Patents by Inventor Yeonsang Park
Yeonsang 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).
-
Patent number: 11914181Abstract: Provided are an optical filter and a spectrometer including the optical filter. The optical filter includes at least one first filter element having a first center wavelength of a first wavelength band, and at least one second filter element arranged on a same plane as the at least one first filter element, the at least one second filter element having a second center wavelength of a second wavelength band. The at least one first filter element includes a first bandpass filter including a plurality of first Bragg reflective layers and at least one first cavity provided between the plurality of first Bragg reflective layers, and a first multi-layer provided on the first bandpass filter, the first multi-layer having a center wavelength different than the first center wavelength of the first Bragg reflective layers in order to block light of a wavelength band other than the first wavelength band.Type: GrantFiled: December 23, 2020Date of Patent: February 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyochul Kim, Younggeun Roh, Yeonsang Park, Jaesoong Lee
-
Patent number: 11828650Abstract: A light filter and a spectrometer including the light filter are disclosed. The light filter includes a plurality of filter units having different resonance wavelengths, wherein each of the plurality of filter units includes a cavity layer configured to output light of constructive interference, a Bragg reflection layer provided on a first surface of the cavity layer, and a pattern reflection layer provided on a second surface of the cavity layer opposite to the first surface and configured to cause guided mode resonance of light incident on the pattern reflection layer, the pattern reflection layer including a plurality of reflection structures that are periodically arranged.Type: GrantFiled: January 27, 2021Date of Patent: November 28, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jineun Kim, Younggeun Roh, Yeonsang Park, Hyochul Kim, Moonil Jung
-
Publication number: 20230333397Abstract: Provided is a polarization spectral filter, including: a first reflector and a second reflector disposed to face each other in a first direction; and a grating layer disposed between the first reflector and the second reflector. The grating layer includes a plurality of first grating elements and a plurality of second grating elements, the plurality of first grating elements and the plurality of second grating elements being alternately arranged in a second direction perpendicular to the first direction. The plurality of first grating elements include a first dielectric material having a first refractive index. The plurality of second grating elements include a second dielectric material having a second refractive index different from the first refractive index.Type: ApplicationFiled: June 16, 2023Publication date: October 19, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeonsang PARK, Hyochul Kim, Jaesoong Lee, Younggeun Roh
-
Publication number: 20230324724Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive indexType: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Junghyun PARK, Yeonsang PARK, Sunil Kim, Duhyun LEE, Byunggil JEONG
-
Patent number: 11768108Abstract: The disclosure provides an optical filter element including a plurality of nano-columns separated from each other in a horizontal direction and extended in a vertical direction, and each of the plurality of nano-columns includes a first material layer having an first extinction coefficient and second material layers having second extinction coefficients different from the first extinction coefficient of the first material layer and a spectrometer including the same.Type: GrantFiled: November 19, 2020Date of Patent: September 26, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaesoong Lee, Yeonsang Park, Hyochul Kim
-
Patent number: 11719951Abstract: Provided is a polarization spectral filter, including: a first reflector and a second reflector disposed to face each other in a first direction; and a grating layer disposed between the first reflector and the second reflector. The grating layer includes a plurality of first grating elements and a plurality of second grating elements, the plurality of first grating elements and the plurality of second grating elements being alternately arranged in a second direction perpendicular to the first direction. The plurality of first grating elements include a first dielectric material having a first refractive index. The plurality of second grating elements include a second dielectric material having a second refractive index different from the first refractive index.Type: GrantFiled: November 11, 2020Date of Patent: August 8, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeonsang Park, Hyochul Kim, Jaesoong Lee, Younggeun Roh
-
Patent number: 11714301Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive index.Type: GrantFiled: May 21, 2020Date of Patent: August 1, 2023Assignee: SAMSUNG ELEOTRONICC CO., LTD.Inventors: Junghyun Park, Yeonsang Park, Sunil Kim, Duhyun Lee, Byunggil Jeong
-
