Patents by Inventor Hee-Kwon EUN

Hee-Kwon EUN 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: 20220123072
    Abstract: An electronic device according to an embodiment of the inventive concept includes a display panel in which a first display area and a second display area having a higher transmittance than the first display area are defined, an electronic module disposed below the second display area of the display panel, a circuit board which is connected to the display panel and on which the electronic module is mounted, and an intermediate layer disposed between the electronic module and the display panel, and the electronic module and the circuit board do not overlap each other when viewed in a plane, so that the electronic device may be made thinner, and performance of the electronic module included in the electronic device may be improved.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 21, 2022
    Inventors: Jong-Tae KIM, Hee-Kwon EUN
  • Patent number: 11217192
    Abstract: A display device includes a display panel including display pixels, and a display filter overlapping the display panel and including filter pixels that are greater in number than the display pixels, wherein in units of frame, each of the display pixels is configured to emit light at a luminance corresponding to one gray level, and wherein in units of sub-frames, each of the filter pixels is configured to be switched to a transmissive state or a non-transmissive state, wherein each of the sub-frames is shorter in period than a corresponding one of the frames.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Ho Hyun, Hee Kwon Eun, Man Bok Cheon
  • Patent number: 11170735
    Abstract: A display device which supports a panel self refresh (“PSR”) mode includes a source unit and a synchronizing unit, and a signal is transmitted between the source unit and the synchronizing unit through an interface. The source unit determines on/off of the PSR mode in response to a PSR setting value, and additionally determines whether to activate the PSR mode in response to luminance information.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: November 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Chang Shim, Hee Kwon Eun
  • Patent number: 11094256
    Abstract: A display device and a driving method thereof are provided. The display device includes: a display panel including a plurality of pixels; a timing controller for calculating an On-Pixel Ratio (OPR) of input image data with respect to an arbitrary frame, and correcting the input image data, based on the OPR; and a data driver for generating a data signal, based on the corrected image data, and providing the data signal to the display panel. The OPRs are calculated in units of pixel rows.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: August 17, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Kwon Eun, Young Min Bae
  • Publication number: 20200265801
    Abstract: A display device which supports a panel self refresh (“PSR”) mode includes a source unit and a synchronizing unit, and a signal is transmitted between the source unit and the synchronizing unit through an interface. The source unit determines on/off of the PSR mode in response to a PSR setting value, and additionally determines whether to activate the PSR mode in response to luminance information.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 20, 2020
    Inventors: Byung Chang SHIM, Hee Kwon EUN
  • Publication number: 20200211490
    Abstract: A display device includes a display panel including display pixels, and a display filter overlapping the display panel and including filter pixels that are greater in number than the display pixels, wherein in units of frame, each of the display pixels is configured to emit light at a luminance corresponding to one gray level, and wherein in units of sub-frames, each of the filter pixels is configured to be switched to a transmissive state or a non-transmissive state, wherein each of the sub-frames is shorter in period than a corresponding one of the frames.
    Type: Application
    Filed: November 8, 2019
    Publication date: July 2, 2020
    Inventors: Chang Ho HYUN, Hee Kwon EUN, Man Bok CHEON
  • Patent number: 10685625
    Abstract: A display device which supports a panel self refresh (“PSR”) mode includes a source unit and a synchronizing unit, and a signal is transmitted between the source unit and the synchronizing unit through an interface. The source unit determines on/off of the PSR mode in response to a PSR setting value, and additionally determines whether to activate the PSR mode in response to luminance information.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: June 16, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Chang Shim, Hee Kwon Eun
  • Publication number: 20200135102
    Abstract: A display device and a driving method thereof are provided. The display device includes: a display panel including a plurality of pixels; a timing controller for calculating an On-Pixel Ratio (OPR) of input image data with respect to an arbitrary frame, and correcting the input image data, based on the OPR; and a data driver for generating a data signal, based on the corrected image data, and providing the data signal to the display panel. The OPRs are calculated in units of pixel rows.
