Patents by Inventor Jae Won Jeong

Jae Won 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).

  • Publication number: 20160202123
    Abstract: A nanotransfer printing method, including the steps of coating a polymer thin film on a template substrate where a surface pattern is formed, fabricating the polymer thin film into a thin-film replica mold by using the polymer thin film and an adhesive film, forming nanostructures on the thin-film replica mold, selectively weakening an adhesive force between the adhesive film and the thin-film replica mold, and transferring the nanostructures into a target object, is provided.
    Type: Application
    Filed: October 15, 2015
    Publication date: July 14, 2016
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Yeon Sik Jung, Jae Won Jeong, Kwang Min Baek, Jong Min Kim, Tae Won Nam
  • Patent number: 9299318
    Abstract: A display device includes a first pixel connected to a first gate line and a data line, a second pixel connected to a second gate line, different from the first gate line, and the data line, the second pixel being pre-charged when the first pixel is charged, a compensation LUT which stores LUT values for compensating a charging rate during a main charging of the second pixel; and an image signal processor which generates a compensated image signal for the main charging of the second pixel. The image signal processor may include a correction value calculating unit which calculates a correction value from the compensation LUT based on first and second input image signal of respective first and second pixels, and a compensated value generating unit which generates a compensated image signal for the second pixel based on the correction value and the second input image signal.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwan-Young Oh, Youn Jin Jung, Po-Yun Park, Jae-Won Jeong
  • Patent number: 9292942
    Abstract: Provided are an image signal compensation apparatus and a liquid crystal display (LCD) including the same. The image signal compensation apparatus includes a lookup table (LUT) and an image signal compensation unit. The LUT includes reference data that corresponds to each combination of first and second reference gray levels and is arranged in a matrix. The image signal compensation unit receives first and second image signals, receives reference data corresponding to the first and second image signals from the LUT, and compensates the second image signal using the reference data. The reference data includes diagonal reference data located on a diagonal line in the matrix, and at least one diagonal reference data from among the diagonal reference data has a different value from a corresponding combination of the first and second reference gray levels.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bong-Im Park, Bong-Ju Jun, Yun-Jae Kim, Jae-Won Jeong, Yong-Jun Choi, Dong-Beom Cho, Woo-Jin Jung, Kang-Hyun Kim
  • Publication number: 20160050402
    Abstract: A display device is provided including a timing controller configured to output a test image signal, a data driver configured to output a plurality of data voltages corresponding to the test image signal; and a display panel configured to display a test image corresponding to the data voltages, wherein the timing controller includes a first processor configured to output the test image signal in response to a test signal, and a second processor configured to receive luminance information of the test image, correct a predetermined reference gamma voltage corresponding to the test image with reference to the received luminance information, and output the test signal, which corresponds to the reference gamma voltage, to the first processor.
    Type: Application
    Filed: March 31, 2015
    Publication date: February 18, 2016
    Inventors: JAE-WON JEONG, GA-NA KIM, GYEONG-UB MOON, KYUNG-UK CHOI, MYEONGSU KIM
  • Publication number: 20160049123
    Abstract: A method of driving a display panel includes compensating first pixel data corresponding to a first pixel of a plurality of pixels in the display panel based on at least one of a first decision, a second decision, or a third decision and generating a first data voltage corresponding to the compensated first pixel data. The first data voltage is applied to the first pixel through a data line. The first decision includes determining, based on a position of the first pixel, whether compensation for the first pixel data is required. The second decision includes determining, based on previous subpixel data and present subpixel data for the first pixel, whether the compensation for the first pixel data is required. The third decision includes determining whether the first pixel data complies with a compensation avoidance condition.
    Type: Application
    Filed: June 30, 2015
    Publication date: February 18, 2016
    Inventors: JAE-WON JEONG, KWAN-YOUNG OH, GA-NA KIM, GYEONG-UB MOON, PO-YUN PARK, Jl-WOONG JEONG, KYUNG-UK CHOI, SANG-HO PARK
  • Publication number: 20150370246
    Abstract: A substrate transporting apparatus includes a first light emitting sensor emitting a first sensing light in a first direction, a first light receiving sensor receiving the first sensing light, a second light emitting sensor emitting a second sensing light in a second direction different than the first direction, a second light receiving sensor receiving the second sensing light, a substrate transporting loader passing through traveling lines of the first sensing light and the second sensing light, a state information storage unit storing state information of the substrate transporting loader, and an operation information computing unit computing operation information of the substrate transporting loader based on the state information.
    Type: Application
    Filed: January 14, 2015
    Publication date: December 24, 2015
    Inventors: Nam-Su YUK, Jae-Won JEONG, Ho-Youl LEE, Ju-No PARK, Jae-Young EOM
  • Publication number: 20150371609
    Abstract: The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.
