Patents by Inventor Hyuk AN

Hyuk 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).

  • LUMINESCENT COMPOUNDS AND ELECTROLUMINESCENT DEVICE USING THE SAME
    Publication number: 20110054229
    Abstract: The present invention relates to organic electroluminescent compounds and organic electroluminescent devices employing the same. More specifically, the invention relates to organic electroluminescent compounds containing an anthracenyl group or an aryl group having an anthracenyl substituent m the aryl ring of fluorene or indenofluorene, as a blue electroluminescent material in an organic electroluminescent layer. The electroluminescent compounds according to the invention exhibit high luminous efficiency and excellent life property, so that an OLED device having very good operation lifetime can be prepared therefrom.
    Type: Application
    Filed: November 23, 2007
    Publication date: March 3, 2011
    Applicant: GRACEL DISPLAY INC.
    Inventors: Il-Won Choi, Chi-Sik Kim, Hyuk-Joo Kwon, Young-Jun Kwon, Bong-Ok Kim, Sung-Min Kim, Seung Soo Yoon
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20110049485
    Abstract: Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high luminance and long lifespans.
    Type: Application
    Filed: August 10, 2010
    Publication date: March 3, 2011
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee, Hee-Joo Ko, Jin-O Lim
  • TABLE SAW WITH RATCHET MECHANISM
    Publication number: 20110048195
    Abstract: A table saw in one embodiment includes a work-piece support surface, a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above the work-piece support surface and a second swing arm position whereat the portion of the shaping device does not extend above the work-piece support surface, a first ratchet member operatively connected to the swing arm assembly, and a second ratchet member movable between a first ratchet position whereat rotation of the first ratchet member in a first and a second direction is allowed, and a second ratchet position whereat the second ratchet member is engaged with the first ratchet member such that rotation in only the first direction is allowed.
    Type: Application
    Filed: August 26, 2009
    Publication date: March 3, 2011
    Applicants: Credo Technology Corporation, Robert Bosch GmbH
    Inventors: Brian Hyuk Joon Chung, Robert S. Doumani, Brady J. Groth
  • ELECTRODE CATALYST, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING THE ELECTRODE CATALYST
    Publication number: 20110053039
    Abstract: An electrode catalyst for a fuel cell having comparable electrochemical activity as a platinum electrode catalyst but is much cheaper than the platinum electrode catalyst has a structure in which palladium and at least one metal catalyst selected from the group consisting of nickel, gold, iron, and silver, and combinations thereof, are supported on a tungsten carbide and carbon mesoporous composite support. A membrane electrode assembly and a fuel cell including the electrode catalyst also has comparable electrochemical activity as a platinum electrode catalyst but is also much cheaper than the platinum electrode catalyst.
    Type: Application
    Filed: December 9, 2009
    Publication date: March 3, 2011
    Applicants: Samsung Electronics Co., Ltd., Postech Academy-Industry Foundation
    Inventors: Chan-ho Pak, Dong Jin Ham, Jae-sung Lee, Hyuk Chang, Gang-hong Bae
  • TABLE SAW WITH ACTUATOR RESET MECHANISM
    Publication number: 20110048204
    Abstract: A power tool in one embodiment includes a work-piece support surface, a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above the work-piece support surface and a second swing arm position whereat the portion of the shaping device does not extend above the work-piece support surface, a latch hold pivotable between a first latch hold position whereat the swing arm assembly can be supported by the latch hold in the first swing arm position and a second latch hold position whereat the swing arm assembly cannot be supported by the latch hold in the first swing arm position, an actuator chamber configured to receive at least one actuator, an opening in the actuator chamber, and a plug aligned with the opening and connected to the latch hold.
    Type: Application
    Filed: August 26, 2009
    Publication date: March 3, 2011
    Applicants: Credo Technology Corporation, Robert Bosch GmbH
    Inventor: Brian Hyuk Joon Chung
  • HETEROARYLAMINE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20110049484
    Abstract: Embodiments of the present invention are directed to heteroarylamine compounds and organic light-emitting devices including the heteroarylamine compounds. The organic light-emitting devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifespans.
