Micro light-emitting diode display device

1. A display device, comprising:

a display substrate comprising at least one sub-pixel circuit;

at least one micro light-emitting diode (LED) chip electrically connected to said at least one sub-pixel circuit;

at least one reflective layer, wherein the micro LED chip is at least partially disposed between the reflective layer and the sub-pixel circuit; and

a dielectric package layer wrapping around the micro LED chip, wherein the dielectric package layer isolates the micro LED chip from the reflective layer, the dielectric package layer comprises a plurality of micro-structures, and the reflective layer covers the micro-structures and has a plurality of corresponding reflective micro-structures.

2. The display device of claim 1 , further comprising:

a transparent cover, wherein the display substrate is between the transparent cover and the micro LED chip.

3. The display device of claim 1 , wherein a plurality of said at least one micro LED chips comprise a red LED chip, a green LED chip, and a blue LED chip.

4. The display device of claim 1 , further comprising:

a color filter film comprising at least one red color filter unit, at least one green color filter unit, and at least one blue color filter unit disposed respectively corresponding to a plurality of said at least one sub-pixel circuits.

5. The display device of claim 4 , wherein a plurality of said at least one micro LED chips have the same emission spectrum and are disposed corresponding to the sub-pixel circuits, respectively.

6. The display device of claim 1 , wherein a plurality of said at least one micro LED chips are between a plurality of said at least one reflective layers and a plurality of said at least one sub-pixel circuits respectively, and the reflective layers are separated from each other.

7. The display device of claim 1 , wherein a plurality of said at least one micro LED chips are between a plurality of said at least one reflective layers and a plurality of said at least one sub-pixel circuits respectively, and the reflective layers are connected with each other.

8. The display device of claim 1 , wherein the display substrate comprises:

a substrate having a first surface and a second surface, wherein the first surface is closer to the micro LED chip than the second surface is; and

an array control circuit configured to control a plurality of said at least one sub-pixel circuits, wherein the array control circuit is disposed on the first surface of the substrate.

9. The display device of claim 8 , further comprising:

a touch sensing layer on the second surface of the substrate.

10. The display device of claim 1 , further comprising:

a light-shielding layer covering a portion of the display substrate, wherein the light-shielding layer does not cover at least a portion of the sub-pixel circuit.

11. The display device of claim 1 , further comprising:

a light-shielding layer having at least one opening corresponding to said at least one sub-pixel circuit, wherein the reflective layer entirely covers the opening of the light shielding layer.

12. A display device, comprising:

a display substrate comprising at least one sub-pixel circuit;

at least one micro light-emitting diode (LED) chip electrically connected to said at least one sub-pixel circuit;

a dielectric package layer wrapping around the micro LED chip, wherein dielectric package layer comprises a plurality of micro-structures;

a reflective layer covering the micro-structures and having a plurality of corresponding reflective micro-structures; and

a light-shielding layer having at least one opening corresponding to said at least one sub-pixel circuit, wherein the reflective layer is in direct contact with the light-shielding layer, and the at least one opening of the light-shielding layer exposes the reflective layer.

13. The display device of claim 12 , wherein at least a portion of the reflective layer is in the at least one opening of the light-shielding layer.

14. The display device of claim 12 , wherein the reflective layer is between the display substrate and the micro LED chip.

15. The display device of claim 12 , wherein the micro LED chip is between the display substrate and the reflective layer.

16. The display device of claim 12 , wherein the dielectric package layer isolates the micro LED chip from the reflective layer.