacts the second portion of the source metal pattern, and includes a different material from the inorganic insulation layer.

公开(公告)号：US20250017054A1

公开(公告)日：2025-01-09

申请号：US18889378

申请日：2024-09-19

Applicant: Samsung Display Co., Ltd.

Inventor： SUNGWON CHO ,  YU-GWANG JEONG ,  DAESOO KIM

IPC: H10K59/123 ,  H01L27/12 ,  H01L29/417 ,  H10K59/12 ,  H10K59/121 ,  H10K59/124 ,  H10K71/00 ,  H10K71/20 ,  H10K77/10 ,  H10K102/00

Abstract: A display device includes a substrate, an active pattern disposed on the substrate, a gate electrode overlapping the active pattern, an inorganic insulation layer covering the active pattern, a source metal pattern and an etch-delaying pattern. The source metal pattern includes a first portion that is disposed on the inorganic insulation layer, and a second portion that passes through the inorganic insulation layer and electrically contacts the active pattern. The etch-delaying pattern is disposed between the active pattern and the first portion of the source metal pattern, contacts the second portion of the source metal pattern, and includes a different material from the inorganic insulation layer.

公开(公告)号：US20240284715A1

公开(公告)日：2024-08-22

申请号：US18444039

申请日：2024-02-16

Applicant: Samsung Display Co., LTD.

Inventor： SUBIN BAE ,  Hee Jun YANG ,  TAEWOOK KANG ,  DAWOON JUNG ,  YU-GWANG JEONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K59/88 ,  G09G3/3233

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/8731 ,  H10K59/88 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852

Abstract: A display panel includes a base layer, a pixel defining film disposed on the base layer and including an inorganic material, a bank layer which is disposed on the pixel defining film and in which a plurality of pixel openings is defined, a plurality of light-emitting elements disposed in each of the plurality of pixel openings and including an anode, a light-emitting pattern, and a cathode. The cathode contacts the bank layer, a dummy pattern disposed on the bank layer, an inorganic encapsulation pattern disposed on the cathode and including a portion disposed on the dummy pattern, an organic pattern disposed on the inorganic encapsulation pattern, and an inorganic film disposed on the organic pattern. A portion of the inorganic film is disposed between the dummy pattern and the bank layer.

公开(公告)号：US20240431155A1

公开(公告)日：2024-12-26

申请号：US18826545

申请日：2024-09-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YU-GWANG JEONG ,  TAEWOOK KANG ,  Wooyong SUNG

IPC: H10K59/124 ,  H10K50/11 ,  H10K50/844 ,  H10K59/12 ,  H10K59/40 ,  H10K71/00 ,  H10K77/10

Abstract: A method of manufacturing a display panel includes providing an insulating substrate that includes a hole area, a display area that surrounds the hole area, and a peripheral area adjacent to the display area, forming a semiconductor pattern in the display area, forming an insulating layer, forming contact holes in the insulating layer that expose portions of the semiconductor pattern, and forming a module hole by etching a portion of the insulating layer and a portion of the insulating substrate that overlap the hole area.

公开(公告)号：US20210134913A1

公开(公告)日：2021-05-06

申请号：US17094247

申请日：2020-11-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YU-GWANG JEONG ,  TAEWOOK KANG ,  WOOYONG SUNG

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00 ,  H01L51/50

Abstract: A method of manufacturing a display panel includes providing an insulating substrate that includes a hole area, a display area that surrounds the hole area, and a peripheral area adjacent to the display area, forming a semiconductor pattern in the display area, forming an insulating layer, forming contact holes in the insulating layer that expose portions of the semiconductor pattern, and forming a module hole by etching a portion of the insulating layer and a portion of the insulating substrate that overlap the hole area.

公开(公告)号：US20240215322A1

公开(公告)日：2024-06-27

申请号：US18368294

申请日：2023-09-14

Applicant: Samsung Display Co., LTD.

