Patents by Inventor Moon Sun Lee

Moon Sun Lee 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: 20210313958
    Abstract: A bulk-acoustic wave resonator includes a substrate, a first electrode disposed on the substrate, a piezoelectric layer covering at least a portion of the first electrode, and a second electrode covering at least a portion of the piezoelectric layer. When an active region, in which the first electrode and the second electrode are disposed to overlap each other, is viewed from above, among four sides of a rectangle with which at least three vertices of a polygon formed by the active region are in contact, a longest side is defined as a side B and a side connected to side B is defined as a side A, and an aspect ratio (side B/side A) is 1.3 to 3.
    Type: Application
    Filed: July 21, 2020
    Publication date: October 7, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung LEE, Won HAN, Sang Uk SON, Hwa Sun LEE, Moon Chul LEE
  • Patent number: 11136646
    Abstract: Disclosed is a thermal reduction apparatus. The thermal reduction apparatus according to the exemplary embodiment includes: a preheating unit which preheats a to-be-reduced material and loads the to-be-reduced material into a reducing unit; the reducing unit which is connected to the preheating unit and in which a thermal reduction reaction of the to-be-reduced material occurs; a cooling unit which is connected to the reducing unit and from which the to-be-reduced material flowing into the cooling unit is unloaded to the outside; a gate device which is installed between the preheating unit and the reducing unit; a gate device which is installed between the reducing unit and the cooling unit; a condensing device which is connected to the reducing unit and condenses a metal vapor; a first blocking unit which is installed in the reducing unit; and a second blocking unit which is installed in the reducing unit so as to be spaced apart from the first blocking unit.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: October 5, 2021
    Assignee: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Dong Kyun Choo, Young Il Kim, Kil Won Cho, Wung Yong Choo, Jong Min Park, Jae Sin Park, Gilsoo Han, Good-Sun Choi, Gyu Chang Lee, Dae Kyu Park, Moon Chul Kim
  • Patent number: 11118792
    Abstract: An air conditioner includes a housing, a heat exchanger arranged to exchange heat with air flowing into the housing, a blower fan arranged inside the housing for discharging air that has exchanged heat with the heat exchanger to the outside and a discharging plate having an opening formed to discharge air blown from the blower fan out of the housing, and a plurality of discharging holes formed to discharge air to surroundings of the opening, wherein the discharging plate is arranged to discharge the air that has exchanged heat by the heat exchanger out of the housing, and wherein the discharging plate is made of metal. By such configuration, air conditioner increase user satisfaction.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: September 14, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-Hee Lee, Jong Whal Kim, Jin-Gyun Kim, Yeon-Seob Yun, Jun Seok Kwon, Sung Jae Kim, Chang-Woo Jung, Ji Hong Kim, Moon Sun Shin, Seung Won Oh, Sang Ki Yoon, Chang Sik Lee, Jae Rim Jung, Seong Deok Cheon, Sung Hyun Chun, Weon Seok Choi
  • Patent number: 11099420
    Abstract: An optical device is disclose herein. In some embodiments, an optical device includes an active liquid crystal element film, wherein the active liquid crystal element film comprises two base films, an active liquid crystal layer present between the two base films, wherein the active liquid crystal layer contains a liquid crystal compound and is capable of switching between a first oriented state and a second oriented state, and a polarizing coating layer, wherein the polarizing coating layer is present between one of the two base films and the active liquid crystal layer. The optical device is capable of varying transmittance, and can be used for various applications such as sunglasses, AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: August 24, 2021
    Inventors: Ji Hoon Park, Byoung Kun Jeon, Moon Soo Park, Jun Won Chang, Dae Hee Lee, Hye Min Yu, Young Shin Lee, Byung Sun Lee
  • 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: 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: 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
  • 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: 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
  • 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
  • Publication number: 20150378189
    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: Application
    Filed: June 23, 2015
    Publication date: December 31, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim
  • Publication number: 20150349028
    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: Application
    Filed: May 28, 2015
    Publication date: December 3, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Moon Sun LEE, Ji Young AHN, Pu Reum KIM, Ki Han KIM
  • Patent number: 9128288
    Abstract: A light-controlling device is provided. The light-controlling device includes a first substrate, a second substrate disposed opposite the first substrate, and a partition wall separating the first and second substrates to define a cell. An optical medium containing charged particles is disposed within the cell between the first and second substrates. A plurality of first electrodes is disposed on the first substrate, and a plurality of second electrodes is disposed on the second substrate to generate electrical field within the cell to move at least some of the charged particles. Each of the first electrodes has a first width and a first thickness, and each of the second electrodes has a second width and a second thickness. Each of the second electrodes is disposed at an interval of a third width such that the open region on the second substrate between the second electrodes corresponds to the first electrode on the first substrate.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: September 8, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Moon Sun Lee, HyunJin An
  • Patent number: 9091899
    Abstract: The light-controlling device includes a first substrate, a second substrate and a partition wall separating the first and second substrates to define a cell. A light-adjustment medium containing a plurality of charged particles is disposed between the first and second substrates. One of the first electrode on the first substrate and the second electrode on the second substrate covers lesser area of the light-controlling device than the other electrode. The electrode covering lesser area of the light-controlling device may have grooved surface to increase the surface area without increasing the overall area of the light-controlling device covered by the electrode. Particle guidance member can be used to create a reservoir for holding increased amount of charged particles on the electrode covering lesser area of the light-controlling device.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: July 28, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: MiRyn Seong, YoungHoon Noh, Moon Sun Lee
  • Patent number: 5932742
    Abstract: The present invention relates to a novel arylsulfonylimidazolone derivative represented by the following formula (I) which shows a superior antineoplastic activity in contrast to the known sulfonylurea antitumor agents as well as little side effect: ##STR1## and its pharmaceutically acceptable salt and stereoisomer, in which - -, R.sub.1, and R.sub.2 are as defined in the specification.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: August 3, 1999
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung June Yoon, Yong Ho Chung, Moon Sun Lee, Dong Rack Choi, Jung A Lee, Hee Soon Lee, Hae Ran Yun, Dug Keun Lee, Eun Yi Moon, Hyun Sook Hwang, Chung Ha Choi, Sang Hun Jung
  • Patent number: 5929103
    Abstract: The present invention relates to a novel arylsulfonylimidazolone derivative represented by the following formula (I) which shows a superior antineoplastic activity in contrast to the known sulfonylurea antitumor agents as well as little side effect: ##STR1## and its pharmaceutically acceptable salt and stereoisomer, in which ----, R.sub.1, and R.sub.2 are as defined in the specification.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: July 27, 1999
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung June Yoon, Yong Ho Chung, Moon Sun Lee, Dong Rack Choi, Jung A Lee, Hee Soon Lee, Hae Ran Yun, Dug Keun Lee, Eun Yi Moon, Hyun Sook Hwang, Chung Ha Choi, Sang Hun Jung