Patents by Inventor Bang Hyun Kim

Bang Hyun Kim 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).

  • Publication number: 20240088326
    Abstract: A light device including a substrate, and first and second light emitters spaced apart from each other, and a power source to control the first light emitter and the second light emitter, in which the first and second light emitters include a light emitting region, a wavelength conversion layer disposed on the light emitting region, and a lateral reflection layer covering a region of a side of the light emitting region and the wavelength conversion layer, the first light emitter and the second light emitter are configured to output the same or different magnitudes of power by receiving the same or different magnitudes of current, the first and second light emitters are respectively configured to emit first light and second light, the first light emitter is electrically connected to the second light emitter through a common electrode.
    Type: Application
    Filed: October 30, 2023
    Publication date: March 14, 2024
    Inventors: Bang Hyun KIM, Young-Hye Seo, Jae Ho Lee, Jong Min Lee, Seoung Ho Jung, Eui Sung Jeong
  • Publication number: 20230369548
    Abstract: A light emitting module including a substrate, a first light emitter and a second light emitter disposed on the substrate and spaced apart from each other, an isolation layer disposed between the first and second light emitters, and a light diffusion layer and a wavelength converter disposed on the first and second light emitters, in which the first and second light emitters include first and second light emitting regions spaced apart from each other, respectively, the wavelength converter includes a first wavelength conversion layer covering the second light emitting region, and a second wavelength conversion layer covering the first light emitting region, the light diffusion layer covers an upper surface of the first and second wavelength conversion layers, and a region between the first and second wavelength conversion layers has an area vertically overlapped with the isolation layer.
    Type: Application
    Filed: July 25, 2023
    Publication date: November 16, 2023
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Jong Min LEE, Bang Hyun KIM, Jae Ho LEE
  • Patent number: 11804571
    Abstract: A light emitting device including a substrate, a light emitting structure disposed on the substrate and having a first light emitting region, a second light emitting region, and a third light emitting region, and an insulation layer to block unintended electrical connection between the first light emitting region and the second light emitting region, or between the second light emitting region and the third light emitting region, in which each of the first light emitting region, the second light emitting region, and the third light emitting region comprises a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, and a center of the first light emitting region overlaps a center of the second light emitting region and a center of the third light emitting region.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: October 31, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Bang Hyun Kim, Young Hye Seo, Jae Ho Lee, Jong Min Lee, Seoung Ho Jung, Eui Sung Jeong
  • Publication number: 20230299243
    Abstract: A light emitting module including a substrate, a first light emitter and a second light emitter disposed on the substrate and spaced apart from each other, an isolation layer disposed between the first and second light emitters, and a light diffusion layer and a wavelength converter disposed on the first and second light emitters, in which the first and second light emitters include first and second light emitting regions spaced apart from each other, respectively, the wavelength converter includes a first wavelength conversion layer covering the second light emitting region, and a second wavelength conversion layer covering the first light emitting region, the light diffusion layer covers an upper surface of the first and second wavelength conversion layers, and a region between the first and second wavelength conversion layers has an area vertically overlapped with the isolation layer.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Inventors: Jong Min LEE, Bang Hyun KIM, Jae Ho LEE
  • Patent number: 11688836
    Abstract: A light emitting module including a substrate, a first light emitting part disposed on the substrate, and a second light emitting part disposed on the substrate and spaced apart from the first light emitting part by an isolation trench between the first and the second light emitting parts, in which the first light emitting part and the second light emitting part include a first light emitting region and a second light emitting region, respectively, the second light emitting region being spaced apart from the first light emitting region, each of the first and second light emitting parts further includes a wavelength conversion layer covering the first and second light emitting regions, the wavelength conversion layers further include a barrier layer, and the isolation trench and the barrier layer vertically overlap each other on the base substrate.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: June 27, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jong Min Lee, Bang Hyun Kim, Jae Ho Lee
  • Publication number: 20220109088
    Abstract: A light emitting module including a substrate, a first light emitting part disposed on the substrate, and a second light emitting part disposed on the substrate and spaced apart from the first light emitting part by an isolation trench between the first and the second light emitting parts, in which the first light emitting part and the second light emitting part include a first light emitting region and a second light emitting region, respectively, the second light emitting region being spaced apart from the first light emitting region, each of the first and second light emitting parts further includes a wavelength conversion layer covering the first and second light emitting regions, the wavelength conversion layers further include a barrier layer, and the isolation trench and the barrier layer vertically overlap each other on the base substrate.
