Patents by Inventor Chang Nam Kim

Chang Nam 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: 20110089813
    Abstract: An active matrix electroluminescence display device and a method for fabricating the same, whereby damage caused by UV light rays during the fabrication process can be prevented, are disclosed. The active matrix electroluminescence display device includes a plurality of transistors formed on a substrate having an emissive area and a non-emissive area defined thereon, an insulating layer formed on the substrate and the thin film transistors, a metallic protective layer formed on the insulating layer of the non-emissive area, a first electrode formed on the insulating layer of the emissive area, an electroluminous layer formed on the first electrode, and a second electrode formed on the electroluminous layer.
    Type: Application
    Filed: December 16, 2010
    Publication date: April 21, 2011
    Inventor: Chang Nam KIM
  • Patent number: 7876040
    Abstract: An electroluminescent (EL) device includes a plurality of first transistors provided over a first area of a substrate and a plurality of second transistors provided over a second area of the substrate. A plurality of light emitting elements, each including an EL layer, are coupled to corresponding ones of the first transistors, and at least one insulating layer is provided on at least one of the plurality of first transistors or the plurality of second transistors. A conductive layer having a multilayer structure is then provided over at least one of the plurality of second transistors and on the at least one insulating layer.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: January 25, 2011
    Assignee: LG Electronics Inc.
    Inventor: Chang Nam Kim
  • Patent number: 7872415
    Abstract: An organic light emitting display is disclosed. The organic light emitting display includes a substrate, a thin film transistor positioned on the substrate, a planarization layer positioned on the thin film transistor, an emission unit, and a passivation layer. The emission unit is positioned on the planarization layer and electrically connected to the thin film transistor. The passivation layer is positioned on the substrate to cover an edge portion of the planarization layer.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: January 18, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Chang Nam Kim, Sang Kyoon Kim, Seong Joong Kim, Hong Gyu Kim
  • Patent number: 7858435
    Abstract: Provided is an organic EL device and fabrication method thereof that can prevent the performance of the organic EL layer and the TFT from being lowered in forming the cathode using an E-beam heating evaporation process. The organic EL device includes a substrate, an anode, an organic EL layer, a cathode, and a transparent electrode connected with the cathode to extract the cathode to an outside, and further includes an interconnection line connected to the transparent electrode, for discharging charges accumulated on the cathode outside the organic EL device. According to the present invention, since the charges generated on the cathode can be removed through the interconnection line, the underlying organic EL layer and the TFT can be prevented from being damaged, so that the device reliability can be enhanced.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: December 28, 2010
    Assignee: LG Electronics Inc.
    Inventors: Ho Nyun Lee, Chang Nam Kim
  • Patent number: 7825583
    Abstract: An organic EL device and a method for manufacturing the same are disclosed. The organic EL device comprises a substrate having a first electrode arranged on an active region, at least one organic material layer formed on the first electrode, a second electrode formed on the organic material layer so as to extend to an inactive region of the substrate to allow heat of the device to be dissipated to an outside therethrough, and a seal-cup facing the second electrode while being sealingly connected with the second electrode at a seal line via a sealant. The organic EL device can effectively lower an interior temperature of the device while preventing degradation thereof, thereby remarkably increasing lifetime thereof, and enhance interface stability of the device, thereby remarkably suppressing degradation in characteristics of the device.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: November 2, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Chang Nam Kim, Young Soo Han, Ho Nyun Lee, Jin Won Chung, Hong Gyu Kim
  • Patent number: 7808172
    Abstract: An organic light emitting device is provided. The device may include a substrate having an emission region and a non-emission region, a sub-pixel formed on the substrate in the emission region of the substrate, and a sealant provided in the non-emission region that seals the emission region of the substrate. The sub-pixel may include a first electrode formed on the substrate in the emission region of the substrate, an emission portion formed on the first electrode, and a second electrode arranged on the emission portion. A barrier rib may be provided to partition the second electrode. A width of an end portion of the barrier rib may be narrower than a width of another portion of the barrier rib.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: October 5, 2010
    Assignee: LG Electronics Inc.
