Patents by Inventor Chan Mi JU

Chan Mi JU 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: 11966106
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: each of the first substrate and the second substrate includes a first direction, a second direction different from the first direction, and a third direction defined as a thickness-direction of the first substrate and the second substrate; the light conversion part includes a partition wall part and a reception part alternately arranged; and the reception part has a light transmittance changing according to application of a voltage, extends in a fourth direction, and has a lower surface inclined at an acute angle with respect to one side surface of the first substrate.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: April 23, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: In Hae Lee, Won Seok Choi, Chan Mi Ju
  • Patent number: 11914242
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a photoconversion unit disposed between the first electrode and the second electrode, wherein the second substrate includes at least one hole penetrating the second substrate, and an electrode connection part connected to a side surface of the second electrode is disposed inside the hole.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: February 27, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jin Gyeong Park, Chan Mi Ju, Byung Sook Kim
  • Publication number: 20230341742
    Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: the light conversion part comprises a plurality of partition wall portions, a plurality of receiving portions, and a base portion; a light conversion material is disposed in the receiving portions; the light conversion part includes a first sealing portion which seals the light conversion material; the first sealing portion extends in a direction from one end to the other end thereof; and the other end of the first sealing portion is arranged to extend into the inner area of the receiving portions.
    Type: Application
    Filed: September 3, 2021
    Publication date: October 26, 2023
    Inventors: In Hae LEE, Chan Mi JU, Hyeon Ji HONG, Jun LEE, Gyu Lin LEE, Beom Sun HONG
  • Publication number: 20230324728
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the first substrate; a second substrate arranged on the first substrate; a second electrode arranged below the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit includes a partition part and accommodation parts, each accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the accommodation parts operate in a public mode or a privacy mode according to whether a voltage is applied thereto, the public mode includes the steps of applying an initial positive voltage and applying a positive sustaining voltage, the privacy mode includes a step of applying a negative voltage, the steps of applying the initial positive voltage, applying the positive sustaining voltage, and applying the negative voltage are sequentially performed, and the magnitude of th
    Type: Application
    Filed: September 3, 2021
    Publication date: October 12, 2023
    Inventors: Chan Mi JU, Byung Sook KIM
  • Publication number: 20230258972
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a photoconversion unit disposed between the first electrode and the second electrode, wherein the second substrate includes at least one hole penetrating the second substrate, and an electrode connection part connected to a side surface of the second electrode is disposed inside the hole.
    Type: Application
    Filed: June 28, 2021
    Publication date: August 17, 2023
    Inventors: Jin Gyeong PARK, Chan Mi JU, Byung Sook KIM
  • Publication number: 20230176406
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the first substrate; a second substrate arranged on the first substrate; a second electrode arranged beneath the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit comprises a partition part and an accommodation part alternately arranged, the accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the accommodation part operates in a public mode or a privacy mode according to whether a voltage is applied, a first voltage is applied when changing from the privacy mode to the public mode, a second voltage and a third voltage are applied when changing from the public mode to the privacy mode, and the second voltage and/or the third voltage include a pulse voltage.
    Type: Application
    Filed: April 6, 2021
    Publication date: June 8, 2023
    Inventors: In Hae LEE, Chan Mi JU, Byung Sook KIM
  • Publication number: 20230161187
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: each of the first substrate and the second substrate includes a first direction, a second direction different from the first direction, and a third direction defined as a thickness-direction of the first substrate and the second substrate; the light conversion part includes a partition wall part and a reception part alternately arranged; and the reception part has a light transmittance changing according to application of a voltage, extends in a fourth direction, and has a lower surface inclined at an acute angle with respect to one side surface of the first substrate.
    Type: Application
    Filed: April 15, 2021
    Publication date: May 25, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventors: In Hae LEE, Won Seok CHOI, Chan Mi JU
  • Publication number: 20230044139
    Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; a light conversion part disposed between the first electrode and the second electrode; and an adhesive layer disposed between the second electrode and the light conversion part, wherein the light conversion part comprises alternately disposed partition wall portions and accommodating portions, the accommodating portions comprise a dispersion and a plurality of light absorbing particles disposed in the dispersion, and the log volume resistivity of the adhesive layer is 9 ?·cm to 15 ?·cm.
    Type: Application
    Filed: January 8, 2021
    Publication date: February 9, 2023
    Inventors: In Hae LEE, Byung Sook KIM, Chan Mi JU, Young Ju HAN