Patents by Inventor Kwang-Young Choi

Kwang-Young 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).

  • Publication number: 20240127999
    Abstract: The present exemplary embodiments may provide soft magnetic powder including metal powder and an oxide insulation film coating a surface of metal powder particles, in which the metal powder particles may include one or more selected from pure iron or an iron-based alloy and the oxide insulation film may include an oxide of a component constituting the metal powder particles.
    Type: Application
    Filed: May 9, 2023
    Publication date: April 18, 2024
    Inventors: Ji Young Byun, Kwang-Deok Choi, Soyeon Lee
  • Patent number: 11957669
    Abstract: One aspect of the present disclosure is a pharmaceutical composition which includes (R)—N-[1-(3,5-difluoro-4-methansulfonylamino-phenyl)-ethyl]-3-(2-propyl-6-trifluoromethyl-pyridin-3-yl)-acrylamide as a first component and a cellulosic polymer as a second component, wherein the composition of one aspect of the present disclosure has a formulation characteristic in which crystal formation is delayed for a long time.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: April 16, 2024
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Joon Ho Choi, Won Kyung Cho, Kwang-Hyun Shin, Byoung Young Woo, Ki-Wha Lee, Min-Soo Kim, Jong Hwa Roh, Mi Young Park, Young-Ho Park, Eun Sil Park, Jae Hong Park
  • Publication number: 20240074736
    Abstract: An ultrasonic image providing method of the present disclosure includes: receiving ultrasonic images; measuring a plurality of similarities for a plurality of measurement items for at least one of the ultrasonic images; comparing the plurality of similarities with corresponding default thresholds, respectively; when none of the plurality of similarities is greater than the corresponding default threshold, selecting a measurement item maintaining the greatest similarity among the plurality of similarities for a reference time; and providing an ultrasonic image for the selected measurement item as an ultrasonic image.
    Type: Application
    Filed: August 19, 2021
    Publication date: March 7, 2024
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Ja Young Kwon, Ye Jin Park, Jin Yong Lee, Sung Wook Park, Jin Ki Park, Dong Eun Lee, Ji Hun Lee, Kwang Yeon Choi
  • Patent number: 11922717
    Abstract: A display device includes: a display panel including a light emitting element and a photosensitive element; an input sensor comprising a sensing electrode on the display panel; and an anti-reflection layer on the input sensor. The anti-reflection layer includes: a light shielding pattern having a first opening corresponding to the light emitting element and a second opening corresponding to the photosensitive element. The sensing electrode includes a plurality of line portions, the plurality of line portions includes a first line portion overlapping the light shielding pattern and arranged between the first opening and the second opening on a plane. S distance between the first line portion and an edge of the second opening is less than a distance between the first line portion and an edge of the first opening.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Soo Bae, Gee-Bum Kim, Bokwang Song, Dae-Young Lee, Min Oh Choi
  • Publication number: 20230411580
    Abstract: A display device includes: a first base layer including opening; a pad layer disposed on the first base layer, the pad layer overlapping the opening; a second base layer disposed on the pad layer; a pixel circuit layer disposed on the second base layer; and light emitting elements disposed on the pixel circuit layer, the light emitting elements connected to the pixel circuit layer and included in pixels. A color of the first base layer is different from a color of the second base layer.
    Type: Application
    Filed: June 20, 2023
    Publication date: December 21, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Min SONG, Jin Sun KIM, Sae Hee RYU, Il YOU, Seung Min LEE, Kwang Young CHOI
  • Publication number: 20220302202
    Abstract: A display device comprises a first substrate, a first power bottom line on the first substrate, a second substrate on the first power bottom line, the second substrate having a first power connection hole to expose the first power bottom line, and a pixel driving unit including a plurality of switching elements on the second substrate.
    Type: Application
    Filed: October 28, 2021
    Publication date: September 22, 2022
    Inventors: Seung Min LEE, Kwang Young CHOI, Sae Hee RYU, Sol Ip JEONG, Sang Ho PARK, Jin Yool KIM, Cheon Jae MAENG
  • Patent number: 11094764
    Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Eun Lee, Jin-Taek Kim, Ki-Wan Ahn, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
  • Publication number: 20200144346
    Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.
