Patents by Inventor Sang-hyun Lim

Sang-hyun Lim 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: 20210357056
    Abstract: A touch sensor for a display device includes: a sensing area having a closed shape and including a plurality of sections, and a non-sensing area at least partially surrounding the sensing area; first touch electrodes disposed in the sensing area; and second touch electrodes disposed in the sensing area. The first touch electrodes include first groups of first sub-touch electrodes, and first sub-touch electrodes of at least some of the first groups are spaced at a first substantially equal distance from a center of the closed shape. The second touch electrodes include second groups of second sub-touch electrodes, and second sub-touch electrodes of at least some of the second groups are spaced at a second substantially equal distance from the center of the closed shape.
    Type: Application
    Filed: December 27, 2020
    Publication date: November 18, 2021
    Inventors: Gwang Bum KO, Sang Hyun Lim
  • Publication number: 20210318779
    Abstract: A touch sensor includes: a sensing area including a first sensing area positioned in a center portion and a second sensing area positioned outwardly therefrom in an edge portion; first sensor electrodes disposed in the first sensing area; and second sensor electrodes disposed in the second sensing area, the second sensor electrodes being configured to be separately activated from the first sensor electrodes. The first sensor electrodes are drivable to detect a touch input generated in the first sensing area in a first mode and the second sensor electrodes are drivable to detect a touch input generated in the second sensing area in a second mode.
    Type: Application
    Filed: September 24, 2020
    Publication date: October 14, 2021
    Inventors: Gwang Bum KO, Ga Young KIM, Sang Hyun LIM
  • Publication number: 20210286467
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Application
    Filed: May 30, 2021
    Publication date: September 16, 2021
    Inventors: A-Ra JO, Sang-Hyun LIM, Chang-Sub JUNG, Jae-Woo CHOI
  • Publication number: 20210263632
    Abstract: A display device according to an example embodiment includes a display portion displaying an image, and a sense portion that is disposed over one side of the display portion, and senses an external input, wherein the sense portion includes: at least one of first sense electrodes receiving a first sense signal that is changed in response to the external input, at least one of second sense electrodes that are disposed at a distance from the first sense electrodes, wherein the first sense electrodes are disposed between the second sense electrodes, and at least one of compensation electrode that are disposed spaced apart from and between the first sense electrodes, and to which a compensation signal is applied, wherein the compensation signal and the first sense signal are inverted in phase.
    Type: Application
    Filed: September 17, 2020
    Publication date: August 26, 2021
    Inventor: Sang Hyun LIM
  • Patent number: 11099699
    Abstract: A touch sensor including a substrate including an active area and a non-active area, a plurality of first electrodes extending in first direction on the active area, a plurality of second electrodes extending in a second direction crossing the first direction on the active area, a plurality of third electrodes including electrode portions disposed in the first electrodes, respectively, being separated from the first electrodes, and extending in the first direction on the active area, and a sensing circuit including a plurality of signal receivers receiving sensing signals from the first electrodes, respectively, in which each of the signal receivers includes first and second input terminals connected to a pair of first and third electrodes corresponding to each other, respectively, and outputs a signal corresponding to a voltage difference between the first and second input terminals.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: August 24, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Ik Kim, Sang Hyun Lim, Ga Young Kim
  • Patent number: 11061508
    Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: July 13, 2021
    Inventors: Do Ik Kim, Sang Hyun Lim, Ga Young Kim, Young Sik Kim, Sang Chul Lee
  • Patent number: 11023083
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: June 1, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: A-Ra Jo, Sang-Hyun Lim, Chang-Sub Jung, Jae-Woo Choi
  • Publication number: 20210066432
    Abstract: A display device includes, among other things, a pad area having a pattern that may reduce the distance gab between the signal lines cause by the contour changes of the signal lines. A corresponding print circuit board may also include a similar pattern to assimilate the distance gap between the lead wires. The pad and print circuit board may contact through anisotropic conductive film.
    Type: Application
    Filed: June 30, 2020
    Publication date: March 4, 2021
    Inventors: Sang Hyun LIM, Dong Gyun RA
  • Publication number: 20210026187
    Abstract: A display device includes a flexible display panel and a cover window. The flexible display panel includes a display area to display an image and a pad area extending from the display area. The pad area is bent from the display area. The cover window is disposed on the flexible display panel.
