公开(公告)号：US11925091B2

公开(公告)日：2024-03-05

申请号：US17147971

申请日：2021-01-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum Lee ,  Choong Youl Im ,  Ha Seok Jeon

IPC: H10K59/38 ,  G06F3/041 ,  H10K50/86 ,  H10K59/124 ,  H10K59/131 ,  H10K59/40 ,  H10K71/00 ,  G06F3/044 ,  H10K59/12 ,  H10K59/35

CPC classification number: H10K59/38 ,  G06F3/0412 ,  H10K50/865 ,  H10K59/124 ,  H10K59/131 ,  H10K59/40 ,  H10K71/00 ,  G06F3/0443 ,  G06F3/0446 ,  G06F2203/04103 ,  G06F2203/04111 ,  H10K59/1201 ,  H10K59/35

Abstract: A light emitting display device includes a substrate including a display area and a non-display area adjacent to the display area, a lower pad electrode disposed on the substrate in the non-display area, a lower planarization layer disposed on the lower pad electrode and including a via hole exposing an upper surface of the lower pad electrode, an upper pad electrode disposed on the lower pad electrode, the upper pad electrode being electrically connected to the lower pad electrode through the via hole, and a covering layer in contact with a side surface portion of the upper pad electrode, the side surface portion of the upper pad electrode being disposed on the lower planarization layer.

公开(公告)号：US11502142B2

公开(公告)日：2022-11-15

申请号：US17321180

申请日：2021-05-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Bum Lee

IPC: G09G5/00 ,  H01L27/32 ,  H01L51/52

Abstract: A display device includes a substrate; a transistor on the substrate; a first electrode electrically connected to the transistor; a pixel defining layer on the first electrode, the pixel defining layer including a pixel opening overlapping the first electrode; an emission layer and a second electrode overlapping the first electrode; a touch electrode on the second electrode; a first low refraction layer and a second low refraction layer overlapping the touch electrode; and a high refraction layer on the second low refraction layer. The first low refraction layer includes a first opening. The second low refraction layer includes a second opening. The first opening, the second opening, and the pixel opening have different widths in a first diagonal direction.

公开(公告)号：US10985229B2

公开(公告)日：2021-04-20

申请号：US16887420

申请日：2020-05-29

Applicant: Samsung Display Co. Ltd.

Inventor： Hyeon Bum Lee ,  Hyoeng Ki Kim ,  Kyong Heon Lee ,  Dong Ki Lee ,  Eon Joo Lee ,  Jin Whan Jung

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

Abstract: A display device including a substrate, a source electrode and a drain electrode on the substrate, the source electrode and the drain electrode being spaced apart from each other, a first layer on the source electrode or the drain electrode, a second layer directly on the first layer, and a first electrode on the second layer. A step difference between a top of the first layer and a top of the drain electrode is 100 Å or less.

公开(公告)号：US10916592B2

公开(公告)日：2021-02-09

申请号：US16402307

申请日：2019-05-03

Applicant: Samsung Display Co., Ltd.

Inventor： Eon Joo Lee ,  Hyoeng Ki Kim ,  Jun Hyuk Woo ,  Kwang Woo Park ,  Hyeon Bum Lee ,  Jin Whan Jung

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

Abstract: An organic light-emitting diode display device includes a substrate having a plurality of pixels; first electrodes disposed on the substrate, each of which is connected to a respective one of the pixels; organic emissive layers disposed on the first electrodes; a second electrode disposed on the organic emissive layers; a touch sensing unit disposed on the second electrode; and color filters disposed on the touch sensing unit, each of which is disposed above a respective one of the pixels.

公开(公告)号：US12219854B2

公开(公告)日：2025-02-04

申请号：US17865071

申请日：2022-07-14

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum Lee

IPC: H10K59/40 ,  H05K1/18 ,  H10K50/84 ,  H10K50/856 ,  H10K50/86

Abstract: A display device according to an embodiment includes a light emitting element disposed on a substrate, and including a first electrode, an emission layer, and a second electrode; a low-reflective layer disposed on the light emitting element, and including an inorganic material; an encapsulation layer positioned on the low-reflective layer; a reflection adjustment layer positioned on the encapsulation layer; a capping layer positioned on the reflection adjustment layer; and an overcoat layer positioned on the capping layer.

