Patents by Inventor Sungtae AN

Sungtae AN 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: 20180177699
    Abstract: Disclosed in the present specification are: a skin whitening composition having a skin whitening effect by controlling the secretion of exosomes to be secreted from melanocytes; and a method for screening for materials having a skin whitening effect. The skin whitening composition can promote apoptosis of melanocytes by inhibiting the amount of secretion of exosomes to be secreted from melanocytes, and consequently inhibits the generation of melanin through the apoptosis of melanocytes, thereby exhibiting a skin whitening effect.
    Type: Application
    Filed: June 15, 2016
    Publication date: June 28, 2018
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Bum-Ho BIN, Eun-Gyung CHO, Eun-Jeong CHOI, Sungtae KIM, Suhyeon CHOI, Taeryong LEE
  • Patent number: 10009683
    Abstract: The present disclosure relates to a display device for generating sound by directly vibrating a display panel thereof, which includes a display panel connected to a surface of the display panel and configured to display an image; and a sound generating actuator, which is fixed to a support structure of the display panel and attached to the display panel to directly vibrate the display panel. In the display device, the progressing direction of the sound coincides with the image output direction in the display device. Therefore, sound localization or sound output characteristics of the display device or set apparatus can be improved, and a separate speaker is not required, the mechanism of the set apparatus can be easily designed, and a thickness thereof can be easily reduced.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: June 26, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: YeongRak Choi, ChangHo Oh, KwanHo Park, Sungtae Lee
  • Patent number: 9998839
    Abstract: Disclosed in the present specification are a multimedia apparatus for servicing an optimized sound depending on the surrounding environment and a method for processing an audio signal thereof. The method for processing an audio signal of the multimedia apparatus, according to the present invention, comprises the steps of: receiving an external test sound; analyzing the frequency properties of the received test sound; calculating a compensation value of the test sound according to the analyzed frequency properties; compensating an audio signal to be output, according to the calculated compensation value; and outputting the compensated audio signal.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: June 12, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Sungtae Lee, Jinhong Shin
  • Publication number: 20180053813
    Abstract: Embodiments of the present disclosure relate to an organic light emitting display device which directly vibrates an organic light emitting display panel to generate sound, and includes: an organic light emitting display panel including a light emitting layer including an organic light emitting material layer and an encapsulation layer disposed at one side of the light emitting layer; and a sound generating actuator in direct contact with the organic light emitting display panel to vibrate the organic light emitting display panel to generate sound. Especially, the organic light emitting display panel is a bottom emission type device, and thus can prevent generation of a weighted color mixing phenomenon in a wide viewing angle at the time of panel vibration and reduce the thickness or weight of the panel to thereby enhance the sound generation characteristic.
    Type: Application
    Filed: October 16, 2017
    Publication date: February 22, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: YeongRak CHOI, ChangHo OH, KwanHo PARK, Sungtae LEE
  • Patent number: 9882358
    Abstract: A transportation device of a withdrawal circuit breaker, including a girder assembly mounted on a front surface of a truck and configured to draw-in or draw-out the truck, a body plate formed in a box type having an opened rear side and coupled to the girder assembly, a pair of sliding plates slidably disposed within the body plate, and a rotational plate rotatably disposed between the sliding plates, wherein the transportation device further includes a stopper protruded at one side of the rotational plate and configured to restrict one of the sliding plates and a connection link having one end rotatably coupled to one end of the rotational plate and another end rotatably coupled to another end of one of the sliding plates.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: January 30, 2018
    Assignee: LSIS CO., LTD.
    Inventor: Sungtae Kim
  • Patent number: 9818805
    Abstract: Embodiments of the present disclosure relate to an organic light emitting display device which directly vibrates an organic light emitting display panel to generate sound, and includes: an organic light emitting display panel including a light emitting layer including an organic light emitting material layer and an encapsulation layer disposed at one side of the light emitting layer; and a sound generating actuator in direct contact with the organic light emitting display panel to vibrate the organic light emitting display panel to generate sound. Especially, the organic light emitting display panel is a bottom emission type device, and thus can prevent generation of a weighted color mixing phenomenon in a wide viewing angle at the time of panel vibration and reduce the thickness or weight of the panel to thereby enhance the sound generation characteristic.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: November 14, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: YeongRak Choi, ChangHo Oh, KwanHo Park, Sungtae Lee
  • Publication number: 20170299401
    Abstract: The present disclosure provides charging station guide apparatus and method. The charging station guide apparatus includes: a global positioning system (GPS) receiving a GPS signal transmitted from a GPS satellite; a storage unit storing charging station information including map information and charging station position information; a control unit generating a first display window including a vehicle object representing vehicle position information and a charging station position object representing charging station position information based on the GPS signal, the map information, and the charging station information, generating a second display window including a charging station distance object representing charging station distance information, and also generating an image so that the second display window overlaps with one end of the first display window; and a display unit displaying an image generated from the control unit.
