Patents by Inventor Chung Keun Yoo

Chung Keun Yoo 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: 10817078
    Abstract: According to various embodiments of the present invention, a stylus pen can comprise: a pen body extended along an axial line; a touch tip provided on one end portion of the pen body; a cap arranged on the other end portion of the pen body; a first structure for changing the length of the stylus pen by moving the cap along the axial line; and a second structure coming in contact with at least a part of the first structure, and restricting the movement of the cap and/or the first structure.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: October 27, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Chung Keun Yoo, Young Sun Park, Seung Hyun Hwang, Sang Min Kim, Dae Young Noh, Young Jin An, Soon Woong Yang, Seung Hoon Lee, Yun Jae Han
  • Patent number: 10775852
    Abstract: An electronic device is provided. The electronic device includes two housing structures, a hinge structure, and a flexible display, the hinge structure includes a first saw-toothed spur gear, a second saw-toothed spur gear, a third saw-toothed spur gear, a fourth saw-toothed spur gear, a first guide structure fixed to the first housing structure and rotated by the gears, and a second guide structure fixed to the second housing structure and rotated in an opposite direction of the first guide structure, the first guide structure is rotated about a first axis formed from a bottom surface of the flexible display upwards, and the second guide structure is rotated about a second axis that is spaced apart from the first axis and is formed from the bottom surface of the flexible display.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: September 15, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Yoon Kim, Jung Jin Kim, Young Sun Park, Chung Keun Yoo
  • Patent number: 10736224
    Abstract: Disclosed are a hinge module, and a case and an electronic device that include the same. The hinge module includes a first case connection connected to a first case, a second case connection connected to a second case, a first hinge shaft having one end connected to the first case connection, a second hinge shaft having one end connected to the second case connection, and a curling part that provides a frictional force to the first hinge shaft, at least a portion of which is inserted into the curling part, to allow the first hinge shaft to rotate with a first torque and provides a frictional force to the second hinge shaft, at least a portion of which is inserted into the curling part, to allow the second hinge shaft to rotate with a second torque different from the first torque.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Sun Park, Chung Keun Yoo
  • Publication number: 20200137908
    Abstract: According to an embodiment of the present disclosure, an electronic device may comprise a first housing including a first surface and a second surface facing in a direction opposite the first surface, a second housing including a third surface and a fourth surface facing in a direction opposite the third surface, a hinge disposed between the first housing and the second housing configured to provide rotational motion between the first housing and the second housing, and a flexible display disposed from the first surface of the first housing across the hinge to the third surface of the second housing, at least part of the flexible display configured to form a curved surface as the hinge structure is folded, wherein the hinge may include dual-axis hinges configured to provide a first rotational axis allowing the first housing to rotate about the second housing and a second rotational axis allowing the second housing to rotate about the first housing and slides coupled with the first housing and the second housi
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Inventors: Chung-Keun YOO, Jung-Jin KIM, Jong-Yoon KIM, Gi-Dae KIM, Young-Sun PARK, Moo-Hyun BAEK, Hyun-Woo SIM
  • Patent number: 10604980
    Abstract: An electronic device may comprise a first housing structure including a first conductive part and a second housing structure including a second conductive part. The hinge structure may include a metallic bracket including a first conductive part and a second conductive part and a first cylindrical through hole and a second cylindrical through hole, a first cylindrical insulating bushing at least partially positioned inside the first through hole, a second cylindrical insulating bushing at least partially positioned inside the second through hole, a first conductive shaft contacting the first conductive part and extending through the first insulating bushing, a second conductive shaft contacting the second conductive part and extending through the second insulating bushing, and a conductive connector contacting the first conductive shaft and the second conductive shaft and configured to form an electrical path from the first conductive part to the second conductive part.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 31, 2020
    Assignee: Samung Electronics Co., Ltd.
