Invention Grant
- Patent Title: Optical filter and spectrometer including sub-wavelength reflector, and electronic apparatus including the spectrometer
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Application No.: US16437832Application Date: 2019-06-11
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Publication No.: US10976477B2Publication Date: 2021-04-13
- Inventor: Chanwook Baik , Kyungsang Cho
- Applicant: SAMSUNG ELECTRONICS CO., LTD.
- Applicant Address: KR Suwon-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon-si
- Agency: Sughrue Mion, PLLC
- Priority: KR10-2019-0003948 20190111
- Main IPC: G02B5/28
- IPC: G02B5/28 ; G01J3/02 ; G02B5/20
Abstract:
An optical filter includes a first reflector including a plurality of first sub-wavelength structures that are two-dimensionally arranged and spaced apart by a first period based on a first rule, and a second reflector provided separate from the first reflector, the second reflector including a plurality of second sub-wavelength structures that are two-dimensionally arranged and spaced apart by a second period based on a second rule.
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