Patents by Inventor Sung Sik Cho

Sung Sik Cho 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: 11944948
    Abstract: Disclosed is a composite for forming a coacervate interfacial film. The composite for forming the coacervate interfacial film contains a cationic hectorite nanoplate-shaped particle structure containing a hectorite nanoplate-shaped particle and a cationic surfactant coupled to a surface of the hectorite nanoplate-shaped particle, and an anionic cellulose nanofibril containing an anionic functional group in at least a portion thereof, in which the composite may form the coacervate interfacial film at an interface of an oil phase and a water phase through electrostatic interaction between the cationic surfactant and the anionic functional group.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: April 2, 2024
    Assignees: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, SUNJIN BEAUTY SCIENCE CO., LTD.
    Inventors: Jin Woong Kim, Yeong Sik Cho, Ji Woo Bae, Hye Min Seo, Kyoung Hee Shin, Sung Ho Lee
  • Publication number: 20240085218
    Abstract: A sensing unit including first sensing electrodes arranged in a sensing area, second sensing electrodes electrically isolated from the first sensing electrodes, first identification patterns adjacent to the first sensing electrodes, and second identification patterns adjacent to the second sensing electrodes, in which a number of the first identification patterns is different from a number of the second identification patterns.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Inventors: Sung Jin YANG, Hyun Sik PARK, Ma Eum CHO
  • Patent number: 11856333
    Abstract: Disclosed are systems and a methods for monitoring a back seat in a transporter based on a head up display (HUD), the system a back seat display mounted on the back seat, and the HUD to display monitoring information selected by a user, image information filmed by a camera, and control information for an image displayed on the back seat display, and a processor configured to transmit and receive a control signal between the camera, the back seat display, and the HUD, and control zoom-in or zoom-out of a first area of the HUD where the monitoring information is displayed to not overlap a second area where driving control information is displayed, wherein the image information comprises an image content displayed on the back seat display, a reproduction time of the image content, and a number or a reproduction time of image contents after a point in time.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: December 26, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Ki Hee Park, Sung Sik Cho, June Seung Lee, Yeong Hun Park, Hyun Jun Lim
  • Publication number: 20230391310
    Abstract: A method for automatically controlling an in-cabin environment for a passenger in an autonomous vehicle includes monitoring a state of the passenger via a video sensor; determining whether the state of the passenger corresponds to one of preset states of a predetermined number; and adjusting, when the state corresponds to the one of the preset states, any one or any combination of any two or more of a seat, an air conditioning system, a lighting system, a sound system, a variable window tinting, and a variable sunroof of the autonomous vehicle based on the state. The determining of the state of the passenger includes detecting a plurality of determination target objects from a video of the video sensor, cropping an image of each of the plurality of determination target objects, and determining whether the state of the passenger corresponds to the one of the preset states.
    Type: Application
    Filed: August 24, 2023
    Publication date: December 7, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Yu Jin JUNG, Sung Sik CHO, Yeong Hun PARK
  • Publication number: 20230188681
    Abstract: Disclosed are systems and a methods for monitoring a back seat in a transporter based on a head up display (HUD), the system a back seat display mounted on the back seat, and the HUD to display monitoring information selected by a user, image information filmed by a camera, and control information for an image displayed on the back seat display, and a processor configured to transmit and receive a control signal between the camera, the back seat display, and the HUD, and control zoom-in or zoom-out of a first area of the HUD where the monitoring information is displayed to not overlap a second area where driving control information is displayed, wherein the image information comprises an image content displayed on the back seat display, a reproduction time of the image content, and a number or a reproduction time of image contents after a point in time.
    Type: Application
    Filed: August 2, 2022
    Publication date: June 15, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Ki Hee PARK, Sung Sik CHO, June Seung LEE, Yeong Hun PARK, Hyun Jun LIM
  • Publication number: 20230186649
    Abstract: The present disclosure relates to a method of automatically managing an emergency in a mobility device and system for the same. The method includes distinguishing passengers through an image obtained by an image sensor and determining a violent situation based on per-passenger joint position tracking, determining emotional states of one or more passengers through voice obtained by a sound sensor, based on determining the emergency requiring an emergency measure based on the determination on the violent situation and the determination on the emotional states, storing the image of the image sensor and the voice of the sound sensor, and transmitting a signal for the emergency measure to an emergency measure server.
