公开(公告)号：US11175182B2

公开(公告)日：2021-11-16

申请号：US16713131

申请日：2019-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Younggeun Roh ,  Yeonsang Park ,  Suyeon Lee

IPC: G01J3/28 ,  G02B5/20

Abstract: 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.

公开(公告)号：US20210318477A1

公开(公告)日：2021-10-14

申请号：US17132200

申请日：2020-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Younggeun Roh ,  Yeonsang Park ,  Jaesoong Lee

IPC: G02B5/28 ,  G02B5/20 ,  G01J3/28

Abstract: 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.

公开(公告)号：US11024662B2

公开(公告)日：2021-06-01

申请号：US16385503

申请日：2019-04-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Younggeun Roh

IPC: H01L27/146 ,  H01L25/04 ,  H01L23/64 ,  H01L23/552 ,  H01L27/148

Abstract: Provided are a dual image sensor including an image sensor including a first area and a second area, the first area and the second area including a plurality of pixels, respectively, a band-pass filter layer provided on the first area, the band-pass filter layer configured to transmit light emitted by an object and having a specific wavelength corresponding to physical property information of the object to the image sensor, and a planarization layer provided on the second area and on the same plane as the band-pass filter layer.

公开(公告)号：US10895499B2

公开(公告)日：2021-01-19

申请号：US16678724

申请日：2019-11-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngzoon Yoon ,  Hyochul Kim ,  Younggeun Roh

IPC: G01J3/28 ,  G01J3/02 ,  G01J3/44 ,  G01J3/12

Abstract: A spectrometer includes a light conduit configured to align scattered light scattered in a target by light output from a light source into a collimated beam, and a beam block configured to restrict an angle of the scattered light and detect the scattered light via the light conduit or the beam block through a filter array and a detector, thereby achieving miniaturization in a pen type or a flat plate shape while maintaining a spectral characteristic.

公开(公告)号：US10511148B2

公开(公告)日：2019-12-17

申请号：US15941823

申请日：2018-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jineun Kim ,  Unjeong Kim ,  Hyochul Kim ,  Yeonsang Park ,  Moonil Jung

IPC: H01S5/183 ,  H01S5/026 ,  H01S5/068 ,  H01S5/06 ,  H01S5/343 ,  H01S5/04

Abstract: A tunable laser device is provided. The tunable laser device includes an active layer configured to generate first light by a first source; first and second reflective layers spaced apart from each other having the active layer disposed between the first reflective layer and the second reflective layer to form a resonance cavity; and a variable refractive index unit in the resonance cavity and having a refractive index being variable according to a second source, the second source being different from the first source.

公开(公告)号：US10393580B2

公开(公告)日：2019-08-27

申请号：US15805590

申请日：2017-11-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Younggeun Roh

IPC: G01J3/02 ,  G01J3/12 ,  G01J3/18 ,  G01J3/28 ,  G01J3/36

Abstract: A spectrometer is provided and includes a substrate including a transparent material, and a filter array disposed on a first surface of the substrate and including light filters configured to reflect first light. The spectrometer further includes a first light detector into which the first light reflected by the light filters enters, the first light detector being disposed on a second surface of the substrate.

公开(公告)号：US12272775B2

公开(公告)日：2025-04-08

申请号：US17466791

申请日：2021-09-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Yeonsang Park

IPC: G02B5/30 ,  G02B27/28 ,  H01L33/58

Abstract: 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.

公开(公告)号：US12243888B2

公开(公告)日：2025-03-04

申请号：US17377729

申请日：2021-07-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Younggeun Roh

IPC: H01L23/00 ,  H01L27/146 ,  H04N25/131

Abstract: An image sensor and an image processing method of the image sensor are provided. The image sensor includes: a spectral filter including a plurality of unit filters arranged in two dimensions and having different wavelengths; an image sensor including a pixel array receiving light transmitted through the spectral filter and outputting image signals; and a processor performing image processing on image signals output from the pixel array.

公开(公告)号：US12108169B2

公开(公告)日：2024-10-01

申请号：US18094044

申请日：2023-01-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Jaesoong Lee ,  Younggeun Roh

IPC: H04N25/13 ,  G01J3/26 ,  G02B5/20 ,  G02B5/26 ,  G02B5/28 ,  H01L27/146 ,  H04N25/11

CPC classification number: H04N25/13 ,  G02B5/201 ,  G02B5/26

Abstract: A spectral filter may include a plurality of filter arrays each including a plurality of unit filters having different center wavelengths from each other. Each of the plurality of unit filters may include a first metal reflection layer and a second metal reflection layer which are disposed to be apart from each other; a cavity including a first pattern and being arranged between the first metal reflection layer and the second metal reflection layer; and a lower pattern film being disposed under the first metal reflection layer and including a second pattern. In unit filters having a same center wavelength in each of the plurality of unit filters corresponding to the plurality of filter arrays, the first pattern of the cavity and the second pattern of the lower pattern film may vary according to a position of the unit filters.

公开(公告)号：US11996430B2

公开(公告)日：2024-05-28

申请号：US17334116

申请日：2021-05-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Younggeun Roh

IPC: H01L27/146 ,  H01L27/148

CPC classification number: H01L27/14629 ,  H01L27/14621 ,  H01L27/14627 ,  H01L27/14643 ,  H01L27/148

Abstract: Provided are a dual image sensor including an image sensor including a first area and a second area, the first area and the second area including a plurality of pixels, respectively, a band-pass filter layer provided on the first area, the band-pass filter layer configured to transmit light emitted by an object and having a specific wavelength corresponding to physical property information of the object to the image sensor, and a planarization layer provided on the second area and on the same plane as the band-pass filter layer.