    Type: Application
    Filed: January 3, 2020
    Publication date: May 7, 2020
    Inventors: Sung-Eun LEE, Jin-Taek KIM, Ki-Wan AHN, Joo-Sun YOON, Yong-Jae JANG, Kwang-Young CHOI
  • Patent number: 10553661
    Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Eun Lee, Jin-Taek Kim, Ki-Wan Ahn, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
  • Publication number: 20180122880
    Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.
    Type: Application
    Filed: September 25, 2017
    Publication date: May 3, 2018
    Inventors: Sung-Eun LEE, Jin-Taek KIM, Ki-Wan AHN, Joo-Sun YOON, Yong-Jae JANG, Kwang-Young CHOI
  • Patent number: 9818814
    Abstract: An organic light emitting display device includes a plurality of pixel regions on a substrate, each having a sub-pixel region, a transmissive region and a peripheral region, a plurality of sub-pixel circuits in the sub-pixel region that control the sub-pixel region, a planarization layer that covers the sub-pixel circuits, a first electrode disposed on the planarization layer in the sub-pixel region, a second electrode disposed on the first electrode, and a plurality of wirings disposed at different levels over the substrate in the peripheral region. The wirings are arranged in at least double level configuration and include first wirings that extend in a first direction over the substrate, and second wirings that extend over the substrate in a second direction substantially perpendicular to the first direction.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: November 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Ho Park, Seung-Min Lee, Hee-Jun Yoo, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
  • Patent number: 9653609
    Abstract: A thin film transistor including a substrate; a first gate electrode on the substrate; a first insulating layer covering the substrate and the first gate electrode; a semiconductor on the first insulating layer and overlapping the first gate electrode; a second insulating layer covering the first insulating layer and the semiconductor; a second gate electrode on the second insulating layer and crossing the first gate electrode in plane; a third insulating layer covering the second gate electrode and the second insulating layer; a first source electrode and a first drain electrode on the third insulating layer and connected to the semiconductor; and a second source electrode and a second drain electrode on a same layer as the first source electrode and the first drain electrode and connected to the semiconductor.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: May 16, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee jun Yoo, Sang Ho Park, Joung-Keun Park, Ki Wan Ahn, Joo Sun Yoon, Seung Min Lee, Yong Jae Jang, Jae Hyuk Jang, Kwang Young Choi, Jung Hyun Kim
  • Patent number: 9620577
    Abstract: An organic light emitting display device includes a substrate including a light-emitting region and a transparent region, a transistor disposed in the light-emitting region and including a gate electrode, a source electrode and a drain electrode overlapping the gate electrode, a capacitor disposed in the light-emitting region and disposed adjacent to the transistor and including a first capacitor electrode and a second capacitor electrode overlapping the first capacitor electrode, and a plurality of light-blocking patterns partially overlapping the gate electrode, the source electrode or the drain electrode and disposed on a different layer as a layer the gate electrode, the source electrode or the drain electrode are disposed.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: April 11, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang-Young Choi, Sang-Ho Park
  • Patent number: 9543367
    Abstract: An organic light emitting display device may have a pixel region and a transparent region, and may include a substrate, at least one semiconductor device disposed on the substrate in the pixel region, an organic light emitting structure disposed on the at least one semiconductor device, and a capacitor disposed on the substrate in the transparent region. The capacitor may have a sufficient capacitance without substantially reducing a transmittance of the organic light emitting display device. Additionally, the transparent region of the organic light emitting display device may serve as a mirror in accordance with the material included in a lower electrode of the capacitor and/or an upper electrode of the capacitor.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: January 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Ho Park, Seung-Min Lee, Joo-Sun Yoon, Kwang-Young Choi
  • Publication number: 20160322453