    Type: Application
    Filed: July 18, 2022
    Publication date: June 15, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Sung Sik CHO, Yeong Hun PARK, Yu Jin JUNG
  • Publication number: 20230135942
    Abstract: A method for automatically controlling an in-cabin environment for a passenger in an autonomous vehicle includes monitoring a state of the passenger via a video sensor; determining whether the state of the passenger corresponds to one of preset states of a predetermined number; and adjusting, when the state corresponds to the one of the preset states, any one or any combination of any two or more of a seat, an air conditioning system, a lighting system, a sound system, a variable window tinting, and a variable sunroof of the autonomous vehicle based on the state. The determining of the state of the passenger includes detecting a plurality of determination target objects from a video of the video sensor, cropping an image of each of the plurality of determination target objects, and determining whether the state of the passenger corresponds to the one of the preset states.
    Type: Application
    Filed: August 2, 2022
    Publication date: May 4, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Yu Jin JUNG, Sung Sik CHO, Yeong Hun PARK
  • Patent number: 10598846
    Abstract: An optical sheet module consisting of optical sheets having different thicknesses, includes: a first base film having a predetermined thickness and transmitting light from a lower portion thereof through an upper portion thereof; an upper optical sheet formed on the first base film and having a first structural pattern in which the upper optical sheet protrudes upwardly and the cross-sectional area thereof decreases when progressing toward an upper portion thereof; a second based film laminated beneath the upper optical sheet so as to transmit light from a lower portion thereof to the upper optical sheet; and a lower optical sheet formed on the second base film and having a second structural pattern in which the lower optical sheet protrudes toward the upper optical sheet and the cross-sectional area thereof decreases when progressing toward an upper portion thereof. The first base film is relatively thicker than the second base film.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: March 24, 2020
    Assignee: LMS CO., LTD.
    Inventors: Jee Hong Min, Young Il Kim, Sung Sik Cho, Woo Jong Lee, Tae Jun Lee, Hee Jeong Kim, Yong Jin Kang
  • Patent number: 10506707
    Abstract: A flexible display device including; a base film; a display sheet formed over the base film; and a structural pattern formed below the base film for moving a neutral plane with respect to a bending stress applied to the display sheet to a layer having relatively low rupture point among the layers consisting of the display sheet. The neutral plane is moved to a layer having a relative low rupture point in a flexible display device by forming the structural patterns so that the bending stress applying to the layer having a relative low rupture point can be minimized.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: December 10, 2019
    Assignee: LMS CO., LTD
    Inventors: Jang Hee Cho, Chang Hyo Lee, Sung Sik Cho, Yong Il Kim, Joon Hwan Hwang
  • Patent number: 10191203
    Abstract: A stacking-type optical sheet module includes an upper optical sheet having a first structural pattern with first unit light-condensing bodies successively repeated and cross-sectional areas gradually decreasing towards the top. A lower optical sheet has a second structural pattern and is below the upper optical sheet in a stack. Second and third unit light-condensing bodies are successively disposed in the second structural pattern. The second unit bodies have a gradually decreasing cross-sectional area toward the top and are joined with the upper optical sheet, and the third unit bodies have a gradually decreasing cross-sectional area toward the top, a vertical distance from a lowest to a highest portion thereof being relatively shorter than a corresponding vertical distance of the second unit bodies. A vertical angle of the highest portion of the second unit bodies is relatively smaller than a vertical angle of the highest portion of the third unit bodies.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: January 29, 2019
    Assignee: LMS CO., LTD
    Inventors: Sung Sik Cho, Dong Cheol Lee, Tae Jun Lee, Hee Jeong Kim
  • Patent number: 10180531
    Abstract: A laminated optical sheet module includes: an upper optical sheet having a first structure pattern in which a first unit light collector having an inclined surface, the cross-section area of which decrease when progressing upwardly, is continuously repeated; and a lower optical sheet laminated beneath the upper optical sheet and having a second structure pattern in which a second unit light collector having an inclined surface, the cross-sectional area of which decreases when progressing upwardly, is continuously repeated. The vertical distance between the lowermost portion and the uppermost portion of the second unit collector is greater than the vertical distance between the lowermost portion and the uppermost portion of the first unit collector. The surface area of the inclined surface of the second unit collector is relatively larger than the surface area of the inclined surface of the first unit collector.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: January 15, 2019
    Assignee: LMS Co., LTD.
