公开(公告)号：US20240138215A1

公开(公告)日：2024-04-25

申请号：US18489076

申请日：2023-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： JUCHAN PARK ,  YOOMIN KO ,  SUNHO KIM ,  Hyewon KIM ,  JONGHEE PARK ,  PILSUK LEE ,  CHUNG SOCK CHOI ,  SUNGJIN HONG

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

Abstract: Provided is a method for manufacturing a display panel, the method includes forming a driving element layer including a transistor and a first insulation layer on a base layer; forming a contact-hole partially exposing the transistor; and providing a connection wiring electrically connected to the transistor through the contact-hole on the first insulation layer. The method includes forming a first tip portion by performing a primary etching on the connection wiring; providing the first tip portion exposed by the first open region as a second preliminary tip portion; and forming a second tip portion by performing a secondary etching on the second preliminary tip portion.

公开(公告)号：US20240237441A9

公开(公告)日：2024-07-11

申请号：US18489076

申请日：2023-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： JUCHAN PARK ,  YOOMIN KO ,  SUNHO KIM ,  Hyewon KIM ,  JONGHEE PARK ,  PILSUK LEE ,  CHUNG SOCK CHOI ,  SUNGJIN HONG

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

Abstract: Provided is a method for manufacturing a display panel, the method includes forming a driving element layer including a transistor and a first insulation layer on a base layer; forming a contact-hole partially exposing the transistor; and providing a connection wiring electrically connected to the transistor through the contact-hole on the first insulation layer. The method includes forming a first tip portion by performing a primary etching on the connection wiring; providing the first tip portion exposed by the first open region as a second preliminary tip portion; and forming a second tip portion by performing a secondary etching on the second preliminary tip portion.

公开(公告)号：US20240130190A1

公开(公告)日：2024-04-18

申请号：US18346302

申请日：2023-07-03

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JUHYUN LEE ,  JONGHEE PARK ,  JOONYONG PARK

IPC: H10K59/32 ,  H10K59/12 ,  H10K59/122 ,  H10K59/35 ,  H10K71/00 ,  H10K71/20

CPC classification number: H10K59/32 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/352 ,  H10K71/211 ,  H10K71/233 ,  H10K71/621

Abstract: An organic light emitting display device includes a first to a third pixel electrodes and a pixel defining layer disposed on a substrate, a first light emitting layer disposed on the first pixel electrode, a second light emitting layer disposed on the first to third pixel electrodes, a third light emitting layer disposed on the third pixel electrode, a thickness compensation layer disposed on the third pixel electrode, overlapping the third light emitting layer, and including Z-ITO having a ZnOx content of about 50 wt % or more, and about 90 wt % or less, and a common electrode disposed on the first to third light emitting layers.

公开(公告)号：US20210327926A1

公开(公告)日：2021-10-21

申请号：US17159518

申请日：2021-01-27

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGDAE KIM ,  JINSEOCK KIM ,  JONGHEE PARK

IPC: H01L27/12

Abstract: A substrate processing apparatus includes a first process chamber in which a target substrate is processed, a first tank connected to the first process chamber to supply a first chemical to the first process chamber, a second process chamber in which the target substrate is processed, and a second tank connected to the second process chamber to supply a second chemical to the second process chamber. A metal ion contained in the first chemical supplied to the first process chamber has an ion concentration greater than an ion concentration of the metal ion contained in the second chemical supplied to the second process chamber.

公开(公告)号：US20240324354A1

公开(公告)日：2024-09-26

申请号：US18596635

申请日：2024-03-06

Applicant: Samsung Display Co., Ltd.

Inventor： JUCHAN PARK ,  SUNHO KIM ,  CHUNG SOCK CHOI ,  JONGHEE PARK

IPC: H10K59/131 ,  H10K59/122

CPC classification number: H10K59/131 ,  H10K59/122

Abstract: A display panel is disclosed that includes a light-emitting element including a first electrode, a second electrode, and an intermediate layer, a transistor electrically connected to the light-emitting element, a connection line including a driving connection part connected to the transistor and an emission connection part connected to the second electrode, a first organic layer arranged between the transistor and the connection line, a second organic layer arranged on the first organic layer and between the transistor and the light-emitting element, and a pixel defining layer arranged between the first electrode and the second electrode and having defined therein a first opening overlapping at least a portion of the first electrode and a second opening spaced apart from the first opening, wherein the second electrode includes one end connected to the emission connection part and another end spaced apart from the one end in a cross-sectional view.

