Patents by Inventor Hyoung Jin Lim
Hyoung Jin Lim 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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Publication number: 20240055563Abstract: A chip-scale package type light emitting diode includes a first conductivity type semiconductor layer, a mesa, a second conductivity type semiconductor layer, a transparent conductive oxide layer, a dielectric layer, a lower insulation layer, a first pad metal layer, and a second pad metal layer, an upper insulation layer. The upper insulation layer covers the first pad metal layer and the second pad metal layer, and includes a first opening exposing the first pad metal layer and a second opening exposing the second pad metal layer. The openings of the dielectric layer include openings that have different sizes from one another.Type: ApplicationFiled: August 14, 2023Publication date: February 15, 2024Inventors: Jong Kyu KIM, Min Woo KANG, Se Hee OH, Hyoung Jin LIM
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Patent number: 11862455Abstract: A chip-scale package type light emitting diode includes a first conductivity type semiconductor layer, a mesa, a second conductivity type semiconductor layer, a transparent conductive oxide layer, a dielectric layer, a lower insulation layer, a first pad metal layer, and a second pad metal layer, an upper insulation layer. The upper insulation layer covers the first pad metal layer and the second pad metal layer, and includes a first opening exposing the first pad metal layer and a second opening exposing the second pad metal layer. The openings of the dielectric layer include openings that have different sizes from one another.Type: GrantFiled: January 11, 2023Date of Patent: January 2, 2024Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Kyu Kim, Min Woo Kang, Se Hee Oh, Hyoung Jin Lim
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Publication number: 20230299240Abstract: A chip-scale package type light emitting diode includes a first conductivity type semiconductor layer, a mesa, a second conductivity type semiconductor layer, a transparent conductive oxide layer, a dielectric layer, a lower insulation layer, a first pad metal layer, and a second pad metal layer, an upper insulation layer. The upper insulation layer covers the first pad metal layer and the second pad metal layer, and includes a first opening exposing the first pad metal layer and a second opening exposing the second pad metal layer. The openings of the dielectric layer include openings that have different sizes from one another.Type: ApplicationFiled: January 11, 2023Publication date: September 21, 2023Inventors: Jong Kyu KIM, Min Woo Kang, Se Hee Oh, Hyoung Jin Lim
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Patent number: 11557696Abstract: A chip-scale package type light emitting diode includes a first conductivity type semiconductor layer, a mesa, a second conductivity type semiconductor layer, a transparent conductive oxide layer, a dielectric layer, a lower insulation layer, a first pad metal layer, and a second pad metal layer, an upper insulation layer. The upper insulation layer covers the first pad metal layer and the second pad metal layer, and includes a first opening exposing the first pad metal layer and a second opening exposing the second pad metal layer. The openings of the dielectric layer include openings that have different sizes from one another.Type: GrantFiled: January 25, 2021Date of Patent: January 17, 2023Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Kyu Kim, Min Woo Kang, Se Hee Oh, Hyoung Jin Lim
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Publication number: 20220208851Abstract: A light-emitting element includes a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first contact electrode and a second contact electrode located on the light-emitting structure, and respectively making ohmic contact with the first conductive semiconductor layer and the second conductive semiconductor layer; an insulation layer for covering a part of the first contact electrode and the second contact electrode so as to insulate the first contact electrode and the second contact electrode; a first electrode pad and a second electrode pad electrically connected to each of the first contact electrode and the second contact electrode; and a radiation pad formed on the insulation layer, and radiating heat generated from the light-emitting structure.Type: ApplicationFiled: March 17, 2022Publication date: June 30, 2022Inventors: Jong Kyu KIM, So Ra LEE, Yeo Jin YOON, Jae Kwon KIM, Joon Sup LEE, Min Woo KANG, Se Hee OH, Hyun A. KIM, Hyoung Jin LIM
