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公开(公告)号:US12142602B2
公开(公告)日:2024-11-12
申请号:US17844653
申请日:2022-06-20
Applicant: Seoul Viosys Co., Ltd.
Inventor: Jong Hyeon Chae , Chang Yeon Kim , Ho Joon Lee , Seong Gyu Jang , Chung Hoon Lee , Dae Sung Cho
Abstract: A light emitting device including a first LED sub-unit having a thickness in a first direction, a second LED sub-unit disposed on a portion of the first LED sub-unit in the first direction, each of the first and second LED sub-units comprising a first-type semiconductor layer, a second-type semiconductor layer, and an active layer, a reflective electrode disposed adjacent to the first LED sub-unit and electrically connected to the first-type semiconductor layer of the first LED sub-unit, and a first ohmic electrode forming ohmic contact with the second-type semiconductor layer of the first LED sub-unit, in which the active layer of the first LED sub-unit is configured to generate light, includes AlxGa(1-x-y)InyP (0≤x≤1, 0≤y≤1), and overlaps the active layer of the second LED sub-unit in the first direction, and the active layer of the second LED sub-unit includes the same material as the active layer of the first LED sub-unit.
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公开(公告)号:US12100696B2
公开(公告)日:2024-09-24
申请号:US16200036
申请日:2018-11-26
Applicant: Seoul Viosys Co., Ltd.
Inventor: Jong Hyeon Chae , Chang Yeon Kim , Ho Joon Lee , Seong Gyu Jang , Chung Hoon Lee , Dae Sung Cho
CPC classification number: H01L25/13 , H01L25/0756 , H01L27/156 , H01L33/0093 , H01L33/405 , H01L33/50 , H01L33/62 , H01L25/0753 , H01L33/38
Abstract: A light emitting diode pixel for a display including a first LED sub-unit, a second LED sub-unit disposed on a portion of the first LED sub-unit, a third LED sub-unit disposed on a portion of the second LED sub-unit, and a reflective electrode disposed adjacent to the first LED sub-unit, in which each of the first to third LED sub-units comprises an n-type semiconductor layer and a p-type semiconductor layer, each of the n-type semiconductor layers of the first, second, and third LED stacks is electrically connected to the reflective electrode, and the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit are configured to be independently driven.
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公开(公告)号:US12057542B2
公开(公告)日:2024-08-06
申请号:US18132938
申请日:2023-04-10
Applicant: Seoul Viosys Co., Ltd.
Inventor: Jong Min Jang , Chang Yeon Kim
Abstract: A light emitting device including a first light emitting part, a second light emitting part disposed on a first surface of the first light emitting part, and a third light emitting part disposed on a first surface of the second light emitting part, a first contact member contacting a surface of a second n-type semiconductor layer of the second light emitting part, an ohmic electrode electrically connected to a third p-type semiconductor layer of the third light emitting part, and an adhesive layer disposed between the second light emitting part and the third light emitting part, in which the first contact member extends toward the first light emitting part to be electrically connected to a first n-type semiconductor layer of the first light emitting part, and the adhesive layer extends toward the ohmic electrode.
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公开(公告)号:US11978759B2
公开(公告)日:2024-05-07
申请号:US17366462
申请日:2021-07-02
Applicant: SEOUL VIOSYS CO., LTD.
Inventor: Jong Hyeon Chae , Chung Hoon Lee , Seong Gyu Jang , Chang Yeon Kim , Ho Joon Lee
IPC: H01L27/15 , H01L25/07 , H01L25/075 , H01L27/12 , H01L27/32 , H01L33/08 , H01L33/10 , H01L33/30 , H01L33/38 , H01L33/40 , H01L33/42 , H01L33/46 , H01L33/50 , H01L33/58 , H01L33/60 , H10K59/35 , H10K59/38 , G09G3/32 , H01L25/16 , H01L29/45 , H01L33/00 , H01L33/22 , H01L33/24 , H10K59/32 , H10K102/00
CPC classification number: H01L27/156 , H01L25/0756 , H01L33/10 , H01L33/30 , H01L33/405 , H01L33/504 , G09G3/32 , H01L25/167 , H01L27/1214 , H01L29/45 , H01L33/0008 , H01L33/0093 , H01L33/08 , H01L33/22 , H01L33/24 , H01L33/38 , H01L33/382 , H01L33/385 , H01L33/42 , H01L33/46 , H01L33/58 , H01L33/60 , H10K59/32 , H10K59/35 , H10K59/352 , H10K59/353 , H10K59/38 , H10K2102/00
Abstract: A light emitting diode (LED) stack for a display including a substrate, a first LED stack disposed on the substrate, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, a first color filter interposed between the first LED stack and the second LED stack, and a second color filter interposed between the second LED stack and the third LED stack, in which the second LED stack and the third LED stack are configured to transmit light generated from the first LED stack to the outside, and the third LED stack is configured to transmit light generated from the second LED stack to the outside.
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公开(公告)号:US20230387178A1
公开(公告)日:2023-11-30
申请号:US18232371
申请日:2023-08-10
Applicant: SEOUL VIOSYS CO., LTD.
