Patents by Inventor Kyoung-Oh Choi

Kyoung-Oh Choi 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: 9147233
    Abstract: Display apparatus, multi display system, and control method are provided. The display apparatus which comprises a display unit displaying an image, the display apparatus include: a storing unit in which information about a maximum resolution of the display unit is stored; a signal processing unit which captures an area of an input image signal of a high resolution, and processes the captured image signal to enable the display unit to display the input image signal if the input image signal has a resolution higher than the maximum resolution of the display unit stored in the storing unit; and an output unit which outputs the image signal input to the signal processing unit to an outside. With this, display apparatus, a multi media system and a control method thereof are capable of displaying an input image signal having resolution higher than a maximum resolution of a display unit.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: September 29, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kyoung-oh Choi
  • Patent number: 9124878
    Abstract: Provided are a 3-dimensional image display apparatus and a control method thereof, the apparatus including: a video signal receiving unit which receives a video signal containing plane image data or stereoscopic image data from an external signal source; a liquid crystal module which includes a liquid crystal display panel to selectively display the plane image data and the stereoscopic image data, and a backlight unit provided in a rear portion of the liquid crystal display panel; a power supply which supplies power to the liquid crystal module; and a controller which determines whether the received video signal contains the plane image data or the stereoscopic image data, and if the video signal receiving unit contains the stereoscopic image data, the controller controls the power supply such that the backlight unit operates in a power saving mode while the stereoscopic image data is scanned to the liquid crystal display panel.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: September 1, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kyoung-oh Choi
  • Patent number: 9007345
    Abstract: A method and apparatus for displaying an object are provided. The display apparatus includes a display unit which displays an object, a first touch sensing unit which senses a user input by a first input method, a second touch sensing unit which senses a user input by a second input method, a coordinate calculation unit which calculates coordinate values sensed by the first and the second touch sensing units, and a controller which, in response to a user input being simultaneously sensed by the first and the second touch sensing units, compares the coordinate values sensed by the first and the second touch sensing units and determines whether the user input is a single touch input or a multi-touch input, and, according to a result of the determination, controls to display the object on the display unit.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-ran Han, Hee-won Lee, Kyoung-oh Choi
  • Patent number: 8928742
    Abstract: A display apparatus, display method, image processing apparatus, and image processing method which are capable of allowing a stereoscopic image to be recognized exactly by a left eye and a right eye. The display apparatus includes: an image signal receiving unit which receives an image signal; an image signal processing unit which generates a scanning signal for scanning a left eye image signal and a right eye image signal of the image signal alternately and for scanning a part of the left eye image signal or a part of the right eye image signal between a section for scanning the left eye image signal and a section for scanning the right eye image signal; and an image output unit which displays the image signal according to the scanning signal.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: January 6, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoung-oh Choi, Chang-won Lee
  • Publication number: 20150002413
    Abstract: An electronic device is provided, which includes a touch sensor configured to sense a touch input to a screen, a storage configured to store different firmware corresponding to a plurality of input modes supported by the touch sensor, and a controller configured to sense the touch input according to a selected input mode among the plurality of input modes, through execution of one of the different firmware corresponding to the selected input mode.
    Type: Application
    Filed: February 11, 2014
    Publication date: January 1, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun-mook CHOI, Kyoung-oh CHOI, Young-ran HAN, Jong-hoon KIM, Jeong-hyun PARK
  • Publication number: 20150002410
    Abstract: An electronic apparatus is provided. The electronic apparatus includes a touch sensor configured to sense a touch on a screen using a first touch method or a second touch method, and a controller configured to control the touch sensor to selectively apply a touch method of the first touch method and the second touch method sensed, according to a type of touch unit.
    Type: Application
    Filed: December 20, 2013
    Publication date: January 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-mook CHOI, Kyoung-oh CHOI, Young-ran HAN, Jong-hoon KIM
  • Publication number: 20140368751
    Abstract: A liquid crystal panel assembly is provided. The liquid crystal panel assembly includes a liquid crystal panel configured to display an image, a backlight arranged in the rear of the liquid crystal panel and configured to supply light to the liquid crystal panel, a package module configured to package the liquid crystal panel and the backlight into one module, and at least one dummy member arranged to occupy a space provided in the rear of the backlight in the package module.
