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1.发明公开公开(公告)号：US20230369542A1
公开(公告)日：2023-11-16
申请号：US18024544
申请日：2020-12-16
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Min CHO , Dong Uk KIM , Se Young KIM , Seung Geun LEE , Seung A LEE , Yo Han LEE , Sung Ae JANG , Hyung Rae CHA , Ji Hyun HAM
CPC classification number: H01L33/44 , H01L25/167 , H01L33/0093 , H01L2933/0025
Abstract: A light-emitting device includes a light-emitting device core including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an element active layer disposed between the first semiconductor layer and the second semiconductor layer; a first insulating layer disposed on the side surface of the light-emitting device core to surround the side surface of the light-emitting device core, and having first fixed charges; and a second insulating layer surrounding the outer side surface of the first insulating layer, and including a material having second fixed charges different from the first fixed charges.
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公开(公告)号：US20230230968A1
公开(公告)日：2023-07-20
申请号：US18000673
申请日：2021-05-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yo Han LEE
CPC classification number: H01L25/167 , H01L33/483 , H01L33/38
Abstract: A display device is provided. The display device includes a plurality of pixels disposed in a display area, each of the plurality of pixels includes a first electrode and a second electrode spaced apart from each other in a first direction, and at least one light emitting element disposed between the first electrode and the second electrode and electrically connected to the first electrode and the second electrode, and a distance in the first direction between one end of the light emitting element and one end of the second electrode is greater than a distance in the first direction between another end of the light emitting element and one end of the first electrode.
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公开(公告)号：US20220181522A1
公开(公告)日：2022-06-09
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：US20250098371A1
公开(公告)日：2025-03-20
申请号：US18968549
申请日：2024-12-04
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：US20230361262A1
公开(公告)日：2023-11-09
申请号：US18141304
申请日：2023-04-28
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Min CHO , Yo Han LEE
IPC: H01L33/62 , H01L25/075 , H01L27/12 , H01L25/16 , G09G3/32
CPC classification number: H01L33/62 , H01L25/0753 , H01L27/124 , H01L27/1255 , H01L25/167 , G09G3/32 , G09G2320/0271
Abstract: A display device may include a pixel. The pixel may include: a first electrode, a second electrode, and an intermediate electrode; light emitting elements, at least some of the light emitting elements being connected in series with each other through the intermediate electrode between the first electrode and the second electrode; a driving transistor configured to provide a driving current to the light emitting elements between a first power line and a second power line; and a first switching transistor connected in parallel with some of the light emitting elements and connected in series with remaining ones of the light emitting elements.
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Patent Agency Ranking
公开(公告)号：US20230256735A1
公开(公告)日：2023-08-17
申请号：US18004032
申请日：2021-06-04
Applicant: Samsung Display Co., LTD.
Inventor： Hye Jung HONG , Hyun Min CHO , Jong Hyuk KANG , Hee Yeon YOO , Yo Han LEE , Jae Hoon JUNG
CPC classification number: B41J2/04563 , B41J2/175 , B41J2/04583
Abstract: An inkjet printing apparatus includes: a print head device including an inkjet head to spray a composition for ink including a plurality of bipolar elements; an ink circulation device including an ink storage to store the composition for ink, and transfer the composition for ink to the print head device; an ink injection device to inject the composition for ink into the ink storage; and a temperature adjusting device to adjust a temperature of the composition for ink. The temperature adjusting device includes: a first temperature adjusting device to adjust a temperature to be included in a first reference temperature range; a second temperature adjusting device to adjust a temperature to be included in a second reference temperature range; and a third temperature adjusting device to adjust a temperature to be included in a third reference temperature range.
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公开(公告)号：US20230014815A1
公开(公告)日：2023-01-19
申请号：US17757689
申请日：2020-11-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yo Han LEE
Abstract: The present disclosure relates a display device and a method of driving the same. For example, a display device according to one or more embodiments of the present disclosure includes pixels, a sensing unit, and a compensator calculating a current compensation value for each of the pixels based on a sensing value of the sensing unit, a first pixel among the pixels includes at least two light emitting diodes connected in series with a first transistor that controls a current, the sensing unit outputs a sensing value by sensing a voltage of the light emitting diodes in a sensing period, and the compensator increases the current compensation value for the first pixel as a voltage of the second node decreases in the sensing period.
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公开(公告)号：US20220069004A1
公开(公告)日：2022-03-03
申请号：US17421367
申请日：2019-07-09
Applicant: Samsung Display Co., Ltd.
Inventor： Sin Chul KANG , Won Sik OH , Jae Woong KANG , Su Mi MOON , Yo Han LEE
Abstract: A display device includes a first substrate including a first area and a second area located at the edge of the first area. A first electrode and a second electrode are on the first substrate and spaced from each other. Light emitting elements are located between the first electrode and the second electrode in the first area. A first conductive layer is on the first electrode in the second area. A pixel circuit layer is on the first conductive layer in the second area, and includes a transistor connected to the first conductive layer. A second substrate is on the pixel circuit layer.
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公开(公告)号：US20210390902A1
公开(公告)日：2021-12-16
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：US20210358393A1
公开(公告)日：2021-11-18
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 , H01L33/62 , H01L25/075 , H01L33/00
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
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