Patents by Inventor Dae Seob An

Dae Seob An 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).

  • Patent number: 10446715
    Abstract: Disclosed herein is a semiconductor device. The semiconductor device includes a substrate, a first conductive type semiconductor layer disposed over the substrate, an active layer disposed over the first conductive type semiconductor layer, and a second conductive type semiconductor layer disposed over the active layer. The first conductive type semiconductor layer includes a first layer, a second layer and a third layer having different composition ratios of indium (In). The first semiconductor layer is disposed close to the active layer. The second semiconductor layer is disposed under the first semiconductor layer. The third semiconductor layer is disposed under the second semiconductor layer. In content is reduced from the active layer to the third semiconductor layer, and In content of the third semiconductor layer may be 5% or more to 10% or less of that of the active layer.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: October 15, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kwang Sun Baek, Jong Ho Na, Dae Seob Han, Jung Hyun Hwang
  • Publication number: 20190259913
    Abstract: Disclosed herein is a semiconductor device. The semiconductor device includes a substrate, a first conductive type semiconductor layer disposed over the substrate, an active layer disposed over the first conductive type semiconductor layer, and a second conductive type semiconductor layer disposed over the active layer. The first conductive type semiconductor layer includes a first layer, a second layer and a third layer having different composition ratios of indium (In). The first semiconductor layer is disposed close to the active layer. The second semiconductor layer is disposed under the first semiconductor layer. The third semiconductor layer is disposed under the second semiconductor layer. In content is reduced from the active layer to the third semiconductor layer, and In content of the third semiconductor layer may be 5% or more to 10% or less of that of the active layer.
    Type: Application
    Filed: November 2, 2017
    Publication date: August 22, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Kwang Sun BAEK, Jong Ho NA, Dae Seob HAN, Jung Hyun HWANG
  • Publication number: 20190250363
    Abstract: A camera module includes a lens module including a lens barrel and a holder to hold the lens barrel, a heater to seal the lens module and including a first cutting portion having a D-shape, and a ring-shaped electrode portion including a second cutting portion having a D-shape and a third cutting portion having a D-shape. The electrode portion is coupled to two surfaces of the heater that are perpendicular to an optical axis direction to align the first cutting portion with the second cutting portion and the third cutting portion.
    Type: Application
    Filed: November 19, 2018
    Publication date: August 15, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Joo Young HA, Sang Hyo SEO, Dae Seob KIM, Cheong Hee LEE, Young Mi HAN
  • Patent number: 10366799
    Abstract: A transparent conductor, a method of manufacturing the same, and a display including the same, the transparent conductor including metal nanowires; and a matrix in which the metal nanowires are embedded, wherein a capping layer is formed on surfaces of the metal nanowires, the capping layer including a sulfur-containing compound, and the capping layer has a thickness of about 0.025 or less times an average diameter of the metal nanowires.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: July 30, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Do Young Kim, Kyoung Ku Kang, Dong Myeong Shin, Dae Seob Shim, Young Hoon Kim, Ji Hyeon Yim, Yong Un Jung, Oh Hyeon Hwang
  • Publication number: 20190137850
    Abstract: A camera module includes an upper housing coupled to a lower housing to form an inner space, a lens module provided in the inner space and including a heating element, and a substrate configured to supply power to the heating element, wherein the lens module includes an inner barrel comprising one or more lenses, an outer barrel which is coupled to a portion of the inner barrel in an optical axis direction, and a holder in which the outer barrel is fixed, wherein the substrate is fixed to a portion of the holder, wherein the heating element is disposed between the inner barrel and the outer barrel, and is connected to the substrate by a power connection line, and wherein the power connection line is connected to the substrate through a coupling hole in the holder.
    Type: Application
    Filed: September 20, 2018
    Publication date: May 9, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Joo Young HA, Sang Hyo SEO, Dae Seob KIM, Cheong Hee LEE
  • Publication number: 20180196172
    Abstract: A polarizing plate and a liquid crystal display including the same are provided. A polarizing plate includes a polarizing film and a contrast-improving optical film sequentially stacked in the stated order. The contrast-improving optical film includes a contrast-improving layer including a first resin layer and a second resin layer facing the first resin layer. The second resin layer includes a patterned portion having optical patterns and a flat section between the optical patterns. The second resin layer satisfies Equation 1, and the polarizing plate has a contrast ratio gain of about 1.00 or more, as represented by Equation 2.
