Patents by Inventor Sang Cho Choi

Sang Cho Choi 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).

  • Display device
    Patent number: 11956997
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
  • Hair-care cosmetic compositions having dandruff formation-suppressing effect
    Patent number: 6054450
    Abstract: Disclosed herein is hair-care cosmetic compositions comprising iodopropynyl butylcarbamate and/or a solution of zinc pyrithione in N-acyl ethylenediamine triacetate.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: April 25, 2000
    Assignee: Pacific Corporation
    Inventors: Moon Sam Shin, Sang Cho Choi, Yong Duk Kwak, Seong Hwan Seo, Han Il Jeong, Kyung Hee Seo
  • Hair-care cosmetic compositions having dandruff formation-suppressing effect
    Patent number: 5886031
    Abstract: Disclosed herein is hair-care cosmetic compositions comprising iodopropynyl butylcarbamate and/or a solution of zinc pyrithione in N-acyl ethylenediamine triacetate.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: March 23, 1999
    Assignee: Pacific Corporation
    Inventors: Moon Sam Shin, Sang Cho Choi, Yong Duk Kwak, Seong Hwan Seo, Han Il Jeong, Kyung Hee Seo