    Type: Application
    Filed: January 30, 2014
    Publication date: December 18, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ran HAN, Kyoung-oh CHOI, Hyun-mook CHOI
  • Publication number: 20140368461
    Abstract: A display apparatus having a screen on which recording by a user's touch can be performed is provided. The display apparatus includes a display configured to provide the screen, an accommodator configured to accommodate the display and having a screen aperture formed thereon with a predetermined depth to expose the screen, a touch position sensor configured to sense the position of a touch device that is used by a user when a distance between the screen and the touch device is shorter than the predetermined depth, a vibration sensor mounted on the display and configured to sense vibration of the display due to a contact of the touch device with the screen, and a controller configured to control the display to perform recording on a point of the screen that corresponds to the sensed position of the touch device when the vibration is sensed.
    Type: Application
    Filed: January 2, 2014
    Publication date: December 18, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ran HAN, Jong-hoon KIM, Seung-myen LEE, Kyoung-oh CHOI
  • Publication number: 20140347290
    Abstract: An input device, a display apparatus and a method of controlling the input device are provided. The input device includes: a communicator configured to communicate with a display apparatus; a sensor configured to sense a sound; a volume extractor configured to extract volume sections from the sound sensed by the sensor; and a controller configured to determine whether a peak level of each of the volume sections extracted by the volume extractor exceeds a threshold level, and in response to determining the peak level of a volume section among the volume sections exceeds the threshold level, control the communicator to generate an event signal for cancelling a job for a pattern image displayed on the display apparatus based on a touch input and transmit the event signal to the display apparatus.
    Type: Application
    Filed: February 28, 2014
    Publication date: November 27, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ran HAN, Kyoung-oh CHOI
  • Patent number: 8854438
    Abstract: Provided is a display apparatus which includes a display unit; an image processor which scans a three-dimensional image including a left or right eye image to the display unit; and a controller which adjusts a blanking time, during which neither the left eye image nor the right eye image is scanned, to be different from a reference time and controls the image processor to alternately scan the left and right eye images to the display unit based on the adjusted blanking time.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: October 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyoung-oh Choi
  • Publication number: 20140292761
    Abstract: Display apparatus, multi display system, and control method are provided. The display apparatus which comprises a display unit displaying an image, the display apparatus include: a storing unit in which information about a maximum resolution of the display unit is stored; a signal processing unit which captures an area of an input image signal of a high resolution, and processes the captured image signal to enable the display unit to display the input image signal if the input image signal has a resolution higher than the maximum resolution of the display unit stored in the storing unit; and an output unit which outputs the image signal input to the signal processing unit to an outside. With this, display apparatus, a multi media system and a control method thereof are capable of displaying an input image signal having resolution higher than a maximum resolution of a display unit.
    Type: Application
    Filed: June 16, 2014
    Publication date: October 2, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kyoung-oh CHOI
  • Patent number: 8791876
    Abstract: Display apparatus, multi display system, and control method are provided. The display apparatus which comprises a display unit displaying an image, the display apparatus include: a storing unit in which information about a maximum resolution of the display unit is stored; a signal processing unit which captures an area of an input image signal of a high resolution, and processes the captured image signal to enable the display unit to display the input image signal if the input image signal has a resolution higher than the maximum resolution of the display unit stored in the storing unit; and an output unit which outputs the image signal input to the signal processing unit to an outside. With this, display apparatus, a multi media system and a control method thereof are capable of displaying an input image signal having resolution higher than a maximum resolution of a display unit.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: July 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyoung-oh Choi
  • Publication number: 20140168185
    Abstract: A display apparatus is disclosed. The display apparatus includes a display panel, a photonic crystal array which is arranged on at least one side of the display panel and displays an image based on an applied voltage, an electrode which applies voltage to the photonic crystal array, and a controller which controls so that voltage is applied to the photonic crystal array based on image information displayed on the display panel.
    Type: Application
    Filed: December 12, 2013
    Publication date: June 19, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ran HAN, Ju-yong KIM, Hee-won LEE, Kyoung-oh CHOI, Hyun-mook CHOI
  • Publication number: 20140139491
    Abstract: A display apparatus is disclosed. The display apparatus includes a display panel; a touch sensor which senses whether a display screen of an external display apparatus is touched on the display panel; and a controller which transmits first data to the external display apparatus through a touch area between the display panel and the external display apparatus, and obtains second data transmitted from the external display apparatus using the touch sensor.
