公开(公告)号：US20230251408A1

公开(公告)日：2023-08-10

申请号：US17884740

申请日：2022-08-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul KIM ,  Moonsook Lee ,  Younggeun ROH

IPC: G02B5/20 ,  G02B5/30

CPC classification number: G02B5/201 ,  G02B5/3058 ,  G02B5/28

Abstract: Provided is an optical filter including a spectral filter, and a polarizing filter provided on the same plane as the spectral filter, wherein the spectral filter includes a plurality of spectral unit filters having different central wavelengths, and wherein the polarizing filter includes a plurality of polarization unit filters having different central wavelengths.

公开(公告)号：US20230066267A1

公开(公告)日：2023-03-02

申请号：US17831956

申请日：2022-06-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-Shik KIM ,  Younggeun ROH ,  Inhwan RYU

IPC: H04N9/04 ,  H04N9/73 ,  H04N5/225

Abstract: An image acquisition apparatus includes: a first image sensor configured to acquire a first image based on a first wavelength band; a second image sensor configured to acquire a second image based on a second wavelength band of 10 nm to 1,000 nm, and a processor configured to register the first image and the second image, which are respectively output from the first image sensor and the second image sensor, to obtain a registration image based on the first image and the second image, and perform color conversion on the registration image by using an illumination value estimated from the second image.

公开(公告)号：US20210191141A1

公开(公告)日：2021-06-24

申请号：US17095477

申请日：2020-11-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeonsang PARK ,  Hyochul KIM ,  Jaesoong LEE ,  Younggeun ROH

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

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：US20190137672A1

公开(公告)日：2019-05-09

申请号：US16235627

申请日：2018-12-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Younggeun ROH ,  Yeonsang PARK

IPC: G02B5/28 ,  G01J1/04 ,  G01J3/12

CPC classification number: G02B5/28 ,  G01J1/0488 ,  G01J3/12 ,  G01J2003/1213 ,  G02B5/1866 ,  G02B5/284

Abstract: An optical filter includes pixels, each including: a first reflective plate configured to receive light and having first holes; and a second reflective plate facing the first reflective plate, separated from the first reflective plate by a gap, and having second holes corresponding to the first holes in shape and orientation. The second reflective plate is configured to transmit the light of a wavelength or the light of a range of wavelengths transmitted through the first reflective plate and incident on the second reflective plate, according to a spacing between adjacent holes of the first holes or a spacing between adjacent holes of the second holes. At least one pixel has the spacing between adjacent holes of the first holes different from that of at least one another pixel, or has the spacing between adjacent holes of the second holes different from that of the at least one another pixel.

公开(公告)号：US20190101444A1

公开(公告)日：2019-04-04

申请号：US15935193

申请日：2018-03-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngzoon YOON ,  Hyochul KIM ,  Younggeun ROH

IPC: G01J3/02 ,  G01J3/28

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：US20170251926A1

公开(公告)日：2017-09-07

申请号：US15450303

申请日：2017-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngzoon YOON ,  Hyungjoo KIM ,  Younggeun ROH

IPC: A61B5/00 ,  A61B5/02

CPC classification number: A61B5/0082 ,  A61B5/02007 ,  A61B5/02125 ,  A61B5/6832 ,  A61B5/7221 ,  A61B2562/04

Abstract: A biological information measuring apparatus, a method of acquiring biological information, and a biological information measuring band are provided. The biological information measuring apparatus may emit light beams in a direction, which is actively or passively adjusted, to a region of interest inside a target object, detect the light beams returning from the target object along trajectories different from one another, and select an optimum light beam among the detected light beams.

公开(公告)号：US20170112395A1

公开(公告)日：2017-04-27

申请号：US15096415

申请日：2016-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyungjoo KIM ,  Youngzoon YOON ,  Younggeun ROH

IPC: A61B5/021 ,  A61B5/024 ,  A61B5/0452 ,  A61B5/00

Abstract: A method of estimating a blood pressure is provided. The method of estimating blood pressure includes inputting physical characteristic information and blood pressure information of a subject, determining, among a plurality of groups classified according to hemodynamic characteristics, a group to which the subject belongs based on the physical characteristic information and the blood pressure information, detecting a bio-signal of the subject, extracting a plurality of features from the detected the bio-signal, and estimating a blood pressure corresponding to the extracted plurality of features and the determined group based on a learned blood pressure estimation algorithm.

公开(公告)号：US20230217122A1

公开(公告)日：2023-07-06

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 ,  G02B5/20 ,  G02B5/26

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

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：US20230215888A1

公开(公告)日：2023-07-06

申请号：US18093120

申请日：2023-01-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Younggeun ROH ,  Hyochul KIM

IPC: H01L27/146

CPC classification number: H01L27/14621 ,  H01L27/14645 ,  H01L27/14629

Abstract: An image sensor configured to decrease crosstalk by reducing a color filter thickness, and an electronic apparatus including the image sensor are provided. The image sensor includes: a sensor substrate including a plurality of first pixels and a plurality of second pixels; and a color filter array including a plurality of first color filters respectively corresponding to the plurality of first pixels and a plurality of second color filters respectively corresponding to the plurality of second pixels, wherein each of the plurality of first color filters and the plurality of second color filters includes: an absorption-type filter layer including a polymer-based pigment; and a resonator including a first reflective film provided on a lower surface of the absorption-type filter layer and a second reflective film provided on an upper surface of the absorption-type filter layer, to allow light to resonate in the absorption-type filter layer.

公开(公告)号：US20220342130A1

公开(公告)日：2022-10-27

申请号：US17722655

申请日：2022-04-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyochul KIM ,  Younggeun ROH ,  Jaesoong LEE

IPC: G02B5/28 ,  H04N9/04

Abstract: Provided is a spectral filter, and an image sensor and an electronic device each including the spectral filter. The spectral filter includes: at least one first filter having a central wavelength in a first wavelength region; and at least one second filter having a central wavelength in a second wavelength region. The first filter includes: a plurality of first metal reflection layers vertically spaced apart from each other; and at least one first cavity provided between the plurality of first metal reflection layers. The second filter includes: a second metal reflection layer and a Bragg reflection layer vertically spaced apart from each other; and at least one second cavity disposed between the second metal reflection layer and the Bragg reflection layer.