Patents by Inventor Ga-Young Kim

Ga-Young Kim 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: 20210294475
    Abstract: A display device comprises: a display panel; a window; and a first pressure sensor. The display panel comprises: a planar portion; a first curved portion connected to one side of the planar portion; and a first side portion connected to one side of the first curved portion. The window is on the display panel. The first pressure sensor overlaps with the first side portion. Here, the first side portion is in a plane different from each of the planar portion and the first curved portion.
    Type: Application
    Filed: December 20, 2018
    Publication date: September 23, 2021
    Inventors: Choon Hyop LEE, Sang Chul LEE, Ga Young KIM, Kang Won LEE, Seung Hwan CHUNG, Do Ik KIM
  • Publication number: 20210278930
    Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 9, 2021
    Inventors: Jang Hul KIM, Ga Young KIM, A Ra JO
  • Publication number: 20210263630
    Abstract: A display device, includes: a display panel having short sides and long sides; and a touch sensor on the display panel and including a sensing area and a non-sensing area around the sensing area, wherein the touch sensor includes: a first touch electrode unit including a plurality of first touch electrodes in the sensing area, arranged in a direction in which the short sides of the display panel extend, and each including a first opening; a second touch electrode unit including a plurality of second touch electrodes in the sensing area, arranged in a direction in which the long sides of the display panel extend, and each including a second opening; and a pressure sensor including a strain gauge, at least a part of the strain gauge being located in the sensing area.
    Type: Application
    Filed: February 11, 2021
    Publication date: August 26, 2021
    Inventors: Jang Hui KIM, Ga Young KIM, Jung Mok PARK, A Ra JO
  • 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
  • Publication number: 20210223888
    Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.
    Type: Application
    Filed: April 5, 2021
    Publication date: July 22, 2021
    Inventors: Do Ik KIM, Jang hui KIM, Sang Chul LEE, 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
  • Publication number: 20210149517
    Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 20, 2021
    Inventors: Ga Young KIM, Jang Hui KIM, A Ra JO
  • Patent number: 10969911
    Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: April 6, 2021
    Inventors: Do ik Kim, Jang hui Kim, Sang Chul Lee, Ga Young Kim
  • Publication number: 20210064187
    Abstract: A sensing circuit includes: a plurality of sensor electrodes; a first capacitance between the sensor electrodes; a plurality of proximity sensing electrodes electrically isolated from the sensor electrodes; and a second capacitance between at least one of the sensor electrodes and the proximity sensing electrodes. A density of at least one of the proximity sensing electrodes is less than a density of at least one of the sensor electrodes.
    Type: Application
    Filed: April 14, 2020
    Publication date: March 4, 2021
    Inventors: Choon Hyop LEE, Kang Won LEE, Ga Young KIM, Jang Hui KIM, A Ra JO
  • Patent number: 10936134
    Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: March 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Hui Kim, Ga Young Kim, A Ra Jo
  • Patent number: 10908723
    Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ga Young Kim, Jang Hui Kim, A Ra Jo
  • 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: 20200409500
    Abstract: There is provided a display device including a high-sensitivity touch sensor. A display device includes: pixels arranged in a display region; sensing electrodes arranged in a sensing region; sensing lines coupled to the respective sensing electrodes; a noise detection electrode disposed on the same layer as the sensing electrodes; sensing channels each including a first input terminal coupled to any one of the sensing electrodes and a second input terminal coupled to the noise detection electrode, the sensing channels each generating an output signal corresponding to a voltage difference between the first and second input terminals; and a processor detecting a touch input, using the output signals of the sensing channels.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 31, 2020
    Inventors: DO IK KIM, Gwang Bum KO, Jung Hak KIM, Sang Chui LEE, Ga Young KIM
  • Publication number: 20200411705
    Abstract: Provided is a transparent solar cell including a first transparent electrode, a second transparent electrode, a light absorbing layer, a first color implementation layer, and a second implementation layer, wherein each of the first color implementation layer and the second implementation layer includes an insulation layer and a conductive layer. By using a double layer, it is possible to provide a colored transparent solar cell securing stability and durability and implementing colors on both sides.
    Type: Application
    Filed: December 26, 2019
    Publication date: December 31, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: JungWook LIM, Ga Young KIM, Sun Jin YUN
  • 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: 10824269
    Abstract: A touch sensor including a base layer, a first touch electrode member including first touch electrodes disposed on the base layer, arranged along a first direction, electrically connected to each other, and each including a first opening, a second touch electrode member including second touch electrodes disposed on the base layer, arranged along a second direction, and electrically connected to each other, a conductive member including conductive patterns electrically connected to each other along the first direction and respectively disposed in the first openings, a contact electrode connected to one end of the first touch electrode member and including lower and upper contact electrodes, and a connection pattern connected to an outermost first conductive pattern, the connection pattern including the same conductive layer as the upper contact electrode, in which the upper contact electrode includes an electrode opening, and a portion of the connection pattern is disposed therein.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: November 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ga Young Kim, In Young Han
  • Publication number: 20200333910
    Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Inventors: Jung Hak KIM, Do Ik KIM, Ga Young KIM, Young Sik KIM, Sang Chul LEE
  • Publication number: 20200319735
    Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 8, 2020
    Inventors: Jang Hui KIM, Ga Young KIM, Do Ik KIM, Sang Chul LEE, A Ra JO
  • 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
  • Patent number: 10775916
    Abstract: There is provided a display device including a high-sensitivity touch sensor. A display device includes: pixels arranged in a display region; sensing electrodes arranged in a sensing region; sensing lines coupled to the respective sensing electrodes; a noise detection electrode disposed on the same layer as the sensing electrodes; sensing channels each including a first input terminal coupled to any one of the sensing electrodes and a second input terminal coupled to the noise detection electrode, the sensing channels each generating an output signal corresponding to a voltage difference between the first and second input terminals; and a processor detecting a touch input, using the output signals of the sensing channels.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: September 15, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do Ik Kim, Gwang Bum Ko, Jung Hak Kim, Sang Chul Lee, Ga Young Kim