Patents by Inventor Sang-moo Park

Sang-moo 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).

  • Patent number: 9357207
    Abstract: Methods and apparatuses are provided for compensating for a temperature of a liquid crystal display (LCD) panel. The method includes selecting a lookup table corresponding to a detected temperature of the LCD panel from among lookup tables for a 3-dimensional (3D) display of the LCD panel; and adjusting luminance to be output to the LCD panel based on the selected lookup table.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: May 31, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-moo Park, Ho-seop Lee, Jong-hoon Jung, Dae-sik Kim
  • Patent number: 9117846
    Abstract: A method of manufacturing an oxide thin film transistor includes forming a gate electrode on a substrate; forming a gate insulating film the gate electrode; forming an oxide semiconductor layer on the gate insulating film; sequentially forming a lower data metal layer and an upper data metal layer on including the oxide semiconductor layer; forming an upper source pattern and an upper drain pattern by patterning the upper data metal layer by a wet etching; forming a lower source pattern and a lower drain pattern by patterning the lower data metal layer by a dry etching using the upper source pattern and the upper drain pattern as a mask to form a source electrode and a drain electrode; forming a first passivation film on the source and drain electrodes; performing a heat treatment on the oxide semiconductor layer; and forming a second passivation film on the first passivation film.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: August 25, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sang-Moo Park, Bong-Chul Kim, Chan-Ki Ha, Jin-Woo Kwon, Heung-Jo Lee
  • Patent number: 8947342
    Abstract: A method and apparatus for controlling a backlight unit of a three-dimensional (3D) display apparatus receiving a 3D video sequence is provided. The method includes determining the image brightness level of the 3D video sequence displayed on a liquid crystal display (LCD) unit, for each of a plurality of partial regions of the LCD unit to which a plurality of sub-blocks of the backlight unit emit light; determining turn-on times of the plurality of sub-blocks of the backlight unit, based on the image brightness of each of the partial regions of the LCD unit; and determining turn-on periods of the plurality of sub-blocks of the backlight unit by synchronizing with a switching period between a set including a left visual point frame and a right visual point frame of the 3D video sequence.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-moo Park, Jong-hoon Jung, Dae-sik Kim
  • Patent number: 8908009
    Abstract: Provided is a method and apparatus for displaying a 3-dimensional (3D) image. The method includes alternately displaying left and right eye images on a display having a plurality of image lines that are arranged sequentially. Since light emission of all of segments is stopped when the left and right eye images are partially simultaneously displayed, both the left and right eye images can be prevented from being seen at the same time.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: December 9, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Dae-sik Kim, Kyung-hoon Cha, Sang-moo Park
  • Patent number: 8879012
    Abstract: An array substrate for a liquid crystal display device and a fabrication method thereof, and a liquid crystal display device having the same are disclosed. The array substrate for a liquid crystal display device and a fabrication method thereof, and a liquid crystal display device having the same according to the present disclosure eliminate optical loss by use of a shielding film that can decrease the optic leakage current to minimize the optic leakage loss, thus it is possible to improve the picture quality.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: November 4, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Kyo Ho Moon, Chul Gu Lee, Seong Woo Jeong, Jeong Yeon Kim, Ji Suk Kim, Hoon Choi, Sang Moo Park, Sang Kug Han
  • Patent number: 8877533
    Abstract: A method of manufacturing oxide thin film transistor and display device are provided. In the method of manufacturing an oxide thin film transistor, the method includes: forming an active layer of an oxide semiconductor on a substrate, and performing surface treatment with plasma for the active layer to permeate oxygen into the active layer.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: November 4, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Kyechul Choi, Bong Chul Kim, Chan Ki Ha, Sang Moo Park
  • Patent number: 8848041
    Abstract: Provided are methods and apparatuses for displaying a stereoscopic image. The method includes alternately generating repeated left-eye images and repeated right-eye images; turning off a backlight unit during a period in which a left-eye image and a right-eye image are mixed and turning on the backlight unit during a period in which only one of the left-eye and right-eye images is displayed; and controlling a left-eye shutter and a right-eye shutter of shutter glasses during a period in which the backlight unit is turned on.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-moo Park, Ho-seop Lee, Jong-hoon Jeong, Sergey Shestak, Dae-sik Kim
  • Patent number: 8842066
    Abstract: A method for driving a three dimensional (3D) display and a 3D display apparatus using the same are provided. The 3D display apparatus includes a storage unit which stores a received image; and a controller which compares a previous frame of the received image with a current frame of the received image, and determines whether or not to input an image of the current frame to a liquid crystal panel based on whether the previous frame is identical to the current frame. Therefore, a method for driving a 3D display which does not cause characteristics of a liquid crystal to be deteriorated and a 3D display apparatus using the same are provided.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: September 23, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-suk Seo, Jong-hoon Jung, Sang-moo Park