    Type: Application
    Filed: August 26, 2015
    Publication date: December 24, 2015
    Inventors: Yong-Jun CHOI, Jae-Won JEONG, Jae-Suk CHOI, Seung-Ho BAEK, Joo Seok YEOM, Young-Su HAN, Myeong-Su KIM, Yun-Jae KIM, Jin-Soo KIM, Seung Hwan MOON, Po-Yun PARK, Jae Wan PARK, Kwan-Young OH, Min Joo LEE, Jung Hwan CHO
  • Publication number: 20150360054
    Abstract: Disclosed are a method and apparatus for controlling and monitoring a position of a radiation treatment system, the method of controlling the position of the radiation treatment system, including: capturing a first image of a patient on a first axis and a second axis using a first camera and capturing a second image of the patient on the second axis and a third axis using a second camera; acquiring a third image of the patient captured using the first camera and a fourth image of the patient captured using the second camera during previous radiation treatment; and controlling a position of the patient to compensate for the calculated first position change based on the first image and the third image and the calculated second position change based on the second image and the fourth image.
    Type: Application
    Filed: July 16, 2014
    Publication date: December 17, 2015
    Inventor: Jae Won Jeong
  • Patent number: 9183809
    Abstract: A display panel apparatus includes a display panel and a timing controller, and a data driver. The display panel includes a first subpixel and a second subpixel. The timing controller is configured to receive a first subpixel data for the first subpixel and a second subpixel data for the second subpixel. When the second subpixel is determined to be defective, the timing controller generates a compensated grayscale of the second subpixel data. The data driver is configured to apply a precharge voltage to the second subpixel and a charging voltage to second subpixel through a data line, wherein the precharge voltage is based on a grayscale of the first subpixel data and the charging voltage is based on the compensated grayscale of the second subpixel data.
    Type: Grant
    Filed: January 2, 2013
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Won Jeong, Woo-Jin Jung, Kang-Hyun Kim, Po-Yun Park, Kwan-Young Oh, Jee-Hoon Jeon, Youn-Jin Jung, Young-Suk Ha
  • Patent number: 9183803
    Abstract: A display device capable of reducing power consumption and preventing luminance changes, and a driving method thereof are provided. The display device includes: a display panel displaying a still image and a motion picture; a signal controller controlling signals for driving the display panel; a graphic processing unit transmitting input image data to the signal controller; a light source unit irradiating the display panel with light; and a light source driver controlling signals for driving the light source unit, in which the signal controller includes a frame memory storing the input image data and controls the display panel so as to be driven at a first frequency or a second frequency, and the light source driver drives the light source unit at a first ratio when the display panel is driven at the first frequency and at a second ratio when the display panel is driven at the second frequency.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: November 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Won Jeong, Kwan-Young Oh, Po-Yun Park, Jung Hwan Cho
  • Publication number: 20150302812
    Abstract: A liquid crystal display device includes a liquid crystal panel which includes gate lines, data lines crossing the gate lines, and pixels connected to the gate lines and the data lines; a timing controller for receiving a control signal and image data and for generating a gate control signal and a data control signal; a gate driver for generating a gate signal based on the gate control signal and outputting the gate signal to the gate lines; and a data driver for performing data conversion on the image data based on the data control signal and outputting a conversion result to the data lines, wherein the timing controller analyzes the image data frame by frame data and applies two or more inversion driving techniques to frame data.
