Patents by Inventor Ji-yeon Yang

Ji-yeon Yang 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: 9019353
    Abstract: In a two-dimensional/three-dimensional (2D/3D) switchable image display apparatus and a method of displaying 2D and 3D images, the 2D/3D switchable image display apparatus may comprise: a data driver which outputs column data of an input image; a scan driver which controls a driving method of a plurality of odd scan lines and a plurality of even scan lines according to an input method and a display mode of the input image; a display panel which displays a 2D image or a 3D image by separately displaying the input image in odd lines and even lines; and a parallax device which generates binocular parallax between an image displayed in the odd lines and an image displayed in the even lines.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Geun-Young Jeong, Seung-Kyu Lee, Jong-Woong Park, Joo-Hyung Lee, Ji-Yeon Yang
  • Publication number: 20150015590
    Abstract: A data processing apparatus includes a diagonal detector, a first processor, and a second processor. The diagonal detector may determine whether a red-blue data set includes data for controlling a display device to display any diagonal line, the display device including subpixels arranged in first-type lines and second-type lines that are alternately disposed, the red-blue data set including 9 data values that correspond to 9 subpixels among the subpixels, the 9 subpixels forming a 3-by-3 array that includes a center subpixel, the 9 data values including a center data value that corresponds to the center subpixel. The first/second processor may process the center data value using a first/second coefficient to produce a first/second value that corresponds to the center subpixel if the center subpixel is in the first-type/second-type lines.
    Type: Application
    Filed: January 22, 2014
    Publication date: January 15, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Geun-Young JEONG, Ji-Yeon YANG, Byung-Hyun KIM, Takeshi KATO, Myung-Ho LEE
  • Publication number: 20150015600
    Abstract: A method of signal-processing input image data of a display device including a plurality of pixels, each pixel including a green subpixel and one of a red subpixel and a blue subpixel, the method includes: performing a gamma-conversion on input image data corresponding to the one of the red subpixel and the blue subpixel in each pixel; distributing the gamma-converted input image data corresponding to a center pixel to image data of a pixel in a vertical direction based on the center pixel by a first ratio; and distributing the gamma-converted input image data corresponding to the center pixel to image data of a pixel in a horizontal direction based on the center pixel by a second ratio, where the green subpixel and the one of the red subpixel and the blue subpixel are diagonally disposed in each pixel.
    Type: Application
    Filed: April 18, 2014
    Publication date: January 15, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ji-Yeon YANG, Geun-Young JEONG, Myung-Ho LEE, Jeong-Eun KIM
  • Patent number: 8861876
    Abstract: A pixel data compression device is provided. The device includes: a first judgment unit for comparing a number of bits of a value of first pixel data and a number of bits of a value of second pixel data with a number of reference bits; a format determination unit for determining a format of compressed data, the format corresponding to the number of bits of the value of the first pixel data and the number of bits of the value of the second pixel data; and a compression unit for generating the compressed data, which corresponds to the format of the compressed data, from the first pixel data and the second pixel data. The compressed data includes a flag region, a first data region, and a second data region.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Hyun Kim, Jong Woong Park, Geun Young Jeong, Ji Yeon Yang, Ju Hyung Lee
  • Publication number: 20140232735
    Abstract: A data processor for a display device that includes a plurality of pixels, each of which includes red, first green, blue, and second green sub-pixels, may include an input gamma processor for processing image data including red, green, and blue grayscale data into linearized image data by applying a gamma function to the image data, a first sub-pixel rendering unit for rendering the linearized image data according to layout of a plurality of sub-pixels included in the plurality of pixels using a 3×1 rendering filter to output linearized second sub-pixel data, and an output gamma processor for processing the linearized second sub-pixel data into non-linearized second sub-pixel data by applying an inverse gamma function to the linearized second sub-pixel data.
