公开(公告)号：US20240099108A1

公开(公告)日：2024-03-21

申请号：US18307458

申请日：2023-04-26

Applicant: Samsung Display Co., LTD.

Inventor： Hyo Young MUN ,  Young Ji KIM ,  Yong Seung PARK ,  Yi Seul UM ,  So Young LEE

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/124

CPC classification number: H10K59/8731 ,  H10K59/1201 ,  H10K59/124

Abstract: A display device includes a substrate including a first surface, a second surface opposite to the first surface, a lateral side meeting the first surface, and an inclined surface between the lateral side and the second surface, a light-emitting element layer above the first surface of the substrate, dams surrounding the light-emitting element layer in plan view, an encapsulating layer covering the light-emitting element layer and the dams, and an organic planarization layer above the encapsulating layer, covering the encapsulating layer and the dams, extending to be adjacent to an edge of the substrate, and having a lateral side that forms an inclination, and that is spaced inwardly from the lateral side of the substrate, wherein a distance between the lateral side of the organic planarization layer and the lateral side of the substrate is less than a planar width of the inclined surface of the substrate.

公开(公告)号：US20230352640A1

公开(公告)日：2023-11-02

申请号：US18022402

申请日：2021-08-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chul Jong YOO ,  Dong Eon LEE ,  Myeong Hee KIM ,  Hoo Keun PARK ,  Byung Ju LEE ,  So Young LEE ,  Seung Geun LEE ,  Seung A LEE ,  Jong Won LEE ,  Ji Hyun HAM

IPC: H01L33/60 ,  H01L25/16

CPC classification number: H01L33/60 ,  H01L25/167

Abstract: A includes a substrate including a plurality of pixels, a plurality of transistors disposed on the substrate, a passivation layer overlapping the plurality of transistors, a first electrode and a second electrode disposed on the passivation layer and spaced apart from each other, an insulating layer disposed on the first electrode and the second electrode, a plurality of light emitting elements disposed between the first electrode and the second electrode on the insulating layer and electrically connected to the first electrode and the second electrode, and an insulating reflective layer disposed between the passivation layer and the plurality of light emitting elements.

公开(公告)号：US20220173277A1

公开(公告)日：2022-06-02

申请号：US17389127

申请日：2021-07-29

Applicant: Samsung Display Co., LTD.

Inventor： So Young LEE ,  Dong Uk KIM ,  Chul Jong YOO ,  Se Young KIM

IPC: H01L33/44 ,  H01L33/20 ,  H01L25/075 ,  H01L33/00 ,  H01L25/16

Abstract: A display device, a light-emitting element, and a method of manufacturing a light-emitting element are provided. A display device includes: a first electrode and a second electrode spaced apart from each other; and light-emitting elements between the first electrode and the second electrode, and each of the light-emitting elements includes a first area having a first diameter, a second area having a second diameter greater than the first diameter, a first insulating film surrounding the first area, and a second insulating film on the first insulating film, and the second insulating film surrounds the second area exposed by the first insulating film.

公开(公告)号：US20190088904A1

公开(公告)日：2019-03-21

申请号：US16042731

申请日：2018-07-23

Applicant: Samsung Display Co. Ltd.

Inventor： Sang Hwan CHO ,  Chung Sock CHOI ,  Hyun Ho KIM ,  So Young LEE ,  Cheol JANG ,  Sun Young JUNG

IPC: H01L51/52 ,  G09G3/3208 ,  G09G3/00 ,  G02B27/42 ,  H01L27/32

Abstract: A display device comprising: a substrate; a plurality of display elements disposed on the substrate; and a diffraction pattern layer disposed on a path of light emitted from the plurality of display elements. The diffraction pattern layer comprises a plurality of diffraction patterns which is disposed with a predetermined pitch, and the plurality of diffraction patterns do not overlap the plurality of display elements; and when a width of a cross section of each of the plurality of diffraction patterns is defined as a length of each diffraction pattern, the predetermined pitch and the length of each diffraction pattern satisfy the following inequation: 0.4≤d1/DP1

公开(公告)号：US20180350883A1

公开(公告)日：2018-12-06

申请号：US15981837

申请日：2018-05-16

Applicant: Samsung Display Co., Ltd.

Inventor： So Young LEE ,  Sun Mi Kang ,  Hyun Ho Kim ,  Cheol Jang ,  Sun Young Jung ,  Sang Hwan Cho ,  Chung Sock Choi ,  Sang Hyun Han

IPC: H01L27/32 ,  G06F3/041 ,  G06F3/044 ,  H01L51/52 ,  G02B1/11 ,  G02B27/42

Abstract: A display device, including: a substrate; a first light-emitting element disposed on the substrate; an encapsulation layer disposed on the first light-emitting element; an input sensing layer disposed on the encapsulation layer; and a diffraction pattern layer disposed on the input sensing layer. The diffraction pattern layer may include a plurality of diffraction patterns arranged to have a first period in one direction.

