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公开(公告)号:US11488520B2
公开(公告)日:2022-11-01
申请号:US17283771
申请日:2019-04-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Yo Han Lee , Su Mi Moon , Hyun Min Cho
Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.
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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
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.
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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
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.
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公开(公告)号:US12165576B2
公开(公告)日:2024-12-10
申请号:US18482191
申请日:2023-10-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Yo Han Lee , Su Mi Moon , Hyun Min Cho
Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.
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公开(公告)号:US11783764B2
公开(公告)日:2023-10-10
申请号:US17977580
申请日:2022-10-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Yo Han Lee , Su Mi Moon , Hyun Min Cho
CPC classification number: G09G3/32 , G09G3/2007 , G09G2300/0426 , G09G2300/0439 , G09G2300/0809 , G09G2310/027 , G09G2310/0243 , G09G2310/0272 , G09G2310/08 , G09G2330/00
Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.
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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
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.
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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
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.
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公开(公告)号:US11984539B2
公开(公告)日:2024-05-14
申请号:US17297870
申请日:2019-06-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Su Mi Moon , Eun Ju Kim , Hyun Min Cho
CPC classification number: H01L33/44 , H01L25/167 , H01L33/0062 , H01L33/0066 , H01L33/24 , H01L2933/0025
Abstract: A light emitting element includes an emission stacked pattern and an insulating film. The emission stack pattern includes a first conductive semiconductor layer, an active layer disposed on the first conductive semiconductor layer, and a second conductive semiconductor layer disposed on the active layer. The insulating film surrounds an outer surface of the emission stacked pattern and has a non-uniform thickness.
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