    Type: Application
    Filed: June 24, 2013
    Publication date: August 21, 2014
    Inventors: Geun-Young JEONG, Ji-Yeon YANG, Byung-Hyun KIM, Takeshi KATO, Myung-Ho LEE
  • Patent number: 8766891
    Abstract: A display apparatus includes a first substrate opposite a second substrate, a plurality of electrode patterns in the second substrate, the plurality of electrode patterns extending along a first direction, a plurality of barrier patterns in the second substrate, the plurality of barrier patterns being insulated from the electrode patterns and extending along a second direction crossing the first direction, and a plurality of pixels, the first and second substrates with the pixels defining a display panel, and each pixel including a gate line extending along a third direction, a data line extending along a fourth direction, and a pixel electrode electrically connected to the gate line and the data line, the pixel electrode being configured to generate an electric field with a corresponding electrode pattern of the plurality of electrode patterns to display an image.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: July 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Yeon Yang, JongWoung Park, Geun-Young Jeong, Ju-Hyung Lee
  • Patent number: 8736518
    Abstract: A display apparatus includes a substrate and pixels defined on the substrate, where each of the pixels is a hexagon having a first side, a second side, a third side, a fourth side, a fifth side and a sixth side, and the sum of the length of the first side and the length of the fourth side is greater than half the sum of the lengths of the second, third, fifth and sixth sides.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: May 27, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Woong Park, Geun-Young Jeong, Ji-Yeon Yang, Won-Woo Jang, Joo-Hyung Lee
  • Patent number: 8723771
    Abstract: A display apparatus includes a first substrate opposite a second substrate, a plurality of electrode patterns in the second substrate, the plurality of electrode patterns extending along a first direction, a plurality of barrier patterns in the second substrate, the plurality of barrier patterns being insulated from the electrode patterns and extending along a second direction crossing the first direction, and a plurality of pixels, the first and second substrates with the pixels defining a display panel, and each pixel including a gate line extending along a third direction, a data line extending along a fourth direction, and a pixel electrode electrically connected to the gate line and the data line, the pixel electrode being configured to generate an electric field with a corresponding electrode pattern of the plurality of electrode patterns to display an image.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: May 13, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Yeon Yang, JongWoung Park, Geun-Young Jeong, Ju-Hyung Lee
  • Publication number: 20140097760
    Abstract: A method of evaluating visibility of a plurality of sub-pixel structures in a panel having a plurality of red sub-pixels, green sub-pixels, and blue sub-pixels arranged in stripes, the method including establishing a target sub-pixel structure different from the stripe sub-pixel structure of the panel by combining the plurality of pixels, and evaluating a displayed image by using the target sub-pixel structure.
    Type: Application
    Filed: February 1, 2013
    Publication date: April 10, 2014
    Inventors: Takeshi KATO, Geun-Young JEONG, Ji-Yeon YANG, Byung-Hyun KIM
  • Publication number: 20140071175
    Abstract: An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable.
    Type: Application
    Filed: January 28, 2013
    Publication date: March 13, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ji-Yeon Yang, Geun-Young Jeong, Takeshi Kato, Myung-Ho Lee
  • Publication number: 20130343660
    Abstract: A pixel data compression device is provided. The device includes: a first judgment unit for comparing a number of bits of a value of first pixel data and a number of bits of a value of second pixel data with a number of reference bits; a format determination unit for determining a format of compressed data, the format corresponding to the number of bits of the value of the first pixel data and the number of bits of the value of the second pixel data; and a compression unit for generating the compressed data, which corresponds to the format of the compressed data, from the first pixel data and the second pixel data. The compressed data includes a flag region, a first data region, and a second data region.
    Type: Application
    Filed: November 16, 2012
    Publication date: December 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Hyun Kim, Jong Woong Park, Geun Young Jeong, Ji Yeon Yang, Ju Hyung Lee
  • Publication number: 20130335439
    Abstract: A color gamut conversion system comprising a color gamut conversion function generator, a color gamut converter, and a scaler is disclosed. In some embodiments, the color gamut conversion function generator is configured to generate a color gamut conversion function for determining an intermediate color gamut located in a color space between a predetermined color gamut corresponding to a display panel of a display device and a standard color gamut, the color gamut converter is configured to receive input data supplied from an external image source and convert a color coordinate of the input data according to the generated color gamut conversion function and the scaler configured is to scale a value of the data converted by the color gamut converter, generate the value as output data, and transfer the output data.
    Type: Application
    Filed: November 14, 2012
    Publication date: December 19, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Geun-Young Jeong, Won-Woo Jang, Jong-Woong Park, Ji-Yeon Yang, Joo-Hyung Lee
  • Publication number: 20130257915
    Abstract: A display apparatus having improved display quality is disclosed. According to one aspect, the display apparatus includes a display panel including first to Mth data lines extending in a first direction, where M is an integer greater than 2, first to Nth scan lines extending in a second direction, where N is an integer greater than 2, and a plurality of pixel regions defined by one or more of the data lines and one or more of the scan lines. An image data processor is configured to process input image signals and output corrected input image signals, and a data driver is configured to receive the corrected input image signals and supply the same to the first to Mth data lines. The plurality of pixel regions include first to Mth pixel arrays extending in parallel, and the image data signal processor is configured to output the corrected input image signals to adjust a gray value applied to at least one of the first pixel array and the Mth pixel array.
