Patents by Inventor Dal-Jung Kwon

Dal-Jung Kwon 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: 10074300
    Abstract: A display panel includes a plurality of pixels arranged in a matrix, each of the pixels including a high sub-pixel and a low sub-pixel. A method of driving the display panel may include detecting a first pixel which corresponds to a first pattern in an image, and changing a gray scale value of the high or low sub-pixel of a second pixel which is adjacent to the first pixel.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeun-Mo Yeon, Seung-Hyun Ko, Choong-Yull Kwak, Dal-Jung Kwon, Jin-Tae Kim, Se-Young Oh
  • Patent number: 9865217
    Abstract: A method of driving a display panel includes generating a reference gate signal delayed by a predetermined period from a gate signal applied to a gate line disposed in a first end area of the display panel, the first end area being an area in which a RC delay of a data line is the smallest, receiving an input gate signal applied to a gate line disposed in a second area of the display panel, the second area being an area in which the RC delay of the data line is the largest; and selectively controlling a delay time of each of the plurality of gate signals applied to each of the plurality of gate lines according to a result of comparison between the reference gate signal and the input gate signal.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: January 9, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myung-Ho Won, Dal-Jung Kwon, Haeng-Won Park, Hyeon-Seok Bae, Seung-Hoon Jung, Ho-Sup Choi
  • Publication number: 20170032730
    Abstract: A display panel includes a plurality of pixels arranged in a matrix, each of the pixels including a high sub-pixel and a low sub-pixel. A method of driving the display panel may include detecting a first pixel which corresponds to a first pattern in an image, and changing a gray scale value of the high or low sub-pixel of a second pixel which is adjacent to the first pixel.
    Type: Application
    Filed: January 13, 2016
    Publication date: February 2, 2017
    Inventors: Yeun-Mo Yeon, Seung-Hyun Ko, Choong-Yull Kwak, Dal-Jung Kwon, Jin-Tae Kim, Se-Young Oh
  • Publication number: 20150302816
    Abstract: A method of driving a display panel includes generating a reference gate signal delayed by a predetermined period from a gate signal applied to a gate line disposed in a first end area of the display panel, the first end area being an area in which a RC delay of a data line is the smallest, receiving an input gate signal applied to a gate line disposed in a second area of the display panel, the second area being an area in which the RC delay of the data line is the largest; and selectively controlling a delay time of each of the plurality of gate signals applied to each of the plurality of gate lines according to a result of comparison between the reference gate signal and the input gate signal.
    Type: Application
    Filed: March 27, 2015
    Publication date: October 22, 2015
    Inventors: Myung-Ho WON, Dal-Jung KWON, Haeng-Won PARK, Hyeon-Seok BAE, Seung-Hoon JUNG, Ho-Sup CHOI
  • Patent number: 8300195
    Abstract: A balance board includes; a substrate, a first wire disposed on the substrate, a second wire disposed on the substrate and spaced apart from the first wire, a plurality of first balance coils connected to the first wire and which uniformly distribute a first power supply voltage, a plurality of second balance coils connected to the second wire and which uniformly distribute a second power supply voltage, and a conductive pattern disposed on the substrate and spaced apart from the first and second wires, wherein the first and second wires are disposed substantially in parallel with each other, the second wire being divided into a plurality of parts with respect to an area where the first wire and the second wire cross over one another and the plurality of parts of the second wire are connected by a plurality of jumper connectors overlapping the first wire.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: October 30, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui-Dong Hwang, Yun-Gun Lee, Dal-Jung Kwon, Myoung-Soo Kim, Byung-Kyou Min
  • Patent number: 7990372
    Abstract: A power supply apparatus capable of reducing power consumption and a liquid crystal display including the power supply apparatus includes a first DC-AC converting unit enabled by a driving signal to convert a DC voltage into a first AC voltage, increase the first AC voltage, and supply the increased first AC voltage as a first power supply voltage; a switching unit which selectively transmits the driving signal in response to a selection signal; and a second DC-AC converting unit enabled by the driving signal selectively transmitted by the switching unit to convert the DC voltage into a second AC voltage, increase the second AC voltage, and supply the increased second AC voltage as a second power supply voltage.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: August 2, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dal-jung Kwon, Moon-shik Kang, Young-sub Kwon, Eui-dong Hwang
  • Patent number: 7880715
    Abstract: A display device and an inverter therefor are disclosed. The inverter has a main circuit board having a plurality of first circuit patterns and a plurality of second circuit patterns formed on a first side thereof, and a sub circuit board having first connecting patterns corresponding to the plurality of first circuit patterns formed on one side of the sub circuit board and second connecting patterns corresponding to the plurality of second circuit patterns formed on a second side thereof. The plurality of first circuit patterns are coupled with each other through the first connecting patterns, and the plurality of second circuit patterns are coupled with each other through the second connecting patterns. Thus, the present invention provides an inverter and a display device having the same, which are capable of being manufactured at a low production cost.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: February 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui-dong Hwang, Young-eun Lee, Young-sup Kwon, Dal-jung Kwon
  • Publication number: 20100073271
    Abstract: A balance board includes; a substrate, a first wire disposed on the substrate, a second wire disposed on the substrate and spaced apart from the first wire, a plurality of first balance coils connected to the first wire and which uniformly distribute a first power supply voltage, a plurality of second balance coils connected to the second wire and which uniformly distribute a second power supply voltage, and a conductive pattern disposed on the substrate and spaced apart from the first and second wires, wherein the first and second wires are disposed substantially in parallel with each other, the second wire being divided into a plurality of parts with respect to an area where the first wire and the second wire cross over one another and the plurality of parts of the second wire are connected by a plurality of jumper connectors overlapping the first wire.
