Patents by Inventor An-Na Kim

An-Na Kim 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: 20220055010
    Abstract: The present disclosure provides an apparatus for preparing oligomer including: a reactor; a gas-liquid separator; a solvent transfer line; a second transfer line; a first spray nozzle unit; and a second spray nozzle unit. The apparatus is capable of improving stability of the entire process by including a first spray nozzle unit and a second spray nozzle unit in a reactor and thus preventing by-products containing polymer substances such as C20+ from being entrained with a desired product during a reaction.
    Type: Application
    Filed: August 7, 2020
    Publication date: February 24, 2022
    Inventors: Moon Sub HWANG, Jeong Seok LEE, Jong Hun SONG, You Na KIM, Hong Min LEE
  • Publication number: 20220055081
    Abstract: The present disclosure provides a reactor cleaning apparatus including: a fixing part having a partial region inserted into a hole formed in an upper portion of a reactor to be coupled to the reactor and fixing a pipe; the pipe inserted into a hole formed in the fixing part, protruding downward from the fixing part, and having a length adjustable in a vertical direction; a spray nozzle provided at a lower end of the pipe; and a screener provided on a lower side surface of the pipe, and a reactor cleaning method using the same.
    Type: Application
    Filed: August 7, 2020
    Publication date: February 24, 2022
    Inventors: Moon Sub HWANG, Jeong Seok LEE, Jong Hun SONG, You Na KIM, Hong Min LEE
  • Patent number: 11254925
    Abstract: The present invention relates to an enzyme-porous carbon composite, and more specifically, to an enzyme-porous material composite capable of realizing a much higher enzyme adsorption amount than porous silica and maintaining high stability of an immobilized enzyme.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: February 22, 2022
    Assignee: Korea Universitv Research and Business Foundation
    Inventors: Jungbae Kim, Young Jun Ju, Li Na Kim, Ja Hyun Nam, In Seon Lee
  • Publication number: 20220047640
    Abstract: The present disclosure relates to a composition for preventing, treating, or alleviating pancreatitis, containing monoclonal stem cells obtained by improved subfractionation culturing of stem cells, and to a method for preparing the same. According to the improved method of subfractionation culture and proliferation of stem cells of the present disclosure, it is possible to obtain a large quantity of desired monoclonal stem cells in a short time by rapid proliferation of monoclonal stem cells, and the monoclonal mesenchymal stem cells obtained thereby are stem cells with enhanced therapeutic effects on pancreatitis, and thus can may beneficially used as a pancreatitis therapeutic agent.
    Type: Application
    Filed: December 4, 2019
    Publication date: February 17, 2022
    Applicant: SCM LIFESCIENCE CO., LTD.
    Inventors: Sun Uk SONG, Si Na KIM, Myeong Hwan HWANG
  • Patent number: 11249716
    Abstract: A display device includes a display panel which includes a first substrate, a second substrate, and a light emitting element layer disposed between the first substrate and the second substrate and outputting light to the second substrate, a first sound generator which is disposed on a surface of the first substrate and outputs sound by vibrating the display panel, and a first buffer member which is disposed on the surface of the first substrate, where a height of the first buffer member is smaller than that of the first sound generator.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: February 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi Joon Ahn, Ga Na Kim, Byeong Hee Won, Jae Been Lee, Jae Woo Im
  • Patent number: 11248210
    Abstract: The present disclosure relates to a subfractionation culturing method of a stem cell and proliferation method of a monoclonal stem cell obtained using the same. According to the subfractionation culturing method of stem cells and the proliferation thereof of the exemplary embodiments of the present disclosure, it is advantage that monoclonal stem cells may be quickly obtained without contamination, and desired monoclonal stem cells may be largely obtained in a short time through the rapid proliferation, thereby being used for the preparation of stem cell-therapeutic agents.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: February 15, 2022
    Assignee: SCM LIFESCIENCE CO., LTD.
    Inventors: Sun Uk Song, Si Na Kim, Yun Kyoung Cho, Dong Sik Ham
  • Publication number: 20220045297
    Abstract: A display panel can include first, second and third subpixels on a substrate; an overcoat layer in the first, second and third subpixels; a concave area and a convex area in the overcoat layer in at least one of the first, second and third subpixels, the concave area being connected to the convex area through a first inclined surface of the overcoat layer; first, second and third anode electrodes corresponding to the first, second and third subpixels, respectively, at least one of the first, second and third anode electrodes includes a second inclined surface overlapping with the first inclined surface of the overcoat layer; first, second and third organic light emitting layers on the first, second and third anode electrodes, respectively; and a bank layer on the overcoat layer, the bank layer including a third inclined surface, at least one of the first, second and third inclined surfaces reflects light.
