Patents by Inventor Min-Kyu Woo

Min-Kyu Woo 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: 11961847
    Abstract: A display device includes pixels disposed in a display area and including first and second pixels that are adjacent to each other in a first direction, and a first integrated bank pattern disposed between the first and second pixels. Each of the pixels includes a first electrode and a second electrode that are spaced apart from each other along the first direction in a light emitting area and extend in a second direction, a first bank pattern portion overlapping the first electrode, and a second bank pattern portion overlapping the second electrode. The first integrated bank pattern includes a second bank pattern portion disposed at the first pixel, a first bank pattern portion disposed at the second pixel, and a protrusion extending in the second direction in a boundary area between the first pixel and the second pixel.
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: No Kyung Park, Kyung Bae Kim, Min Kyu Woo
  • Patent number: 11951832
    Abstract: A driver assistance system for vehicles, which is capable of preventing driver carelessness from causing a vehicle accident when a vehicle stops while traveling, includes a vehicle sensor unit configured to detect driver state data, a driver assistance unit operated to assist a driver when driver carelessness about vehicle driving is detected when a vehicle stops while traveling, and a control unit configured to identify whether the driver is careless based on the driver state data when the vehicle stops while traveling, and to operate the driver assistance unit when the driver carelessness is detected, preventing the vehicle from driving.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: April 9, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dong Hyeon Woo, Kyeong Keun Kim, Min Kyu Han, Da Som Yang
  • Patent number: 11940725
    Abstract: A blankmask for EUV lithography includes a substrate, a reflective layer, a capping layer, and a phase shift layer. The phase shift layer is made of a material containing ruthenium (Ru) and chromium (Cr), and a total content of ruthenium (Ru) and chromium (Cr) is 50 to 100 at %. The phase shift layer may further contain boron (B) or nitrogen (N). The phase shift layer of the present invention has a high relative reflectance (relative reflectance with respect to a reflectance of the reflective layer under the phase shift layer) with respect to a tantalum (Ta)-based phase shift layer and has a phase shift amount of 170 to 230°. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 26, 2024
    Assignee: S&S Tech Co., Ltd.
    Inventors: Cheol Shin, Yong-Dae Kim, Jong-Hwa Lee, Chul-Kyu Yang, Min-Kwang Park, Mi-Kyung Woo
  • Patent number: 11927880
    Abstract: A blankmask for extreme ultraviolet lithography includes a substrate, a reflective layer formed on the substrate, and a phase shift layer formed on the reflective layer. The phase shift layer contains niobium (Nb), and is made of a material containing one of tantalum (Ta), chromium (Cr), and ruthenium (Ru). A phase shift layer containing Nb and Ta has a relative reflectance of 5 to 20%, a phase shift layer containing Nb and Cr has a relative reflectance of 9 to 15%, and a phase shift layer containing Nb and Ru has a relative reflectance of 20% or more. The phase shift layer has a phase shift amount of 170 to 230°, and has a surface roughness of 0.5 nmRMS or less. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: March 12, 2024
    Assignee: S&S TECH Co., Ltd.
    Inventors: Yong-Dae Kim, Chul-Kyu Yang, Min-Kwang Park, Mi-Kyung Woo
  • Patent number: 11908845
    Abstract: A display device includes: a base layer having a first area and a second area extending at least partially around a periphery of the first area; conductive patterns in the second area; an insulating layer over the conductive patterns in the second area; a first electrode and a second electrode on the insulating layer; and a plurality of light emitting elements between the first electrode and the second electrode in the first area and being connected to the first electrode and the second electrode. The first electrode and the second electrode are spaced apart from each other in the first area and are respectively connected to portions of the conductive patterns through contact openings penetrating the insulating layer. The light emitting elements do not overlap the conductive patterns and the insulating layer.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Kyu Woo, Kyung Bae Kim, Chong Chul Chai
  • Patent number: 11901346
    Abstract: A display device may include: a substrate including a display area and a non-display area; pixels in the display area, each of the pixels including first to fourth electrodes, and light emitting elements connected with the first to fourth electrodes; first pads in a pad area of the non-display area; first to third lines provided in the non-display area; and a circuit board overlapping with the pad area of the substrate and including second pads electrically connected with the first pads. The first pads may include a 1-1th pad connected to the first line, a 1-2th pad connected to the second line, and a 1-3th pad connected to the third line. An identical driving voltage may be applied to at least two lines of the first to third lines. The first to third lines may apply alignment signals to the first to fourth electrodes.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hye Lee, Kyung Bae Kim, Min Kyu Woo
  • Publication number: 20230402009
    Abstract: A display device includes a first pixel region including a plurality of first pixels and a plurality of first gate control lines coupled to the first pixels, and a second pixel region spaced apart from the first pixel region. The second pixel region includes a plurality of second pixels and a plurality of second gate control lines coupled to the second pixels. The display device further includes a first non-pixel region disposed between the first pixel region and the second pixel region, and a first coupling line disposed in the first non-pixel region. The first coupling line commonly couples at least two first gate control lines and at least two second gate control lines.
