Scanning antenna
US10498019B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2016 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Oct 17, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q3/34
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A scanning antenna (1000) in which a plurality of antenna units (U) are arranged, the scanning antenna including: a TFT substrate (101) including a first dielectric substrate (1), TFTs, gate bus lines, source bus lines, and patch electrodes (15); a slot substrate (201) including a second dielectric substrate (51) and a slot electrode (55) formed on a first main surface of the second dielectric substrate; a liquid crystal layer (LC) provided between the TFT substrate and the slot substrate; and a reflective conductive plate (65) disposed opposing via a dielectric layer (54) a second main surface opposite to the first main surface of the second dielectric substrate, (51) wherein the slot electrode includes slots disposed corresponding to the respective patch electrodes, and a heater part (68) is further provided on the outside of the TFT substrate (101) or on the outside of the slot substrate (201).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.