Patents by Inventor Min Ku Lee

Min Ku 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: 20220085140
    Abstract: A display device includes a substrate including a first pixel region, a second pixel region having an area smaller than that of the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a second pixel provided in the second pixel region, a second line connected to the second pixel, an extension line extended to the peripheral region, a dummy part located in the peripheral region to overlap with the extension line, a power line connected to the first and second pixel regions, and a connection line located in the peripheral region to be connected to the dummy part, the connection line being electrically connected to a portion of the second pixel region, wherein the second pixel region includes a first sub-pixel region connected to the connection line and a second sub-pixel region except the first sub-pixel region.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Keon Woo KIM, Ji Hyun KA, Tae Hoon KWON, Ho Kyoon KWON, Min Ku LEE, Zail LHEE, Jin Tae JEONG, Seung Ji CHA, Byung Du AHN, Jeong Ho LEE
  • Publication number: 20220019317
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Application
    Filed: September 30, 2021
    Publication date: January 20, 2022
    Inventors: Hwa Jeong KIM, Jae Sic LEE, Na Yun KWAK, Dong Hwan KIM, Seung Woo SUNG, Min Kyu WOO, Min Ku LEE, Seong Jun LEE, Sang Jin PAK, Sang Hyun JUN
  • Patent number: 11217185
    Abstract: A display device includes first and second pixel areas spaced apart from each other so that corresponding scan lines are separate from each other, a first non-pixel area at a periphery of the first pixel area, a second non-pixel area at a periphery of the second pixel area and opposite to the first non-pixel area with at least one pixel area interposed therebetween, first scan lines in the first pixel area, second scan lines in the second pixel area, a first scan driver in the first non-pixel area and connected to the first scan lines, a second scan driver in the second non-pixel area and connected to the second scan lines, first wires in the first non-pixel area and connected to the first scan driver, second wires in the second non-pixel area and connected to the second scan driver; and connecting wires connecting the first wires and second wires.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: January 4, 2022
    Inventors: Jin Tae Jeong, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Seung Ji Cha
  • Publication number: 20210383751
    Abstract: A stage includes an output, an input, signal processors, and a stabilizer. The output supplies a voltage of a first or second power source to an output terminal based on voltages of first and second nodes. The input controls voltages of third and fourth nodes based on signals to a first and second input terminals. A first signal processor controls the voltage of the first node based on the voltage of the second node. A second signal processor is connected to a fifth node and controls the voltage of the first node based on a signal to a third input terminal. A third signal processor controls the voltage of the fourth node based on the voltage of the third node and the signal to the third input terminal. The stabilizer is connected between the second signal processor and input to control voltage drop widths of the third and fourth nodes.
    Type: Application
    Filed: August 20, 2021
    Publication date: December 9, 2021
    Inventors: Seung Kyu Lee, Seung Ji Cha, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Jin Tae Jeong
  • Patent number: 11189680
    Abstract: A display device includes a substrate including a first pixel region, a second pixel region having an area smaller than that of the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a second pixel provided in the second pixel region, a second line connected to the second pixel, an extension line extended to the peripheral region, a dummy part located in the peripheral region to overlap with the extension line, a power line connected to the first and second pixel regions, and a connection line located in the peripheral region to be connected to the dummy part, the connection line being electrically connected to a portion of the second pixel region, wherein the second pixel region includes a first sub-pixel region connected to the connection line and a second sub-pixel region except the first sub-pixel region.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: November 30, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keon Woo Kim, Ji Hyun Ka, Tae Hoon Kwon, Ho Kyoon Kwon, Min Ku Lee, Zail Lhee, Jin Tae Jeong, Seung Ji Cha, Byung Du Ahn, Jeong Ho Lee
  • Patent number: 11163412
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: November 2, 2021
    Inventors: Hwa Jeong Kim, Jae Sic Lee, Na Yun Kwak, Dong Hwan Kim, Seung Woo Sung, Min Kyu Woo, Min Ku Lee, Seong Jun Lee, Sang Jin Pak, Sang Hyun Jun
  • Patent number: 11151748
    Abstract: There is provided a method of decoding point cloud data, the method comprising: decoding a bitstream to obtain attribute information of point cloud data, acquiring attributes of the point cloud data using the decoded attribute information and reconstructing the point cloud data using the obtained attributes, wherein the attribute information contains bit depth information of each attribute of the point cloud data.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: October 19, 2021
    Assignees: Electronics and Telecommunications Research Institute, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Eun Young Chang, Ji Hun Cha, Su Gil Choi, Euee Seon Jang, Min Ku Lee, You Sun Park
  • Publication number: 20210287628
    Abstract: The present disclosure relates to a display device including first pixels disposed in a first pixel area, and connected to first scan lines; second pixels disposed in a second pixel area, and connected to second scan lines; a timing controller configured to supply a first clock signal and a second clock signal to a first clock line and a second clock line, respectively; a first scan driver configured to receive the first clock signal through the first clock line, and to supply a first scan signal to the first scan lines; and a second scan driver configured to receive the second clock signal through the second clock line, and to supply a second scan signal to the second scan lines, wherein the second pixel area has a smaller width than the first pixel area.
