Patents by Inventor Dong-Won Park

Dong-Won Park 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: 20180130437
    Abstract: A display device includes a display unit including a plurality of pixels, each of the pixels including a plurality of subpixels, and a display area having a corner of a non-right angular shape, and a signal controller controlling the display unit to display an image based on an input image signal and a control signal and changing a gray value of the image signal based on different light transmittance values of subpixels included in a first pixel, among the plurality of pixels, positioned at the corner of the non-right angular shape if the image signal corresponds to the first pixel at the corner of the non-right angular shape.
    Type: Application
    Filed: November 7, 2017
    Publication date: May 10, 2018
    Inventors: Sung Jae PARK, Jae-Gwan JEON, Kyung Su LEE, Dong Won PARK, Dong Hwa SHIN
  • Publication number: 20180095274
    Abstract: A display device performs efficient driving by selectively scanning a peripheral area processed to have low resolution. The display device includes a gate driver that scans a first subset of pixel rows in a first scan block including only the peripheral area during a first frame and a second frame, and respectively scan during the first frame and the second frame a second subset of pixel rows and a third subset of pixel rows in a second scan block including the medial area and the peripheral area excluding the foveal area, and scan pixel rows of pixels in a third scan block including the foveal area, the medial area, and the peripheral area during the first frame and the second frame.
    Type: Application
    Filed: September 18, 2017
    Publication date: April 5, 2018
    Inventors: Joon-Hee LEE, Hee-Jung HONG, Dong-Won PARK
  • Patent number: 9928791
    Abstract: According to an embodiment, a display apparatus includes gate lines extending in a first direction, data lines extending in a second direction crossing the first direction, and pixels connected to the gate lines and the data lines. The pixels include pixels arranged in a k-th row and pixels arranged in a (k+1)th row disposed adjacent to the pixels arranged in the k-th row in the second direction. An (i+1)th gate line is disposed between the pixels in the k-th row and the pixels in the (k+1)th row. A first pixel arranged in a g-th column among the pixels arranged in the k-th row and a second pixel arranged in the g-th column among the pixels arranged in the (k+1)th row are connected to a j-th data line. The pixels arranged in the k-th row are alternately connected to an i-th gate line and the (i+1)th gate line.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kuk-Hwan Ahn, Seokyun Son, Jai-Hyun Koh, Geunjeong Park, Dong-Won Park, Donghwa Shin, Won Sik Oh, Ik Soo Lee, Sang-Uk Lim, Seokha Hong
  • Patent number: 9916804
    Abstract: A display apparatus includes a display panel comprising a plurality of gate lines and a plurality of data lines, a gate driver circuit configured to generate a plurality of gate signals sequentially applied to the gate lines, and a timing controller configured to generate a reference control signal, the reference control signal adjusting at least one of a pulse-width and a phase of a predetermined gate signal among the gate signals.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: March 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Gwan Jeon, Jae-Hyoung Park, Ki-Tae Yoon, Dong-Won Park, Young-Soo Sohn, Won-Bok Lee
  • Publication number: 20180040287
    Abstract: A display device includes a display panel, a timing controller which receives a first image signal and a first control signal from an external device and outputs a second image signal and a second control signal, and a data driving part including a plurality of source integrated circuits (“IC”s) having different channel numbers based on a distance thereof from the timing controller, in which the data driving part receives the second image signal and the second control signal and outputs a third image signal and a third control signal to the display panel.
