公开(公告)号：US20250098478A1

公开(公告)日：2025-03-20

申请号：US18790855

申请日：2024-07-31

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JUHYUN LEE ,  YUNG BIN CHUNG

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

Abstract: A display device includes a pixel defining film disposed on a circuit element layer, where a light-emitting opening is defined in the pixel defining film, a light-emitting element including a first electrode including an upper surface exposed through the light-emitting opening, where the first electrode at least partially overlaps the pixel defining film, a second electrode disposed on the first electrode. The display device includes a protective layer disposed between the first electrode and the pixel defining film. The first electrode includes a first sub-electrode including a reflective metal material, a second sub-electrode disposed on the first sub-electrode and including a transparent conductive oxide, and an intermediate layer disposed directly between the first sub-electrode and the second sub-electrode and including a tungsten oxide. The display device has high-resolution display quality and low driving voltage characteristics.

公开(公告)号：US20250024713A1

公开(公告)日：2025-01-16

申请号：US18770523

申请日：2024-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  SANGWOOK LEE ,  INSEOK LIM ,  YUNG BIN CHUNG

IPC: H10K59/122 ,  H10K50/155 ,  H10K59/131 ,  H10K59/80 ,  H10K102/00

Abstract: The present disclosure relates to a display panel and a method for manufacturing the same. The display panel according to one or more embodiments of the present disclosure may include a base layer, a pixel-defining film above the base layer, and defining an emission-opening portion, a partition wall including a first partition wall layer above the pixel-defining film, and including a lower partition wall layer including an insulation material, and an upper partition wall layer including a conductive material above the lower partition wall layer, and a second partition wall layer above the first partition wall layer and defining a partition-wall-opening portion overlapping the emission-opening portion, and a light-emitting element including an anode, an intermediate layer contacting the lower partition wall layer and spaced apart from the upper partition wall layer above the anode, and a cathode above the intermediate layer.

公开(公告)号：US20240365598A1

公开(公告)日：2024-10-31

申请号：US18621372

申请日：2024-03-29

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JUHYUN LEE

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

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/8792

Abstract: A display panel includes a base layer, a pixel defining film which is disposed on the base layer and in which a light-emitting opening is defined, a partition wall which is disposed on the pixel defining film and in which a partition wall opening corresponding to the light-emitting opening is defined, a low reflection layer disposed on the partition wall and including a light absorbing material, and a light-emitting element overlapping the partition wall opening and including an anode, an intermediate layer, and a cathode electrically connected to the partition wall.

公开(公告)号：US20240276780A1

公开(公告)日：2024-08-15

申请号：US18389557

申请日：2023-11-14

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  SUKYOUNG YANG

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display panel includes: a base layer; an anode disposed on the base layer; a pixel-definition layer defining a light emitting opening which exposes a portion of the anode and disposed on the base layer; a first partition wall defining a first partition-wall opening therein overlapping the light emitting opening in a plan view and disposed on the pixel-definition layer; a second partition wall defining a second partition-wall opening therein overlapping the first partition-wall opening in the plan view and disposed on the first partition wall; a cathode in contact with the first partition wall, and a light emitting pattern. The first partition wall includes a conductive material. The second partition wall includes a first upper layer including an inorganic material, and a second upper layer including a conductive material and disposed on the first upper layer.

公开(公告)号：US20240172523A1

公开(公告)日：2024-05-23

申请号：US18511184

申请日：2023-11-16

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  SUNGJOO KWON ,  JOONYONG PARK

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K59/35 ,  H10K59/88 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/80518 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/352 ,  H10K59/8731 ,  H10K59/88 ,  H10K71/621 ,  H10K2102/351

Abstract: A display panel includes a base layer, a lower electrode on the base layer, a protection pattern on the lower electrode, a pixel-defining film on the base layer to cover the protection pattern, a conductive partition wall on the pixel-defining film, a light-emitting pattern on the lower electrode to partially cover the pixel-defining film, and an upper electrode on the lower electrode. The protection pattern may include a first layer which includes molybdenum tantalum oxide (MoTaOx), and is disposed on the lower electrode, and a second layer which includes a transparent conductive oxide and is disposed on the first layer.