Inventor： SUBIN BAE ,  DAWOON JUNG ,  YU-GWANG JEONG ,  TAEWOOK KANG ,  SANGGAB KIM

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K71/20

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/873 ,  H10K71/231

Abstract: A display panel which includes a base layer, a pixel defining layer defining a first light-emitting opening and a second light-emitting opening therein, a barrier wall including a first barrier wall portion that defines a first barrier opening that overlaps the first light-emitting opening and a second barrier wall portion that defines a second barrier opening that overlaps the second light-emitting opening, a first light-emitting element that is disposed in the first barrier opening and that includes a first anode, a first emission pattern, and a first cathode that contacts the first barrier wall portion, and a second light-emitting element that is disposed in the second barrier opening and that includes a second anode, a second emission pattern, and a second cathode that contacts the second barrier wall portion. A recess is defined in the barrier wall between the first barrier wall portion and the second barrier wall portion.

公开(公告)号：US20240147772A1

公开(公告)日：2024-05-02

申请号：US18463648

申请日：2023-09-08

Applicant: Samsung Display Co., Ltd.

Inventor： SUBIN BAE ,  DAWOON JUNG ,  YU-GWANG JEONG ,  TAEWOOK KANG ,  SANGGAB KIM ,  SUNGWON CHO

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/35 ,  H10K59/80 ,  H10K59/88

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/35 ,  H10K59/873 ,  H10K59/88 ,  H10K2102/351

Abstract: A display panel includes a base layer, a circuit layer, a light emitting element layer, and an encapsulation layer. The light emitting element layer includes a lower electrode on the circuit layer, a lower pixel defining film that covers a portion of the lower electrode to define a light emitting opening portion and is on the circuit layer, a light emitting pattern inside the light emitting opening portion and on the lower electrode, an upper electrode on the light emitting pattern, and an upper pixel defining film that defines an upper opening portion and is on the lower pixel defining film. The encapsulation layer includes a first inorganic encapsulation film on the upper electrode and the upper pixel defining film, and a transparent conductive oxide film on the first inorganic encapsulation film.

公开(公告)号：US20230075763A1

公开(公告)日：2023-03-09

申请号：US17900625

申请日：2022-08-31

Applicant: Samsung Display Co., LTD.

Inventor： KEUNWOO KIM ,  TAEWOOK KANG ,  JOON WOO BAE ,  YU-GWANG JEONG ,  SUNGWON CHO ,  JAEHWAN CHU ,  SANGGUN CHOI

IPC: H01L27/32 ,  G09G3/3233 ,  G09G3/20 ,  H01L51/56

Abstract: A display device includes: a substrate; and a plurality of pixel circuits on the substrate comprising: an active layer including a first region and a second region; a gate insulating layer on the active layer, the gate insulating layer including a first insulating layer overlapping the first region and the second region, a second insulating layer on the first insulating layer and overlapping the first region, and a third insulating layer on the second insulating layer and overlapping the first region and the second region; and a first conductive layer on the gate insulating layer, the first conductive layer including a first gate electrode overlapping the first region to form a driving transistor, and a second gate electrode overlapping the second region to form a switching transistor.

公开(公告)号：US20180069129A1

公开(公告)日：2018-03-08

申请号：US15704063

申请日：2017-09-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YONG SU LEE ,  YOON HO KHANG ,  DONG JO KIM ,  HYUN JAE NA ,  SANG HO PARK ,  SE HWAN YU ,  CHONG SUP CHANG ,  DAE HO KIM ,  JAE NEUNG KIM ,  MYOUNG GEUN CHA ,  SANG GAB KIM ,  YU-GWANG JEONG

IPC: H01L29/786 ,  H01L27/12 ,  H01L29/417 ,  H01L29/66

CPC classification number: H01L29/78633 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1288 ,  H01L27/3262 ,  H01L29/41733 ,  H01L29/66969 ,  H01L29/78618 ,  H01L29/7869 ,  H01L29/78696

Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.