Patents by Inventor Seong Nam An

Seong Nam 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).

  • Publication number: 20100103365
    Abstract: A liquid crystal display (LCD) which can be driven at a low voltage and has a fast response time. The LCD includes a liquid crystal composition interposed between a first substrate and a second substrate, wherein the liquid crystal composition includes a first polar liquid crystal compound and a second polar liquid crystal compound, each in an amount of 20% or less by weight based on a weight of the liquid crystal composition, wherein the first polar liquid crystal compound is represented by and the second polar liquid crystal compound is represented by at least one of where each of R1, R2, and R3, and R4 independently is an alkyl group, an alkoxy group, or an alkenyl group having about 2 to about 15 carbon atoms.
    Type: Application
    Filed: May 27, 2009
    Publication date: April 29, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seong-Nam LEE, Nam-Seok LEE, Jeong-Uk HEO, Kyong-Ok PARK, Sung-Hwan HONG
  • Patent number: 7677693
    Abstract: A line printing type inkjet image forming apparatus and a method of enhancing printed image quality. The inkjet image forming apparatus includes a printhead having one or more subheads having nozzles and a length corresponding to a width of a print medium, a driving unit to drive the nozzles, a first feeding path, a second feeding path through which the print medium is guided to be again fed along the first feeding path, a path conversion guide unit being disposed in a position where the first and second feeding paths intersect to guide the print medium to be discharged or fed along the second feeding path, a print medium feeding unit, and a controller to synchronize operations of the driving unit, the path conversion guide unit, and the print medium feeding unit, wherein the controller drives the nozzles and the nozzles divided in groups in the same direction time-divisionally.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: March 16, 2010
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seong-nam Jeon, Jung-hwan Kim
  • Publication number: 20100007701
    Abstract: A ceramic printed circuit board (PCB) and an inkjet printhead assembly using the ceramic PCB. A ceramic PCB in which a plurality of layers are stacked includes a plurality of terminals to receive an electric signal from an external source, a plurality of circuit patterns connected to the plurality of terminals to transmit the electric signal, and a termination resistor having a predetermined thickness disposed between the plurality of circuit patterns, wherein the termination resistor is mounted between the plurality of stacked layers.
    Type: Application
    Filed: January 16, 2009
    Publication date: January 14, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jun-ho LEE, Seong-nam Jeon
  • Publication number: 20090286466
    Abstract: A mobile terminal and method of controlling a broadcast therein are provided by which a broadcast signal can be received and outputted in a manner of setting a frequency band corresponding to a visited country in case of international roaming of the mobile terminal. A memory may store per-country broadcast relevant information and a controller may search the memory for broadcast relevant information corresponding to a visited country in case of detecting international migration. The controller may set the searched broadcast relevant information when the search for the broadcast relevant information corresponding to the visited country is successful.
    Type: Application
    Filed: February 17, 2009
    Publication date: November 19, 2009
    Inventors: Seong Nam Kim, Beom Seok Cho
  • Publication number: 20090185120
    Abstract: A thin-film transistor (“TFT”) substrate includes; a substrate including both a light-transmitting region and a light-blocking region, a solar cell pattern disposed on the light-blocking region of the substrate, and comprising at least one solar cell, an insulation layer disposed on the solar cell pattern, and a TFT disposed on the insulation layer.
    Type: Application
    Filed: January 12, 2009
    Publication date: July 23, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soo-Wan YOON, Ho-Yun BYUN, Jeong-Uk HEO, Chong-Chul CHAI, Nam-Seok LEE, Su-Jeong KIM, Sung-Hwan HONG, Seong-Nam LEE, Jung-Hun LEE, Ji-Yoon JUNG, Kwang-Hyun KIM, Kyong-Ok PARK
  • Publication number: 20090147206
    Abstract: An end-sealant composition for a liquid crystal display (LCD) panel includes an acrylic polymer resin, a polymeric photoinitiator polymerized into an acrylic chain, and an acryl-philic coupling agent. The end-sealant composition exhibits reduced diffusion into the liquid crystals during an end-sealant forming process. Image defects such as stains around fill ports and incidental images are thereby prevented, so that high quality displays can be prepared. Use of the end-sealant composition can provide high performance for high dielectric constant liquid crystals that are widely used in the fabrication of liquid crystal display panels.
    Type: Application
    Filed: September 30, 2008
    Publication date: June 11, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seong-Nam LEE, Jeong-Uk HEO, Nam-Seok LEE, Jun-Hyup LEE, Jung-Hun LEE
  • Publication number: 20090131030
    Abstract: A mobile terminal including a broadcast receiver configured to receive broadcast program information related to available broadcast programs, a memory configured to store user-schedule information and the received broadcast program information, and a controller configured to update the stored user-schedule information to include a broadcast schedule corresponding to a broadcast program selected from the available broadcast programs included in the broadcast program information.
