公开(公告)号：US12100710B2

公开(公告)日：2024-09-24

申请号：US17429546

申请日：2019-08-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sin Chul Kang ,  Won Sik Oh

IPC: H01L27/12 ,  H01L25/16 ,  G09G3/00 ,  G09G3/32 ,  H01L23/00

CPC classification number: H01L27/124 ,  H01L25/167 ,  G09G3/006 ,  G09G3/32 ,  G09G2300/0809 ,  H01L24/24 ,  H01L2224/24147

Abstract: A display device includes a pixel disposed in a display area. The pixel includes a first electrode and a second electrode spaced apart from each other; at least one intermediate electrode disposed between the first electrode and the second electrode; a plurality of light emitting elements electrically connected between a pair of adjacent electrodes of a plurality of electrodes including the first electrode, the second electrode, and the at least one intermediate electrode; and a plurality of repair patterns overlapping and disposed between a pair of adjacent electrodes of the plurality of electrodes.

公开(公告)号：US12051715B2

公开(公告)日：2024-07-30

申请号：US17417730

申请日：2019-07-02

Applicant: Samsung Display Co., Ltd.

Inventor： Sin Chul Kang ,  Su Mi Moon

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

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/38 ,  H01L33/62 ,  G09G2330/08

Abstract: A display device may include: a base layer including a display area and a non-display area; and a plurality of pixels in the display area, and each including a plurality of sub-pixels each including an emission area configured to emit light and a peripheral area around the emission area. The sub-pixels may include: at least one first electrode and at least one second electrode extending in a direction and spaced apart from each other; and a plurality of light emitting elements between a first electrode of the at least one first electrode and a second electrode of the at least one second electrode and configured to emit light. At least one of the first electrode and the second electrode may include at least two first electrode patterns spaced apart from each other, and coupled by at least one first connection pattern in the emission area.

公开(公告)号：US11935988B2

公开(公告)日：2024-03-19

申请号：US17296814

申请日：2019-05-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sin Chul Kang

IPC: H01L25/075 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L33/387 ,  H01L25/0753 ,  H01L33/62

Abstract: A display device includes a plurality of pixels, each of the plurality of pixels including an emission area, a first electrode and a second electrode that are disposed in the emission area to be spaced apart from each other, and a plurality of light emitting elements that are electrically connected between the first and second electrodes, and a bank disposed between the emission area of each of the plurality of pixels to enclose the emission area. The first electrode includes a first electrode part disposed in the emission area to be adjacent to a first side of the second electrode, a second electrode part disposed in the emission area to be adjacent to a second side of the second electrode, and a third electrode part electrically connecting the first and second electrode parts and disposed in the emission area to be adjacent to a third side of the second electrode.

公开(公告)号：US11688314B2

公开(公告)日：2023-06-27

申请号：US17271477

申请日：2019-02-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yo Han Lee ,  Sin Chul Kang ,  Su Mi Moon ,  Won Sik Oh

IPC: G09G3/06 ,  G09G3/00 ,  G09G3/32 ,  G09G3/3233 ,  H01L25/16 ,  H01L27/15 ,  H01L27/12

CPC classification number: G09G3/006 ,  G09G3/00 ,  G09G3/32 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0413 ,  G09G2300/0469 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2320/0295 ,  G09G2320/045 ,  G09G2320/0693 ,  G09G2330/08 ,  G09G2330/12 ,  H01L25/167 ,  H01L27/1214 ,  H01L27/156

Abstract: A pixel comprising a light emitting unit comprising at least one light emitting element; a pixel circuit for supplying current to the light emitting in response to a data signal; a sensing transistor electrically connected between a data line and a first node that is a common node of the light emitting unit and the pixel circuit; and a control transistor electrically connected between a scanning line and a gate electrode of the sensing transistor.