Patent number: 11686620Abstract: Provided is a spectral imaging apparatus. The spectral imaging apparatus includes: an optical filter including a plurality of band filter units having different center wavelengths; a sensing device configured to receive light passing through the optical filter; an imaging lens array including a plurality of lens units which respectively correspond to the plurality of band filter units and each implement imaging on the sensing device; and a transparent substrate which is apart from the sensing device. At least one of the optical filter and the imaging lens array is provided on the transparent substrate.Type: GrantFiled: October 14, 2021Date of Patent: June 27, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyochul Kim, Younggeun Roh, Yeonsang Park, Suyeon Lee
-
Publication number: 20220128407Abstract: Provided is a spectral filter including a first Bragg reflective layer, a second Bragg reflective layer that is spaced apart from the first Bragg reflective layer and includes a cavity, the first resonance layer being provided between the first Bragg reflective layer and the second Bragg reflective layer, a second resonance layer including at least a portion of the first Bragg reflective layer, the second Bragg reflective layer, and the cavity, a third Bragg reflective layer, a fourth Bragg reflective layer spaced apart from the third Bragg reflective layer, wherein the second resonance layer is provided between the third Bragg reflective layer and the fourth Bragg reflective layer.Type: ApplicationFiled: October 20, 2021Publication date: April 28, 2022Applicant: SAMSUNG ELECTRONICS CO, LTD.Inventors: Jaesoong LEE, Hyochul KIM, Yeonsang PARK
-
Publication number: 20220077363Abstract: A polarized light emitting device and a polarization analysis apparatus including the same are disclosed. The polarized light emitting device includes a first reflective layer and a second reflective layer disposed to face each other in a first direction, a gain medium layer between the first reflective layer and the second reflective layer, and a linear polarizer layer, wherein the linear polarizer layer includes a plurality of first grating elements alternately arranged with a plurality of second grating elements along a second direction perpendicular to the first direction, wherein each of the first grating elements includes a first dielectric material having a first refractive index, and wherein each of the second grating elements includes a second dielectric material having a second refractive index different from the first refractive index.Type: ApplicationFiled: September 3, 2021Publication date: March 10, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyochul Kim, Yeonsang Park
-
Publication number: 20220065696Abstract: Provided is a spectral imaging apparatus. The spectral imaging apparatus includes: an optical filter including a plurality of band filter units having different center wavelengths; a sensing device configured to receive light passing through the optical filter; an imaging lens array including a plurality of lens units which respectively correspond to the plurality of band filter units and each implement imaging on the sensing device; and a transparent substrate which is apart from the sensing device. At least one of the optical filter and the imaging lens array is provided on the transparent substrate.Type: ApplicationFiled: October 14, 2021Publication date: March 3, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyochul KIM, Younggeun ROH, Yeonsang PARK, Suyeon LEE
-
Publication number: 20220003906Abstract: Provided is a spectral filter including a first unit filter having a first center wavelength in a first wavelength range, and a second unit filter having a second center wavelength in a second wavelength range, wherein the first unit filter includes two first metal reflective layers provided spaced apart from each other and including a first metal, and a first cavity provided between the two first metal reflective layers, and wherein the second unit filter includes two second metal reflective layers provided spaced apart from each other and including a second metal different from the first metal, and a second cavity provided between the two second metal reflective layers.Type: ApplicationFiled: July 2, 2021Publication date: January 6, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyochul KIM, Younggeun ROH, Yeonsang PARK, Jaesoong LEE
-
Patent number: 11175182Abstract: Provided is a spectral imaging apparatus. The spectral imaging apparatus includes: an optical filter including a plurality of band filter units having different center wavelengths; a sensing device configured to receive light passing through the optical filter; an imaging lens array including a plurality of lens units which respectively correspond to the plurality of band filter units and each implement imaging on the sensing device; and a transparent substrate which is apart from the sensing device. At least one of the optical filter and the imaging lens array is provided on the transparent substrate.Type: GrantFiled: December 13, 2019Date of Patent: November 16, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyochul Kim, Younggeun Roh, Yeonsang Park, Suyeon Lee
-
