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1.发明申请公开(公告)号：US20220416123A1
公开(公告)日：2022-12-29
申请号：US17897821
申请日：2022-08-29
Inventor： Kyungwook HWANG , Sungjin KANG , Euijoon YOON , Junsik HWANG , Jongmyeong KIM , Jehong OH , Jungel RYU , Seungmin LEE
Abstract: Provided are a light-emitting diode (LED) device, a method of manufacturing the LED device, and a display apparatus including the LED device. The LED device includes a light-emitting layer having a core-shell structure, a passivation layer provided to cover a portion of a top surface of the first semiconductor layer, a first electrode provided on the light-emitting layer, and a second electrode provided under the light-emitting layer. The light-emitting layer includes a first semiconductor layer, an active layer, and a second semiconductor layer. The first electrode is provided to contact the first semiconductor layer, and the second electrode is provided to contact the second semiconductor layer.
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Patent Agency Ranking
2.发明申请公开(公告)号：US20210296296A1
公开(公告)日：2021-09-23
申请号：US17338748
申请日：2021-06-04
Inventor： Junhee CHOI , Euijoon YOON
Abstract: Provided are a micro light source array for a display device, a display device including the micro light source array, and a method of manufacturing the display device. The micro light source array includes: a plurality of silicon sub-mounts provided on a substrate, each silicon sub-mount from among the plurality of silicon sub-mounts corresponding to a respective sub-pixel from among a plurality of sub-pixels of a display device, the plurality of silicon sub-mounts being separated from each other by a plurality of trenches; a plurality of light emitting device chips coupled to the plurality of silicon sub-mounts; and a plurality of driving circuits provided at the plurality of silicon sub-mounts.
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3.发明申请公开(公告)号：US20210184070A1
公开(公告)日：2021-06-17
申请号：US16883363
申请日：2020-05-26
Inventor： Kyungwook HWANG , Jungel RYU , Sungjin KANG , Jongmyeong KIM , Jehong OH , Euijoon YOON , Seungmin LEE , Junsik HWANG
Abstract: A method of aligning micro LEDs and a method of manufacturing a micro LED display using the same are provided. The method of aligning micro LEDs includes providing micro LEDs, each having a first surface that has a first maximum width and a second surface opposite to the first surface and has a second maximum width that is greater than the first maximum width, providing a transfer substrate including a transfer mold that has an array of openings, each of the openings being configured to accommodate the first surface of a corresponding micro LED and not accommodate the second surface of the corresponding micro LED and aligning the micro LEDs in one direction in the openings of the transfer mold by inserting the micro LEDs into the openings of the transfer mold so that the first surface of each of the micro LEDs is positioned within a corresponding opening.
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4.发明申请公开(公告)号：US20210159361A1
公开(公告)日：2021-05-27
申请号：US16845457
申请日：2020-04-10
Inventor： Kyungwook HWANG , Sungjin KANG , Euijoon YOON , Junsik HWANG , Jongmyeong KIM , Jehong OH , Jungel RYU , Seungmin LEE
Abstract: Provided are a light-emitting diode (LED) device, a method of manufacturing the LED device, and a display apparatus including the LED device. The LED device includes a light-emitting layer having a core-shell structure, a passivation layer provided to cover a portion of a top surface of the first semiconductor layer, a first electrode provided on the light-emitting layer, and a second electrode provided under the light-emitting layer. The light-emitting layer includes a first semiconductor layer, an active layer, and a second semiconductor layer. The first electrode is provided to contact the first semiconductor layer, and the second electrode is provided to contact the second semiconductor layer.
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公开(公告)号：US20230299234A1
公开(公告)日：2023-09-21
申请号：US18303423
申请日：2023-04-19
Applicant: SAMSUNG ELECTRONICS CO.,LTD.
Inventor： Euijoon YOON , Jehong OH , Jungel RYU , Seungmin LEE , Jongmyeong KIM
IPC: H01L33/24 , H01L25/075 , H01L33/16 , H01L33/00 , H01L33/32
CPC classification number: H01L33/24 , H01L25/0753 , H01L33/0095 , H01L33/16 , H01L33/32
Abstract: Disclosed are a display device and a manufacturing method thereof. The display device includes a plurality of pixels, a light emitting device provided in each of the plurality of pixels, the light emitting device having a first surface and a second surface, which are opposite to each other, a first electrode electrically connected to the first surface of the light emitting device, a second electrode electrically connected to the second surface of the light emitting device, and a metal oxide pattern interposed between the second surface of the light emitting device and the second electrode. The metal oxide pattern is provided to cover a portion of the second surface and to expose a remaining portion of the second surface. The second electrode is electrically connected to the exposed remaining portion of the second surface, and the metal oxide pattern includes single-crystalline or polycrystalline alumina.
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6.发明申请公开(公告)号：US20200168594A1
公开(公告)日：2020-05-28
申请号：US16670457
申请日：2019-10-31
Inventor： Junhee CHOI , Euijoon YOON
Abstract: Provided are a micro light source array for a display device, a display device including the micro light source array, and a method of manufacturing the display device. The micro light source array includes: a plurality of silicon sub-mounts provided on a substrate, each silicon sub-mount from among the plurality of silicon sub-mounts corresponding to a respective sub-pixel from among a plurality of sub-pixels of a display device, the plurality of silicon sub-mounts being separated from each other by a plurality of trenches; a plurality of light emitting device chips coupled to the plurality of silicon sub-mounts; and a plurality of driving circuits provided at the plurality of silicon sub-mounts.
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