公开(公告)号：US20240379728A1

公开(公告)日：2024-11-14

申请号：US18536838

申请日：2023-12-12

Applicant: Samsung Display Co., LTD.

Inventor： Seung A LEE ,  Bong Chun PARK ,  Kwan Jae LEE ,  Dong Eon LEE ,  So Young LEE

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/32 ,  H01L33/44 ,  H01L33/50

Abstract: A display device includes a first electrode and a second electrode, spaced apart from each other, and light emitting elements disposed between the first electrode and the second electrode. Each of the light emitting elements includes a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer. A thickness of the active layer is in a range of about 1 nm to about 2.8 nm, the active layer includes InGa1-xN (about 0.18≤x≤about 0.20). The light emitting elements emit light with a wavelength in a range of about 462 nm to about 472 nm in a current density in a range of about 0.5 A/cm2 to about 100 A/cm2.

公开(公告)号：US20240162373A1

公开(公告)日：2024-05-16

申请号：US18362414

申请日：2023-07-31

Applicant: Samsung Display Co., LTD.

Inventor： Kwan Jae LEE ,  Bong Chun PARK ,  Dong Eon LEE ,  So Young LEE ,  Seung A LEE

IPC: H01L33/06 ,  H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/32 ,  H01L33/44

CPC classification number: H01L33/06 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/24 ,  H01L33/32 ,  H01L33/44 ,  H01L2933/0025

Abstract: A light emitting element includes: a first semiconductor layer; an active layer provided on the first semiconductor layer; a second semiconductor layer provided on the active layer; and an insulative film around at least a portion of the first semiconductor layer, the active layer, and the second semiconductor layer, which are sequentially provided in a first direction. The active layer may include a first barrier layer, a first well layer, and a second barrier layer, which are sequentially provided in the first direction, and the first well layer may include first holes penetrating the first well layer.

公开(公告)号：US20240096273A1

公开(公告)日：2024-03-21

申请号：US18351312

申请日：2023-07-12

Applicant: Samsung Display Co., LTD.

Inventor： Wan Jung KIM ,  Dae Sang YUN ,  Kyung Ah NAM ,  Hyo Young MUN ,  Yong Seung PARK ,  Yi Seul UM ,  So Young LEE ,  Young Hoon LEE

IPC: G09G3/3208

CPC classification number: G09G3/3208

Abstract: A display device includes: a substrate including a display area and a non-display area surrounding the display area; a light emitting element layer on the display area on the substrate and including a plurality of light emitting elements; and an encapsulating layer on the light emitting element layer and on a portion of the display area and the non-display area; and wherein the substrate comprises an upper surface on which the light emitting element layer is located, a bottom surface opposite to the upper surface, a side surface connected to the upper surface and not parallel to the upper surface, and a first inclined surface connected to the side surface and the bottom surface and not parallel to the side surface and the bottom surface, wherein an edge area of the upper surface of the substrate adjacent to an edge of the substrate, in which a processing trace remains.

公开(公告)号：US20220190025A1

公开(公告)日：2022-06-16

申请号：US17401713

申请日：2021-08-13

Applicant: Samsung Display Co., LTD.

Inventor： Chul Jong YOO ,  Dong Uk KIM ,  Se Young KIM ,  So Young LEE ,  Hyung Rae CHA

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/14 ,  H01L33/24 ,  H01L33/32 ,  H01L33/36 ,  H01L33/44

Abstract: A light emitting diode includes a first end and a second end facing each other, a current blocking layer, a first semiconductor layer, an active layer, a second semiconductor layer, and an insulating film surrounding outer circumferential surfaces of the first semiconductor layer, the active layer, and the second semiconductor layer and exposing at least a portion of the current blocking layer and at least a portion of the first semiconductor layer at the second end. The current blocking layer, the first semiconductor layer, the active layer, and the second semiconductor layer are sequentially disposed in a direction from the second end to the first end.

公开(公告)号：US20250035934A1

公开(公告)日：2025-01-30

申请号：US18914730

申请日：2024-10-14

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Hwan CHO ,  So Young LEE ,  Sun Young JUNG ,  Chung Sock CHOI ,  Sun Mi KANG ,  Hyun Ho KIM ,  Cheol JANG ,  Sang Hyun HAN

IPC: G02B27/01 ,  H10K50/11 ,  H10K50/844 ,  H10K50/85 ,  H10K77/10

Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4 ≤ d ⁢ 1 / DP ⁢ 1 ≤ 1 , ( 1 ) where DP1 is the first period, and d1 is the first length.