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公开(公告)号：US20230006119A1
公开(公告)日：2023-01-05
申请号：US17784462
申请日：2020-11-13
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Sik OH , Su Mi MOON , Sin Chul KANG , Hyun Min CHO , Xinxing LI , Chul Jong YOO
Abstract: A display device may include a substrate including pixel areas, and a pixel disposed in each of the pixel area. The pixel may include a transistor and a driving voltage line disposed in the substrate, first and second electrodes spaced apart from each other, a bank pattern disposed on the first and second electrodes, respectively, intermediate layers disposed on the bank pattern, light emitting elements disposed between two adjacent intermediate layers of the intermediate layers, a first contact electrode disposed on one of the two adjacent intermediate layers and electrically connected to an end of each of the light emitting elements, and a second contact electrode disposed on another one of the two adjacent intermediate layers and electrically connected to another end of each of the light emitting elements.
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公开(公告)号：US20220139319A1
公开(公告)日：2022-05-05
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
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.
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公开(公告)号：US20220069003A1
公开(公告)日：2022-03-03
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
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：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：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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Patent Agency Ranking
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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公开(公告)号：US20240055566A1
公开(公告)日：2024-02-15
申请号：US17754552
申请日：2020-03-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chang Il TAE , Jae Woong KANG , Sin Chul KANG , Su Mi MOON , Won Sik OH
CPC classification number: H01L33/58 , H01L25/167 , H01L33/385
Abstract: A display device in accordance with one or more embodiments may include: a substrate including a display area including a plurality of pixel areas, each of the plurality of pixel areas including an emission area, and a non-display area at at least one side of the display area; and a pixel in each of the plurality of pixel areas. The pixel may include: a first electrode and a second electrode spaced from each other on the substrate; a plurality of light emitting elements connected between the first and the second electrodes; and an optical pattern on the plurality of light emitting elements and overlapping at least some of the plurality of light emitting elements. The optical pattern is configured to extract light emitted from the plurality of light emitting elements.
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公开(公告)号：US20220393071A1
公开(公告)日：2022-12-08
申请号：US17775077
申请日：2020-09-04
Applicant: Samsung Display Co., LTD.
Inventor： Su Mi MOON , Sin Chul KANG
Abstract: A display device includes a first inner bank and a second inner bank that are disposed on a substrate and spaced apart from each other, a first electrode disposed on a partial area of the first inner bank and a second electrode covering the second inner bank, and a light-emitting element between the first electrode and the second electrode, wherein an end portion of the light-emitting element does not overlap the first electrode in a thickness direction of the substrate, and another end portion of the light-emitting element overlaps the second electrode in a thickness direction.
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公开(公告)号：US20220077227A1
公开(公告)日：2022-03-10
申请号：US17417730
申请日：2019-07-02
Applicant: Samsung Display Co., Ltd.
Inventor： Sin Chul KANG , Su Mi MOON
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：US20230045654A1
公开(公告)日：2023-02-09
申请号：US17786952
申请日：2020-11-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Su Mi MOON , Sin Chul KANG , Jae Woong KANG , Won Sik OH
Abstract: A display device includes transistors disposed on a substrate, a first protective layer covering the transistors, conductive patterns disposed on the first protective layer, a second protective layer disposed on the conductive patterns, first and second electrodes disposed on the second protective layer, at least one light emitting disposed between the first and second electrodes, and a first contact electrode disposed on the first electrode and contacting an end of at least one light emitting element, and a second contact electrode disposed on the second electrode and contacting another end of the at least one light emitting element. The conductive patterns include first and second conductive patterns respectively overlapping the first and second electrodes. The first electrode is connected to the first conductive pattern. The second protective layer includes an opening hole exposing a portion of the second conductive pattern.
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