    Type: Application
    Filed: August 10, 2023
    Publication date: December 14, 2023
    Inventors: MI HAE KIM, MIN KYU WOO, YOUNG TAEG JUNG, HYUN CHOL BANG, SANG WON SEOK, HWAN SOO JANG, JU HEE HYEON
  • Publication number: 20230317738
    Abstract: A display device includes pixels disposed in a display area and including first and second pixels that are adjacent to each other in a first direction, and a first integrated bank pattern disposed between the first and second pixels. Each of the pixels includes a first electrode and a second electrode that are spaced apart from each other along the first direction in a light emitting area and extend in a second direction, a first bank pattern portion overlapping the first electrode, and a second bank pattern portion overlapping the second electrode. The first integrated bank pattern includes a second bank pattern portion disposed at the first pixel, a first bank pattern portion disposed at the second pixel, and a protrusion extending in the second direction in a boundary area between the first pixel and the second pixel.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 5, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: No Kyung PARK, Kyung Bae KIM, Min Kyu WOO
  • Publication number: 20230299121
    Abstract: A display device is provided. The display device comprises: a first electrode and a second electrode that are spaced from each other in a first direction; a plurality of light-emitting elements arranged between the first electrode and the second electrode; a pixel circuit including a capacitor that includes first to third capacitor electrodes stacked in order; an interlayer insulation layer arranged between the second capacitor electrode and the third capacitor electrode; a first area overlapping on the first capacitor electrode; and a second area that excludes the first area, wherein the interlayer insulation layer of the first area is thinner than the interlayer insulation layer in the second area.
    Type: Application
    Filed: July 28, 2021
    Publication date: September 21, 2023
    Inventors: Do Yeong PARK, Min Kyu WOO, Kyung Bae KIM
  • Publication number: 20230276666
    Abstract: A display device comprises a pixel circuit of each of first to third pixels disposed on a substrate, first to third vertical gate lines extending in a first direction and disposed on a side of the pixel circuit of each of the first to third pixels, respectively, a horizontal gate line extending in a second direction intersecting the first direction and disposed on the first to third vertical gate lines, a first electrode of each of the first to third pixels extending in the first direction and disposed on the horizontal gate line, and a second electrode of each of the first to third pixels extending in the first direction, the second electrode and the first electrode being disposed in a same layer. The first electrode of the first pixel overlaps the first vertical gate line, and the first electrode of the second pixel overlaps the second vertical gate line.
    Type: Application
    Filed: October 26, 2022
    Publication date: August 31, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Hee SHIN, Na Hyeon CHA, Min Kyu WOO
  • Publication number: 20230268350
    Abstract: A display device includes a data line disposed on a substrate and extending in a first direction, a first gate line disposed on the data line and extending in a second direction intersecting the first direction, a voltage line extending in the second direction, the voltage line and the first gate line disposed on a same layer, first and second metal patterns extending in the first direction, the first metal patterns, the second metal patterns, and the data line disposed on a same layer, and third and fourth metal patterns extending in the first direction, the third and the fourth metal patterns disposed on at least one of the first and the second metal patterns. The first metal patterns and the third metal patterns are electrically connected to the first gate line, and the second metal patterns and the fourth metal patterns are electrically connected to the voltage line.