  • Patent number: 8816996
    Abstract: Provide is a method of driving a barrier panel device. Segment driving voltages are controlled to be applied to a plurality of segments of a first electrode of a barrier panel based on a display direction of an image signal displayed on an image display panel of an apparatus for reproducing a 3D image. An odd barrier driving voltage is controlled to be commonly applied to odd numbered barriers of a plurality of barriers of a second electrode of the barrier panel. An even barrier driving voltage is controlled to be commonly applied to even numbered barriers of the plurality of barriers. The segment driving voltage, the odd barrier driving voltages, and the even barrier driving voltages are synchronized.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: August 26, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-moo Park, Serguei Chestak, Dae-sik Kim, Kyung-hoon Cha, Seon-deok Hwang
  • Publication number: 20140192172
    Abstract: A 3D display apparatus is provided, which includes a display panel which displays a multi-viewpoint image, a barrier arranged on one side of the display panel unit, and a controller which controls the barrier to alternately form light transmitting areas and light blocking areas. The barrier includes a liquid crystal layer, a plurality of upper electrodes arranged to be spaced apart from one another on an upper surface of the liquid crystal layer, and a plurality of lower electrodes arranged to be spaced apart from one another on a lower surface of the liquid crystal layer.
    Type: Application
    Filed: September 30, 2011
    Publication date: July 10, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Hyung Kang, Dong-Choon Hwang, Sang-Moo Park, Jung-Hoon Yoon, Soo-Bae Moon
  • Patent number: 8754932
    Abstract: An image display method includes alternately receiving left and right images of a 3D image; and turning on a backlight such that the backlight is on only in periods when the left images are displayed or only in periods when the right images are displayed. A method of controlling shutter glasses separately for left and right images of a three-dimensional (3D) image includes alternately receiving the left and right images of the 3D image; and opening two shutters of the shutter glasses only in periods when the left images are received or only in periods when the right images are received.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: June 17, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-hoon Jung, Sang-moo Park, Dae-sik Kim, Dong-choon Hwang
  • Publication number: 20140147967
    Abstract: A method of manufacturing an oxide thin film transistor includes forming a gate electrode on a substrate; forming a gate insulating film the gate electrode; forming an oxide semiconductor layer on the gate insulating film; sequentially forming a lower data metal layer and an upper data metal layer on including the oxide semiconductor layer; forming an upper source pattern and an upper drain pattern by patterning the upper data metal layer by a wet etching; forming a lower source pattern and a lower drain pattern by patterning the lower data metal layer by a dry etching using the upper source pattern and the upper drain pattern as a mask to form a source electrode and a drain electrode; forming a first passivation film on the source and drain electrodes; performing a heat treatment on the oxide semiconductor layer; and forming a second passivation film on the first passivation film.
    Type: Application
    Filed: October 16, 2013
    Publication date: May 29, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sang-Moo Park, Bong-Chul Kim, Chan-Ki Ha, Jin-Woo Kwon, Heung-Jo Lee
  • Publication number: 20140049541
    Abstract: Provided are a method and apparatus for displaying a two-dimensional (2D)/three-dimensional (3D) image, and apparatus to execute the same, the method including determining whether an input image sequence having a first frame rate is a 2D image sequence or a 3D image sequence, wherein, if the input image sequence is a 2D image sequence, generating a 2D output image sequence having a second frame rate, the 2D output image sequence including the input image sequence and a 2D intermediate image generated from the input image sequence, and wherein, if the input image sequence is a 3D image sequence, generating a 3D output image sequence having a third frame rate, where a left-viewpoint intermediate image, a right-viewpoint intermediate image and the input image sequence are repeatedly included in the 3D output image sequence, the left-viewpoint intermediate image is determined from at least one left-viewpoint image in a left-viewpoint image sequence included in the input image sequence, and the right-viewpoint int
    Type: Application
    Filed: October 24, 2013
    Publication date: February 20, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-moo PARK, Yong-tae KIM, Seon-deok HWANG, Dae-sik KIM
  • Publication number: 20130286168
    Abstract: A 3D display device includes: a data processor configured to generate at least one frame by combining a left-eye image and a right-eye image; a panel including pixels, each of the pixels including three sub pixels; a barrier configured to form a light blocking region and a light transmitting region on the panel on a basis of two sub pixel units; and a controller configured to control the data processor to generate the at least one frame by placing the left-eye image and the right-eye image alternately on the basis of two sub pixels, and to control the panel to display at least one frame generated by the data processor.