公开(公告)号：US12166157B2

公开(公告)日：2024-12-10

申请号：US17604245

申请日：2020-03-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Su Mi Moon ,  Jae Woong Kang ,  Sin Chul Kang ,  Won Sik Oh ,  Yo Han Lee

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/62

Abstract: A display device may include: a substrate including a display area and a non-display area; and at least one pixel disposed in the display area, and comprising at least one pixel including an emission area that emits light. The at least one pixel may include: at least one sub-electrode extending in a direction on the substrate; at least one branch electrode extending in a direction and spaced apart from the sub-electrode; a first insulating layer disposed on the at least one sub-electrode and the at least one branch electrode; first electrodes disposed on the first insulating layer and electrically connected with the at least one sub-electrode; second electrodes disposed on the first insulating layer and electrically connected with the at least one branch electrode; and at least one light emitting element aligned between at least one of the first electrodes and at least one of the second electrodes.

公开(公告)号：US12051716B2

公开(公告)日：2024-07-30

申请号：US17420873

申请日：2019-07-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yo Han Lee ,  Sin Chul Kang ,  Jae Woong Kang ,  Su Mi Moon ,  Won Sik Oh

IPC: H01L27/15 ,  G09G3/00 ,  H01L33/00 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L27/156 ,  G09G3/006 ,  H01L33/005 ,  H01L33/387 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a pixel disposed in a display area. The pixel includes first and second sub-areas; first and second electrodes of a first stage disposed in the first sub-area; first light emitting elements disposed between the first and second electrodes; first and second contact electrodes of the first stage to electrically connect the first light emitting elements between the first and second electrodes; first and second electrodes of a second stage disposed in the second sub-area; second light emitting elements disposed between the first and second electrodes of the second stage; first and second contact electrodes of the second stage to electrically connect the second light emitting elements between the first and second electrodes of the second stage; and a connection electrode to electrically connect the second contact electrode of the first stage with the first contact electrode of the second stage.

公开(公告)号：US11990566B2

公开(公告)日：2024-05-21

申请号：US17260944

申请日：2018-12-13

Applicant: Samsung Display Co., Ltd.

Inventor： Won Sik Oh ,  Sin Chul Kang ,  Dae Hyun Kim ,  Hyun Min Cho

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/62

Abstract: A display device includes a first electrode stem and a second electrode stem extended in a first direction and spaced from each other, a first electrode branch branching off from the first electrode stem and extended in a second direction, a second electrode branch branching off from the second electrode stem and extended in the second direction, a third electrode between the first electrode branch and the second electrode branch and one or more light-emitting elements between the first electrode branch and the third electrode and between the third electrode and the second electrode branch, wherein the third electrode is extended in the second direction, and both ends of the third electrode in the second direction are spaced from the first electrode stem and from the second electrode stem, respectively.

公开(公告)号：US11869425B2

公开(公告)日：2024-01-09

申请号：US17434271

申请日：2019-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Won Sik Oh ,  Hyun Min Cho ,  Sin Chul Kang ,  Dae Hyun Kim

IPC: G09G3/3233 ,  H01L25/16 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/3233 ,  H01L25/167 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233

Abstract: A display device may include a first power line; a second power line; a data line that transmits a data signal; a scan line that transmits a scan signal; and pixels electrically connected to the first power line, the second power line, the data line, and the scan line. Each of the pixels may include light emitting elements electrically connected between the first power line and the second power line; and a first transistor that provides driving current to the light emitting elements in response to the data signal.

公开(公告)号：US11594171B2

公开(公告)日：2023-02-28

申请号：US17277264

申请日：2019-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sin Chul Kang ,  Won Sik Oh ,  Yo Han Lee ,  Hee Keun Lee ,  Hyun Min Cho

IPC: G09G3/32 ,  H01L25/075 ,  H01L33/00 ,  H01L33/62

Abstract: A method for manufacturing a display device including a substrate including a display area and a non-display area located outside the display area, the display area including pixel areas, is provided. First switching elements are formed in the pixel areas, respectively, and a circuit element layer that includes reference voltage wire in the non-display area and electrically connected to the first switching elements is formed. Pixel electrodes that include first pixel electrodes in the pixel areas on the circuit element layer, respectively, and electrically connected through the first switching elements to the reference voltage wire, and second pixel electrodes facing the first pixel electrodes, are formed. A plurality of light emitting elements are arranged between the first pixel electrodes and the second pixel electrodes. A first source voltage is applied to the reference voltage wire and a second source voltage is applied to the second pixel electrodes.