Patents by Inventor Hong-Jun Cha
Hong-Jun Cha 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).
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Publication number: 20250050336Abstract: A pattern electrode structure for an electrowetting device is laminated between a base material and a dielectric layer of the electrowetting device, and the pattern electrode structure includes first branch electrodes formed in a direction perpendicular to any plane perpendicular to a plane defined by the pattern electrode structure, and a basal pattern electrode formed in an area below lower ends of the first branch electrodes and connected to an electrode connection portion configured to receive a voltage, in which a sum of an interval between the first branch electrode and the basal pattern electrode and a width of the basal pattern electrode is larger than a diameter of a droplet to be removed, thereby preventing the droplet from stagnating without falling at the terminal end of the pattern in a structure that uses the vertical pattern.Type: ApplicationFiled: October 19, 2023Publication date: February 13, 2025Inventors: Kwang-Joon Han, Yu-Bin Jeon, Byung-Kyu Cho, Sung-Hun Han, Hong-Jun Cha, Young-Ern Jung
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Publication number: 20250053000Abstract: An embodiment pattern electrode structure for an electrowetting device includes a first branch electrode disposed in a direction perpendicular to any plane that is perpendicular to a plane defined by the pattern electrode structure and a basal pattern electrode disposed in an area above an upper end of the first branch electrode and connected to an electrode connection portion configured to receive a voltage, wherein an interval between the first branch electrode and the basal pattern electrode is equal to or larger than a diameter of a droplet to be removed.Type: ApplicationFiled: November 8, 2023Publication date: February 13, 2025Inventors: Kwang-Joon Han, Yu-Bin Jeon, Byung-Kyu Cho, Sung-Hun Han, Hong-Jun Cha, Young-Ern Jung
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Patent number: 11906041Abstract: A transmission for a vehicle includes a shift lever rotatable around a rotation axis so that one of a plurality of shift stages is selected; a pawl member disposed in the shift lever to be movable in a radial direction with respect to the rotation axis; a detent plate including a plurality of detent grooves formed therein and arranged along a rotational direction of the shift lever so that the pawl member is inserted into each of the plurality of detent grooves corresponding to each of the plurality of shift stages; and a shift lever actuator that rotates the shift lever. The shift lever actuator includes a driving unit; and a driven unit that is rotated about the rotation axis by the driving unit to cause the pawl member to move in the radial direction and to apply a force to the pawl member in the rotation direction of the shift lever.Type: GrantFiled: March 31, 2023Date of Patent: February 20, 2024Assignee: SL CorporationInventors: Yong Hyun Kim, Sang Ho Moon, Young Jae Cho, Jae Gu Choi, Hong Jun Cha
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Publication number: 20230332681Abstract: A transmission for a vehicle includes a shift lever rotatable around a rotation axis so that one of a plurality of shift stages is selected; a pawl member disposed in the shift lever to be movable in a radial direction with respect to the rotation axis; a detent plate including a plurality of detent grooves formed therein and arranged along a rotational direction of the shift lever so that the pawl member is inserted into each of the plurality of detent grooves corresponding to each of the plurality of shift stages; and a shift controller that rotates the shift lever. The shift controller includes a driving unit; and a driven unit that is rotated about the rotation axis by the driving unit to cause the pawl member to move in the radial direction and to apply a force to the pawl member in the rotation direction of the shift lever.Type: ApplicationFiled: March 31, 2023Publication date: October 19, 2023Inventors: Yong Hyun KIM, Sang Ho MOON, Young Jae CHO, Jae Gu CHOI, Hong Jun CHA
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Patent number: 11587413Abstract: In an electronic shift operation apparatus, an operation of a haptic actuator is controlled depending on a kind of shifting stage signal (P.R.N.D) generated at the time of an operation of a shift button to generate a different type of haptic signal, and an operation of the haptic actuator is controlled depending on a distance to a rear object positioned behind a vehicle at the time of an operation of an R-stage button to additionally generate a haptic signal.Type: GrantFiled: April 12, 2021Date of Patent: February 21, 2023Assignees: Hyundai Motor Company, Kia Corporation, SL CorporationInventors: Ki Jung, Jee Hyuck Choi, Myung Lyul Na, Young Eon Jung, Hong Jun Cha, Seong Guk Bae
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Patent number: 11416020Abstract: An integrated driving control device configured to integrally control acceleration, deceleration, shifting and steering of a vehicle, may include a knob unit, a rotating unit engaged to the knob unit and configured to control steering of a vehicle in a response to rotation of the knob unit, and a sliding unit engaged to the rotating unit and configured to control acceleration and deceleration of the vehicle in a response to sliding movement of the knob unit.Type: GrantFiled: September 29, 2020Date of Patent: August 16, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, SL CorporationInventors: Jee Hyuck Choi, Gi Man Park, Hong Jun Cha
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Publication number: 20220092951Abstract: In an electronic shift operation apparatus, an operation of a haptic actuator is controlled depending on a kind of shifting stage signal (P.R.N.D) generated at the time of an operation of a shift button to generate a different type of haptic signal, and an operation of the haptic actuator is controlled depending on a distance to a rear object positioned behind a vehicle at the time of an operation of an R-stage button to additionally generate a haptic signal.Type: ApplicationFiled: April 12, 2021Publication date: March 24, 2022Applicants: Hyundai Motor Company, Kia Corporation, SL CorporationInventors: Ki JUNG, Jee Hyuck CHOI, Myung Lyul NA, Young Eon JUNG, Hong Jun CHA, Seong Guk BAE
