Patents by Inventor Yun-Jae Park

Yun-Jae 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: 11937476
    Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Sung An, Sung Ho Kim, Yong Jae Kim, Yun Hwan Park, Yoon Jee Shin, Sug Woo Jung, Hyun Wook Choi
  • Patent number: 9548033
    Abstract: The present invention relates to a liquid crystal display includes a liquid crystal display panel including a plurality of gate lines, a plurality of data lines, and a plurality of pixels, a gate driver connected to the plurality of gate lines and configured to apply a gate-on voltage, a data driver connected to the plurality of data lines and configured to apply a data voltage, and a signal controller configured to receive an image signal and controlling the gate driver and the data driver, wherein the signal controller is configured to generate two correction data for each image signal referring to two compensation lookup tables, and the two compensation lookup tables are provided to make absolute values of pixel voltages for each polarity substantially identical to each other with respect to the same gray scale value.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: January 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hun-Tae Kim, Yun Jae Park
  • Patent number: 9291868
    Abstract: A liquid crystal display includes a plurality of pixels arranged in a matrix, each pixel having a first sub-pixel electrode and a second sub-pixel electrode. A first thin film transistor is connected to the first sub-pixel electrode. A second thin film transistor is connected to the second sub-pixel electrode. A third thin film transistor is connected to the second sub-pixel electrode. A fourth thin film transistor is connected to a drain electrode of the third thin film transistor. A first gate line is connected to the first thin film transistor and the second thin film transistor. A data line is connected to the first thin film transistor and the second thin film transistor. A second gate line is connected to the third thin film transistor. A third gate line is connected to the fourth thin film transistor.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Soo Lee, Kee-Bum Park, Yun Jae Park, Jong Jae Lee, Hoi Sik Moon
  • Publication number: 20150116373
    Abstract: The present invention relates to a liquid crystal display includes a liquid crystal display panel including a plurality of gate lines, a plurality of data lines, and a plurality of pixels, a gate driver connected to the plurality of gate lines and configured to apply a gate-on voltage, a data driver connected to the plurality of data lines and configured to apply a data voltage, and a signal controller configured to receive an image signal and controlling the gate driver and the data driver, wherein the signal controller is configured to generate two correction data for each image signal referring to two compensation lookup tables, and the two compensation lookup tables are provided to make absolute values of pixel voltages for each polarity substantially identical to each other with respect to the same gray scale value.
    Type: Application
    Filed: April 8, 2014
    Publication date: April 30, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hun-Tae KIM, Yun Jae Park
  • Patent number: 8866726
    Abstract: A backlight assembly includes a light source unit, at least one block driving unit, a controller unit and a noise removing circuit. The light source unit includes a plurality of dimming blocks generating light. The block driving unit drives the dimming blocks. The controller unit controls the block driving unit. The noise removing circuit is connected to the block driving unit and the controller unit to prevent noise from being applied to a reset terminal of the block driving unit.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: October 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Uk Choi, Sang-Gil Lee, Yun-Jae Park, Seung-Hwan Moon
  • Patent number: 8797366
    Abstract: A method of driving a light source including a light-emitting block includes generating a luminance representative value based on an average grayscale value and a maximum grayscale value extracted from an image signal corresponding to the light-emitting block. The method further includes detecting a predetermined pattern of the light-emitting block, generating a compensation control signal based on the predetermined pattern, generating a compensated luminance representative value by compensating the luminance representative value based on the compensation control signal, and driving the light-emitting block based on the luminance level of the light-emitting block corresponding to the compensated luminance representative value.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Weon-Jun Choe, Sang-Su Han, Byung-Hyuk Shin, Yun-Jae Park
  • Patent number: 8674927
    Abstract: Provided are a liquid crystal display (Lcd) and a method of driving the same. The LCD includes a timing controller which receives a first image signal corresponding to a first frame frequency and outputs a second image signal corresponding to a second frame frequency; a liquid crystal panel which receives the second image signal and displays an image using the second frame frequency; and a plurality of light-emitting blocks which provide light to the liquid crystal panel, wherein the light-emitting blocks are divided into a plurality of light-emitting groups, each group including at least one of the light-emitting blocks, and, in a first operation mode, a frame, which corresponds to the second frame frequency, includes an off section in which at least one of the light-emitting groups is turned off.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: March 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Jae Park, Hyun-Seok Ko, Mun-Soo Park, Seung-Hwan Moon, Kyung-Uk Choi
