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Patent Searching and Data


Title:
SCANNING ANTENNA AND METHOD FOR MANUFACTURING SCANNING ANTENNA
Document Type and Number:
WIPO Patent Application WO/2020/121875
Kind Code:
A1
Abstract:
A scanning antenna according to the present invention has: a transmission/reception region (R1) including a plurality of antenna units (U); and a non-transmission/reception region (R2) outside the transmission/reception region. The scanning antenna has: a TFT substrate (101Aa); a slot substrate (201Aa); a liquid crystal layer (LC) provided between the TFT substrate and the slot substrate; a seal section (73Aa) that is provided in the non-transmission/reception region and that surrounds the liquid crystal layer; a reflecting conductive plate that is disposed so as to face a second principal surface of a second dielectric substrate with a dielectric layer interposed therebetween; a first spacer structure for specifying a first gap between a first dielectric substrate and the second dielectric substrate in the transmission/reception region; and a second spacer structure for specifying a second gap between the first dielectric substrate and the second dielectric substrate in the non-transmission/reception region, said second gap being larger than the first gap. The second spacer structure is disposed in the seal section or in a region surrounded by the seal section.

Inventors:
HARA TAKESHI
TANAKA YOSHINORI
NAKANO SUSUMU
STEVENSON RYAN A
LINN STEVE
VAREL CAGDAS
SHORT COLIN
CHEN FELIX
Application Number:
PCT/JP2019/047065
Publication Date:
June 18, 2020
Filing Date:
December 02, 2019
Export Citation:
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Assignee:
SHARP KK (JP)
KYMETA CORP (US)
International Classes:
H01L21/336; G02F1/13; G02F1/1339; H01L29/786; H01Q3/34; H01Q3/44; H01Q13/22; H01Q21/06
Domestic Patent References:
WO2017130489A12017-08-03
WO2017142032A12017-08-24
WO2018030279A12018-02-15
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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