The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 2021
Filed:
Jun. 20, 2019
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Lanjun Guo, Beijing, CN;
Chunlei Wang, Beijing, CN;
Beijing BOE Optoelectronics Technology Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
The present disclosure provides a lens assembly, a terahertz wave tomography system and method, and a terahertz wave filter. The lens assembly includes: a first substrate and a second substrate that are oppositely disposed; a seal, wherein the seal, the first substrate and the second substrate enclose a cavity in which a magnetic fluid is filled; and a plurality of electromagnetic generating units disposed on at least one of a first side of the first substrate close to the second substrate or a second side of the first substrate away from the second substrate, wherein at least a part of the plurality of electromagnetic generating units are configured to generate a magnetic field in a case where a voltage is applied to make the magnetic fluid form a Fresnel zone plate pattern.