Patents by Inventor Il-Yong Park

Il-Yong Park 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).

  • High resolution optical system including six lenses of +?+?+? refractive powers
    Patent number: 11300715
    Abstract: The present invention relates to a high resolution optical system. The optical system of the present invention includes, sequentially from an object side, a first lens having a positive refractive power and an object-side surface convex toward the object side; a second lens having a negative refractive power and an upwardly concave upper surface; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power and an upwardly convex upper surface; and a six lens having a negative refractive power and an upwardly concave upper surface.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: April 12, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Phil Ho Jung, Il Yong Park
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220099943
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens disposed sequentially from an object side The first lens and the second lens each have a positive refractive power, and the third lens has a negative refractive power, and D12/D_MAX<0.15 is satisfied, where D12 is a distance on an optical axis between an image-side surface of the first lens and an object-side surface of the second lens, and D_MAX is a greatest distance among distances between neighboring lenses.
    Type: Application
    Filed: February 17, 2021
    Publication date: March 31, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Il Yong PARK, In Do SEO, Yong Joo JO
  • Optical imaging system
    Patent number: 11262541
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens having negative refractive power, a fifth lens having positive refractive power, a sixth lens having a convex image-side surface, and a seventh lens, disposed sequentially from an object side. The optical imaging system satisfies ?5.0<f2/f<?2.0, where f is a focal length of the optical imaging system and f2 is a focal length of the second lens. An F No. of the optical imaging system is less than 1.7.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: March 1, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Il Yong Park, In Do Seo, Yong Joo Jo
  • Tinnitus testing device using brain waves and tinnitus testing method using same
    Patent number: 11224376
    Abstract: The tinnitus testing apparatus of this invention comprises a control part that in turn comprises: an auditory stimulus generation part that can generate a stimulus; and an AEP acquisition and amplitude measurement part that can acquire auditory evoked potential (AEP) brain waves of a examinee due to said stimulus and measure the specific amplitude of said acquired brainwaves; wherein said auditory stimulus is one or more of: a 1st stimulus containing continuous noise and pulse noise; and a 2nd stimulus containing pulse noise and continuous noise with a silent gap.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: January 18, 2022
    Assignee: Industry-Academic Cooperation Foundation, Dankook University
    Inventors: Myung Whan Suh, Il Yong Park, Seung Ha Oh, Chung Ku Rhee, Phil Sang Chung
  • Sheet, method for manufacturing the same, and tire comprising the same
    Patent number: 11214095
    Abstract: Provided are a sheet, a method of its preparation, and a tire comprising the sheet, wherein the sheet comprises tire cords, a topping rubber for topping the tire cords, and a conductive fiber located on the surface of the topping rubber. The sheet can provide tires, on which a rubber composition with a low electricity-transmitting property and low rolling resistance is applied, with excellent conductivity.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: January 4, 2022
    Inventors: Ji Wan Lee, Mi Jung Lee, Sung Tae Kim, Kil Ju Ko, Il Yong Park, Su Hong Sung
  • OPTICAL IMAGING SYSTEM
    Publication number: 20210382273
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens disposed in order from an object side, wherein TTL/(2*IMG HT)?0.6 is satisfied, where TTL is a distance on an optical axis from an object-side surface of the first lens to an imaging plane of an image sensor, and IMG HT is half a diagonal length of the imaging plane of the image sensor.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 9, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Il Yong PARK, Yong Joo JO
  • OPTICAL IMAGING SYSTEM
    Publication number: 20210109320
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, sequentially arranged from an object side, wherein TTL/(2*Img HT)<0.7, where a distance on an optical axis from an object-side surface of the first lens to an imaging plane of an image sensor is TTL, and half of a diagonal length of the imaging plane of the image sensor is Img HT, and Fno<1.9, where an F-number of the optical imaging system is Fno.
    Type: Application
    Filed: January 23, 2020
    Publication date: April 15, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Il Yong PARK, Hyo Jin HWANG, Yong Joo JO, Min Hyuk IM
  • OPTICAL IMAGING SYSTEM
    Publication number: 20210103130
    Abstract: An optical imaging system includes a first lens having a negative refractive power, a convex object-side surface, and a concave image-side surface; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power and an image-side surface having an inflection point. The first to sixth lenses are sequentially disposed in ascending numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system.
    Type: Application
    Filed: December 17, 2020
    Publication date: April 8, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong PARK
  • OPTICAL IMAGING SYSTEM
    Publication number: 20210063688
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially disposed in ascending numerical order along an optical axis from an object-side surface of the first lens toward an imaging plane of the optical imaging system, wherein the conditional expression 11?TTL/IMG_HT is satisfied, where TTL is a distance along the optical axis from the object-side surface of the first lens to the imaging plane, and IMG_HT is one-half of a diagonal length of the imaging plane.
