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).

  • Patent number: 8158024
    Abstract: A liquid crystal display includes a first substrate; a second substrate facing the first substrate; a pair of field generating electrodes disposed on at least one of the first and the second substrates; and a liquid crystal layer disposed between the first and the second substrates; wherein the liquid crystal layer includes a liquid crystal composition including a polar compound, the polar compound including a compound represented by Formula 1: wherein A represents X is a halogen, R1 is a substituted or unsubstituted C1-C10 alkyl group or a substituted or unsubstituted C1-C10 alkoxy group and R2 is a C1-C5 alkyl group or a C1-C5 alkoxy group.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: April 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-Hyung Park, Jin-Lak Kim, Jeong-Uk Heo, Seong-Nam Lee, Jang-Hyun Kim
  • Patent number: 8147024
    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: Grant
    Filed: April 15, 2008
    Date of Patent: April 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seong Nam Jeon
  • Patent number: 8115898
    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: Grant
    Filed: May 27, 2009
    Date of Patent: February 14, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Nam Lee, Nam-Seok Lee, Jeong-Uk Heo, Kyong-Ok Park, Sung-Hwan Hong
  • Publication number: 20120021288
    Abstract: The invention provides an anion-deficient lithium transition-metal phosphate as an electrode-active material, which is represented by the chemical formula Li1?xM(PO4)1?y (0?x?0.15, 0?y?0.05). The invention provides a method for preparing said Li1?xM(PO4)1?y, which comprises preparing a precursor of lithium transition-metal phosphate; mixing said precursor with water under reaction conditions of 200˜700 and 180˜550 bar to produce an anion-deficient lithium transition-metal phosphate; and calcining, or granulating and calcining the resultant compound. The invention also provides electrochemical devices employing said Li1?xM(PO4)1?y as an electrode-active material.
    Type: Application
    Filed: January 21, 2010
    Publication date: January 26, 2012
    Applicant: HANWHA CHEMICAL CORPORATION
    Inventors: Kyu Ho Song, Soo Yong Han, Ho Seong Nam, Eui Yong Bang, Se Jin Oh, In Jae Baek, So Yeon Kim, Kyoo Seung Han
  • Patent number: 8048334
    Abstract: A display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a switching element connected to a gate line and a data line crossing each other, and a pixel electrode electrically connected to the switching element. The pixel electrode includes a first domain-dividing portion extending in a direction. The second substrate is spaced apart from the first substrate to have a cell gap of about 3.1 ?m to about 3.3 ?m. The second substrate includes a common electrode including a second domain dividing portion formed in a region between the first domain-dividing portions adjacent to each other. The liquid crystal layer is interposed between the first and second substrates. The liquid crystal layer includes a liquid crystal composition having a refractive anisotropy (?n) of about 0.1010 to about 0.1030.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: November 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hun Lee, Seon-Ah Cho, Jeong-Uk Heo, Seong-Nam Lee, Byoung-Sun Na
  • Publication number: 20110216154
    Abstract: An apparatus and method for omnidirectional caller detection in a video call system are provided. The method includes capturing an image through an omnidirectional lens, reconstructing the image captured through the omnidirectional lens into an omnidirectional image having a square form, attempting detection of a caller's face in the omnidirectional image, and generating an image for delivery from the omnidirectional image according to the detection result.
