Patents by Inventor Sung Woon Kim

Sung Woon Kim 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: 8582061
    Abstract: An optical film assembly includes a first polarization plate disposed below a liquid crystal layer and having a first absorption axis, a second polarization plate disposed above the liquid crystal layer and having a second absorption axis, an A-plate disposed between the first polarization plate and the second polarization plate, and a negative C-plate disposed between the first polarization plate and the second polarization plate. A thickness-direction phase retardation value of the negative C-plate is equal to or less than a value acquired by subtracting about 75 nanometers from a thickness-direction phase retardation value of the liquid crystal layer and the thickness-direction phase retardation value of the negative C-plate is equal to or greater than a value acquired by subtracting about 275 nanometers from the thickness-direction phase retardation value of the liquid crystal layer.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: November 12, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa-Sung Woo, Seung-Ju Lee, Hee-Wook Do, Jeong-Soo Choi, Hee-Seop Kim, Joo-Seok Yeom, Hyang-Yul Kim, Joo-Nyung Jang, Sung-Woon Kim, Cheol Shin, Dong-Chul Shin
  • Patent number: 8564520
    Abstract: A method for driving a display panel, the display panel including a plurality of pixels, each of the plurality of pixels including a cholesteric liquid crystal capacitor, includes; applying a common voltage to the display panel, displaying a video on the display panel by applying a data voltage to at least one of the plurality of pixels, the data voltage having a phase which is one of inverted to and substantially the same as a phase of the common voltage with respect to a reference voltage.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: October 22, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Uk-Chul Choi, Nak-Cho Choi, Sung-Woon Kim
  • Patent number: 8558961
    Abstract: A display device includes a display panel on which a plurality of pixels are arranged in a matrix in a first direction and in a second direction intersecting the first direction, and a lenticular sheet which is disposed above the display panel and includes a plurality of polygonal prism lenses that are arranged in the second direction. Each of the polygonal prism lenses extends in a third direction intersecting the second direction, and includes a plurality of flat surfaces or curved surfaces.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: October 15, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-Young Yun, Kyung-Ho Jung, Seung-Hoon Lee, Hee-Seop Kim, Kyung-Bae Kim, Jin-Hwan Kim, Sung-Woon Kim, JianGang Lu
  • Patent number: 8553332
    Abstract: A display device includes; a display panel, a lens substrate facing the display panel, an air layer disposed between the display panel and the lens substrate, and a light refraction portion disposed on a surface of the lens substrate facing the display panel, wherein an average refractive index of the light refraction portion taken along a plane substantially parallel to the display panel increases in a direction substantially parallel to a path of light from the display panel to the lens substrate.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: October 8, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-Young Yun, Kyung-Ho Jung, Seung-Hoon Lee, Sung-Woon Kim, Jiangang Lu, Hee-Seop Kim
  • Patent number: 8537089
    Abstract: A display device includes a first substrate, a first electrode comprising first electrode extensions formed on the first substrate, a second electrode comprising second electrode extensions formed on the first substrate and arranged alternately with the first electrode extensions, a second substrate facing the first substrate, liquid crystal molecules interposed between the first substrate and the second substrate, wherein electrode gaps formed between the first electrode extensions and the second electrode extensions comprise first electrode gaps and second electrode gaps, and the first electrode gaps are different from the second electrode gaps, and wherein the liquid crystal molecules are aligned vertically to the first and the second substrate, when the electric field is not formed between the first and the second substrate.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: September 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-hwan Shin, Sung-woon Kim, Hwa-sung Woo, Hee-seop Kim
  • Patent number: 8436955
    Abstract: A liquid crystal display wherein a first power source supply line and a second power source supply line are respectively applied with a first voltage and a second voltage having a predetermined magnitude, and a first power source supply line and a second power source supply line are disposed as a pair between a first pixel electrode and a second pixel electrode. The first voltage and the second voltage may have different polarities.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: May 7, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa-Sung Woo, Dong-Gyu Kim, Hyang-Yul Kim, Joo-Nyung Jang, Sung-Woon Kim, Cheol Shin, Dong-Chul Shin
  • Patent number: 8427594
