公开(公告)号：US11856821B2

公开(公告)日：2023-12-26

申请号：US18117637

申请日：2023-03-06

Applicant: Samsung Display Co., LTD.

Inventor： Min Joo Kim ,  Sun Ho Kim ,  Seung-Hwan Cho ,  Tae Woo Kim ,  Tae Hoon Yang ,  Jong Hyun Choi

IPC: G09G3/3233 ,  H10K59/123 ,  H10K59/40 ,  H10K59/88 ,  H10K59/124 ,  H10K59/131 ,  G06F3/041 ,  G06F3/044

CPC classification number: H10K59/123 ,  G09G3/3233 ,  H10K59/124 ,  H10K59/131 ,  H10K59/40 ,  H10K59/88 ,  G06F3/0446 ,  G06F3/04164 ,  G09G2300/0426

Abstract: A display device includes a first display area and a second display area adjacent to the first display area in a first direction, driving elements, light-emitting elements including a pixel electrode electrically connected to a corresponding one of the driving elements, signal wirings that transfer a driving signal to the driving elements, and connection wirings that transfer a driving signal to signal wirings disposed in the second display area. At least one of the connection wirings includes a first signal-transferring portion extending in the first direction, a second signal-transferring portion extending in a second direction, and dummy portions extending in a direction intersecting the first and second signal-transferring portions. The pixel electrode overlaps a gap between dummy portions of adjacent connection wirings in an area where the connection wirings are disposed.

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：US11791318B2

公开(公告)日：2023-10-17

申请号：US16991515

申请日：2020-08-12

Applicant: Samsung Display Co., LTD.

Inventor： Seung Min Lee ,  Jin Yeong Kim ,  Sang Ho Park ,  Tae Hoon Yang ,  Sung Jin Lee ,  Jin Woo Lee

IPC: H01L25/075 ,  H01L27/15

CPC classification number: H01L25/0753 ,  H01L27/156

Abstract: A display device includes a substrate, a display element layer disposed on a first surface of the substrate and including a light emitting element that emits light, and a pixel circuit layer disposed on the display element layer and including a transistor electrically connected to the light emitting element. The display element layer includes a first contact electrode electrically connected to a first end of the light emitting element, and a second contact electrode electrically connected to a second end of the light emitting element. The pixel circuit layer includes a reflective layer disposed on the display element layer and overlapping the light emitting element. One of the first contact electrode and the second contact electrode is electrically connected to the transistor. The reflective layer reflects the light emitted from the light emitting element toward a second surface 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：US20220310761A1

公开(公告)日：2022-09-29

申请号：US17537512

申请日：2021-11-30

Applicant: Samsung Display Co., LTD.

Inventor： Sun Ho KIM ,  Ju Chan Park ,  Yoo Min Ko ,  Gun Hee Kim ,  Tae Hoon Yang ,  Sun Hee Lee ,  Ja Eun Lee

IPC: H01L27/32

Abstract: A display device includes: a substrate having a first display area and a second display area. A first pixel circuit portion is disposed on the substrate. A first emitting diode includes a first pixel electrode connected to the first pixel circuit portion. A second pixel circuit portion is disposed on a second display area of the substrate. An extension wire is connected to the second pixel circuit portion. A second emitting diode includes a second pixel electrode connected to the extension wire, and a driving circuit portion is connected to the first pixel circuit portion and the second pixel circuit portion, and overlaps the second emitting diode. The extension wire is disposed in a different layer from the second pixel electrode.

公开(公告)号：US11443683B2

公开(公告)日：2022-09-13

申请号：US16888108

申请日：2020-05-29

Applicant: Samsung Display Co., LTD.

Inventor： Dong Hyun Kim ,  Gun Hee Kim ,  Sang Hoon Kim ,  Soo Hyun Moon ,  Seung Chan Lee ,  Joo Hee Jeon ,  Sung Jin Hong ,  Tae Hoon Yang

IPC: G09G3/3225 ,  G09G3/20

Abstract: A display device: a substrate including a first display area and a second display area; a signal line which overlaps the first display area and the second display area; and a common electrode which overlaps the first display area and the second display area, where the first display area includes a first pixel area, the second display area includes a second pixel area and a transmitting area, the transmitting area includes a first transmitting area and a second transmitting area, which have different transmittances from each other, the common electrode overlaps the first pixel area, the second pixel area and the second transmitting area, and in the second transmitting area, at least a part of the signal line and the common electrode overlap each other.

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：US11244628B2

公开(公告)日：2022-02-08

申请号：US16832668

申请日：2020-03-27

Applicant: Samsung Display Co., LTD.

Inventor： Seung Hwan Cho ,  Ki Nyeng Kang ,  Sang Hoon Lee ,  Sun Ho Kim ,  Tae Woo Kim ,  Tae Hoon Yang ,  Jong Hyun Choi

IPC: G09G3/3266 ,  G09G3/3258

Abstract: A display device including a substrate including a display area and a non-display area, a plurality of signal lines disposed in the display area and extending along a first direction and from the non-display area to the display area, a connection line extending from the non-display area and electrically connected to a respective signal line of the plurality of signal lines in the non-display area, and an initialization voltage line extending in a second direction intersecting the first direction, wherein the connection line overlaps the initialization voltage line in a thickness direction of the display device.

公开(公告)号：US11132946B2

公开(公告)日：2021-09-28

申请号：US16876910

申请日：2020-05-18

Applicant: Samsung Display Co., LTD. ,  Konkuk University Industrial Cooperation Corp

Inventor： Tae Hoon Yang ,  Joon Ho Lee ,  Kee Chan Park ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3225

Abstract: An emission signal driver comprises stages connected to emission lines. Each of the stages includes a node controller which supplies a start signal or a carry signal, which is input to a start terminal, to a first node in response to a clock signal input to a clock terminal, a first inverter connected between the first node and a second node, and a second inverter connected between the second node and an output terminal.