    Type: Application
    Filed: February 12, 2015
    Publication date: October 22, 2015
    Inventors: JAE WON JEONG, KWAN-YOUNG OH, YOUNJIN JUNG, KYUNG-UK CHOI, PO-YUN PARK, SANGYOUNG LEE
  • Patent number: 9165518
    Abstract: The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Jun Choi, Jae-Won Jeong, Jae-Suk Choi, Seung-Ho Baek, Joo Seok Yeom, Young-Su Han, Myeong-Su Kim, Yun-Jae Kim, Jin-Soo Kim, Seung Hwan Moon, Po-Yun Park, Jae Wan Park, Kwan-Young Oh, Min Joo Lee, Jung Hwan Cho
  • Patent number: 9156851
    Abstract: Provided herein is a photocurable dianhydrohexanehexol derivative, a method preparing the same, and a composition including the same, for example, to a photocurable compound derived from environmentally friendly biomass, the compound having a structure where a 2-hydroxypropyl methacrylate (HPM) functional group prepared by reacting a biomass derived dianhydrohexanehexol (1,4:3,6-dianhydro-d-hexane-1,2,3,4,5,6-hexol, DHH) compound under an optimal reaction condition is combined, a preparing method thereof, and a photocurable composition comprising the photocurable compound.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: October 13, 2015
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Jin Ku Cho, Baek Jin Kim, Sang Yong Kim, Seung Han Shin, Jae Won Jeong, Bo Ra Kim
  • Patent number: 9147367
    Abstract: A display device capable of reducing power consumption and preventing luminance changes, and a driving method thereof are provided. The display device includes: a display panel displaying a still image and a motion picture; a signal controller controlling signals for driving the display panel; a graphic processing unit transmitting input image data to the signal controller; a light source unit irradiating the display panel with light; and a light source driver controlling signals for driving the light source unit, in which the signal controller includes a frame memory storing the input image data and controls the display panel so as to be driven at a first frequency or a second frequency, and the light source driver drives the light source unit at a first ratio when the display panel is driven at the first frequency and at a second ratio when the display panel is driven at the second frequency.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: September 29, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Won Jeong, Kwan-Young Oh, Po-Yun Park, Jung Hwan Cho
  • Patent number: 9135874
    Abstract: The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: September 15, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Jun Choi, Jae-Won Jeong, Jae-Suk Choi, Seung-Ho Baek, Joo Seok Yeom, Young-Su Han, Myeong-Su Kim, Yun-Jae Kim, Jin-Soo Kim, Seung Hwan Moon, Po-Yun Park, Jae Wan Park, Kwan-Young Oh, Min Joo Lee, Jung Hwan Cho
  • Patent number: 9105252
    Abstract: The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Jun Choi, Jae-Won Jeong, Jae-Suk Choi, Seung-Ho Baek, Joo Seok Yeom, Young-Su Han, Myeong-Su Kim, Yun-Jae Kim, Jin-Soo Kim, Seung Hwan Moon, Po-Yun Park, Jae Wan Park, Kwan-Young Oh, Min Joo Lee, Jung Hwan Cho
  • Publication number: 20150170603
    Abstract: A display device including a display panel, including a plurality of pixels, a driver circuit configured to display an image on the display panel in response to an image signal and a control signal, and a voltage generator configured to generate an analog driving voltage for an operation of the driver circuit in response to a voltage control signal. The driver circuit is configured to compare the image signal to ripple image patterns and is configured to output the voltage control signal to change a voltage level of the analog driving voltage, according to the result of the comparison.
    Type: Application
    Filed: June 19, 2014
    Publication date: June 18, 2015
    Inventors: Hyun Seok HONG, Yeon-Sun Na, Dongin Kim, Kwan-Young Oh, Changgil Oh, Bum Lee, Jae-Won Jeong
  • Publication number: 20150116298
    Abstract: An exemplary embodiment of the present invention discloses a voltage generation circuit of a display apparatus, including at least one resistor, a memory configured to store a resistance value set signal, a controller changing a resistance value of the resistor referring to the resistance value set stored in the memory, and a voltage generator connected to one end of the resistor and is configured to receive an input current corresponding to the resistance value of the resistor and generate a gate-on voltage corresponding to the input current.
    Type: Application
    Filed: June 5, 2014
    Publication date: April 30, 2015
    Inventors: Jae-Won JEONG, Hyun Seok HONG, Young-Su KIM, Jinhyun KO, Hyelim KIM, Kyung-Uk CHOI, Sangyoung LEE
  • Patent number: 8988335
    Abstract: A display device includes a display panel including a plurality of pixels, a data driver which transmits data voltages to the plurality of pixels, and a signal controller which receives an input image signal and an input control signal to control the data driver, where the signal controller calculates a ratio of a first type of pattern in a image based on the input image signal, generates a polarity signal based on the ratio of the first type of pattern, and transmits the polarity signal to the data driver.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: March 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Jin Jung, Jae-Won Jeong, Kwan-Young Oh, Po-Yun Park, Jung Hwan Cho
  • Patent number: 8978412
    Abstract: Provided is a refrigerant cycle of an air conditioner for vehicles, and more particularly, a refrigerant cycle of an air conditioner for vehicles having a first evaporating unit and a second evaporating unit disposed upstream and downstream in a direction in which air blown from a single blower flows to control an amount of the refrigerant supplied to each evaporating unit, thereby making it possible to obtain optimal radiating performance (cooling performance) and cooling efficiency (COP) through the design of the optimal refrigerant flow ratio depending on the cooling load.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: March 17, 2015
    Assignee: Halla Visteon Climate Control Corporation
    Inventors: Yong Nam Ahn, Tae Young Park, Yong Jun Jee, Jae Won Jeong, Eun Gi Min, Hae Jun Lee