    Type: Application
    Filed: November 5, 2008
    Publication date: May 21, 2009
    Inventor: Seong-Nam KIM
  • Patent number: 7497966
    Abstract: The present invention is related to a chemical-mechanical polishing slurry for shallow trench isolation, more concretely, to a chemical-mechanical polishing slurry comprising an aqueous abrasive solution comprised of deionized water, polishing particles, and a polishing particle dispersant; and an aqueous additive solution comprised of a carboxylic acid polymer compound, a nitrogen-containing organic cyclic compound, and an amine-group compound. The removal selectivity of the slurry may be improved by significantly lowering the speed of polishing of nitride film by adding a nitrogen-containing organic cyclic compound to an acrylic acid polymer compound, and by increasing the speed of removal of silicon oxide film by adding an amine-group compound, which is an accelerator of hydrolysis of silicon oxide film.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: March 3, 2009
    Assignee: Hanwha Chemical Corporation
    Inventors: Ho-Seong Nam, Jin-Seo Lee, Gui-Ryong Ahn
  • Publication number: 20090005118
    Abstract: A terminal, a computer program product and a method of providing broadcasts thereto by which a single SIM card call receive broadcasts provided by a plurality of broadcast providers in a manner of deactivating a function of receiving broadcasts provided by a first broadcast provider. A function of only receiving a broadcast provided by a first broadcast provider is deactivated, broadcasts of a plurality of broadcast providers in a current area are searched, and information for the searched broadcasts are displayed.
    Type: Application
    Filed: December 28, 2007
    Publication date: January 1, 2009
    Applicant: LG Electronics Inc.
    Inventors: Seong Nam Kim, Ji Soo Bae, Sung Oh Cho, Beom Seok Cho
  • Publication number: 20080316237
    Abstract: An inkjet image forming apparatus includes a print head, an ink supply unit, an ink supply flow path connecting the ink supply unit and the print head, an ink supply amount detector which detects the amount of ink supplied through the ink supply flow path, and a controller which controls a maintenance operation of the print head according to the amount of supplied ink detected by the ink supply amount detector. The controller determines the states of nozzles of the print head according to the amount of supplied ink and cleans the nozzles using supersonic waves or performs wiping and spitting of the nozzles, thereby achieving efficient maintenance.
    Type: Application
    Filed: April 15, 2008
    Publication date: December 25, 2008
    Applicant: Samsung Electronics Co., Ltd
    Inventor: Seong Nam JEON
  • Publication number: 20080316248
    Abstract: A method and apparatus to detect the temperature of an inkjet head are provided. A method of detecting the temperature of an inkjet head, comprising detecting an amount of printing data allocated to each of a plurality of unit head chips of the inkjet head, determining a detection frequency of temperature information on each of the plurality of unit head chips according to the detected amount of printing data, and detecting the temperature information on each of the plurality of unit head chips according to the determined detection frequency.
    Type: Application
    Filed: February 4, 2008
    Publication date: December 25, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jun-ho LEE, Seong-nam JEON
  • Publication number: 20080259002
    Abstract: The present invention relates to a plasma display apparatus. The plasma display apparatus includes an upper substrate; first and second electrodes formed on the upper substrate; a lower substrate disposed opposite to the upper substrate; and a third electrode formed on the lower substrate. At least one of the first and second electrodes is formed as one layer, and includes first and second electrode lines formed in a direction intersecting the third electrode and a connecting electrode that connects the first and second electrode lines. The distance between the first and second electrode lines has a value of 2 or more in one discharge cell. Accordingly, manufacturing cost of a plasma display panel can be saved by removing a transparent electrode made from ITO. Further, a discharge firing voltage can be reduced and the luminance of a display image can also be improved by variably adjusting the distance between two electrode lines constituting a scan or sustain electrode.
    Type: Application
    Filed: April 17, 2008
    Publication date: October 23, 2008
    Applicant: LG Electronics Inc.
    Inventors: Jeong Hyun HAHM, Seong Nam RYU, Woo Tae KIM, Young Gwang KANG, Jin Yeop KIM, Hee Kwon KIM
  • Publication number: 20080248832
    Abstract: A mobile communication terminal and method of controlling a broadcast output thereof are discussed, by which the broadcast output can be controlled by terminating the broadcast output in case that a call signal is received by the mobile communication terminal in the course of a broadcast viewing. An embodiment of the present invention includes receiving a call signal in the course of a broadcast program output and ending the broadcast program output in response to the received call.
    Type: Application
    Filed: January 10, 2008
    Publication date: October 9, 2008
    Inventors: Seong Nam KIM, Su Yeon Hwang, Jin Sun Shim, Jong Hyan Park
  • Publication number: 20080180474
    Abstract: An electronic apparatus capable of preventing a peak current from being introduced into internal units of the electronic apparatus when the internal units are simultaneously activated and a method to control one or more internal units thereof. The electronic apparatus includes at least one internal unit and a signal generator to generate a drive pulse having a width that gradually changes in an edge region and to drive the at least one internal unit. Accordingly a peak current is prevented from being introduced into the internal units by gradually increasing or decreasing the drive pulse to drive the internal units as time changes or by dividing the internal units into a block unit and sequentially providing the drive pulse to the internal units.
