Boe Technology Group Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Sensor Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Beijing Jingdong Qianshi Technology Co., Ltd.

Xiangzhong Kong

Tienlun Ting

Lei Wang

Ken Wen

Ying Wang

Liang Li

Chuncheng Che

Peizhi Cai

Jie Wu

Xue Cao

Tien Lun Ting

Haocheng Jia

Tuo Sun

Guangkui Qin

Hao Liu

Hongwei Wang

Yongli Ren

A phase shifter and a method for operating the same, an antenna and a communication device are provided. The phase shifter includes: a first substrate and a second substrate opposite to each other; a dielectric layer between the first substrate and the second substrate; a first electrode on a side of the first substrate proximal to the second substrate; a second electrode on a side of the second substrate proximal to the first substrate; and a ground electrode on a side of the second substrate distal to the first substrate. The dielectric layer includes liquid crystal molecules, and the first electrode and the second electrode are configured to control rotation of the liquid crystal molecules according to different voltages respectively received by the first electrode and the second electrode. The second electrode has a one-piece structure.

Liquid crystal phase shifter having a first electrode with periodic metal patches and a second electrode with a one-piece microstrip

A product identification method comprises instructing an antenna in a product verification area to collect first product identification data of identified products in the case where a user enters the product verification area of a product identification passage; instructing the antenna in the product verification area to collect product verification data of identified products in the case where a user enters a product settlement area of the product identification passage; and determining user product data based on the first product identification data and the product verification data. A product verification area is provided to eliminate a tag outside the passage being falsely read and reduce a tag false reading probability.

Product identification method and passage, control device, and product settlement passage

An amplifying circuit and a rectifying antenna are provided. The amplifying circuit includes: a first rectifying circuit (), configured to output a first direct current signal according to an alternating current signal; a second rectifying circuit (), configured to output a second direct current signal according to the alternating current signal; a differential amplifying circuit (), configured to receive the first direct current signal and the second direct current signal, amplify a difference between the first direct current signal and the second direct current signal, and output an amplified difference between the first direction current signal and the second direct current, the first direct current signal and the second direct current signal have directions opposite to each other. The amplifying circuit can improve sensitivity of an antenna with relatively low costs.

Amplifying circuit and rectifying antenna

Liquid crystal phase shifter having a first electrode with metal patches and a second electrode that is one-piece

A liquid crystal antenna unit and a liquid crystal phased array antenna are provided. The liquid crystal antenna unit includes: a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer between the first substrate and the second substrate, a transmission line on a first surface and extending in a first direction along the first surface, a first antenna oscillator on the first surface and arranged as an elongated dipole extending in a second direction along the first surface, a second antenna oscillator on a surface of the second substrate distal to the first substrate and at a position corresponding to the first antenna oscillator, and a ground electrode on a surface of the first substrate distal to the second substrate.

Liquid crystal antenna unit and liquid crystal phased array antenna

The present disclosure provides a signal conditioner, an antenna device and a manufacturing method. The signal conditioner includes: a microstrip line including a first portion and a second portion; an insulating layer including a first insulating layer covering the first portion; at least one electrode; a liquid crystal layer covering the microstrip line, the insulating layer, and the at least one electrode; and a common electrode line. A first end of the first portion is connected to a first end of the second portion. A second end of the first portion is connected to a second end of the second portion. The at least one electrode includes a first electrode on a side of the first insulating layer facing away from the first portion. The common electrode line is on a side of the liquid crystal layer facing away from the microstrip line.

Signal conditioner, antenna device and manufacturing method

Embodiments of the present disclosure provide a power distribution network, a liquid crystal antenna including the power distribution network, and a communication device including the liquid crystal antenna. The power distribution network is configured to be used in a liquid crystal antenna and includes a plurality of cascaded power distributors. Each of the plurality of cascaded power distributors comprises a first microstrip line, a transmission medium region and a reference electrode. A tangent value of a dielectric loss angle of a transmission medium in the transmission medium region is smaller than a tangent value of a dielectric loss angle of a liquid crystal in the liquid crystal antenna.

