Patents by Inventor Joo-Hyung Lee

Joo-Hyung Lee 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: 20130033517
    Abstract: A display apparatus, which adjusts a luminance value of an image, and a method for driving the same are disclosed. The display apparatus includes a first image conversion unit that converts first image data into a plurality of second image data each including a luminance value, a luminance analysis unit that determines quantities of luminance values of the second image data, and determines a distribution of the luminance values, and a luminance adjustment unit that adjusts the respective luminance values of the second image data based on the quantities.
    Type: Application
    Filed: December 7, 2011
    Publication date: February 7, 2013
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Yong-Seok Choi, Byung-Ki Chun, Jong-Woong Park, Joo-Hyung Lee
  • Publication number: 20120313866
    Abstract: A touch screen panel is disclosed. The touch screen panel includes a pixel unit, a touch sensing unit, and a data driver configured to provide data voltages to the pixel unit and to provide driving signals to the touch sensing unit.
    Type: Application
    Filed: April 24, 2012
    Publication date: December 13, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sang-Kwon Ha, Joo-Hyung Lee, Sang-Jin Pak, Ji-Gong Lee, Hee-Chul Hwang
  • Patent number: 8323537
    Abstract: Provided is a method of manufacturing an all-in-one type light guide plate. The method includes: fabricating a master including a plurality of inverse-prism shape structures; forming an elastic mold by applying an elastomer on the master; and fabricating the all-in-one type light guide plate, on which a plurality of inverse-prism shape structures are integrally formed, by applying a light transmissive material on the elastic mold.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: December 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-seok Lee, Hwan-Young Choi, Jun-bo Yoon, Joo-hyung Lee
  • Patent number: 8305340
    Abstract: The present invention relates to a touch sensitive display device, the display device including a display panel unit, a sensing unit formed on the display panel unit, receiving a sensor control signal, and generating a sensor data signal based on a touch exerted on the display panel unit, an output unit generating a sensing signal based on the sensor data signal from the sensing unit, and a compensation unit adjusting the sensor control signal such that the sensing signal is bounded in a predetermined range.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: November 6, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Woung Park, Joo-Hyung Lee, Kee-Han Uh, Young-Jun Choi, Man-Seung Cho
  • Patent number: 8300026
    Abstract: A display device according to an embodiment of the present invention includes: a display panel; a plurality of pixels disposed on the display panel; a plurality of sensor data lines disposed on the display panel and disposed between two adjacent pixels; and a plurality of sensing units disposed on the display panel and disposed between two adjacent pixels.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: October 30, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Hyung Lee, Hyung-Guel Kim, Kee-Han Uh, Sang-Jin Pak
  • Patent number: 8257192
    Abstract: Disclosed herein is a combination putter and chipper golf club. The golf club is constructed such that opposite side surfaces of the club head can be used, respectively, as a putter and a chipper, and the club head is easily switched between a putter and a chipper when the golf club is used, and the club head is prevented from shaking when putting or chipping. The golf club has a shaft and a head. A putter face and a chipper face are provided, respectively, on opposite side surfaces of the head. A coupling frame is provided between the shaft and the head.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: September 4, 2012
    Inventor: Joo-Hyung Lee
  • Patent number: 8248357
    Abstract: A pixel driving circuit includes a first driver and a second driver. The first gate driver includes a plurality of stage units connected to odd-numbered gate lines. The second gate driver includes a plurality of stage units connected to even-numbered gate lines. Each of the stage units of the first and second gate drivers includes an input unit, a first signal output unit, and a second signal output unit. The input unit outputs a driving control signal according to a previous stage driving signal output from the previous stage unit and a next stage driving signal output from the next stage unit. The first signal output unit outputs a stage driving signal according to the driving control signal and a driving clock signal. The second signal output unit outputs a gate voltage signal to the corresponding gate line according to the driving control signal and a gate clock signal.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: August 21, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jin Park, Young-Ok Cha, Joo-Hyung Lee
  • Publication number: 20120206383
    Abstract: A touch screen panel includes a display unit including a timing controller for receiving a vertical synchronizing signal and a horizontal synchronizing signal to display an image, a touch sensing unit including driving electrodes, a control signal generator for generating a control signal from the vertical synchronizing signal and the horizontal synchronizing signal, and a touch controller for supplying a driving signal to the touch sensing unit in response to the control signal from the control signal generator.