    Type: Application
    Filed: January 8, 2018
    Publication date: July 12, 2018
    Inventors: Dae Seob SHIM, Young OH, Dong Ho WEE, Jeong Ho LEE, Yong Un JUNG, Jang Hyun CHO, Young Hyun JU
  • Patent number: 9842668
    Abstract: A composition for a transparent electrode according to the present invention comprises (A) a carbon nanotube dispersing solution and (B) a metal nanowire solution having a zeta potential with the same polarity as the carbon nanotube dispersing solution, and a transparent electrode coated with the composition for the transparent electrode has superior transmittance, electrical conductivity and transparency.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: December 12, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae Seob Shim, Young Sil Lee, Kyoung Tae Youm
  • Patent number: 9768346
    Abstract: A light-emitting device and a lighting system includes a first conductivity type semiconductor layer, a gallium nitride-based super lattice layer on the first conductivity type semiconductor layer, an active layer, on the gallium nitride-based super lattice layer, a second conductivity type gallium nitride-based layer on the active layer, and a second conductivity type semiconductor layer, on the second conductivity type gallium nitride-based layer. The second conductivity type gallium nitride-based layer can include a second conductivity type AlxGa(1?x)N/AlyGa(1?y)N, such as AlxGa(1?x)N/AlyGa(1?y)N, on the active layer.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: September 19, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dae Seob Han, Yong Tae Moon, Kwang Sun Baek, A Ra Cho
  • Patent number: 9754698
    Abstract: A transparent conductor, a method for preparing the same, and an optical display including the same, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the transparent conductor has a transmissive b* value of about 1.5 or less, and the matrix is prepared from a matrix composition including a tri-functional monomer and one of a penta-functional monomer or a hexa-functional monomer a base layer; and a conductive layer formed on the base layer and including metal nanowires and a matrix, wherein the transparent conductor has a transmissive b* value of about 1.5 or less, and the matrix is formed of a composition including a penta- or hexa-functional monomer and a tri-functional monomer.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Myeong Shin, Young Kwon Koo, Oh Hyeon Hwang, Kyoung Ku Kang, Do Young Kim, Dae Seob Shim
  • Patent number: 9674947
    Abstract: A transparent conductor, a method of fabricating the same, and an optical display, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the matrix is prepared from a matrix composition, the matrix composition including inorganic hollow particles, a fluorine-containing monomer, or a mixture thereof.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dae Seob Shim, Young Kwon Koo, Dong Myeong Shin, Do Sang Lee, Oh Hyeon Hwang, Kyoung Ku Kang
  • Publication number: 20170154698
    Abstract: A transparent conductor, a method of manufacturing the same, and a display including the same, the transparent conductor including metal nanowires; and a matrix in which the metal nanowires are embedded, wherein a capping layer is formed on surfaces of the metal nanowires, the capping layer including a sulfur-containing compound, and the capping layer has a thickness of about 0.025 or less times an average diameter of the metal nanowires.
    Type: Application
    Filed: November 17, 2016
    Publication date: June 1, 2017
    Inventors: Do Young KIM, Kyoung Ku KANG, Dong Myeong SHIN, Dae Seob SHIM, Young Hoon KIM, Ji Hyeon YIM, Yong Un JUNG, Oh Hyeon HWANG
  • Patent number: 9431575
    Abstract: The embodiment relates to a light-emitting device, a method of manufacturing the same, a light-emitting device package, and a lighting system. A light-emitting device according to the embodiment may include: a first conductive semiconductor layer; a gallium nitride-based superlattice layer on the first conductive semiconductor layer; an active layer on the gallium nitride-based superlattice layer; a second conductive gallium nitride-based layer on the active layer; and a second conductive semiconductor layer on the second conductive gallium nitride-based layer. The second conductive gallium nitride-based layer may include a second conductive GaN layer having a first concentration, a second conductive InxAlyGa(1-x-y)N (0<x<1, 0<y<1) layer having a second concentration and a second conductive AlzGa(1-z)N (0<z<1) layer having a third concentration on the active layer.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: August 30, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dae Seob Han, Yong Tae Moon, Kwang Sun Baek, A Ra Cho
  • Publication number: 20160198832
    Abstract: By manufacturing a nail Sticker with the steps of applying a first coating solution including a mixture of alkyl-methacrylate, hydroxyl methacrylate, and solvent, and a nitrocellulose on the base substrate, heat-treating the product, additionally applying a second coating solution that a nitrocellulose solution dissolved in solvent and a thermoplastic resin gel are mixed and stirred, and heat-treating the product, a nail sticker can be provided, which can be easily-attached to the nail, preserved for a long time, and the remaining portion of which can be easily removed.
