公开(公告)号：US20210367015A1

公开(公告)日：2021-11-25

申请号：US17144676

申请日：2021-01-08

Applicant: Samsung Display Co., LTD.

Inventor： Young Dae KIM ,  Sang Jin PARK ,  Min Jae JEONG ,  Min Kyung KIM

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

Abstract: A display device includes a planarization layer disposed on a substrate, a first electrode disposed on the planarization layer and including silver (Ag), a contact preventing layer disposed on the first electrode, including a light absorbing material, and including a top surface and a side surface extending from an end of the top surface, and a pixel defining layer disposed on the contact preventing layer and including a bottom surface facing the top surface of the contact preventing layer, and a side surface extending from an end of the bottom surface. The first electrode includes a first region overlapping pixel defining layer. The contact preventing layer includes a second region overlapping the first region between the first electrode and the pixel defining layer. A first edge where the top and side surfaces of the contact preventing layer meet is located on the bottom surface of the pixel defining layer.

公开(公告)号：US20210074769A1

公开(公告)日：2021-03-11

申请号：US16904715

申请日：2020-06-18

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Jin PARK ,  Hyun Ae KIM ,  Hee Ra KIM ,  Ha Na SEO ,  Chong Sup CHANG ,  Eui Kang HEO

IPC: H01L27/32

Abstract: A display device includes a first display substrate and a second display substrate. The first display substrate includes a first base, a first electrode disposed on the first base, a second electrode spaced apart from the first electrode, and a light emitting element disposed between the first electrode and the second electrode. The second display substrate faces the first display substrate and is configured to receive light emitted from the light emitting element. The second display substrate includes a second base, a first color filter disposed on a surface of the second base, and a first wavelength conversion pattern disposed on the first color filter. The first wavelength conversion pattern includes a first surface facing the first display substrate, and a second surface facing the first surface and the first color filter. The first surface includes a curved surface portion recessed toward the second surface.

公开(公告)号：US20200212139A1

公开(公告)日：2020-07-02

申请号：US16708950

申请日：2019-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： Young Seok BAEK ,  Heena KIM ,  Sang Jin PARK ,  Taehyeok CHOI ,  Mijung HAN

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

Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.

公开(公告)号：US20240414948A1

公开(公告)日：2024-12-12

申请号：US18592129

申请日：2024-02-29

Applicant: Samsung Display Co., LTD.

Inventor： Young Seok BAEK ,  Chong Sup CHANG ,  Sang Jin PARK ,  In Kyung YOO

IPC: H10K59/122 ,  H10K59/80

Abstract: A display device includes a substrate including an emission area and a non-emission area; a via layer disposed on the substrate and including a recess toward the substrate; a pixel-defining layer overlapping the non-emission area and disposed on the via layer; a first bank layer disposed on the pixel-defining layer and defining a first opening; a second bank layer disposed on the first bank layer and including a tip protruding toward the first opening from a side surface of the first bank layer; a first pixel electrode overlapping the recess of the via layer and disposed on the substrate; a first emissive layer disposed on the first pixel electrode in the first opening; and a first common electrode disposed on the first emissive layer in the first opening and in contact with the first bank layer.

公开(公告)号：US20230157088A1

公开(公告)日：2023-05-18

申请号：US17741111

申请日：2022-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Jin PARK ,  Young Dae KIM ,  Young Seok BAEK ,  Dong Hyun YANG

IPC: H01L27/32 ,  H01L27/12

CPC classification number: H01L27/3258 ,  H01L27/3262 ,  H01L27/127 ,  H01L27/1248

Abstract: Provided are display device and method of fabricating the same. The display device comprises a substrate, a first semiconductor layer, a first gate insulating layer, a first gate electrode dispose, a first interlayer insulating layer, a first oxide semiconductor layer, a second gate insulating layer and a second gate electrode sequentially disposed on the substrate, spacers disposed on side surfaces of the second gate electrode, and a second interlayer insulating layer disposed on the spacers, wherein each of the spacers comprises a first spacer disposed to contact a side surface of the second gate electrode and a second spacer disposed on the first spacer. A concentration of hydrogen included in the first spacer is lower than a concentration of hydrogen included in the second spacer.