    Abstract: A liquid crystal display includes: a first substrate and a second substrate disposed opposite the first substrate; a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules; a gate line which transmits a gate signal; first and second data lines which respectively transmit first and second data voltages, the first and second data voltages having opposite polarities; a first switching element connected to the gate line and the first data line; a second switching element connected to the gate line and the second data line; a first subpixel electrode connected to the first switching element; and a second subpixel electrode connected to the second switching element. The first and second subpixel electrodes overlap portions of the first and second data lines. The first and second subpixel electrodes include first and second branches, respectively, which are alternately arranged between the first and second data lines.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: April 23, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Chong-Chul Chai, Mee-Hye Jung, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
  • Patent number: 8314833
    Abstract: A method for displaying a multi-viewpoint image is capable of reducing display defects, and a display apparatus to perform the method includes a display part and a driving control part. The driving control part provides the display part with a plurality of multi-viewpoint images signals. The driving control part sequentially provides the display part with a first viewpoint image to a last viewpoint image and provides the display part with a compensation viewpoint image signal that replaces the last viewpoint image signal of a frame.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: November 20, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Seop Kim, Seung-Hoon Lee, Hae-Young Yun, Sung-Woon Kim, Lu Jian Gang, Kyung-Ho Jung
  • Patent number: 8310642
    Abstract: A liquid crystal display (“LCD”) having controlled texture and reduced response time includes first and second insulation substrates which are separated from each other and face each other, a liquid crystal layer which is interposed between the first and second insulation substrates and has liquid crystal molecules, a pixel electrode which is disposed on the first insulation substrate and includes a plurality of first linear electrode patterns, a common electrode which is disposed on the first insulation substrate and includes a plurality of second linear electrode patterns separated from the first linear electrode patterns by a predetermined gap, and a texture control portion which is disposed in an area corresponding to the gap and formed on the first or second insulation substrate, wherein the first and second linear electrode patterns are arranged in an alternating fashion.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: November 13, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa-sung Woo, Yong-hwan Shin, Sung-woon Kim, Hee-seop Kim
  • Patent number: 8300206
    Abstract: The present invention provides an electro-optic unit. A lens unit disposed at an upper portion of a display panel has a plurality of lens part. An electro-optic unit is disposed between a display panel and a lens unit, and includes an electro-optic material layer formed as a graded refractive index lens in an electric field. A display device shows a two-dimensional and a three-dimensional image according to a mode of the electro-optic unit. A driving part may form the graded refractive index lens to have the same pitch as the pitch of the lens part. The graded refractive index lens may be formed as a convex lens or a Fresnel lens. The electro-optic unit is displayed to form the Fresnel lens. A driving method enhancing mode conversion velocity of the electro-optic unit is displayed.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: October 30, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Woon Kim, Hee-Seop Kim, Hae-Young Yun, Jiangang Lu, Kyung-Ho Jung, Seung-Hoon Lee
  • Patent number: 8284243
    Abstract: A stereoscopic image display apparatus includes a display panel and an image conversion sheet. The display panel includes a plurality of pixel units. Each pixel unit has a zigzag shape that extends in a first direction. The image conversion sheet includes a plurality of lens units. Each lens unit extends in the first direction and is disposed in a second direction different from the first direction. A plurality of the lens units is disposed in parallel with each other.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: October 9, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Hoon Lee, Kyoung-Ju Shin, Hae-Young Yun, Sung-Woon Kim, Lu Jian Gang
  • Patent number: 8259278
    Abstract: A liquid crystal display includes; first and second substrates facing each other, a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules, a first subpixel electrode disposed on the first substrate, the first subpixel electrode receiving a first data voltage, a second subpixel electrode disposed on the first substrate, the second subpixel electrode receiving a second data voltage; and a short protrusion disposed on the second substrate and simultaneously facing the first and second subpixel electrodes, wherein the liquid crystal layer is vertically aligned and has positive dielectric anisotropy.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: September 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Woon Kim, Hwa-Sung Woo, Joo-Nyung Jang, Mi-Jeong Song, Hwang-Yul Kim, Cheol Shin, Dong-Chul Shin, Hee-Seop Kim, Jung-Hyeon Kim
  • Publication number: 20120194770
    Abstract: A liquid crystal display includes: a first substrate and a second substrate facing each other; a pair of field generating electrodes disposed on the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules having positive dielectric anisotropy; and at least one alignment layer disposed between the first substrate and the second substrate, wherein the alignment layer includes a main chain and at least one side chain connected to the main chain, and the side chain includes a vertical functional group or a polar group.
