Patents by Inventor Kyung-su Lee

Kyung-su 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).

  • Patent number: 10949046
    Abstract: A pressure sensor including: a first conductor; a second conductor spaced apart from the first conductor, and positioned so as to form a capacitance with the first conductor; and an elastic member positioned between the first conductor and the second conductor, in which the capacitance varies according to a pressure applied to one or more of the first conductor and the second conductor, and the first conductor has a shape different from that of the second conductor.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: March 16, 2021
    Inventors: Kyung Su Lee, Jun Young Ko, Yeon Tae Kim, Eun Sol Seo, Jin Young Jeon, In Young Han
  • Patent number: 10810964
    Abstract: A display device includes a display unit including a plurality of pixels, each of the pixels including a plurality of subpixels, and a display area having a corner of a non-right angular shape, and a signal controller controlling the display unit to display an image based on an input image signal and a control signal and changing a gray value of the image signal based on different light transmittance values of subpixels included in a first pixel, among the plurality of pixels, positioned at the corner of the non-right angular shape if the image signal corresponds to the first pixel at the corner of the non-right angular shape.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: October 20, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Jae Park, Jae-Gwan Jeon, Kyung Su Lee, Dong Won Park, Dong Hwa Shin
  • Patent number: 10790342
    Abstract: A display device includes a display panel that includes a substrate, a pixel disposed on the substrate, and an encapsulation layer that covers the pixel, and a touch sensor disposed on the display panel. The touch sensor includes sensing electrodes disposed on the encapsulation layer, and sensing lines respectively connected to the sensing electrodes. Each of the sensing lines includes a first sensing line pattern that extends onto the substrate, a second sensing line pattern connected to the first sensing line pattern outside of the encapsulation region, the second sensing line pattern including a first connection part and a second connection part, and a third sensing line pattern connected to the second connection part of the second sensing line pattern at a lower side of the encapsulation layer.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: September 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Yun Han, Jong Hwa Kim, Kyung Su Lee
  • Publication number: 20200229313
    Abstract: A display device, and a method and apparatus for manufacturing the display device, are provided. The display device includes a cover window including a curved portion, and a display panel smaller in at least one of length or width than the cover window and laminated on a flat portion of the cover window.
    Type: Application
    Filed: March 24, 2020
    Publication date: July 16, 2020
    Inventors: Kyung-Su Lee, Kwan-Young Han, Jong-Hwan Kim, Yong-Youl Cho
  • Publication number: 20200203673
    Abstract: A display device comprises a substrate including a display region including a plurality of sub-pixels and a pad region outside the display region; a display element disposed in each of the plurality of sub-pixels; a low potential electrode formed in the pad region to apply a low potential voltage to the display element; a light absorption layer disposed on the low potential electrode in the pad region; and an encapsulation layer formed in the display region and the pad region.
    Type: Application
    Filed: December 16, 2019
    Publication date: June 25, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Oh-Sung KWON, Kyung-Su LEE, Min-Jae SHIN, Sang-Jin YOUN
  • Publication number: 20200193921
    Abstract: A display device according to an exemplary embodiment includes: a display panel including a display area which includes at least one non-quadrangle edge and a plurality of pixels; and a signal controller applying spatial-temporal division processing to an image signal corresponding to a first pixel which is not included in the non-quadrangle edge and bypassing the spatial-temporal division processing to an image signal corresponding to a second pixel which is included in the non-quadrangle edge.
    Type: Application
    Filed: February 24, 2020
    Publication date: June 18, 2020
    Inventors: Sung Jae PARK, Gi Geun KIM, Jae Sung BAE, Dong Hwa SHIN, Kyung Su LEE, Jae-Gwan JEON
  • Publication number: 20200110499
    Abstract: A touch sensor includes first through third sensing areas, first through third sensing patterns respectively disposed in the first through third sensing areas, a sensing line disposed in a non-sensing area and electrically connected to the first sensing pattern, and a connection line disposed in the non-sensing area and disposed between the sensing line and the first sensing pattern. The connection line electrically connects the second and third sensing patterns. The touch sensor further includes a connection portion electrically connecting the sensing line and the first sensing pattern, a dummy line disposed between the sensing line and the connection line, a ground line disposed in the non-sensing area that transmits a ground voltage to the first to third sensing areas, and a bridge line electrically connecting the ground line and the dummy line.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 9, 2020
    Inventors: KYUNG SU LEE, JONG HWA KIM, DUCKJOONG KIM, IL JOO KIM
  • Publication number: 20200111843
    Abstract: A display device includes a display panel that includes a substrate, a pixel disposed on the substrate, and an encapsulation layer that covers the pixel, and a touch sensor disposed on the display panel. The touch sensor includes sensing electrodes disposed on the encapsulation layer, and sensing lines respectively connected to the sensing electrodes.
