Patents by Inventor Yeon Choi

Yeon Choi 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: 11233176
    Abstract: A semiconductor device according to an embodiment may include a light emitting structure, a first electrode, a second electrode, a first insulating reflective layer, a second insulating reflective layer, a first bonding pad, and a second bonding pad. The light emitting structure may include a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. The first insulating reflective layer may be disposed on the first electrode and the second electrode, and may include a first opening exposing an upper surface of the first electrode. The second insulating reflective layer may be disposed on the first electrode and the second electrode, and disposed spaced apart from the first insulating reflective layer, and may include a second opening exposing an upper surface of the second electrode. The first bonding pad may be electrically connected to the first electrode through the first opening.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: January 25, 2022
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Chang Hyeong Lee, Gyu Hyeong Bak, Yong Seon Song, Byung Yeon Choi, Sung Min Hwang
  • Patent number: 11169629
    Abstract: A touch screen and a display device having the same are disclosed. The touch screen includes an insulating substrate including a sensing region and a peripheral region, a plurality of sensing electrodes disposed in the sensing region, a plurality of wirings disposed in the peripheral region and electrically connected to the plurality of sensing electrodes, a plurality of pads disposed in the peripheral region and electrically connected to the plurality of wirings, an optical film disposed on an upper portion of the plurality of sensing electrodes, a flexible circuit board electrically connected to the plurality of pads, and a reinforcing member disposed on the flexible circuit board corresponding to the plurality of pads, wherein a first height measured from the insulating substrate to an upper surface of the reinforcing member is equal to a second height measured from the insulating substrate to an upper surface of the optical film.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: November 9, 2021
    Inventors: Ji Yeon Baek, Mi Young Kim, Chang Bum Kim, Jung Mok Park, Young Seok Yoo, Byeong Kyu Jeon, Hee Yeon Choi
  • Publication number: 20210334502
    Abstract: A fingerprint sensor includes a substrate, a sensor pixel disposed on the substrate and including a light sensing element through which a sensing current flows according to an amount of incident light, a light-blocking conductive layer disposed on the sensor pixel and including a plurality of holes, a first fingerprint pad disposed on the substrate, and a conductive connector connected to the first fingerprint pad and to which a predetermined voltage is applied. The light-blocking conductive layer is electrically connected to the conductive connector.
    Type: Application
    Filed: February 8, 2021
    Publication date: October 28, 2021
    Inventors: JEONG HEON LEE, YOUNG SIK KIM, JUNG HAK KIM, KYO WON KU, HEE YEON CHOI
  • Patent number: 11094865
    Abstract: A semiconductor device according to the embodiment may include a light emitting structure including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer; a first bonding pad disposed on the light emitting structure and electrically connected to the first conductivity type semiconductor layer; a second bonding pad disposed on the light emitting structure and spaced apart from the first bonding pad, and electrically connected to the second conductivity type semiconductor layer; and a reflective layer disposed on the light emitting structure and disposed between the first bonding pad and the second bonding pad. According to the semiconductor device of the embodiment, each of the first bonding pad and the second bonding pad includes a porous metal layer having a plurality of pores and a bonding alloy layer disposed on the porous metal layer.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: August 17, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Byung Yeon Choi, Chang Hyeong Lee, Sung Min Hwang
  • Patent number: 11086066
    Abstract: The present invention provides an integrated optical sheet module where an optical sheet is integrally formed without a diffusion sheet, a condensing sheet and a reflective polarizing sheet thereby reducing the overall thickness and improving the viewing angle, so that a manufacturing process can be simplified and significantly improve the left to right viewing angle while minimizing the brightness drop by forming the first base film having the viewing angle improvement component on the bottom surface with a haze characteristic.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: August 10, 2021
    Assignee: LMS CO., LTD
    Inventors: Jee Hong Min, Se Jin Oh, Dong Cheol Lee, Woo Jong Lee, Jin Yeon Choi, Min Ho Kim, Du Yi Kim
  • Publication number: 20210237001
    Abstract: A pore-filled ion exchange polyelectrolyte composite membrane from which the surface ion exchange polyelectrolyte has been removed and a method of manufacturing the same are provided. The ion exchange polyelectrolyte composite membrane exhibits low film resistance and low in-plane-direction swelling degree, and has a smaller film-thickness than a commercial film, and thus, can be used for various purposes. In addition, since the pore-filled ion exchange polyelectrolyte composite membrane is continuously manufactured through a roll-to-roll process, the manufacturing process is simple, and manufacturing costs can be greatly reduced.
