Patents by Inventor Ui Taek Jeong

Ui Taek Jeong 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: 9898961
    Abstract: A data processing method and an apparatus for an organic light emitting diode (OLED) display device are provided.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: February 20, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Ui-Taek Jeong, Tae-Gung Kim, Jung-Hyeon Kim
  • Patent number: 9715848
    Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: July 25, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Hyung Rae Kim, Seung Chan Byun, Jung Yoon Yi, Kyoung Sik Choi, Dae Hyeon Park, Ui Taek Jeong, Boeon Byeon
  • Patent number: 9672772
    Abstract: An organic light-emitting display device includes: an organic light-emitting panel defined into a plurality of pixel regions which each includes a drive transistor configured to drive an organic light emission element and a load capacitor configured to charge a threshold voltage of the drive transistor; and a controller configured to calculate an offset information on the basis of the threshold voltage and derive a second image signal by reflecting the offset information to a first image signal.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: June 6, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Ui Taek Jeong
  • Patent number: 9430964
    Abstract: Disclosed is an organic light emitting display device and a method for driving the same to prevent luminance variations caused by degradation variations, and to prevent picture quality from being deteriorated by residual images caused by the luminance variations. The device includes a display panel having a plurality of sub-pixels, each sub-pixel having an organic light emitting diode; a memory which stores accumulated data of each sub-pixel therein; and a panel driver which accumulates input data of each sub-pixel every accumulation period, stores the accumulated data in the memory, generates a degradation compensation gain value of each sub-pixel, generates modulated data of each sub-pixel by modulating the input data of each sub-pixel in accordance with the degradation compensation gain value of each sub-pixel, converts the modulated data into the data voltage, and supplies the data voltage to each sub-pixel.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: August 30, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Ui taek Jeong, Dae hyeon Park
  • Publication number: 20160225317
    Abstract: An organic light-emitting display device includes: an organic light-emitting panel defined into a plurality of pixel regions which each includes a drive transistor configured to drive an organic light emission element and a load capacitor configured to charge a threshold voltage of the drive transistor; and a controller configured to calculate an offset information on the basis of the threshold voltage and derive a second image signal by reflecting the offset information to a first image signal.
    Type: Application
    Filed: April 13, 2016
    Publication date: August 4, 2016
    Inventor: Ui Taek Jeong
  • Patent number: 9349315
    Abstract: An organic light-emitting display device includes: an organic light-emitting panel defined into a plurality of pixel regions which each includes a drive transistor configured to drive an organic light emission element and a load capacitor configured to charge a threshold voltage of the drive transistor; and a controller configured to calculate an offset information on the basis of the threshold voltage and derive a second image signal by reflecting the offset information to a first image signal.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: May 24, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Ui Taek Jeong
  • Publication number: 20150187259
    Abstract: A data processing method and an apparatus for an organic light emitting diode (OLED) display device are provided.
    Type: Application
    Filed: November 24, 2014
    Publication date: July 2, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ui-Taek Jeong, Tae-Gung Kim, Jung-Hyeon Kim
  • Patent number: 9030387
    Abstract: Disclosed is a light emitting display device capable of minimizing deviation of current driving capability between driving switching devices of respective pixels, thereby achieving enhanced screen quality. A method of driving the light emitting display device includes sensing the threshold voltage and mobility of driving Thin Film Transistor (TFT) of each pixel through each data line or each power line using a first sensing voltage; correcting an error of the mobility between the driving TFTs by again sensing the mobility of the driving TFT of each pixel through each data line or each power line using a second voltage; and compensating for video data to be displayed on a display panel using the threshold voltage and the corrected mobility.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: May 12, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Ui-Taek Jeong, Na-Ri Kim, Ji-Eun Lee
  • Publication number: 20140168192
    Abstract: Disclosed is an organic light emitting display device and a method for driving the same to prevent luminance variations caused by degradation variations, and to prevent picture quality from being deteriorated by residual images caused by the luminance variations. The device includes a display panel having a plurality of sub-pixels, each sub-pixel having an organic light emitting diode; a memory which stores accumulated data of each sub-pixel therein; and a panel driver which accumulates input data of each sub-pixel every accumulation period, stores the accumulated data in the memory, generates a degradation compensation gain value of each sub-pixel, generates modulated data of each sub-pixel by modulating the input data of each sub-pixel in accordance with the degradation compensation gain value of each sub-pixel, converts the modulated data into the data voltage, and supplies the data voltage to each sub-pixel.
    Type: Application
    Filed: October 16, 2013
    Publication date: June 19, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ui taek Jeong, Dae hyeon Park
  • Publication number: 20140168039
    Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 19, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hyung Rae Kim, Seung Chan Byun, Jung Yoon Yi, Kyoung Sik Choi, Dae Hyeon Park, Ui Taek Jeong, Boeon Byeon