Patents by Inventor Jung-Keun Park

Jung-Keun Park 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: 20230365785
    Abstract: A surface-treated inorganic nanoparticle including an inorganic nanoparticle, a first dispersant connected to the inorganic nanoparticle, and a second dispersant connected to the inorganic nanoparticle, wherein a molecular weight (MW) of the first dispersant is different from a molecular weight (MW) of the second dispersant.
    Type: Application
    Filed: December 28, 2022
    Publication date: November 16, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seong Chan PARK, Jung Hyun LEE, Eun Jung LIM, Young O KIM, Chang Hyun YOON, Choon Keun LEE
  • Patent number: 11787789
    Abstract: The present invention provides the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the organic electric element can be improved.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: October 17, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun Park, Won Sam Kim, Jung Hwan Park, Hak Young Lee, Min Ji Jo
  • Publication number: 20230316994
    Abstract: A display device includes: a plurality of pixel blocks each including a plurality of pixels; a scan driver supplying a scan signal to the scan lines and to supply a control signal to the control lines; a data driver supplying an image data voltage or a low grayscale data voltage to the data lines; and a power supply supplying a reference voltage to the pixels, wherein the pixels are configured to receive the image data voltage during a first scan period of a frame, and to receive the low grayscale data voltage during a second scan period of the frame, and the reference voltage supplied to a first pixel row of at least one of the pixel blocks in the first scan period is different from the reference voltage supplied to a last pixel row of at least one of the pixel blocks in the first scan period.
    Type: Application
    Filed: June 1, 2023
    Publication date: October 5, 2023
    Inventors: Jung Taek KIM, Sang Su HAN, Kyun Ho KIM, Hyung Keun PARK, Joon Suk BAIK, Se Keun LEE
  • Patent number: 11756474
    Abstract: A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Su Han, Kyun Ho Kim, Seong Jun Kim, Jung Taek Kim, Hyung Keun Park, Joon Suk Baik, Se Keun Lee
  • Patent number: 11747867
    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: May 23, 2022
    Date of Patent: September 5, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Yoon Kim, Jung Jin Kim, Young Sun Park, Chung Keun Yoo
  • Patent number: 11749208
    Abstract: A display device includes: a pixel connected to each of a first scan line, a second scan line, and a data line; a scan driver supplying a first scan signal to the first scan line and a second scan signal to the second scan line; a controller dividing one frame period into an active period and a blank period and generating a count signal in which a time duration of the blank period is counted and a power control signal; a data driver supplying a data signal to the data line; and a power supply controlling a source driving voltage supplied to the data driver according to a duration of the blank period based on the power control signal. When the count signal reaches a reference value, the controller supplies a start signal for output of the first scan signal to the scan driver.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: September 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyun Ho Kim, Jung Taek Kim, Hong Kyu Kim, Hyung Keun Park, Joon Suk Baik, Young Soo Sohn, Yong Jin Shin, Se Keun Lee
  • Publication number: 20230272015
    Abstract: The present invention relates to a vaccine composition for preventing severe acute respiratory syndrome coronavirus 2 infection. The vaccine composition for preventing severe acute respiratory syndrome coronavirus 2 infection according to the present invention comprises spike and ORF3a or nucleocapsid as an antigen against SARS-CoV-2. The vaccine composition has a significant effect of inducing antibody immune responses and T-cell immune responses by a plurality of co-expressed antigens compared to those comprising one antigen, and thus can be variously used in the field of prevention of severe acute respiratory syndrome coronavirus 2 infection.
    Type: Application
    Filed: July 19, 2021
    Publication date: August 31, 2023
    Inventors: Young Keun Park, Byung Mun Cho, Moon Sup Jeong, Hyo Jin Lee, Song Yion Yeu, Young Ran Cho, Bo Yeong Park, Areum Gil, Bo Hyun Jeon, Ye Eun Oh, Gee Ho Park, Joel Maslow, Christine Claire Roberts, Mi Young KIM, Jung Ah Lee, Hee Ji Lim, Yun Ho Hwang
  • Patent number: 11732098
    Abstract: The present application relates to a block copolymer and a use thereof. The present application can provide a laminate which is capable of forming a highly aligned block copolymer on a substrate and thus can be effectively applied to production of various patterned substrates, and a method for producing a patterned substrate using the same.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: August 22, 2023
    Inventors: Mi Sook Lee, Se Jin Ku, No Jin Park, Jung Keun Kim, Je Gwon Lee, Hyung Ju Ryu, Eun Young Choi
  • Publication number: 20230255078
    Abstract: A light emitting device is capable of improving the efficiency in the visible light wavelength in a structure in which light extraction efficiency is improved through a microlens array. The light emitting display device includes a substrate having a plurality of subpixels, each comprising a light emitting region and a non-light emitting region, an over-coating layer having irregularities on a surface thereof in at least the light emitting region, and a light emitting device disposed on the surface of the over-coating layer, the light emitting device comprising an anode and a cathode facing each other, and at least two blue stacks and a phosphorescent stack between the anode and the cathode, at least one of the blue stacks is the blue light emitting layer and includes an electron transport layer including a first material, the electron transport layer being in contact with the blue light emitting layer.