    Inventors: Jee Hong Min, Young Il Kim, Sung Sik Cho, Woo Jong Lee, Tae Jun Lee, Hee Jeong Kim, Joon Hwan Hwang
  • Patent number: 10132984
    Abstract: Disclosed is an optical sheet assembly comprising: a first optical sheet which comprises a first base film and a first optical pattern formed on the first base film, light being incident on the first base film; a second optical sheet which comprises a second base film and a second optical pattern formed on the second base film, the light exiting from the first optical sheet being incident thereon; and a third optical sheet which comprises a third base film and a third optical pattern formed on the third base film, the light exiting from the second optical sheet being incident thereon, wherein the first to third optical patterns perform light condensing or diffusing function, the first optical sheet is joined with the second optical sheet, and the second optical sheet is joined with the third optical sheet.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: November 20, 2018
    Assignee: LMS CO., LTD
    Inventors: Sung Sik Cho, Dong Cheol Lee, Tae Jun Lee, Hee Jeong Kim, Ki Wook Lee, Jang Hee Cho, Byoung Hun Lee
  • Patent number: 10018327
    Abstract: The present invention may relate to an optical sheet unit. According to an embodiment of the present invention, disclosed is an optical sheet unit comprising: a diffusion sheet for diffusing incident light such that the light can be uniformly emitted; a prism sheet unit arranged at the position facing the diffusion sheet to concentrate the light incident from the diffusion sheet; and a bonding layer formed between the prism sheet unit and the diffusion sheet to bond the entire surfaces of the prism sheet unit and the diffusion sheet facing each other.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: July 10, 2018
    Assignee: LMS CO., LTD
    Inventors: Sung Sik Cho, Oh Hyun Kwon, Tae Jun Lee, Woo Jong Lee, Hee Jeong Kim, Jee Hong Min, Young Il Kim
  • Publication number: 20160341882
    Abstract: A stacking-type optical sheet module includes an upper optical sheet having a first structural pattern with first unit light-condensing bodies successively repeated and cross-sectional areas gradually decreasing towards the top. A lower optical sheet has a second structural pattern and is below the upper optical sheet in a stack. Second and third unit light-condensing bodies are successively disposed in the second structural pattern. The second unit bodies have a gradually decreasing cross-sectional area toward the top and are joined with the upper optical sheet, and the third unit bodies have a gradually decreasing cross-sectional area toward the top, a vertical distance from a lowest to a highest portion thereof being relatively shorter than a corresponding vertical distance of the second unit bodies. A vertical angle of the highest portion of the second unit bodies is relatively smaller than a vertical angle of the highest portion of the third unit bodies.
    Type: Application
    Filed: January 6, 2015
    Publication date: November 24, 2016
    Inventors: Sung Sik CHO, Dong Cheol LEE, Tae Jun LEE, Hee Jeong KIM
  • Publication number: 20160334564
    Abstract: Disclosed is an optical sheet assembly comprising: a first optical sheet which comprises a first base film and a first optical pattern formed on the first base film, light being incident on the first base film; a second optical sheet which comprises a second base film and a second optical pattern formed on the second base film, the light exiting from the first optical sheet being incident thereon; and a third optical sheet which comprises a third base film and a third optical pattern formed on the third base film, the light exiting from the second optical sheet being incident thereon, wherein the first to third optical patterns perform light condensing or diffusing function, the first optical sheet is joined with the second optical sheet, and the second optical sheet is joined with the third optical sheet.
    Type: Application
    Filed: January 6, 2015
    Publication date: November 17, 2016
    Inventors: Sung Sik CHO, Dong Cheol LEE, Tae Jun LEE, Hee Jeong KIM, Ki Wook LEE, Jang Hee CHO, Byoung Hun LEE
  • Patent number: 9448342
    Abstract: Provided are an optical member having adhesion and elastic restoring force, and a light source device and a display device including the same, the optical member including: a base film; an optical pattern layer provided on the base film and having adhesion; and an upper film partially adhering onto the optical pattern layer, in which at least a partial region of the optical pattern layer has a characteristic in which the partial region is deformed when external force is applied and restored when the external force is removed, and it is easy to assemble a product to improve productivity, and the elastic restoring force is excellent to suppress damage due to the external force.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: September 20, 2016
    Assignee: LMS CO., LTD.
