Title:
SAPPHIRE THIN FILM COATED SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2018/064947
Kind Code:
A1
Abstract:
An anti-reflective coating comprising a topmost anti-reflective material layer comprising of sapphire or Al 2O 3, the one or more middle anti-reflective material layers, and a bottommost anti-reflective material layer deposited on top of the substrate, wherein the topmost anti-reflective material layer, the one or more middle anti-reflective material layers, and the bottommost anti-reflective material layer have alternatively higher and lower refractive indices in respect with each other. The anti-reflective coating on a substrate can form high anti-scratching.
Inventors:
CHEAH KOK WAI (CN)
LAM WING YUI (CN)
CHAN YU WAI (CN)
LAM WING YUI (CN)
CHAN YU WAI (CN)
Application Number:
PCT/CN2017/103698
Publication Date:
April 12, 2018
Filing Date:
September 27, 2017
Export Citation:
Assignee:
UNIV HONG KONG BAPTIST UNIV (CN)
International Classes:
C23C28/04; G02B1/10
Domestic Patent References:
| WO2015137950A1 | 2015-09-17 | |||
| WO2015137950A1 | 2015-09-17 |
Foreign References:
| US20170260620A1 | 2017-09-14 | |||
| US20140272298A1 | 2014-09-18 | |||
| US20060139757A1 | 2006-06-29 | |||
| CN204733209U | 2015-10-28 | |||
| CN105301675A | 2016-02-03 | |||
| CN104846336A | 2015-08-19 | |||
| JP2003149406A | 2003-05-21 | |||
| CN204795193U | 2015-11-18 | |||
| JP2004085231A | 2004-03-18 | |||
| US201313783262A | 2013-03-02 | |||
| US201213726127A | 2012-12-23 | |||
| US201213726183A | 2012-12-23 | |||
| US201161579668P | 2011-12-23 | |||
| US201514642742A | 2015-03-09 | |||
| US201462049364P | 2014-09-12 |
Other References:
E. D. PALIK: "Handbook of optical constants of solids", 1985, ACADEMIC PRESS
See also references of EP 3523460A4
See also references of EP 3523460A4
Attorney, Agent or Firm:
DHC IP ATTORNEYS (CN)
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