公开(公告)号：US20200212126A1

公开(公告)日：2020-07-02

申请号：US16708894

申请日：2019-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： Heena KIM ,  Myounggeun CHA ,  Sang Jin PARK ,  Young Seok BAEK

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light emitting diode display device includes a substrate, a buffer layer, a first circuit structure, a sub-pixel structure, and a first signal wire. The substrate includes a display region including a plurality of sub-pixel regions and a peripheral region surrounding the display region. The buffer layer is disposed in the display region and peripheral region on the substrate. The first circuit structure is disposed in the peripheral region on the buffer layer. The sub-pixel structure is disposed in each of the sub-pixel regions on the first circuit structure. The first signal wire is disposed in the peripheral region between the substrate and the buffer layer, and overlaps the first circuit structure when viewed from a plan view in a thickness direction of the substrate.

公开(公告)号：US20200105168A1

公开(公告)日：2020-04-02

申请号：US16440817

申请日：2019-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hyeok CHOI ,  Hee Na KIM ,  Sang Jin PARK ,  Young Seok BAEK ,  Mi Jung HAN

IPC: G09F9/30 ,  H01L51/52 ,  H01L51/00

Abstract: A display device according to some example embodiments includes: a substrate including a first area, a second area, and a bending area between the first area and the second area; a display unit overlapping the first area; and a protection layer overlapping the bending area, wherein the substrate includes a groove at the bending area, and the protection layer is formed in the groove.

公开(公告)号：US20230024754A1

公开(公告)日：2023-01-26

申请号：US17691074

申请日：2022-03-09

Applicant: Samsung Display Co., LTD.

Inventor： Yong Hwan RYU ,  Sang Jin PARK ,  Sa Rah LEE ,  Sung Bae JU

IPC: G03F7/16 ,  H01L21/67

Abstract: A photolithography apparatus includes a cleaning unit which cleans a target substrate, a drying unit which dries the target substrate provided from the cleaning unit, and a coating unit which forms a photoresist layer by coating a photoresist on the target substrate provided from the drying unit. The drying unit includes a first vacuum unit which performs a vacuum treatment on the target substrate.

公开(公告)号：US20210296407A1

公开(公告)日：2021-09-23

申请号：US17337818

申请日：2021-06-03

Applicant: Samsung Display Co., Ltd.

Inventor： Heena KIM ,  Myounggeun CHA ,  Sang Jin PARK ,  Young Seok BAEK

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light emitting diode display device includes a substrate, a buffer layer, a first circuit structure, a sub-pixel structure, and a first signal wire. The substrate includes a display region including a plurality of sub-pixel regions and a peripheral region surrounding the display region. The buffer layer is disposed in the display region and peripheral region on the substrate. The first circuit structure is disposed in the peripheral region on the buffer layer. The sub-pixel structure is disposed in each of the sub-pixel regions on the first circuit structure. The first signal wire is disposed in the peripheral region between the substrate and the buffer layer, and overlaps the first circuit structure when viewed from a plan view in a thickness direction of the substrate.

公开(公告)号：US20200051472A1

公开(公告)日：2020-02-13

申请号：US16372248

申请日：2019-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Bae JU ,  Sang Jin PARK ,  Dong Hyun YANG ,  In Kyung YOO

IPC: G09G3/00 ,  G09G3/3258 ,  H01L51/00 ,  H01L51/56

Abstract: A repairing method of an organic light emitting diode display, including: a repairability checking step for applying a first positive bias to a pixel including a driving transistor and an organic light emitting diode based on the organic light emitting diode; and a stress applying step for applying a second positive bias that is greater than the first positive bias to the organic light emitting diode.