Patents by Inventor Ji Young Ahn

Ji Young Ahn 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: 12237239
    Abstract: A semiconductor device and a method of manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a stackable semiconductor device with small size and fine pitch and a method of manufacturing thereof.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: February 25, 2025
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Jin Young Khim, Ji Young Chung, Ju Hoon Yoon, Kwang Woong Ahn, Ho Jeong Lim, Tae Yong Lee, Jae Min Bae
  • Publication number: 20250042911
    Abstract: The present invention relates to a novel benzopyran derivative useful for preparing a drug for treating cancer, and more specifically, to a novel benzopyran derivative which is a micromolecule having a macrophage inhibitory effect and is useful for preparing a drug for cancer treatment. The drug particularly inhibits the differentiation of immune macrophages to stimulate the immune system, and thus is useful for treating immune-related cancers.
    Type: Application
    Filed: July 1, 2022
    Publication date: February 6, 2025
    Inventors: Sung OH AHN, Byung Sun PARK, Tae ll LIM, Ji Soo SEO, Hyeon Ji KIM, Na Jin JUNG, Hyo Young KIM, Ki Cheol GIL, Hyeon Ju LEE
  • Publication number: 20250032401
    Abstract: The present application relates to a composition which is for improving skin conditions and contains Lactobacillus plantarum CJLP55, the composition according to the present application suppress sebum, reduces oil or harmful bacteria in skin, and has a moisturizing effect, and thus the composition has an excellent effect on improving skin conditions and can be used for preventing or improving skin diseases such as acne and dermatitis.
    Type: Application
    Filed: October 3, 2024
    Publication date: January 30, 2025
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Hee Yoon AHN, Hyun Sun YUN, Ji Young OH, Yun Hi CHO, Ji Hye SHIN
  • Patent number: 10510813
    Abstract: Disclosed is a transparent display device. The transparent display device includes a first display panel, including a transmissive area and an emissive area where a first pixel including a plurality of subpixels displaying an image is provided, and a second display panel including a second pixel provided to overlap the emissive area and the transmissive area of the first display panel, the second display panel being provided on a first surface of the first display panel. The second pixel of the second display panel controls an amount of light incident on the first display panel, thereby preventing a visibility of an image displayed by the first display panel from being reduced by external light.
    Type: Grant
    Filed: December 23, 2017
    Date of Patent: December 17, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Hyeon Ho Son, Ji Young Ahn
  • Patent number: 10423022
    Abstract: A light shielding apparatus that may transmit or shield light by using a plurality of PDLC layers, a method of fabricating the light shielding apparatus, and a transparent display device including the light shielding apparatus are discussed. The light shielding apparatus can include first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and first and second polymer dispersed liquid crystal layers between the first electrode and the second electrode, wherein the first polymer dispersed liquid crystal layer includes first droplets having first liquid crystals, and the second polymer dispersed liquid crystal layer includes second droplets having second liquid crystals and first dichroic dyes.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: September 24, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Moon Sun Lee, Ji Young Ahn, Pu Reum Kim, Ki Han Kim
  • Patent number: 10378054
    Abstract: There is provided a sol-gel chip using a porous substrate for entrapping small molecules and a method for screening a small molecule-specific material using the same, and more particularly, a porous substrate sol-gel chip characterized in that a sol-gel composition for entrapping small molecules is spotted on a surface of the porous substrate, a method for manufacturing the porous substrate sol-gel chip for entrapping small molecules, and a method for screening a material specifically binding to the small molecules using the porous substrate sol-gel chip for entrapping small molecules. According to the present invention, the small molecules can be effectively entrapped in the chip and the inflow of aptamers can be maintained as compared with the existing methods and thus aptamers specific to an extensive range of small molecules can be more easily selected.
