Patents by Inventor Dong-Hun Kang

Dong-Hun Kang 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: 8395171
    Abstract: Provided are a light emitting device and a light emitting device package. The light emitting device comprises a light emitting structure comprising a first conductive type semiconductor layer, an active layer on the first conductive type semiconductor layer, and a second conductive type semiconductor layer on the active layer; a first electrode on the first conductive type semiconductor layer, the first electrode being electrically connected to the first conductive type semiconductor layer; a plurality of reflective islands on the second conductive type semiconductor layer; a second electrode on the second conductive type semiconductor layer and the plurality of reflective islands, the second electrode being electrically connected to the second conductive type semiconductor layer; and a conductive support member on the second electrode.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: March 12, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Dong Hun Kang
  • Publication number: 20130043457
    Abstract: Provided are a light emitting device, a method of manufacturing the same, a light emitting device package, and a lighting system. The light emitting device includes: a first conductive semiconductor layer; a superlattice layer on the first conductive semiconductor layer; an active layer on the superlattice layer; and a second conductive semiconductor layer on the active layer. The superlattice layer comprises InxGa(1?x)N(0<x<1) doped with an n-type dopant and undoped InyGa(1?y)N(0<y<1).
    Type: Application
    Filed: April 30, 2012
    Publication date: February 21, 2013
    Inventors: Dong Hun KANG, Sang Hyun Lee, Sung Yi Jung, Jong Pil Jeong
  • Patent number: 8367436
    Abstract: A manufacturing method of an organic light emitting diode (OLED) display device includes forming a thin film transistor and an organic light emitting diode in a display area of a first substrate, forming a thin film encapsulation layer that has a layering structure of an organic film and an inorganic film on one substrate of the first substrate and a second substrate, forming a sealing member by coating a sealing material that includes an inorganic sealant and an organic compound on an edge of the second substrate, removing the organic compound of the sealing member by baking the sealing member, layering the second substrate on the first substrate so that the sealing member contacts the first substrate, dissolving the sealing member by using a laser beam, solidifying the sealing member, attaching the sealing member to the first substrate, and removing the second substrate from the sealing member.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: February 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim
  • Patent number: 8324628
    Abstract: Provided is a channel layer for a thin film transistor, a thin film transistor and methods of forming the same. A channel layer for a thin film transistor may include IZO (indium zinc oxide) doped with a transition metal. A thin film transistor may include a gate electrode and the channel layer formed on a substrate, a gate insulating layer formed between the gate electrode and channel layer, and a source electrode and a drain electrode which contact ends of the channel layer.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: December 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-il Kim, I-hun Song, Young-soo Park, Dong-hun Kang, Chang-jung Kim, Jae-chul Park
  • Publication number: 20120240423
    Abstract: Disclosed herein is a tape measure with a self-regulating speed control mechanism. In the present invention, when a bobbin rotates, a rubber roller rotatably provided on a movable mounting plate alternately comes into contact with an inner surface of a support ring and a rubber acceleration prevention member provided on the inner surface of the support ring, so that the speed of the bobbin can be smoothly and reliably reduced.
    Type: Application
    Filed: June 6, 2012
    Publication date: September 27, 2012
    Inventor: Dong Hun KANG
  • Patent number: 8215027
    Abstract: Disclosed herein is a tape measure with a self-regulating speed control mechanism. In the present invention, when a bobbin rotates, a rubber roller rotatably provided on a movable mounting plate alternately comes into contact with an inner surface of a support ring and a rubber acceleration prevention member provided on the inner surface of the support ring, so that the speed of the bobbin can be smoothly and reliably reduced.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: July 10, 2012
    Assignee: Komelon Corporation
    Inventor: Dong Hun Kang
  • Publication number: 20120146492
    Abstract: In an organic light-emitting display apparatus and a method of manufacturing the same, the organic light-emitting display apparatus comprises: a substrate; a light-emitting unit formed on the substrate; and an encapsulation film, which covers the light-emitting unit on the substrate, and which includes a plurality of organic layers and a plurality of inorganic layers which are alternately stacked.