    Type: Application
    Filed: August 28, 2014
    Publication date: July 14, 2016
    Inventor: Dae Seob SO
  • Patent number: 9337383
    Abstract: Disclosed is a light emitting device including a first conductive type semiconductor layer; a second conductive type semiconductor layer disposed on the first conductive type semiconductor layer; and an active layer disposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer, the active layer comprising quantum well layers and quantum barrier layers, wherein each of the quantum well barrier layers comprises first barrier layers and a second barrier layer disposed between the first barrier layers, and an energy bandgaps of the second barrier layer is larger than energy bandgaps of the quantum well layers and smaller than energy bandgaps of the first barrier layers.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: May 10, 2016
    Assignees: LG Innotek Co., Ltd., Industry-University Cooperation Foundation Hanyang University Erica Campus
    Inventors: Dae Seob Han, Yong Tae Moon, Jong-In Shim
  • Patent number: 9312433
    Abstract: Embodiments of the present invention include a light emitting element, a method for manufacturing the light-emitting element according to one embodiment of the present invention, comprises: a first conductive semiconductor layer 112; a GaN-based superlattice layer 124 on the first conductive semiconductor layer 112; an active layer 114 on the GaN-based superlattice layer 124; and a second conductive semiconductor layer 116 on the active layer 114, wherein the GaN-based superlattice layer 124 has a bandgap energy level that varies in a direction from the first conductive semiconductor layer 112 to the active layer 114.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: April 12, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dae Seob Han, Yong Tae Moon, A Ra Cho, Kwang Sun Baek
  • Publication number: 20160070307
    Abstract: An electronic information delivery system, and more particularly, an electronic information label attached to a shelf or the like to deliver information of merchandise displayed in a store is provided. An auxiliary electronic information label is connected to a connector of a main electronic information label. The auxiliary electronic information label includes segment electrodes formed as a circuit pattern on a flexible printed circuit board, and drives a flat panel display panel. One end of the flexible printed circuit board is connected to the connector of the main electronic information label.
    Type: Application
    Filed: December 30, 2014
    Publication date: March 10, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Gi RYU, In Ho JO, Yong Gil NAMGUNG, Dae Seob KIM
  • Publication number: 20150379965
    Abstract: An electronic label and a method of displaying product information on an electronic label are provided. An electronic label includes an electronic paper display having a first display area and a second display area, a first display driver configured to drive a first thin film transistor (TFT) substrate corresponding to the first display area, and a second display driver configured to drive a second TFT substrate corresponding to the second display area, and the first display driver is configured to drive the first TFT substrate independently from the second display driver.
    Type: Application
    Filed: June 22, 2015
    Publication date: December 31, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Seob KIM, Jong Gi RYU, Tae Ha LEE
  • Patent number: 9166100
    Abstract: Disclosed is a semiconductor light emitting device. The semiconductor light emitting device includes a light emitting structure having a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer between the first and second conductive semiconductor layers. The active layer includes a plurality of well layers and barrier layers. An outermost barrier layer of the barrier layers includes a plurality of first layers; and a plurality of second layers.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: October 20, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dae Seob Han, Yong Tae Moon, Ha Jong Bong
  • Publication number: 20150294751
    Abstract: A composition for a transparent electrode according to the present invention comprises (A) a carbon nanotube dispersing solution and (B) a metal nanowire solution having a zeta potential with the same polarity as the carbon nanotube dispersing solution, and a transparent electrode coated with the composition for the transparent electrode has superior transmittance, electrical conductivity and transparency.
    Type: Application
    Filed: August 20, 2013
    Publication date: October 15, 2015
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Dae Seob Shim, Young Sil Lee, Kyoung Tae Youm
  • Patent number: 9158269
    Abstract: An electrophotographic image forming apparatus may include a body frame; a developer cartridge; a toner cartridge mounted in the body frame to be detachable, and is configured to move to a first location where the toner cartridge starts to connect to the developer cartridge to supply toner and to a second location where the connection is completed; at least one first location regulating member provided in the developer cartridge and regulating a relative location of the toner cartridge with respect to the developer cartridge when the toner cartridge is located in the first location; and at least one second location regulating member provided in the body frame and regulating a relative location of the toner cartridge with respect to the developer cartridge so that the toner cartridge is spaced apart from the at least one first location regulating member when the toner cartridge is located in the second location.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: October 13, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin-hyup Kang, Dae-seob Kweon, Min-su Han