    Type: Application
    Filed: August 15, 2019
    Publication date: April 30, 2020
    Inventors: Hee Kwon EUN, Young Min BAE
  • Publication number: 20170345395
    Abstract: A display device which supports a panel self refresh (“PSR”) mode includes a source unit and a synchronizing unit, and a signal is transmitted between the source unit and the synchronizing unit through an interface. The source unit determines on/off of the PSR mode in response to a PSR setting value, and additionally determines whether to activate the PSR mode in response to luminance information.
    Type: Application
    Filed: May 19, 2017
    Publication date: November 30, 2017
    Inventors: Byung Chang SHIM, Hee Kwon EUN
  • Patent number: 9263474
    Abstract: A thin film transistor array substrate includes an active area in which a plurality of pixels are formed; driver integrated circuits (DICs) disposed in a non-active area around the active area and configured to supply a driving signal to each of the plurality of pixels; power input units partially overlapping with the DICs, disposed below the DICs, and configured to supply power voltages to the active area; and a user key mounting area formed not to overlap with the DICs in the non-active area. The thin film transistor array substrate may be used for an organic light-emitting display apparatus.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: February 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Wan Choi, Jin-Oh Park, Hyo-Sang Yang, Hee-Kwon Eun
  • Patent number: 9064467
    Abstract: There are provided a liquid crystal display device and a driving method thereof, which can reduce power consumption and improve image quality. A liquid crystal display device includes pixels, a data driver and at least one gate driver. The pixels are positioned at intersection portions of gate lines and data lines. The data driver supplies a data signal having a first or second polarity to the data lines. The at least one gate driver supplies, to the gate lines, a first gate signal corresponding to the first polarity and a second gate signal corresponding to the second polarity.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: June 23, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Jin Im, Dong-Wan Choi, Hee-Kwon Eun
  • Publication number: 20150001478
    Abstract: A thin film transistor array substrate includes an active area in which a plurality of pixels are formed; driver integrated circuits (DICs) disposed in a non-active area around the active area and configured to supply a driving signal to each of the plurality of pixels; power input units partially overlapping with the DICs, disposed below the DICs, and configured to supply power voltages to the active area; and a user key mounting area formed not to overlap with the DICs in the non-active area. The thin film transistor array substrate may be used for an organic light-emitting display apparatus.
    Type: Application
    Filed: October 30, 2013
    Publication date: January 1, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dong-Wan Choi, Jin-Oh Park, Hyo-Sang Yang, Hee-Kwon Eun
  • Publication number: 20140375597
    Abstract: A thin film transistor array substrate includes: an active area including a plurality of pixels; a driver integrated circuit in a non-active area around the active area and configured to supply a driving signal to the pixels; and a user input key positioned near the driver integrated circuit and configured to receive a user input.
    Type: Application
    Filed: October 31, 2013
    Publication date: December 25, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Oh Park, Dong-Wan Choi, Hyo-Sang Yang, Hee-Kwon Eun
  • Publication number: 20140118325
    Abstract: There are provided a liquid crystal display device and a driving method thereof, which can reduce power consumption and improve image quality. A liquid crystal display device includes pixels, a data driver and at least one gate driver. The pixels are positioned at intersection portions of gate lines and data lines. The data driver supplies a data signal having a first or second polarity to the data lines. The at least one gate driver supplies, to the gate lines, a first gate signal corresponding to the first polarity and a second gate signal corresponding to the second polarity.
