Patents by Inventor Hee-Young Lee

Hee-Young 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).

  • Patent number: 11127795
    Abstract: An optical unit of embodiments of the present disclosure includes a phase difference layer including a UV absorbent, and a linear polarization layer on the phase difference layer. The phase difference layer may further includes a base film, a liquid crystal layer, and an overcoat layer on the liquid crystal layer. The resulting optical unit and the organic light emitting display including the same may have improved polarization characteristics and optical characteristics such as transmittance, and excellent external light anti-reflection characteristics and flexibility.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: September 21, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Young Lee, Hyeon Jeong Sang, Suk Choi, Hee Seop Kim, Seung Beom Park, Yun Jang
  • Patent number: 11118155
    Abstract: The present invention relates to a method of separating cultured cells, which is used in a configuration including: a first accommodation space; a cell suspension which is present in a liquid in the first accommodation space in a state in which a plurality of cells is connected to one another; a filter container which is hermetically connected to the first accommodation space and mounted with a cell dividing member having one or more through holes having an average diameter of 5 ?m to 300 ?m; and a second accommodation space which is hermetically connected to the filter container, in which the cell suspension flows from the first accommodation space to the second accommodation space through the filter, such that the connection between the cells is passively and mechanically separated while the cells collide with a fixed resistance portion of the filter.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: September 14, 2021
    Assignee: MEDIKAN INC.
    Inventor: Hee Young Lee
  • Patent number: 11103883
    Abstract: Provided is a centrifuge including: a rotary chamber configured to rotate so that centrifugal force acts on a substance contained in the rotary chamber; a storage unit configured to store a certain component separated from the substance in the rotary chamber by the centrifugal force according to rotation of the rotary chamber; and a filter located between the storage unit and the rotary chamber and through which the certain component, which is separated from the substance in the rotary chamber by the centrifugal force according to the rotation of the rotary chamber, passes to be stored in the storage unit. The storage unit includes a return prevention unit configured to prevent the certain component, which is separated from the substance in the rotary chamber by the centrifugal force according to the rotation of the rotary chamber and is stored in the storage unit, from returning from the storage unit to the rotary chamber.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: August 31, 2021
    Assignee: MEDIKAN CO., LTD.
    Inventors: Hee Young Lee, Hyun Jin Yang, Dae Chang Bae
  • Publication number: 20200370002
    Abstract: Provided are a method and an apparatus for isolating stromal cells from biological tissue without using an enzyme, in which spontaneous migration of the stromal cells of the biological tissue is induced to move the stromal cells to the outside of the biological tissue, wherein the induction of the spontaneous migration of the stromal cells is performed in a state in which the biological tissue is attached to an attachment member formed of a material to which biological tissue is attachable, and is performed in a culture medium in which the stromal cells can survive.
    Type: Application
    Filed: August 23, 2017
    Publication date: November 26, 2020
    Inventor: Hee Young LEE
  • Publication number: 20200290059
    Abstract: Provided is a centrifuge including: a rotary chamber configured to rotate so that centrifugal force acts on a substance contained in the rotary chamber; a storage unit configured to store a certain component separated from the substance in the rotary chamber by the centrifugal force according to rotation of the rotary chamber; and a filter located between the storage unit and the rotary chamber and through which the certain component, which is separated from the substance in the rotary chamber by the centrifugal force according to the rotation of the rotary chamber, passes to be stored in the storage unit. The storage unit includes a return prevention unit configured to prevent the certain component, which is separated from the substance in the rotary chamber by the centrifugal force according to the rotation of the rotary chamber and is stored in the storage unit, from returning from the storage unit to the rotary chamber.
    Type: Application
    Filed: December 8, 2016
    Publication date: September 17, 2020
    Inventors: Hee Young LEE, Hyun Jin YANG, Dae Chang BAE
  • Patent number: 10761680
    Abstract: A display method of a scenario emoticon using an instant message service is provided. The display method includes displaying a scenario emoticon selection region showing at least one thumbnail image of at least one scenario emoticon; receiving an input of a selection upon one from the at least one thumbnail image; and displaying, in response to the selection, a scenario emoticon on a display region within a chat window where an instant message is output. When the play file is played, the at least one object is displayed according to a preset scenario, if a user interaction upon the object is input while the play file is played, a status of the object is changed in response to the user interaction.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: September 1, 2020
    Assignee: KAKAO CORP.