    Type: Application
    Filed: July 5, 2007
    Publication date: July 31, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seong-nam Jeon, Chun-ku Han
  • Publication number: 20080174616
    Abstract: A data interfacing apparatus and method of a print head chip are provided. The data interfacing apparatus includes a drive module to output a low-speed signal with a slow transmission speed and a high-speed signal requiring a fast transmission speed, a connection cable transmitting the low-speed signal and the high-speed signal, and a print head chip to operate in response to the low-speed signal and the high-speed signal transmitted through the connection cable, wherein the drive module includes multiplexers to perform a switching operation so that the connection cable is earthed to a ground in response to the high-speed signal, and wherein the print head chip includes de-multiplexers to perform a switching operation in response to the operation of the multiplexers.
    Type: Application
    Filed: June 25, 2007
    Publication date: July 24, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Seong-nam Jeon
  • Publication number: 20080153514
    Abstract: Provided are an apparatus and a method for identifying a position information of a portable terminal using a mobile communication network and obtaining provincial information (e.g., meteorological information, traffic information, etc.) corresponding to the identified position information through a broadband communication network in a multimode portable communication system supporting access to the mobile communication network and the broadband communication network.
    Type: Application
    Filed: December 4, 2007
    Publication date: June 26, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Hwa-Seong Nam
  • Publication number: 20070285356
    Abstract: The present invention relates to a plasma display apparatus. The plasma display apparatus includes an upper substrate, a scan electrode, a sustain electrode, a dielectric layer, a lower substrate, and address electrodes. The scan and sustain electrodes are formed on the upper substrate, and the dielectric layer covers the scan and sustain electrodes. The lower substrate faces the upper substrate, and the address electrodes are formed on the lower substrate. In plasma display apparatus, at least one of the scan and sustain electrodes is formed as one layer. A reset signal including a gradually falling setdown period is supplied to the scan electrode more than two times in at least one reset period among a plurality of subfields.
    Type: Application
    Filed: December 28, 2006
    Publication date: December 13, 2007
    Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A. Kang, Jeong Hyun Hahm, Jae Sung Kim
  • Publication number: 20070279321
    Abstract: A plasma display apparatus is provided. The plasma display apparatus including an upper substrate; a plurality of first electrodes and second electrodes formed in the upper substrate; a lower substrate arranged to be opposite to the upper substrate; and a plurality of third electrodes and barrier ribs formed in the lower substrate includes a black matrix formed in the upper substrate to be overlapped with the barrier ribs; and a fourth electrode formed on the black matrix to intersect the third electrodes, wherein at least one of the plurality of first and second electrodes is formed in one layer.
    Type: Application
    Filed: March 22, 2007
    Publication date: December 6, 2007
    Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A. Kang, Jeong Hyun Hahm, Jae Sung Kim
  • Publication number: 20070279330
    Abstract: The present invention relates to a plasma display apparatus, which includes a front substrate; a first, a second electrode formed on the front substrate; a rear substrate that is faced with the front substrate; a third electrodes formed on the rear substrate; a first barrier rib formed in parallel with the third electrodes; and a discharge cell that is partitioned by the first barrier rib, wherein at least one of the first and the second electrode is formed with one layer, wherein, among a plurality of discharge cells, the distance between the first barrier ribs partitioning the first discharge cell is different from the distance between the first barrier ribs partitioning the second discharge cell radiating a different color with the first discharge cell. Accordingly, the manufacturing cost can be reduced by removing the transparent electrode of ITO, the color temperature and the luminance efficiency can be improved with the asymmetric size of R, G, B discharge cell.
    Type: Application
    Filed: February 9, 2007
    Publication date: December 6, 2007
    Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A. Kang, Jeong Hyun Hahm, Jae Sung Kim
  • Publication number: 20070278954
    Abstract: The present invention relates to a plasma display apparatus. The plasma display apparatus comprises a front substrate; a first electrode, a second electrode and a dielectric layer formed on the front substrate; a rear substrate faced with the front substrate; a third electrode formed on the rear substrate; and a barrier rib which is formed on the rear substrate and patitions discharge cells, wherein at least one of the first electrode and the second electrode is formed with one layer, and the width of at least one of barrier ribs which patition the discharge cells in the outside of an effective display region is wider than the width of barrier ribs which patition the discharge cells in the inside of the effective display region. The plasma display apparatus according to the present invention removes a transparent electrode consisting of ITO to reduce the manufacturing cost of the plasma display panel.
    Type: Application
    Filed: November 8, 2006
    Publication date: December 6, 2007
    Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A. Kang, Jeong Hyun Hahm, Jae Sung Kim