    Type: Application
    Filed: December 9, 2022
    Publication date: August 10, 2023
    Inventors: Wook Song, Yu Jeong Lee, Byung Gun Ahn, Mi Young Han, Chun Ki Kim, Sae Mi Park, Jung Keun Kim, Byung Soo Kim
  • Patent number: 11722907
    Abstract: Provided is a method and apparatus for determining an operating condition for frequency coexistence and an operating condition determining method includes a method of calculating and transferring an inference-free available frequency and an output level to an existing radio station that operates and needs to be protected or a method of calculating a channel access parameter for sharing a frequency with a heterogeneous device, a network, or a system.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: August 8, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jung Sun Um, Bong-Su Kim, Igor Kim, Seung Keun Park
  • Patent number: 11711972
    Abstract: Provided are an organic electronic element comprising an anode, a cathode, and an organic material layer between the anode and the cathode, and an electronic device comprising the organic electronic element, wherein the organic material layer includes a compound of P-1 to P-16 and Formula 2, therefore the driving voltage of the organic electronic element can be lowered and the luminous efficiency and lifespan can be improved.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: July 25, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Sun Hee Lee, Jung Geun Lee, Hyoung Keun Park
  • Publication number: 20230221574
    Abstract: A sensor shifting actuator includes a fixed body; a moving body disposed in the fixed body and including an image sensor having an imaging surface; a supporting substrate disposed in the fixed body and configured to support the moving body so that the moving body is movable with respect to the fixed body in first and second directions parallel to the imaging surface of the image sensor; and a driver configured to move the moving body in either one or both of the first and second directions. The supporting substrate includes a movable portion coupled to the moving body, a fixed portion coupled to the fixed body, and a connection portion disposed between the movable portion and the fixed portion. The movable portion and the connection portion are movable together in the first direction, and the movable portion is movable with respect to the connection portion in the second direction.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 13, 2023
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Ho KIM, Jung Hyun PARK, Dong Hoon LEE, Sang Hyun JI, Do Hwan KIM, Nam Keun OH
  • Publication number: 20230217815
    Abstract: A light emitting device and a light emitting display including the same. The light emitting device includes an anode and a cathode facing each other, a first stack and a second stack disposed between the anode and the cathode, the first stack including a first electron transport layer comprising a first material represented by Formula 1, a first blue light emitting layer containing a boron-based compound emitting light having a wavelength of 430 nm to 480 nm, and a first electron-blocking layer including a second material including a spirofluorene group, and at least one hydrogen atom on at least one side of the spirofluorene group is substituted by deuterium, and the second stack including at least two phosphorescent light emitting layers emitting light having a longer wavelength than that of the light emitted by the first blue light emitting layer, and a charge generation layer.
    Type: Application
    Filed: December 12, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Wook SONG, Min Hyeong HWANG, Myeong Seon CHO, Chun Ki KIM, Sae Mi PARK, Young Jun YU, Jung Keun KIM, Byung Soo KIM, Sang Beom KIM
  • Publication number: 20230217816
    Abstract: Disclosed is a light emitting device capable of improving color purity and luminance, reducing a material driving voltage, and exhibiting a longer lifespan by changing the configuration of a green stack. The light emitting device includes a first electrode and a second electrode facing each other, and a light emitting unit including a p-type charge generation layer, a hole transport layer, and a green light emitting layer, which are sequentially stacked, wherein the green light emitting layer includes a triazine-based compound as a host and a phosphorescent dopant.
    Type: Application
    Filed: December 19, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Wook SONG, Myeong Seon CHO, Sae Mi PARK, Jung Keun KIM, Do Han KIM, Byung Soo KIM, Hye Seung KANG
  • Publication number: 20230217822
    Abstract: Disclosed is a light emitting device that is capable of reducing lateral leakage current and a driving voltage by improving a structure for connecting a plurality of stacks to one another in a structure using the plurality of stacks, and a light emitting display device including the same. The light emitting device includes a first electrode and a second electrode facing each other, a plurality of stacks provided between the first electrode and the second electrode, and a charge generation layer including an electron generation layer and a hole generation layer stacked between the stacks, wherein the electron generation layer contains a first host of Formula 1 and a metal dopant, and the hole generation layer contains a second host and an organic dopant.