    Inventors: Chung Keun Yoo, Yong Hwa Han
  • Patent number: 10551873
    Abstract: According to various embodiments of the present disclosure, a docking station includes a base housing comprising a first surface having a recessed portion, a second surface directed in an opposite direction to the first surface, and a side surface at least partially surrounding a space between the first surface and the second surface, a slide housing slidably mounted on the recessed portion to open and close at least a part of the recessed portion, and a connection member disposed on the recessed portion, in which as the slide housing slides, the connection member is hidden or exposed, and in a state where the at least the part of the recessed portion is opened, the slide housing is positioned inclined with respect to the first surface or the second surface. The docking station described above may be implemented variously depending on embodiments.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: February 4, 2020
    Assignees: Samsung Electronics Co., Ltd., R.F. Tech Co., Ltd.
    Inventors: Yong-Hwa Han, Sang-Jun Ahn, Chung-Keun Yoo, Ui-Jin Lee, Sang-Hyun Lee
  • Publication number: 20190380218
    Abstract: A portable electronic device is provided. The portable electronic device includes a first housing including a first surface and a second surface a second housing including a third surface and a fourth surface, and a hinge. The hinge includes a hinge shaft, a sliding device including a portion configured to slide to an inside or an outside of the second housing to be introduced, or slide from the inside or the outside of the second housing in a specific direction to be extracted in correspondence to a hinge operation of the second housing, and a multi-bar disposed between the first surface and the fourth surface and including multi-bar units to be spread or bent in correspondence to a hinge operation of the second housing.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Inventors: Hee Cheul MOON, Gi Dae KIM, Moo Hyun BAEK, Chung Keun YOO
  • Patent number: 10433438
    Abstract: A portable electronic device is provided. The portable electronic device includes a first housing including a first surface and a second surface a second housing including a third surface and a fourth surface, and a hinge. The hinge includes a hinge shaft, a sliding device including a portion configured to slide to an inside or an outside of the second housing to be introduced, or slide from the inside or the outside of the second housing in a specific direction to be extracted in correspondence to a hinge operation of the second housing, and a multi-bar disposed between the first surface and the fourth surface and including multi-bar units to be spread or bent in correspondence to a hinge operation of the second housing.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee Cheul Moon, Gi Dae Kim, Moo Hyun Baek, Chung Keun Yoo
  • Publication number: 20190194990
    Abstract: An electronic device may comprise a first housing structure including a first conductive part and a second housing structure including a second conductive part. The hinge structure may include a metallic bracket including a first conductive part and a second conductive part and a first cylindrical through hole and a second cylindrical through hole, a first cylindrical insulating bushing at least partially positioned inside the first through hole, a second cylindrical insulating bushing at least partially positioned inside the second through hole, a first conductive shaft contacting the first conductive part and extending through the first insulating bushing, a second conductive shaft contacting the second conductive part and extending through the second insulating bushing, and a conductive connector contacting the first conductive shaft and the second conductive shaft and configured to form an electrical path from the first conductive part to the second conductive part.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Chung Keun YOO, Yong Hwa HAN
  • Publication number: 20190166703
    Abstract: An electronic device is provided. The electronic device includes two housing structures, a hinge structure, and a flexible display, the hinge structure includes a first saw-toothed spur gear, a second saw-toothed spur gear, a third saw-toothed spur gear, a fourth saw-toothed spur gear, a first guide structure fixed to the first housing structure and rotated by the gears, and a second guide structure fixed to the second housing structure and rotated in an opposite direction of the first guide structure, the first guide structure is rotated about a first axis formed from a bottom surface of the flexible display upwards, and the second guide structure is rotated about a second axis that is spaced apart from the first axis and is formed from the bottom surface of the flexible display.