    Inventor: Chang Nam Kim
  • Patent number: 7755280
    Abstract: An active matrix electroluminescence display device and a method for fabricating the same, whereby damage caused by UV light rays during the fabrication process can be prevented, are disclosed. The active matrix electroluminescence display device includes a plurality of transistors formed on a substrate having an emissive area and a non-emissive area defined thereon, an insulating layer formed on the substrate and the thin film transistors, a metallic protective layer formed on the insulating layer of the non-emissive area, a first electrode formed on the insulating layer of the emissive area, an electroluminous layer formed on the first electrode, and a second electrode formed on the electroluminous layer.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: July 13, 2010
    Assignee: LG Electronics Inc.
    Inventor: Chang Nam Kim
  • Patent number: 7694648
    Abstract: An organic EL display device and a method for fabricating the same are disclosed, wherein an organic luminescence layer is formed at a crossing region of first and second electrodes using a shadow mask on which a plurality of holes are connected by bridges.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: April 13, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Chang Nam Kim
  • Patent number: 7696688
    Abstract: An adhesive type organic EL display, and a method for manufacturing the same are disclosed. The organic EL display comprises a first substrate having a thin transistor formed thereon, and a second substrate having an organic EL element formed thereon. The organic EL display further comprises at least two partition walls formed in a non-light emitting region of the second substrate, an insulation layer formed to cover a portion of each partition wall, and a second electrode, which is formed on the partition walls, and electrically connected to the thin transistor of the first substrate.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: April 13, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Chang Nam Kim
  • Patent number: 7692248
    Abstract: A semiconductor device comprising a substrate having a well region, at least one well pickup region formed on the substrate to surround the well pickup region, a first drain region formed on the substrate to be positioned on one side of the source region, and a first gate electrode formed on the substrate to be positioned between the source region and the first drain region.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: April 6, 2010
    Assignee: Dongbu Electronics Co., Ltd.
    Inventor: Chang Nam Kim
  • Patent number: 7675585
    Abstract: A liquid crystal display and fabricating method thereof are disclosed, by which a backlight having a simple configuration, a reduced thickness and a low cost can be provided. The present invention includes a liquid crystal display panel having an upper substrate, a lower substrate and liquid crystals between the upper and lower substrates, an organic EL device provided under the lower substrate of the liquid crystal display panel to provide light to the liquid crystal display panel, and a cap boned to at least one of the lower substrate of the liquid crystal display panel and a substrate of the organic EL device to protect the organic EL device.
    Type: Grant
    Filed: July 18, 2005
    Date of Patent: March 9, 2010
    Assignee: LG Electronics Inc.
    Inventor: Chang Nam Kim
  • Patent number: 7663314
    Abstract: An organic EL display panel has a multi-layered structure in which a first electrode and a second electrode are formed on a transparent panel and an organic EL layer is formed between the first and second electrodes. A method for sealing the organic EL display panel includes the steps of forming a buffer layer of an organic matter such as silicon oxide and silicon nitride on the transparent panel, and locating a shield cover on the buffer layer. Thus, adhesive strength between the panel and an adhesive is enhanced to prevent external humidity and oxygen from being permeated into the panel, thereby increasing life span of the display.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: February 16, 2010
    Assignee: LG Electronics Inc.
    Inventors: Chang Nam Kim, Jong Geon Yoon
  • Patent number: 7652420
    Abstract: An organic electroluminescent device is provided having a metal wiring in a non-light-emitting region. The device may include a substrate, a wiring formed on the substrate to electrically connect to an external circuit, an insulating layer formed on the wiring such that the wiring is partially exposed. The insulating layer having a thickness 0.3 to 30 times a thickness of the wiring.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: January 26, 2010
    Assignee: LG Electronics Inc.
    Inventor: Chang Nam Kim
  • Patent number: 7645680
    Abstract: Disclosed is a method of manufacturing an isolation layer pattern in a semiconductor device and an isolation layer pattern in a semiconductor device. A device at a low voltage device formation region may be substantially immune to electric fields from a high voltage device formation region. A field insulation film pattern in a low voltage device formation region (e.g. a logic region) may implement a relatively small design rule at an isolation layer pattern. A method of manufacturing an isolation layer pattern in a semiconductor device (e.g. which may embody a device relatively immune to an electric field from a high voltage device formation region) may include field insulation film patterns with a relatively small design rule in a low voltage device formation region (e.g. a logic region).
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: January 12, 2010
    Assignee: Dongbu HiTek Co., Ltd.