    Type: Application
    Filed: November 29, 2016
    Publication date: October 19, 2017
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Hye Jin CHOI, Sang Yeon LIM, Jake GIN, Yeonji KIM, Yongho LEE, Jeong Won LEE, Hyun Seung YANG, Sungtae CHO
  • Publication number: 20170289694
    Abstract: The present embodiment relates to a double-faced display device generating sound by directly vibrating a display panel and includes: a first display panel and a second display panel disposed at the front and rear surface thereof, respectively; a single sound generating actuator connected to the first display panel and the second display panel to simultaneously vibrate the first display panel and the second display panel and thus generate sound; and a support part configured to support the sound generating actuator, the first display panel, and the second display panel. The present embodiment does not require a separate speaker and thus can achieve a thin or slim display device, and can improve the localization or the quality of sound output in opposite directions in the double-faced display device.
    Type: Application
    Filed: November 1, 2016
    Publication date: October 5, 2017
    Inventors: YeongRak CHOI, Sungtae LEE
  • Publication number: 20170287990
    Abstract: Embodiments of the present disclosure relate to an organic light emitting display device which directly vibrates an organic light emitting display panel to generate sound, and includes: an organic light emitting display panel including a light emitting layer including an organic light emitting material layer and an encapsulation layer disposed at one side of the light emitting layer; and a sound generating actuator in direct contact with the organic light emitting display panel to vibrate the organic light emitting display panel to generate sound. Especially, the organic light emitting display panel is a bottom emission type device, and thus can prevent generation of a weighted color mixing phenomenon in a wide viewing angle at the time of panel vibration and reduce the thickness or weight of the panel to thereby enhance the sound generation characteristic.
    Type: Application
    Filed: December 22, 2016
    Publication date: October 5, 2017
    Inventors: YeongRak CHOI, ChangHo OH, KwanHo PARK, Sungtae LEE
  • Publication number: 20170280243
    Abstract: Disclosed is a display device that includes a display panel, sound generating actuators including a first sound generating actuator in a first area of the display panel and a second sound generating actuator in a second area of the display panel, the first and second sound generating actuators configured to vibrate the display panel to generate sound, and a partition between the first sound generating actuator and the second sound generating actuator.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 28, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, KwanHo PARK, Sungtae LEE
  • Publication number: 20170280234
    Abstract: The present disclosure relates to a display device for generating sound by directly vibrating a display panel thereof, which includes a display panel connected to a surface of the display panel and configured to display an image; and a sound generating actuator, which is fixed to a support structure of the display panel and attached to the display panel to directly vibrate the display panel. In the display device, the progressing direction of the sound coincides with the image output direction in the display device. Therefore, sound localization or sound output characteristics of the display device or set apparatus can be improved, and a separate speaker is not required, the mechanism of the set apparatus can be easily designed, and a thickness thereof can be easily reduced.