    Type: Application
    Filed: November 26, 2018
    Publication date: May 30, 2019
    Inventors: Jong Yoon KIM, Jung Jin KIM, Young Sun PARK, Chung Keun YOO
  • Publication number: 20190064523
    Abstract: A head mount wearable device is provided. The housing includes a first surface and a second surface, in which the first surface faces the face of a user and the second surface is opposite to the first surface when a user wears the head mount wearable device, a pair of lenses disposed inside at least one opening formed through the housing from the first surface to the second surface, at least one mounting member connected to the housing and configured to be worn by a user where the pair of lenses are positioned in front of the eyes of a user, and a holder assembly formed on the second surface or close to the second surface to hold a mobile device including a display and holding the mobile device where the display of the mobile device faces the opening.
    Type: Application
    Filed: July 18, 2018
    Publication date: February 28, 2019
    Inventors: Ji-Seong HWANG, Chung-Keun YOO, Kyu-Myeong KANG, Kyeong-Soo KIM, Jae-Cheon KIM, Suk-Jin YUN
  • Publication number: 20190029135
    Abstract: Disclosed are a hinge module, and a case and an electronic device that include the same. The hinge module includes a first case connection connected to a first case, a second case connection connected to a second case, a first hinge shaft having one end connected to the first case connection, a second hinge shaft having one end connected to the second case connection, and a curling part that provides a frictional force to the first hinge shaft, at least a portion of which is inserted into the curling part, to allow the first hinge shaft to rotate with a first torque and provides a frictional force to the second hinge shaft, at least a portion of which is inserted into the curling part, to allow the second hinge shaft to rotate with a second torque different from the first torque.
    Type: Application
    Filed: November 9, 2016
    Publication date: January 24, 2019
    Inventors: Young Sun Park, Chung Keun Yoo
  • Publication number: 20180324964
    Abstract: According to an embodiment of the present disclosure, an electronic device may comprise a first housing including a first surface and a second surface facing in a direction opposite the first surface, a second housing including a third surface and a fourth surface facing in a direction opposite the third surface, a hinge disposed between the first housing and the second housing configured to provide rotational motion between the first housing and the second housing, and a flexible display disposed from the first surface of the first housing across the hinge to the third surface of the second housing, at least part of the flexible display configured to form a curved surface as the hinge structure is folded, wherein the hinge may include dual-axis hinges configured to provide a first rotational axis allowing the first housing to rotate about the second housing and a second rotational axis allowing the second housing to rotate about the first housing and slides coupled with the first housing and the second housi
    Type: Application
    Filed: April 30, 2018
    Publication date: November 8, 2018
    Inventors: Chung-Keun Yoo, Jung-Jin Kim, Jong-Yoon Kim, Gi-Dae Kim, Young-Sun Park, Moo-Hyun Baek, Hyun-Woo Sim
  • Publication number: 20180284842
    Abstract: According to various embodiments of the present disclosure, a docking station includes a base housing comprising a first surface having a recessed portion, a second surface directed in an opposite direction to the first surface, and a side surface at least partially surrounding a space between the first surface and the second surface, a slide housing slidably mounted on the recessed portion to open and close at least a part of the recessed portion, and a connection member disposed on the recessed portion, in which as the slide housing slides, the connection member is hidden or exposed, and in a state where the at least the part of the recessed portion is opened, the slide housing is positioned inclined with respect to the first surface or the second surface. The docking station described above may be implemented variously depending on embodiments.
    Type: Application
    Filed: February 9, 2018
    Publication date: October 4, 2018
    Inventors: Yong-Hwa HAN, Sang-Jun AHN, Chung-Keun YOO, Ui-Jin LEE, Sang-Hyun LEE
  • Publication number: 20180270971
    Abstract: A portable electronic device is provided. The portable electronic device includes a first housing including a first surface and a second surface a second housing including a third surface and a fourth surface, and a hinge. The hinge includes a hinge shaft, a sliding device including a portion configured to slide to an inside or an outside of the second housing to be introduced, or slide from the inside or the outside of the second housing in a specific direction to be extracted in correspondence to a hinge operation of the second housing, and a multi-bar disposed between the first surface and the fourth surface and including multi-bar units to be spread or bent in correspondence to a hinge operation of the second housing.
