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公开(公告)号：US12183769B2
公开(公告)日：2024-12-31
申请号：US17373346
申请日：2021-07-12
Applicant: Samsung Display Co., Ltd.
Inventor： Mi Jin Park , Jin Sun Kim , Jin Yeong Kim , Sang Ho Park , Keun Kyu Song , Woo Guen Jang
Abstract: A display device and a method of manufacturing the same are provided. A display device includes: a substrate including a plurality of pixels; a first electrode and a second electrode spaced apart from each other on the substrate; a light emitting element located between the first electrode and the second electrode; and a conductive pattern on the light emitting element. The light emitting element includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, and the conductive pattern overlaps the active layer and does not overlap the first semiconductor layer or the second semiconductor layer.
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公开(公告)号：US11552144B2
公开(公告)日：2023-01-10
申请号：US17579699
申请日：2022-01-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sang Ho Park , Yeon Hong Kim , Jin Yeong Kim , Jin Taek Kim , Soo Hyun Moon , Mi Jin Park , Tae Hoon Yang , Sung-Jin Lee , Jin Woo Lee , Kwang Taek Hong
IPC: G09G3/30 , H01L27/32 , G09G3/3233 , G09G3/3258 , H01L27/12
Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic light emitting diode.
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3.发明授权公开(公告)号：US11848409B2
公开(公告)日：2023-12-19
申请号：US17867627
申请日：2022-07-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jin Yeong Kim , Mi Jin Park , Sang Ho Park , Tae Hoon Yang , Sung Jin Lee
IPC: H01L33/62 , H01L25/075 , G09G3/32 , H01L25/16 , H01L33/20 , H01L33/38 , H10K59/12 , H10K59/122 , H10K59/131 , H10K59/179 , G09G3/20
CPC classification number: H01L33/62 , G09G3/32 , H01L25/0753 , H01L25/167 , H01L33/20 , H01L33/38 , H10K59/12 , H10K59/122 , H10K59/131 , H10K59/179 , G09G3/2003 , G09G2300/0426 , G09G2300/0439
Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.
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公开(公告)号：US12155027B2
公开(公告)日：2024-11-26
申请号：US18544371
申请日：2023-12-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jin Yeong Kim , Mi Jin Park , Sang Ho Park , Tae Hoon Yang , Sung Jin Lee
IPC: H01L33/62 , G09G3/32 , H01L25/075 , H01L25/16 , H01L33/20 , H01L33/38 , H10K59/12 , H10K59/122 , H10K59/131 , H10K59/179 , G09G3/20
Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.
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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
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.
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Patent Agency Ranking
公开(公告)号：US20210134768A1
公开(公告)日：2021-05-06
申请号：US16988163
申请日：2020-08-07
Applicant: Samsung Display Co., LTD.
Inventor： Sung Jin Lee , Jin Yeong Kim , Jin Taek Kim , Mi Jin Park , Jin Woo Lee , Kwang Taek Hong
IPC: H01L25/075 , H01L25/16 , H01L33/38
Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.
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公开(公告)号：US11785824B2
公开(公告)日：2023-10-10
申请号：US17148321
申请日：2021-01-13
Applicant: Samsung Display Co., Ltd.
Inventor： Jin Woo Lee , Sang Ho Park , Tae Hoon Yang , Jin Yeong Kim , Jin Taek Kim , Soo Hyun Moon , Mi Jin Park
IPC: H01L25/075 , H10K59/38 , H10K50/813 , H10K50/822 , H10K50/844 , H10K59/124 , H10K71/00
CPC classification number: H10K59/38 , H10K50/813 , H10K50/822 , H10K50/844 , H10K59/124 , H10K71/00
Abstract: A display device includes a first substrate including a plurality of unit light emitting areas; a first electrode and a second electrode in each of the unit light emitting areas of the first substrate; a first insulation layer exposing one region of each of the first electrode and the second electrode; a light emitting element on the first insulation layer and having a first end and a second end in a length direction; light conversion patterns adjacent to the light emitting element, covering a portion of an upper surface of the light emitting element, and exposing the first and second ends of the light emitting element; a first contact electrode on the first electrode and connecting the one region of the exposed first electrode and the first end of the light emitting element; and a second contact electrode on the second electrode.
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公开(公告)号：US11923346B2
公开(公告)日：2024-03-05
申请号：US17903551
申请日：2022-09-06
Applicant: Samsung Display Co., LTD.
Inventor： Sung Jin Lee , Jin Yeong Kim , Jin Taek Kim , Mi Jin Park , Jin Woo Lee , Kwang Taek Hong
IPC: H01L25/075 , H01L25/16 , H01L33/38 , H01L33/24 , H01L33/44
CPC classification number: H01L25/0753 , H01L25/167 , H01L33/38 , H01L33/24 , H01L33/44
Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.
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公开(公告)号：US11462518B2
公开(公告)日：2022-10-04
申请号：US16988163
申请日：2020-08-07
Applicant: Samsung Display Co., LTD.
Inventor： Sung Jin Lee , Jin Yeong Kim , Jin Taek Kim , Mi Jin Park , Jin Woo Lee , Kwang Taek Hong
IPC: H01L25/075 , H01L25/16 , H01L33/38 , H01L33/44 , H01L33/24
Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.
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公开(公告)号：US20220140029A1
公开(公告)日：2022-05-05
申请号：US17579699
申请日：2022-01-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sang Ho PARK , Yeon Hong Kim , Jin Yeong Kim , Jin Taek Kim , Soo Hyun Moon , Mi Jin Park , Tae Hoon Yang , Sung-Jin Lee , Jin Woo Lee , Kwang Taek Hong
IPC: H01L27/32 , G09G3/3233 , G09G3/3258
Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic light emitting diode,
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