    Type: Application
    Filed: December 13, 2010
    Publication date: September 8, 2011
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventor: Haw-Seong NAM
  • Patent number: 7976910
    Abstract: A liquid crystal includes about 50 wt % to about 65 wt % of a negative compound material, and about 40 wt % to about 50 wt % of a neutral compound material. A liquid crystal display apparatus comprises a first substrate having a pixel area, a second substrate facing the first substrate, and a plurality of liquid crystals disposed between the first substrate and the second substrate, wherein each liquid crystal comprises about 50 wt % to about 65 wt % of a negative compound material having a dielectric anisotropy of a negative polarity, and about 40 wt % to about 50 wt % of a neutral compound material.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: July 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seon-Ah Cho, Jang-Hyun Kim, Seong-Nam Lee, Jeong-Uk Heo
  • Patent number: 7959244
    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: Grant
    Filed: June 25, 2007
    Date of Patent: June 14, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seong-nam Jeon
  • Patent number: 7944510
    Abstract: A broadcast receiving apparatus, and method, for capturing a broadcast signal, the apparatus including a signal processor to receive broadcast signals and process the broadcast signals, a controller to capture a certain frame data from the broadcast signals processed by the signal processor, check an input resolution of the broadcast signals, and decide whether to perform a down-scaling with respect to the captured frame data, a down-scaler to down-scale the frame data which is decided by the controller to be down-scaled, and a storage unit to store the down-scaled frame data. Accordingly, an image can be captured and a captured frame data can be stored without being degraded, preventing memory consumption.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: May 17, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-ho Lee, Seong-nam Oh
  • Patent number: 7936127
    Abstract: A plasma display apparatus is provided that includes 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 partitions 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 partitions the discharge cells in the outside of an effective display region is wider than the width of barrier ribs which partition the discharge cells in the inside of the effective display region. The plasma display apparatus does not include a transparent electrode consisting of ITO, reducing the manufacturing cost of the plasma display panel.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: May 3, 2011
    Assignee: LG Electronics Inc.
    Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A Kang, Jeong Hyun Hahm, Jae Sung Kim
  • Patent number: 7932984
    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: Grant
    Filed: September 30, 2008
    Date of Patent: April 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Nam Lee, Jeong-Uk Heo, Nam-Seok Lee, Jun-Hyup Lee, Jung-Hun Lee
  • Patent number: 7923163
    Abstract: The present invention relates to the structure of a bipolar plate for direction methanol fuel cell, the shape of a flow path and a fuel cell including them, more particularly, to the structure of a bipolar plate for direct methanol fuel cell using a flow path with a dispersion structure not the existing serpentine type for supplying a fuel to the new bipolar plate and functioning as a collector and the shape of a flow path. According to the present invention, a fluid flow resistance is decreased and a direct reaction region of a fluid and an electrode catalyst is increased in a bipolar plate, and therefore the performance of a fuel Cell can be improved.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: April 12, 2011
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Jung-Ki Park, Ho-Young Jung, Ki-Yun Cho, Kyung-A Sung, Wan-Keun Kim, Seong-Nam Lee
  • Patent number: 7852001
    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: Grant
    Filed: March 22, 2007
    Date of Patent: December 14, 2010
    Assignee: LG Electronics Inc.
    Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A Kang, Jeong Hyun Hahm, Jae Sung Kim
  • Publication number: 20100225841
    Abstract: A liquid crystal display includes a first substrate; a second substrate facing the first substrate; a pair of field generating electrodes disposed on at least one of the first and the second substrates; and a liquid crystal layer disposed between the first and the second substrates; wherein the liquid crystal layer includes a liquid crystal composition including a polar compound, the polar compound including a compound represented by Formula 1: wherein A represents X is a halogen, R1 is a substituted or unsubstituted C1-C10 alkyl group or a substituted or unsubstituted C1-C10 alkoxy group and R2 is a C1-C5 alkyl group or a C1-C5 alkoxy group.
    Type: Application
    Filed: August 3, 2009
    Publication date: September 9, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-Hyung PARK, Jin-Lak KIM, Jeong-Uk HEO, Seong-Nam LEE, Jang-Hyun KIM
  • Publication number: 20100180317
    Abstract: A device and method for controlling the operating mode of an application included in service data which is transmitted together with a broadcast program, are disclosed. A digital broadcast system includes a digital broadcasting device which transmits service data together with a broadcast program, wherein the service data includes an application which allows a digital broadcasting receiver to perform a particular operation and information associated with the operating mode of the application. The digital broadcast system also includes a digital broadcasting receiver which receives the service data and executes the application when the operating mode of the application is an initial operating mode, and otherwise, waits until there is a service request by a viewer, and then executes the application.