    Type: Application
    Filed: July 6, 2009
    Publication date: March 25, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eui-Dong HWANG, Yun-Gun LEE, Dal-Jung KWON, Myoung-Soo KIM, Byung-Kyou MIN
  • Patent number: 7465062
    Abstract: A backlight assembly with an improved supporting member and a display device having the backlight assembly is provided. The backlight assembly includes a lamp for emitting light, a supporting member including a base plate and a support fixed on the base plate and extending in a light emitting direction with a predetermined height, wherein an upper portion of the support supports an upper portion of the backlight assembly while contacting the upper portion of the backlight assembly.
    Type: Grant
    Filed: November 11, 2005
    Date of Patent: December 16, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dal-Jung Kwon
  • Publication number: 20080074578
    Abstract: A power supply apparatus capable of reducing power consumption and a liquid crystal display including the power supply apparatus includes a first DC-AC converting unit enabled by a driving signal to convert a DC voltage into a first AC voltage, increase the first AC voltage, and supply the increased first AC voltage as a first power supply voltage; a switching unit which selectively transmits the driving signal in response to a selection signal; and a second DC-AC converting unit enabled by the driving signal selectively transmitted by the switching unit to convert the DC voltage into a second AC voltage, increase the second AC voltage, and supply the increased second AC voltage as a second power supply voltage.
    Type: Application
    Filed: September 26, 2007
    Publication date: March 27, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dal-jung KWON, Moon-shik KANG, Young-sub KWON, Eui-dong HWANG
  • Publication number: 20080043462
    Abstract: A backlight assembly includes a plurality of lamps, a receiving container, and a reflective plate. The lamps are disposed substantially parallel with each other and generate light. The receiving container receives the lamps, and openings corresponding to the lamps are formed therein. The reflective plate is disposed between the lamps and the receiving container and reflects the light from the lamps. The reflective plate is formed from an insulating material.
    Type: Application
    Filed: August 20, 2007
    Publication date: February 21, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dal-Jung Kwon, Moon-Shik Kang, Young-Sup Kwon, Eui-Dong Hwang
  • Publication number: 20070234166
    Abstract: A display device and an inverter therefor are disclosed. The inverter has a main circuit board having a plurality of first circuit patterns and a plurality of second circuit patterns formed on a first side thereof, and a sub circuit board having first connecting patterns corresponding to the plurality of first circuit patterns formed on one side of the sub circuit board and second connecting patterns corresponding to the plurality of second circuit patterns formed on a second side thereof. The plurality of first circuit patterns are coupled with each other through the first connecting patterns, and the plurality of second circuit patterns are coupled with each other through the second connecting patterns. Thus, the present invention provides an inverter and a display device having the same, which are capable of being manufactured at a low production cost.
    Type: Application
    Filed: February 20, 2007
    Publication date: October 4, 2007
    Inventors: Eui-dong Hwang, Young-eun Lee, Young-sup Kwon, Dal-jung Kwon
  • Publication number: 20070194726
    Abstract: A lamp driving apparatus includes a lamp driving unit which is provided with a predetermined direct current (“DC”) voltage from an external source, converts the provided DC voltage into a first lamp driving voltage and a second lamp driving voltage, and provides the first lamp driving voltage and the second lamp driving voltage to a lamp, and a control unit which detects the first lamp driving voltage and the second lamp driving voltage and generates first detection signals based on the detected first lamp driving voltage and generates second detection signals based on the detected second lamp driving voltage, compares a test signal with a reference voltage, and generates a driving control signal according to the result of the comparison, wherein the test signal is obtained by merging the first detection signal and the second detection signal.
    Type: Application
    Filed: February 21, 2007
    Publication date: August 23, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eui-dong HWANG, Moon-shik KANG, Dal-jung KWON, Jae-seok GHO, Young-sup KWON
  • Publication number: 20060279957
    Abstract: A lamp, lamp holder, and a power supply substrate that allow easy fabrication of a backlight assembly or a power supply module for a display device are presented. The lamp includes a lamp tube and an electrode that extends outside the lamp tube to form a lamp lead. The lamp holder includes a body for holding the lamp tube and a power supply member for providing voltage to the lamp lead. A power supply module includes a power supply substrate combined with a lamp holder holding the lamp. The lamp holders are fixed to fixing portions of the power supply substrate or to fixing holes of a connection plate. As the design allows easy separation of the lamp holders from the power supply substrate, building a backlight assembly or a display device is facilitated.
    Type: Application
    Filed: June 9, 2006
    Publication date: December 14, 2006
    Inventors: Yoon-Soo Kwon, Jung-Tae Kang, Sang-Hoon Park, Jin-Ho Ha, Woong-Jae Chang, Yong-Seok Yang, Min-Ho Ok, Kyung-Rok Ko, Jae-Hwan Chun, Jae-Seok Gho, Dal-Jung Kwon, Moon-Shik Kang, Young-Sup Kwon, Eui-Dong Hwang
  • Publication number: 20060104083
    Abstract: A backlight assembly with an improved supporting member and a display device having the backlight assembly is provided. The backlight assembly includes a lamp for emitting light, a supporting member including a base plate and a support fixed on the base plate and extending in a light emitting direction with a predetermined height, wherein an upper portion of the support supports an upper portion of the backlight assembly while contacting the upper portion of the backlight assembly.
    Type: Application
    Filed: November 11, 2005
    Publication date: May 18, 2006
    Inventor: Dal-Jung Kwon