Patents by Inventor Dong Hyun An

Dong Hyun 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: 8804083
    Abstract: A liquid crystal display device includes upper and lower pixels; gate lines in electrical connection with the adjacent pixels and extending in a row direction, and data lines which cross the gate lines; and a reference voltage line including a vertical portion which passes through the adjacent pixels, and horizontal portions which alternately extend from the vertical portion. Each of the adjacent pixels includes first and second thin film transistors (TFTs) each in electrical connection with a gate line and a data line which correspond to a respective pixel; and a pixel electrode including a first subpixel electrode in connection with an output terminal of the first TFT, and a second subpixel electrode in connection with an output terminal of the second TFT. The horizontal portions of the reference voltage line are in electrical connection with the second subpixel electrodes of the adjacent pixels.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: August 12, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Ho Park, Bo-Yeong Kim, Jae-Won Kim, Byoung-Sun Na, Hyung-Jun Park, Dong-Hyun Yoo, Kye-Uk Lee
  • Publication number: 20140223257
    Abstract: A semiconductor memory device that may correct error data using an error correction circuit is disclosed. The semiconductor memory device may include a DRAM cell array, a parity generator, a nonvolatile memory cell array and an error correction circuit. The parity generator is configured to generate a first set of parity bits having at least one bit based on input data. The nonvolatile memory cell array may store the input data and the first set of parity bits corresponding to the input data, and to output first data corresponding to the input data, and a second set of parity bits corresponding to the first set of parity bits. The error correction circuit is configured to generate second data as corrected data based on the first data.
    Type: Application
    Filed: January 28, 2014
    Publication date: August 7, 2014
    Inventors: Chi-Sung OH, Chul-Sung PARK, Sang-Bo LEE, Dong-Hyun SOHN
  • Publication number: 20140219000
    Abstract: A method of programming a memory device including a one-time programmable (OTP) cell array configured to include at least one of a protected area and a programmable area are disclosed. The method includes receiving a fuse-program command to initiate a fuse-programming operation; checking whether the programmable area exists in the OTP cell array, terminating the fuse-programming operation when the OTP cell array does not include the programmable area, performing a fuse-programming operation on the programmable area when the OTP cell array includes the programmable area thereby programming fuses to create a fuse-programmed area; setting the fuse-programmed area of the OTP cell array as the protected area.
    Type: Application
    Filed: December 16, 2013
    Publication date: August 7, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chi-Sung OH, Chul-Sung PARK, Nak-Won HEO, Dong-Hyun SOHN
  • Publication number: 20140221840
    Abstract: Provided are an ultrasound transducer, an ultrasound probe including the ultrasound transducer, and ultrasound diagnostic equipment including the ultrasound probe. The ultrasound transducer includes a piezoelectric unit including a plurality of piezoelectric elements which vibrate to convert ultrasound waves into electrical signals and electrical signals back into ultrasound waves, and a dummy piezoelectric unit which is disposed at edges of the effective piezoelectric unit and includes a plurality of dummy piezoelectric elements which vibrate due to vibration of the piezoelectric unit.
    Type: Application
    Filed: September 25, 2013
    Publication date: August 7, 2014
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Jong-sun KO, Gil-ju JIN, Jung-lim PARK, Dong-hyun KIM
  • Patent number: 8794778
    Abstract: A top chassis assembly includes a top chassis and a contact unit. The top chassis surrounds a non-display area of a display panel. The non-display area includes a pad part through which a signal is provided to the display panel. The contact unit is disposed at an inner surface of the top chassis and contacts the pad part on the non-display area of the display panel.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hyun Yoo, Bo-Yeong Kim, Jae-Won Kim, Kyung-Ho Park, Hyung-Jun Park
  • Patent number: 8793893
    Abstract: An apparatus for treating clothes and a method for controlling the same, which are capable of controlling or preventing formation of creases on clothes, are disclosed. The disclosed apparatus includes a drum (20), a steam generator (200) to supply steam to the drum (20), a water container (300) to store water to be supplied to the steam generator (200), the water container (300) detachable, a sensor (500) to sense whether the water container (300) is detached or attached, a water supplier (400) to supply the water stored in the water container (300) to the steam generator (200), and a controller to control an operation of the water supplier (400) based on a sensing result of the sensor (500).
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: August 5, 2014
    Assignee: LG Electronics Inc.
    Inventors: Sang Hun Bae, Jung Wook Moon, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
  • Publication number: 20140209816
    Abstract: A super-resolved optical imaging apparatus and a super-resolved optical imaging method using the apparatus are disclosed. The optical imaging apparatus can includes: a light source unit configured to supply an incident beam; a nano-pattern chip having a plurality of nanostructures; a light adjustment system configured to change an incidence property of the incident beam in at least one of a horizontal direction and a depth direction such that surface plasmon resonance occurs in a localized area of the plurality of nanostructures; and an image detection unit configured to extract fluorescence signals generated by the surface plasmon resonance from a specimen positioned in the localized area and convert the fluorescence signals into an image.