    Type: Application
    Filed: May 31, 2021
    Publication date: September 16, 2021
    Inventors: Jin Tae JEONG, Tae Hoon KWON, Min Ku LEE, Ji Hyun KA, Seung Kyu LEE, Seung Ji CHA
  • Patent number: 11100856
    Abstract: A stage including: an output circuit to supply a voltage of a first power source or a second power source to an output terminal based on voltages of a first node and a second node; and a stabilizer circuit connected to the first power source and the first node to maintain the voltage of the second node when the voltage of the first power source is to be output to the output terminal, the output circuit and the stabilizer circuit being commonly connected to a first electrode and a second electrode of a capacitor.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: August 24, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Kyu Lee, Seung Ji Cha, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Jin Tae Jeong
  • Patent number: 11056046
    Abstract: A display device includes: a data line; a first scan line configured to sequentially receive a first scan pulse and a second scan pulse, each of which has a turn-on level; an emission line configured to sequentially receive a first emission pulse, a second emission pulse, a third emission pulse, and a fourth emission pulse, each of which has a turn-on level; and a pixel configured to receive the data signal according to the first and second scan pulses, the pixel being further configured to emit light based on the received data signal according to the first to fourth emission pulses, wherein the first emission pulse is generated before the first scan pulse, the second emission pulse and the third emission pulse are generated in a period between the first scan pulse and the second scan pulse, and the fourth emission pulse is generated after the second scan pulse.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: July 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Ku Lee, Ji Hyun Ka, Eun Ju Kim, Kwang Sae Lee
  • Publication number: 20210166626
    Abstract: A display device including a first pixel area including first pixels, a second pixel area including second pixels, a third pixel area including third pixels, and a display driver configured to control image display operations of the first pixel area, the second pixel area, and the third pixel area according to a first mode or a second mode, wherein the first pixel area includes a first sub-pixel area, and a second sub-pixel area between the first sub-pixel area and the second pixel area, and wherein the first sub-pixel area is configured to display a black image in the first mode, and the second sub-pixel area is configured to display a dummy image.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 3, 2021
    Inventors: Tae Hoon KWON, Ji Hyun KA, Min Ku LEE, Seung Ji CHA, Hyun Uk OH, Jin Tae JEONG
  • Patent number: 11024258
    Abstract: The present disclosure relates to a display device including first pixels disposed in a first pixel area, and connected to first scan lines; second pixels disposed in a second pixel area, and connected to second scan lines; a timing controller configured to supply a first clock signal and a second clock signal to a first clock line and a second clock line, respectively; a first scan driver configured to receive the first clock signal through the first clock line, and to supply a first scan signal to the first scan lines; and a second scan driver configured to receive the second clock signal through the second clock line, and to supply a second scan signal to the second scan lines, wherein the second pixel area has a smaller width than the first pixel area.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: June 1, 2021
    Inventors: Jin Tae Jeong, Tae Hoon Kwon, Min Ku Lee, Ji Hyun Ka, Seung Kyu Lee, Seung Ji Cha
  • Publication number: 20210158764
    Abstract: A display device includes first and second pixel areas spaced apart from each other so that corresponding scan lines are separate from each other, a first non-pixel area at a periphery of the first pixel area, a second non-pixel area at a periphery of the second pixel area and opposite to the first non-pixel area with at least one pixel area interposed therebetween, first scan lines in the first pixel area, second scan lines in the second pixel area, a first scan driver in the first non-pixel area and connected to the first scan lines, a second scan driver in the second non-pixel area and connected to the second scan lines, first wires in the first non-pixel area and connected to the first scan driver, second wires in the second non-pixel area and connected to the second scan driver; and connecting wires connecting the first wires and second wires.
