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Patent Searching and Data


Title:
OPTICAL DEVICE AND METHOD OF OUTPUTTING LIGHT BY USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2020/138913
Kind Code:
A1
Abstract:
Provided are an optical device and a method of outputting light using the optical device. The optical device includes a waveguide, a first diffraction grating receiving at least a portion of light incident on the waveguide and a second diffraction grating receiving a light diffracted from the first diffraction grating,, wherein the first diffraction grating and the second diffraction grating are provided in or on the waveguide, the light diffracted from the first diffraction grating is diffracted, in three-dimensional directions, from the second diffraction grating, and at least a portion of the light diffracted in the three-dimensional directions is output to an outside of the waveguide.

Inventors:
LEE KYOOKEUN (KR)
KWAK KYUSUB (KR)
LEE WONJUN (KR)
CHOI MYONGJO (KR)
Application Number:
PCT/KR2019/018395
Publication Date:
July 02, 2020
Filing Date:
December 24, 2019
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
G02B27/42; G02F1/1335
Domestic Patent References:
WO2018125574A12018-07-05
WO2018220266A12018-12-06
Foreign References:
KR20180009130A2018-01-26
US20180164591A12018-06-14
US20160377879A12016-12-29
Attorney, Agent or Firm:
Y.P.LEE,MOCK & PARTNERS (KR)
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