    Type: Application
    Filed: July 6, 2010
    Publication date: March 3, 2011
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim
  • TABLE SAW WITH BELT STOP
    Publication number: 20110048190
    Abstract: A table saw in one embodiment includes a work-piece support surface, a shaping device support shaft automatically retractable along a retraction path to a location beneath the work-piece support surface in response to a sensed condition, a belt positioned across the retraction path, and a control system configured to cause shaping device support shaft to retract along the retraction path in response to a sensed condition.
    Type: Application
    Filed: August 26, 2009
    Publication date: March 3, 2011
    Applicants: Credo Technology Corporation, Robert Bosch GmbH
    Inventor: Brian Hyuk Joon Chung
  • NONVOLATILE MEMORY CELL AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20110049592
    Abstract: Provided are a nonvolatile memory cell and a method of manufacturing the same. The nonvolatile memory cell includes a memory transistor and a driver transistor. The memory transistor includes a semiconductor layer, a buffer layer, an organic ferroelectric layer, and a gate electrode, which are disposed on a substrate. The driver transistor includes the semiconductor layer, the buffer layer, a gate insulating layer, and the gate electrode, which are disposed on the substrate. The memory transistor and the driver transistor are disposed on the same substrate. The nonvolatile memory cell is transparent in a visible light region.
    Type: Application
    Filed: July 19, 2010
    Publication date: March 3, 2011
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Min YOON, Chun Won BYUN, Shin Hyuk YANG, Sang Hee PARK, Soon Won JUNG, Seung Youl KANG, Chi Sun HWANG, Byoung Gon YUN
  • HETEROARYLAMINE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20110049494
    Abstract: Embodiments of the present invention are directed to heteroarylamine compounds and organic light-emitting devices including the heteroarylamine compounds. The organic light-emitting devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifespans.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 3, 2011
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim, Chang-Ho Lee
  • SOLID OXIDE FUEL CELL AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20110053045
    Abstract: Disclosed is a solid oxide fuel cell, including a polygonal tubular support an outer surface of which has a plurality of planes, a plurality of unit cells respectively formed on the plurality of planes of the tubular support, inner connectors for connecting the plurality of unit cells in series, and a pair of outer connectors for connecting the plurality of unit cells connected in series to a current collector, so that respective unit cells are connected in series on the planes of the tubular support, thus exhibiting excellent cell performance and high power density per unit volume, and maintaining high voltage upon collection of current to thereby reduce power loss due to electrical resistance. A method of manufacturing the solid oxide fuel cell is also provided.
    Type: Application
    Filed: October 30, 2009
    Publication date: March 3, 2011
    Inventors: Sung Han KIM, Jae Hyuk Jang, Jong sik Yoon, Kyong Bok Min, Eon Soo Lee, Han Wool Ryu, Hong Ryul Lee, Jong Ho Chung, Jae Hyoung Gil
  • HETEROARYLAMINE COMPOUND AND ORGANIC LUMINESCENCE DEVICE USING THE SAME
    Publication number: 20110049487
    Abstract: Embodiments of the present invention are directed to heteroarylamine compounds and organic luminescence devices including the heteroarylamine compounds. The organic luminescence devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifetimes.
    Type: Application
    Filed: August 16, 2010
    Publication date: March 3, 2011
    Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim, Chang-Ho Lee
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20110049486
    Abstract: Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high brightness and long lifespans.
    Type: Application
    Filed: August 12, 2010
    Publication date: March 3, 2011
    Inventors: Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim
  • Dual port memory device, memory device and method of operating the dual port memory device
    Patent number: 7898880
    Abstract: A dual port memory device converts an address and a control signal, which are inputted via a first port and conform to a first type memory interface, into an address and a control signal which conform to a second type memory interface, to access a memory array. The dual port memory device accesses a memory array based on an address and a control signal which are inputted via a second port and conform to the second type memory interface. The dual port memory device accesses a memory array according to the first type memory interface or the second type memory interface in response to a selecting signal. Therefore, the dual port memory device can be coupled to a processor with a first interface (e.g., PSRAM or SRAM interface) and a processor with a second interface (e.g., SDRAM interface).
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: March 1, 2011
    Assignee: Mtekvision Co., Ltd.