    Type: Application
    Filed: October 15, 2012
    Publication date: October 3, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ji-Yeon Yang, Won-Woo Jang, Geun-Young Jeong
  • Patent number: 8493100
    Abstract: An output driver includes a control signal generation unit configured to generate a control signal in response to a driving strength signal and a power supply voltage level, and a driving signal generation unit configured to buffer a pre-driving signal and generate a driving signal for driving an output data, wherein a driving strength of the driving signal is adjusted in response to the control signal.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: July 23, 2013
    Assignee: SK Hynix Inc.
    Inventors: Ji Yeon Yang, Dong Uk Lee
  • Publication number: 20130038513
    Abstract: A display apparatus includes a substrate and pixels defined on the substrate, where each of the pixels is a hexagon having a first side, a second side, a third side, a fourth side, a fifth side and a sixth side, and the sum of the length of the first side and the length of the fourth side is greater than half the sum of the lengths of the second, third, fifth and sixth sides.
    Type: Application
    Filed: December 7, 2011
    Publication date: February 14, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jong-Woong Park, Geun-Young Jeong, Ji-Yeon Yang, Won-Woo Jang, Joo-Hyung Lee
  • Publication number: 20120293490
    Abstract: A display apparatus includes a first substrate opposite a second substrate, a plurality of electrode patterns in the second substrate, the plurality of electrode patterns extending along a first direction, a plurality of barrier patterns in the second substrate, the plurality of barrier patterns being insulated from the electrode patterns and extending along a second direction crossing the first direction, and a plurality of pixels, the first and second substrates with the pixels defining a display panel, and each pixel including a gate line extending along a third direction, a data line extending along a fourth direction, and a pixel electrode electrically connected to the gate line and the data line, the pixel electrode being configured to generate an electric field with a corresponding electrode pattern of the plurality of electrode patterns to display an image.
    Type: Application
    Filed: September 21, 2011
    Publication date: November 22, 2012
    Inventors: Ji-Yeon Yang, JongWoung Park, Geun-Young Jeong, Ju-Hyung Lee
  • Publication number: 20120162208
    Abstract: A two-dimensional (2D)/three-dimensional (3D) image display device is disclosed. The 2D/3D image display device includes pixels each having a first subpixel and a second subpixel, wherein, in a 2D driving mode, the first subpixel and the second subpixel respectively display images for a same image signal based on data voltages corresponding to different gamma curves.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 28, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jong-Woong PARK, Joo-Hyung LEE, Geun-Young JEONG, Ji-Yeon YANG, Byung-Ki CHUN
  • Publication number: 20120146994
    Abstract: In a two-dimensional/three-dimensional (2D/3D) switchable image display apparatus and a method of displaying 2D and 3D images, the 2D/3D switchable image display apparatus may comprise: a data driver which outputs column data of an input image; a scan driver which controls a driving method of a plurality of odd scan lines and a plurality of even scan lines according to an input method and a display mode of the input image; a display panel which displays a 2D image or a 3D image by separately displaying the input image in odd lines and even lines; and a parallax device which generates binocular parallax between an image displayed in the odd lines and an image displayed in the even lines.
    Type: Application
    Filed: March 22, 2011
    Publication date: June 14, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Geun-Young Jeong, Seung-Kyu Lee, Jong-Woong Park, Joo-Hyung Lee, Ji-Yeon Yang
  • Patent number: 8199591
    Abstract: A data driver is presented in which the data driver includes a termination/pull-up driver and a pull-down driver. The termination/pull-up driver is configured to perform a termination operation and a pull-up operation at the same time for a data output terminal during an active interval of a semiconductor memory. The pull-down driver is configured to be activated when the semiconductor memory performs a read operation, and configured to pull down the output terminal in response to a level of an input data.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: June 12, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Dong Uk Lee, Ji Yeon Yang
  • Publication number: 20120081330
    Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.
    Type: Application
    Filed: September 19, 2011
    Publication date: April 5, 2012
    Inventors: Jong-Woong Park, Joo-Hyung Lee, Geun-Young Jeong, Sang-Jin Pak, Ji-Yeon Yang, Se-Il Cho