    Type: Application
    Filed: October 25, 2021
    Publication date: February 10, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Mi-Na KIM, JungSun BAEK, Seongjoo LEE, Sunmi LEE, Namseok YOO
  • Publication number: 20220045601
    Abstract: A method for controlling a fault of a three phase four wire interlinking converter system according to one embodiment of the present disclosure comprises obtaining a first d-q-o coordinate plane based on an internal phase angle of output voltage produced from each phase of an inverter; converting the first d-q-o coordinate plane to a second d-q-o coordinate plane based on the o-axis configured differently from the first d-q-o coordinate plane; obtaining an output voltage vector for determining a fault location by performing d-q transform on the second d-q-o coordinate plane; determining occurrence of a fault and an area related to the fault based on the output voltage vector; and in the occurrence of the fault, allocating a zero voltage vector to the area related to the fault.
    Type: Application
    Filed: September 3, 2021
    Publication date: February 10, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Chung Yuen WON, Kwang Su NA, Mi Na KIM, Bong Yeon CHOI, Kyoung Min KANG, Hoon LEE, Chang Gyun AN, Tae Gyu KIM, Jun Sin YI
  • Publication number: 20220045241
    Abstract: A display device includes: a first alignment electrode and a second alignment electrode on a substrate, the first and second alignment electrodes extending in a first direction and being spaced apart from each other; an amorphous silicon layer on the first alignment electrode and the second alignment electrode, the amorphous silicon layer having an insulating portion covering the first alignment electrode and an electrode portion covering the second alignment electrode, the electrode portion of the amorphous silicon layer including an N-type dopant; a light emitting element on the amorphous silicon layer, one end of the light emitting element being on the insulating portion and another end of the light emitting element contacting the electrode portion of the amorphous silicon layer; a first insulating layer on the light emitting element and extending in the first direction; and a first electrode contacting the one end of the light emitting element.
    Type: Application
    Filed: July 22, 2021
    Publication date: February 10, 2022
    Inventors: Hee Na KIM, Cha Dong KIM, In Kyung YOO, Sang Jin LEE, Chong Sup CHANG
  • Publication number: 20220043528
    Abstract: A touch sensing device includes touch electrodes, a sensing circuit unit configured to sense a capacitance change value of each of a plurality of touch nodes formed by the touch electrodes, an analog-digital converter configured to output the capacitance change value of each of the plurality of touch nodes as digital touch sensing data, and a touch data compensator configured to analyze the touch sensing data to calculate a touch area ratio and configured to compensate for the touch sensing data according to the touch area ratio.
    Type: Application
    Filed: March 10, 2021
    Publication date: February 10, 2022
    Inventors: Yu Na KIM, Soo Jung LEE, Seung Wook CHUN, Bo Ram CHOI
  • Publication number: 20220045599
    Abstract: A method for controlling a fault of a three phase four wire interlinking converter system according to one embodiment of the present disclosure comprises obtaining a first d-q-o coordinate plane based on an internal phase angle of output voltage produced from each phase of an inverter; converting the first d-q-o coordinate plane to a second d-q-o coordinate plane based on the o-axis configured differently from the first d-q-o coordinate plane; obtaining an output voltage vector for determining a fault location by performing d-q transform on the second d-q-o coordinate plane; determining occurrence of a fault and an area related to the fault based on the output voltage vector; and in the occurrence of the fault, allocating a zero voltage vector to the area related to the fault.
    Type: Application
    Filed: June 21, 2021
    Publication date: February 10, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Chung Yuen WON, Kwang Su NA, Mi Na KIM, Bong Yeon CHOI, Kyoung Min KANG, Hoon LEE, Chang Gyun AN, Tae Gyu KIM, Jun Sin YI
  • Patent number: 11243738
    Abstract: A display device includes: a display panel; a first sound generating device disposed below the display panel, where the first sound generating device generates a sound by causing the display panel to vibrate; and a second sound generating device disposed below the display panel, where the second generating sound generating device generates a sound by causing the display panel to vibrate. The first sound generating device includes: a first vibrator which vibrates in a first direction, which is a thickness direction of the display panel; and a second vibrator which vibrates in the first direction, and the second sound generating device includes: a third vibrator which vibrates in the first direction; and a fourth vibrator which vibrates in a second direction, which is perpendicular to the first direction.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun Kyung Yeon, Yi Joon Ahn, Ga Na Kim, Jung Hun Noh, Jae Been Lee
  • Patent number: 11237683
    Abstract: A display device includes: a display panel which includes a first area and a second area; and a sensor device which overlaps the first area in a thickness direction of the display panel. The display panel includes first sensor electrodes in the first area and second sensor electrodes in the second area, and a shape of a first sensor electrode of the first sensor electrodes is different from a shape of a second sensor electrode of the second sensor electrodes.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: February 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Jung Lee, Suk Kim, Ki Seo Kim, Yu Na Kim, Keum Dong Jung, Go Eun Cha
  • Patent number: 11223793
    Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: January 11, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ha-Na Kim, Jee-hoon Park, Hyun-yong Choi, You-na Choo, Soo-hyun Whang
  • Publication number: 20210392863
    Abstract: The present disclosure relates to a dwarfism animal model carrying an IGF-1 gene mutation and a method for generating the same. According to the present disclosure, the problem that an animal dies immediately after birth is overcome, the majority of phenotypes seen in Laron syndrome patients may be observed in the dwarfism animal model, and the dwarfism animal model has decreased expression of personality genes. Thus, the dwarfism animal model may be effectively used as a dwarfism-related disease model.