    Type: Application
    Filed: December 27, 2013
    Publication date: July 31, 2014
    Applicant: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Dong Hyun Kim, Won-ju Lee, Youngjin Oh, Jong-ryul Choi, Taehwang Sohn
  • Patent number: 8790976
    Abstract: A conductive pattern on a substrate is formed. An insulating layer having an opening exposing the conductive pattern is formed. A bottom electrode is formed on the conductive pattern and a first sidewall of the opening. A spacer is formed on the bottom electrode and a second sidewall of the opening. The spacer and the bottom electrode are formed to be lower than a top surface of the insulating layer. A data storage plug is formed on the bottom electrode and the spacer. The data storage plug has a first sidewall aligned with a sidewall of the bottom electrode and a second sidewall aligned with a sidewall of the spacer. A bit line is formed on the data storage plug.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: July 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gyu-Hwan Oh, Sung-Lae Cho, Byoung-Jae Bae, Ik-Soo Kim, Dong-Hyun Im, Doo-Hwan Park, Kyoung-Ha Eom, Sung-Un Kwon, Chul-Ho Shin, Sang-Sup Jeong
  • Patent number: 8791032
    Abstract: A method of manufacturing a thin film transistor (TFT), a TFT manufactured by the method, a method of manufacturing an organic light-emitting display apparatus that includes the TFT, a display including the TFT. By including a buffer layer below and an insulating layer above a silicon layer for the TFT, the silicon layer can be crystallized without being exposed to air, so that contamination can be prevented. Also, due to the overlying insulating layer, the silicon layer can be patterned without directly contacting photoresist. The result is a TFT with uniform and improved electrical characteristics, and an improved display apparatus.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 29, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Keon Park, Jong-Ryuk Park, Dong-Hyun Lee, Jin-Wook Seo, Ki-Yong Lee
  • Patent number: 8791304
    Abstract: The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: July 29, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Moo-Ho Hong, Sung-Shik Eom, Yong-Jin Choe, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi
  • Publication number: 20140206899
    Abstract: The present invention relates to an improved method for purifying a sulfonated aromatic monomer. The method is an economical method capable of providing a highly pure sulfonated aromatic monomer, in which a salt precipitation step and a recrystallization step are simplified while maintaining the reaction conditions used in a conventional method for synthesizing the sulfonated aromatic monomer, and a purification process is carried out using an easily available and stable chemical substance. The sulfonated aromatic monomer obtained by the purification method will be useful for the preparation of a polymer for a polymer electrolyte membrane and will be advantageous to synthesize polymer with high molecular weight.
    Type: Application
    Filed: November 14, 2011
    Publication date: July 24, 2014
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Taik Hong, Seog Je Kim, Ji Young Park, Dong Hyun Lee
  • Patent number: 8785069
    Abstract: A fuel cell system includes a fuel cell stack, an oxidizer supply unit, a reformer, a fuel tank, and a water tank. The reformer generates a hydrogen-containing reformed gas reformed from hydrocarbon-based fuel and supplies it to the fuel cell stack. The fuel tank supplies the hydrocarbon-based fuel to the reformer. The water tank supplies water to the reformer. The reformer includes a reforming unit configured to have a reforming reaction generated therein, a combustion unit configured to supply heat energy to the reforming unit, and a carbon monoxide reduction unit configured to reduce the concentration of carbon monoxide in a reformed gas discharged from the reforming unit. A combustion gas pipe is connected to the combustion unit. A reformed gas pipe is disposed between the reforming unit and the carbon monoxide reduction unit.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: July 22, 2014
    Assignee: Samsung SDI Co., Ltd
    Inventors: Hyun Kim, Dong-Rak Kim, Dong-Hyun Kim, Ming-Zi Hong, Woong-Ho Cho
  • Patent number: 8785237
    Abstract: A method of forming a variable resistance memory device includes forming an opening in an insulating layer, and forming a variable resistance layer by filling the opening with an antimony rich antimony-tellurium compound.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: July 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Hyun Im, Hyeonggeun An, Sunglae Choi, Ik Soo Kim
  • Patent number: 8784903
    Abstract: The present invention relates to an extract of a processed herbal medicinal plant and a composition for skin external application which contains the extract. More specifically, the composition for skin external application contains an extract of processed herbal medicinal plant, prepared through a method comprising the steps of: (a) processing an herbal medicinal plant by a process of boiling, steaming, roasting, baking or heating the medicinal plant or a combination of two or more of these processes; (b) obtaining an extract of the processed medicinal plant. The composition shows an improved antioxidant effect.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: July 22, 2014
    Assignee: Amorepacific Corporation
    Inventors: Jun Seong Park, Hye Yoon Park, Dong Hyun Kim, Eun Jeong Moon, Ji Hye Chung, Jae Kyoung Lee, Duck Hee Kim, Han Kon Kim
  • Publication number: 20140191850
    Abstract: An RFID reader control system and method is provided. A protocol for controlling an RFID reader and an RFID reader control unit of a mobile phone is defined. Messages, information, commands, responses, and notification are constructed and transmitted between the RFID reader and the RFID reader control unit.
