Patents by Inventor Geun-woo KO
Geun-woo KO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12046627Abstract: A semiconductor light-emitting device includes a plurality of light-emitting device structures separated from each other and arranged in a matrix form. A pad region at least partially surrounds the plurality of light-emitting device structures. The pad region is disposed outside of the plurality of light-emitting device structures. A partition structure is disposed on a first surface of the plurality of light-emitting device structures and is further disposed between adjacent light-emitting device structures of the plurality of light-emitting device structures. The partition structure defines a plurality of pixel spaces within the plurality of light-emitting device structures. A fluorescent layer is disposed on the first surface of the plurality of light-emitting device structures and fills each of the plurality of pixel spaces.Type: GrantFiled: April 12, 2022Date of Patent: July 23, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong-Min Kwon, Geun-Woo Ko, Jung-Wook Lee, Jong-Hyun Lee, Pun-Jae Choi
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Publication number: 20230215988Abstract: A semiconductor light emitting device includes a first conductivity type semiconductor, an active layer on the first conductivity type semiconductor, a second conductivity type semiconductor on the active layer, an electrode layer on the second conductivity type semiconductor, and a passivation layer covering at least side surfaces of the first conductivity type semiconductor, the active layer, the second conductivity type semiconductor, and the electrode layer. The angle between the lower surface and the side surface of the electrode layer is about 45° or more and about 90° or less. The passivation layer includes a first portion disposed on a side surface of the first conductivity type semiconductor and having a first thickness, and a second portion on a side surface of the electrode layer and having a second thickness different from the first thickness.Type: ApplicationFiled: December 13, 2022Publication date: July 6, 2023Inventors: Tae Hun KIM, Geun Woo KO, Ha Nul YOO, Gyeong Seon PARK, Tae Sung JANG
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Patent number: 11592155Abstract: A light-emitting device includes an emission array including a plurality of light-emitting elements and a partition wall. The emission array includes a first region and a second region adjacent to each other. The partition wall is configured to isolate the first region and the second region from each other, such that the partition wall at least partially defines the first region in the emission array. The first region is associated with a first emission factor and the second region is associated with a second emission factor, the second emission factor different from the first emission factor.Type: GrantFiled: July 12, 2021Date of Patent: February 28, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-min Kwon, Pun-jae Choi, Geun-woo Ko, Jong-hyun Lee
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Patent number: 11573006Abstract: A light source module including: a printed circuit board; a light emitting device mounted on the printed circuit board and including a plurality of subarrays each of the plurality of subarrays including a plurality of light emitting cells; and a plurality of driving chips mounted on the printed circuit board, wherein each of the plurality of driving chips respectively drives a corresponding one of the plurality of subarrays, wherein the plurality of subarrays are electrically isolated from each other.Type: GrantFiled: April 15, 2022Date of Patent: February 7, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Geun-woo Ko, Seung-woo Lee, Jun-ho Lee, Pun-jae Choi
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Publication number: 20220243906Abstract: A light source module including: a printed circuit board; a light emitting device mounted on the printed circuit board and including a plurality of subarrays each of the plurality of subarrays including a plurality of light emitting cells; and a plurality of driving chips mounted on the printed circuit board, wherein each of the plurality of driving chips respectively drives a corresponding one of the plurality of subarrays, wherein the plurality of subarrays are electrically isolated from each other.Type: ApplicationFiled: April 15, 2022Publication date: August 4, 2022Inventors: Geun-woo KO, Seung-woo Lee, Jun-ho Lee, Pun-jae Choi
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Publication number: 20220238597Abstract: A semiconductor light-emitting device includes a plurality of light-emitting device structures separated from each other and arranged in a matrix form. A pad region at least partially surrounds the plurality of light-emitting device structures. The pad region is disposed outside of the plurality of light-emitting device structures. A partition structure is disposed on a first surface of the plurality of light-emitting device structures and is further disposed between adjacent light-emitting device structures of the plurality of light-emitting device structures. The partition structure defines a plurality of pixel spaces within the plurality of light-emitting device structures. A fluorescent layer is disposed on the first surface of the plurality of light-emitting device structures and fills each of the plurality of pixel spaces.Type: ApplicationFiled: April 12, 2022Publication date: July 28, 2022Inventors: YONG-MIN KWON, Geun-Woo Ko, Jung-Wook Lee, Jong-Hyun Lee, Pun-Jae Choi
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Patent number: 11306908Abstract: A light source module including: a printed circuit board; a light emitting device mounted on the printed circuit board and including a plurality of subarrays each of the plurality of subarrays including a plurality of light emitting cells; and a plurality of driving chips mounted on the printed circuit board, wherein each of the plurality of driving chips respectively drives a corresponding one of the plurality of subarrays, wherein the plurality of subarrays are electrically isolated from each other.Type: GrantFiled: July 8, 2019Date of Patent: April 19, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Geun-woo Ko, Seung-woo Lee, Jun-ho Lee, Pun-jae Choi
