Anti-glare substrate, anti-reflection film and display device
An anti-glare substrate, an anti-reflection film, and a display device are disclosed. The anti-glare substrate includes a first surface and a second surface disposed on opposite sides. The first surface includes a plurality of protrusion structures. Each protrusion structure includes a plurality of inclined planes. There is an angle θ between the normal direction of each inclined plane and the normal direction of the second surface. The sum of the vertical projection area of the inclined planes with θ less than 2.5° on the second surface is A <2.5 , wherein the vertical projection area of the inclined planes is A T , wherein A < 2.5 A T ⨯ 100 % ≦ 3.58 % . The anti-reflection film is for use with an anti-glare substrate. For a first assembly formed by disposing the anti-reflection film on the anti-glare substrate, the reflectances to blue ray, to green ray, and to red ray are close. The display device includes the anti-glare substrate and a display panel.
1 . An anti-glare substrate comprising a first surface and a second surface disposed on opposite sides of the anti-glare substrate, wherein the first surface includes a plurality of protrusion structures, wherein each protrusion structure includes a plurality of inclined planes, wherein there is an angle θ between a normal direction of each inclined plane and the normal direction of the second surface, wherein a sum of a vertical projection area of the inclined planes with θ less than 2.5° on the second surface is A <2.5 , wherein the vertical projection area of the inclined planes is A T , wherein
A
<
2.5
A
T
⨯
100
%
≦
3.58
%
,
wherein a total reflectance of the anti-glare substrate is less than or equal to 2.5%, wherein the sum of the vertical projection area of the inclined planes with θ less than or equal to 35° on the second surface is A ≤35 , wherein
A
≦
35
A
T
⨯
100
%
≧
94.58
%
;
wherein among statistics of height data of isometric grids measured in a measuring area on the first surface, an interval with a most amount is defined as a peak height, wherein a ratio of the peak height to an average value of the height data is less than or equal to 1.39.
2 . The anti-glare substrate according to claim 1 , wherein the first surface is formed by the plurality of protrusion structures connected with each other.
3 . The anti-glare substrate according to claim 1 , wherein the total reflectance of the anti-glare substrate is less than or equal to 1.5%.
4 . The anti-glare substrate according to claim 1 , wherein the total reflectance of the anti-glare substrate is less than or equal to 1%.
5 . A display device, comprising:
a display panel having a display face;
the anti-glare substrate according to claim 1 , wherein the second surface is laminated on the display face.
6 . The display device according to claim 5 , further comprising an anti-reflection film disposed on the anti-glare substrate, wherein a reflectance to blue ray, a reflectance to green ray, and a reflectance to red ray are close.
7 . An anti-glare substrate comprising a first surface and a second surface disposed on opposite sides of the anti-glare substrate, wherein the first surface includes a plurality of protrusion structures, wherein each protrusion structure includes a plurality of inclined planes, wherein there is an angle θ between a normal direction of each inclined plane and the normal direction of the second surface, wherein a sum of a vertical projection area of the inclined planes with θ less than 2.5° on the second surface is A <2.5 , wherein the vertical projection area of the inclined planes is A T , wherein
A
<
2.5
A
T
⨯
100
%
≦
3.58
%
,
wherein a total reflectance of the anti-glare substrate is less than or equal to 2.5%, wherein the sum of the vertical projection area of the inclined planes with θ less than or equal to 35° on the second surface is A ≤35 , wherein
A
≦
35
A
T
⨯
100
%
≧
91.16
%
;
wherein among statistics of height data of isometric grids measured in a measuring area on the first surface, an interval with a most amount is defined as a peak height, wherein a ratio of the peak height to an average value of the height data is less than or equal to 0.97.
8 . The anti-glare substrate according to claim 7 , wherein the first surface is formed by the plurality of protrusion structures connected with each other.
9 . The anti-glare substrate according to claim 7 , wherein the total reflectance of the anti-glare substrate is less than or equal to 1.5%.
10 . The anti-glare substrate according to claim 7 , wherein the total reflectance of the anti-glare substrate is less than or equal to 1%.
11 . An anti-glare substrate comprising a first surface and a second surface disposed on opposite sides of the anti-glare substrate, wherein the first surface includes a plurality of protrusion structures, wherein each protrusion structure includes a plurality of inclined planes, wherein there is an angle θ between a normal direction of each inclined plane and the normal direction of the second surface, wherein a sum of a vertical projection area of the inclined planes with θ less than 2.5° on the second surface is A <2.5 , wherein the vertical projection area of the inclined planes is A T , wherein
A
<
2.5
A
T
⨯
100
%
≦
3.58
%
,
wherein a total reflectance of the anti-glare substrate is wherein less than or equal to 2.5%, wherein the sum of the vertical projection area of the inclined planes with θ less than or equal to 35° on the second surface is A ≤35 , wherein
A
≦
35
A
T
×
100
%
≧
86
%
;
wherein among statistics of height data of isometric grids measured in a measuring area on the first surface, an interval with a most amount is defined as a peak height, wherein a ratio of the peak height to an average value of the height data is less than or equal to 0.92.
12 . An anti-glare substrate comprising a first surface and a second surface disposed on opposite sides of the anti-glare substrate, wherein the first surface includes a plurality of protrusion structures, wherein each protrusion structure includes a plurality of inclined planes, wherein there is an angle θ between a normal direction of each inclined plane and the normal direction of the second surface, wherein a sum of a vertical projection area of the inclined planes with θ less than 2.5° on the second surface is A <2.5 , wherein the vertical projection area of the inclined planes is A T , wherein
A
<
2.5
A
T
⨯
100
%
≦
3.58
%
,
wherein a total reflectance of the anti-glare substrate is less than or equal to 2.5%, wherein the sum of the vertical projection area of the inclined planes with θ less than or equal to 35° on the second surface is A ≤35 , wherein
A
≦
35
A
T
×
100
%
≧
86
%
.
13 . An anti-glare substrate comprising a first surface and a second surface disposed on opposite sides of the anti-glare substrate, wherein the first surface includes a plurality of protrusion structures, wherein each protrusion structure includes a plurality of inclined planes, wherein there is an angle θ between a normal direction of each inclined plane and the normal direction of the second surface, wherein a sum of a vertical projection area of the inclined planes with θ less than 2.5° on the second surface is A <2.5 , wherein the vertical projection area of the inclined planes is A T , wherein
A
<
2.5
A
T
⨯
100
%
≦
3.58
%
,
wherein a total reflectance of the anti-glare substrate is less than or equal to 2.5%, wherein among statistics of height data of isometric grids measured in a measuring area on the first surface, an interval with a most amount is defined as a peak height, wherein a ratio of the peak height to an average value of the height data is less than or equal to 1.39.