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Publication number: 20210365063Abstract: An integrated driving control device configured to integrally control acceleration, deceleration, shifting and steering of a vehicle, may include a knob unit, a rotating unit engaged to the knob unit and configured to control steering of a vehicle in a response to rotation of the knob unit, and a sliding unit engaged to the rotating unit and configured to control acceleration and deceleration of the vehicle in a response to sliding movement of the knob unit.Type: ApplicationFiled: September 29, 2020Publication date: November 25, 2021Applicants: Hyundai Motor Company, Kia Motors Corporation, SL CorporationInventors: Jee Hyuck Choi, Gi Man Park, Hong Jun Cha
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Patent number: 11167784Abstract: A handle-type integrated control device includes: a steering lever disposed to be movable in a width direction of a vehicle by a driver's operation; a handle housing disposed at an upper end of the steering lever and configured to rotate, in a front-to-rear direction of the vehicle, about one end of the steering lever by the driver's operation; a speed value receiver disposed at one end of the handle housing to receive an acceleration or deceleration change value; and a speed controller connected to the speed value receiver to receive the acceleration or deceleration change value from the speed value receiver.Type: GrantFiled: August 10, 2020Date of Patent: November 9, 2021Assignees: Hyundai Motor Company, Kia Motors Corporation, SL CorporationInventors: Jee Hyuck Choi, Gi Man Park, Hong Jun Cha
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Publication number: 20210221422Abstract: A handle-type integrated control device includes: a steering lever disposed to be movable in a width direction of a vehicle by a driver's operation; a handle housing disposed at an upper end of the steering lever and configured to rotate, in a front-to-rear direction of the vehicle, about one end of the steering lever by the driver's operation; a speed value receiver disposed at one end of the handle housing to receive an acceleration or deceleration change value; and a speed controller connected to the speed value receiver to receive the acceleration or deceleration change value from the speed value receiver.Type: ApplicationFiled: August 10, 2020Publication date: July 22, 2021Inventors: Jee Hyuck Choi, Gi Man Park, Hong Jun Cha
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Patent number: 10927946Abstract: Provided is a vehicle transmission for a gear shift operation. The vehicle transmission includes: a shift lever which is at least partially displaced toward front or rear directions by a driver to select shift stages; a movable plate which includes an input shaft rotated according to the displacement of the shift lever and an internal gear; an eccentric gear unit which has a first external gear eccentrically engaged with the internal gear and a second external gear moved simultaneously with the first external gear; a rotation unit having a ring gear with which the second external gear is eccentrically engaged; and an insertion unit which includes an eccentric shaft inserted into an aperture formed at a center of the eccentric gear unit and a central shaft formed with the eccentric shaft and inserted into an aperture formed at a center of the rotation unit.Type: GrantFiled: July 19, 2018Date of Patent: February 23, 2021Assignee: SL CorporationInventors: Chun Nyung Heo, Hong Jun Cha, Dae Hyung Kim
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Patent number: 10436318Abstract: A controlling apparatus for a transmission capable of returning a shift stage of the transmission to an initial stage is provided. The apparatus includes a first gear component configured to rotate based on a driving force provided from a driving component, an output component configured to generate an operating force to control the transmission an elastic component with a first end fixed and a second end supported by the output component, a driving force transfer component configured to be selectively coupled to the output component to transfer the driving force from the first gear component to the output component and a returning component configured to actuate the driving force transfer component to be separated from the output component. The output component includes a shaft configured to be connected to the transmission, and the first gear component and the driving force transfer component are configured to rotate around the shaft.Type: GrantFiled: December 28, 2017Date of Patent: October 8, 2019Assignee: SL CorporationInventors: Hong Jun Cha, Young Eon Jung, Tae Won Park, Chang Su Lee, Keon Chan Ahn, Dong Hwan Lee
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Patent number: 10309525Abstract: A vehicle transmission is provided that performs a dial type gear shift operation. The vehicle transmission includes a knob that rotates to select a shaft stage and an operation unit that rotates to generate the operation feeling when the knob rotates. Additionally, a plurality of gear units are configured to transmit the rotational force of the knob to the operation unit and at least one of the plurality of the gear units has a central axis spaced apart from the rotational axis of the knob.Type: GrantFiled: April 8, 2016Date of Patent: June 4, 2019Assignee: SL CorporationInventors: Chun Nyung Heo, Hong Jun Cha, Dae Hyung Kim
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Publication number: 20180320780Abstract: Provided is a vehicle transmission for a gear shift operation. The vehicle transmission includes: a shift lever which is at least partially displaced toward front or rear directions by a driver to select shift stages; a movable plate which includes an input shaft rotated according to the displacement of the shift lever and an internal gear; an eccentric gear unit which has a first external gear eccentrically engaged with the internal gear and a second external gear moved simultaneously with the first external gear; a rotation unit having a ring gear with which the second external gear is eccentrically engaged; and an insertion unit which includes an eccentric shaft inserted into an aperture formed at a center of the eccentric gear unit and a central shaft formed with the eccentric shaft and inserted into an aperture formed at a center of the rotation unit.Type: ApplicationFiled: July 19, 2018Publication date: November 8, 2018Inventors: Chun Nyung Heo, Hong Jun Cha, Dae Hyung Kim