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Patent number: 11302743Abstract: A semiconductor light-emitting device includes a plurality of light-emitting device structures separated from each other and arranged in a matrix form. A pad region at least partially surrounds the plurality of light-emitting device structures. The pad region is disposed outside of the plurality of light-emitting device structures. A partition structure is disposed on a first surface of the plurality of light-emitting device structures and is further disposed between adjacent light-emitting device structures of the plurality of light-emitting device structures. The partition structure defines a plurality of pixel spaces within the plurality of light-emitting device structures. A fluorescent layer is disposed on the first surface of the plurality of light-emitting device structures and fills each of the plurality of pixel spaces.Type: GrantFiled: March 1, 2019Date of Patent: April 12, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong-Min Kwon, Geun-Woo Ko, Jung-Wook Lee, Jong-Hyun Lee, Pun-Jae Choi
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Publication number: 20210341125Abstract: A light-emitting device includes an emission array including a plurality of light-emitting elements and a partition wall. The emission array includes a first region and a second region adjacent to each other. The partition wall is configured to isolate the first region and the second region from each other, such that the partition wall at least partially defines the first region in the emission array. The first region is associated with a first emission factor and the second region is associated with a second emission factor, the second emission factor different from the first emission factor.Type: ApplicationFiled: July 12, 2021Publication date: November 4, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Yong-min KWON, Pun-jae CHOI, Geun-woo KO, Jong-hyun LEE
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Patent number: 11060689Abstract: A light-emitting device includes an emission array including a plurality of light-emitting elements and a partition wall. The emission array includes a first region and a second region adjacent to each other. The partition wall is configured to isolate the first region and the second region from each other, such that the partition wall at least partially defines the first region in the emission array. The first region is associated with a first emission factor and the second region is associated with a second emission factor, the second emission factor different from the first emission factor.Type: GrantFiled: June 27, 2019Date of Patent: July 13, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-min Kwon, Pun-jae Choi, Geun-woo Ko, Jong-hyun Lee
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Publication number: 20200025351Abstract: A light-emitting device includes an emission array including a plurality of light-emitting elements and a partition wall. The emission array includes a first region and a second region adjacent to each other. The partition wall is configured to isolate the first region and the second region from each other, such that the partition wall at least partially defines the first region in the emission array. The first region is associated with a first emission factor and the second region is associated with a second emission factor, the second emission factor different from the first emission factor.Type: ApplicationFiled: June 27, 2019Publication date: January 23, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Yong-min KWON, Pun-jae CHOI, Geun-woo KO, Jong-hyun LEE
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Publication number: 20200011518Abstract: A light source module including: a printed circuit board; a light emitting device mounted on the printed circuit board and including a plurality of subarrays each of the plurality of subarrays including a plurality of light emitting cells; and a plurality of driving chips mounted on the printed circuit board, wherein each of the plurality of driving chips respectively drives a corresponding one of the plurality of subarrays, wherein the plurality of subarrays are electrically isolated from each other.Type: ApplicationFiled: July 8, 2019Publication date: January 9, 2020Inventors: Geun-woo Ko, Seung-woo Lee, Jun-ho Lee, Pun-jae Choi
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Publication number: 20190326349Abstract: A semiconductor light-emitting device includes a plurality of light-emitting device structures separated from each other and arranged in a matrix form. A pad region at least partially surrounds the plurality of light-emitting device structures. The pad region is disposed outside of the plurality of light-emitting device structures. A partition structure is disposed on a first surface of the plurality of light-emitting device structures and is further disposed between adjacent light-emitting device structures of the plurality of light-emitting device structures. The partition structure defines a plurality of pixel spaces within the plurality of light-emitting device structures. A fluorescent layer is disposed on the first surface of the plurality of light-emitting device structures and fills each of the plurality of pixel spaces.Type: ApplicationFiled: March 1, 2019Publication date: October 24, 2019Inventors: YONG-MIN KWON, GEUN-WOO KO, JUNG-WOOK LEE, JONG-HYUN LEE, PUN-JAE CHOI
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Patent number: 10256218Abstract: A light emitting device package includes: a plurality of light emitting chips configured to emit respective wavelength lights, each chip comprising electrodes at a bottom of the chip to form a flip-chip structure; a plurality of wirings directly connected to the electrodes of the chips, respectively; a plurality of electrode pads disposed below the chips and directly connected to the wirings, respectively; and a molding member integrally formed in a single layer structure to cover upper surfaces and side surfaces of the chips, and including a translucent material having a predetermined transmittance, wherein the wirings are disposed below a lower surface of the molding member.Type: GrantFiled: March 30, 2018Date of Patent: April 9, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung Jun Kim, Yong Min Kwon, Geun Woo Ko, Pun Jae Choi, Dong Ho Kim
