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公开(公告)号：US11183620B2
公开(公告)日：2021-11-23
申请号：US16424178
申请日：2019-05-28
发明人： Se Hee Oh , Hyun A Kim , Jong Kyu Kim , Jong Hyeon Chae
IPC分类号： H01L33/62 , H01L33/32 , H01L33/10 , H01L33/64 , H01L33/44 , H01L33/08 , H01L33/38 , H01L33/40 , H01L33/60 , F21S41/141 , F21Y115/10
摘要： A light emitting diode having a plurality of light emitting cells is provided. The light emitting diode according to an exemplary embodiment includes a lower insulation layer covering an ohmic reflection layer, connectors disposed on the lower insulation layer to connect the light emitting cells, and an upper insulation layer covering the connectors and the lower insulation layer. An edge of the lower insulation layer is spaced apart farther from an edge of the upper insulation layer than an edge of the light emitting cell. The lower insulation layer susceptible to moisture may be protected and reliability of the light emitting diode may improve.
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公开(公告)号：US12009466B2
公开(公告)日：2024-06-11
申请号：US17983239
申请日：2022-11-08
发明人： Seong Gyu Jang , Chan Seob Shin , Seom Geun Lee , Ho Joon Lee , Jong Hyeon Chae
摘要： A light emitting device including first, second, and third light emitting parts one over another along a first direction, a first conductive pattern at least partially disposed between the second and third light emitting parts and including a first portion extending in a second direction perpendicular to the first direction and electrically coupled with the second light emitting part, and a second portion extending from one end of the first portion, a second conductive pattern disposed on and electrically coupled to the third light emitting part, and a first passivation covering the first light emitting part and including a first portion extending in the second direction and a second portion extending from one end of the first portion and forming an inclined angle with the second direction, in which the first conductive pattern at least partially overlaps with the second portion of the first passivation.
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公开(公告)号：US11876069B2
公开(公告)日：2024-01-16
申请号：US18087690
申请日：2022-12-22
发明人： Jong Hyeon Chae
IPC分类号： H01L23/00 , H01L25/075 , H01L33/62
CPC分类号： H01L24/72 , H01L25/0753 , H01L33/62
摘要： A display apparatus including a circuit board, at least one LED stack configured to emit light, electrode pads disposed on the at least one LED stack and electrically connected to the at least one LED stack, and electrodes disposed on the electrode pads and electrically connected to the electrode pads, respectively, in which each of the electrodes has a fixed portion that is fixed to one of the electrode pads and an extending portion that is spaced apart from the one of the electrode pads, and the electrodes include at least two metal layers having different thermal expansion coefficients from each other.
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公开(公告)号：US20230155072A1
公开(公告)日：2023-05-18
申请号：US18098030
申请日：2023-01-17
发明人： Chi Hyun In , Jun Yong Park , Kyu Ho Lee , Dae Woong Suh , Jong Hyeon Chae , Chang Hoon Kim , Sung Hyun Lee
IPC分类号： H01L33/48
CPC分类号： H01L33/486 , H01L33/20
摘要： A light emitting diode, including a first type semiconductor layer, an active layer, and a second type semiconductor layer; an ohmic contact layer disposed on the second type semiconductor layer; a first insulating layer disposed on the semiconductor structure and including a first opening overlapping the first type semiconductor layer and a second opening overlapping the ohmic contact layer; a first connection wiring disposed on the first insulating layer, the first connection wiring having a first portion and a second portion; and a second connection wiring disposed on the first insulating layer and spaced apart from the first connection wiring, the second connection wiring electrically connected to the second type semiconductor layer through the second opening. The second connection wiring surrounds at least a portion of the first portion of the first connection wiring in a plan view.
