OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME

Title:

OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2023/106374

Kind Code:

A1

Abstract:

Provided is an optical element which has excellent optical characteristics and which makes it possible to suppress damage to a relief layer.　An optical element according to the present invention comprises a light-transmitting substrate and a relief layer that is disposed on a main surface of the light-transmitting substrate and that has projections and recesses on a surface thereof, wherein the relief layer contains inorganic nanoparticles, and an absolute value of the difference between the refractive index of the light-transmitting substrate and the refractive index of the relief layer is not more than 0.20.

More Like This:

JPH10504912	[Title of Invention] Split Beam Fourier Filter
JP6140493	A manufacturing method of an optical device
JP2887530	[Title of the Invention] Rearview mirrors for vehicles, especially automobiles

Inventors:

MATANO TAKAHIRO (JP)
TAKASE HIRONORI (JP)
NISHIMIYA TAKASHI (JP)

Application Number:

PCT/JP2022/045311

Publication Date:

June 15, 2023

Filing Date:

December 08, 2022

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NIPPON ELECTRIC GLASS CO (JP)

International Classes:

G02B5/28; C03C17/23; C03C17/25; G02B1/00; G02B1/10; G02B5/18

Domestic Patent References:

WO2001011393A1	2001-02-15
WO2009041646A1	2009-04-02

Foreign References:

JP2003161802A	2003-06-06
JP2001281429A	2001-10-10
JP2004126499A	2004-04-22