Invention Grant
- Patent Title: Predefined reflective appearance eyewear lens with balance chroma enhancement visual perception
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Application No.: US15841322Application Date: 2017-12-14
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Publication No.: US10371967B2Publication Date: 2019-08-06
- Inventor: Charles Cheng , Chih Ming Chen
- Applicant: Hwa Meei Optical Co., Ltd.
- Applicant Address: TW Tainan
- Assignee: HWA MEEI OPTICAL CO., LTD.
- Current Assignee: HWA MEEI OPTICAL CO., LTD.
- Current Assignee Address: TW Tainan
- Agency: Bruce Stone LLP
- Agent Joseph Bruce
- Priority: TW106115155A 20170508
- Main IPC: G02C7/10
- IPC: G02C7/10 ; G02C7/12

Abstract:
Provided is an eyewear lens, including a lens substrate and an optical interference coating; the lens substrate is comprised of an optical material, and the optical interference coating is bonded to the lens substrate and is stacked by the composition of high and low reflectivity materials. A predefined reflective appearance color will be formed by light getting through the optical interference coating. The lens substrate contains another filter on one side surface or both side surfaces or inside the lens substrate which is complementary to the light after penetrating the optical interference coating such that the overall transmittance light tone remain neutral balance. The overall transmittance light spectrum has three pass-bands corresponding to the maximum response of the human eye cone cells, and the relatively high transmittance values of each pass-band center are approximately at 450 nm, 530 nm and 610 nm. The FWHM of each pass-band is between 3 nm and 50 nm.
Public/Granted literature
- US20180321516A1 PREDEFINED REFLECTIVE APPEARANCE EYEWEAR LENS WITH BALANCE CHROMA ENHANCEMENT VISUAL PERCEPTION Public/Granted day:2018-11-08
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