    Type: Application
    Filed: August 31, 2020
    Publication date: March 4, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kil Soo SHIN, Yong Joo JO, Il Yong PARK, Hyo Jin HWANG
  • OPTICAL IMAGING SYSTEM
    Publication number: 20210063708
    Abstract: An optical imaging system a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the optical imaging system satisfies 0.5<L1234TRavg/L7TR<0.9, where L1234TRavg is an average value of overall outer diameters of the first to fourth lenses, L7TR is an overall outer diameter of the seventh lens, and L1234TRavg and L7TR are expressed in a same unit of measurement.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 4, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Il Yong PARK, Dong Shin YANG, Yong Joo JO, Ga Young AN
  • OPTICAL IMAGING SYSTEM
    Publication number: 20210048647
    Abstract: An optical imaging system a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the optical imaging system satisfies 0.5<L1234TRavg/L7TR<0.9, where L1234TRavg is an average value of overall outer diameters of the first to fourth lenses, L7TR is an overall outer diameter of the seventh lens, and L1234TRavg and L7TR are expressed in a same unit of measurement.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 18, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Il Yong PARK, Dong Shin YANG, Yong Joo JO, Ga Young AN
  • LENS MODULE
    Publication number: 20210041675
    Abstract: A lens module includes a first lens having refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power and having a concave object-side surface and a concave image-side surface, and a sixth lens having refractive power and a concave image-side surface. The first to sixth lenses are sequentially disposed from an object side to an image side.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 11, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong PARK
  • OPTICAL SYSTEM
    Publication number: 20210041676
    Abstract: An optical system includes a first lens including a negative refractive power and a convex object-side surface, a second lens, and a third lens including a negative refractive power and a convex object-side surface. The optical system also includes a fourth lens, a fifth lens including a negative refractive power, and a sixth lens including a negative refractive power and comprising an inflection point on an image-side surface thereof. The first to sixth lenses are sequentially disposed from an object toward an imaging plane.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 11, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong PARK
  • OPTICAL IMAGING SYSTEM
    Publication number: 20210041672
    Abstract: An optical imaging system includes a first lens having a concave image-side surface, a second lens having a concave image-side surface, and a third lens having a positive refractive power. The optical imaging system includes a fourth lens having a positive refractive power and a concave object-side surface, a fifth lens, a sixth lens having a positive refractive power, and a seventh lens having a concave object-side surface. The first lens to the seventh lens are sequentially disposed at intervals from an object side toward an imaging plane.
    Type: Application
    Filed: October 23, 2020
    Publication date: February 11, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong PARK
  • Optical imaging system
    Patent number: 10901182
    Abstract: An optical imaging system includes a first lens having a negative refractive power, a convex object-side surface and a concave image-side surface; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power. An image-side surface of the sixth lens has an inflection point. The first through sixth lenses are disposed sequentially from an object side toward an imaging plane.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: January 26, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong Park
  • OPTICAL IMAGING SYSTEM
    Publication number: 20210003825
    Abstract: An optical imaging system includes lenses sequentially disposed from an object side toward an imaging plane. A third lens, a fourth lens, and a fifth lens of the lenses each have a negative refractive power. An F number of the optical imaging system is 1.7 or less.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong PARK
  • Optical imaging system
    Patent number: 10852515
    Abstract: An optical imaging system includes a first lens having a concave image-side surface, a second lens having a concave image-side surface, and a third lens having a positive refractive power. The optical imaging system includes a fourth lens having a positive refractive power and a concave object-side surface, a fifth lens, a sixth lens having a positive refractive power, and a seventh lens having a concave object-side surface. The first lens to the seventh lens are sequentially disposed at intervals from an object side toward an imaging plane.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: December 1, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong Park
  • Lens module
    Patent number: 10852512
    Abstract: A lens module includes a first lens having refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power and having a concave object-side surface and a concave image-side surface, and a sixth lens having refractive power and a concave image-side surface. The first to sixth lenses are sequentially disposed from an object side to an image side.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: December 1, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong Park
  • Optical system
    Patent number: 10852509
    Abstract: An optical system includes a first lens including a negative refractive power and a convex object-side surface, a second lens, and a third lens including a negative refractive power and a convex object-side surface. The optical system also includes a fourth lens, a fifth lens including a negative refractive power, and a sixth lens including a negative refractive power and comprising an inflection point on an image-side surface thereof. The first to sixth lenses are sequentially disposed from an object toward an imaging plane.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: December 1, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong Park
  • Optical imaging system
    Patent number: 10845574
    Abstract: An optical imaging system includes a first lens having a positive refractive power, an image-side surface of the first lens being concave, a second lens, a third lens, an image-side surface of the third lens being concave, a fourth lens, a fifth lens, an image-side surface of the fifth lens being concave, and a sixth lens having a positive refractive power and having an inflection point formed on an image-side surface, wherein an F number of the optical imaging system is lower than 2.2.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: November 24, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong Park