公开(公告)号：US12094920B2

公开(公告)日：2024-09-17

申请号：US18186917

申请日：2023-03-20

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 ,  G09G3/32 ,  H01L33/06 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/06 ,  H01L33/387 ,  H01L33/62 ,  G09G2310/0278

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：US12032403B2

公开(公告)日：2024-07-09

申请号：US17814141

申请日：2022-07-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Chang Kim ,  Tae Hoon Yang

IPC: G06F1/16

CPC classification number: G06F1/1624 ,  G06F1/1656

Abstract: A display device includes a display panel including a first active area, a second active area configured to slide in the first direction, a third active area configured to slide in the first direction, a first dummy area, and a second dummy area. A plurality of joints extend in a second direction intersecting the first direction, are spaced apart from each other in the first direction, are attached to a bottom surface of the display panel, and overlap the second active area, the third active area, the first dummy area, and the second dummy area. A first fixing tool and a second fixing tool are disposed on the first and second dummy area of the display panel, respectively, and are configured to assist a sliding behavior of the display panel.

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：US11770893B2

公开(公告)日：2023-09-26

申请号：US16917416

申请日：2020-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Seung Min Song ,  Ki Nyeng Kang ,  Seon Beom Ji ,  Tae Hoon Yang

IPC: H05K1/02 ,  H05K5/00 ,  H10K50/844 ,  H10K77/10

CPC classification number: H05K1/0277 ,  H05K5/0017 ,  H10K50/844 ,  H10K77/111 ,  H05K2201/055

Abstract: A display device includes: a display panel including a bending area; and a first passivation film and a second passivation film disposed on a first surface of the display panel to be spaced apart from each other. The second passivation film includes a first flat portion and a first stepped portion overlapping the bending area, and a thickness of the first stepped portion is less than a thickness of the first flat portion.

公开(公告)号：US11636788B2

公开(公告)日：2023-04-25

申请号：US17116206

申请日：2020-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Nyeng Kang ,  Min Joo Kim ,  Tae Hoon Yang ,  Sang Hoon Lee ,  Seon Beom Ji

IPC: G09G3/00 ,  G09G3/32

Abstract: A display device inspection method includes: checking connection failures of light emitting elements included in a pixel and connected in series based on a first control signal, a second control signal, and a voltage of an initialization power source, wherein the pixel comprises: a pixel circuit controlling a current flowing from a first power source to a second node in response to a voltage of a first node; a first light emitting element connected to the second node; a first transistor controlling the voltage of the initialization power source supplied to the second node; a second light emitting element electrically connected between the first light emitting element and a second power source; and a second transistor having a first electrode connected to a third node between the first light emitting element and the second light emitting element, and a gate electrode connected to a first inspection control line.

公开(公告)号：US11600805B2

公开(公告)日：2023-03-07

申请号：US17678576

申请日：2022-02-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Ho Kim ,  Sun Hee Lee ,  Gun Hee Kim ,  Tae Hoon Yang ,  Seung Chan Lee ,  Joo Hee Jeon

IPC: H01L51/52 ,  H01L27/32 ,  H04N5/225 ,  G06F3/041 ,  G06F3/044

Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.

公开(公告)号：US11574986B2

公开(公告)日：2023-02-07

申请号：US17138771

申请日：2020-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Sun Ho Kim ,  Gun Hee Kim ,  Dong Hwan Shim ,  Tae Hoon Yang ,  Sun Hee Lee

IPC: H01L27/32

Abstract: A display device includes a display area which includes a first display area including a plurality of first pixels and a second display area including at least one second pixel and at least one light-transmitting portion, a peripheral area disposed around the display area, a data line including a first portion and a second portion spaced apart from each other in a predetermined direction with the light-transmitting portion therebetween, and a conductive pattern disposed at a different conductive layer from the data line. The conductive pattern includes a first pattern portion including a bypass portion that bypasses a periphery of the second display area in a plan view and disposed in the first display area, and the first pattern portion includes a first end electrically connected to the first portion of the data line and a second end electrically connected to the second portion of the data line.

公开(公告)号：US11502155B2

公开(公告)日：2022-11-15

申请号：US17004802

申请日：2020-08-27

Applicant: Samsung Display Co., LTD.

Inventor： Sang Hoon Lee ,  Ki Nyeng Kang ,  Tae Woo Kim ,  Tae Hoon Yang ,  Seon Beom Ji ,  Jong Hyun Choi

IPC: H01L27/32 ,  H01L27/14 ,  H01L51/52 ,  H01L51/50 ,  G02F1/13 ,  G02F1/1335 ,  G02F1/1333 ,  H01L27/146 ,  G02F1/1362

Abstract: A display device includes a substrate including an opening area in a display area and a non-display area between the display area and the opening area; signal wires disposed in the non-display area to bypass the opening area, and at least one groove disposed between the signal wires.

公开(公告)号：US11469274B2

公开(公告)日：2022-10-11

申请号：US16927369

申请日：2020-07-13

Applicant: Samsung Display Co., LTD.

Inventor： Woong Hee Jeong ,  Ki Bum Kim ,  Jin Yeong Kim ,  Hyang A Park ,  Tae Hoon Yang ,  Jong Chan Lee

IPC: H01L27/32 ,  H01L51/52 ,  G02F1/13 ,  G02F1/1335 ,  G02F1/1362

Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.

公开(公告)号：US11302900B2

公开(公告)日：2022-04-12

申请号：US17122405

申请日：2020-12-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Ho Kim ,  Sun Hee Lee ,  Gun Hee Kim ,  Tae Hoon Yang ,  Seung Chan Lee ,  Joo Hee Jeon

IPC: H01L51/52 ,  H01L27/32 ,  G06F3/041 ,  H04N5/225 ,  G06F3/044

Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.