Antenna apparatus

1. An antenna apparatus, comprising:

first dipole antenna patterns;

feed lines connected to corresponding ones of the first dipole antenna patterns;

first feed vias connecting the first dipole antenna patterns and the feed lines;

a first ground plane disposed on a side of the first dipole antenna patterns and spaced apart from each of the first dipole antenna patterns; and

a first blocking pattern, connected to and extending from the first ground plane, disposed between adjacent ones of the first dipole antenna patterns,

wherein end portions of the first dipole antenna patterns are received into recessed portions of the first ground plane, and

wherein the first ground plane includes a portion protruding towards the first feed vias within one of the recessed portions of the first ground plane.

2. The antenna apparatus of claim 1 , further comprising:

a second ground plane disposed below the first ground plane; and

a second blocking pattern connected to the second ground pattern, having at least a portion overlapping the first blocking pattern in a normal direction, and extending from the second ground plane.

3. The antenna apparatus of claim 2 , further comprising:

shielding vias disposed along a perimeter of the first ground plane and connected to the second ground plane,

wherein a region between the first blocking pattern and the second blocking pattern is filled with an insulating layer.

4. The antenna apparatus of claim 1 , further comprising:

second dipole antenna patterns disposed below corresponding ones of the first dipole antenna patterns; and

radial vias connecting the first dipole antenna patterns and the second dipole antenna patterns.

5. The antenna apparatus of claim 4 , further comprising:

a third ground plane disposed in below of the first ground plane; and

a third blocking pattern, connected to and extending from the third ground plane, disposed between adjacent ones of the second dipole antenna patterns.

6. The antenna apparatus of claim 4 , further comprising:

director patterns disposed on an outer side of, and spaced apart from, corresponding ones of the second dipole antenna patterns,

wherein a region in the outer side of the first dipole antenna pattern overlapping the director patterns in a normal direction is filled with an insulating layer.

7. The antenna apparatus of claim 1 , further comprising:

director patterns disposed on an outer side of, and spaced apart from, corresponding ones of the first dipole antenna patterns,

wherein the first blocking pattern extends to the outer side by a length corresponding to a region between the first dipole antenna patterns and the director patterns.

8. The antenna apparatus of claim 1 , wherein the first blocking pattern extends from one of the recessed portions.

9. The antenna apparatus of claim 1 , further comprising:

patch antenna patterns disposed below the first ground plane; and

second feed vias connecting the patch antenna patterns.

10. The antenna apparatus of claim 9 , further comprising:

a coupling member surrounding each of the patch antenna patterns,

wherein a perimeter or a portion of the coupling member overlaps a perimeter of the first ground plane in a normal direction.

11. An antenna apparatus, comprising:

first dipole antenna patterns;

feed lines connected to corresponding ones of the first dipole antenna patterns;

a first ground plane disposed on a side of the first dipole antenna patterns and spaced apart from each of the first dipole antenna patterns; and

a first blocking pattern, electrically isolated from the first ground plane, disposed between adjacent ones of the first dipole antenna patterns,

wherein a width of one end of the first blocking pattern is smaller than a width of another end of the first blocking pattern.

12. The antenna apparatus of claim 11 , wherein the first blocking pattern includes coupling patterns spaced apart from each other.

13. The antenna apparatus of claim 11 , further comprising:

a second ground plane disposed in below the first ground plane; and

a second blocking pattern connected to the second ground plane, having at least a portion overlapping the first blocking pattern in a normal direction, and extending from the second ground plane.

14. An antenna apparatus, comprising:

first dipole antenna patterns;

ground planes disposed on a side of each of the first dipole antenna patterns and spaced apart from each of the first dipole antenna patterns,

first and second feed lines connected on one end to one of the first dipole antenna patterns and on another end to one of the ground planes; and

a first blocking pattern, connected to and extending from the first ground plane, disposed between adjacent ones of the first dipole antenna patterns,

wherein an outer edge of the one of the ground planes has a stepped contour.

15. The antenna apparatus of claim 14 , further comprising director patterns disposed on an outer side of, and spaced apart from, corresponding ones of the first dipole antenna patterns.

16. The antenna apparatus of claim 14 , wherein the first blocking pattern extends beyond the first dipole antenna patterns.

17. The antenna apparatus of claim 14 , wherein the first blocking pattern extends below upper surfaces of the first dipole antenna patterns.

18. The antenna apparatus of claim 14 , wherein a width of one end of the first blocking pattern is smaller than a width of another end of the first blocking pattern.

19. The antenna apparatus of claim 14 , wherein the first and second feed lines are configured to receive and/or transmit signals differentially to the one of the first dipole antenna patterns.