Patents by Inventor Ki Myung Nam

Ki Myung Nam 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: 9287243
    Abstract: The present invention relates to an optical device and a method for manufacturing the same. The technical object of the invention is to realize a surface emitting body which allows heat generated from a light-emitting chip to be easily dissipated, eliminates the need for an additional wiring layer, and allows a singular light emitting chips or a plurality of light emitting chips to be arranged in series, in parallel, or in series-parallel. The present invention discloses an optical device comprising: a substrate; a plurality of light emitting chips disposed on the substrate; a plurality of conductive wires which electrically connect the substrate with the light emitting chips such that the plurality of light emitting chips are connected to each other in series, in parallel or in series-parallel; and a protective layer which covers the plurality of light emitting chips and the plurality of conductive wires on the substrate.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: March 15, 2016
    Assignee: Point Engineering Co., Ltd.
    Inventors: Ki Myung Nam, Tae-Hwan Song, Young-Chul Jun
  • Patent number: 9281452
    Abstract: The present invention relates to a method for manufacturing an optical device, and to an optical device manufactured thereby, which involve using a substrate itself as a heat-dissipating plate, and adopting a substrate with vertical insulation layers formed thereon, such that electrode terminals do not have to be extruded out from a sealed space, and thus enabling the overall structure and manufacturing process for an optical device to be simplified.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: March 8, 2016
    Assignee: Point Engineering Co., Ltd.
    Inventors: Ki Myung Nam, Seung Ho Park, Tae Hwan Song
  • Patent number: 9214453
    Abstract: The present invention relates to an optical device and a method for manufacturing the same. The technical object of the invention is to realize a surface emitting body which allows heat generated from a light-emitting chip to be easily dissipated, eliminates the need for an additional wiring layer, and allows a singular light emitting chips or a plurality of light emitting chips to be arranged in series, in parallel, or in series-parallel. The present invention discloses an optical device comprising: a substrate; a plurality of light emitting chips disposed on the substrate; a plurality of conductive wires which electrically connect the substrate with the light emitting chips such that the plurality of light emitting chips are connected to each other in series, in parallel or in series-parallel; and a protective layer which covers the plurality of light emitting chips and the plurality of conductive wires on the substrate.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: December 15, 2015
    Assignee: Point Engineering Co., Ltd.
    Inventors: Ki Myung Nam, Tae-Hwan Song, Young-Chul Jun
  • Publication number: 20150243864
    Abstract: The present invention relates to a method for manufacturing an optical device and to an optical device manufactured by the method, in which heat-dissipating performance by a heat sink and thermal insulation performance between a substrate and the heat sink are improved and workability is enhanced. According to a first characteristic of the present invention, the method for manufacturing an optical device comprises: (a) a step of preparing a disk for an optical device having a vertical thermal insulation layer; (b) a step of forming a groove along a cut line formed on the lower surface of the disk for an optical device; (c) a step of applying liquid insulation material to the surface on which the groove is formed and hardening the liquid insulation material to form an electrically insulating layer having a planar surface; and (d) a step of forming a fixing hole penetrating in a vertical direction through both the disk for an optical device and the groove.
    Type: Application
    Filed: August 1, 2013
    Publication date: August 27, 2015
    Inventors: Bum Mo Ahn, Ki Myung Nam, Young Chul Jun
  • Publication number: 20150147580
    Abstract: An optical device substrate includes metal plates and insulating layers formed between the metal plates. Each insulating layer includes a cured insulating layer formed by curing insulating material and an anodized layer merged with each metal plate, the anodized layer formed by anodizing a first metal and a second metal of each metal plate. The first metal and the second metal include a first anodized layer and a second anodized layer, respectively, and are electrically insulated by interfaces including a first interface formed between the first metal and the first anodized layer, a second interface formed between the first anodized layer and the cured insulating layer, a third interface formed between the cured insulating layer and the second metal and a fourth interface formed between the second anodized layer and the second metal.
