Patents by Inventor Sangeun MUN

Sangeun MUN 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: 20240027797
    Abstract: A wearable electronic device may include a frame, a first temple connected to one side of the frame, a second temple connected to an opposite side of the frame, and a camera located in one region of the frame. The camera may include a lens module including at least one meta-lens in which nanostructures are arranged in two dimensions and an image sensor that detects light guided by the lens module.
    Type: Application
    Filed: October 5, 2023
    Publication date: January 25, 2024
    Inventors: Doukyoung SONG, Sangeun MUN, Seunghoon HAN, Jina JEON
  • Publication number: 20240015383
    Abstract: An image sensor includes a sensor substrate including a plurality of pixels for sensing incident light, and a nano-photonic microlens array arranged to face a light incident surface of the sensor substrate, and including a plurality of nano-photonic microlenses for condensing incident light. Each of the plurality of pixels includes a plurality of photosensitive cells that are two-dimensionally arranged in a first direction and a second direction perpendicular to the first direction and are configured to independently sense the incident light, and an isolation for electrically isolating the plurality of photosensitive cells, each of the nano-photonic microlenses includes a plurality of nano-structures that are arranged such that the light transmitting each of the nano-photonic microlenses has a convex phase profile, and the plurality of nano-structures are arranged in the form of a two-dimensional array in a diagonal direction between the first direction and the second direction.
    Type: Application
    Filed: June 29, 2023
    Publication date: January 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sangeun Mun, Sookyoung Roh, Sungmo Ahn, Choonlae Cho
  • Publication number: 20230420480
    Abstract: An image sensor may include a pixel array including a plurality of two-dimensionally arranged pixels. Each pixel may include a first meta-photodiode absorbing light of a first wavelength band; a second meta-photodiode absorbing light in a second wavelength band; and a third meta-photodiode absorbing light of a third wavelength band, wherein the first meta-photodiode, the second meta-photodiode, and the third meta-photodiode may be arranged in an area having a size less than a diffraction limit. The arrangement form of the first meta-photodiode, the second meta-photodiode, and the third meta-photodiode arranged in the plurality of pixels in a central portion of the pixel array may be the same as the arrangement form of the first meta-photodiode, the second meta-photodiode, and the third meta-photodiode arranged in the plurality of pixels in a periphery of the pixel array.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 28, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Junho LEE, Sookyoung Roh, Sangeun Mun, Seokho Yun
  • Patent number: 11852840
    Abstract: A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokil Moon, Sangeun Mun, Sunil Kim, Wontaek Seo, Geeyoung Sung, Bongsu Shin, Daeho Yang, Hongseok Lee, Seunghoon Han
  • Patent number: 11822106
    Abstract: Provided is a meta optical device including a plurality of phase modulation regions respectively including a plurality of nanostructures that have shapes and arrangement based on a preset rule, the plurality of phase modulation regions being configured to modulate a phase of incident light of a preset wavelength band, wherein at least two phase modulation regions of the plurality of phase modulation regions have phase modulation ranges in a first direction that are same, and wherein the plurality of nanostructures included in the at least two phase modulation regions have width ranges in the first direction that are different from each other.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: November 21, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., UNIVERSITY OF MASSACHUSETTS
    Inventors: Seunghoon Han, Mahdad Mansouree, Amir Arbabi, Sangeun Mun
  • Publication number: 20230352506
    Abstract: The present disclosure provides meta-optical elements and image sensors using a meta-pattern and apparatuses including the image sensors. In an embodiment, an image sensor includes a plurality of pixels. Each pixel of the plurality of pixels includes a photoelectric conversion layer including at least one photoelectric conversion element, and a color routing meta-structure layer provided at a position facing the photoelectric conversion layer. The color routing meta-structure layer includes a meta-structure having a symmetrical structure with respect to a center of a corresponding pixel, and a multi-layer structure having a refractive index that varies in a direction perpendicular to a light-incident surface.
