Band-pass filter, manufacturing method and driving method thereof, and electronic device
A band-pass filter and electrode technology, applied in the field of communication, can solve problems such as low integration and difficulty in large-scale preparation, and achieve the effects of supporting large-scale production, reducing preparation costs, and high adjustment accuracy
Active Publication Date: 2022-02-01
BOE TECH GRP CO LTD
View PDF16 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the current bandpass filters with tunable working frequency bands are usually implemented using micro-electro-mechanical systems (MEMS, Micro-Electro-Mechanical System) or PIN structures, which are discrete devices with low integration and are not easy to scale up.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0022] The present disclosure describes a number of embodiments, but the description is illustrative rather than restrictive, and it will be apparent to those of ordinary skill in the art that within the scope encompassed by the described embodiments of the present disclosure, There are many more embodiments and implementations. Although many possible combinations of features are shown in the drawings and discussed in the description, many other combinations of the disclosed features are possible. Except where expressly limited, any feature or element of any embodiment may be used in combination with, or substituted for, any other feature or element of any other embodiment.
[0023] This disclosure includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The disclosed embodiments, features and elements of this disclosure can also be combined with any conventional features or elements to form a unique technical solution defin...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| thickness | aaaaa | aaaaa |
Login to View More
Abstract
A bandpass filter, comprising: a first substrate and a second substrate oppositely arranged, and a liquid crystal layer located between the first substrate and the second substrate; the first substrate includes a first substrate and a substrate arranged on the first substrate The first electrode and the ground electrode, the first electrode is located on the side of the first substrate close to the liquid crystal layer, the ground electrode is located on the side of the first substrate away from the liquid crystal layer, and the first electrode is coupled to the ground electrode; the second substrate includes a second The substrate and the second electrode arranged on the second substrate, the second electrode is located on the side of the second substrate close to the liquid crystal layer; the dielectric constant of the liquid crystal layer changes with the voltage between the first electrode and the second electrode, with The working frequency band of the pass filter changes with the dielectric constant of the liquid crystal layer.
Description
technical field [0001] This article relates to the field of communication technology, especially to a band-pass filter, a preparation method and a driving method thereof, and an electronic device. Background technique [0002] The bandpass filter is an indispensable microwave device in the communication system. Its main function is to realize the transmission of signals within the specified frequency band and attenuate and suppress the signals outside the frequency band. With the complex design of the communication system, the working frequency band of the communication system increases. However, the working frequency band of the traditional band-pass filter cannot be changed. If the working frequency band of the communication system changes, the design of the band-pass filter needs to be increased or changed. In view of the above situation, the use of a band-pass filter with an adjustable working frequency can reduce the complexity of the communication system and save the c...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H01P1/20H01P11/00G02F1/1333G02F1/1343
CPCH01P1/20H01P11/007G02F1/1333G02F1/1343
Inventor 于海
Owner BOE TECH GRP CO LTD