    Type: Application
    Filed: December 9, 2016
    Publication date: September 28, 2017
    Inventors: YeongRak CHOI, ChangHo OH, KwanHo PARK, Sungtae LEE
  • Publication number: 20170280217
    Abstract: A display device includes a display panel; a support structure at a rear of the display panel; a sound generation actuator supported by the support structure and configured to vibrate the display panel to generate sound; and a cap member surrounding the sound generation actuator and secured to the support structure at an area of the support structure, the area being near the sound generation actuator.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 28, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, Sungtae LEE
  • Publication number: 20170280246
    Abstract: The present embodiments relates to a display panel configured to display images, a plurality of sound generating actuators in a plurality of sound output areas, the sound generating actuators configured to vibrate the display panel to generate sound, and a partition that is between each of the plurality of sound output areas and surrounds at least one of the plurality of sound output areas.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 28, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, KwanHo PARK, Sungtae LEE, Kwangho KIM
  • Publication number: 20170280216
    Abstract: A display device includes a display panel having first, second, and third areas; at least three sound generating actuators including first, second, and third actuators each spaced apart from the other two in a long axis direction of the display panel, wherein the first, second, and third actuators each contact the display panel at the first, second, and third areas, respectively, to generate sound by vibrating the display panel; and a support structure at a rear side of the display panel configured to support the at least three sound generating actuators.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 28, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sungtae LEE, YeongRak CHOI
  • Publication number: 20170280215
    Abstract: Provided are an actuator fixing device and a panel vibration type sound-generating display device including the same. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, and a plurality of sound-generating actuators supported by the cover bottom, the sound-generating actuators being configured to vibrate the display panel to generate sound, at least two of the sound-generating actuators being adjacent to each other.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 28, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Kwangho KIM, MyungJin BAE
  • Publication number: 20170280249
    Abstract: Provided is a panel vibration type sound-generating display device. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, a sound-generating actuator supported by the cover bottom, the sound-generating actuator configured to vibrate the display panel to generate sound, and a sealing member between an outer peripheral portion of the sound-generating actuator and an outer surface of the cover bottom.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 28, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, Sungtae LEE
  • Publication number: 20170257715
    Abstract: Disclosed in the present specification are a multimedia apparatus for servicing an optimized sound depending on the surrounding environment and a method for processing an audio signal thereof. The method for processing an audio signal of the multimedia apparatus, according to the present invention, comprises the steps of: receiving an external test sound; analyzing the frequency properties of the received test sound; calculating a compensation value of the test sound according to the analyzed frequency properties; compensating an audio signal to be output, according to the calculated compensation value; and outputting the compensated audio signal.
    Type: Application
    Filed: May 18, 2015
    Publication date: September 7, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Sungtae LEE, Jinhong SHIN
  • Publication number: 20170194774
    Abstract: A transportation device of a withdrawal circuit breaker, including a girder assembly mounted on a front surface of a truck and configured to draw-in or draw-out the truck, a body plate formed in a box type having an opened rear side and coupled to the girder assembly, a pair of sliding plates slidably disposed within the body plate, and a rotational plate rotatably disposed between the sliding plates, wherein the transportation device further includes a stopper protruded at one side of the rotational plate and configured to restrict one of the sliding plates and a connection link having one end rotatably coupled to one end of the rotational plate and another end rotatably coupled to another end of one of the sliding plates.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 6, 2017
    Applicant: LSIS CO., LTD.
    Inventor: Sungtae KIM
  • Publication number: 20170018790
    Abstract: The present invention relates to a stack protection method in case of emergency shut down or black out in a solid oxide fuel cell system and, more particularly, to a system and a method for, if supply of fuel gas and water to an anode channel of a stack is discontinued due to emergency shut down or black out, etc. in a solid oxide fuel cell system, preventing an anode from being contaminated by oxygen in the air and preventing re-oxidation of an anode material from occurring and cracks from forming on the stack due to the contamination. A fuel cell according to the present invention is disposed in a hot box along with a fuel cell stack, and has an auxiliary vaporizer which vaporizes and supplies, to a stack anode, water supplied from a water reservoir tank by a water level difference.
    Type: Application
    Filed: February 26, 2015
    Publication date: January 19, 2017
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Jong Shik Chung, Sungtae Park
  • Patent number: 9462428
    Abstract: The present invention is related to a mobile terminal, a communication system, and a method for managing a missing mode using the same. The present invention describes a mobile terminal comprising a communication unit, memory configured to store information relating to being lost including a message notifying of being lost and a controller, if a first communication function is carried out through the communication unit with a second terminal as a receiver while a missing mode is activated through the communication unit by a remote control from a first terminal, configured to transfer the information relating to being lost to the second terminal; and a communication system including the mobile terminal and provides a method for managing a missing mode using the same.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: October 4, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Jihye Yu, Sangyeon Lim, Sungtae Cho, Seungkwon Ahn, Seungsook Han