    Type: Application
    Filed: October 19, 2021
    Publication date: April 7, 2022
    Inventors: Jong Min Lee, Bang Hyun Kim, Jae Ho Lee
  • Patent number: 11171264
    Abstract: A light emitting module including a base substrate, a first light emitting diode disposed on the base substrate, and a second light emitting diode disposed on the base substrate and spaced apart from the first light emitting diode, in which each of the first light emitting diode and the second light emitting diode includes a first light emitting region and a second light emitting region, the second light emitting region being spaced apart from the first light emitting region and surrounding the first light emitting region.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: November 9, 2021
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jong Min Lee, Bang Hyun Kim, Jae Ho Lee
  • Publication number: 20210242366
    Abstract: A light emitting device including a substrate, a light emitting structure disposed on the substrate and having a first light emitting region, a second light emitting region, and a third light emitting region, and an insulation layer to block unintended electrical connection between the first light emitting region and the second light emitting region, or between the second light emitting region and the third light emitting region, in which each of the first light emitting region, the second light emitting region, and the third light emitting region comprises a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, and a center of the first light emitting region overlaps a center of the second light emitting region and a center of the third light emitting region.
    Type: Application
    Filed: April 19, 2021
    Publication date: August 5, 2021
    Inventors: Bang Hyun KIM, Young Hye Seo, Jae Ho Lee, Jong Min Lee, Seoung Ho Jung, Eui Sung Jeong
  • Patent number: 11005006
    Abstract: A light emitting diode including a first light emitting region, and a second light emitting region spaced apart from and surrounding the first light emitting region, in which the first light emitting region and the second light emitting region are configured to be independently operated.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: May 11, 2021
    Inventors: Bang Hyun Kim, Young Hye Seo, Jae Ho Lee, Jong Min Lee, Seoung Ho Jung, Eui Sung Jeong
  • Publication number: 20200066944
    Abstract: A light emitting module including a base substrate, a first light emitting diode disposed on the base substrate, and a second light emitting diode disposed on the base substrate and spaced apart from the first light emitting diode, in which each of the first light emitting diode and the second light emitting diode includes a first light emitting region and a second light emitting region, the second light emitting region being spaced apart from the first light emitting region and surrounding the first light emitting region.
    Type: Application
    Filed: March 19, 2018
    Publication date: February 27, 2020
    Inventors: Jong Min LEE, Bang Hyun KIM, Jae Ho LEE
  • Publication number: 20190363230
    Abstract: A light emitting diode including a first light emitting region, and a second light emitting region spaced apart from and surrounding the first light emitting region, in which the first light emitting region and the second light emitting region are configured to be independently operated.
    Type: Application
    Filed: August 8, 2019
    Publication date: November 28, 2019
    Inventors: Bang Hyun KIM, Young Hye SEO, Jae Ho LEE, Jong Min LEE, Seoung Ho JUNG, Eui Sung JEONG
  • Publication number: 20180340672
    Abstract: A lens including an upper surface having a curved portion having a changing curvature in a direction extending away from a central axis of the lens, and a lower surface having a concave portion disposed on the central axis of the lens. The concave portion of the lower surface includes an entrance disposed on a lower region of the concave portion and configured to receive light emitted from a light-emitting diode chip, and an upper end surface disposed on an upper region of the concave portion. The concave portion includes a width that narrows in a direction extending away from the entrance. The upper end surface is nonplanar.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 29, 2018
    Inventors: Eun Ju KIM, Bang Hyun KIM, Young Eun YANG
  • Patent number: 10134967
    Abstract: A light-emitting device includes first and second lead frames spaced apart from each other, the first and second lead frames each including a top surface, an opposing bottom surface, and sidewalls arranged between the top surface and the bottom surface thereof, in which at least one of the first and second lead frames include three inset sidewalls that at least partially define a fixing space, the fixing space undercutting at least one of the first lead frame and second lead frame, a light-emitting diode chip disposed on the top surface of the first or second lead frame, and the top surfaces of the first and second lead frames are substantially flat.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: November 20, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Eun Jung Seo, Jae Ho Cho, Bang Hyun Kim
  • Patent number: 10060579