Publication number: 20210318477Abstract: Provided are an optical filter and a spectrometer including the optical filter. The optical filter includes at least one first filter element having a first center wavelength of a first wavelength band, and at least one second filter element arranged on a same plane as the at least one first filter element, the at least one second filter element having a second center wavelength of a second wavelength band. The at least one first filter element includes a first bandpass filter including a plurality of first Bragg reflective layers and at least one first cavity provided between the plurality of first Bragg reflective layers, and a first multi-layer provided on the first bandpass filter, the first multi-layer having a center wavelength different than the first center wavelength of the first Bragg reflective layers in order to block light of a wavelength band other than the first wavelength band.Type: ApplicationFiled: December 23, 2020Publication date: October 14, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyochul Kim, Younggeun Roh, Yeonsang Park, Jaesoong Lee
-
Publication number: 20210191141Abstract: Provided is a polarization spectral filter, including: a first reflector and a second reflector disposed to face each other in a first direction; and a grating layer disposed between the first reflector and the second reflector. The grating layer includes a plurality of first grating elements and a plurality of second grating elements, the plurality of first grating elements and the plurality of second grating elements being alternately arranged in a second direction perpendicular to the first direction. The plurality of first grating elements include a first dielectric material having a first refractive index. The plurality of second grating elements include a second dielectric material having a second refractive index different from the first refractive index.Type: ApplicationFiled: November 11, 2020Publication date: June 24, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeonsang PARK, Hyochul KIM, Jaesoong LEE, Younggeun ROH
-
Publication number: 20210173239Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive indexType: ApplicationFiled: May 21, 2020Publication date: June 10, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Junghyun PARK, Yeonsang PARK, Sunil KIM, Duhyun LEE, Byunggil JEONG
-
Publication number: 20210148757Abstract: A light filter and a spectrometer including the light filter are disclosed. The light filter includes a plurality of filter units having different resonance wavelengths, wherein each of the plurality of filter units includes a cavity layer configured to output light of constructive interference, a Bragg reflection layer provided on a first surface of the cavity layer, and a pattern reflection layer provided on a second surface of the cavity layer opposite to the first surface and configured to cause guided mode resonance of light incident on the pattern reflection layer, the pattern reflection layer including a plurality of reflection structures that are periodically arranged.Type: ApplicationFiled: January 27, 2021Publication date: May 20, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jineun KIM, Younggeun ROH, Yeonsang PARK, Hyochul KIM, Moonil JUNG
-
Publication number: 20210148755Abstract: The disclosure provides an optical filter element including a plurality of nano-columns separated from each other in a horizontal direction and extended in a vertical direction, and each of the plurality of nano-columns includes a first material layer having an first extinction coefficient and second material layers having second extinction coefficients different from the first extinction coefficient of the first material layer and a spectrometer including the same.Type: ApplicationFiled: November 19, 2020Publication date: May 20, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaesoong LEE, Yeonsang PARK, Hyochul KIM
-
Patent number: 10928248Abstract: A light filter and a spectrometer including the light filter are disclosed. The light filter includes a plurality of filter units having different resonance wavelengths, wherein each of the plurality of filter units includes a cavity layer configured to output light of constructive interference, a Bragg reflection layer provided on a first surface of the cavity layer, and a pattern reflection layer provided on a second surface of the cavity layer opposite to the first surface and configured to cause guided mode resonance of light incident on the pattern reflection layer, the pattern reflection layer including a plurality of reflection structures that are periodically arranged.Type: GrantFiled: February 28, 2019Date of Patent: February 23, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jineun Kim, Younggeun Roh, Yeonsang Park, Hyochul Kim, Moonil Jung
-
Publication number: 20210048342Abstract: Provided is a spectral imaging apparatus. The spectral imaging apparatus includes: an optical filter including a plurality of band filter units having different center wavelengths; a sensing device configured to receive light passing through the optical filter; an imaging lens array including a plurality of lens units which respectively correspond to the plurality of band filter units and each implement imaging on the sensing device; and a transparent substrate which is apart from the sensing device. At least one of the optical filter and the imaging lens array is provided on the transparent substrate.Type: ApplicationFiled: December 13, 2019Publication date: February 18, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyochul KIM, Younggeun ROH, Yeonsang PARK, Suyeon LEE