Patents by Inventor Jaeuk Choi

Jaeuk Choi 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: 11460967
    Abstract: An electronic device including a display layer and a sensor layer including a plurality of sensing units. Each of the plurality of sensing units includes at least one sub sensing unit. The at least one sub sensing unit includes a first pattern including a first portion and a second portion, a first cross pattern including a first cross portion and a second cross portion, a second cross pattern, and a bridge pattern. The second portion extends in a first cross direction crossing the first direction and a second direction crossing the first direction to face the first cross portion, and the second cross portion extends in the first cross direction to face the first portion.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: October 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minsoo Kim, Jaeuk Choi, Yun-Ho Kim
  • Publication number: 20220269358
    Abstract: An electronic pen includes a signal generator, a power supply, and a resonance circuit. The signal generator is configured to generate a signal. The power supply is configured to supply power to the signal generator. The resonance circuit is configured to generate a current based on the signal and emit a magnetic field based on the current.
    Type: Application
    Filed: October 22, 2021
    Publication date: August 25, 2022
    Inventors: Chul Kim, Yun-Ho Kim, Jaeuk Choi
  • Patent number: 11402955
    Abstract: An electronic device includes a display layer and a sensor layer on the display layer. The sensor layer includes an electrode and a cross electrode. The electrode includes a plurality of first portions spaced from each other in a first direction and a plurality of second portions between the plurality of first portions. The cross electrode includes a plurality of first cross portions spaced from each other in a second direction crossing the first direction and a plurality of second cross portions between the plurality of first cross portions. The second portion includes a first pattern portion extending in the first direction and a plurality of second pattern portions extending in the second direction. A first opening is in the plurality of first portions, a second opening is in the first pattern portion, and a size of the first opening is greater than a size of the second opening.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: August 2, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeuk Choi, Yun-Ho Kim, Chul Kim, Hye-Seok Na, Soojung Lee
  • Publication number: 20220206624
    Abstract: A display device includes a display panel and an input sensor. The input sensor includes a first electrode and a second electrode crossing each other and a bridge pattern at a crossing area of the first electrode and the second electrode. One of the first electrode and the second electrode includes a plurality of center patterns each having a first opening, a plurality of first patterns at one side of the plurality of center patterns and each having a second opening, a plurality of second patterns at another side of the plurality of center patterns and each having a third opening, and a plurality of third patterns for electrically connecting two adjacent patterns from among the plurality of center patterns, the plurality of first patterns, and the plurality of second patterns.
    Type: Application
    Filed: March 17, 2022
    Publication date: June 30, 2022
    Inventors: JAEUK CHOI, YUN-HO KIM, CHUL KIM
  • Publication number: 20220181394
    Abstract: A display device includes: a display panel; an input sensor on the display panel; a panel driving circuit to drive the display panel, and to output a synchronization signal; and a sensor controller to control the input sensor. The sensor controller determines a sensing mode in response to the synchronization signal, and changes the sensing mode to a second sensing mode when the synchronization signal is activated in a first sensing mode.
    Type: Application
    Filed: June 7, 2021
    Publication date: June 9, 2022
    Inventors: Gyeong-Ub Moon, Yun-Ho Kim, Chul Kim, Jaeuk Choi
  • Patent number: 11281321
    Abstract: A display device includes a display panel and an input sensor. The input sensor includes a first electrode and a second electrode crossing each other and a bridge pattern at a crossing area of the first electrode and the second electrode. One of the first electrode and the second electrode includes a plurality of center patterns each having a first opening, a plurality of first patterns at one side of the plurality of center patterns and each having a second opening, a plurality of second patterns at another side of the plurality of center patterns and each having a third opening, and a plurality of third patterns for electrically connecting two adjacent patterns from among the plurality of center patterns, the plurality of first patterns, and the plurality of second patterns.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: March 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeuk Choi, Yun-Ho Kim, Chul Kim
  • Publication number: 20220057911
    Abstract: An electronic device includes: a sensor layer having an active area and a peripheral area; a driving chip electrically connected to the sensor layer, wherein the sensor layer comprises a plurality of sensing units on the active area and a plurality of lines on the peripheral area and respectively electrically connected to the plurality of sensing units, each of the plurality of sensing units comprises a plurality of sub sensing units, the plurality of sub sensing units comprise a first sub sensing unit and a second sub sensing unit, the plurality of lines comprise a first line electrically connected to the first sub sensing unit and a second line electrically connected to the second sub sensing unit, and the plurality of switches comprises a first switch connected between the first line and the second line and a second switch connected between the first line and the driving chip.