  • Patent number: 8638339
    Abstract: A method is for correcting pixel data provided to a display apparatus. The display apparatus includes a display panel having a plurality of pixels and a light source module having a plurality of light-emitting blocks. The method includes determining a pixel luminance that is a luminance of light provided to one of the pixels; and generating correction data to correct the pixel data, the correction data being generated based on the pixel luminance and a maximum emission luminance that is a maximum luminance of the light emitted from one of the light-emitting blocks.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: January 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Weon-Jun Choe, Yun-Jae Park, Dae-Gwang Jang, Kyoung-Phil Kim, Sang-Su Han
  • Patent number: 8243106
    Abstract: A display device includes; a signal control unit which receives a plurality of image signals and determines a plurality of representative image signals from the image signals, a plurality of lookup tables, each of which is configured to store a plurality of light data signals corresponding to the plurality of representative image signals, a plurality of light-emitting blocks configured to provide light according to the respective light data signals, and a display panel configured to display an image corresponding to the plurality of image signals, wherein the signal control unit determines an average luminance value of the plurality of image signals, selects one of the plurality of lookup tables according to the determined average luminance value, reads the light data signals from the selected lookup table and provides the light data signals to at least one of the plurality of light emitting blocks.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: August 14, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Jae Park, Kyung-Uk Choi, Hyun-Seok Ko
  • Publication number: 20120200818
    Abstract: A liquid crystal display includes a plurality of pixels arranged in a matrix, each pixel having a first sub-pixel electrode and a second sub-pixel electrode. A first thin film transistor is connected to the first sub-pixel electrode. A second thin film transistor is connected to the second sub-pixel electrode. A third thin film transistor is connected to the second sub-pixel electrode. A fourth thin film transistor is connected to a drain electrode of the third thin film transistor. A first gate line is connected to the first thin film transistor and the second thin film transistor. A data line is connected to the first thin film transistor and the second thin film transistor. A second gate line is connected to the third thin film transistor. A third gate line is connected to the fourth thin film transistor.
    Type: Application
    Filed: September 23, 2011
    Publication date: August 9, 2012
    Inventors: CHANG-SOO LEE, Kee-Bum PARK, Yun Jae PARK, Jong Jae LEE, Hoi Sik MOON
  • Patent number: 8228286
    Abstract: Disclosed are a display device and a method of driving the same capable of improving display quality and reducing the manufacturing cost. A display device includes a display panel displaying images corresponding to image signals, a light-emission block supplying backlight to the display panel, and a backlight driver outputting a light data signal for determining luminance of backlight. One of a plurality of linear gamma curves is selected from a lookup table in accordance with average image luminance during prescribed frames, and the duty ratio of the light data signal is determined on the basis of the selected linear gamma curve. Each of the linear gamma curves represents the relationship between the average image luminance and the duty ratio of the light data signal.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: July 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Uk Choi, Sang-Gil Lee, Yun-Jae Park
  • Patent number: 8115415
    Abstract: A backlight unit includes a plurality of light source units arranged in a matrix form, a light source controller outputting a dimming signal to control a brightness of the light source units and a latch signal to control a light source unit row of the plurality of light source units to be sequentially driven according to a predetermined scanning period, and a plurality of light source driving units connected to light source unit columns of the plurality of light source units and supplying driving signals corresponding to the dimming signal to the light source units in the light source unit columns.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: February 14, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-hwan Moon, Ki-chan Lee, Kyung-uk Choi, Sang-gil Lee, Yun-jae Park, Hyun-suk Ko
  • Patent number: 7839478
    Abstract: A temperature sensor for a display device is provided, which includes a substrate for the display devices, and a temperature sensing line formed on the substrate. The temperature sensing line is a conductor.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: November 23, 2010
    Assignee: Samung Electronics Co., Ltd.
    Inventors: Ki-Chan Lee, Yun Jae Park
  • Publication number: 20100265262
    Abstract: A method, according to an embodiment, is provided for correcting pixel data provided to a display apparatus. The display apparatus, according to an embodiment, includes a display panel having a plurality of pixels and a light source module having a plurality of light-emitting blocks. The method includes determining a pixel luminance that is a luminance of light provided to each of the pixels; and generating correction data to correct the pixel data, the correction data being generated based on the pixel luminance and a maximum emission luminance that is a maximum luminance of the light emitted from each of the light-emitting blocks.