    Type: Application
    Filed: December 14, 2022
    Publication date: August 24, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Hee SHIN, No Kyung PARK, Min Kyu WOO
  • Publication number: 20230266853
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Application
    Filed: May 1, 2023
    Publication date: August 24, 2023
    Inventors: Hwa Jeong KIM, Jae Sic LEE, Na Yun KWAK, Dong Hwan KIM, Seung Woo SUNG, Min Kyu WOO, Min Ku LEE, Seong Jun LEE, Sang Jin PAK, Sang Hyun JUN
  • Patent number: 11727876
    Abstract: A display device includes a first pixel region including a plurality of first pixels and a plurality of first gate control lines coupled to the first pixels, and a second pixel region spaced apart from the first pixel region. The second pixel region includes a plurality of second pixels and a plurality of second gate control lines coupled to the second pixels. The display device further includes a first non-pixel region disposed between the first pixel region and the second pixel region, and a first coupling line disposed in the first non-pixel region. The first coupling line commonly couples at least two first gate control lines and at least two second gate control lines.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mi Hae Kim, Min Kyu Woo, Young Taeg Jung, Hyun Chol Bang, Sang Won Seok, Hwan Soo Jang, Ju Hee Hyeon
  • Patent number: 11721706
    Abstract: A display device includes pixels disposed in a display area and including first and second pixels that are adjacent to each other in a first direction, and a first integrated bank pattern disposed between the first and second pixels. Each of the pixels includes a first electrode and a second electrode that are spaced apart from each other along the first direction in a light emitting area and extend in a second direction, a first bank pattern portion overlapping the first electrode, and a second bank pattern portion overlapping the second electrode. The first integrated bank pattern includes a second bank pattern portion disposed at the first pixel, a first bank pattern portion disposed at the second pixel, and a protrusion extending in the second direction in a boundary area between the first pixel and the second pixel.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: No Kyung Park, Kyung Bae Kim, Min Kyu Woo
  • Publication number: 20230232679
    Abstract: A display device includes: a substrate; and a semiconductor layer including a driving transistor and a fourth transistor on the substrate, wherein a first electrode of the driving transistor is connected to a driving voltage line to receive a driving voltage, a first electrode of the fourth transistor is connected to a first initialization voltage line to receive a first initialization voltage, a second electrode of the fourth transistor is connected to a gate electrode of the driving transistor, a low doping region is between a channel of the fourth transistor and the first electrode of the fourth transistor, and a low doping region is not between the channel of the further transistor and the second electrode of the fourth transistor.
    Type: Application
    Filed: January 11, 2023
    Publication date: July 20, 2023
    Inventors: MINDO HEO, Min Kyu WOO, Seon Young CHOI
  • Patent number: 11675466
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: June 13, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa Jeong Kim, Jae Sic Lee, Na Yun Kwak, Dong Hwan Kim, Seung Woo Sung, Min Kyu Woo, Min Ku Lee, Seong Jun Lee, Sang Jin Pak, Sang Hyun Jun
  • Publication number: 20230137784
    Abstract: A display device includes first and second unit pixels adjacent to each other in a first direction, and each including first to third pixels, a first voltage line on a first side of each of the first and second unit pixels, and extended in a second direction crossing the first direction, a data line on a second side of each of the first and second unit pixels, and extended in the second direction, first gate lines between the first side of the first unit pixel and the second side of the second unit pixel to not be on the second side of the first unit pixel and to not be on the first side of the second unit pixel, and extended in the second direction, and a second gate line connected to at least one of the first gate lines, and extended in the first direction.
    Type: Application
    Filed: August 2, 2022
    Publication date: May 4, 2023
    Inventors: Dong Hee SHIN, Min Kyu WOO, Na Hyeon CHA
  • Publication number: 20230120255
    Abstract: A display device includes a first electrode, second electrodes, light emitting elements, a bank layer, and connection electrodes. Each of the second electrodes comprises an electrode stem part overlapping the bank layer and electrode branch parts branching from the electrode stem part and disposed partially in an emission area, and the connection electrodes comprise a first connection electrode disposed on the first electrode, overlapping an upper bank part of the bank layer and having a part disposed in a first sub-area, a second connection electrode disposed on a first electrode branch part of one of the second electrodes, overlapping a lower bank part of the bank layer and having a part disposed in a second sub-area, and a third connection electrode disposed on second electrode branch parts of different second electrodes of the second electrodes and on the first electrode and surrounding a part of the first connection electrode.
    Type: Application
    Filed: June 3, 2022
    Publication date: April 20, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Min Kyu WOO
  • Patent number: 11631365
    Abstract: A display device including: a first power line; a second power line; a data line; a first scan line; a second scan line; a light emitting element connected between the first power line and a first node; a first transistor connected between the first node and the second power line and including a gate electrode connected to a second node; a second transistor connected between the data line and the second node and including a gate electrode connected to the first scan line; and a fourth transistor connected between the first power line and the first node and including a gate electrode connected to the second scan line.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: April 18, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Woo Kim, Min Kyu Woo
  • Publication number: 20230060203
    Abstract: A display device includes: a power source line; a plurality of gate lines each extending in a first direction and arranged along a second direction in a plan view; a plurality of pixels connected to the power source line and the gate lines; and a plurality of vertical lines each extending in the second direction and arranged along the first direction in the plan view, wherein the vertical lines include a plurality of gate connection lines and a plurality of dummy lines between the gate connection lines, wherein the gate connection lines connect the gate lines to a gate driver, wherein the dummy lines are connected to the power source line, and wherein a distance between the dummy lines spaced apart from each other with at least one of the gate connection lines interposed therebetween is constant throughout.
    Type: Application
    Filed: July 26, 2022
    Publication date: March 2, 2023
    Inventors: Dong Woo KIM, Min Kyu WOO, Kyung Bae KIM