Display device and electronic apparatus with antireflection function
A display device includes: light emitting units; a light absorbing unit that surrounds each of the light emitting units; and a low-reflection layer provided on the surfaces of the light emitting units and the surface of the light absorbing unit. The surface of the light absorbing unit is a corrugated surface that diffuses light, and the low-reflection layer is formed along the corrugated surface.
1. A display device, comprising:
at least one light emitting unit;
a light absorbing unit that surrounds the at least one light emitting unit; and
a low-reflection layer that is on a first surface of the at least one light emitting unit and a second surface of the light absorbing unit,
wherein the second surface of the light absorbing unit has a first corrugated shape and the second surface is configured to diffuse light,
wherein an upper surface and a lower surface of a portion of the low-reflection layer have a second corrugated shape, and
wherein the portion corresponds to the first corrugated shaped second surface.
2. The display device according to claim 1 ,
wherein the at least one light emitting unit includes a light emitting element, and a sealing portion that is configured to seal the light emitting element.
3. The display device according to claim 2 , wherein the sealing portion has at least one of a flat surface, a corrugated surface, or a curved surface.
4. The display device according to claim 2 ,
wherein the sealing portion has one of a convexly-curved surface and a concavely-curved surface, and
the low-reflection layer is further on each of the convexly-curved surface and the concavely-curved surface.
5. The display device according to claim 2 , wherein the light emitting element is at least one of a light emitting diode or an electroluminescence element.
6. The display device according to claim 2 ,
wherein the light absorbing unit has at least one opening, and
wherein the light emitting element is in the at least one opening.
7. The display device according to claim 2 ,
wherein the sealing portion contains a transparent material with one of a transparency property or a diffuse transmission property.
8. The display device according to claim 1 ,
wherein the at least one light emitting unit includes an exposed light emitting element.
9. The display device according to claim 1 , wherein the first corrugated shaped second surface includes a plurality of fine particles.
10. The display device according to claim 1 ,
wherein the light absorbing unit includes a light absorbing layer and a shaped layer, and
wherein the shaped layer is in between a third surface of the light absorbing layer and the portion,
wherein the shaped layer has the first corrugated shape.
11. The display device according to claim 1 , wherein the low-reflection layer contains at least one of fluororesin, porous particles, or hollow particles.
12. The display device according to claim 1 , wherein the low-reflection layer has a thickness equal to or greater than a wavelength of the light.
13. The display device according to claim 1 ,
wherein the low-reflection layer has a thickness of λ/(4n),
wherein A is a wavelength of the light, and
wherein n is a refractive index of the low-reflection layer.
14. The display device according to claim 1 , wherein both of the at least one light emitting unit and the light absorbing unit have recesses.
15. A display device, comprising
a plurality of display cells that are arranged two-dimensionally,
wherein each of the plurality of display cells including:
at least one light emitting unit;
a light absorbing unit that surrounds the at least one light emitting unit; and
a low-reflection layer that is on a first surface of the at least one light emitting unit and a second surface of the light absorbing unit,
wherein the second surface of the light absorbing unit has a first corrugated shape and the second surface is configured to diffuse light,
wherein an upper surface and a lower surface of a portion of the low-reflection layer have a second corrugated shape, and
wherein the portion corresponds to the first corrugated shaped second surface.
16. An electronic apparatus, comprising
a display device including:
at least one light emitting unit;
a light absorbing unit that surrounds the at least one light emitting unit; and
a low-reflection layer that is on a first surface of the at least one light emitting unit and a second surface of the light absorbing unit,
wherein the second surface of the light absorbing unit has a first corrugated shape and the second surface is configured to diffuse light,
wherein an upper surface and a lower surface of a portion of the low-reflection layer have a second corrugated shape, and
wherein the portion corresponds to the first corrugated shaped second surface.