# US 12,119,562 B2 · Antenna device and method of manufacturing thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,562 B2 - Document ID: US12119562B2 - Status: Granted - Kind: B2 - Application number: 18/322,781 - Filed: 2023-05-24 - Published: 2023-09-28 - Granted: 2024-10-15 - Earliest claimed: 2021-03-24 - Assignees: Au Optronics Corporation - Applicants: AU Optronics Corporation - Inventors: Ching-Lang Hung; Chia-Wei Kuo - Web page: https://patentgrep.com/patent/US12119562B2 ## CPC - H01Q 5/35: using two or more simultaneously fed points - H01Q 9/46: with rigid elements diverging from single point - H01Q 1/50: Structural association of antennas with earthing switches, lead-in devices or lightning protectors - H01Q 21/245: {provided with means for varying the polarisation (polarising devices H01Q15/24; tracking by comparing linear polarisation compounds G01S3/146; reducing depolarisation effects H04B7/00; polarisation diversity H04B7/10)} - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna device includes first to third antenna units and a feed-in line. An angle between the second antenna unit and the first antenna unit is substantially equal to 90 degrees. An angle between the third antenna unit and the first antenna unit is substantially equal to 90 degrees. The feed-in line crosses over each of the first to third antenna units in a view, and is configured to turn on and turn off each of the first to third antenna units. The first antenna unit and the second antenna unit are configured to generate a first polarized signal, the third antenna unit and the second antenna unit are configured to generate a second polarized signal, and the first polarized signal and the second polarized signal have different polarizations. ## Claims ### Claim 1 An antenna device, comprising: a first antenna unit; a second antenna unit, wherein an angle between the second antenna unit and the first antenna unit is substantially equal to 90 degrees; a third antenna unit, wherein an angle between the third antenna unit and the second antenna unit is substantially equal to 90 degrees; and a feed-in line crossing over each of the first antenna unit, the second antenna unit and the third antenna unit in a view, and configured to turn on and turn off each of the first antenna unit, the second antenna unit and the third antenna unit, wherein the first antenna unit and the second antenna unit are configured to generate a first polarized signal, the third antenna unit and the second antenna unit are configured to generate a second polarized signal, and the first polarized signal and the second polarized signal have different polarizations. ### Claim 2 (depends on 1) The antenna device of claim 1, wherein the feed-in line extends along a direction, and the first antenna unit, the second antenna unit and the third antenna unit are arranged in order along the direction. ### Claim 3 (depends on 1) The antenna device of claim 1, wherein the feed-in line comprises: a first feed-in line portion extending along a first direction and crossing over the second antenna unit in the view; and a second feed-in line portion extending along a second direction and crossing over each of the first antenna unit and the third antenna unit in the view. ### Claim 4 (depends on 3) The antenna device of claim 3, wherein the first feed-in line portion is disposed along the first direction. ### Claim 5 (depends on 3) The antenna device of claim 3, wherein the second feed-in line portion is disposed along the second direction. ### Claim 6 (depends on 3) The antenna device of claim 3, wherein the first feed-in line portion is disposed between the second antenna unit and the third antenna unit in the view. ### Claim 7 (depends on 1) The antenna device of claim 1, wherein the antenna device is configured to generate a signal having a wave length, has a first length along a first direction, and has a second length along a second direction perpendicular to the first direction, the first length is approximately 0.7 times of the wave length, and the second length is approximately 0.5 times of the wave length. ### Claim 8 (depends on 1) The antenna device of claim 1, wherein the feed-in line extends along a first direction, and along a second direction different from the first direction. ### Claim 9 (depends on 1) The antenna device of claim 1, wherein the antenna device is configured to generate a signal having a wave length, has a first length along a first direction, and has a second length along a second direction perpendicular to the first direction, the first length is approximately 0.15 times of the wave length, and the second length is approximately 0.5 times of the wave length. ### Claim 10 (depends on 1) The antenna device of claim 1, wherein in the view, an angle between a long side of the first antenna unit and an axis is approximately equal to 45 degrees, an angle between a long side of the second antenna unit and the axis is approximately equal to 135 degrees, and the feed-in line is approximately perpendicular to the axis. ### Claim 11 (depends on 1) The antenna device of claim 1, wherein the first antenna unit, the second antenna unit and the third antenna unit are arranged in order along a direction. ### Claim 12 A method of manufacturing an antenna device, comprising: disposing a first antenna unit; disposing a second antenna unit approximately perpendicular to the first antenna unit; disposing a third antenna unit approximately parallel with the first antenna unit; and disposing a feed-in line crossing over each of the first antenna unit, the second antenna unit and the third antenna unit in a view, wherein the feed-in line is configured to enable and disable each of the first antenna unit, the second antenna unit and the third antenna unit, the first antenna unit and the second antenna unit are configured to generate a first polarized signal, the third antenna unit and the second antenna unit are configured to generate a second polarized signal, and the first polarized signal and the second polarized signal have different polarizations. ### Claim 13 (depends on 12) The method of claim 12, wherein the feed-in line extends along a first direction, and the first antenna unit, the second antenna unit and the third antenna unit are arranged in order along the first direction. ### Claim 14 (depends on 12) The method of claim 12, wherein disposing the feed-in line comprises: disposing a first feed-in line portion crossing over the second antenna unit in the view; and disposing a second feed-in line portion perpendicular to the first feed-in line portion and crossing over each of the first antenna unit and the third antenna unit in the view. ### Claim 15 (depends on 14) The method of claim 14, wherein the first feed-in line portion is disposed along a second direction. ### Claim 16 (depends on 14) The method of claim 14, wherein the second feed-in line portion is disposed along the first direction.