    Type: Grant
    Filed: January 26, 2013
    Date of Patent: August 13, 2019
    Assignee: DONGGUK UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: So Youn Kim, Ji Young Ahn
  • Patent number: 10345635
    Abstract: There are provided a light control device, a method for manufacturing the light control device, and a display device comprising the light control device. The light control device includes a first substrate and a second substrate facing each other, and a plurality of liquid crystal units between the first substrate and the second substrate, and the plurality of liquid crystal units includes a first liquid crystal unit including a droplet including a first liquid crystal and a polymer and a second liquid crystal unit which is disposed on or under the first liquid crystal unit and configured as a polymer networked liquid crystal (PNLC) including a second liquid crystal, a coloring member, and a network.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: July 9, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Moon Sun Lee, Ji Young Ahn, Pu Reum Kim, Ki Han Kim
  • Patent number: 10317720
    Abstract: There are provided a light control apparatus, a method for manufacturing the light control apparatus, and a display apparatus including the light control apparatus. The light control apparatus includes a first substrate and a second substrate facing each other, and a plurality of liquid crystal units between the first substrate and the second substrate, and the plurality of liquid crystal units includes a first liquid crystal unit having a droplet including a liquid crystal and a polymer and configured as a polymer dispersed liquid crystal (PDLC) and a second liquid crystal unit which is disposed on or under the first liquid crystal unit and configured as a guest-host liquid crystal (GHLC) including a liquid crystal and a coloring member.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: June 11, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Moon Sun Lee, Ji Young Ahn, Pu Reum Kim, Ki Han Kim
  • Patent number: 10228600
    Abstract: A light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a liquid crystal layer between the first electrode and the second electrode, the liquid crystal layer including cholesteric liquid crystals, wherein the cholesteric liquid crystals have a focal conic state in a light shielding mode in case where no voltage is applied, and have a homeotropic state in a transparent mode in case where a voltage is applied.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: March 12, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim, Seok Won Ji
  • Patent number: 10221412
    Abstract: The present invention relates to a multiplex microfluidic device for selection of nucleic acid aptamers and a method for high-throughput selection of nucleic acid aptamers using the same, and more particularly to a multiplex microfluidic device (SELEX lap-on-a-chip) that uses an improved multiplex platform in place of the development of an aptamer for a single target and to a method for high throughput selection of aptamers using the same together with high-throughput sequencing. A multiplex microfluidic device according to the present invention can simultaneously detect aptamers for a plurality of targets, and it can greatly increase the screening throughput and greatly shorten the process time compared to conventional multiplex techniques.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: March 5, 2019
    Assignees: PCL, INC., DONGGUK UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: So Youn Kim, Ji-Young Ahn, Minjoung Jo, Tae Kyung Kim
  • Publication number: 20180190735
    Abstract: Disclosed is a transparent display device. The transparent display device includes a first display panel, including a transmissive area and an emissive area where a first pixel including a plurality of subpixels displaying an image is provided, and a second display panel including a second pixel provided to overlap the emissive area and the transmissive area of the first display panel, the second display panel being provided on a first surface of the first display panel. The second pixel of the second display panel controls an amount of light incident on the first display panel, thereby preventing a visibility of an image displayed by the first display panel from being reduced by external light.
    Type: Application
    Filed: December 23, 2017
    Publication date: July 5, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Hyeon Ho SON, Ji Young AHN
  • Patent number: 9989798
    Abstract: A light controlling apparatus, a method of fabricating the light controlling apparatus, and a transparent display device including the light controlling apparatus are disclosed, in which light may be transmitted or shielded using a polymer dispersed liquid crystal (PDLC) layer and a guest-host liquid crystal (GHLC) layer, where the guest-host liquid crystal layer includes dichroic dyes. The light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a polymer dispersed liquid crystal (PDLC) layer and a guest-host liquid crystal (GHLC) layer between the first electrode and the second electrode, wherein the PDLC layer includes first liquid crystals having droplets, and the GHLC layer includes second liquid crystals and dichroic dyes.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: June 5, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim
  • Patent number: 9971222
    Abstract: A light controlling apparatus includes a first electrode on a first substrate; a first alignment film on the first electrode; a second electrode on a second substrate facing the first substrate; a second alignment film on the second electrode; and a guest-host liquid crystal layer having cholesteric liquid crystals and dichroic dyes between the first and second alignment films. The first and second electrodes provide a vertical electric field, and at least one of the first and second electrodes provides a horizontal electric field. The cholesteric liquid crystals have a homeotropic state when an electric field in a first direction is applied to the guest-host liquid crystal layer to realize a transparent mode. The cholesteric liquid crystals have a focal conic state when an electric field in a second direction is applied to realize a light shielding mode. A same state is maintained when no electric field is applied.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: May 15, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim, Seok Won Ji
  • Patent number: 9858893
    Abstract: A display device capable of displaying a standby screen on a display panel with various colors in a standby mode, and a method for controlling the same are disclosed. The display device includes a display panel including pixels, gate lines and data lines connected to the pixels and a common line connected to the pixels, a gate switching unit for connecting the gate lines in response to an external standby mode signal, a data switching unit for grouping the data lines in response to the standby mode signal and connecting the data lines belonging to the same group, and a standby mode driving unit for driving the gate lines in response to the standby mode signal and driving the data lines of at least one group and the common line so as to generate a potential difference between the data lines of the group and the common line.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: January 2, 2018
    Assignee: LG Display Co., Ltd.
