Patents by Inventor Yun-Jin Ko

Yun-Jin Ko 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: 20240163234
    Abstract: Provided is a method of operating a terminal. The method includes determining a profile item applicable to the profile view for the account based on an input received by the terminal and a coordinate indicating a position where the profile item is provided on the profile view. The method includes displaying the profile item on a screen of the terminal based on the determined profile item and the determined coordinate. The method includes receiving an input related to the profile item, and displaying a visual effect corresponding to the input on the screen.
    Type: Application
    Filed: November 8, 2023
    Publication date: May 16, 2024
    Inventors: Sul Gi KIM, Ji Hwi PARK, Yun Jin KIM, Nam Hee KO, Hye Seon KIM, Bo Young JANG, Seung Yong JI, Jae Ick HWANG, Sun Je BANG, Ji On CHU, Hye Mi LEE, Shin Young LEE, Seung Uk JEONG, Eun Ho SON, Sang Min SEO, Jeong Ryeol CHOI
  • Patent number: 7468825
    Abstract: Disclosed is an optical modulator including: a substrate; an insulation layer disposed on the substrate; a ribbon layer, a center portion of which is spaced apart from the insulation layer by a predetermined gap; a piezoelectric element that is disposed on the ribbon layer and allows the center portion of the ribbon layer to bend vertically; and a passivation layer that is disposed on the piezoelectric element and comprises a main passivation film.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: December 23, 2008
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Je-Hong Kyoung, Jae-Wook Jang, Jong-Hyeong Song, Yun-Jin Ko, Seung-Do An
  • Patent number: 7443076
    Abstract: Disclosed herein is a diffractive thin-film piezoelectric light modulator, in which a lower protective layer is formed on a lower support to prevent the lower support from being over-etched when etching, thus increasing the surface smoothness of the lower support and of a micro-mirror. In addition, a method of fabricating the diffractive thin-film piezoelectric light modulator is also provided.
    Type: Grant
    Filed: April 22, 2005
    Date of Patent: October 28, 2008
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Min Suk Oh, Yun Jin Ko, Jong Sam Kim
  • Patent number: 7388701
    Abstract: An optical modulator having a junction layer is disclosed. An optical modulator may be provided which includes a substrate, an insulation layer positioned on the substrate, a ribbon layer positioned with an intermediate portion spaced apart from the insulation layer by a predetermined distance, a protective layer positioned on both ends of the ribbon layer, a junction layer positioned on the protective layer which has an adhesive property and which prevents the diffusion of gas, and a piezoelectric element joined with the protective layer by way of the junction layer interposed in-between which moves the intermediate portion of the ribbon layer toward and away from the substrate. In certain embodiments of the invention, the light diffraction property and reliability of the overall optical modulator can be maximized, by positioning a junction layer, having improved adhesion and capable of preventing the diffusion of oxygen, on the lower surface of the piezoelectric elements.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: June 17, 2008
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jeong-Suong Yang, Yun-Jin Ko, Jong-Hyeong Song
  • Publication number: 20070146859
    Abstract: An optical modulator having a junction layer is disclosed. An optical modulator may be provided which includes a substrate, an insulation layer positioned on the substrate, a ribbon layer positioned with an intermediate portion spaced apart from the insulation layer by a predetermined distance, a protective layer positioned on both ends of the ribbon layer, a junction layer positioned on the protective layer which has an adhesive property and which prevents the diffusion of gas, and a piezoelectric element joined with the protective layer by way of the junction layer interposed in-between which moves the intermediate portion of the ribbon layer toward and away from the substrate. In certain embodiments of the invention, the light diffraction property and reliability of the overall optical modulator can be maximized, by positioning a junction layer, having improved adhesion and capable of preventing the diffusion of oxygen, on the lower surface of the piezoelectric elements.
    Type: Application
    Filed: December 15, 2006
    Publication date: June 28, 2007
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jeong-Suong Yang, Yun-Jin Ko, Jong-Hyeong Song
  • Publication number: 20070097488
    Abstract: Disclosed is an optical modulator including: a substrate; an insulation layer disposed on the substrate; a ribbon layer, a center portion of which is spaced apart from the insulation layer by a predetermined gap; a piezoelectric element that is disposed on the ribbon layer and allows the center portion of the ribbon layer to bend vertically; and a passivation layer that is disposed on the piezoelectric element and comprises a main passivation film.
    Type: Application
    Filed: October 31, 2006
    Publication date: May 3, 2007
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Je-Hong Kyoung, Jae-Wook Jang, Jong-Hyeong Song, Yun-Jin Ko, Seung-Do An
  • Patent number: 6043925
    Abstract: An array of thin film actuated mirrors includes: an active matrix including a substrate, an array of connecting terminals; and an array of actuating structures, each of the actuating structures including an upper electrode functioning as a mirror as well as a common bias electrode, an electrodisplacive member made of a piezoelectric material, a seeding member made of a material having the same crystal structure and growth direction as that of the piezoelectric material constituting the electrodisplacive member, a lower electrode functioning as a signal electrode, an elastic member and a via contact.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: March 28, 2000
    Assignee: Daewoo Electronics Co., Ltd.
    Inventors: Na-Young Ryu, Yun-Jin Ko