    Type: Application
    Filed: January 29, 2015
    Publication date: May 28, 2015
    Inventors: Ki Myung Nam, Tae Hwan Song, Young Chul Jun
  • Publication number: 20150143678
    Abstract: The present invention relates to a method of manufacturing an optical device for a back light unit, and an optical device and an optical device array manufactured by the method, in which optical device chips constituting the optical device array are each laid the sides thereof on a printed circuit board in such a manner that light can be emitted from the optical device chips in a lateral direction, thus reducing the overall thickness of the back light unit.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 28, 2015
    Inventors: Bum Mo Ahn, Seung Ho Park, Ki Myung Nam
  • Publication number: 20150138656
    Abstract: A chip substrate includes: a conductive layer being stacked in one direction and constituting a chip substrate; an insulator being alternately stacked with the conductive layer and electrically separating the conductive layer; and a lens insert having: a depression reaching down to a predetermined depth from a specified area of an upper surface of the chip substrate overlapping with the insulator; and a predetermined number of sides on the upper surface wherein arcs are formed at regions where the sides are met with each other. Since the space for inserting a lens can be formed to have a shape comprising straight lines, and a lens to be inserted can also be manufactured in a shape comprising straight lines, therefore the manufacturing process for a lens to be inserted into the chip substrate can be further simplified.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 21, 2015
    Inventors: Bum Mo Ahn, Ki Myung Nam, Young Chul Jun
  • Publication number: 20150138659
    Abstract: A substrate for an optical device includes an optical device substrate including a plurality of conductive plates elongated along a length direction, wherein side surfaces of the conductive plates are bonded to each other with insulators interposed therebetween, the insulators being respectively formed on the side surfaces. A groove having a predetermined depth for preventing burrs is formed in a lower surface of the optical device substrate at each point where a cutting line is crossed with one of the insulators when the optical device substrate is cut in a length direction and in a vertical direction, the groove being formed in such a way that said one of the insulators is exposed to an inside of the groove.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 21, 2015
    Inventors: Bum Mo Ahn, Ki Myung Nam, Kyung Soo Yoo
  • Publication number: 20150129905
    Abstract: The present invention relates to an optical device and a method for manufacturing the same. The technical object of the invention is to realize a surface emitting body which allows heat generated from a light-emitting chip to be easily dissipated, eliminates the need for an additional wiring layer, and allows a singular light emitting chips or a plurality of light emitting chips to be arranged in series, in parallel, or in series-parallel. The present invention discloses an optical device comprising: a substrate; a plurality of light emitting chips disposed on the substrate; a plurality of conductive wires which electrically connect the substrate with the light emitting chips such that the plurality of light emitting chips are connected to each other in series, in parallel or in series-parallel; and a protective layer which covers the plurality of light emitting chips and the plurality of conductive wires on the substrate.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 14, 2015
    Inventors: Ki Myung Nam, Tae-Hwan Song, Young-Chul Jun
  • Publication number: 20150115310
    Abstract: Provided is an array substrate for mounting a chip. The array substrate includes a plurality of conductive layers unidirectionally stacked with respect to an original chip substrate; a plurality of insulating layers alternately stacked with the plurality of conductive layers, and electrically separate the plurality of conductive layers; and a cavity having a groove of a predetermined depth with respect to a region including the plurality of insulating layers in an upper surface of the original chip substrate. Accordingly, since the optical device array of a single structure is used as a line source of light, an emission angle emitted from the optical device is great, it is not necessary to form an interval for supplying an amount of light, and a display device can be simply constructed. Further, since it is not necessary to perform soldering a plurality of LED packages on a printed circuit board, a thickness of a back light unit can be reduced.
    Type: Application
    Filed: October 28, 2014
    Publication date: April 30, 2015
    Inventors: Ki Myung Nam, Seung Ho Park, Young Chul Jun
  • Patent number: 9018651
    Abstract: The present invention relates to an optical device integrated with a driving circuit and a power supply circuit, a method for manufacturing an optical device substrate used therein, and a substrate thereof, which are capable of reducing the overall size and facilitating the handling and management thereof by mounting a plurality of optical elements, driving circuits thereof, and power supply circuits thereof on a single substrate for an optical device having a vertical insulating layer.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: April 28, 2015
    Assignee: Point Engineering Co., Ltd.
    Inventors: Bum Mo Ahn, Ki Myung Nam, Seung Ho Park
  • Publication number: 20150102486
    Abstract: Provided is a method of mounting a chip. The method includes: forming a bump at one surface of a cavity formed concavely in an inner direction of a substrate; performing a coining process to flatten a surface of the bump; coating a solder material on the bump subjected to the coining process; and bonding a chip and the bump by melting the solder material, wherein an electrode portion or a metal portion is formed on a bottom of the chip. For a metal substrate according to the present invention, wherein a vertical insulating layer is included, since the electrode portion of the chip and the electrode portion of the substrate have to be electrically connected, the metal substrate is bonded to the electrode portion of the chip using the bump additionally formed on the metal substrate, so the heat generated in the chip can be rapidly transferred to the substrate, and the junction temperature of the chip can be decreased, thereby enhancing the light efficiency and the.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Inventors: Bum Mo Ahn, Ki Myung Nam, Seung Ho Park
  • Publication number: 20150098209
    Abstract: The present invention relates to a method of manufacturing an optical device for a back light unit, and an optical device and an optical device array manufactured by the method, in which optical device chips constituting the optical device array are each laid the sides thereof on a printed circuit board in such a manner that light can be emitted from the optical device chips in a lateral direction, thus reducing the overall thickness of the back light unit.
    Type: Application
    Filed: May 9, 2013
    Publication date: April 9, 2015
    Inventors: Bum Mo Ahn, Seung Ho Park, Ki Myung Nam
  • Publication number: 20150048408
    Abstract: The present invention relates to a method for manufacturing an optical device, and to an optical device manufactured thereby, which involve using a substrate itself as a heat-dissipating plate, and adopting a substrate with vertical insulation layers formed thereon, such that electrode terminals do not have to be extruded out from a sealed space, and thus enabling the overall structure and manufacturing process for an optical device to be simplified.