    Type: Application
    Filed: May 17, 2018
    Publication date: September 20, 2018
    Inventors: Hee Cheul MOON, Gi Dae KIM, Moo Hyun BAEK, Chung Keun YOO
  • Publication number: 20180217687
    Abstract: According to various embodiments of the present invention, a stylus pen can comprise: a pen body extended along an axial line; a touch tip provided on one end portion of the pen body; a cap arranged on the other end portion of the pen body; a first structure for changing the length of the stylus pen by moving the cap along the axial line; and a second structure coming in contact with at least a part of the first structure, and restricting the movement of the cap and/or the first structure.
    Type: Application
    Filed: May 3, 2016
    Publication date: August 2, 2018
    Inventors: Chung Keun YOO, Young Sun PARK, Seung Hyun HWANG, Sang Min KIM, Dae Young NOH, Young Jin AN, Soon Woong YANG, Seung Hoon LEE, Yun Jae HAN
  • Patent number: 9992888
    Abstract: A portable electronic device is provided. The portable electronic device includes a first housing including a first surface and a second surface a second housing including a third surface and a fourth surface, and a hinge. The hinge includes a hinge shaft, a sliding device including a portion configured to slide to an inside or an outside of the second housing to be introduced, or slide from the inside or the outside of the second housing in a specific direction to be extracted in correspondence to a hinge operation of the second housing, and a multi-bar disposed between the first surface and the fourth surface and including multi-bar units to be spread or bent in correspondence to a hinge operation of the second housing.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: June 5, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee Cheul Moon, Gi Dae Kim, Moo Hyun Baek, Chung Keun Yoo
  • Publication number: 20180077810
    Abstract: A portable electronic device is provided. The portable electronic device includes a first housing including a first surface and a second surface a second housing including a third surface and a fourth surface, and a hinge. The hinge includes a hinge shaft, a sliding device including a portion configured to slide to an inside or an outside of the second housing to be introduced, or slide from the inside or the outside of the second housing in a specific direction to be extracted in correspondence to a hinge operation of the second housing, and a multi-bar disposed between the first surface and the fourth surface and including multi-bar units to be spread or bent in correspondence to a hinge operation of the second housing.
    Type: Application
    Filed: August 16, 2017
    Publication date: March 15, 2018
    Inventors: Hee Cheul MOON, Gi Dae KIM, Moo Hyun BAEK, Chung Keun YOO
  • Patent number: 9874908
    Abstract: An electronic device capable of maintaining an angle between two display units at a certain angle, without any hinge structure is provided. The electronic device includes a display unit including a first display unit and a functional unit spaced apart from each other, the functional unit being equipped with an electronic component, a cover unit including a first cover part and a second cover part, to which the first display unit and the functional unit are respectively attached, and a connection unit including a shape-preserving member, which is configured to allow the display unit and the functional unit to be maintained at a certain angle, when an angle between the first cover part and the second cover part is changed by an external force.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: January 23, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Soo Han, Chung Keun Yoo, Jin Hyuk Choi, Byoung Soo Lee, Jae Woo Lee, Ji Hoon Park
  • Patent number: 9760064
    Abstract: A wearable electronic device includes an external housing including a first surface, a second surface toward a direction opposite to the first surface, and a first opening formed through the first surface; a display disposed in the opening; a plate covering the display, forming at least a portion of the first surface, and having a substantially circular shape; a first structure forming a portion of the external housing or extending from the external housing; a bezel surrounding an outer circumferential surface of the plate, mounted on the external housing to be rotatable, and including a surface toward a portion of a surface of the first structure; and a second structure disposed between the portion of the surface of the first structure and the surface of the bezel and attached to the first structure. The second structure has a friction coefficient smaller than a friction coefficient of the first structure.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: September 12, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Hae Kim, Chung Keun Yoo, Byoung Uk Yoon, Ik Su Jung