公开(公告)号：US20220204846A1

公开(公告)日：2022-06-30

申请号：US17388712

申请日：2021-07-29

Applicant: Samsung Display Co., Ltd.

Inventor： JONGHEE PARK ,  HYOUNG SIK KIM ,  O Byoung Kwon ,  Gi-Yong Nam ,  Kyungchan Min ,  SUCK JUN LEE ,  YOUNGMIN KIM ,  JINHYUNG KIM ,  DONGHUN LEE ,  KYU-HUN LIM ,  DONGMIN JANG

IPC: C09K13/06 ,  C23F1/44 ,  C23F1/02 ,  H01L51/00

Abstract: An etching composition for a silver-containing thin film, the etching composition comprising an inorganic acid compound, a sulfonic acid compound, an organic acid compound, a nitrate, a metal oxidizing agent, an amino acid compound, and water.

公开(公告)号：US20250072226A1

公开(公告)日：2025-02-27

申请号：US18749749

申请日：2024-06-21

Applicant: Samsung Display Co., LTD.

Inventor： JONGHEE PARK ,  HYOUNG SIK KIM ,  ILWOO PARK

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

Abstract: A display panel includes: a base layer; a first electrode disposed on the base layer; a pixel-defining film in which a light-emitting opening partially exposing the first electrode is defined, and which is disposed on the base layer; a first conductive partition wall in which a first partition wall opening overlapping the light-emitting opening in a plan view is defined, and which is disposed on the pixel-defining film; a second conductive partition wall in which a second partition wall opening overlapping the first partition wall opening, and a dummy opening overlapping the first conductive partition wall in the plan view are defined, and which is disposed on the first conductive partition wall; a second electrode disposed on the first electrode, and a light-emitting pattern disposed between the first electrode and the second electrode.

公开(公告)号：US20240268157A1

公开(公告)日：2024-08-08

申请号：US18519132

申请日：2023-11-27

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  JONGHEE PARK ,  JOONYONG PARK ,  JUHYUN LEE ,  YUNG BIN CHUNG

IPC: H10K59/122 ,  H10K59/00 ,  H10K59/12 ,  H10K59/88

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/771 ,  H10K59/88

Abstract: A display device including a base layer including a display area and a non-display area, the display area including a first emission area, a second emission area, a third emission area, and multiple non-emission areas. The display device also including, a pixel defining film exposing upper surfaces of each of the first to third lower electrodes, a conductive partition wall disposed on the pixel defining film and surrounding the third emission area in a plan view, a common emission pattern disposed on a first lower electrode and a second lower electrode and overlapping areas of the first emission area, the second emission area, and one of the non-emission areas disposed between the first emission area and the second emission area, and an auxiliary emission pattern disposed on the third lower electrode and overlapping the third emission area.

公开(公告)号：US20230220280A1

公开(公告)日：2023-07-13

申请号：US18122706

申请日：2023-03-17

Applicant: Samsung Display Co., Ltd.

Inventor： JONGHEE PARK ,  HYOUNG SIK KIM ,  O Byoung Kwon ,  Gi-Yong Nam ,  Kyungchan Min ,  SUCK JUN LEE ,  YOUNGMIN KIM ,  JINHYUNG KIM ,  DONGHUN LEE ,  KYU-HUN LIM ,  DONGMIN JANG

IPC: H10K71/00 ,  C09K13/06 ,  H10K59/12

CPC classification number: H10K71/621 ,  C09K13/06 ,  H10K59/1201

Abstract: An etching composition for a silver-containing thin film, the etching composition comprising an inorganic acid compound, a sulfonic acid compound, an organic acid compound, a nitrate, a metal oxidizing agent, an amino acid compound, and water.

公开(公告)号：US20200135819A1

公开(公告)日：2020-04-30

申请号：US16553257

申请日：2019-08-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNG DAE KIM ,  JIN SEOCK KIM ,  KITAE KIM ,  JONGHEE PARK

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

Abstract: A display device includes an insulating layer disposed on a substrate, a pixel electrode including a first conductive layer, a second conductive layer, and a third conductive layer sequentially stacked on the insulating layer, a pixel defining layer covering the pixel electrode and partially exposing the pixel electrode through an opening, an organic light emitting layer disposed in the opening of the pixel defining layer, and an opposing electrode disposed on the organic light emitting layer and overlapping the pixel electrode. A length of the first conductive layer is less than a length of the second conductive layer.