    Type: Application
    Filed: March 12, 2014
    Publication date: July 10, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hyup RYOO, Jin Tae KIM, Sang Cheol MIN, Hee Seung KIM, Jae Joon PARK, Dong Hyun LEE, Yong Sam KIM
  • Publication number: 20140192540
    Abstract: Disclosed is a lighting device capable of reducing UGR (Unified Glare Rating). in a illuminating member, reflection efficiency of light significantly scattering to the left and right among light applied to the air gap through the diffusion plate is increased using the adhesion material pattern layer of periphery surrounding an air gap, and simultaneously, the UGR may be reduced by removing the process disposing the pattern with a specific structure and increasing the process efficiency.
    Type: Application
    Filed: July 26, 2012
    Publication date: July 10, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jun Phill Eom, Dong Mug Seong, Dong Hyun Lee, Beom Sun Hong, Yong In Lee
  • Publication number: 20140191849
    Abstract: An RFID reader control system and method is provided. A protocol for controlling an RFID reader and an RFID reader control unit of a mobile phone is defined. Messages, information, commands, responses, and notification are constructed and transmitted between the RFID reader and the RFID reader control unit.
    Type: Application
    Filed: March 12, 2014
    Publication date: July 10, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hyup RYOO, Jin Tae KIM, Sang Cheol MIN, Hee Seung KIM, Jae Joon PARK, Dong Hyun LEE, Yong Sam KIM
  • Patent number: 8772534
    Abstract: The present invention provides a method of recovering a (meth)acrylic acid ester, which comprises the steps of: (a) carrying out an esterification reaction between an alcohol and (meth)acrylic acid in the presence of a catalyst to obtain a (meth)acrylic acid ester, wherein a byproduct is generated together with the (meth)acrylic acid ester; and (b) subjecting the byproduct generated in step (a) to a reaction with a catalyst and water in a reactor, wherein the water is fed into the reactor in order that water content exceeds 0 wt % but is 10 wt % or less in the reactor based on the total weight of reactants comprising the byproduct, the catalyst and the water, and thereby separating the (meth)acrylic acid, the alcohol and the (meth)acrylic acid ester contained in the byproduct from the byproduct to obtain the (meth)acrylic acid, the alcohol and the (meth)acrylic acid ester as a recovered product.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: July 8, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Se-Won Baek, Hyun-Kyu Kim, Jun-Seok Ko, Kyoung-Su Ha, Sung-Koo Park, Dong-Hyun Woo
  • Patent number: 8771420
    Abstract: A substrate processing apparatus that forms thin films on a plurality of substrates and thermally processes the substrates, by uniformly heating the substrates. The substrate processing apparatus includes a processing chamber, a boat in which substrates are stacked, an external heater located outside of the processing chamber, a feeder to move the boat into and out of the processing chamber, a lower heater located below the feeder, and a central heater located in the center of the boat.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: July 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heung-Yeol Na, Ki-Yong Lee, Jin-Wook Seo, Min-Jae Jeong, Jong-Won Hong, Eu-Gene Kang, Seok-Rak Chang, Yun-Mo Chung, Tae-Hoon Yang, Byung-Soo So, Byoung-Keon Park, Dong-Hyun Lee, Kil-Won Lee, Jong-Ryuk Park, Bo-Kyung Choi, Ivan Maidanchuk, Won-Bong Baek, Jae-Wan Jung
  • Publication number: 20140184970
    Abstract: A liquid crystal display includes a gate line formed on an insulation substrate. A data line, insulated from the gate line, crosses the gate line. A first pixel is connected to the gate line and the data line. The pixel includes a thin film transistor having a control terminal connected to the gate line and an input terminal connected to the data line. A first liquid crystal capacitor has one end connected to an output terminal of the thin film transistor. A second liquid crystal capacitor has one end connected to the other end of the first liquid crystal capacitor. The first liquid crystal capacitor includes a first liquid crystal layer formed in a first microcavity and the second liquid crystal capacitor includes a second liquid crystal layer formed in a second microcavity.
    Type: Application
    Filed: May 8, 2013
    Publication date: July 3, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joo-Han Bae, Dong Hyun Yu, Hyung-IL Jeon