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Patent number: 11282892Abstract: A light-emitting element includes a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first contact electrode and a second contact electrode located on the light-emitting structure, and respectively making ohmic contact with the first conductive semiconductor layer and the second conductive semiconductor layer; an insulation layer for covering a part of the first contact electrode and the second contact electrode so as to insulate the first contact electrode and the second contact electrode; a first electrode pad and a second electrode pad electrically connected to each of the first contact electrode and the second contact electrode; and a radiation pad formed on the insulation layer, and radiating heat generated from the light-emitting structure.Type: GrantFiled: October 7, 2019Date of Patent: March 22, 2022Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Kyu Kim, So Ra Lee, Yeo Jin Yoon, Jae Kwon Kim, Joon Sup Lee, Min Woo Kang, Se Hee Oh, Hyun A. Kim, Hyoung Jin Lim
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Publication number: 20210257528Abstract: A light emitting diode includes a first conductivity type semiconductor layer, a mesa with an active layer and a second conductivity type semiconductor layer disposed thereon, a first contact layer comprising an outer contact portion contacting the first conductivity type semiconductor layer near an edge thereof and an inner contact portion contacting the first conductivity type semiconductor layer in a region surrounded by the outer contact portion; a second contact layer disposed on the mesa and contacting the second conductivity type semiconductor layer; a first insulation layer covering the mesa, insulating the first contact layer, and exposing the first conductivity type semiconductor layer for the outer contact portion and the inner contact portion to contact the first conductivity type semiconductor layer, wherein the outer contact portion and the first insulation layer alternately contact the first conductivity type semiconductor layer along a side surface of the mesa.Type: ApplicationFiled: May 3, 2021Publication date: August 19, 2021Inventors: Se Hee OH, Hyun A KIM, Jong Kyu KIM, Hyoung Jin LIM
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Publication number: 20210151628Abstract: A chip-scale package type light emitting diode includes a first conductivity type semiconductor layer, a mesa, a second conductivity type semiconductor layer, a transparent conductive oxide layer, a dielectric layer, a lower insulation layer, a first pad metal layer, and a second pad metal layer, an upper insulation layer. The upper insulation layer covers the first pad metal layer and the second pad metal layer, and includes a first opening exposing the first pad metal layer and a second opening exposing the second pad metal layer. The openings of the dielectric layer include openings that have different sizes from one another.Type: ApplicationFiled: January 25, 2021Publication date: May 20, 2021Applicant: SEOUL VIOSYS CO., LTD.Inventors: Jong Kyu KIM, Min Woo KANG, Se Hee OH, Hyoung Jin LIM
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Patent number: 10998469Abstract: A chip-scale package type light emitting diode includes: a first conductivity type semiconductor layer, a mesa, a second conductivity type semiconductor layer, a transparent conductive oxide layer, a dielectric layer, a lower insulation layer, a first pad metal layer, and a second pad metal layer, an upper insulation layer. The upper insulation layer covers the first pad metal layer and the second pad metal layer, and includes a first opening exposing the first pad metal layer and a second opening exposing the second pad metal layer, in which the openings of the dielectric layer include a narrow and elongated bar-shaped opening adjacent to at least one of the first openings of the lower insulation layer.Type: GrantFiled: May 28, 2020Date of Patent: May 4, 2021Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Kyu Kim, Min Woo Kang, Se Hee Oh, Hyoung Jin Lim
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Patent number: 10998479Abstract: A light emitting diode includes a first light emitting cell and a second light emitting cell comprising an n-type semiconductor layer, and a p-type semiconductor layer, respectively; reflection structures contacting the p-type semiconductor layers; a first contact layer in ohmic contact with the n-type semiconductor layer of the first light emitting cell; a second contact layer in ohmic contact with the n-type semiconductor layer of the second light emitting cell and connected to the reflection structure on the first light emitting cell. An n-electrode pad is connected to the first contact layer; and a p-electrode pad is connected to the reflection structure on the second light emitting cell. The first light emitting cell and the second light emitting cell are isolated from each other, and their outer side surfaces are inclined steeper than the inner sides. Therefore, a forward voltage may be lowered and light output may be improved.Type: GrantFiled: October 12, 2018Date of Patent: May 4, 2021Assignee: Seoul Viosys Co., Ltd.Inventors: Se Hee Oh, Hyun A Kim, Jong Kyu Kim, Hyoung Jin Lim
