Electronic device
An electronic device includes a transparent element, an optical component and an anti-reflecting layer. The transparent element is configured to separate an inner side and an outer side of the electronic device, so that a light passes through the transparent element to enter or leave the electronic device, and the transparent element includes an inner side surface and an outer side surface. The inner side surface faces towards the inner side, and the outer side surface faces towards the outer side. The optical component is corresponding to the inner side surface of the transparent element. The anti-reflecting layer is disposed on at least one portion of the inner side surface of the transparent element.
1 . An electronic device, comprising:
a transparent element configured to separate an inner side and an outer side of the electronic device, so that a light passing through the transparent element to enter or leave the electronic device, and the transparent element comprising:
an inner side surface; and
an outer side surface, wherein the inner side surface faces towards the inner side, and the outer side surface faces towards the outer side;
an optical component corresponding to the inner side surface of the transparent element; and
an anti-reflecting layer disposed on at least one portion of the inner side surface of the transparent element, and the anti-reflecting layer comprising:
a nanostructure layer comprising a plurality of ridge-like protrusions and a plurality of tapered ends, wherein the ridge-like protrusions extend non-directionally from a disposing surface, a bottom of each of the ridge-like protrusions is closer to the disposing surface than a top of each of the ridge-like protrusions to the disposing surface, and each of the ridge-like protrusions is tapered from the bottom towards the top; and
a structure connection film comprising at least one silicon dioxide layer, wherein the structure connection film is substantially non-porous, and a top of the at least one silicon dioxide layer is directly contacted with a bottom of the nanostructure layer;
wherein a top of the structure connection film is partially covered by the nanostructure layer.
2 . The electronic device of claim 1 , wherein an average reflectivity of the at least one portion of the inner side surface of the transparent element corresponding to a light with a wavelength range between 400 nm and 700 nm is R 4070 , and the following condition is satisfied:
R 4070 ≤0.5%.
3 . The electronic device of claim 1 , wherein an average reflectivity of the at least one portion of the inner side surface of the transparent element corresponding to a light with a wavelength range between 750 nm and 900 nm is R 7590 , and the following condition is satisfied:
R 7590 ≤0.65%.
4 . The electronic device of claim 1 , wherein an average structural height of the nanostructure layer is larger than or equal to 70 nm and less than or equal to 350 nm.
5 . The electronic device of claim 1 , wherein the outer side surface comprises an anti-scratch layer.
6 . The electronic device of claim 1 , wherein the optical component is an imaging camera.
7 . The electronic device of claim 6 , wherein a spacing distance between the inner side surface and the optical component is D, and the following condition is satisfied:
D≤5 mm.
8 . The electronic device of claim 6 , wherein the anti-reflecting layer is further disposed on the optical component.
9 . The electronic device of claim 1 , wherein the transparent element further comprises a light blocking structure.
10 . The electronic device of claim 9 , wherein a light-transmitting area is remained on the transparent element via the light blocking structure, and the light-transmitting area is corresponding to the optical component.
11 . The electronic device of claim 1 , wherein a number of the transparent element is at least two, a number of the optical component is at least two, and each of the transparent elements is corresponding to each of the optical components.
12 . The electronic device of claim 11 , wherein the inner side surface of one of the at least two transparent elements is non-planar.
13 . The electronic device of claim 1 , wherein a number of the optical component is at least two, and the at least two optical components are corresponding to the inner side surface of the transparent element.
14 . The electronic device of claim 13 , wherein one of the at least two optical components is an imaging camera, and the other one of the at least two optical components is a light-emitting element.
15 . The electronic device of claim 13 , wherein the at least two optical components are at least two imaging cameras, and a field of view of one of the at least two imaging cameras is different from a field of view of the other one of the at least two imaging cameras.
16 . The electronic device of claim 13 , wherein a corresponding working wavelength of one of the at least two optical components is different from a corresponding working wavelength of the other one of the at least two optical components.
17 . The electronic device of claim 1 , wherein the electronic device is a portable electronic device.