公开(公告)号：US11785824B2

公开(公告)日：2023-10-10

申请号：US17148321

申请日：2021-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Woo Lee ,  Sang Ho Park ,  Tae Hoon Yang ,  Jin Yeong Kim ,  Jin Taek Kim ,  Soo Hyun Moon ,  Mi Jin Park

IPC: H01L25/075 ,  H10K59/38 ,  H10K50/813 ,  H10K50/822 ,  H10K50/844 ,  H10K59/124 ,  H10K71/00

CPC classification number: H10K59/38 ,  H10K50/813 ,  H10K50/822 ,  H10K50/844 ,  H10K59/124 ,  H10K71/00

Abstract: A display device includes a first substrate including a plurality of unit light emitting areas; a first electrode and a second electrode in each of the unit light emitting areas of the first substrate; a first insulation layer exposing one region of each of the first electrode and the second electrode; a light emitting element on the first insulation layer and having a first end and a second end in a length direction; light conversion patterns adjacent to the light emitting element, covering a portion of an upper surface of the light emitting element, and exposing the first and second ends of the light emitting element; a first contact electrode on the first electrode and connecting the one region of the exposed first electrode and the first end of the light emitting element; and a second contact electrode on the second electrode.

公开(公告)号：US20220102422A1

公开(公告)日：2022-03-31

申请号：US17449114

申请日：2021-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook Lee ,  Kyung Tae Chae ,  Ki Bum Kim ,  Jin Taek Kim

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/44 ,  H01L33/38 ,  H01L33/42 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60

Abstract: A display device according to one embodiment of the present disclosure includes: a base layer including a display area; a circuit layer including a conductive pattern in a pixel area of the display area; a first insulating film on the circuit layer, the first insulating film being opened in a contact portion on the conductive pattern; a reflective film on the first insulating film and including a first opening that corresponds to the contact portion; a second insulating film on the reflective film and including a second opening overlapping the first opening; and a display layer on the second insulating film, connected to the conductive pattern through the contact portion, and including a first electrode, a second electrode, and a light-emitting element overlapping the reflective film, wherein, in the contact portion, the reflective film has a wider opening than the second insulating film.

公开(公告)号：US10741632B2

公开(公告)日：2020-08-11

申请号：US16236747

申请日：2018-12-31

Applicant: Samsung Display Co., Ltd.

Inventor： Pil Suk Lee ,  Jin Taek Kim ,  Ki Wan Ahn

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device including a first signal line disposed on a substrate, a first insulating layer disposed on the first signal line, and a second signal line disposed on the first insulating layer and crossing the first signal line, in which the first insulating layer includes a recess portion providing a surface height lower than other areas of the first insulating layer, and the first signal line and the second signal line overlap each other with the recess portion therebetween.

公开(公告)号：US11996497B2

公开(公告)日：2024-05-28

申请号：US17156253

申请日：2021-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook Lee ,  Ki Bum Kim ,  Jin Taek Kim ,  Seung Min Lee ,  Kwang Taek Hong ,  Jung Eun Hong

IPC: H01L33/38 ,  H01L27/15

CPC classification number: H01L33/387 ,  H01L27/156

Abstract: A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.

公开(公告)号：US11894412B2

公开(公告)日：2024-02-06

申请号：US17097932

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Ho Park ,  Sung Hoon Kim ,  Jin Yeong Kim ,  Jin Taek Kim ,  Tae Hoon Yang ,  Sung Jin Lee

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/40 ,  H01L33/62 ,  H01L25/075 ,  H01L33/36

CPC classification number: H01L27/156 ,  H01L25/0753 ,  H01L33/38 ,  H01L33/405 ,  H01L33/62 ,  H01L33/36

Abstract: A display device includes a substrate having an emission area and a non-emission area, a first electrode and a second electrode spaced from each other on the substrate in the emission area, a first insulating layer on the substrate in the emission area and the non-emission area and covering at least a portion of the first electrode and the second electrode, a light-emitting element between the first electrode and the second electrode, a first contact electrode on the first electrode and in contact with one end portion of the light-emitting element, and a second contact electrode on the second electrode and in contact with the other end portion of the light-emitting element, a first active material layer on the first insulating layer in the non-emission area and electrically connected to the first contact electrode, and a gate insulating layer on the first active material layer.

