公开(公告)号：US11678527B2

公开(公告)日：2023-06-13

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: H10K59/123 ,  H10K50/86 ,  H10K59/38 ,  H10K59/40 ,  H10K59/122 ,  H10K71/00 ,  H10K71/20 ,  G06F3/041 ,  H10K59/12

CPC classification number: H10K59/123 ,  H10K50/865 ,  H10K59/122 ,  H10K59/38 ,  H10K59/40 ,  H10K71/00 ,  H10K71/231 ,  H10K71/233 ,  G06F3/0412 ,  H10K59/1201

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：US10706755B2

公开(公告)日：2020-07-07

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.

公开(公告)号：US10529789B2

公开(公告)日：2020-01-07

申请号：US15867803

申请日：2018-01-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Na Kim ,  Sang Jin Park ,  Yong Hwan Ryu ,  Tae Hyeok Choi

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

Abstract: A display device includes a substrate, a first thin-film transistor (TFT), a first organic light-emitting diode (OLED), and a second OLED. The TFT is on a first surface of the substrate and includes a first output electrode and a second output electrode. The OLED is on the first surface of the substrate and is electrically connected to the first output electrode of the TFT. The second OLED is on a second surface of the substrate and is electrically connected to the second output electrode of the TFT.

公开(公告)号：US11217634B2

公开(公告)日：2022-01-04

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 ,  H01L51/56 ,  H01L51/52

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：US10672304B2

公开(公告)日：2020-06-02

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 ,  H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  G06F1/16

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：US12161020B2

公开(公告)日：2024-12-03

申请号：US17527526

申请日：2021-11-16

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 ,  H10K50/11 ,  H10K50/844 ,  H10K59/00 ,  H10K59/12 ,  H10K59/124 ,  H10K59/80 ,  H10K71/00 ,  H10K59/50 ,  H10K59/60 ,  H10K59/65 ,  H10K71/80

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：US11121195B2

公开(公告)日：2021-09-14

申请号：US16387468

申请日：2019-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Jin Park ,  Min Jae Jeong ,  Hee Na Kim ,  Young Seok Baek ,  Dong Hyun Yang

IPC: H01L27/32 ,  G06F3/041 ,  G06K9/00

Abstract: An organic light emitting display device includes a light emitting layer for emitting light and for displaying an image, a fingerprint sensor for detecting a fingerprint, and a circuit element layer disposed between the light emitting layer and the fingerprint sensor and configured to control the light emitting layer. The fingerprint sensor includes a light receiver. The light receiver overlaps the light emitting layer and has an uneven surface.

公开(公告)号：US12268067B2

公开(公告)日：2025-04-01

申请号：US17776215

申请日：2020-05-15

Applicant: Samsung Display Co., LTD.

Inventor： Young Dae Kim ,  Jin Seock Kim ,  Sang Jin Park

IPC: H01L33/00 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12 ,  H10K59/88

Abstract: A display device includes a substrate having a display area and a peripheral area, a pixel disposed on the substrate in the display area, the pixel including a pixel circuit, a pixel electrode electrically connected to the pixel circuit, an emission layer disposed on the pixel electrode, and an opposite electrode disposed on the emission layer, a power supply line disposed on the substrate in the peripheral area, the power supply line for supplying a power voltage to the pixel, an insulating layer covering the pixel circuit and the power supply line, the insulating layer including an opening exposing at least a portion of the power supply line, and a dummy pattern including a same material as the pixel electrode, the dummy pattern covering a sidewall of the power supply line exposed by the opening of the insulating layer.

公开(公告)号：US11621305B2

公开(公告)日：2023-04-04

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 ,  H01L33/58 ,  H01L51/52 ,  H01L25/075 ,  H01L33/50 ,  H01L33/20 ,  H01L25/16

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：US11063093B2

公开(公告)日：2021-07-13

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.