US 12,088,005 B2
Antenna device and wireless communication apparatus
Takahiro Igarashi, Kanagawa (JP)
Assigned to SONY SEMICONDUCTOR SOLUTIONS CORPORATION, Kanagawa (JP)
Appl. No. 17/763,861
Filed by SONY SEMICONDUCTOR SOLUTIONS CORPORATION, Kanagawa (JP)
PCT Filed Sep. 28, 2020, PCT No. PCT/JP2020/036679
§ 371(c)(1), (2) Date Mar. 25, 2022,
PCT Pub. No. WO2021/065819, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 2019-183901 (JP), filed on Oct. 4, 2019.
Prior Publication US 2022/0320743 A1, Oct. 6, 2022
Int. Cl. H01Q 13/08 (2006.01); H01Q 21/24 (2006.01); H01Q 19/02 (2006.01)
CPC H01Q 13/08 (2013.01) [H01Q 21/24 (2013.01); H01Q 19/02 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An antenna device, comprising:
a first antenna element including:
a first glass substrate; and
a first patch antenna on the first glass substrate; and
a second antenna element on a side of a surface of the first antenna element, wherein
the second antenna element includes:
a second glass substrate; and
a second patch antenna on the second glass substrate,
the second glass substrate includes:
a first recess opened on a side of a surface of the second glass substrate, wherein the side of the surface of the second glass substrate faces the first glass substrate; and
protrusions on a bottom surface of the first recess,
at least a part of the first patch antenna faces the second patch antenna through the first recess,
the second patch antenna is on an opposite side of the bottom surface of the first recess,
a shape of at least one of the first patch antenna or the second patch antenna in a plan view is a rectangle, and
a contour of at least one corner of four corners of the rectangle includes one of a curved line or a plurality of obtuse angles in the plan view.