    Type: Application
    Filed: September 23, 2011
    Publication date: June 14, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Ji-Hun Ryu, Dong-Won Han, Young-Seo Choi, Jae-Ho Lee, Oh-June Kwon, Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim, Seung-Yong Song
  • Publication number: 20120133275
    Abstract: In a flat panel display device and a method of manufacturing the same, the flat panel display device is manufactured by forming a display unit on a substrate, forming a hydrophobic barrier layer for preventing a material of an organic layer from flowing around the display unit, and forming a thin film sealing layer by alternately stacking an inorganic layer and the organic layer on the display unit. Accordingly, formation of an edge tail of the organic layer is prevented, thereby preventing penetration of external moisture.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 31, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Ho Lee, Dong-Won Han, Seung-Yong Song, Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim
  • Patent number: 8106583
    Abstract: Provided is an organic light emitting display apparatus in which process efficiency and contrast are increased. The organic light emitting display apparatus includes a substrate, a display unit that is formed on the substrate and includes an organic light emitting device, an encapsulation layer that is formed on the display unit so as to encapsulate the display unit, a color filter layer that is formed on the encapsulation layer, a protection layer that is formed on the color filter layer, and a black matrix that is formed on the protection layer. The black matrix is aligned not to overlap the color filter layer.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: January 31, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Dae-Bum Shin, Min-Chul Suh, Dong-Won Han, Dong-Kyu Lee, Jin-Ho Kwack, Dong-Hun Kang, Hyo-Jin Kim
  • Publication number: 20110291117
    Abstract: A manufacturing method of an organic light emitting diode (OLED) display device includes forming a thin film transistor and an organic light emitting diode in a display area of a first substrate, forming a thin film encapsulation layer that has a layering structure of an organic film and an inorganic film on one substrate of the first substrate and a second substrate, forming a sealing member by coating a sealing material that includes an inorganic sealant and an organic compound on an edge of the second substrate, removing the organic compound of the sealing member by baking the sealing member, layering the second substrate on the first substrate so that the sealing member contacts the first substrate, dissolving the sealing member by using a laser beam, solidifying the sealing member, attaching the sealing member to the first substrate, and removing the second substrate from the sealing member.
    Type: Application
    Filed: March 21, 2011
    Publication date: December 1, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim
  • Publication number: 20110291116
    Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the display includes i) a substrate, ii) a driving circuit formed on the substrate, iii) an organic light emitting diode formed on the substrate and electrically connected to the driving circuit, iv) an encapsulation thin film formed on the driving circuit and organic light emitting diode and v) a spacer formed on the substrate and surrounding the encapsulation thin film.
    Type: Application
    Filed: March 16, 2011
    Publication date: December 1, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Dong-Hun Kang, Min-Chul Suh, Dong-Won Han, Jin-Ho Kwack, Dae-Beom Shin, Hyo-Jin Kim
  • Patent number: 8063421
    Abstract: Provided are a thin film transistor and a method of manufacturing the same. The thin film transistor may include a gate; a channel layer; a source and a drain, the source and the drain being formed of metal; and a metal oxide layer, the metal oxide layer being formed between the channel layer and the source and the drain. The metal oxide layer may have a gradually changing metal content between the channel layer and the source and the drain.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: November 22, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-hun Kang, Stefanovich Genrikh, I-hun Song, Young-soo Park, Chang-jung Kim
  • Publication number: 20110258870
    Abstract: Disclosed herein is a tape measure with a self-regulating speed control mechanism. In the present invention, when a bobbin rotates, a rubber roller rotatably provided on a movable mounting plate alternately comes into contact with an inner surface of a support ring and a rubber acceleration prevention member provided on the inner surface of the support ring, so that the speed of the bobbin can be smoothly and reliably reduced.
    Type: Application
    Filed: April 22, 2011
    Publication date: October 27, 2011
    Inventor: Dong Hun KANG
  • Publication number: 20110179663
    Abstract: Disclosed herein are a stature measuring method and a stature measuring device using the method. The method includes securing an anchoring unit, coupled to a main body via a tape, to a building wall, moving the main body to a bottom in a state in which the anchoring unit is secured to the building wall, inputting a reference point setting signal in a state in which the main body comes into contact with the bottom, and moving the main body from the bottom to a position above an examinee's head, and measuring a distance from a point where the reference point setting signal is input to a point where the main body is moved above the examinee's head, thus determining the examinee's stature.