    Inventor: Ji-Young Ahn
  • Publication number: 20170261782
    Abstract: There are provided a light control device, a method for manufacturing the light control device, and a display device comprising the light control device. The light control device includes a first substrate and a second substrate facing each other, and a plurality of liquid crystal units between the first substrate and the second substrate, and the plurality of liquid crystal units includes a first liquid crystal unit including a droplet including a first liquid crystal and a polymer and a second liquid crystal unit which is disposed on or under the first liquid crystal unit and configured as a polymer networked liquid crystal (PNLC) including a second liquid crystal, a coloring member, and a network.
    Type: Application
    Filed: September 15, 2015
    Publication date: September 14, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Moon Sun LEE, Ji Young AHN, Pu Reum KIM, Ki Han KIM
  • Publication number: 20170261781
    Abstract: There are provided a light control apparatus, a method for manufacturing the light control apparatus, and a display apparatus including the light control apparatus. The light control apparatus includes a first substrate and a second substrate facing each other, and a plurality of liquid crystal units between the first substrate and the second substrate, and the plurality of liquid crystal units includes a first liquid crystal unit having a droplet including a liquid crystal and a polymer and configured as a polymer dispersed liquid crystal (PDLC) and a second liquid crystal unit which is disposed on or under the first liquid crystal unit and configured as a guest-host liquid crystal (GHLC) including a liquid crystal and a coloring member.
    Type: Application
    Filed: September 4, 2015
    Publication date: September 14, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Moon Sun LEE, Ji Young AHN, Pu Reum KIM, Ki Han KIM
  • Publication number: 20160055824
    Abstract: A display device capable of displaying a standby screen on a display panel with various colors in a standby mode, and a method for controlling the same are disclosed. The display device includes a display panel including pixels, gate lines and data lines connected to the pixels and a common line connected to the pixels, a gate switching unit for connecting the gate lines in response to an external standby mode signal, a data switching unit for grouping the data lines in response to the standby mode signal and connecting the data lines belonging to the same group, and a standby mode driving unit for driving the gate lines in response to the standby mode signal and driving the data lines of at least one group and the common line so as to generate a potential difference between the data lines of the group and the common line.
    Type: Application
    Filed: November 3, 2015
    Publication date: February 25, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Ji-Young AHN
  • Publication number: 20160026026
    Abstract: A light controlling apparatus includes a first electrode on a first substrate; a first alignment film on the first electrode; a second electrode on a second substrate facing the first substrate; a second alignment film on the second electrode; and a guest-host liquid crystal layer having cholesteric liquid crystals and dichroic dyes between the first and second alignment films. The first and second electrodes provide a vertical electric field, and at least one of the first and second electrodes provides a horizontal electric field. The cholesteric liquid crystals have a homeotropic state when an electric field in a first direction is applied to the guest-host liquid crystal layer to realize a transparent mode. The cholesteric liquid crystals have a focal conic state when an electric field in a second direction is applied to realize a light shielding mode. A same state is maintained when no electric field is applied.
    Type: Application
    Filed: July 24, 2015
    Publication date: January 28, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim, Seok Won Ji
  • Patent number: 9236025
    Abstract: A display device for displaying a standby screen in a standby mode (SM), and a method for driving the same are disclosed. The display device includes: a display panel including pixels, and gate lines (GLs), data lines (DLs), and a common line (CL) connected to the pixels, a gate switching unit connecting the GLs due to an external SM signal, a data driver (DD): converting input data signals into analog signals due to a display mode signal, and supplying the analog signals to the DLs, a data switching unit: grouping the DLs due to the SM signal, and connecting DLs of the same group, and a SM driving unit: driving the GLs due to the SM signal, and driving the DLs of at least one group and the CL to generate a potential difference therebetween. When the SM signal is supplied to the DD, operation of the DD is stopped.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: January 12, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Ji-Young Ahn
  • Publication number: 20150378205
    Abstract: A light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a liquid crystal layer between the first electrode and the second electrode, the liquid crystal layer including cholesteric liquid crystals, wherein the cholesteric liquid crystals have a focal conic state in a light shielding mode in case where no voltage is applied, and have a homeotropic state in a transparent mode in case where a voltage is applied.
    Type: Application
    Filed: June 30, 2015
    Publication date: December 31, 2015
    Applicant: LG Display Co., Ltd.
    Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim, Seok Won Ji