    Type: Application
    Filed: November 22, 2013
    Publication date: May 22, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ran HAN, Hyun-mook CHOI, Jeong-hyun PARK, Kyoung-oh CHOI
  • Publication number: 20140028814
    Abstract: Provided are a 3-dimensional image display apparatus and a control method thereof, the apparatus including: a video signal receiving unit which receives a video signal containing plane image data or stereoscopic image data from an external signal source; a liquid crystal module which includes a liquid crystal display panel to selectively display the plane image data and the stereoscopic image data, and a backlight unit provided in a rear portion of the liquid crystal display panel; a power supply which supplies power to the liquid crystal module; and a controller which determines whether the received video signal contains the plane image data or the stereoscopic image data, and if the video signal receiving unit contains the stereoscopic image data, the controller controls the power supply such that the backlight unit operates in a power saving mode while the stereoscopic image data is scanned to the liquid crystal display panel.
    Type: Application
    Filed: September 26, 2013
    Publication date: January 30, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kyoung-oh CHOI
  • Publication number: 20130314650
    Abstract: A liquid crystal panel includes an upper plate, a lower plate, and a liquid crystal layer accommodated between the upper plate and the lower plate. The upper plate includes a front glass substrate, a color filter layer formed on a rear surface of the front glass substrate, and a front polarizing film is attached to a front surface of the front glass substrate. The color filter layer includes a plurality of N color filters and black matrices for separating the color filters from each other. A plurality of patterns for recognizing coordinates are provided on a front side of the upper plate in such a manner that the N color filters correspond to one of the plurality of patterns for recognizing the coordinates, where N is a natural number.
    Type: Application
    Filed: May 9, 2013
    Publication date: November 28, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ran HAN, Kyoung-oh CHOI
  • Publication number: 20130314344
    Abstract: A display apparatus, an input apparatus connected to the display apparatus, and controlling methods thereof are provided. The display apparatus includes: a plurality of displays which provide a screen displaying a signal-processed image; an interface which receives coordinate information of the screen recognized by the input apparatus, from the input apparatus; and a controller which controls the display apparatus to change and provide a luminance to a preset area on the screen provided by the plurality of displays, by using the received coordinate information.
    Type: Application
    Filed: March 1, 2013
    Publication date: November 28, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-mook CHOI, Kyoung-oh CHOI, Young-ran HAN
  • Patent number: 8570364
    Abstract: Provided are a 3-dimensional image display apparatus and a control method thereof, the apparatus including: a video signal receiving unit which receives a video signal containing plane image data or stereoscopic image data from an external signal source; a liquid crystal module which includes a liquid crystal display panel to selectively display the plane image data and the stereoscopic image data, and a backlight unit provided in a rear portion of the liquid crystal display panel; a power supply which supplies power to the liquid crystal module; and a controller which determines whether the received video signal contains the plane image data or the stereoscopic image data, and if the video signal receiving unit contains the stereoscopic image data, the controller controls the power supply such that the backlight unit operates in a power saving mode while the stereoscopic image data is scanned to the liquid crystal display panel.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: October 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyoung-oh Choi
  • Publication number: 20130113758
    Abstract: A method and a system for recognizing a touch point, and a display apparatus are provided. The method for recognizing the touch point includes emitting, by the display apparatus, an infrared ray (IR) signal to pass through a liquid crystal display (LCD) panel, the LCD panel including regions, each region having a different pattern; photographing, by the digital pen using an IR camera, a pattern through which the IR signal passes at a touch point on the display apparatus that is touched by the digital pen, obtaining an IR image corresponding to the touch point; and recognizing, by the digital pen, the touch point using the IR image.
    Type: Application
    Filed: July 3, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-mook CHOI, Hee-won LEE, Kyoung-oh CHOI, Young-ran HAN
  • Publication number: 20130009912
    Abstract: A method and system for recognizing a touch of a display system including a plurality of touch screens is provided. The method for recognizing a touch of a display system including a plurality of touch screens includes: operating each of the plurality of touch screens according to an individually set pulse signal; in response to a point on a touch screen of the plurality of touch screens being touched by a digital pen, detecting a pulse signal of the touched touch screen by the digital pen; determining coordinate information of the touched point by the digital pen; and recognizing the touch screen among the plurality of touch screens and coordinate information of the touched point according to at least one characteristic of the detected pulse signal.
    Type: Application
    Filed: July 3, 2012
    Publication date: January 10, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ran HAN, Kyoung-oh CHOI