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Publication number: 20180180177Abstract: A controlling apparatus for a transmission capable of returning a shift stage of the transmission to an initial stage is provided. The apparatus includes a first gear component configured to rotate based on a driving force provided from a driving component, an output component configured to generate an operating force to control the transmission an elastic component with a first end fixed and a second end supported by the output component, a driving force transfer component configured to be selectively coupled to the output component to transfer the driving force from the first gear component to the output component and a returning component configured to actuate the driving force transfer component to be separated from the output component. The output component includes a shaft configured to be connected to the transmission, and the first gear component and the driving force transfer component are configured to rotate around the shaft.Type: ApplicationFiled: December 28, 2017Publication date: June 28, 2018Inventors: Hong Jun Cha, Young Eon Jung, Tae Won Park, Chang Su Lee, Keon Chan Ahn, Dong Hwan Lee
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Publication number: 20160312882Abstract: A vehicle transmission is provided that performs a dial type gear shift operation. The vehicle transmission includes a knob that rotates to select a shaft stage and an operation unit that rotates to generate the operation feeling when the knob rotates. Additionally, a plurality of gear units are configured to transmit the rotational force of the knob to the operation unit and at least one of the plurality of the gear units has a central axis spaced apart from the rotational axis of the knob.Type: ApplicationFiled: April 8, 2016Publication date: October 27, 2016Inventors: Chun Nyung Heo, Hong Jun Cha, Dae Hyung Kim
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Patent number: 9309963Abstract: A transmission device for a vehicle is provided. The transmission device includes a first rotating unit configured to be rotatably coupled to a first rotating axis and a second rotating unit configured to be rotatably coupled to a second rotating axis separated from the first rotating axis. A joint unit is configured to connect the first rotating unit and the second rotating unit to allow the first rotating unit and the second rotating unit to rotate relative to each other. A shift mode selection unit is mounted on at least one of the first rotating unit, the second rotating unit, and the joint unit. Additionally, a driving unit is configured to rotate the second rotating unit about the second rotating axis in response to receiving an operating signal to change an angle between the first rotating unit and the second rotating unit with respect to the joint unit.Type: GrantFiled: November 21, 2014Date of Patent: April 12, 2016Assignee: SL CorporationInventors: Hong Jun Cha, Jun Hyung Seo
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Publication number: 20150143939Abstract: A transmission device for a vehicle is provided. The transmission device includes a first rotating unit configured to be rotatably coupled to a first rotating axis and a second rotating unit configured to be rotatably coupled to a second rotating axis separated from the first rotating axis. A joint unit is configured to connect the first rotating unit and the second rotating unit to allow the first rotating unit and the second rotating unit to rotate relative to each other. A shift mode selection unit is mounted on at least one of the first rotating unit, the second rotating unit, and the joint unit. Additionally, a driving unit is configured to rotate the second rotating unit about the second rotating axis in response to receiving an operating signal to change an angle between the first rotating unit and the second rotating unit with respect to the joint unit.Type: ApplicationFiled: November 21, 2014Publication date: May 28, 2015Inventors: Hong Jun CHA, Jun Hyung SEO
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Patent number: 8104599Abstract: A hand-operated control lever release apparatus for a transmission of a vehicle includes a housing, a manual release lever rotatably mounted in the housing, a brake cam which is rotatably coupled to the housing through the cam shaft and the rotation of which is restrained by the manual release lever, a first cable connecting the manual release lever to a control lever for the transmission and unlocking the control lever in response to rotation of the manual release lever, and a second cable connecting the brake cam with a brake pedal. According to the apparatus, the control lever for the electronic transmission can be manually unlocked in response to rotation of the manual release lever, thereby actuating the movement of the vehicle.Type: GrantFiled: December 5, 2008Date of Patent: January 31, 2012Assignee: SL CorporationInventors: Yong-Eon Jung, Hong-Jun Cha
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Publication number: 20090151501Abstract: A hand-operated control lever release apparatus for a transmission of a vehicle includes a housing, a manual release lever rotatably mounted in the housing, a brake cam which is rotatably coupled to the housing through the cam shaft and the rotation of which is restrained by the manual release lever, a first cable connecting the manual release lever to a control lever for the transmission and unlocking the control lever in response to rotation of the manual release lever, and a second cable connecting the brake cam with a brake pedal. According to the apparatus, the control lever for the electronic transmission can be manually unlocked in response to rotation of the manual release lever, thereby actuating the movement of the vehicle.Type: ApplicationFiled: December 5, 2008Publication date: June 18, 2009Applicant: SL CorporationInventors: Young-Eon JUNG, Hong-Jun CHA