Inventor: Jong Min JANG , Chang Yeon Kim , Myoung Hak Yang
CPC classification number: H01L27/15 , H01L33/56 , H01L33/38 , H01L33/486 , H01L33/44
Abstract: A light emitting module including a substrate, a first light emitter, a second light emitter, and a third light emitter, in which at least two of the first, second, and third emitters are disposed one over another, connection electrodes electrically connected to at least one of the first, second, and third light emitters, a passivation layer covering at least one side surface of the connection electrodes and exposing at least a region of the first light emitter, and a first electrode electrically connected to at least one of the connection electrodes, in which the first electrode is electrically connected to at least one of the first, second, and third electrodes through the at least one of the connection electrodes, and at least one of connection electrodes overlaps side surfaces of two or more of the first, second, and third light emitters in a plan view.
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公开(公告)号:US20230378406A1
公开(公告)日:2023-11-23
申请号:US18229624
申请日:2023-08-02
Applicant: SEOUL VIOSYS CO., LTD.
Inventor: Jong Min JANG , Sung Hyun Lee , Chang Yeon Kim
CPC classification number: H01L33/58 , H01L25/0753 , H01L27/15 , H01L33/38 , H01L33/62 , H01L33/44 , H01L2933/0066 , H01L2933/0016 , H01L2933/0025
Abstract: A display apparatus including a circuit board, a plurality of light emitting devices mounted on the circuit board, a transparent substrate disposed on the light emitting devices, and a light absorbing layer disposed between the transparent substrate and the light emitting devices, in which the light absorbing layer covers upper regions of the light emitting devices and a region between the light emitting devices.
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公开(公告)号:US11756980B2
公开(公告)日:2023-09-12
申请号:US16858674
申请日:2020-04-26
Applicant: SEOUL VIOSYS CO., LTD.
Inventor: Jong Min Jang , Chang Yeon Kim , Myoung Hak Yang
CPC classification number: H01L27/15 , H01L33/38 , H01L33/44 , H01L33/486 , H01L33/56
Abstract: A light emitting package includes a first LED sub-unit having first and second opposed surfaces, a second LED sub-unit disposed on the second surface of the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a plurality of connection electrodes having side surfaces and electrically connected to at least one of the LED sub-units, the connection electrodes covering a side surface of at least one of the LED sub-units, a first passivation layer surrounding at least the sides surfaces of the connection electrodes, the first passivation layer exposing at least a portion of the first surface of the first LED sub-unit, a substrate having first and second opposed surfaces, with the first surface of the substrate facing the LED sub-units, and a first electrode disposed on the first surface of the substrate and connected to at least one of the connection electrodes.
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公开(公告)号:US11664410B2
公开(公告)日:2023-05-30
申请号:US17518602
申请日:2021-11-04
Applicant: SEOUL VIOSYS CO., LTD.
Inventor: Jong Hyeon Chae , Seong Gyu Jang , Ho Joon Lee , Chang Yeon Kim , Chung Hoon Lee
IPC: H01L27/15 , H01L27/12 , H01L33/10 , H01L33/40 , H01L33/62 , H01L25/075 , H01L33/00 , H01L25/13 , H01L33/42 , H01L33/50 , H01L25/065 , H01L25/11 , H01L33/38
CPC classification number: H01L27/156 , H01L25/0756 , H01L25/13 , H01L33/0093 , H01L33/10 , H01L33/405 , H01L33/42 , H01L33/507 , H01L33/62 , H01L25/0655 , H01L25/0753 , H01L25/115 , H01L33/38 , H01L33/382 , H10K10/84 , H10K50/813 , H10K50/818 , H10K50/822 , H10K50/828 , H10K59/32 , H10K59/35
Abstract: A light emitting diode (LED) stack for a display including a first LED stack including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, an intermediate bonding layer disposed between the first LED stack and the second LED stack to bond the second LED stack to the first LED stack, an upper bonding layer disposed between the second LED stack and the third LED stack to couple the third LED stack to the second LED stack, and a first hydrophilic material layer disposed between the first LED stack and the upper bonding layer.
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公开(公告)号:US11587914B2
公开(公告)日:2023-02-21
申请号:US16852522
申请日:2020-04-19
Applicant: SEOUL VIOSYS CO., LTD.
Inventor: Jong Min Jang , Chang Yeon Kim , Myoung Hak Yang
IPC: H01L25/075 , H01L33/62 , H01L27/15 , H01L23/31
Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a passivation layer disposed on the third LED sub-unit, and a first connection electrode electrically connected to at least one of the first, second, and third LED sub-units, in which the first connection electrode and the third LED sub-unit form a first angle defined between an upper surface of the third LED sub-unit and an inner surface of the first connection electrode that is less than about 80°.
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公开(公告)号:US20220392879A1
公开(公告)日:2022-12-08
申请号:US17844653
申请日:2022-06-20
Applicant: Seoul Viosys Co., Ltd.
Inventor: Jong Hyeon CHAE , Chang Yeon Kim , Ho Joon Lee , Seong Gyu Jang , Chung Hoon Lee , Dae Sung Cho
Abstract: A light emitting device including a first LED sub-unit having a thickness in a first direction, a second LED sub-unit disposed on a portion of the first LED sub-unit in the first direction, each of the first and second LED sub-units comprising a first-type semiconductor layer, a second-type semiconductor layer, and an active layer, a reflective electrode disposed adjacent to the first LED sub-unit and electrically connected to the first-type semiconductor layer of the first LED sub-unit, and a first ohmic electrode forming ohmic contact with the second-type semiconductor layer of the first LED sub-unit, in which the active layer of the first LED sub-unit is configured to generate light, includes AlxGa(1-x-y)InyP (0≤x≤1, 0≤y≤1), and overlaps the active layer of the second LED sub-unit in the first direction, and the active layer of the second LED sub-unit includes the same material as the active layer of the first LED sub-unit.
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