Patents by Inventor Ja Hun Koo

Ja Hun Koo 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: 20170213488
    Abstract: The present disclosure is related to a display device including: a display panel including a display surface displaying an image; and a morphing driver disposed at an opposite side of the display surface of the display panel and physically controlling a height of the display surface in a first direction which is substantially perpendicular to the display surface according to depth information of input image data, wherein the morphing driver comprises at least one among a piezoelectric film, an electroactive polymer, and a magnetic generator.
    Type: Application
    Filed: August 16, 2016
    Publication date: July 27, 2017
    Inventors: Ja Hun KOO, Hak Sun KIM, Kyung-Hun LEE
  • Publication number: 20170110079
    Abstract: A liquid crystal display device includes a gate driving unit connected to an ith gate line and a first compensation line, a data driving unit connected to a jth data line and a pixel unit including a first switching element including a first electrode connected to the jth data line, a pixel electrode connected to second electrode of the first switching element, and a compensation capacitor including a first electrode connected to the first compensation line and a second electrode connected to the pixel electrode, where the gate driving unit includes a second switching element including a gate electrode connected to an i?1th gate line, a first electrode connected to a reset line, and a second electrode connected to the first compensation line, and a third switching element including a gate electrode connected to an i+1th gate line and a first electrode connected to the first compensation line.
    Type: Application
    Filed: May 5, 2016
    Publication date: April 20, 2017
    Inventors: Ja Hun KOO, Hak Sun KIM, Su Han WOO, Kyung Hun LEE
  • Publication number: 20170047037
    Abstract: A display apparatus includes a display panel. The display panel includes a high sub-pixel, a low sub-pixel and a toggle voltage input circuit. The high sub-pixel may include a first switching element connected to a gate line extending in a first direction and a data line extending in a second direction crossing with the first direction. The low sub-pixel may include a second switching element connected to the gate line and the data line and disposed opposite to the high sub-pixel with reference to the gate line, and a third switching element connected to the second switching element and a storage line. The toggle voltage input circuit may be connected to the storage line to transmit a toggle voltage to the low sub-pixel. The toggle voltage may be capable of being varied periodically.
    Type: Application
    Filed: May 3, 2016
    Publication date: February 16, 2017
    Inventors: JONG-WOON KIM, JA-HUN KOO, KYU-JIN PARK, SU-HAN WOO
  • Publication number: 20160371807
    Abstract: A display panel in which a graphic processing unit (GPU) of a personal computer (PC) is directly connected to a timing controller (T-Con) to exchange control signals, and a display apparatus including the display panel. The display panel includes a timing controller converting a video signal, an LED converter controlling an LED output based on a control of the timing controller, and a TFT pixel array displaying an image on a screen based on the control of the timing controller, wherein the T-Con is directly connected to a GPU of a PC, and transmits and receives a control signal to display the image on the screen.
    Type: Application
    Filed: June 1, 2016
    Publication date: December 22, 2016
    Inventors: Ja Hun Koo, Dae Yun Koo, Kyung Hun Lee, Woon Rok Jang
  • Publication number: 20160372077
    Abstract: A display system includes a graphic processor and a display apparatus. The graphic processor supplies a first image signal and a first synchronization signal. The display apparatus is driven in a normal mode in which a first image is displayed, during a first period, based on the first image signal and the first synchronization signal provided from the graphic processor and in a panel self refresh (PSR) mode in which a second image is displayed based on a second image signal stored in a frame buffer of the display apparatus and a second synchronization signal generated in the display apparatus, and transmits the second synchronization signal of the PSR mode to the graphic processor when a driving mode of the display apparatus is changed from the PSR mode to the normal mode. The graphic processor is configured to generate the first synchronization signal synchronized with the second synchronization signal.
    Type: Application
    Filed: January 8, 2016
    Publication date: December 22, 2016
    Inventors: JA-HUN KOO, JONG-DEUK MOON, KYUNG-HUN LEE
  • Patent number: 8872816
    Abstract: A three-dimensional image display device includes: a display panel assembly including a display panel including pixels which alternately displays first and second images, and a data driver which transmits data voltages to the pixels; a backlight unit which provides light to the display panel assembly; and a shutter member including first and second shutters, where the backlight unit emits the light during light emitting periods, the light emitting periods includes first light emitting periods, during which the first image is displayed, and second light emitting periods, during which the second image is displayed, the first light emitting periods and the second light emitting periods alternate, and the first shutter is opened during at least two open periods, which are between neighboring second light emitting periods of the second light emitting periods and temporally spaced apart from each other.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: October 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Il Kim, Bae Won Lee, San Seong Seomun, Ja Hun Koo, Woon-Rok Jang, Su-Han Woo
  • Publication number: 20130106836
    Abstract: A three-dimensional image display device includes: a display panel assembly including a display panel including pixels which alternately displays first and second images, and a data driver which transmits data voltages to the pixels; a backlight unit which provides light to the display panel assembly; and a shutter member including first and second shutters, where the backlight unit emits the light during light emitting periods, the light emitting periods includes first light emitting periods, during which the first image is displayed, and second light emitting periods, during which the second image is displayed, the first light emitting periods and the second light emitting periods alternate, and the first shutter is opened during at least two open periods, which are between neighboring second light emitting periods of the second light emitting periods and temporally spaced apart from each other.