    Type: Application
    Filed: July 13, 2011
    Publication date: August 2, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woon KIM, An Na PARK
  • Patent number: 8228456
    Abstract: A liquid crystal display includes; a first substrate, a gate line disposed on the first substrate, a first data line disposed substantially perpendicularly to the gate line on the first substrate, and which insulates and the gate line, a first thin film transistor connected to the gate line and the first data line, a first pixel electrode connected to the first thin film transistor, a liquid crystal capacitor including the first pixel electrode and a second pixel electrode as two terminals thereof, and a liquid crystal layer disposed between the first pixel electrode and the second pixel electrode, and a short transistor having a control terminal connected to a previous gate line, and which is controlled to short the first pixel electrode to a voltage approaching a voltage of the second pixel electrode.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: July 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
  • Patent number: 8212969
    Abstract: Provided are a method and apparatus for manufacturing a display device, which can ensure precise alignment and attachment of a lenticular sheet onto a display panel. The method includes sequentially stacking a display panel and a lenticular sheet on a stage, irradiating light that is incident in parallel toward the display panel and the lenticular sheet from below the display panel, detecting the light that has passed through the display panel and the lenticular sheet, and determining an axial direction of a columnar lens formed on the lenticular sheet.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: July 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Woon Kim, Kyung-Ho Jung, Hee-Seop Kim, Hae-Young Yun, Jiangang Lu, Seung-Hoon Lee
  • Patent number: 8179489
    Abstract: A display device includes a pixel electrode that includes a first sub-pixel electrode and a second sub-pixel electrode, a first thin film transistor connected to the first sub-pixel electrode, a second thin film transistor connected to the second sub-pixel electrode, an assistance capacitor connected to the first sub-pixel electrode, and a third thin film transistor connected to the assistance capacitor and the second sub-pixel electrode. The third thin film transistor includes a gate electrode, a source electrode overlapping the gate electrode and connected to the second sub-pixel electrode, and a drain electrode connected to the assistance capacitor, and a parasitic capacitance between the gate electrode and the drain electrode is equal to or less than a parasitic capacitance between the gate electrode and the source electrode.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: May 15, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-Chul Jung, Hee-Seop Kim, Chong-Chul Chai, Sung-Woon Kim, Mee-Hye Jung
  • Patent number: 8149343
    Abstract: The present invention relates to a display device having an image-emitting panel and an image dividing sheet. The image-emitting panel includes a light-blocking layer, a lower substrate, an upper substrate and an electro-optic layer. The lower substrate includes pixel electrodes into which a first image signal and a second image signal having different viewing angles are applied in a spatial dividing method. The electro-optic layer reflects a circularly polarized light towards the upper substrate. The image dividing sheet includes a first optical element and a second optical element. The first optical element converts the circularly polarized light into a first light corresponding to the first image signal. The second optical element converts the circularly polarized light into a second light corresponding to the second image signal.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: April 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nak-Cho Choi, Sung-Woon Kim, Hee-Keun Lee
  • Patent number: 8149348
    Abstract: A display device includes a display panel on which a plurality of pixels are arranged in a matrix, and a lenticular sheet which is disposed above the display panel and includes a plurality of prism lenses disposed on the lenticular sheet. Each of the plurality of prism lenses includes a first surface, a second surface and a third surface. Each surface of the prism lens is disposed extending in a first direction substantially parallel to a longitudinal direction of the prism lenses, and arranged substantially parallel with each other.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: April 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hae-Young Yun, Seung-Hoon Lee, Hee-Seop Kim, Sung-Woon Kim, JianGang Lu
  • Publication number: 20120044448
    Abstract: Exemplary embodiments of the present invention provide a liquid crystal display that includes a first substrate, a gate line positioned on the first substrate, a data line and a voltage line crossing the gate line, a first switching element connected to the gate line and the data line, a second switching element connected to the gate line and the voltage line, a first pixel electrode connected to the first switching element and including a plurality of branches inclined with respect to the gate line, and a second pixel electrode connected to the second switching element and including a plurality of branches parallel to the first branches, wherein the sum of the lengths of the first branches is 90% to 100% of the sum of the lengths of the second branches.
    Type: Application
    Filed: May 13, 2011
    Publication date: February 23, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyang-Yul KIM, Dong-Gyu KIM, Joo-Nyung JANG, Sung-Woon KIM, Hwa-Sung WOO, Cheol SHIN, Dong-Chul SHIN
  • Publication number: 20120013814
    Abstract: A liquid crystal display wherein a first power source supply line and a second power source supply line are respectively applied with a first voltage and a second voltage having a predetermined magnitude, and a first power source supply line and a second power source supply line are disposed as a pair between a first pixel electrode and a second pixel electrode. The first voltage and the second voltage may have different polarities.
    Type: Application
    Filed: February 25, 2011
    Publication date: January 19, 2012
    Inventors: Hwa-Sung Woo, Dong-Gyu Kim, Hyang-Yul Kim, Joo-Nyung Jang, Sung-Woon Kim, Cheol Shin, Dong-Chul Shin