    Type: Application
    Filed: April 29, 2019
    Publication date: August 5, 2021
    Inventors: Young Woo Choi, Mi Soon Lee, Tae Young Kim, Young Gi Yoon, Beom Jun Kim, Min Ho Seo, Chi Young Jung, Jong Min Lee, Nam-jo Jeong, Seung Cheol Yang, Ji Yeon Choi
  • Patent number: 11063196
    Abstract: A semiconductor device according to the embodiment may include a light emitting structure including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer; a first bonding pad disposed on the light emitting structure and electrically connected to the first conductivity type semiconductor layer; a second bonding pad disposed on the light emitting structure and spaced apart from the first bonding pad, and electrically connected to the second conductivity type semiconductor layer; and a reflective layer disposed on the light emitting structure and disposed between the first bonding pad and the second bonding pad. According to the semiconductor device of the embodiment, each of the first bonding pad and the second bonding pad includes a porous metal layer having a plurality of pores and a bonding alloy layer disposed on the porous metal layer.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: July 13, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Byung Yeon Choi, Chang Hyeong Lee, Sung Min Hwang
  • Patent number: 11053850
    Abstract: A gas turbine includes a turbine blade including a leading edge, a trailing edge, and a plurality of partition walls defining a cooling passage for passing cooling air inside the turbine blade, a first partition wall of the plurality of partition walls facing the leading edge; and an injection nozzle disposed in the first partition wall to cool an inner surface of the leading edge. The injection nozzle includes a nozzle protrusion protruding from the first partition wall toward the leading edge and surrounding an injection hole formed in the first partition wall. Thus, a flow direction of cooling fluid to be supplied to the leading edge can be guided, and deformation and damage to turbine blade components can be prevented.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: July 6, 2021
    Inventor: Jae Yeon Choi
  • Publication number: 20210190029
    Abstract: An electric power generation system of the present invention comprises an upper reservoir for storing water, a lower reservoir for storing water dropped from the upper reservoir, a pressure chamber for pressurizing and spouting water falling from the upper reservoir, an electric generator formed to be driven by a water turbine rotating by the spouted water and a capacitor, a preliminary power generation equipment that generates electricity using water bypassed from the upper reservoir and water supplied from the outside to charge the capacitor, and a pump that is driven by the capacitor and is formed to pump water from the lower reservoir to the upper reservoir, said electric generator includes an internal power electric generator that supplies the generated power to devices inside the system, and an external power electric generator that supplies the generated power to the outside of the system.
    Type: Application
    Filed: November 7, 2017
    Publication date: June 24, 2021
    Inventor: Ji Yeon CHOI
  • Patent number: 11044358
    Abstract: Disclosed is a method of operating a mobile terminal that is capable of interworking with a server, and the method includes: displaying a first user interface (UI) for managing a to-do list of a terminal user on a display unit; registering a task to be performed by the terminal user as a to-do item in the to-do list based on user information input through the first UI, and managing the plurality of to-do items registered in the to-do list; and when at least one of the plurality of to-do items is selected, performing an operation related to a task corresponding to the selected to-do item.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: June 22, 2021
    Assignee: NAVER CORPORATION
    Inventors: Sung Joon Won, Seung Yeon Choi, Yong Kee Hong, Won Sik Sung
  • Publication number: 20210135059
    Abstract: A semiconductor device according to an embodiment may include a light emitting structure, a first electrode, a second electrode, a first insulating reflective layer, a second insulating reflective layer, a first bonding pad, and a second bonding pad. The light emitting structure may include a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. The first insulating reflective layer may be disposed on the first electrode and the second electrode, and may include a first opening exposing an upper surface of the first electrode. The second insulating reflective layer may be disposed on the first electrode and the second electrode, and disposed spaced apart from the first insulating reflective layer, and may include a second opening exposing an upper surface of the second electrode. The first bonding pad may be electrically connected to the first electrode through the first opening.
    Type: Application
    Filed: January 18, 2018
    Publication date: May 6, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Chang Hyeong LEE, Gyu Hyeong BAK, Yong Seon SONG, Byung Yeon CHOI, Sung Min HWANG
  • Patent number: 10938223
    Abstract: A battery charging and discharging apparatus includes power converters connected in series and configured to convert respective output voltages of batteries corresponding to the power converters. Each of the power converters may include direct current to direct current (DC/DC) converters connected in parallel. The apparatus may further include a controller configured to control magnitudes of respective output voltages of the power converters based on respective states of the batteries.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: March 2, 2021
    Assignees: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Jinyong Jeon, Taejung Yeo, Seong Chon Choi, Soon Ryung Lee, Bong Yeon Choi
  • Publication number: 20210054335
    Abstract: A method for increasing dendritic cell migration ability, and a use thereof are disclosed. A method according to one aspect can increase the migration ability of mature dendritic cells and increase the induction, by dendritic cells, of inflammatory cytokine production, T lymphocyte proliferation and T lymphocyte polarization, and thus can be used for the prevention or treatment of immune-related diseases.
    Type: Application
    Filed: January 28, 2019
    Publication date: February 25, 2021
    Applicant: CHA UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Dae Seog LIM, Su Yeoun PARK, Jun Ho LEE, So Yeon CHOI, Ji Young YOO, Nam Chul JUNG
  • Publication number: 20200316354
    Abstract: Disclosed is an energy self-sufficient real time bio-signal monitoring and nutrient and/or drug delivery system based on salinity gradient power generation. The energy self-sufficient real time bio-signal monitoring and/or nutrient delivery system based on salinity gradient power generation includes: an electricity generation and nutrient and/or drug delivery module including a reverse electrodialysis device which generates electricity by using a nutrient and/or drug solution and discharge a diluted nutrient solution; and a bio-signal measuring unit inserted into the electricity generation and nutrient and/or drug delivery module and configured to receive electricity from the electricity generation and nutrient and/or drug delivery module and measure a bio-signal.