    Inventor: Chang Nam Kim
  • Patent number: 7626329
    Abstract: An improved organic electroluminescent device is provided. The device may include a protection layer provided on non-light-emitting regions of a panel to prevent reflection of external light. The protection layer may include an optical filter used in combination with a black insulator. The protection layer may provide for improved reflectance and transmissivity, and improved brightness without a commensurate reduction in contrast.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: December 1, 2009
    Assignee: LG Display Co., Ltd
    Inventors: Byung Gil Ryu, Kyung Ku Kim, Hong Rae Cha, Myeong Soo Chang, Young Soo Han, Hwa Kyung Kim, Jae Woo Kyung, Hong Seok Choi, Myung Jong Jung, Chang Nam Kim
  • Patent number: 7605393
    Abstract: Provided is an organic EL device and fabrication method thereof that can prevent the performance of the organic EL layer and the TFT from being lowered in forming the cathode using an E-beam heating evaporation process. The organic EL device includes a substrate, an anode, an organic EL layer, a cathode, and a transparent electrode connected with the cathode to extract the cathode to an outside, and further includes an interconnection line connected to the transparent electrode, for discharging charges accumulated on the cathode outside the organic EL device. According to the present invention, since the charges generated on the cathode can be removed through the interconnection line, the underlying organic EL layer and the TFT can be prevented from being damaged, so that the device reliability can be enhanced.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: October 20, 2009
    Assignee: LG Eelctronics Inc.
    Inventors: Ho Nyun Lee, Chang Nam Kim
  • Publication number: 20090243481
    Abstract: An organic EL device based on top emission and a method for fabricating the same arc disclosed. The organic EL device includes a substrate, a thin film transistor (TFT) formed on the substrate, a planarization film formed on the entire surface of the substrate including the TFT, a first electrode formed on the planarization film, having a surface at a corner area higher than a surface at a center area, an organic EL layer formed on the first electrode, and a second electrode formed on the organic EL layer.
    Type: Application
    Filed: June 9, 2009
    Publication date: October 1, 2009
    Applicant: LG DISPLAY CO., LTD
    Inventors: Chang Nam KIM, Ho Nyun LEE
  • Patent number: 7586124
    Abstract: An organic electroluminescent device, adapted to enhance device reliability while allowing simplification of a manufacturing process, and a method for manufacturing the same are disclosed. The organic electroluminescent (EL) device, comprising a substrate, TFTs located in respective unit pixel regions on the substrate, a first insulation layer to insulate the TFTs, first electrodes formed on the first insulation layer while contacting the TFTs, respectively, a partition wall positioned between the unit pixel regions on the first insulation layer, a subsidiary electrode formed on the partition wall, an organic light emitting layer positioned on the first electrodes, an insulation part to insulate each first electrode from an associated subsidiary electrode, and a second electrode positioned on the organic light emitting layer and connected with the subsidiary electrode.
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: September 8, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Chang Nam Kim, Ho Nyun Lee, Jin Won Chung, Sun Kil Kang, Do Youl Kim, Hong Gyu Kim
  • Patent number: 7579040
    Abstract: Provided is a method for fabricating an organic EL device that can prevent delamination of an electrode. The method includes: forming electrode separators on a substrate, the electrode separators being spaced apart by a constant distance from one another; and depositing an electrode material on an entire surface of the substrate including the electrode separators to form an electrode separated by the electrode separators. According to the present invention, since the anode is automatically separated in the unit of pixels due to the existence of the electrode separator, delamination of the anode can be prevented, and further product reliability can be enhanced. Also, since a complicated photolithography process is not needed, process efficiency can be enhanced.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: August 25, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Ho Nyun Lee, Chang Nam Kim
  • Publication number: 20090200932
    Abstract: Disclosed is an organic EL display panel and a manufacturing the same, the EL display panel including an organic EL display panel including a bulkhead for insulating an emitting cell from an anode strip, the emitting cell having an ITO strip, a supplement electrode, an organic EL layer, and the anode strip, and at least one supplement bulkhead for coupling the bulkheads for preventing the sealant is injected along the bulkhead to the emitting cell thereby an inferior device is reduced and yield is increased.
    Type: Application
    Filed: January 29, 2009
    Publication date: August 13, 2009
    Inventor: Chang Nam KIM