Antireflective coating and substrates coated therewith
First Claim
Patent Images
1. An antireflective coating comprising:
- a first high index of refraction coating layer;
a first low index of refraction coating layer over the first high index of refraction coating layer;
a second high index of refraction coating layer over the first low index of refraction coating layer; and
a second low index of refraction coating layer over the second high index of refraction coating layer, wherein the first high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[−
2.1643×
(optical thickness of the second low index of refraction coating layer)2]+[4.6684×
(optical thickness of the second low index of refraction coating layer)]−
2.2187, or the first low index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[2.0567×
(optical thickness of the second low index of refraction coating)2]−
[3.5663×
(optical thickness of the second low index of refraction coating)]+1.8467, or the second high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[−
0.3987×
(optical thickness of the second low index of refraction coating layer)2]−
[1.1576×
(optical thickness of the second low index of refraction coating layer)]+2.7462.
1 Assignment
0 Petitions
Accused Products
Abstract
An antireflective coating is disclosed. The antireflective coating includes a first high index of refraction coating layer; a first low index of refraction coating layer over the first high index of refraction coating layer; a second high index of refraction coating layer over the first low index of refraction coating layer; and
- a second low index of refraction coating layer over the second high index of refraction coating layer, wherein the first high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±25%: [−2.1643×(optical thickness of the second low index of refraction coating layer)2]+[4.6684×(optical thickness of the second low index of refraction coating layer)]−2.2187, or the first low index of refraction coating layer has an optical thickness defined by the following equation within a range of ±25%: [2.0567×(optical thickness of the second low index of refraction coating)2]−[3.5663×(optical thickness of the second low index of refraction coating)]+1.8467, or the second high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±25%: [−0.3987×(optical thickness of the second low index of refraction coating layer)2]−[1.1576×(optical thickness of the second low index of refraction coating layer)]+2.7462.
43 Citations
18 Claims
-
1. An antireflective coating comprising:
-
a first high index of refraction coating layer;
a first low index of refraction coating layer over the first high index of refraction coating layer;
a second high index of refraction coating layer over the first low index of refraction coating layer; and
a second low index of refraction coating layer over the second high index of refraction coating layer, wherein the first high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[−
2.1643×
(optical thickness of the second low index of refraction coating layer)2]+[4.6684×
(optical thickness of the second low index of refraction coating layer)]−
2.2187, orthe first low index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[2.0567×
(optical thickness of the second low index of refraction coating)2]−
[3.5663×
(optical thickness of the second low index of refraction coating)]+1.8467, orthe second high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[−
0.3987×
(optical thickness of the second low index of refraction coating layer)2]−
[1.1576×
(optical thickness of the second low index of refraction coating layer)]+2.7462. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A coated substrate comprising:
-
a substrate; and
an antireflective coating comprising a first high index of refraction coating layer;
a first low index of refraction coating layer over the first high index of refraction coating layer;
a second high index of refraction coating layer over the first low index of refraction coating layer; and
a second low index of refraction coating layer over the second high index of refraction coating layer, whereinthe first high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[−
2.1643×
(optical thickness of the second low index of refraction coating layer)2]+[4.6684×
(optical thickness of the second low index of refraction coating layer)]−
2.2187, orthe first low index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[2.0567×
(optical thickness of the second low index of refraction coating)2]−
[3.5663×
(optical thickness of the second low index of refraction coating)]+1.8467, orthe second high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
[−
0.3987×
(optical thickness of the second low index of refraction coating layer)2]−
[1.1576×
(optical thickness of the second low index of refraction coating layer)]+2.7462. - View Dependent Claims (8, 9)
-
-
10. An antireflective coating comprising:
-
a first high index of refraction coating layer;
a first low index of refraction coating layer over the first high index of refraction coating layer;
a second high index of refraction coating layer over the first low index of refraction coating layer; and
a second low index of refraction coating layer over the second high index of refraction coating layer, wherein the first high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
0.3061−
[0.1022×
(optical thickness of the second low index of refraction coating layer)]+[0.0515×
(optical thickness of the second low index of refraction coating layer)2];
orthe first low index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
0.2846+[0.1427×
(optical thickness of the second low index of refraction coating layer)]−
[0.0228×
(optical thickness of the second low index of refraction coating layer)2];
orthe second high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
2.2641+[0.0654×
(optical thickness of the second low index of refraction coating layer)]−
[0.1505×
(optical thickness of the second low index of refraction coating layer)2]. - View Dependent Claims (11, 12, 13, 14)
-
-
15. A coated substrate comprising:
-
a substrate; and
an antireflective coating comprising a first high index of refraction coating layer;
a first low index of refraction coating layer over the first high index of refraction coating layer;
a second high index of refraction coating layer over the first low index of refraction coating layer; and
a second low index of refraction coating layer over the second high index of refraction coating layer, whereinthe first high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
0.3061−
[0.1022×
(optical thickness of the second low index of refraction coating layer)]+[0.0515×
(optical thickness of the second low index of refraction coating layer)2];
orthe first low index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
0.2846+[0.1427×
(optical thickness of the second low index of refraction coating layer)]−
[0.0228×
(optical thickness of the second low index of refraction coating layer)2];
orthe second high index of refraction coating layer has an optical thickness defined by the following equation within a range of ±
25%;
2.2641+[0.0654×
(optical thickness of the second low index of refraction coating layer)]−
[0.1505×
(optical thickness of the second low index of refraction coating layer)2]. - View Dependent Claims (16)
-
-
17. A method for increasing the visible light transmittance of a substrate comprising:
-
providing a transparent substrate having a visible light transmittance; and
depositing an antireflective coating over at least a portion of the substrate, whereby the visible light transmittance of the substrate after the antireflective coating has been deposited is at least 3% higher than it was before the coating was deposited. - View Dependent Claims (18)
-
Specification