    Inventors: Hee Young Lee, Hyun Ju Park, Ji Hyun Kim, Yong Jin Lee, Jung Hong Choi, Yeon Hee Shin, Hyun Joo Yeon, Joo Hyun Ji, Hui Hyeon Kim, Se Won Hwang, Eu Gene Lim, Hyung Taek Jeong, Jung Gyun Lee, Kwang Hoon Kim, Geon Young Kim, Je Hee Han
  • Patent number: 10641937
    Abstract: An exemplary embodiment of the present invention provides a polarizer including a first retardation layer and a second retardation layer having different retardation values with respect to each other, a polarization layer disposed on the first retardation layer, a first compensation layer disposed between the first retardation layer and the second retardation layer, and a second compensation layer disposed below the second retardation layer.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: May 5, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Young Lee, Sung June Park, In Seo Kee, Jin Kyu Kim
  • Patent number: 10519414
    Abstract: Disclosed is a method of continuously culturing cells, including culturing the cells by injecting a culture medium into an internal compartment of a sealed culture vessel and then inoculating the culture medium with the cells, detaching the adhered cells when the density of the cells cultured in the compartment of the culture vessel is a reference value or more, and obtaining the cells detached from the culture vessel, which is maintained in a sealed state.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: December 31, 2019
    Assignee: MEDIKAN INC
    Inventor: Hee Young Lee
  • Patent number: 10490612
    Abstract: An organic light emitting diode display includes: a display module including a first organic light emitting diode to emit light with a first wavelength, a second organic light emitting diode to emit light with a second wavelength, and a third organic light emitting diode to emit light with a third wavelength; a phase difference layer including a first liquid crystal pattern on the first organic light emitting diode, and a second liquid crystal pattern on the second organic light emitting diode and the third organic light emitting diode; and a linear polarization layer on the phase difference layer.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: November 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Choi, Hee Young Lee, Cheol Kyu Kim, Sun Haeng Cho, Hyun-Joo Hwang
  • Publication number: 20190271802
    Abstract: An exemplary embodiment of the present invention provides a polarizer including a first retardation layer and a second retardation layer having different retardation values with respect to each other, a polarization layer disposed on the first retardation layer, a first compensation layer disposed between the first retardation layer and the second retardation layer, and a second compensation layer disposed below the second retardation layer.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 5, 2019
    Inventors: Hee Young LEE, Sung June Park, In Seo Kee, Jin Kyu Kim
  • Patent number: 10324244
    Abstract: An exemplary embodiment of the present invention provides a polarizer including a first retardation layer and a second retardation layer having different retardation values with respect to each other, a polarization layer disposed on the first retardation layer, a first compensation layer disposed between the first retardation layer and the second retardation layer, and a second compensation layer disposed below the second retardation layer.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: June 18, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Young Lee, Sung June Park, In Seo Kee, Jin Kyu Kim
  • Patent number: 10181584
    Abstract: A display device includes a light emitting diode disposed on a substrate, a thin film encapsulation layer covering the light emitting diode, a polarization layer disposed on the thin film encapsulation layer. The thin film encapsulation layer includes a plurality of phase retardation layers.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: January 15, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Young Lee, Suk Choi
  • Publication number: 20180299603
    Abstract: An optical film may include: a phase retardation layer; a polarizer disposed on the phase retardation layer and including a first part defined by a pair of sides extending in a first direction and a pair of sides extending in a second direction and a second part protruding from the first part; and a protective film protecting the polarizer. Here, one short side of the second part of the polarizer adjacent the first part may include a curved part. The polarizer may include an absorption axis in a direction parallel to a tangent line of a part having the most curvature at the curved part.