公开(公告)号：US20240099091A1

公开(公告)日：2024-03-21

申请号：US18314192

申请日：2023-05-09

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  JUHYUN LEE

IPC: H10K59/35 ,  H10K59/80 ,  H10K71/20

CPC classification number: H10K59/353 ,  H10K59/80517 ,  H10K71/231 ,  H10K2102/351

Abstract: A display device includes a first sub-pixel area and a second sub-pixel area, a first pixel electrode in the first sub-pixel area and including a sequentially stacked a first conductive layer including a metal material and a second conductive layer including tungsten oxide, a second pixel electrode in the second sub-pixel area and including a third conductive layer, the third conductive layer and the first conductive layer including a same material and a fourth conductive layer, the fourth conductive layer and the second conductive layer including a same material, a thickness compensation pattern on the second pixel electrode and including a sequentially stacked first thickness compensation layer including a first transparent conductive oxide and a sequentially stacked second thickness compensation layer including a second transparent conductive oxide, a first light emitting layer on the first pixel electrode, and a second light emitting layer on the thickness compensation pattern.

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：US20220302220A1

公开(公告)日：2022-09-22

申请号：US17455199

申请日：2021-11-16

Applicant: Samsung Display Co., Ltd.

Inventor： GYUNGMIN BAEK ,  HYUNEOK SHIN

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a substrate including a module-corresponding area including a sub-pixel area, and a transparent area, a display area surrounding a part of the module-corresponding area and including a sub-pixel area, and a pixel circuit area at one side of the display area, a signal wire in the module-corresponding area, and extending from the module-corresponding area to the pixel circuit area, an insulating layer on the signal wire, a lower electrode connected to the signal wire through a contact hole in the insulating layer, the lower electrode including a low reflection layer in the sub-pixel area, and on the insulating layer, a high refraction layer on the low reflection layer, a first metal layer on the high refraction layer, and a second metal layer on the first metal layer, a light emitting layer on the lower electrode, an upper electrode on the light emitting layer, and a functional module in the module-corresponding area on a bottom surface of the substrate.

公开(公告)号：US20210318564A1

公开(公告)日：2021-10-14

申请号：US17105360

申请日：2020-11-25

Applicant: Samsung Display Co., Ltd.

Inventor： GYUNGMIN BAEK ,  HYUNEOK SHIN ,  JUHYUN LEE

IPC: G02F1/1368 ,  G02F1/1362 ,  H01L27/12

Abstract: A display device includes a base layer, a pixel disposed on the base layer and including a thin film transistor, and a signal line connected to the pixel. The signal line includes a metal layer and a capping layer disposed on the metal layer, including molybdenum and tantalum. The metal layer has a first light reflectance, and the capping layer has a second light reflectance that is lower than the first light reflectance of the metal layer. The capping layer includes a tip protruding from a sidewall of the metal layer, and the tip protrudes more than a contact point at which the sidewall of the metal layer contacts with the base layer when viewed in a plane. The display device has an improved external light reflection characteristic and an enhanced display quality.

公开(公告)号：US20250127017A1

公开(公告)日：2025-04-17

申请号：US18808480

申请日：2024-08-19

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN

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

Abstract: A display panel includes a base layer, a pixel definition layer disposed on the base layer and having a light emitting opening defined therethrough, a barrier wall disposed on the pixel definition layer, having a conductivity, and provided with a barrier wall opening defined therethrough and corresponding to the light emitting opening, a light emitting element disposed in the light emitting opening and including an anode, an intermediate layer disposed on the anode, an electron control layer disposed on the intermediate layer, and a cathode disposed on the electron control layer and connected to the barrier wall, a first pattern spaced apart from the electron control layer, being in contact with an upper surface of the barrier wall, and including a same material as the electron control layer, and a second pattern spaced apart from the cathode, disposed on the first pattern, and including a same material as the cathode.