    Type: Application
    Filed: August 22, 2013
    Publication date: May 1, 2014
    Inventors: Chang-Jin Im, Dong-Wan Choi, Hee-Kwon Eun
  • Patent number: 8576210
    Abstract: A display apparatus is disclosed. The display includes a display panel, a signal transmitter, and a driving chip. The signal transmitter is electrically connected with the display panel at a first bonding region of the display panel and receives an input signal from the outside. Further, the driving chip is electrically connected with the display panel at a second bonding region of the display panel and outputs a driving signal in response to the input signal. Further, the signal transmitter includes a base layer, a first conductive layer that is electrically connected with the display panel, and a second conductive layer that covers the first bonding region and the second bonding region. The second conductive layer can block electro static discharge and electro magnetic interference, such that it is possible to prevent display quality of the display apparatus from being deteriorated.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: November 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo-Sang Yang, Byung-Chang Shim, Dong-Wan Choi, Hee-Kwon Eun
  • Publication number: 20120162201
    Abstract: A stereoscopic display apparatus is disclosed. In one embodiment, the apparatus includes: a display unit which includes left eye image areas displaying a left eye image and right eye image areas displaying a right eye image and a parallax barrier which keeps a predetermined distance from the display unit to face the display unit and includes slits transmitting light emitted from the display unit and barriers blocking the light emitted from the display unit, wherein the slits and the barriers are alternately formed at the parallax barrier. The apparatus may further include a vibrator which is combined with at least a part of the parallax barrier and expands and contracts in a direction in which the display unit emits the light.
    Type: Application
    Filed: September 21, 2011
    Publication date: June 28, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Dong-Wan Choi, Hyo-Sang Yang, Byung-Chang Shim, Hee-Kwon Eun
  • Publication number: 20120113073
    Abstract: A display apparatus is disclosed. The display includes a display panel, a signal transmitter, and a driving chip. The signal transmitter is electrically connected with the display panel at a first bonding region of the display panel and receives an input signal from the outside. Further, the driving chip is electrically connected with the display panel at a second bonding region of the display panel and outputs a driving signal in response to the input signal. Further, the signal transmitter includes a base layer, a first conductive layer that is electrically connected with the display panel, and a second conductive layer that covers the first bonding region and the second bonding region. The second conductive layer can block electro static discharge and electro magnetic interference, such that it is possible to prevent display quality of the display apparatus from being deteriorated.
    Type: Application
    Filed: September 15, 2011
    Publication date: May 10, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Hyo-Sang Yang, Byung-Chang Shim, Dong-Wan Choi, Hee-Kwon Eun
  • Publication number: 20120113084
    Abstract: A liquid crystal display (LCD) and a driving method thereof are disclosed. According to some aspects the liquid crystal display (LCD) includes: a display unit including a plurality of pixels arranged in a matrix, a gate line respectively connected to the plurality of pixel rows, and a data line respectively connected to a plurality of pixel columns. The LCD further includes a gate driver configured to generate and sequentially transmit a plurality of gate signals to a plurality of pixel rows through the gate line by row to turn on a switch included in the pixel. The LCD further includes a data driver configured to apply a data voltage according to an image data signal to the pixel during a period in which the switch is turned on; and a common voltage generator configured to generate and apply a common voltage having a polarity that is opposite to the polarity of the data voltage to the pixel.
    Type: Application
    Filed: August 10, 2011
    Publication date: May 10, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Hyo-Sang Yang, Byung-Chang Shim, Dong-Wan Choi, Seo-Hee Ha, Hee-Kwon Eun
  • Publication number: 20100177498
    Abstract: A light source unit configured to shield electromagnetic interference (EMI) due to high frequencies radiated from internal circuits and a display device having the light source unit is provided. The display device includes a display panel displaying an image, a light source supplying light to the display panel, and a first circuit board having the light source mounted thereon and an EMI shielding pattern formed on at least one surface thereof.
    Type: Application
    Filed: October 21, 2009
    Publication date: July 15, 2010
    Inventors: DONG-WAN CHOI, Hyo-Sang Yang, Hee-Kwon Eun, Seung-Jun Lee
  • Publication number: 20090284692
    Abstract: A display device includes a display panel including a display area and a non-display area defined therein, and a protective substrate disposed on a viewing side of the display panel. At least one light receiving element is provided in the non-display area, and a focusing pattern is disposed on the protective substrate corresponding to a location at which the light receiving element is disposed.
    Type: Application
    Filed: February 27, 2009
    Publication date: November 19, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyo-Sang YANG, Dong-Wan CHOI, Hee-Kwon EUN