    Type: Application
    Filed: October 28, 2011
    Publication date: August 16, 2012
    Inventors: Sang-Kwon HA, Joo-Hyung Lee, Jin-Woo Park, Sang-Jin Pak, Ji-Gong Lee, Hideo Yoshimura
  • Patent number: 8228310
    Abstract: A display device includes a display panel, a plurality of pixels formed on the display panel, a plurality of sensing units formed on the display panel and generating sensor output signals in response to a touch exerted on the display panel, a sensing signal processor receiving and processing an analog sensor data signal originated from the sensor output signals to generate a digital sensor data signal, a first touch-determination unit detecting whether a touch exists based on the digital sensor data signal for a plurality of frames, and operating in a power saving mode, and a second touch-determination unit detecting whether and where a touch exists based on the digital sensor data signal for the plurality of frames, and operating in a normal mode. The display device includes hardwired logic units for detecting the touch, it detects the touch using the hardwired logic units in the power saving mode and converts the operation mode to the normal mode when the touch is detected, thus reducing power consumption.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: July 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Hyung Lee, Kee-Han Uh, Jong-Woung Park
  • Patent number: 8212752
    Abstract: A method of economically manufacturing display devices having a matrix of drivable pixels arranged in rows and columns arranged to be driven by IC drivers, including the steps of including a plurality of sensor signal lines in the display device that are selectively connectable to certain of the pixel rows, a plurality of sensor signal lines selectively connectable to certain of the pixel columns, transmitting test signals to test predetermined ones of the rows and columns of pixels, and connecting pixel driving circuits to those display devices exhibiting uniform pixel brightness in response to the test signals.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: July 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myung-Woo Lee, Joo-Hyung Lee, Sang-Jin Pak, Kee-Han Uh
  • 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: 20120156882
    Abstract: A method for fabricating a large-area nanoscale pattern includes: forming multilayer main thin films isolated by passivation layers; patterning a first main thin film to form a first main pattern; forming a first spacer pattern with respect to the first main pattern; and forming a second main pattern by transferring the first spacer pattern onto a second main thin film. By using multilayer main thin films isolated by different passivation films, spacer lithography capable of reducing a pattern pitch can be repetitively performed, and the pattern pitch is repetitively reduced without shape distortion after formation of micrometer-scale patterns, thereby forming nanometer-scale fine patterns uniformly over a wide area.
    Type: Application
    Filed: September 23, 2011
    Publication date: June 21, 2012
    Applicant: LG Innotek Co., Ltd.
    Inventors: YOUNG-JAE LEE, KYOUNG JONG YOO, JIN SU KIM, JUN LEE, YONG IN LEE, JUNBO YOON, JEONGHO YEON, JOO-HYUNG LEE, JEONG OEN LEE
  • 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: 8188979
    Abstract: A display device includes: a plurality of sensing data lines; a plurality of sensing units that output sensing signals through the plurality of sensing data lines; a signal selector that selects one sensing signal among the plurality of sensing signals; an automatic voltage adjusting unit that, when one sensing signal is selected by the signal selector, performs a controlling operation so as to allow a magnitude of the selected sensing signal to be in a predetermined range; and a voltage generator that adjusts the magnitude of the voltage applied to the sensing data lines based on a control signal output from the automatic voltage adjusting unit. According to the voltage adjusting operation, the sensing signal output through the sensing data line is always in an appropriate range. As a result, the touch determining operation on the sensing units can be accurately performed, so that it is possible to improve reliability of the sensing units.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: May 29, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Man-Seung Cho, Hyung-Guel Kim, Kee-Han Uh, Joo-Hyung Lee, Jong-Woung Park, Myung-Woo Lee, Young-Ok Cha
  • Publication number: 20120113339
    Abstract: An LCD with an integrated touch screen panel includes a first substrate having a plurality of pixels formed thereon, wherein each pixel of the plurality of pixels is provided with a thin film transistor and a pixel electrode. A second substrate facing the first substrate, having a plurality of common electrodes formed inside thereof. The plurality of common electrodes is arranged in a first direction to correspond to the plurality of pixels. A plurality of sensing electrodes is outside of the second substrate and arranged in a second direction intersecting the first direction. A liquid crystal layer is between the first and the second substrates. A common electrode driver sequentially supplies a driving signal to the common electrodes and supplies a compensation signal having a phase opposite to the driving signal to the common electrodes.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 10, 2012
    Inventors: Jin-Woo Park, Hideo Yoshimura, Joo-Hyung Lee, Sang-Jin Pak, Cheol-Min Kim
  • Publication number: 20120105752
    Abstract: A liquid crystal display (LCD) with an integrated touch screen panel includes a plurality of pixels connected to a plurality of data lines and a plurality of gate lines, the gate lines being divided into a plurality of groups, a plurality of sensing electrodes, a plurality of common electrodes divided into a plurality of groups, a common electrode driver configured to simultaneously supply a driving signal to common electrodes within each group of the plurality of groups of the common electrodes, and to sequentially supply the driving signal to the plurality of groups of the common electrodes, and a gate driver configured to sequentially supply a gate signal to gate lines within each of the plurality of group of the gate lines.