    Type: Application
    Filed: October 12, 2020
    Publication date: January 28, 2021
    Inventor: Sang-Hyun LIM
  • Publication number: 20210004120
    Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Inventors: Do Ik KIM, Sang Hyun LIM, Ga Young KIM, Young Sik KIM, Sang Chul LEE
  • Publication number: 20200363893
    Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.
    Type: Application
    Filed: July 31, 2020
    Publication date: November 19, 2020
    Inventors: Do Ik KIM, Ga Young Kim, Sang Hyun Lim, Young Sik Kim, Sang Chul Lee, Hwan Hee Jeong
  • Patent number: 10802312
    Abstract: A display device includes a flexible display panel and a cover window. The flexible display panel includes a display area to display an image and a pad area extending from the display area. The pad area is bent from the display area. The cover window is disposed on the flexible display panel.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: October 13, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Hyun Lim
  • Patent number: 10782826
    Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: September 22, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Ik Kim, Sang Hyun Lim, Ga Young Kim, Young Sik Kim, Sang Chul Lee
  • Publication number: 20200272270
    Abstract: A touch sensor including a substrate including an active area and a non-active area, a plurality of first electrodes extending in first direction on the active area, a plurality of second electrodes extending in a second direction crossing the first direction on the active area, a plurality of third electrodes including electrode portions disposed in the first electrodes, respectively, being separated from the first electrodes, and extending in the first direction on the active area, and a sensing circuit including a plurality of signal receivers receiving sensing signals from the first electrodes, respectively, in which each of the signal receivers includes first and second input terminals connected to a pair of first and third electrodes corresponding to each other, respectively, and outputs a signal corresponding to a voltage difference between the first and second input terminals.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 27, 2020
    Inventors: Do Ik Kim, Sang Hyun Lim, Ga Young Kim
  • Patent number: 10747373
    Abstract: A touch panel includes a touch electrode configured to receive a sensing input signal, a display panel, the touch electrode being disposed thereon, and a protective layer disposed between the touch electrode and the display panel, the protective layer configured to receive a protective layer driving signal.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Woo Choi, Chang Sub Jung, Eun Gil Choi, Sang Hyun Lim, A Ra Jo
  • Patent number: 10732746
    Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Ik Kim, Ga Young Kim, Sang Hyun Lim, Young Sik Kim, Sang Chul Lee, Hwan Hee Jeong
  • Patent number: 10656742
    Abstract: A touch sensor including a substrate including an active area and a non-active area, a plurality of first electrodes extending in first direction on the active area, a plurality of second electrodes extending in a second direction crossing the first direction on the active area, a plurality of third electrodes including electrode portions disposed in the first electrodes, respectively, being separated from the first electrodes, and extending in the first direction on the active area, and a sensing circuit including a plurality of signal receivers receiving sensing signals from the first electrodes, respectively, in which each of the signal receivers includes first and second input terminals connected to a pair of first and third electrodes corresponding to each other, respectively, and outputs a signal corresponding to a voltage difference between the first and second input terminals.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: May 19, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Ik Kim, Sang Hyun Lim, Ga Young Kim
  • Publication number: 20200089363
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 19, 2020
    Inventors: A-Ra Jo, Sang-Hyun Lim, Chang-Sub Jung, Jae-Woo Choi
  • Patent number: 10545637
    Abstract: A method and apparatus for providing an idle screen service are disclosed. A mobile communication terminal receiving contents provided from at least one content provider server in a mobile communication system environment is also disclosed. The mobile communication terminal may include a content receiver module which receives contents provided through a mobile communication system by separating into layers, a handset operating system module which operates the terminal and runs an application and which has a user interface, and a content management application mod ole which synthesizes the contents separated into layers received from the content receiver module into one idle screen layer and which provides it to the idle screen of the mobile communication terminal.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: January 28, 2020
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Sang-hyun Lim, Gwi-Ho Chun
  • Patent number: 10514800
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: December 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: A-Ra Jo, Sang-Hyun Lim, Chang-Sub Jung, Jae-Woo Choi