Patents by Inventor Ho-keun KWAK

Ho-keun KWAK 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).

  • Optical lens assembly and method of forming image using the same
    Patent number: 11092779
    Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: August 17, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-keun Kwak, Jung-pa Seo, Byung-kwon Kang
  • OPTICAL LENS ASSEMBLY AND METHOD OF FORMING IMAGE USING THE SAME
    Publication number: 20200116978
    Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: Ho-keun KWAK, Jung-pa SEO, Byung-kwon KANG
  • Optical lens assembly and method of forming image using the same
    Patent number: 10558014
    Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: February 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-keun Kwak, Jung-pa Seo, Byung-kwon Kang
  • OPTICAL LENS ASSEMBLY AND METHOD OF FORMING IMAGE USING THE SAME
    Publication number: 20180164544
    Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 14, 2018
    Inventors: Ho-keun KWAK, Jung-pa SEO, Byung-kwon KANG