    Type: Application
    Filed: September 21, 2011
    Publication date: May 3, 2012
    Inventors: Jin-Woo Park, Sang-Jin Pak, Jin-Hee Lee, Sang-Kwon Ha, Ji-Gong Lee, Hideo Yoshimura, Cheol-Min Kim, Joo-Hyung Lee
  • Publication number: 20120105381
    Abstract: A liquid crystal display with an integrated touch screen panel is disclosed. According to some aspects, conductive patterns or conducting patterns provided to the LCD are used as driving electrodes of the touch screen panel. A driving electrode of the touch screen panel may be formed on one surface of a polarizing plate or window attached to the LCD so as to be positioned close to a contact point, thereby improving touch sensitivity.
    Type: Application
    Filed: May 25, 2011
    Publication date: May 3, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Seung-Kyu Lee, Jin-Woo Park, Dong-Hoon Lee, Chul-Ho Kim, Chi-Woo Kim, Joo-Hyung Lee, Soo-Guy Rho, Sang-Jin Pak
  • Publication number: 20120098848
    Abstract: An image processing device, an image processing method, and a flat panel display are disclosed. According to some aspects, the image processing device may include: an image determining unit for determining a kind of an input image as one of a moving picture, a photograph image, and a user interface image. A legibility improving unit may be configured to generate a legibility improved image by extracting specific pixels from pixels included in the input image according to the kind of the input image that is determined by the image determining unit and by modifying gray scale values of the extracted specific pixels. According to some aspects, an illuminance sensor for sensing external illuminance, and a brightness improving unit for correcting a gamma curve according to the external illuminance sensed by the illuminance sensor is provided.
    Type: Application
    Filed: February 17, 2011
    Publication date: April 26, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Yong-Seok Choi, Geun-Young Jeong, Byung-Ki Chun, Jong-Woong Park, Joo-Hyung Lee
  • Publication number: 20120098849
    Abstract: A viewing angle controllable display device and a driving method thereof. The viewing angle controllable display device includes: an image mixing unit generating a mixed image data signal by mixing an original image data signal, or a gray-adjusted original image data signal, with a protection image data signal that disturbs recognition of the original image; an output image selecting unit receiving the original image data signal or the mixed image data signal, and selecting an image data signal corresponding to an image output to a display panel; and a display panel receiving a data voltage corresponding to the image data signal selected and output from the output image selecting unit through a data drive to display an original image or a mixed image, responding to gate signals sequentially transmitted from a gate driver.
    Type: Application
    Filed: August 19, 2011
    Publication date: April 26, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Yong-Seok Choi, Jong-Woong Park, Joo-Hyung Lee, Geun-Young Jeong, Dong-Won Lee
  • Publication number: 20120086932
    Abstract: Disclosed is a high resolution time-of-flight distance measurement device based on a femtosecond laser, including a femtosecond laser light source, a polarization beam splitter, a balanced optical cross-correlator in which second harmonic pulses are generated using reference light and measurement light, wherein the second harmonic pulse that was primarily generated is incident on a first photodetector and the second harmonic pulse that was secondarily generated is incident on a second photodetector, so that a difference in intensity of the second harmonic pulses is output, thus resolving the time interval of the pulse laser, a controller for controlling the repetition rate of the femtosecond laser, and a converter for measuring the repetition rate of the femtosecond laser controlled so that the pulses uniformly overlap by means of the controller, using a frequency counter traceable to a time/frequency standard, so that a measured value is converted into distance information.
    Type: Application
    Filed: October 5, 2011
    Publication date: April 12, 2012
    Inventors: Seung Woo KIM, Joo Hyung Lee, Young Jin Kim