    Type: Application
    Filed: December 23, 2022
    Publication date: July 6, 2023
    Inventors: Wook Song, Ji Cheol Shin, Sae Mi Park, Myeong Seon Cho, Hui Kun Yun, Jung Keun Kim, Byung Soo Kim
  • Publication number: 20230217669
    Abstract: A light emitting device including a first electrode and a second electrode facing each other, and a first blue stack, a first charge generation layer, and a phosphorescent stack disposed between the first electrode and the second electrode. The phosphorescent stack includes a hole transport layer, a red light emitting layer, a green light emitting layer, and an electron transport layer. The red light emitting layer includes an electron transport host represented by Formula 1, a hole transport host different from the hole transport layer, and a red dopant.
    Type: Application
    Filed: December 16, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Myeong Seon CHO, Wook SONG, Sae Mi PARK, Jung Keun KIM, Do Han KIM, Byung Soo KIM, Hye Seung KANG
  • Publication number: 20230210944
    Abstract: Proposed is an enteric-coated granular composition containing an ingredient derived from bee venom and lactic acid bacteria. The enteric-coated granular composition containing a bee venom-derived ingredient and lactic acid bacteria according to the present invention has an immune enhancing effect by increasing cytotoxic T cells, helper T cells, or B cells and the weight of lymph nodes; and a recovery effect on kidney injury by decreasing expression of cytokine TNF-?, IL-1? and NGAL.
    Type: Application
    Filed: October 21, 2022
    Publication date: July 6, 2023
    Inventors: Jung Keun PARK, Mi Ran KANG, Ji Hee LIM, Sir A LEE, Joo Yeon KIM, Choul Koo KIM, Kwan Kyu PARK, Hye Min GU, Seong Jae BAE, Mi Gyeong GWON, Hyun Jin AN
  • Publication number: 20230217821
    Abstract: A light emitting device and a light emitting display device that are capable of improving efficiency, driving voltage, and lifespan by varying the configuration of a layer adjacent to a blue light emitting layer in a blue fluorescent stack contacting a cathode are disclosed. The light emitting device includes stacks between an anode and a cathode, wherein an nth stack contacting the cathode is a first blue stack that includes a first hole transport layer, a first electron-blocking layer, a first blue light emitting layer containing a boron-based dopant having an emission peak of 430 nm to 480 nm, a first electron transport layer contacting the first blue light emitting layer, and an electron injection layer having two sides contacting the first electron transport layer and the cathode, respectively, wherein the first electron transport layer contains a mixture of a first material and a second material.
    Type: Application
    Filed: December 9, 2022
    Publication date: July 6, 2023
    Inventors: Wook Song, Sae Mi Park, Myeong Seon Cho, Min Hyeong Hwang, Chun Ki Kim, Jung Keun Kim, Byung Soo Kim, Young Jun Yu, Sang Beom Kim
  • Publication number: 20230209200
    Abstract: A camera module includes a fixed frame having an internal space, a movable frame installed in the internal space of the fixed frame to be movable, with at least one optical member mounted thereon, and a driving wire including a wire member formed of a shape-memory alloy, and two coupling members coupled to the wire member and formed in a wedge shape, wherein the fixed frame includes a first wire coupling portion disposed to protrude toward the movable frame, and the movable frame includes a second wire coupling portion disposed to protrude toward the fixed frame, and the two coupling members of the driving wire are inserted into the first wire coupling portion and the second wire coupling portion, respectively, to connect the movable frame and the fixed frame to each other.
    Type: Application
    Filed: December 1, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Hyun PARK, Ju Ho KIM, Sang Hyun JI, Nam Keun OH, Doo Seub SHIN, Do Hwan KIM, Dong Hoon LEE
  • Publication number: 20230200974
    Abstract: The present invention relates to an artificial bladder system having a double space divided by a partition wall and a wireless, non-powered urine fullness sensor using an RFID technology, which provides an artificial bladder system comprising: an outer wall that forms the outer shape of the artificial bladder, is inserted into the body, and has an inner space; a partition wall, wherein both ends are fixed to the inside of the outer wall, the inner space of the outer wall is divided into a double space of a urine reservoir and a working fluid space, and it is deformable according to amounts of the urine and the working fluid; and a urine fullness sensor installed in the working fluid space and sensing a urine fullness degree based on the deformation of the partition wall.
    Type: Application
    Filed: December 28, 2022
    Publication date: June 29, 2023
    Applicants: Yonsei University Industry Foundation (Yonsei UIF), The Catholic University of Korea Industry-Academic Cooperation Foundation, Industry Academic Cooperation Foundation of Yeungnam University, Chung Ang University Industry Academic Cooperation Foundation
    Inventors: Jong Baeg KIM, U Syn HA, Jin Ho KIM, Jung Wook CHOI, Won Gun KOH, Gyu Jun CHOI, Min Hyeong KIM, Won Keun PARK, Jeong Hyeop SON