    Type: Application
    Filed: October 19, 2017
    Publication date: February 8, 2018
    Inventors: Dong-Won PARK, Bong-Hyun YOU
  • Patent number: 9870747
    Abstract: A display device is disclosed. In one aspect, the display device includes a display panel divided into first and second display parts. The display device also includes a first driving circuit configured to receive a driving voltage, generate a first gamma reference voltage based on the driving voltage, generate a first data signal based on the first gamma reference voltage, and apply the first data signal to the first display part. The display device further includes a second driving circuit configured to apply a second data signal to the second display part and a first share line disposed on the display panel. The first share line is configured to receive the first gamma reference voltage. The second driving circuit is further configured to receive the first gamma reference voltage from the first share line and generate the second data signal based on the first gamma reference voltage.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: January 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Won Park, Jung-Won Kim
  • Patent number: 9858854
    Abstract: A display apparatus includes a display panel comprising a plurality of data lines and a plurality of gate lines crossing the plurality of data lines, a frequency detector configured to receive an input synchronization signal with an input frequency which is varying in a preset frequency range and to count clock cycles of an input frame in the input synchronization signal, and a synchronization signal generator configured to generate an output synchronization signal which has an insertion frame corresponding to a frame of maximum frequency within the preset frequency range and inset the insertion frame in a vertical blanking period of the input frame, based on the clock count.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: January 2, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Myoung Seo, Dong-Won Park, Jae Wan Park, Po-Yun Park, Hong-Kyu Kim, Bonghyun You, Jung-Hwan Cho
  • Patent number: 9824660
    Abstract: A display device includes a display panel, a timing controller which receives a first image signal and a first control signal from an external device and outputs a second image signal and a second control signal, and a data driving part including a plurality of source integrated circuits (“IC”s) having different channel numbers based on a distance thereof from the timing controller, in which the data driving part receives the second image signal and the second control signal and outputs a third image signal and a third control signal to the display panel.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: November 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Won Park, Bong-Hyun You
  • Patent number: 9811301
    Abstract: An apparatus includes an overlay buffer configured to store overlay data; a touch path logic to: receive first touch events from the first touch sensor panel and generate a first output based on the first touch events, and receive second touch events from the second touch sensor panel and generate a second output based on the second touch events; and a rendering logic to, when the first touch events occur: receive a first video image; receive the first output; and combine the first video image with the overlay data corresponding to the first video image to output at least one combined display image, and, when the second touch events occur: receive a second video image; receive the second output; and combine the second video image with the overlay data corresponding to the second video image to output the at least one combined display image.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: November 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam-Gon Choi, Gi Geun Kim, Hong Soo Kim, Geun Jeong Park, Ho Seok Son, Dong Gyu Lee, Dong-Won Park, Cheol Woo Park, Yun Ki Baek, Bong Hyun You
  • Patent number: 9794548
    Abstract: A 3-dimensional image display device includes a signal controller, a data driver, a display panel, and glasses. The signal controller includes a reference gamma data generator to correct image data. The data driver includes a gray voltage generator to generate a gray voltage based on the corrected image data. The display panel displays left-eye and right-eye images based on a data voltage from the data driver. The lenses of the glasses are controlled by a glasses synchronization signal from the signal controller, to compensate for charging rates of the left-eye and right-eye images.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Sik Yoon, Jae Hyoung Park, Jun Pyo Lee, Seung Hwan Moon, Dong Won Park, Byung Kil Jeon
  • Publication number: 20170221443
    Abstract: A display panel driving apparatus includes a data driving part, a comparing part, a data signal controlling part, and a gate driving part. The data driving part generates a dummy data signal in response to dummy image data, outputs the dummy data signal to a dummy data line of a display panel, generates a data signal in response to image data, and outputs the data signal to a data line of the display panel. The comparing part outputs a comparison signal in response to the dummy data signal and a delayed dummy data signal generated due to a load of the dummy data line. The comparison signal indicates how much the delayed dummy data signal is delayed with respect to the dummy data signal. The data signal controlling part controls the data signal using the comparison signal.
    Type: Application
    Filed: January 9, 2017
    Publication date: August 3, 2017
    Inventors: JAI-HYUN KOH, Jaehoon Lee, Dong-Won Park, Mun-San Park, Bonghyun You, Seokha Hong
  • Publication number: 20170206850
    Abstract: A method of driving a display apparatus includes determining a duration of a blank interval between a first frame and a second frame, wherein the second frame is subsequent to the first frame, and modulating a common voltage during the blank interval when the duration is longer than a first reference time, wherein an average of the common voltage is fixed during the blank interval.