    Type: Application
    Filed: May 10, 2019
    Publication date: April 9, 2020
    Inventors: JEONG YUN HAN, Jong Hwa Kim, Kyung Su Lee
  • Patent number: 10573259
    Abstract: A display device according to an exemplary embodiment includes: a display panel including a display area which includes at least one non-quadrangle edge and a plurality of pixels; and a signal controller applying spatial-temporal division processing to an image signal corresponding to a first pixel which is not included in the non-quadrangle edge and bypassing the spatial-temporal division processing to an image signal corresponding to a second pixel which is included in the non-quadrangle edge.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: February 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Jae Park, Gi Geun Kim, Jae Sung Bae, Dong Hwa Shin, Kyung Su Lee, Jae-Gwan Jeon
  • Patent number: 10492310
    Abstract: A display device, and a method and apparatus for manufacturing the display device, are provided. The display device includes a cover window including a curved portion, and a display panel smaller in at least one of length or width than the cover window and laminated on a flat portion of the cover window.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: November 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Su Lee, Kwan-Young Han, Jong-Hwan Kim, Yong-Youl Cho
  • Publication number: 20190302942
    Abstract: A display device includes a display panel including a display area in which an image is displayed and a peripheral area disposed outside of the display area, and a touch sensor disposed on the display panel. The touch sensor includes a plurality of sensor electrodes formed in a repeated arrangement of sensor patterns that forms a touch active area, a plurality of sensor wirings connected to the sensor electrodes and disposed outside of the touch active area, and at least one insulating layer overlapping the display area and the peripheral area. At least a portion of the sensor electrodes is formed over the display area and the peripheral area.
    Type: Application
    Filed: January 16, 2019
    Publication date: October 3, 2019
    Inventors: JONG HWA KIM, IL JOO KIM, DEOK JOONG KIM, KYUNG SU LEE
  • Patent number: 10386977
    Abstract: A display device may include a first transistor, a light emitting device, a sensor capacitor, and an insulating layer. The light emitting device may be electrically connected to the first transistor and may include a pixel electrode, a common electrode, and a light-emitting member positioned between the pixel electrode and the common electrode. The sensor capacitor may include a first capacitor electrode, a second capacitor electrode, and a dielectric layer. The dielectric layer may be positioned between the first capacitor electrode and the second capacitor electrode, may directly contact both the first capacitor electrode and the second capacitor electrode, and may not emit light. The second capacitor electrode may be electrically connected to the common electrode. A face of the insulating layer may directly contact each of the pixel electrode and the first capacitor electrode.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: August 20, 2019
    Assignee: Samsung Display Co., , Ltd.
    Inventors: Young Soo No, Ki Cheol Kim, Yeon Tae Kim, Kyung Su Lee, Hwan-Hee Jeong, In Young Han
  • Patent number: 10315400
    Abstract: A laminating apparatus and method are disclosed. The laminating device includes a first jig, a second jig facing the first jig, an auxiliary film fixing unit and a driving unit. A partially curved cover window is seated on the first jig. An auxiliary film and a panel member are seated on the second jig so as to be flat. The driving unit linearly moves at least one of the first and second jigs.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-Han Son, Kyung-Su Lee, Dai-Hyun Hwang
  • Patent number: 10194538
    Abstract: A method of manufacturing a display device includes mounting a cover window including a curved portion on a first jig including a curved portion, mounting a panel member on a second jig that conforms to a surface of the first jig, and laminating the cover window to the panel member by moving a first one of the first jig or the second jig to a first other one of the first jig or the second jig. An apparatus for manufacturing a display device includes a first jig including a mount surface that is partially curved to conform to a surface of a cover window, a second jig including a surface conforming to the mount surface and configured to contact a panel member, and a driving unit.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: January 29, 2019
    Assignees: Samsung Display Co., Ltd., Yodogawa Medec Co., Ltd.
    Inventors: Kyung-Su Lee, Kwan-Young Han, Jong-Hwan Kim, Yong-Youl Cho, Young-Sik Kim, Yang-Han Son, Dae-Hyun Hwang, Kimura Shigeru
  • Publication number: 20180144698
    Abstract: A display device according to an exemplary embodiment includes: a display panel including a display area which includes at least one non-quadrangle edge and a plurality of pixels; and a signal controller applying spatial-temporal division processing to an image signal corresponding to a first pixel which is not included in the non-quadrangle edge and bypassing the spatial-temporal division processing to an image signal corresponding to a second pixel which is included in the non-quadrangle edge.
