Patents by Inventor Min Seok BAE

Min Seok BAE 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: 20190139490
    Abstract: A display device includes a display panel including a plurality of data lines, a plurality of gate lines, and a plurality of pixels and a compensating data generator configured to sense a sensing driving current of the pixel in an Nth frame and a target driving current of the pixel in an (N+M)th frame, and to calculate an over driving data that allows the sensing driving current to be the same with the target driving current by changing a data voltage of the Nth frame when a sensing image having a first grayscale in a (N?1)th frame and having a second grayscale in the Nth frame and the (N+M)th frame, where N is an integer greater than or equal to 2, and M is an integer greater than or equal to 1.
    Type: Application
    Filed: November 7, 2018
    Publication date: May 9, 2019
    Inventors: Sunghoon BANG, Min-Seok BAE, Wooseok HAN
  • Patent number: 10134341
    Abstract: A display device includes: a pixel unit including pixels, each including an OLED; a scan driver configured to supply scan signals to scan lines connected to the pixels; a data driver configured to supply data signals to data lines connected to the pixels; a control line driver configured to supply control signals to control lines connected to the pixels; a sensing unit configured to receive sensing voltages from the data lines during a sensing period; a switching unit configured to selectively connect the data lines to the data driver and to the sensing unit, and to perform current sensing of the OLEDs of the pixels to which the control signals are supplied from among the plurality of pixels; and a timing controller configured to control the control line driver to supply the control signals to one or more of the control lines according to externally input first data.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: November 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Min Seok Bae
  • Patent number: 9984628
    Abstract: An organic light emitting display device includes a display panel including a plurality of pixels, a scan driver configured to provide a scan signal to the pixels, a data driver configured to provide a data signal to the pixels, a sensing circuit configured to sense a sensing current flowing through the pixels according to a sensing reference voltage applied to the pixels, and a controller configured to calculate a sensing current variation from the sensing current, and configured to adjust the sensing current variation based on a variation data of the pixels to compensate an input image data.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 29, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Seok Bae, Su-Min Yang, Jin-Woo Park, Dong-Won Lee
  • Publication number: 20170312737
    Abstract: Provided is a method for manufacturing a diesel autothermal reforming catalyst, which includes: a step of coating a catalyst material containing an organic solvent, a binder, a plasticizer and a catalyst powder on a monolithic support; and a step of heat-treating the catalyst material at 500-900° C.
    Type: Application
    Filed: April 28, 2017
    Publication date: November 2, 2017
    Inventors: Joong Myeon Bae, Ji Woo Oh, Min Seok Bae
  • Patent number: 9786221
    Abstract: An organic light emitting display device includes: a display panel including a plurality of sub-pixels, each of the sub-pixels including an organic light emitting device to be light-emitted by a data current based on a data voltage; a memory to store accumulated data to be displayed on each of the sub-pixels; a deterioration compensator including: a compensation scheme determiner; a compensation amount calculator; and a modulation data generation generator; a timing controller to arrange the modulation data of each of the sub-pixels as pixel data according to a pixel arrangement structure of the display panel; and a data driver to convert the pixel data into the data voltage.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: October 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Seok Bae, Sung Hoon Bang
  • Publication number: 20170193918
    Abstract: A display device includes: a pixel unit including pixels, each including an OLED; a scan driver configured to supply scan signals to scan lines connected to the pixels; a data driver configured to supply data signals to data lines connected to the pixels; a control line driver configured to supply control signals to control lines connected to the pixels; a sensing unit configured to receive sensing voltages from the data lines during a sensing period; a switching unit configured to selectively connect the data lines to the data driver and to the sensing unit, and to perform current sensing of the OLEDs of the pixels to which the control signals are supplied from among the plurality of pixels; and a timing controller configured to control the control line driver to supply the control signals to one or more of the control lines according to externally input first data.
    Type: Application
    Filed: November 4, 2016
    Publication date: July 6, 2017
    Inventor: Min Seok Bae
  • Publication number: 20170084227
    Abstract: An organic light emitting display device includes a display panel including a plurality of pixels, a scan driver configured to provide a scan signal to the pixels, a data driver configured to provide a data signal to the pixels, a sensing circuit configured to sense a sensing current flowing through the pixels according to a sensing reference voltage applied to the pixels, and a controller configured to calculate a sensing current variation from the sensing current, and configured to adjust the sensing current variation based on a variation data of the pixels to compensate an input image data.
    Type: Application
    Filed: March 31, 2016
    Publication date: March 23, 2017
    Inventors: Min-Seok Bae, Su-Min Yang, Jin-Woo Park, Dong-Won Lee
  • Patent number: 9455698
    Abstract: A gate driver is provided. The gate driver includes a plurality of cascade-connected stages. The k-th stage of the stages includes a switching unit for connecting a first node to a second node, a driving unit for generating an output signal in accordance with a voltage of the first node, and an input unit for inputting an output signal of a (k?1)-th stage of the stages and an output signal of a (k+1)-th stage of the stages to the second node.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: September 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Seok Bae, Chul Min Kim
  • Publication number: 20160140901
    Abstract: An organic light emitting display device includes: a display panel including a plurality of sub-pixels, each of the sub-pixels including an organic light emitting device to be light-emitted by a data current based on a data voltage; a memory to store accumulated data to be displayed on each of the sub-pixels; a deterioration compensator including: a compensation scheme determiner; a compensation amount calculator; and a modulation data generation generator; a timing controller to arrange the modulation data of each of the sub-pixels as pixel data according to a pixel arrangement structure of the display panel; and a data driver to convert the pixel data into the data voltage.