    Type: Application
    Filed: April 8, 2010
    Publication date: October 21, 2010
    Inventors: Weon-Jun Choe, Yun-Jae Park, Dae-Gwang Jang, Kyoung-Phil Kim, Sang-su Han
  • Publication number: 20100225674
    Abstract: A method of driving a light source including a light-emitting block includes generating a luminance representative value based on an average grayscale value and a maximum grayscale value extracted from an image signal corresponding to the light-emitting block. The method further includes detecting a predetermined pattern of the light-emitting block, generating a compensation control signal based on the predetermined pattern, generating a compensated luminance representative value by compensating the luminance representative value based on the compensation control signal, and driving the light-emitting block based on the luminance level of the light-emitting block corresponding to the compensated luminance representative value.
    Type: Application
    Filed: December 21, 2009
    Publication date: September 9, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Weon-Jun CHOE, Sang-Su HAN, Byung-Hyuk SHIN, Yun-Jae PARK
  • Publication number: 20100220108
    Abstract: A display device includes; a signal control unit which receives a plurality of image signals and determines a plurality of representative image signals from the image signals, a plurality of lookup tables, each of which is configured to store a plurality of light data signals corresponding to the plurality of representative image signals, a plurality of light-emitting blocks configured to provide light according to the respective light data signals, and a display panel configured to display an image corresponding to the plurality of image signals, wherein the signal control unit determines an average luminance value of the plurality of image signals, selects one of the plurality of lookup tables according to the determined average luminance value, reads the light data signals from the selected lookup table and provides the light data signals to at least one of the plurality of light emitting blocks.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 2, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Jae PARK, Kyung-Uk CHOI, Hyun-Seok KO
  • Patent number: 7719634
    Abstract: A sensor is provided, which includes a substrate, an insulating layer formed on the substrate, a semiconductor formed on the insulating layer, an ohmic contact formed on the semiconductor, a sensor input electrode and a sensor output electrode formed on the ohmic contact, and a passivation layer formed on the sensor input electrode and the sensor output electrode. A sensor control electrode may also be formed between the substrate and the insulating layer. A thin film transistor array panel including the sensor and a liquid crystal display panel including the sensor are further provided.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: May 18, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-Chan Lee, Hyun-Seok Ko, Yun-Jae Park, Seung-Hwan Moon
  • Publication number: 20100085296
    Abstract: A backlight assembly includes a light source unit, at least one block driving unit, a controller unit and a noise removing circuit. The light source unit includes a plurality of dimming blocks generating light. The block driving unit drives the dimming blocks. The controller unit controls the block driving unit.
    Type: Application
    Filed: April 1, 2009
    Publication date: April 8, 2010
    Inventors: Kyung-Uk Choi, Sang-Gil Lee, Yun-Jae Park, Seung-Hwan Moon
  • Publication number: 20100033513
    Abstract: Disclosed are a display device and a method of driving the same capable of improving display quality and reducing the manufacturing cost. A display device includes a display panel displaying images corresponding to image signals, a light-emission block supplying backlight to the display panel, and a backlight driver outputting a light data signal for determining luminance of backlight. One of a plurality of linear gamma curves is selected from a lookup table in accordance with average image luminance during prescribed frames, and the duty ratio of the light data signal is determined on the basis of the selected linear gamma curve. Each of the linear gamma curves represents the relationship between the average image luminance and the duty ratio of the light data signal.
    Type: Application
    Filed: June 3, 2009
    Publication date: February 11, 2010
    Inventors: Kyung-Uk CHOI, Sang-Gil Lee, Yun-Jae Park
  • Patent number: RE47907
    Abstract: A liquid crystal display includes a plurality of pixels arranged in a matrix, each pixel having a first sub-pixel electrode and a second sub-pixel electrode. A first thin film transistor is connected to the first sub-pixel electrode. A second thin film transistor is connected to the second sub-pixel electrode. A third thin film transistor is connected to the second sub-pixel electrode. A fourth thin film transistor is connected to a drain electrode of the third thin film transistor. A first gate line is connected to the first thin film transistor and the second thin film transistor. A data line is connected to the first thin film transistor and the second thin film transistor. A second gate line is connected to the third thin film transistor. A third gate line is connected to the fourth thin film transistor.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: March 17, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Soo Lee, Kee-Bum Park, Yun Jae Park, Jong Jae Lee, Hoi Sik Moon