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：US12135434B2

公开(公告)日：2024-11-05

申请号：US18336502

申请日：2023-06-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B27/28 ,  G01J4/04 ,  G02B5/20 ,  G02B5/28

Abstract: 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.

公开(公告)号：US20240080576A1

公开(公告)日：2024-03-07

申请号：US18107319

申请日：2023-02-08

Applicant: SAMSUNG ELECTRONICS CO.,LTD.

Inventor： Junhyuk MOON ,  Hyochul Kim ,  Heejin Choi

IPC: H04N23/84 ,  H04N25/10

CPC classification number: H04N23/841 ,  H04N25/10

Abstract: A method of deriving color response characteristics of an image acquisition device, the method including: collecting first training data sets; deriving a first-order color response characteristic of the image acquisition device by performing a matching operation of statistically matching a relationship between device coordinates and colorimetric coordinates of an image acquisition device using the first training data sets; collecting second training data sets corresponding to a spectrum of one or more edge regions of a color gamut of a color matching function representing a sensitivity of a human eye; and deriving a second-order color response characteristic of the image acquisition device by further performing the matching operation using the second training data sets.

公开(公告)号：US20240027663A1

公开(公告)日：2024-01-25

申请号：US18204139

申请日：2023-05-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngho JUNG ,  Hyochul Kim ,  Younggeun ROH

IPC: G02B5/20 ,  H04N25/13 ,  G02B5/26

CPC classification number: G02B5/201 ,  H04N25/134 ,  G02B5/26

Abstract: A spectral filter includes: a plurality of first filter arrays, each of the plurality of first filter arrays including a plurality of band filters; and a plurality of second filter arrays respectively provided on the plurality of first filter arrays, each of the plurality of second filter arrays including a plurality of unit filters respectively corresponding to the plurality of band filters. Each of the plurality of unit filters includes: a first reflecting plate; a second reflecting plate disposed above the first reflecting plate; and a plurality of cavities disposed between the first and second reflecting plates, each of the plurality of cavities having central wavelengths of different bands. Each of the plurality of cavities includes a cavity lower layer, a cavity upper layer, and a dielectric separation layer disposed between the cavity lower layer and the cavity upper layer.

公开(公告)号：US11848343B2

公开(公告)日：2023-12-19

申请号：US17367759

申请日：2021-07-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul Kim ,  Younggeun Roh

IPC: G02B5/28 ,  H01L27/146

CPC classification number: H01L27/14621 ,  G02B5/288 ,  H01L27/14643

Abstract: Provided are a spectral filter, a method of manufacturing the same, and an image sensor and an electronic device each including the spectral filter. The spectral filter includes a plurality of first reflective layers provided spaced apart from each other, and a plurality of cavities provided between the plurality of first reflective layers. The cavities have different thicknesses according to a center wavelength. Each of the cavities includes a plurality of etch stop layers having a constant total thickness according to the center wavelength, and at least one dielectric layer having a total thickness which changes according to the center wavelength, wherein the etch stop layers include materials having etch selectivities different than that of the dielectric layer.