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公开(公告)号：US11532664B2
公开(公告)日：2022-12-20
申请号：US16915384
申请日：2020-06-29
发明人： Jong Hyeon Chae , Chung Hoon Lee , Seong Gyu Jang , Chang Yeon Kim , Ho Joon Lee
IPC分类号： H01L27/15 , H01L27/32 , H01L25/07 , H01L25/16 , H01L33/10 , H01L33/30 , H01L33/40 , H01L33/50 , H01L33/08 , H01L33/38 , H01L33/60 , H01L27/12 , G09G3/32 , H01L25/075 , H01L33/00 , H01L33/22 , H01L33/24 , H01L33/42 , H01L33/46 , H01L33/58
摘要： A light emitting diode (LED) stack for a display including a first LED sub-unit configured to emit a first colored light, a second LED sub-unit disposed on the first LED sub-unit and configured to emit a second colored light, and a third LED sub-unit disposed on at least one of the first LED sub-unit and the second LED sub-unit and configured to emit a third colored light, in which the first LED sub-unit is configured to emit light through the second LED sub-unit and the third LED sub-unit, and the second LED sub-unit is configured to emit light through the third LED sub-unit.
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公开(公告)号：US11527514B2
公开(公告)日：2022-12-13
申请号：US16673184
申请日：2019-11-04
发明人： Jong Hyeon Chae , Chang Yeon Kim , Seong Gyu Jang , Ho Joon Lee , Jong Min Jang , Dae Sung Cho
IPC分类号： H01L25/075 , H01L33/50 , H01L33/08 , H01L33/38
摘要： A light emitting device for a display includes a pixel region including first, second, and third LED stacks, an adhesive layer disposed between the first and second LED stacks, or between the second and third LED stacks, a metal bonding layer at least partially surrounded by the adhesive layer, and disposed between and is electrically connected to the first and second LED stacks, or the second and third LED stacks, and a common electrode pad connected to the first, second, and third LED stacks, first, second, and third electrode pads connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.
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公开(公告)号：US11437353B2
公开(公告)日：2022-09-06
申请号：US17096289
申请日：2020-11-12
发明人： Seom Geun Lee , Seong Kyu Jang , Yong Woo Ryu , Jong Hyeon Chae
IPC分类号： H01L25/075 , H01L33/42 , H01L33/62
摘要： A light emitting device including a first LED stack, a second LED stack, and a third LED stack each including first and second conductivity type semiconductor layers, a first bonding layer between the second and third LED stacks, a second bonding layer between the first and second LED stacks, a first planarization layer between the second bonding layer and the second LED stack, a second planarization layer disposed on the first LED stack, lower buried vias passing through the first planarization layer, the second LED stack, and the first bonding layer and electrically connected to the semiconductor layers of the third LED stack, respectively, and upper buried vias passing through the second planarization layer and the first LED stack, in which a width of an upper end of each of the lower buried vias and the upper buried vias is greater than a width of a corresponding through hole.
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公开(公告)号：US11355482B2
公开(公告)日：2022-06-07
申请号：US16200036
申请日：2018-11-26
发明人： Jong Hyeon Chae , Chang Yeon Kim , Ho Joon Lee , Seong Gyu Jang , Chung Hoon Lee , Dae Sung Cho
IPC分类号： H01L25/13 , H01L25/075 , H01L33/00 , H01L27/15 , H01L33/40 , H01L33/50 , H01L33/62 , H01L33/38
摘要： 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：US11257798B2
公开(公告)日：2022-02-22
申请号：US16200036
申请日：2018-11-26
发明人： Jong Hyeon Chae , Chang Yeon Kim , Ho Joon Lee , Seong Gyu Jang , Chung Hoon Lee , Dae Sung Cho
IPC分类号： H01L25/13 , H01L25/075 , H01L33/00 , H01L27/15 , H01L33/40 , H01L33/50 , H01L33/62 , H01L33/38
摘要： 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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10.发明申请公开(公告)号：US20200373284A1
公开(公告)日：2020-11-26
申请号：US16988272
申请日：2020-08-07
发明人： Seong Gyu Jang , Ho Joon Lee , Jong Hyeon Chae , Chung Hoon Lee
IPC分类号： H01L25/13 , H01L25/075 , H01L33/38 , H01L33/50 , H01L33/40
摘要： A light emitting diode pixel for a display including a first subpixel comprising a first LED sub-unit, a second subpixel comprising a second LED sub-unit, and a third subpixel comprising a third LED sub-unit, in which each of the first, second, and third LED sub-units includes a first type of semiconductor layer and a second type of semiconductor layer, and the first, second, and third LED sub-units are separated from each other in a first direction, disposed at different planes from each other, and do not overlap each other in the first direction.
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