    Type: Application
    Filed: May 2, 2023
    Publication date: November 2, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Sungmo AHN, Sangeun Mun, Shanhui Fan, Peter Bert Catrysse, Hongkyu Park, Minwoo Lim, Choonlae Cho
  • Publication number: 20230341675
    Abstract: A meta-optical device includes a plurality of phase modulation areas configured to modulate a phase of an incident light, each of the plurality of phase modulation areas including a plurality of nanostructures having a shape and an arrangement that are determined according to a respective rule set for each of the plurality of phase modulation areas; and a compensation area located between a kth phase modulation area and a (k+1)th phase modulation area adjacent to each other, from among the plurality of phase modulation areas, and including a compensation structure for buffering an effective refractive index change occurring in a boundary area between the kth phase modulation area and the (k+1)th phase modulation area according to respective rules of the kth phase modulation area and the (k+1)th phase modulation area, wherein N is a number of the plurality of phase modulation areas, k and N are natural numbers, and k is equal to or greater than 1 and less than N.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangeun MUN, Hyeonsoo Park, Hyunsung Park, Seunghoon Han
  • Patent number: 11726310
    Abstract: A meta-optical device includes a plurality of phase modulation areas configured to modulate a phase of an incident light, each of the plurality of phase modulation areas including a plurality of nanostructures having a shape and an arrangement that are determined according to a respective rule set for each of the plurality of phase modulation areas; and a compensation area located between a kth phase modulation area and a (k+1)th phase modulation area adjacent to each other, from among the plurality of phase modulation areas, and including a compensation structure for buffering an effective refractive index change occurring in a boundary area between the kth phase modulation area and the (k+1)th phase modulation area according to respective rules of the kth phase modulation area and the (k+1)th phase modulation area, wherein N is a number of the plurality of phase modulation areas, k and N are natural numbers, and k is equal to or greater than 1 and less than N.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangeun Mun, Hyeonsoo Park, Hyunsung Park, Seunghoon Han
  • Publication number: 20230228912
    Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 20, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangeun MUN, Seunghoon HAN, Seaum KIM, Hyunsung Park
  • Publication number: 20230139533
    Abstract: An optical sensor includes: a sensor substrate including a plurality of pixels that sense incident light, a filter layer arranged on the sensor substrate and including a plurality of filters corresponding to the plurality of pixels, the plurality of filters transmitting only light of a particular wavelength band, and a nanophotonic microlens array arranged on the filter layer and including a plurality of nanophotonic microlenses, each of which focuses incident light on a corresponding pixel among the plurality of pixels.
    Type: Application
    Filed: November 1, 2022
    Publication date: May 4, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangeun MUN, Sookyoung ROH, Sungmo AHN, Seokho YUN
  • Patent number: 11630238
    Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: April 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangeun Mun, Seunghoon Han, Seaum Kim, Hyunsung Park
  • Publication number: 20230044798
    Abstract: Provided is an image sensor including a color separating lens array and an electronic device including the color sensor. The image sensor includes a sensor substrate including a plurality of first pixels and a plurality of second pixels and having a two-dimensional array of unit pixels including the first pixel and the second pixel; and a color separating lens array configured to concentrate light of a first wavelength on each of the first pixels, and concentrate light of a second wavelength on each of the second pixels, wherein at least one pixel of the unit pixel includes a plurality of light sensing cells for independently sensing light by being electrically separated by a deep trench isolation (DTI) structure, and the color separating lens array includes a nanopost array, which does not include a nanopost provided on the DTI structure.
    Type: Application
    Filed: August 5, 2022
    Publication date: February 9, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungmo AHN, Sookyoung ROH, Sangyun LEE, Sangeun MUN, Seokho YUN
  • Publication number: 20230031010
    Abstract: Provided is an image sensor including a metasurface having a light resonance function. The image sensor includes a photoelectric conversion layer, an interlayer material layer on the photoelectric conversion layer, and a single meta pattern layer on the interlayer material layer, wherein the meta pattern layer includes a metasurface, the metasurface having a same phase profile as that of a lens, and the meta pattern layer has a height that causes a resonance at a given wavelength of incident light to block transmission of the given wavelength through the meta pattern layer.
