公开(公告)号：US11696479B2

公开(公告)日：2023-07-04

申请号：US17447280

申请日：2021-09-09

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 ,  G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  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：US11693502B2

公开(公告)日：2023-07-04

申请号：US17836360

申请日：2022-06-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyeon Bum Lee ,  Chi Wook An

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/04164 ,  G06F3/0446 ,  G06F2203/04107

Abstract: A display device including: a display panel including first and second pixels a substrate; and a touch sensor on the display panel, wherein the touch sensor includes: sensor patterns on the display panel; bridge patterns connected to the sensor patterns; a first light blocking pattern on the sensor patterns, wherein the first light blocking pattern is provided for each of the first pixels, the first light blocking pattern including a first opening corresponding to an emission area of each of the first pixels; and a second light blocking pattern located under the first light blocking pattern, wherein the second light blocking pattern is provided for each of the first pixels, the second light blocking pattern including a second opening to correspond to the emission area of each of the first pixels, and wherein the first and second light blocking patterns have the same planar shape.

公开(公告)号：US20230066997A1

公开(公告)日：2023-03-02

申请号：US17836360

申请日：2022-06-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyeon Bum Lee ,  Chi Wook An

IPC: G06F3/041

Abstract: A display device including: a display panel including first and second pixels a substrate; and a touch sensor on the display panel, wherein the touch sensor includes: sensor patterns on the display panel; bridge patterns connected to the sensor patterns; a first light blocking pattern on the sensor patterns, wherein the first light blocking pattern is provided for each of the first pixels the first light blocking pattern including a first opening corresponding to an emission area of each of the first pixels; and a second light blocking pattern located under the first light blocking pattern, wherein the second light blocking pattern is provided for each of the first pixels, the second light blocking pattern including a second opening to correspond to the emission area of each of the first pixels, and wherein the first and second light blocking patterns have the same planar shape.

公开(公告)号：US11183553B2

公开(公告)日：2021-11-23

申请号：US16175730

申请日：2018-10-30

Applicant: Samsung Display Co., Ltd.

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

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

Abstract: An organic light-emitting display device including: a substrate; a pixel electrode on the substrate; a pixel defining film on the pixel electrode and having a first opening at least partially exposing the pixel electrode; an organic light-emitting layer on the exposed portion of the pixel electrode; a common electrode on the organic light-emitting layer and the pixel defining film; an encapsulation layer on the common electrode; a black matrix on the encapsulation layer and having a second opening overlapping the first opening; and a plurality of first sensing lines on the black matrix and surrounding the pixel electrode in a plan view to define a pixel region. At least portions of the first sensing lines defining the pixel region do not overlap the common electrode in the pixel region to reduce the common electrode's influence on the touch sensing lines and improve touch sensitivity.

公开(公告)号：US11069752B2

公开(公告)日：2021-07-20

申请号：US16749437

申请日：2020-01-22

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum Lee

IPC: G09G3/30 ,  H01L27/32 ,  H01L51/50 ,  G06F3/041

Abstract: A display device and a manufacturing method which minimize a difference in touch sensitivity between regions of a display device are disclosed. The display includes a display area, a color filter area disposed over the display area, and a touch area disposed between the display area and the color filter area. The display area includes a substrate, an insulating layer disposed over the substrate, first and second electrodes, partition walls disposed between the insulating layer and the second electrode, an emission layer disposed in an opening formed by the first and second electrodes and adjacent partition walls, and a spacer disposed on at least one of the partition walls. The color filter area includes a first light blocking member disposed at a region overlapping the spacer and including at least two color filters stacked on each other.

公开(公告)号：US10782813B2

公开(公告)日：2020-09-22

申请号：US16259747

申请日：2019-01-28

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  G02F1/1335

Abstract: A display device may include: a substrate including an emission region and a non-emission region; at least one transistor disposed on the substrate; a display element layer including a light emitting element disposed to correspond to the emission region and a spacer disposed to correspond to the non-emission region; and a touch sensor disposed on the display element layer. The touch sensor may include a base layer including a sensing region and a non-sensing region, a plurality of touch electrodes provided in the sensing region, and an insulating pattern disposed to correspond to the spacer. The insulating pattern and the spacer may have the same thickness. Some of the touch electrodes may be disposed on the insulating pattern.

公开(公告)号：US10672848B2

公开(公告)日：2020-06-02

申请号：US15629894

申请日：2017-06-22

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 planarization layer on the source electrode and the drain electrode, a second planarization layer on the first planarization layer, and a first electrode on the second planarization layer. A step difference between a top of the first planarization layer and a top of the drain electrode is 100 Å or less.