    Type: Application
    Filed: February 10, 2015
    Publication date: May 19, 2016
    Inventors: Min Seok Bae, Sung Hoon Bang
  • Publication number: 20150193905
    Abstract: A method of processing data in a display device for displaying an image is disclosed. In one aspect, the method includes: dividing the data elements of an image data into sections based on the distribution of the data elements; then generating a header for each section; compressing each data element to a compressed data element by using an offset specific to the section including the data element, an interval of the section including the data element and the header for that section; and generating an image data signal for displaying the image using the compressed data element.
    Type: Application
    Filed: December 22, 2014
    Publication date: July 9, 2015
    Inventors: Ji Gong Lee, Min Seok Bae, Su Min Yang
  • Publication number: 20150130866
    Abstract: An organic light-emitting diode (OLED) display and method for driving the same are disclosed. In one aspect, the OLED display includes a plurality of pixels and a compensation unit configured to receive first image data including a gray scale value for each pixel. The compensation unit accumulates the first image data to generate accumulated data, selects a data compensation method for each pixel based at least in part on the accumulated data, and compensates the gray scale value included in the first image data for each pixel based at least in part on the selected data compensation method to generate second image data. The OLED display also includes a data driver configured to convert the second image data into data signals and apply the data signals to the pixels.
    Type: Application
    Filed: November 5, 2014
    Publication date: May 14, 2015
    Inventors: Min-Seok BAE, Sang-Jin PAK, Joo-Hyung LEE, Sung-Hoon BANG
  • Patent number: 8830156
    Abstract: A gate driving circuit includes a plurality of stages, each stage including an input unit to determine a level of voltage to input to a first node based on the first and second input signals and the first clock signal that is input according to the level of the voltage input to the first node and a first gate-off voltage that is input in response to the second clock signal, a second driving unit outputting the gate signals based on the third clock signal input according to the voltage input to the first node and a second gate-off voltage input in response to the second clock signal, and a leakage blocking unit blocking leakage current of a transistor by maintaining a level of voltage input to a third node connected to the first node via at least one transistor.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: September 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol-Min Kim, Sang-Jin Pak, Min-Seok Bae
  • Publication number: 20140022228
    Abstract: A gate driver is provided. The gate driver includes a plurality of cascade-connected stages. The k-th stage of the stages includes a switching unit for connecting a first node to a second node, a driving unit for generating an output signal in accordance with a voltage of the first node, and an input unit for inputting an output signal of a (k?1)-th stage of the stages and an output signal of a (k+1)-th stage of the stages to the second node.
    Type: Application
    Filed: June 20, 2013
    Publication date: January 23, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Min-Seok Bae, Chul Min Kim
  • Publication number: 20130249884
    Abstract: A gate driving circuit includes a plurality of stages, each stage including an input unit to determine a level of voltage to input to a first node based on the first and second input signals and the first clock signal that is input according to the level of the voltage input to the first node and a first gate-off voltage that is input in response to the second clock signal, a second driving unit outputting the gate signals based on the third clock signal input according to the voltage input to the first node and a second gate-off voltage input in response to the second clock signal, and a leakage blocking unit blocking leakage current of a transistor by maintaining a level of voltage input to a third node connected to the first node via at least one transistor.
    Type: Application
    Filed: August 28, 2012
    Publication date: September 26, 2013
    Inventors: Cheol-Min KIM, Sang-Jin PAK, Min-Seok BAE
  • Publication number: 20100214309
    Abstract: A method of generating a common voltage for driving a display panel includes; comparing image data of a previous frame with image data of a present frame to determine whether the image data of the previous frame, which is received during a first setting time, is substantially the same as the image data of the present frame, determining a voltage level of the common voltage applied to the display panel in accordance with whether the image data of the previous frame is substantially the same as the image data of the present frame, generating the common voltage corresponding to the determined voltage level, and providing the display panel with the common voltage.
    Type: Application
    Filed: February 23, 2010
    Publication date: August 26, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-Seok Bae, Hye-Sung Kim, Dae-Kyun Oh, Ji-Young Kim, Jong-Seok Chae
  • Publication number: 20080111781
    Abstract: A liquid crystal display providing a gray scale voltage at a range in which the transmittance of liquid crystals is non-linearly changed with respect to the applied gray-scale voltage. voltage distributor including an upper variable voltage distribution unit, a fixed voltage distribution unit and a lower variable voltage distribution unit, which are connected in series between high and low potential voltages; and a voltage output means for outputting a gray-scale voltage using the distribution voltages of the voltage distributor, wherein each of the upper and lower variable voltage distribution units comprises a plurality of variable resistor sections connected in series, and the fixed voltage distribution unit comprises a plurality of variable resistor sections connected in series; a liquid crystal display having the same; and a driving method thereof.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 15, 2008
    Inventor: Min Seok BAE