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Publication number: 20190067538Abstract: A light-emitting package includes a light-emitting structure having a first surface and a second surface opposite to the first surface. The light-emitting package further includes an electrode layer disposed on the first surface and an insulating layer disposed on the light-emitting structure and the electrode layer. The light-emitting package additionally includes an interconnection conductive layer penetrating the insulating layer and connected to the electrode layer and a reflective layer disposed between the insulating layer and the interconnection conductive layer. The reflective layer reflects light generated from the light-emitting structure in a direction toward the second surface.Type: ApplicationFiled: March 19, 2018Publication date: February 28, 2019Inventors: Jung-wook LEE, Geun-woo KO, Pun-jae CHOI, Jae-ho Han
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Publication number: 20190019780Abstract: A light emitting device package includes: a plurality of light emitting chips configured to emit respective wavelength lights, each chip comprising electrodes at a bottom of the chip to form a flip-chip structure; a plurality of wirings directly connected to the electrodes of the chips, respectively; a plurality of electrode pads disposed below the chips and directly connected to the wirings, respectively; and a molding member integrally formed in a single layer structure to cover upper surfaces and side surfaces of the chips, and including a translucent material having a predetermined transmittance, wherein the wirings are disposed below a lower surface of the molding member.Type: ApplicationFiled: March 30, 2018Publication date: January 17, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung Jun KIM, Yong Min KWON, Geun Woo KO, Pun Jae CHOI, Dong Ho KIM
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Patent number: 9887332Abstract: A semiconductor light-emitting device package includes: a light-emitting structure having a first surface, a second surface opposite to the first surface and side surfaces disposed between the first and the second surfaces, the light-emitting structure comprising a first light-emitting laminate and a second light-emitting laminate, each of the first and the second light emitting laminates including: a first conductivity-type semiconductor layer; an active layer, and a second conductivity-type semiconductor layer, an interconnector provided on the second surface of the light-emitting structure and configured to electrically connect the first and the second light-emitting laminates; a metal guide surrounding the side surfaces of the light-emitting structure; and an encapsulant surrounding the metal guide and the second and the side surfaces of the light-emitting structure and exposing the first surface of the light-emitting structure.Type: GrantFiled: February 29, 2016Date of Patent: February 6, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Pun Jae Choi, Geun Woo Ko, Yong Min Kwon, Ah Young Woo, Jun Ho Lee, Jin Wook Chung
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Patent number: 9691954Abstract: A light-emitting diode (LED) package includes a light-emitting structure including a first conductive-type semiconductor layer, an active layer, and a second conductive-type semiconductor layer; an isolating insulation layer; a first connection electrode portion and a second connection electrode portion electrically connected to the first conductive-type semiconductor layer and the second conductive-type semiconductor layer, respectively; a first electrode pad and a second electrode pad electrically connected to the first connection electrode portion and the second connection electrode portion, respectively; a first molding resin layer provided between the first electrode pad and the second electrode pad; a first pillar electrode and a second pillar electrode electrically connected to the first electrode pad and the second electrode pad, respectively; and a second molding resin layer provided on the first molding resin layer, the first electrode pad, and the second electrode pad, and between the first pillarType: GrantFiled: May 24, 2016Date of Patent: June 27, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-kuk Lee, Si-han Kim, Hyung-kun Kim, Yong-min Kwon, Geun-woo Ko
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Publication number: 20170033268Abstract: A light-emitting diode (LED) package includes a light-emitting structure including a first conductive-type semiconductor layer, an active layer, and a second conductive-type semiconductor layer; an isolating insulation layer; a first connection electrode portion and a second connection electrode portion electrically connected to the first conductive-type semiconductor layer and the second conductive-type semiconductor layer, respectively; a first electrode pad and a second electrode pad electrically connected to the first connection electrode portion and the second connection electrode portion, respectively; a first molding resin layer provided between the first electrode pad and the second electrode pad; a first pillar electrode and a second pillar electrode electrically connected to the first electrode pad and the second electrode pad, respectively; and a second molding resin layer provided on the first molding resin layer, the first electrode pad, and the second electrode pad, and between the first pillarType: ApplicationFiled: May 24, 2016Publication date: February 2, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-kuk LEE, Si-han KIM, Hyung-kun KIM, Yong-min KWON, Geun-woo KO
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Patent number: 9559260Abstract: There is provided a semiconductor light emitting device 100 including a substructure 101, 120, 130 including at least one light emitting region R1 including a plurality of three-dimensional (3-D) light emitting nanostructures 140 and at least one electrode region R2, R3 including a plurality of locations CP2A, 17A, 17B, 18A, 18B wherein an arrangement of the plurality of three-dimensional (3-D) light emitting nanostructures 140 and the plurality of locations CP2A, 17A, 17B, 18A, 18B are identical.Type: GrantFiled: May 28, 2015Date of Patent: January 31, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong Kuk Lee, Geun Woo Ko, Geon-Wook Yoo, Nam Goo Cha