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Patent number: 10985304Abstract: A light emitting diode including a first semiconductor layer, a mesa disposed thereon and including a second semiconductor layer and an active layer, an ohmic reflection layer disposed on the mesa to form an ohmic contact with the second semiconductor layer, a lower insulation layer covering the mesa and the ohmic reflection layer and partially exposing the first semiconductor layer and the ohmic reflection layer, a first pad metal layer disposed on the lower insulation layer and electrically connected to the first semiconductor layer, a metal reflection layer disposed on the lower insulation layer and laterally spaced apart from the first pad metal layer, and an upper insulation layer covering the first pad metal layer and the metal reflection layer, and having a first opening exposing the first pad metal layer, in which at least a portion of the metal reflection layer covers a side surface of the mesa.Type: GrantFiled: October 11, 2017Date of Patent: April 20, 2021Assignee: Seoul Viosys Co., Ltd.Inventors: Se Hee Oh, Hyun A Kim, Joon Sup Lee, Min Woo Kang, Hyoung Jin Lim
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Publication number: 20200295229Abstract: A chip-scale package type light emitting diode includes: a first conductivity type semiconductor layer, a mesa, a second conductivity type semiconductor layer, a transparent conductive oxide layer, a dielectric layer, a lower insulation layer, a first pad metal layer, and a second pad metal layer, an upper insulation layer. The upper insulation layer covers the first pad metal layer and the second pad metal layer, and includes a first opening exposing the first pad metal layer and a second opening exposing the second pad metal layer, in which the openings of the dielectric layer include a narrow and elongated bar-shaped opening adjacent to at least one of the first openings of the lower insulation layer.Type: ApplicationFiled: May 28, 2020Publication date: September 17, 2020Applicant: SEOUL VIOSYS CO., LTD.Inventors: Jong Kyu KIM, Min Woo KANG, Se Hee OH, Hyoung Jin LIM
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Patent number: 10593850Abstract: A method for manufacturing a light emitting diode package comprises: arranging a first solder and a second solder between a substrate and a light emitting diode; and subjecting the first solder and the second solder to heat treatment to bond the substrate and the light emitting diode. The heat treatment comprises: increasing the temperature of the first and second solders from room temperature to a temperature Tp; maintaining the temperature Tp; and lowering the temperature Tp. The heating step comprises: a first ramping step of increasing a temperature from room temperature to a temperature TA at a constant speed; a pre-heating step of increasing the temperature from the temperature TA to a temperature TB to impart fluidity to the first and second solders; and a second ramping step of increasing the temperature from the TB to TL at a constant speed.Type: GrantFiled: January 11, 2018Date of Patent: March 17, 2020Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Hyeon Chae, Yeon Cheol Cho, Cun Bok Jeong, Hyoung Jin Lim
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Publication number: 20200035751Abstract: A light-emitting element includes a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first contact electrode and a second contact electrode located on the light-emitting structure, and respectively making ohmic contact with the first conductive semiconductor layer and the second conductive semiconductor layer; an insulation layer for covering a part of the first contact electrode and the second contact electrode so as to insulate the first contact electrode and the second contact electrode; a first electrode pad and a second electrode pad electrically connected to each of the first contact electrode and the second contact electrode; and a radiation pad formed on the insulation layer, and radiating heat generated from the light-emitting structure.Type: ApplicationFiled: October 7, 2019Publication date: January 30, 2020Inventors: Jong Kyu KIM, So Ra LEE, Yeo Jin YOON, Jae Kwon KIM, Joon Sup LEE, Min Woo KANG, Se Hee OH, Hyun A. KIM, Hyoung Jin LIM
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Patent number: 10535803Abstract: A light-emitting diode includes, a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer. The light-emitting diode also includes a transparent conductive layer including a first transparent conductive layer disposed on the second semiconductor layer and a second transparent conductive layer disposed on the first transparent conductive layer. The second transparent conductive layer has a conductivity different than the first transparent conductive layer.Type: GrantFiled: June 12, 2018Date of Patent: January 14, 2020Assignee: Seoul Semiconductor Co., Ltd.Inventors: Chan Seob Shin, Hyoung Jin Lim, Kyoung Wan Kim, Yeo Jin Yoon, Jacob J Richardson, Daniel Estrada, Evan C. O'Hara, Haoran Shi