    Inventors: Jee Hong Min, Sung Sik Cho, Oh Hyun Kwon, Tae Jun Lee, Woo Jong Lee
  • Publication number: 20160014883
    Abstract: A flexible display device including; a base film; a display sheet formed over the base film; and a structural pattern formed below the base film for moving a neutral plane with respect to a bending stress applied to the display sheet to a layer having relatively low rupture point among the layers consisting of the display sheet. The neutral plane is moved to a layer having a relative low rupture point in a flexible display device by forming the structural patterns so that the bending stress applying to the layer having a relative low rupture point can be minimized.
    Type: Application
    Filed: March 3, 2014
    Publication date: January 14, 2016
    Inventors: Jang Hee CHO, Chang Hyo LEE, Sung Sik CHO, Yong il KIM, Joon Hwan HWANG
  • Publication number: 20150301265
    Abstract: A laminated optical sheet module includes: an upper optical sheet having a first structure pattern in which a first unit light collector having an inclined surface, the cross-section area of which decrease when progressing upwardly, is continuously repeated; and a lower optical sheet laminated beneath the upper optical sheet and having a second structure pattern in which a second unit light collector having an inclined surface, the cross-sectional area of which decreases when progressing upwardly, is continuously repeated. The vertical distance between the lowermost portion and the uppermost portion of the second unit collector is greater than the vertical distance between the lowermost portion and the uppermost portion of the first unit collector. The surface area of the inclined surface of the second unit collector is relatively larger than the surface area of the inclined surface of the first unit collector.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 22, 2015
    Inventors: Jee Hong Min, Young Il Kim, Sung Sik Cho, Woo Jong Lee, Tae Jun Lee, Hee Jeong Kim, Joon Hwan Hwang
  • Publication number: 20150301264
    Abstract: An optical sheet module consisting of optical sheets having different thicknesses, includes: a first base film having a predetermined thickness and transmitting light from a lower portion thereof through an upper portion thereof; an upper optical sheet formed on the first base film and having a first structural pattern in which the upper optical sheet protrudes upwardly and the cross-sectional area thereof decreases when progressing toward an upper portion thereof; a second based film laminated beneath the upper optical sheet so as to transmit light from a lower portion thereof to the upper optical sheet; and a lower optical sheet formed on the second base film and having a second structural pattern in which the lower optical sheet protrudes toward the upper optical sheet and the cross-sectional area thereof decreases when progressing toward an upper portion thereof. The first base film is relatively thicker than the second base film.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 22, 2015
    Inventors: Jee Hong Min, Young Il Kim, Sung Sik Cho, Woo Jong Lee, Tae Jun Lee, Hee Jeong Kim, Yong Jin Kang
  • Patent number: 9052498
    Abstract: There is disclosed a multilayer optical sheet module including an upper optical sheet comprising a first structural pattern projected upward; a lower optical sheet disposed under the upper optical sheet, the lower optical sheet comprising a second structural pattern projected toward the upper optical sheet; and an adhesion layer provided between the upper optical sheet and the lower optical sheet, wherein the second structural pattern includes a light transmitting part having a traverse cross section getting smaller along an upward direction; and an embedded part continuously connected to an upper portion of the light transmitting part, with a predetermined portion embedded in the adhesion layer, and a circumference of a cross section possessed by the embedded part, contacting with the adhesion layer, is larger than a circumference of a virtual cross section locus formed by extending the light transmitting part upward, with a continuous slope.
    Type: Grant
    Filed: December 8, 2012
    Date of Patent: June 9, 2015
    Assignee: LMS CO., LTD.
    Inventors: Jee Hong Min, Young Il Kim, Sung Sik Cho, Woo Jong Lee, Tae Jun Lee, Hee Jeong Kim, Joon Hwan Hwang, Sung Min Cho, Oh Hyun Kwon, Jin Gil Jeong