    Type: Application
    Filed: November 17, 2017
    Publication date: May 24, 2018
    Inventors: Sung Jae Park, Gi Geun Kim, Jae Sung Bae, Dong Hwa Shin, Kyung Su Lee, Jae-Gwan Jeon
  • Publication number: 20180130437
    Abstract: A display device includes a display unit including a plurality of pixels, each of the pixels including a plurality of subpixels, and a display area having a corner of a non-right angular shape, and a signal controller controlling the display unit to display an image based on an input image signal and a control signal and changing a gray value of the image signal based on different light transmittance values of subpixels included in a first pixel, among the plurality of pixels, positioned at the corner of the non-right angular shape if the image signal corresponds to the first pixel at the corner of the non-right angular shape.
    Type: Application
    Filed: November 7, 2017
    Publication date: May 10, 2018
    Inventors: Sung Jae PARK, Jae-Gwan JEON, Kyung Su LEE, Dong Won PARK, Dong Hwa SHIN
  • Publication number: 20180101259
    Abstract: A display device may include a first transistor, a light emitting device, a sensor capacitor, and an insulating layer. The light emitting device may be electrically connected to the first transistor and may include a pixel electrode, a common electrode, and a light-emitting member positioned between the pixel electrode and the common electrode. The sensor capacitor may include a first capacitor electrode, a second capacitor electrode, and a dielectric layer. The dielectric layer may be positioned between the first capacitor electrode and the second capacitor electrode, may directly contact both the first capacitor electrode and the second capacitor electrode, and may not emit light. The second capacitor electrode may be electrically connected to the common electrode. A face of the insulating layer may directly contact each of the pixel electrode and the first capacitor electrode.
    Type: Application
    Filed: September 20, 2017
    Publication date: April 12, 2018
    Inventors: Young Soo NO, Ki Cheol KIM, Yeon Tae KIM, Kyung Su LEE, Hwan-Hee JEONG, In Young HAN
  • Patent number: 9934736
    Abstract: A liquid crystal display and a method for driving the same. The liquid crystal display includes: gate lines arranged in a row direction; data lines arranged in a column direction; and subpixels arranged in basic units of eight subpixels. Each subpixel is each connected to one of the gate lines and one of the data lines, and the subpixels are continuously arranged along a row and are arranged in a matrix. In the basic units, polarities between adjacent subpixels from a first subpixel to a fourth subpixel along the row are opposite to each other, polarities between adjacent subpixels from a fifth subpixel to an eighth subpixel along the row are opposite to each other, and polarities of the fourth subpixel and the fifth subpixel are the same.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: April 3, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kuk-Hwan Ahn, Jai-Hyun Koh, Jin Pil Kim, Kyung Su Lee, Ik Soo Lee, Nam Jae Lim
  • Patent number: 9905173
    Abstract: A liquid crystal display and a method for driving the same. The liquid crystal display includes: gate lines arranged in a row direction; data lines arranged in a column direction; and subpixels arranged in basic units of eight subpixels. Each subpixel is each connected to one of the gate lines and one of the data lines, and the subpixels are continuously arranged along a row and are arranged in a matrix. In the basic units, polarities between adjacent subpixels from a first subpixel to a fourth subpixel along the row are opposite to each other, polarities between adjacent subpixels from a fifth subpixel to an eighth subpixel along the row are opposite to each other, and polarities of the fourth subpixel and the fifth subpixel are the same.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: February 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kuk-Hwan Ahn, Jai-Hyun Koh, Jin Pil Kim, Kyung Su Lee, Ik Soo Lee, Nam Jae Lim
  • Publication number: 20180018039
    Abstract: A pressure sensor including: a first conductor; a second conductor spaced apart from the first conductor, and positioned so as to form a capacitance with the first conductor; and an elastic member positioned between the first conductor and the second conductor, in which the capacitance varies according to a pressure applied to one or more of the first conductor and the second conductor, and the first conductor has a shape different from that of the second conductor.
    Type: Application
    Filed: March 20, 2017
    Publication date: January 18, 2018
    Inventors: KYUNG SU LEE, JUN YOUNG KO, YEON TAE Kim, EUN SOL SEO, JIN YOUNG JEON, IN YOUNG HAN