    Type: Application
    Filed: December 14, 2017
    Publication date: October 18, 2018
    Inventors: Hee Young LEE, Eun Mi Seo
  • Patent number: 10099016
    Abstract: Provided is a syringe pressure generating and pressure displaying device applied to a syringe configured such that an auxiliary device is detachably attached to the cylinder flange while the rod bar is installed in the auxiliary device so as to pass therethrough, and a grip of the hand on a lever that is hinge-connected to the auxiliary device so as to be disposed horizontally in line with the syringe creates a rotational motion due to leverage, whereupon the rotational motion is converted into a linear motion via a motion-converting means, and the rod bar and the piston are moved with increased force.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: October 16, 2018
    Inventor: Hee Young Lee
  • Patent number: 10078165
    Abstract: A polarization unit includes a plurality of retardation layers that each have a different retardation value, a polarization layer positioned above the plurality of retardation layers, a first compensation layer positioned between the polarization layer and the plurality of retardation layers, and a second compensation layer positioned below the plurality of retardation layers.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: September 18, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Young Lee, Suk Choi, Tae Young Ahn
  • Patent number: 10061463
    Abstract: A touch panel, including a polyurethane substrate; a touch electrode including a first electrode layer on the polyurethane substrate, the first electrode including nanowires; and a polyurethane overcoat layer on the touch electrode, the polyurethane overcoat layer having an in-plane phase difference smaller than that of the polyurethane substrate.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: August 28, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Young Lee, Suk Choi, Hyeon Jeong Sang
  • Publication number: 20180095211
    Abstract: An exemplary embodiment of the present invention provides a polarizer including a first retardation layer and a second retardation layer having different retardation values with respect to each other, a polarization layer disposed on the first retardation layer, a first compensation layer disposed between the first retardation layer and the second retardation layer, and a second compensation layer disposed below the second retardation layer.
    Type: Application
    Filed: August 22, 2017
    Publication date: April 5, 2018
    Inventors: Hee Young LEE, Sung June Park, In Seo Kee, Jin Kyu Kim
  • Publication number: 20180080003
    Abstract: The present invention relates to a method of separating cultured cells, which is used in a configuration including: a first accommodation space; a cell suspension which is present in a liquid in the first accommodation space in a state in which a plurality of cells is connected to one another; a filter container which is hermetically connected to the first accommodation space and mounted with a cell dividing member having one or more through holes having an average diameter of 5 ?m to 300 ?m; and a second accommodation space which is hermetically connected to the filter container, in which the cell suspension flows from the first accommodation space to the second accommodation space through the filter, such that the connection between the cells is passively and mechanically separated while the cells collide with a fixed resistance portion of the filter.
    Type: Application
    Filed: April 5, 2016
    Publication date: March 22, 2018
    Inventor: HEE YOUNG LEE
  • Publication number: 20180047797
    Abstract: An organic light emitting diode display includes: a display module including a first organic light emitting diode to emit light with a first wavelength, a second organic light emitting diode to emit light with a second wavelength, and a third organic light emitting diode to emit light with a third wavelength; a phase difference layer including a first liquid crystal pattern on the first organic light emitting diode, and a second liquid crystal pattern on the second organic light emitting diode and the third organic light emitting diode; and a linear polarization layer on the phase difference layer.
    Type: Application
    Filed: October 2, 2017
    Publication date: February 15, 2018
    Inventors: Suk Choi, Hee Young Lee, Cheol Kyu Kim, Sun Haeng Cho, Hyun-Joo Hwang
  • Patent number: 9786724
    Abstract: An organic light emitting diode display includes: a display module including a first organic light emitting diode to emit light with a first wavelength, a second organic light emitting diode to emit light with a second wavelength, and a third organic light emitting diode to emit light with a third wavelength; a phase difference layer including a first liquid crystal pattern on the first organic light emitting diode, and a second liquid crystal pattern on the second organic light emitting diode and the third organic light emitting diode; and a linear polarization layer on the phase difference layer.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: October 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Choi, Hee Young Lee, Cheol Kyu Kim, Sun Haeng Cho, Hyun-Joo Hwang