    Type: Application
    Filed: March 21, 2012
    Publication date: May 2, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong Il KIM, Bae Won LEE, San Seong SEOMUN, Ja Hun KOO, Woon-Rok JANG, Su-Han WOO
  • Publication number: 20100259147
    Abstract: Provided is an exterior component of a home appliance. The exterior component of the home appliance includes a first exterior component and a second exterior component. The first exterior component defines one portion of the exterior of the home appliance. The second exterior component defines the other portion of the exterior of the home appliance. The second exterior component has a material different from that of the first exterior component. The second exterior component has the same surface pattern as that of the first exterior component.
    Type: Application
    Filed: December 10, 2008
    Publication date: October 14, 2010
    Applicant: LG ELECTRONICS INC.
    Inventor: Ja Hun Koo
  • Publication number: 20090249824
    Abstract: The present invention relates to an exterior member for a refrigerator that defines the appearance of the refrigerator. According to the present invention, the exterior member comprises a rear plate 84 formed of polyvinyl chloride, and a front plate 82 that is formed of polyethylene terephthalate and positioned in front of the rear plate 84 and has a desired color or pattern printed thereon. It is preferred that the front plate 82 be a transparent and have a thickness of 0.1 mm to 0.5 mm, and the rear plate 84 have a thickness of 0.05 mm to 0.15 mm. The exterior member is mainly used for defining a front face of a refrigerator door, but it may also be used as a finishing member for a lateral side of a refrigerator.
    Type: Application
    Filed: December 19, 2006
    Publication date: October 8, 2009
    Inventor: Ja-Hun Koo
  • Publication number: 20090202796
    Abstract: The present invention discloses an outer casing of a refrigerator with various designs expressed thereon, and a method for manufacturing the same. The outer casing of the refrigerator includes a layer (17, 57, 77, 250, 370) defining the outward appearance of the refrigerator and having an image formed thereon. In this configuration, the outer casing of the refrigerator can be variously formed according to the tastes of the consumers to satisfy even the consumers preferring special splendid designs. Accordingly, the reliability of the product and the recognition of the product by the consumers increase.
    Type: Application
    Filed: June 20, 2007
    Publication date: August 13, 2009
    Inventors: Ja-Hun Koo, Seung-min Ok, Jung-hun Kim
  • Patent number: 7563511
    Abstract: An external decorating member installed on the surface of a refrigerator is disclosed, in which the external decorating member 20 comprises a glass member 22, a first paint layer 24 formed on top of the glass member 22 and having reflecting materials for reflecting light which passed through the glass member, and a second paint layer 26 formed on top of the first paint layer 24 and having a certain color.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: July 21, 2009
    Assignee: LG Electronics Inc.
    Inventor: Ja Hun Koo
  • Publication number: 20090126396
    Abstract: The present invention relates to an outer door for a refrigerator and a method of manufacturing the same. An outer door of the present invention comprises a base plate 51 with a certain pattern 51 a formed on a front surface thereof, a back surface coating layer 53 provided on a back surface of the base plate 51, a back surface painting layer 55 provided on a surface of the back surface coating layer, and a front surface painting layer 57 provided on the front surface of the base plate 51. According to the present invention, more various designs can be implemented on a front surface of a door of a refrigerator so as to satisfy a variety of esthetic feelings of users.
    Type: Application
    Filed: June 13, 2007
    Publication date: May 21, 2009
    Inventor: Ja-Hun Koo
  • Publication number: 20040183413
    Abstract: An external decorating member installed on the surface of a refrigerator is disclosed, in which the external decorating member 20 comprises a glass member 22, a first paint layer 24 formed on top of the glass member 22 and having reflecting materials for reflecting light which passed through the glass member, and a second paint layer 26 formed on top of the first paint layer 24 and having a certain color.
    Type: Application
    Filed: March 8, 2004
    Publication date: September 23, 2004
    Inventor: Ja Hun Koo