    Type: Application
    Filed: May 18, 2010
    Publication date: July 28, 2011
    Inventor: Dong Hun Kang
  • Publication number: 20110180626
    Abstract: A foldable extension pipe is provided which consists of upper and lower pipe sections which are folded and unfolded. The operation input from the upper side is transmitted towards the lower side by means of the transmission rods of the upper and lower pipe sections being magnetic-coupled by first and second magnetic couplings. The measuring wheel unit and the spraying wheel unit having the foldable extension pipe are carried or stored with ease, and when a user inputs an operation via the upper portion of the extension pipe, particularly the operation input portion such as an operation lever at the grip portion of the upper portion, the operation output portion manipulates the reset switch of the counter, manipulates the nozzle section of the spray can for spraying paint, or brakes the rotary wheel.
    Type: Application
    Filed: October 12, 2010
    Publication date: July 28, 2011
    Inventor: Dong Hun KANG
  • Publication number: 20110101343
    Abstract: A semiconductor device may include a composite represented by Formula 1 below as an active layer. x(Ga2O3).y(In2O3).z(ZnO)??Formula 1 wherein, about 0.75?x/z?about 3.15, and about 0.55?y/z?about 1.70. Switching characteristics of displays and driving characteristics of driving transistors may be improved by adjusting the amounts of a gallium (Ga) oxide and an indium (In) oxide mixed with a zinc (Zn) oxide and improving optical sensitivity.
    Type: Application
    Filed: January 14, 2011
    Publication date: May 5, 2011
    Inventors: Chang-jung Kim, I-hun Song, Dong-hun Kang, Young-soo Park
  • Publication number: 20110101342
    Abstract: A semiconductor device may include a composite represented by Formula 1 below as an active layer. x(Ga2O3).y(In2O3).z(ZnO)??Formula 1 wherein, about 0.75?x/z?about 3.15, and about 0.55?y/z?about 1.70. Switching characteristics of displays and driving characteristics of driving transistors may be improved by adjusting the amounts of a gallium (Ga) oxide and an indium (In) oxide mixed with a zinc (Zn) oxide and improving optical sensitivity.
    Type: Application
    Filed: January 14, 2011
    Publication date: May 5, 2011
    Inventors: Chang-jung Kim, I-hun Song, Dong-hun Kang, Young-soo Park
  • Publication number: 20110095322
    Abstract: Provided are a light emitting device and a light emitting device package. The light emitting device comprises a light emitting structure comprising a first conductive type semiconductor layer, an active layer on the first conductive type semiconductor layer, and a second conductive type semiconductor layer on the active layer; a first electrode on the first conductive type semiconductor layer, the first electrode being electrically connected to the first conductive type semiconductor layer; a plurality of reflective islands on the second conductive type semiconductor layer; a second electrode on the second conductive type semiconductor layer and the plurality of reflective islands, the second electrode being electrically connected to the second conductive type semiconductor layer; and a conductive support member on the second electrode.
    Type: Application
    Filed: October 27, 2010
    Publication date: April 28, 2011
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Dong Hun KANG
  • Patent number: 7918989
    Abstract: A gas sensor and method thereof are provided. The example gas sensor may include first and second electrodes formed on a substrate, a carbon nanotube connecting the first and second electrodes on the substrate, a light source disposed above the carbon nanotube and an ampere meter measuring current flowing between the first and second electrodes.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: April 5, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-hun Kang, Wan-jun Park, Chan-jin Park
  • Patent number: 7919365
    Abstract: Provided is a method of fabricating a ZnO thin film structure and a ZnO thin film transistor (TFT), and a ZnO thin film structure and a ZnO thin film transistor. The method of fabricating a ZnO thin film structure may include forming a ZnO thin film on a substrate in an oxygen atmosphere, forming oxygen diffusion layers of a metal having an affinity for oxygen on the ZnO thin film and heating the ZnO thin film and the oxygen diffusion layers to diffuse oxygen of the ZnO thin film into the oxygen diffusion layers.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: April 5, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Jung Kim, I-Hun Song, Dong-Hun Kang, Young-Soo Park, Eun-Ha Lee