    Type: Application
    Filed: March 31, 2021
    Publication date: February 24, 2022
    Inventors: Yun-Ho KIM, Chul KIM, Jaeuk CHOI
  • Publication number: 20220050540
    Abstract: A display device includes a display panel and an input sensor. The input sensor includes a first electrode and a second electrode crossing each other and a bridge pattern at a crossing area of the first electrode and the second electrode. One of the first electrode and the second electrode includes a plurality of center patterns each having a first opening, a plurality of first patterns at one side of the plurality of center patterns and each having a second opening, a plurality of second patterns at another side of the plurality of center patterns and each having a third opening, and a plurality of third patterns for electrically connecting two adjacent patterns from among the plurality of center patterns, the plurality of first patterns, and the plurality of second patterns.
    Type: Application
    Filed: April 13, 2021
    Publication date: February 17, 2022
    Inventors: JAEUK CHOI, YUN-HO KIM, CHUL KIM
  • Publication number: 20220050569
    Abstract: An electronic device includes: a display layer configured to display an image based on image data and having a plurality of regions defined thereon; a sensor layer on the display layer; and a sensor driver configured to receive image information data calculated based on the image data, to generate an output signal based on the image information data, and to provide the output signal to the sensor layer, wherein the image information data includes noise information on the image, the noise information being calculated based on the plurality of regions.
    Type: Application
    Filed: April 2, 2021
    Publication date: February 17, 2022
    Inventors: Yun-Ho KIM, Chul KIM, Wonsang PARK, Jaeuk CHOI
  • Publication number: 20210405847
    Abstract: An display device, includes: an input sensor including: a sensor controller configured to operate in a first mode, in which the first electrode and the second electrode are operated as different groups, or in a second mode, in which the first electrode and the second electrode are operated as a same group, wherein the sensor controller is configured to have an operation time of the first mode, which is longer than an operation time of the second mode, in response to the input sensor operating in the first driving mode during successive sensing periods of a first group, and the sensor controller is configured to have the operation time of the second mode, which is longer than the operation time of the first mode, in response to the input sensor operating in the second driving mode during successive sensing periods of a second group.
    Type: Application
    Filed: June 16, 2021
    Publication date: December 30, 2021
    Inventors: JAEUK CHOI, YUN-HO KIM, CHUL KIM, BONGHYUN YOU
  • Publication number: 20210405818
    Abstract: An electronic device including a display layer and a sensor layer including a plurality of sensing units. Each of the plurality of sensing units includes at least one sub sensing unit. The at least one sub sensing unit includes a first pattern including a first portion and a second portion, a first cross pattern including a first cross portion and a second cross portion, a second cross pattern, and a bridge pattern. The second portion extends in a first cross direction crossing the first direction and a second direction crossing the first direction to face the first cross portion, and the second cross portion extends in the first cross direction to face the first portion.
    Type: Application
    Filed: March 24, 2021
    Publication date: December 30, 2021
    Inventors: Minsoo KIM, Jaeuk CHOI, Yun-Ho KIM
  • Publication number: 20210397326
    Abstract: An electronic device includes: a display layer; a display driver configured to generate a horizontal synchronization signal and a vertical synchronization signal for driving the display layer; a sensor layer on the display layer; and a sensor driver configured to receive the horizontal synchronization signal and the vertical synchronization signal from the display driver, and to operate, based on the horizontal synchronization signal and the vertical synchronization signal, in a first mode in which a first input generated by an active pen is detected or a second mode in which a second input generated by a touch is detected.
    Type: Application
    Filed: March 10, 2021
    Publication date: December 23, 2021
    Inventors: Yun-Ho KIM, Chul KIM, Jaeuk CHOI
  • Publication number: 20210397298
    Abstract: An electronic device includes a display layer and a sensor layer on the display layer. The sensor layer includes an electrode and a cross electrode. The electrode includes a plurality of first portions spaced from each other in a first direction and a plurality of second portions between the plurality of first portions. The cross electrode includes a plurality of first cross portions spaced from each other in a second direction crossing the first direction and a plurality of second cross portions between the plurality of first cross portions. The second portion includes a first pattern portion extending in the first direction and a plurality of second pattern portions extending in the second direction. A first opening is in the plurality of first portions, a second opening is in the first pattern portion, and a size of the first opening is greater than a size of the second opening.
    Type: Application
    Filed: February 17, 2021
    Publication date: December 23, 2021
    Inventors: Jaeuk Choi, Yun-Ho Kim, Chul Kim, Hye-Seok Na, Soojung Lee