    Type: Application
    Filed: February 2, 2018
    Publication date: October 8, 2020
    Inventors: Nam-jo JEONG, Ji Yeon CHOI, Han-Ki KIM, Seung Cheol YANG, Kyo Sik HWANG, Ji Hyung HAN, Joo-Youn NAM, Eun-Jin JWA, Soon-Chul PARK, Yong-Seog SEO, Moon-Seok JANG
  • Publication number: 20200292747
    Abstract: The present invention provides an integrated optical sheet module where an optical sheet is integrally formed without a diffusion sheet, a condensing sheet and a reflective polarizing sheet thereby reducing the overall thickness and improving the viewing angle, so that a manufacturing process can be simplified and significantly improve the left to right viewing angle while minimizing the brightness drop by forming the first base film having the viewing angle improvement component on the bottom surface with a haze characteristic.
    Type: Application
    Filed: September 18, 2018
    Publication date: September 17, 2020
    Applicant: LMS Co., Ltd
    Inventors: Jee Hong MIN, Se Jin OH, Dong Cheol LEE, Woo Jong LEE, Jin Yeon CHOI, Min Ho KIM, Du Yi KIM
  • Publication number: 20200203566
    Abstract: A semiconductor device according to an embodiment may include: a light emitting structure; a light transmitting electrode layer disposed on the light emitting structure; and a reflective layer disposed on the light transmitting electrode layer and including a plurality of first openings and a plurality of second openings. The semiconductor device according to the embodiment may include: a first electrode in contact with a first conductivity type semiconductor layer of the light emitting structure; and a second electrode in contact with the light transmitting electrode layer through the plurality of first openings.
    Type: Application
    Filed: August 24, 2018
    Publication date: June 25, 2020
    Inventors: Chang Hyeong LEE, June O SONG, Tae Sung LEE, Chang Man LIM, Se Yeon JUNG, Byung Yeon CHOI, Sung Min HWANG
  • Patent number: 10610467
    Abstract: Disclosed are: a lightening composition comprising ginseng-derived exosome-like vesicles; and a method for producing the ginseng-derived exosome-like vesicles. The ginseng-derived exosome-like vesicles may have a diameter of between 20 and 500 nm, and may be isolated from ginseng root. Because the composition comprises the ginseng-derived exosome-like vesicles as an active ingredient, said composition is effective in preventing, improving or treating skin pigmentation conditions such as liver spots, freckles, lentigo, birth marks and melanoma by effectively suppressing the production of melanin.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: April 7, 2020
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Suh-Yeon Choi, Eun-Jeong Choi, Bum-Ho Bin, Kyeonghwan Hwang, Eun-Gyung Cho, Tae Ryong Lee
  • Patent number: 10615611
    Abstract: A battery charging and discharging apparatus includes power converters connected in series and configured to convert respective output voltages of batteries corresponding to the power converters. Each of the power converters may include direct current to direct current (DC/DC) converters connected in parallel. The apparatus may further include a controller configured to control magnitudes of respective output voltages of the power converters based on respective states of the batteries.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: April 7, 2020
    Assignees: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Jinyong Jeon, Taejung Yeo, Seong Chon Choi, Soon Ryung Lee, Bong Yeon Choi
  • Patent number: 10600945
    Abstract: The light emitting device package disclosed in the embodiment includes: first and second frames having first and second through holes; a body disposed between the first and second frames; a light emitting device including a first bonding pad and a second bonding pad; and a conductive part in the first and second through holes. wherein at least one of the first and second bonding pads faces the first and second frames and overlaps with the first and second through holes and includes a contact region contacting the conductive part and a first non-contact non-contacting the conducive part.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: March 24, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Man Lim, Ki Seok Kim, Young Shin Kim, June O Song, Ju Hyeon Oh, Chang Hyeong Lee, Tae Sung Lee, Se Yeon Jung, Byung Yeon Choi, Sung Min Hwang
  • Publication number: 20200089347
    Abstract: A touch screen and a display device having the same are disclosed. The touch screen includes an insulating substrate including a sensing region and a peripheral region, a plurality of sensing electrodes disposed in the sensing region, a plurality of wirings disposed in the peripheral region and electrically connected to the plurality of sensing electrodes, a plurality of pads disposed in the peripheral region and electrically connected to the plurality of wirings, an optical film disposed on an upper portion of the plurality of sensing electrodes, a flexible circuit board electrically connected to the plurality of pads, and a reinforcing member disposed on the flexible circuit board corresponding to the plurality of pads, wherein a first height measured from the insulating substrate to an upper surface of the reinforcing member is equal to a second height measured from the insulating substrate to an upper surface of the optical film.
    Type: Application
    Filed: April 16, 2019
    Publication date: March 19, 2020
    Inventors: Ji Yeon BAEK, Mi Young KIM, Chang Bum KIM, Jung Mok PARK, Young Seok YOO, Byeong Kyu JEON, Hee Yeon CHOI