公开(公告)号：US12048222B2

公开(公告)日：2024-07-23

申请号：US18201088

申请日：2023-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Bum Lee ,  Jin Ho Ju

IPC: H10K59/38 ,  G06F3/041 ,  G06F3/044 ,  H10K59/12 ,  H10K59/40 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K59/38 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  H10K59/12 ,  H10K59/40 ,  H10K77/111 ,  H10K2102/00 ,  H10K2102/311

Abstract: An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the color filter is greater in the edge area than in the center area.

公开(公告)号：US11925094B2

公开(公告)日：2024-03-05

申请号：US17444453

申请日：2021-08-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Bum Lee ,  Won Hak Choi ,  Kang Wook Heo

IPC: G06F3/041 ,  G06F3/044 ,  H10K50/842 ,  H10K50/86 ,  H10K59/38 ,  H10K59/40

CPC classification number: H10K59/40 ,  G06F3/0412 ,  G06F3/0443 ,  H10K50/8426 ,  H10K50/865 ,  H10K59/38

Abstract: Some embodiments provide a display device including a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area, a transistor and a light emitting element on the substrate, an encapsulation layer on the light emitting element, a first touch insulating layer on the encapsulation layer, an overcoat layer on the first touch insulating layer, and defining a first opening, and a cover layer filling the first opening, wherein at least one of the overcoat layer and the cover layer extends from the display area to the peripheral area, and wherein the substrate includes a depression pattern that is filled by the overcoat layer or the cover layer.

公开(公告)号：US11271054B2

公开(公告)日：2022-03-08

申请号：US16384806

申请日：2019-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Bum Lee ,  Hyoeng Ki Kim ,  Jun Hyuk Woo ,  Kwang Woo Park

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  G06F3/041 ,  G06F3/044

Abstract: An organic light emitting display device including a base layer; an insulating layer disposed on the base layer and including a flat region having a flat surface and a lens region having a concave or convex surface; a dam disposed on the insulating layer and defining an opening exposing the lens region; and a color filter disposed on the lens region of the insulating layer and filling the opening, The dam includes a sensing electrode.

公开(公告)号：US10476038B2

公开(公告)日：2019-11-12

申请号：US15955422

申请日：2018-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Woo Park ,  Jeong Won Kim ,  Hyeon Bum Lee ,  Jin-Whan Jung ,  Jin Ho Ju

IPC: H01L51/52 ,  H01L27/32 ,  G06F3/041 ,  G06F3/044

Abstract: A display device may include a switching composite layer, a first electrode, a pixel defining layer, an emission layer, a second electrode, an encapsulation layer, a light blocking layer, and a touch sensor. The first electrode is positioned on the switching composite layer. The pixel defining layer covers an edge of the first electrode and has a first opening and a second opening that are spaced from each other. The emission layer is positioned inside the first opening. The second electrode covers the switching composite layer, the pixel defining layer, and the emission layer. The encapsulation layer covers the second electrode. The light blocking layer is positioned on the encapsulation layer. The touch sensor is positioned on the light blocking layer and includes a sensing electrode set. A material portion is positioned inside the second opening of the pixel defining layer and overlaps the sensing electrode set.

公开(公告)号：US12224291B2

公开(公告)日：2025-02-11

申请号：US18485802

申请日：2023-10-12

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum Lee

IPC: H01L27/12 ,  G06F3/041

Abstract: A display device may include a source electrode disposed on a substrate; a drain electrode disposed on the substrate; an insulating layer disposed on the source electrode and the drain electrode, the insulating layer including an opening overlapping the drain electrode; and a first electrode disposed on the insulating layer and electrically contacting the drain electrode in the opening of the insulating layer, wherein an angle between a side surface of the opening of the insulating layer and a plane parallel to the substrate is in a range of about 70 degrees to about 85 degrees.