    Type: Application
    Filed: October 4, 2012
    Publication date: February 19, 2015
    Inventors: Ki Myung Nam, Seung Ho Park, Tae Hwan Song
  • Patent number: 8921879
    Abstract: The present invention relates to an optical device and a method for manufacturing the same. The technical object of the invention is to realize a surface emitting body which allows heat generated from a light-emitting chip to be easily dissipated, eliminates the need for an additional wiring layer, and allows a singular light emitting chips or a plurality of light emitting chips to be arranged in series, in parallel, or in series-parallel. The present invention discloses an optical device comprising: a substrate; a plurality of light emitting chips disposed on the substrate; a plurality of conductive wires which electrically connect the substrate with the light emitting chips such that the plurality of light emitting chips are connected to each other in series, in parallel or in series-parallel; and a protective layer which covers the plurality of light emitting chips and the plurality of conductive wires on the substrate.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: December 30, 2014
    Assignee: Point Engineering Co., Ltd.
    Inventors: Ki Myung Nam, Tae-Hwan Song, Young-Chul Jun
  • Publication number: 20140374783
    Abstract: The present invention relates to an optical device integrated with a driving circuit and a power supply circuit, a method for manufacturing an optical device substrate used therein, and a substrate thereof, which are capable of reducing the overall size and facilitating the handling and management thereof by mounting a plurality of optical elements, driving circuits thereof, and power supply circuits thereof on a single substrate for an optical device having a vertical insulating layer.
    Type: Application
    Filed: October 4, 2012
    Publication date: December 25, 2014
    Inventors: Bum Mo Ahn, Ki Myung Nam, Seung Ho Park
  • Publication number: 20140225135
    Abstract: The present invention relates to an optical device array substrate having a built-in heat dissipating structure, and to a method for manufacturing same, wherein the optical device array substrate itself is used as a heat sink and a coupling hole is formed at the bottom of the substrate to have a heat dissipating rod coupled thereto. The optical device array substrate having a built-in heat dissipating structure of the present invention consists essentially of: an optical device array substrate having a plurality of optical devices arranged on the top surface thereof and a plurality of coupling holes formed in the bottom surface thereof; and rod-shaped heat dissipating rods that have coupling projections formed on upper ends thereof, and are coupled to each of the coupling holes. In the above-described structure, the coupling holes are threaded, and the coupling projections are also threaded so as to be screw-coupled to the coupling holes.
    Type: Application
    Filed: July 26, 2012
    Publication date: August 14, 2014
    Inventors: Bum Mo Ahn, Ki Myung Nam, Young Chul Jun
  • Publication number: 20140177242
    Abstract: The present invention relates to a substrate for an optical device, which is configured to connect an optical element substrate and an electrode substrate in a fitting manner, and simultaneously, to form one or more bridge pads which are insulated from the optical element substrate by a horizontal insulating layer, on the optical element substrate.
    Type: Application
    Filed: July 11, 2012
    Publication date: June 26, 2014
    Inventors: Ki Myung Nam, Young Chul Jun, Tae Hwan Song
  • Publication number: 20140113111
    Abstract: “The manufacturing of an optical device substrate is achieved by anodizing the surface of a metal plate, coating an insulative liquid bonding agent, having a viscosity which can permeate into an anodized film of the metal plate, on the metal plate, and alternately layering, pressing, and heat treating the metal plate coated with the liquid bonding agent and an insulative film bonding agent before the liquid bonding agent becomes solid so that bonding force between the metal plate and an insulation layer is strengthened, bubbles formation in the liquid bonding agent is inhibited, the fragile nature of the liquid bonding agent after the solidification is reduced producing an optical device substrate with improved mechanical strength and an insulation layer of precisely controlled thickness.
    Type: Application
    Filed: November 23, 2011
    Publication date: April 24, 2014
    Applicant: Point Engineering Co., LTD
    Inventors: Ki Myung Nam, Tae Hwan Song, Young Chul Jun
  • Publication number: 20140027796
    Abstract: The present invention relates to an optical device and a method for manufacturing the same. The technical object of the invention is to realize a surface emitting body which allows heat generated from a light-emitting chip to be easily dissipated, eliminates the need for an additional wiring layer, and allows a singular light emitting chips or a plurality of light emitting chips to be arranged in series, in parallel, or in series-parallel. The present invention discloses an optical device comprising: a substrate; a plurality of light emitting chips disposed on the substrate; a plurality of conductive wires which electrically connect the substrate with the light emitting chips such that the plurality of light emitting chips are connected to each other in series, in parallel or in series-parallel; and a protective layer which covers the plurality of light emitting chips and the plurality of conductive wires on the substrate.
    Type: Application
    Filed: September 27, 2013
    Publication date: January 30, 2014
    Applicant: Point Engineering Co., Ltd.
    Inventors: Ki Myung Nam, Tae-Hwan Song, Young-Chul Jun