    Inventors: Yu-Hwan Jung, Ji-Tae Ha, Chang-Hyuk Hui, Young-Hun Lim
  • Non-volatile memory devices including double diffused junction regions
    Patent number: 7898039
    Abstract: A nonvolatile memory device includes a string selection gate and a ground selection gate on a semiconductor substrate, and a plurality of memory cell gates on the substrate between the string selection gate and the ground selection gate. First impurity regions extend into the substrate to a first depth between ones of the plurality of memory cell gates. Second impurity regions extend into the substrate to a second depth that is greater than the first depth between the string selection gate and a first one of the plurality of memory cell gates immediately adjacent thereto, and between the ground selection gate and a last one of the plurality of memory cell gates immediately adjacent thereto. Related fabrication methods are also discussed.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: March 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Yean Oh, Jai-Hyuk Song, Chang-Sub Lee, Chang-Hyun Lee, Hyun-Jae Kim
  • Semiconductor memory device
    Patent number: 7898891
    Abstract: A semiconductor memory device includes a charge pumping circuit, a level sensor, an oscillator, and a pumping control signal generator. The charge pumping circuit performs a negative-pumping operation to an external power in order to generate an internal voltage having a level lower than the external power. The level sensor senses a level of the internal voltage corresponding to a level of an adjusted reference voltage during a refresh mode. The oscillator generates a period signal in response to a sensing signal of the level sensor. The pumping control signal generator controls the operation of the charge pumping circuit in response to the period signal.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: March 1, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventor: Jae-Hyuk Im
  • Multi-bit data memory system and read operation
    Patent number: 7898853
    Abstract: Provided is a read operation for a N-bit data non-volatile memory system. The method includes determining in relation to data states of adjacent memory cells associated with a selected memory cell in the plurality of memory cells whether read data obtained from the selected memory cell requires compensation, and if the read data requires compensation, replacing the read data with compensated read data.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: March 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Jae Lee, Dong-Ku Kang, Seung-Hwan Song, Jun-Jin Kong, Dong-Hyuk Chae, Sung-Chung Park
  • METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE USING FLEXIBLE ORTHOGONAL TRANSFORM
    Publication number: 20110044551
    Abstract: A method and apparatus for encoding an image by freely combining a plurality of prediction schemes and a plurality of orthogonal transform schemes based on grouping and matching of the plurality of prediction schemes and the plurality of orthogonal transform schemes is provided.
    Type: Application
    Filed: August 19, 2010
    Publication date: February 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyo-hyuk LEE, Jong-bum CHOI, Min-su CHEON, Jianle CHEN
  • COMPOSITION FOR LIQUID CRYSTAL ALIGNMENT LAYER, PREPARATION METHOD OF LIQUID CRYSTAL ALIGNMENT LAYER USING THE SAME, AND OPTICAL FILM COMPRISING THE LIQUID CRYSTAL ALIGNMENT LAYER
    Publication number: 20110043731
    Abstract: The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved.
    Type: Application
    Filed: January 19, 2009
    Publication date: February 24, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Du-Hyun Shin, Hyuk Yoon, Moon-Soo Park
  • ORGANIC/INORGANIC COMPOSITE POROUS MEMBRANE AND ELECTROCHEMICAL DEVICE USING THE SAME
    Publication number: 20110045168
    Abstract: The present invention provides an organic/inorganic composite porous separator, which comprises: (a) a porous substrate having pores; and (b) an organic/inorganic composite layer formed by coating at least one region selected from the group consisting of a surface of the substrate and a part of pores present in the substrate with a mixture of inorganic porous particles and a binder polymer, wherein the inorganic porous particles have a plurality of macropores with a diameter of 50 nm or greater in the particle itself thereby form a pore structure, a manufacturing method thereof, and an electrochemical device using the same. As an additional pathway for lithium ions is created due to a number of pores existing in the inorganic porous particle itself, degradation in the battery performance can be minimized, and energy density per unit weight can be increased by the weight loss effect.
    Type: Application
    Filed: November 1, 2010
    Publication date: February 24, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Dae Jong SEO, Seok Koo KIM, Jang Hyuk HONG, Joon Yong SOHN, Sang Young LEE, Soon Ho AHN
  • Blanket hanger
    Patent number: D633310
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: March 1, 2011
    Assignee: LG Electronics Inc.
    Inventors: Seung Hyun Song, Ki Hyuk Kim, Eun Young Jee, Min Jung You