    Type: Application
    Filed: January 4, 2012
    Publication date: October 31, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-moo Park, Ki-hyung Kang, Jung-hoon Yoon, Dong-choon Hwang
  • Patent number: 8570362
    Abstract: Provided are a method and apparatus for displaying a two-dimensional (2D)/three-dimensional (3D) image, and apparatus to execute the same, the method including determining whether an input image sequence having a first frame rate is a 2D image sequence or a 3D image sequence, wherein, if the input image sequence is a 2D image sequence, generating a 2D output image sequence having a second frame rate, the 2D output image sequence including the input image sequence and a 2D intermediate image generated from the input image sequence, and wherein, if the input image sequence is a 3D image sequence, generating a 3D output image sequence having a third frame rate, where a left-viewpoint intermediate image, a right-viewpoint intermediate image and the input image sequence are repeatedly included in the 3D output image sequence, the left-viewpoint intermediate image is determined from at least one left-viewpoint image in a left-viewpoint image sequence included in the input image sequence, and the right-viewpoint int
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: October 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-moo Park, Yong-tae Kim, Seon-deok Hwang, Dae-sik Kim
  • Patent number: 8553029
    Abstract: A method of determining a two-dimensional (2D) or three-dimensional (3D) display mode is provided. An image sequence is received. Whether a current image included in the image sequence is a 2D or 3D image is determined. Based on a result of the determination, a 2D or 3D display mode for the image sequence is determined.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: October 8, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-tae Kim, Sang-moo Park, Dae-sik Kim
  • Patent number: 8553074
    Abstract: Provided is an auto stereoscopic display improving brightness, including: a left eye pixel including a plurality of first color sub pixels and a first white sub pixel; a right eye pixel including a plurality of second color sub pixels and a second white sub pixel; and a viewing field separating unit which separates a viewing field of a left image formed by the left eye pixel and a viewing field of a right image formed by the right eye pixel.
    Type: Grant
    Filed: February 6, 2008
    Date of Patent: October 8, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-hoon Cha, Dae-sik Kim, Sergey Shestak, Seon-deok Hwang, Jae-seung Kim, Sang-moo Park, Jae-phil Koo
  • Patent number: 8441521
    Abstract: Provided is a method and apparatus for determining stereo views of a stereoscopic image. The method includes: selecting a pair of first and second images from a pair of frames of the stereoscopic image, the pair of frames including a base view image and an additional view image. The method further includes determining which of the first image and the second image is the base view image and which of the first image and the second image is the additional view image based on a parallax between the pair of first and second images.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: May 14, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-tae Kim, Sang-moo Park, Dae-sik Kim, Jae-seung Kim, Jae-phil Koo
  • Publication number: 20130063431
    Abstract: A three dimensional (3D) image display apparatus is provided, which includes a display which outputs a 3D image, a barrier which opens a first area to pass a light in a first direction of a 3D image pixel constituting the 3D image, and which closes a second area to block a light in a second direction of the 3D image pixel, and a controller which controls an operation of the barrier so that the first area becomes narrower than the second area.
    Type: Application
    Filed: September 10, 2012
    Publication date: March 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang-moo PARK
  • Patent number: 8199138
    Abstract: Provided are an apparatus and method for driving a 2-dimensional (2D)/3-dimensional (3D) switchable display for improving the quality of image. The apparatus for driving a 2D/3D switchable display includes: an image mode determination unit determining whether input image signals of continuous frames are in a 2D mode or 3D mode; and an over-driving control unit over-driving the input image signal of a current differently according to the determined image mode. According to the apparatus and method, the response time in each of the 2D mode and the 3D mode can be increased, while motion blur and cross-talk effects can be decreased, thereby improving the quality of image.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: June 12, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-phil Koo, Dae-sik Kim, Jae-seung Kim, Sang-moo Park, Sergey Chestak