    Type: Application
    Filed: July 20, 2016
    Publication date: July 20, 2017
    Inventors: Ga-Na KIM, Dong-Won PARK, Po-Yun PARK, Jimyoung SEO, Whee-Won LEE, Bonghyun YOU, Jung Hwan CHO
  • Patent number: 9672087
    Abstract: Exemplary embodiments of present invention relate to an error detecting apparatus for a gate driver improving a reliability of a display apparatus, a display apparatus having the error detecting apparatus, and a method of detecting an error of the gate driver using the error detecting apparatus. An exemplary embodiment discloses an error detecting apparatus including an error detecting part configured to receive a gate signal of a gate driver and determine whether a status of the gate driver is in a normal status or an error status based on the gate signal, a memory configured to store the status of the gate driver, and a signal outputting part configured to selectively output a clock signal and an error signal based on the status of the gate driver stored in the memory.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: June 6, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Jae Lee, Eui-Dong Hwang, Bon-Sung Koo, Jun-Dal Kim, Seung-Hwan Moon, Dong-Won Park
  • Patent number: 9659535
    Abstract: A display device includes a timing controller configured to generate an image signal including a pre-emphasis voltage, a data driver configured to generate a plurality of data signals based on the image signal, and provide information about whether the image signal is normally received or not to the timing controller, and a display panel configured to receive the plurality of data signals and display images corresponding to the received data signals, where when the data driver fails to normally receive the image signal, the timing controller increases a level of the pre-emphasis voltage.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Dong Won Park, Cheol Woo Park, Bong Hyun You
  • Patent number: 9607581
    Abstract: Provided is a display device including: a display panel, a timing controller, a gate driver, and a data driver. The display panel includes a display area configured to display an image and a non-display area adjacent to one side of the display area. The display area includes oblique lines, intersectional lines crossing and isolated from at least a part of the oblique lines, and pixels. Pixels coupled to the oblique lines or the intersectional lines and arranged along a line in one direction are defined into pixel rows. The display area further includes a plurality of areas divided by the pixel rows being successive. The number of pixels constituting one of adjacent ones of the pixel rows in at least one of the plurality of areas is different from the number of pixels constituting another thereof.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: March 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Won Park, Joon-Chul Goh, Bonghyun You, KyoungHo Lim, Sangjin Jeon, Junki Jeong
  • Publication number: 20170084235
    Abstract: A display panel driving apparatus includes an over-driving part, where the over-driving part is configured to receive first image data, and to output second image data using first over-driving data and second over-driving data, the first over-driving data is generated according to previous frame data and present frame data for a minimum blank period between the previous frame data and the present frame data of the first image data, the second over-driving data is generated according to the previous frame data and the present frame data for a maximum blank period between the previous frame data and the present frame data of the first image data, and a high display quality of a display apparatus may be achieved.
    Type: Application
    Filed: February 11, 2016
    Publication date: March 23, 2017
    Inventors: Jang-Hyun Yeo, Po-Yun Park, Dong-Won Park, Jung-Hwan Cho
  • Publication number: 20170069256
    Abstract: A display apparatus includes a display panel comprising a plurality of data lines and a plurality of gate lines crossing the plurality of data lines, a frequency detector configured to receive an input synchronization signal with an input frequency which is varying in a preset frequency range and to count clock cycles of an input frame in the input synchronization signal, and a synchronization signal generator configured to generate an output synchronization signal which has an insertion frame corresponding to a frame of maximum frequency within the preset frequency range and inset the insertion frame in a vertical blanking period of the input frame, based on the clock count.
    Type: Application
    Filed: April 7, 2016
    Publication date: March 9, 2017
    Inventors: JI-MYOUNG SEO, DONG-WON PARK, JAE WAN PARK, PO-YUN PARK, HONG-KYU KIM, BONGHYUN YOU, JUNG-HWAN CHO
  • Patent number: 9589544
    Abstract: A method of optimizing pixel signals for a liquid crystal display includes receiving the first, second and third pixel signals for the (n?1), (n) and (n+1)th frames. The first and second pixel signals are compared to determine if the second pixel signal requires overshooting or undershooting. The second and third pixel signals are compared to determine if the second pixel signal requires to be increased for pre-titling. The second pixel signal is compensated accordingly, thereby increasing liquid crystal response time.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: March 7, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Kun Song, Dong-Won Park
  • Patent number: 9579950
    Abstract: A control method of an air conditioner system for an electric vehicle may include circulating the refrigerant by sensing actuation of the air conditioner system while driving the electric vehicle in a state where a start of the electric vehicle is turned on, circulating and cooling the cooling water through actuation of a water pump and a cooling fan in a cooling module that includes an engine radiator, the intercooler radiator, the water-cooled condenser, and the air-cooled condenser, and controlling actuation speeds of the water pump and the cooling fan based on whether the electric vehicle stops after suddenly accelerating in a state where the air conditioner system is actuated or stops in a state where the air conditioner system is turned off after travelling, and/or based on whether an air conditioner pressure and a cooling water temperature are within predetermined set values.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: February 28, 2017
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Halla Visteon Climate Control Corp.
    Inventors: Jae Yeon Kim, Dong Won Park, Jun-Young Choi, Kwang Young Shin
  • Patent number: 9581407
    Abstract: Provided is a compound bow comprising: a bow main body; upper and lower pulley assemblies; a bowstring; and first and second cam cables, wherein at least one of the first and second cam cables is coupled to the fixing projection that moves along as a cam module moves, is wound on a cam cable winding portion via a compensation projection, and then extends toward the other side pulley assembly, and a front portion of the cam module is in contact with the one cam cable and thus the one cam cable is bent when the cam module is moved, to thus release the one cam cable from the cam cable winding portion via the compensating projection from the fixing projection that the one cam cable is coupled, to thereby maintain constant tension of the cam cable and keep the power of the bow.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: February 28, 2017
    Assignee: WIN & WIN Co., Ltd.
    Inventors: Chang Ho Yi, Dong Won Park