    Abstract: A light emitting module includes a light emitting diode chip and a lens. The lens includes a lower surface having a concave portion. The lens also includes an upper surface from which light incident on the concave portion is emitted. The upper surface of the lens includes a concave surface positioned in a central axis thereof. The concave portion of the lower surface includes at least one of a surface perpendicular to the central axis and a downwardly convex surface. At least one of the surface perpendicular to the central axis and the downwardly convex surface is positioned in a region narrower than an entrance region of the concave portion.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: August 28, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Eun Ju Kim, Bang Hyun Kim, Young Eun Yang
  • Patent number: 10047930
    Abstract: A lens including an upper surface having a curved portion having a changing curvature in a direction extending away from a central axis of the lens, and a lower surface having a concave portion disposed on the central axis of the lens. The concave portion of the lower surface includes an entrance disposed on a lower region of the concave portion and configured to receive light emitted from a light-emitting diode chip, and an upper end surface disposed on an upper region of the concave portion. The concave portion includes a width that narrows in a direction extending away from the entrance. The upper end surface is nonplanar.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: August 14, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Eun Ju Kim, Bang Hyun Kim, Young Eun Yang
  • Patent number: 10043955
    Abstract: A light-emitting diode (LED) includes a substrate, a semiconductor stacked structure disposed on the substrate, the semiconductor stacked structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, a wavelength converting layer configured to convert a wavelength of light emitted from the semiconductor stacked structure, the wavelength converting layer covering side surfaces of the substrate and the semiconductor stacked structure, and a distributed Bragg reflector (DBR) configured to reflect at least a portion of light wavelength-converted by the wavelength converting layer, in which at least a portion of the DBR is covered with a metal layer configured to reflect light transmitted through the DBR.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: August 7, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jung Hwa Jung, Bang Hyun Kim
  • Patent number: 9929330
    Abstract: A light emitting diode (LED) package includes an LED chip, a first lead frame and a second lead frame electrically connected to the LED chip and separated by a space, and a housing disposed on the first lead frame and the second lead frame. The housing includes an external housing surrounding a cavity, the cavity exposing a first portion of the first lead frame and a first portion of the second lead frame, and an internal housing disposed in the space, the internal housing covering a top portion of the first lead frame and a top portion of the second lead frame.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: March 27, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Bang Hyun Kim
  • Publication number: 20180006198
    Abstract: A light-emitting diode (LED) includes a substrate, a semiconductor stacked structure disposed on the substrate, the semiconductor stacked structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, a wavelength converting layer configured to convert a wavelength of light emitted from the semiconductor stacked structure, the wavelength converting layer covering side surfaces of the substrate and the semiconductor stacked structure, and a distributed Bragg reflector (DBR) configured to reflect at least a portion of light wavelength-converted by the wavelength converting layer, in which at least a portion of the DBR is covered with a metal layer configured to reflect light transmitted through the DBR.
    Type: Application
    Filed: September 13, 2017
    Publication date: January 4, 2018
    Inventors: Jung Hwa JUNG, Bang Hyun KIM
  • Patent number: 9793448
    Abstract: A light-emitting diode (LED) includes a substrate, a semiconductor stacked structure disposed on the substrate, the semiconductor stacked structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, a wavelength converting layer configured to convert a wavelength of light emitted from the semiconductor stacked structure, the wavelength converting layer covering side surfaces of the substrate and the semiconductor stacked structure, and a distributed Bragg reflector (DBR) configured to reflect at least a portion of light wavelength-converted by the wavelength converting layer, in which at least a portion of the DBR is covered with a metal layer configured to reflect light transmitted through the DBR.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: October 17, 2017
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jung Hwa Jung, Bang Hyun Kim
  • Patent number: 9698319
    Abstract: A light emitting diode (LED) package according to an exemplary embodiment of the present invention includes a base including a first lead terminal and a second lead terminal, an LED chip disposed on the base, a housing disposed on the base, the housing having a cavity in which the LED chip is disposed, and an encapsulation member having a side surface contacting the housing. The first lead terminal and the second lead terminal each have a first surface and a second surface opposite the first surface, and have an unbent form, respectively. The second surface is exposed to the outside of the LED package.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: July 4, 2017
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Chung Hoon Lee, Yoon Hee Kim, Byung Yeol Park, Bang Hyun Kim, Eun Jung Seo, Hyouk Won Kwon