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Patent number: 10438992Abstract: A light-emitting element includes a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first contact electrode and a second contact electrode located on the light-emitting structure, and respectively making ohmic contact with the first conductive semiconductor layer and the second conductive semiconductor layer; an insulation layer for covering a part of the first contact electrode and the second contact electrode so as to insulate the first contact electrode and the second contact electrode; a first electrode pad and a second electrode pad electrically connected to each of the first contact electrode and the second contact electrode; and a radiation pad formed on the insulation layer, and radiating heat generated from the light-emitting structure.Type: GrantFiled: January 18, 2017Date of Patent: October 8, 2019Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Kyu Kim, So Ra Lee, Yeo Jin Yoon, Jae Kwon Kim, Joon Sup Lee, Min Woo Kang, Se Hee Oh, Hyun A Kim, Hyoung Jin Lim
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Publication number: 20190296204Abstract: A light emitting diode including a first semiconductor layer, a mesa disposed thereon and including a second semiconductor layer and an active layer, an ohmic reflection layer disposed on the mesa to form an ohmic contact with the second semiconductor layer, a lower insulation layer covering the mesa and the ohmic reflection layer and partially exposing the first semiconductor layer and the ohmic reflection layer, a first pad metal layer disposed on the lower insulation layer and electrically connected to the first semiconductor layer, a metal reflection layer disposed on the lower insulation layer and laterally spaced apart from the first pad metal layer, and an upper insulation layer covering the first pad metal layer and the metal reflection layer, and having a first opening exposing the first pad metal layer, in which at least a portion of the metal reflection layer covers a side surface of the mesa.Type: ApplicationFiled: October 11, 2017Publication date: September 26, 2019Inventors: Se Hee OH, Hyun A KIM, Joon Sup LEE, Min Woo KANG, Hyoung Jin LIM
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Publication number: 20190051805Abstract: A light emitting diode includes a first light emitting cell and a second light emitting cell comprising an n-type semiconductor layer, and a p-type semiconductor layer, respectively; reflection structures contacting the p-type semiconductor layers; a first contact layer in ohmic contact with the n-type semiconductor layer of the first light emitting cell; a second contact layer in ohmic contact with the n-type semiconductor layer of the second light emitting cell and connected to the reflection structure on the first light emitting cell. An n-electrode pad is connected to the first contact layer; and a p-electrode pad is connected to the reflection structure on the second light emitting cell. The first light emitting cell and the second light emitting cell are isolated from each other, and their outer side surfaces are inclined steeper than the inner sides. Therefore, a forward voltage may be lowered and light output may be improved.Type: ApplicationFiled: October 12, 2018Publication date: February 14, 2019Inventors: Se Hee OH, Hyun A KIM, Jong Kyu KIM, Hyoung Jin LIM
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Publication number: 20180294384Abstract: A light-emitting diode includes, a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer. The light-emitting diode also includes a transparent conductive layer including a first transparent conductive layer disposed on the second semiconductor layer and a second transparent conductive layer disposed on the first transparent conductive layer. The second transparent conductive layer has a conductivity different than the first transparent conductive layer.Type: ApplicationFiled: June 12, 2018Publication date: October 11, 2018Inventors: Chan Seob SHIN, Hyoung Jin LIM, Kyoung Wan KIM, Yeo Jin YOON, Jacob J RICHARDSON, Daniel ESTRADA, Evan C. O'HARA, Haoran SHI
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Patent number: 10020425Abstract: A light-emitting diode includes, a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer. The light-emitting diode also includes a transparent conductive layer including a first transparent conductive layer disposed on the second semiconductor layer and a second transparent conductive layer disposed on the first transparent conductive layer. The second transparent conductive layer has a conductivity different than the first transparent conductive layer.Type: GrantFiled: September 25, 2013Date of Patent: July 10, 2018Assignee: Seoul Semiconductor Co., Ltd.Inventors: Chan Seob Shin, Hyoung Jin Lim, Kyoung Wan Kim, Yeo Jin Yoon, Jacob J Richardson, Daniel Estrada, Evan C. O'Hara, Haoran Shi