    Type: Application
    Filed: February 1, 2021
    Publication date: May 27, 2021
    Inventors: Jin Tae JEONG, Ji Hyun KA, Tae Hoon KWON, Min Ku LEE, Seung Ji CHA
  • Patent number: 10916191
    Abstract: A display device including a first pixel area including first pixels, a second pixel area including second pixels, a third pixel area including third pixels, and a display driver configured to control image display operations of the first pixel area, the second pixel area, and the third pixel area according to a first mode or a second mode, wherein the first pixel area includes a first sub-pixel area, and a second sub-pixel area between the first sub-pixel area and the second pixel area, and wherein the first sub-pixel area is configured to display a black image in the first mode, and the second sub-pixel area is configured to display a dummy image.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: February 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hoon Kwon, Ji Hyun Ka, Min Ku Lee, Seung Ji Cha, Hyun Uk Oh, Jin Tae Jeong
  • Patent number: 10909934
    Abstract: A display device includes first and second pixel areas spaced apart from each other so that corresponding scan lines are separate from each other, a first non-pixel area at a periphery of the first pixel area, a second non-pixel area at a periphery of the second pixel area and opposite to the first non-pixel area with at least one pixel area interposed therebetween, first scan lines in the first pixel area, second scan lines in the second pixel area, a first scan driver in the first non-pixel area and connected to the first scan lines, a second scan driver in the second non-pixel area and connected to the second scan lines, first wires in the first non-pixel area and connected to the first scan driver, second wires in the second non-pixel area and connected to the second scan driver; and connecting wires connecting the first wires and second wires.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: February 2, 2021
    Inventors: Jin Tae Jeong, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Seung Ji Cha
  • Patent number: 10879333
    Abstract: An organic light emitting display device includes a display unit including a first pixel column and a first data line connected to the first pixel column, a first pad unit including first and second signal pads, a test unit including a first switching element which is connected between the first data line and the first signal pad, and includes a control electrode connected to the second signal pad, a first conductive pattern provided in a different layer from that of the first signal pad and connected to the first signal pad, and a second conductive pattern provided in a different layer from that of the second signal pad and connected to the second signal pad, where the first and second conductive patterns are spaced apart from each other in the same layer, and a width of the first conductive pattern is greater than that of the second conductive pattern.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hyun Ka, Tae Hoon Kwon, Yang Wan Kim, Min Ku Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
  • Publication number: 20200333898
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 22, 2020
    Inventors: Hwa Jeong KIM, Jae Sic LEE, Na Yun KWAK, Dong Hwan KIM, Seung Woo SUNG, Min Kyu WOO, Min Ku LEE, Seong Jun LEE, Sang Jin PAK, Sang Hyun JUN
  • Patent number: 10769987
    Abstract: A display device includes first pixels in a first pixel region and connected to first scan lines and second pixels in a second pixel region connected to second scan lines. The second pixel has a width less than the first pixel region. The display device also includes a first scan driver to supply first scan signals to the first scan lines, a second scan driver to supply second scan signals to the second scan lines, a first signal line to supply a first driving signal to the first scan driver and the second scan driver, and a signal delay circuit connected to the first signal line to delay the first driving signal.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Kyu Lee, Tae Hoon Kwon, Min Ku Lee, Ji Hyun Ka, Jin Tae Jeong, Seung Ji Cha
  • Patent number: 10732775
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa Jeong Kim, Jae Sic Lee, Na Yun Kwak, Dong Hwan Kim, Seung Woo Sung, Min Kyu Woo, Min Ku Lee, Seong Jun Lee, Sang Jin Pak, Sang Hyun Jun
  • Publication number: 20200234638
    Abstract: A stage includes an output, an input, signal processors, and a stabilizer. The output supplies a voltage of a first or second power source to an output terminal based on voltages of first and second nodes. The input controls voltages of third and fourth nodes based on signals to a first and second input terminals. A first signal processor controls the voltage of the first node based on the voltage of the second node. A second signal processor is connected to a fifth node and controls the voltage of the first node based on a signal to a third input terminal. A third signal processor controls the voltage of the fourth node based on the voltage of the third node and the signal to the third input terminal. The stabilizer is connected between the second signal processor and input to control voltage drop widths of the third and fourth nodes.
    Type: Application
    Filed: April 6, 2020
    Publication date: July 23, 2020
    Inventors: Seung Kyu Lee, Seung Ji Cha, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Jin Tae Jeong