    Type: Application
    Filed: June 16, 2022
    Publication date: February 2, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Junho LEE, Sangeun Mun, Sookyoung Roh, Sungmo Ahn, Seokho Yun
  • Publication number: 20230020980
    Abstract: An optical sensor including a planar nano-photonic microlens array and an electronic apparatus including the same are provided. The optical sensor may include: a sensor substrate including a plurality of photosensitive cells for sensing light; a filter layer provided on the sensor substrate; and a planar nano-photonic microlens array provided on the filter layer, and including a plurality of planar nano-photonic microlenses, wherein the plurality of planar nano-photonic microlenses are two-dimensionally arranged in a first direction and a second direction that is perpendicular to the first direction, and each of the planar nano-photonic microlenses include nano-structures arranged such that the light transmitting through each of the planar nano-photonic microlenses has a phase profile in which a phase change curve is convex in the first direction and the second direction.
    Type: Application
    Filed: March 22, 2022
    Publication date: January 19, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangeun MUN, Junho Lee, Sookyoung Roh, Sungmo Ahn, Seokho Yun
  • Publication number: 20220232148
    Abstract: An electronic device according to various embodiments disclosed herein may include a lens assembly having a structure in which at least one meta-lens and a spacer member are stacked, and an image sensor assembly attached to one side of the lens assembly to receive light passing through the lens assembly and convert the light into an optical signal. The spacer member may be fixed to one side of the lens assembly between the image sensor assembly and the lens assembly such that a cavity is defined by an inner side surface of the spacer member, a bottom surface of the lens assembly, and a top surface of the image sensor assembly.
    Type: Application
    Filed: January 28, 2022
    Publication date: July 21, 2022
    Inventors: Doukyoung SONG, Sangeun MUN, Jina JEON, Hyoungil SONG, Seunghoon HAN
  • Publication number: 20220171209
    Abstract: A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.
    Type: Application
    Filed: April 27, 2021
    Publication date: June 2, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokil MOON, Sangeun MUN, Sunil KIM, Wontaek SEO, Geeyoung SUNG, Bongsu SHIN, Daeho YANG, Hongseok LEE, Seunghoon HAN
  • Publication number: 20220082815
    Abstract: A meta-optical device includes a plurality of phase modulation areas configured to modulate a phase of an incident light, each of the plurality of phase modulation areas including a plurality of nanostructures having a shape and an arrangement that are determined according to a respective rule set for each of the plurality of phase modulation areas; and a compensation area located between a kth phase modulation area and a (k+1)th phase modulation area adjacent to each other, from among the plurality of phase modulation areas, and including a compensation structure for buffering an effective refractive index change occurring in a boundary area between the kth phase modulation area and the (k+1)th phase modulation area according to respective rules of the kth phase modulation area and the (k+1)th phase modulation area, wherein N is a number of the plurality of phase modulation areas, k and N are natural numbers, and k is equal to or greater than 1 and less than N.
    Type: Application
    Filed: February 12, 2021
    Publication date: March 17, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangeun MUN, Hyeonsoo Park, Hyunsung Park, Seunghoon Han
  • Publication number: 20220082731
    Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.
    Type: Application
    Filed: August 17, 2021
    Publication date: March 17, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangeun MUN, Seunghoon HAN, Seaum KIM, Hyunsung PARK
  • Publication number: 20210405270
    Abstract: Provided is a meta optical device including a plurality of phase modulation regions respectively including a plurality of nanostructures that have shapes and arrangement based on a preset rule, the plurality of phase modulation regions being configured to modulate a phase of incident light of a preset wavelength band, wherein at least two phase modulation regions of the plurality of phase modulation regions have phase modulation ranges in a first direction that are same, and wherein the plurality of nanostructures included in the at least two phase modulation regions have width ranges in the first direction that are different from each other.
    Type: Application
    Filed: April 13, 2021
    Publication date: December 30, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., UNIVERSITY OF MASSACHUSETTS
    Inventors: Seunghoon HAN, Mahdad MANSOUREE, Amir ARBABI, Sangeun MUN