    Abstract: An organic light emitting display device includes a plurality of pixel regions on a substrate, each having a sub-pixel region, a transmissive region and a peripheral region, a plurality of sub-pixel circuits in the sub-pixel region that control the sub-pixel region, a planarization layer that covers the sub-pixel circuits, a first electrode disposed on the planarization layer in the sub-pixel region, a second electrode disposed on the first electrode, and a plurality of wirings disposed at different levels over the substrate in the peripheral region. The wirings are arranged in at least double level configuration and include first wirings that extend in a first direction over the substrate, and second wirings that extend over the substrate in a second direction substantially perpendicular to the first direction.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 3, 2016
    Inventors: SANG-HO PARK, SEUNG-MIN LEE, HEE-JUN YOO, JOO-SUN YOON, YONG-JAE JANG, KWANG-YOUNG CHOI
  • Patent number: 9437661
    Abstract: A thin film transistor substrate includes a semiconductor pattern on a base substrate, a first insulation member disposed on the semiconductor pattern, a second insulation pattern disposed on the first insulation member, and a gate electrode disposed on the first insulation member and the second insulation pattern. The second insulation pattern overlaps a first end portion of the semiconductor pattern, and exposes a second end portion of the semiconductor pattern opposite to the first end portion. The gate electrode overlaps both the first insulation member and the second insulation pattern.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do-Hyun Kwon, Min-Jung Lee, Sung-Eun Lee, Il-Jeong Lee, Jung-Kyu Lee, Kwang-Young Choi
  • Publication number: 20160254337
    Abstract: An organic light emitting display device includes a substrate including a light-emitting region and a transparent region, a transistor disposed in the light-emitting region and including a gate electrode, a source electrode and a drain electrode overlapping the gate electrode, a capacitor disposed in the light-emitting region and disposed adjacent to the transistor and including a first capacitor electrode and a second capacitor electrode overlapping the first capacitor electrode, and a plurality of light-blocking patterns partially overlapping the gate electrode, the source electrode or the drain electrode and disposed on a different layer as a layer the gate electrode, the source electrode or the drain electrode are disposed.
    Type: Application
    Filed: November 16, 2015
    Publication date: September 1, 2016
    Inventors: Kwang-Young CHOI, Sang-Ho PARK
  • Publication number: 20160155858
    Abstract: A thin film transistor including a substrate; a first gate electrode on the substrate; a first insulating layer covering the substrate and the first gate electrode; a semiconductor on the first insulating layer and overlapping the first gate electrode; a second insulating layer covering the first insulating layer and the semiconductor; a second gate electrode on the second insulating layer and crossing the first gate electrode in plane; a third insulating layer covering the second gate electrode and the second insulating layer; a first source electrode and a first drain electrode on the third insulating layer and connected to the semiconductor; and a second source electrode and a second drain electrode on a same layer as the first source electrode and the first drain electrode and connected to the semiconductor.
    Type: Application
    Filed: May 21, 2015
    Publication date: June 2, 2016
    Inventors: Hee jun YOO, Sang Ho PARK, Joung-Keun PARK, Ki Wan AHN, Joo Sun YOON, Seung Min LEE, Yong Jae JANG, Jae Hyuk JANG, Kwang Young CHOI, Jung Hyun KIM
  • Publication number: 20160027856
    Abstract: A thin film transistor substrate includes a semiconductor pattern on a base substrate, a first insulation member disposed on the semiconductor pattern, a second insulation pattern disposed on the first insulation member, and a gate electrode disposed on the first insulation member and the second insulation pattern. The second insulation pattern overlaps a first end portion of the semiconductor pattern, and exposes a second end portion of the semiconductor pattern opposite to the first end portion. The gate electrode overlaps both the first insulation member and the second insulation pattern.
    Type: Application
    Filed: October 7, 2015
    Publication date: January 28, 2016
    Inventors: Do-Hyun KWON, Min-Jung LEE, Sung-Eun LEE, Il-Jeong LEE, Jung-Kyu LEE, Kwang-Young CHOI
  • Publication number: 20160005802
    Abstract: An organic light emitting display device may have a pixel region and a transparent region, and may include a substrate, at least one semiconductor device disposed on the substrate in the pixel region, an organic light emitting structure disposed on the at least one semiconductor device, and a capacitor disposed on the substrate in the transparent region. The capacitor may have a sufficient capacitance without substantially reducing a transmittance of the organic light emitting display device. Additionally, the transparent region of the organic light emitting display device may serve as a mirror in accordance with the material included in a lower electrode of the capacitor and/or an upper electrode of the capacitor.
    Type: Application
    Filed: June 11, 2015
    Publication date: January 7, 2016
    Inventors: Sang-Ho PARK, Seung-Min LEE, Joo-Sun YOON, Kwang-Young CHOI