    Type: Application
    Filed: March 22, 2010
    Publication date: July 15, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joo-hyeon Ryu, Ou-ho Hwang, Seong-nam Oh
  • Patent number: 7755283
    Abstract: The present invention relates to a plasma display apparatus, which includes a front substrate; a plurality of first, second electrodes formed on the front substrate; a rear substrate that is faced with the front substrate; a plurality of third electrodes formed on the rear substrate; and a discharge cell that is disposed in the place where the first, the second electrode intersect with the third electrode, wherein at least one of the first and the second electrode is formed with one layer, wherein the width or the length of the first and the second electrode arranged in the adjacent discharge cells are different each other. Accordingly, the manufacturing cost can be decreased by eliminating the transparent electrode made of ITO, the color temperature and the luminance of the plasma display panel ca be increased by asymmetrically forming R, G, B discharge cell.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: July 13, 2010
    Assignee: LG Electronics Inc.
    Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A Kang, Jeong Hyun Hahm, Jae Sung Kim
  • Publication number: 20100165223
    Abstract: A liquid crystal includes about 50 wt % to about 65 wt % of a negative compound material, and about 40 wt % to about 50 wt % of a neutral compound material. A liquid crystal display apparatus comprises a first substrate having a pixel area, a second substrate facing the first substrate, and a plurality of liquid crystals disposed between the first substrate and the second substrate, wherein each liquid crystal comprises about 50 wt % to about 65 wt % of a negative compound material having a dielectric anisotropy of a negative polarity, and about 40 wt % to about 50 wt % of a neutral compound material.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon-Ah Cho, Jang-Hyun Kim, Seong-Nam Lee, Jeong-Uk Heo
  • Publication number: 20100149478
    Abstract: A display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a switching element connected to a gate line and a data line crossing each other, and a pixel electrode electrically connected to the switching element. The pixel electrode includes a first domain-dividing portion extending in a direction. The second substrate is spaced apart from the first substrate to have a cell gap of about 3.1 ?m to about 3.3 ?m. The second substrate includes a common electrode including a second domain dividing portion formed in a region between the first domain-dividing portions adjacent to each other. The liquid crystal layer is interposed between the first and second substrates. The liquid crystal layer includes a liquid crystal composition having a refractive anisotropy (?n) of about 0.1010 to about 0.1030.
    Type: Application
    Filed: July 15, 2009
    Publication date: June 17, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Hun LEE, Seon-Ah CHO, Jeong-Uk HEO, Seong-Nam LEE, Byoung-Sun NA
  • Patent number: 7714510
    Abstract: A plasma display apparatus is provided that includes a front substrate, a plurality of first and second electrodes formed on the front substrate, a rear substrate that is faced with the front substrate, a plurality of third electrodes formed on the rear substrate, and a discharge cell that is disposed where the first, and second electrodes intersect with the third electrode, wherein at least one of the plurality of the first and second electrodes is formed with one layer, wherein a thickness of at least one of the plurality of the first and second electrodes ranges from 3 ?m to 7 ?m. By removing the transparent electrode consisting of ITO, the manufacturing cost of the plasma display panel may be reduced.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: May 11, 2010
    Assignee: LG Electronics Inc.
    Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A Kang, Jeong Hyun Hahm, Jae Sung Kim
  • Patent number: 7716713
    Abstract: A digital broadcast system includes a digital broadcasting device which transmits service data together with a broadcast program, wherein the service data includes an application which allows a digital broadcasting receiver to perform a particular operation and information associated with the operating mode of the application. The digital broadcast system also includes a digital broadcasting receiver which receives the service data and executes the application when the operating mode of the application is an initial operating mode, and otherwise, waits until there is a service request by a viewer, and then executes the application. The digital broadcast system for broadcasting additional service data together with broadcast programs can arbitrarily select the point of time at which an application provided to a digital broadcast receiver is executed, during the manufacture of contents, so that various types of interactive services can be provided.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: May 11, 2010
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Joo-hyeon Ryu, Qu-Ho Hwang, Seong-nam Oh