    Type: Application
    Filed: October 23, 2019
    Publication date: December 23, 2021
    Inventors: Sun Uk KIM, Young Ho PARK, Kyu Tae CHANG, Bo Woong SIM, Bong Seok SONG, Hae Jun YANG, Sang Rae LEE, Kang Jin JEONG, Pil Soo JEONG, Yeung Bae JIN, Phil Yong KANG, Seung Hwan LEE, Hwal Yong LEE, Kyung Seob LIM, Young Hyun KIM, Ji Su KIM, Han Na KIM, Hee Chang SON, Seung Bin YOON, Jong Hee LEE, Seon A CHOI, Jae Won HUH
  • Publication number: 20210399069
    Abstract: A display device includes a first substrate including a display area and a non-display area, first banks spaced apart from each other in the display area and in the non-display area on the first substrate, electrodes spaced apart from each other on the first banks in the display area, dummy electrodes spaced apart from each other on the first banks in the non-display area, a first pattern between the electrodes in the display area, a second pattern between the dummy electrodes in the non-display area, a first light emitting element on the first pattern, a second light emitting element on the second pattern, contact electrodes respectively on the electrodes in the display area to contact one end of the first light emitting element, and dummy contact electrodes respectively on the dummy electrodes in the non-display area to contact one end of the second light emitting element.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 23, 2021
    Inventors: Cha Dong KIM, Hee Na KIM, In Kyung YOO, Sang Jin LEE, Chong Sup CHANG
  • Publication number: 20210391401
    Abstract: A display device includes a pixel including a pixel driving transistor and a pixel switching transistor, the pixel driving transistor including a first active layer including a first channel area having a first length, a first gate insulating layer on the first active layer, a first gate electrode on the first gate insulating layer, a first source electrode and a first drain electrode above the first gate electrode, the pixel switching transistor including a second active layer including a second channel area having a second length that is shorter than the first length, a second gate insulating layer on the second active layer, a second gate electrode on the second gate insulating layer, a second source and a second drain electrode above the second gate electrode, and wherein the pixel driving transistor and the pixel switching transistor each include a P-MOS transistor.
    Type: Application
    Filed: April 29, 2021
    Publication date: December 16, 2021
    Inventors: KEUNWOO KIM, DOO-NA KIM, MEEJAE KANG, THANH TIEN NGUYEN
  • Patent number: 11195444
    Abstract: A display device includes: a pixel unit including a plurality of pixels; a scan driver having a plurality of stages and configured to supply a scan signal to the pixel unit; and a light emission control driver having a plurality of stages and configured to supply a light emission control signal to the pixel unit, wherein a first transistor of a plurality of transistors included in at least one of the stages of the scan driver or the stages of the light emission control driver comprises: an active layer pattern on a base layer, and including a channel region forming a channel, and first and second regions on opposite sides of the channel region; and a gate electrode spaced apart from the active layer pattern with a first insulating film therebetween, and overlapping the channel region.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: December 7, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun Woo Kim, Tae Wook Kang, Hye Na Kwak, Doo Na Kim, Han Bit Kim, Bum Mo Sung, Do Kyeong Lee, Yong Su Lee, Jae Hwan Chu
  • Patent number: 11189815
    Abstract: A display panel can include a substrate including first, second and third subpixels; an overcoat layer including a first inclined surface in at least one of the first, second and third subpixels; first, second and third anode electrodes corresponding to the first, second and third subpixels, respectively, wherein at least one of the first, second and third anode electrodes includes a second inclined surface overlapping with the first inclined surface of the overcoat layer; first, second and third organic light emitting layers disposed on the first, second and third anode electrodes, respectively; and a bank layer disposed on the overcoat layer, the bank layer including a third inclined surface overlapping with both the first and second inclined surfaces of the overcoat layer and the at least one of the first, second and third anode electrodes, in which at least one of the first, second and third inclined surfaces is configured to reflect light emitted from a corresponding one of the first, second and third or
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: November 30, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Mi-Na Kim, JungSun Baek, Seongjoo Lee, Sunmi Lee, Namseok Yoo
  • Patent number: D941480
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: January 18, 2022
    Assignee: LEDGEN CO., LTD.
    Inventor: Ji Na Kim