公开(公告)号：US11798915B2

公开(公告)日：2023-10-24

申请号：US17819300

申请日：2022-08-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Jin Lee ,  Jin Yeong Kim ,  Jin Taek Kim ,  Soo Hyun Moon ,  Tae Hoon Yang ,  Seung Min Lee

IPC: H01L25/16 ,  H01L27/14 ,  H01L27/32 ,  H01L23/00 ,  H01L27/12

CPC classification number: H01L24/97 ,  H01L24/24 ,  H01L24/82 ,  H01L25/167 ,  H01L27/1259 ,  H01L2224/24147 ,  H01L2224/95101 ,  H01L2224/95133

Abstract: Provided is a display device including a substrate including a display area including a plurality of pixel areas, and a non-display area outside the display area, a pixel circuit layer including a plurality of circuit elements in the display area, a display element layer including a plurality of light-emitting elements in the display area on the pixel circuit layer, and first and second alignment lines on the substrate, and each including a main line at the same layer as at least one electrode on the display element layer, and a sub line electrically connected to the main line and at the same layer as at least one electrode on the pixel circuit layer, wherein the first alignment line and the second alignment line do not include the main line in the non-display area, and include the sub line to be spaced apart from one edge of the substrate.

公开(公告)号：US11610938B2

公开(公告)日：2023-03-21

申请号：US17023068

申请日：2020-09-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek Kim ,  Jin Yeong Kim ,  Soo Hyun Moon ,  Sang Ho Park ,  Seung Min Lee ,  Jin Woo Lee ,  Tae Hoon Yang

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/06 ,  G09G3/32 ,  H01L33/38

Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.

公开(公告)号：US11552215B2

公开(公告)日：2023-01-10

申请号：US16937255

申请日：2020-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jin Lee ,  Jin Yeong Kim ,  Jin Taek Kim ,  Mi Jin Park ,  Sang Ho Park ,  Tae Hoon Yang

IPC: H01L33/00 ,  H01L31/12 ,  H01L29/26 ,  H01L27/15 ,  H01L25/075 ,  H01L33/40 ,  H01L33/42

Abstract: A method of manufacturing a display device includes: forming a first electrode on a substrate; forming an insulating layer on the substrate and on the first electrode; providing light emitting elements in the insulating layer, each of the light emitting elements having a long axis and a short axis crossing the long axis and being configured to emit light; aligning the light emitting elements such that one end of each of the light emitting elements faces the substrate and the long axis of each of the light emitting elements is arranged in a direction from the substrate toward the insulating layer; patterning the insulating layer to form an insulating pattern exposing another end of each of the light emitting elements; and forming a second electrode electrically connected to the exposed other end of each of the light emitting elements.

公开(公告)号：US11437345B2

公开(公告)日：2022-09-06

申请号：US16996714

申请日：2020-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jin Lee ,  Jin Yeong Kim ,  Jin Taek Kim ,  Soo Hyun Moon ,  Tae Hoon Yang ,  Seung Min Lee

IPC: H01L27/32 ,  H01L23/00 ,  H01L25/16 ,  H01L27/12

Abstract: Provided is a display device including a substrate including a display area including a plurality of pixel areas, and a non-display area outside the display area, a pixel circuit layer including a plurality of circuit elements in the display area, a display element layer including a plurality of light-emitting elements in the display area on the pixel circuit layer, and first and second alignment lines on the substrate, and each including a main line at the same layer as at least one electrode on the display element layer, and a sub line electrically connected to the main line and at the same layer as at least one electrode on the pixel circuit layer, wherein the first alignment line and the second alignment line do not include the main line in the non-display area, and include the sub line to be spaced apart from one edge of the substrate.

公开(公告)号：US20210296537A1

公开(公告)日：2021-09-23

申请号：US17098117

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Min Lee ,  Jin Taek Kim ,  Baek Hyeon Lim ,  Jin Yeong Kim ,  Kyung Tae Chae ,  Jung Hwan Yi ,  Hee Keun Lee

IPC: H01L33/38 ,  H01L33/54 ,  H01L33/00

Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.