Power distribution network, liquid crystal antenna and communication device

A liquid crystal antenna, a manufacturing method and a driving method thereof, and a communication device are disclosed. The liquid crystal antenna includes a first substrate and a second substrate provided opposite to each other, a liquid crystal layer, a plurality of microstrip patch antenna structures and a ground electrode. The liquid crystal layer and the plurality of microstrip patch antenna structures are located between the first substrate and the second substrate; the ground electrode is located on a side of the first substrate away from the liquid crystal layer. Each of the plurality of microstrip patch antenna structures is configured to receive a voltage signal that controls deflection of liquid crystal molecules in the liquid crystal layer and to receive or transmit a microwave signal.

Liquid crystal antenna and manufacturing method and driving method thereof, and communication device

An amplifying circuit and a rectifying antenna are provided. The amplifying circuit includes: a first rectifying circuit, configured to output a first direct current signal according to a first alternating current signal; a second rectifying circuit, configured to output a second direct current signal according to a second alternating current signal; a differential amplifying circuit, configured to receive the first direct current signal and the second direct current signal, amplify a difference between the first direct current signal and the second direct current signal, and output an amplified difference between the first direction current signal and the second direct current, the first direct current signal and the second direct current signal have directions opposite to each other.

An antenna structure and a modulation method therefor are provided. The antenna structure includes a radiation patch, a radio-frequency port, a first signal line, a second signal line, a power divider, and a first phase modulator. The radiation patch includes a first feed point and a second feed point. One end of the first signal line is connected to the first feed point. One end of the second signal line is connected to the second feed point. The power divider is separately connected to the radio-frequency port, the other end of the first signal line, and the other end of the second signal line, and is configured to allocate electromagnetic waves of the radio-frequency port to the first signal line and the second signal line; and the first phase modulator is configured to modulate the phase of the electromagnetic waves of the first signal line.

Antenna structure and modulation method therefor

A phase shifter and a method for operating the same, an antenna and a communication device are provided. The phase shifter includes: a first substrate and a second substrate opposite to each other; a dielectric layer between the first substrate and the second substrate; a first electrode on a side of the first substrate proximal to the second substrate; a second electrode on a side of the second substrate proximal to the first substrate; and a ground electrode on a side of the second substrate distal to the first substrate. The dielectric layer includes liquid crystal molecules, and the first electrode and the second electrode are configured to control rotation of the liquid crystal molecules according to different voltages respectively received by the first electrode and the second electrode.

Phase shifter including a dielectric layer having liquid crystal molecules configured to be rotated so as to cause phase shift

The present disclosure provides a glass assembly, a manufacturing method thereof and a glass window. The glass assembly includes: a first glass plate and a second glass plate disposed opposite to each other, wherein inert gas is filled between the first glass plate and the second glass plate; a first electrode and a second electrode disposed between the first glass plate and the second glass plate, the inert gas is transformed into plasma in the case where an electric field is generated using the first electrode and the second electrode.

Glass assembly, manufacturing method thereof, and glass window

A frequency tunable antenna includes a first substrate and a second substrate that are disposed opposite to each other, a second electrode disposed on a side of the second substrate close to the first substrate, a first electrode disposed on a side of the first substrate close to the second substrate, and a liquid crystal layer disposed between the second electrode and the first electrode. The second electrode and the first electrode are configured to adjust transmitting and receiving frequencies of the frequency tunable antenna by controlling an alignment manner of liquid crystals of the liquid crystal layer.

Frequency tunable antenna and method of manufacturing the same, display panel

An antenna includes: a first substrate and a second substrate; a first antenna electrode is disposed on a side of the first substrate away from the second substrate; a second antenna electrode is disposed on a side of the second substrate away from the first substrate and a microstrip line is disposed on a side of the second substrate close to the first substrate; a liquid crystal layer is disposed between the first substrate and the second substrate; at least one drive electrode assembly is disposed between the first substrate and the second substrate. The at least one drive electrode assembly is configured to achieve impedance matching of the antenna by controlling liquid crystal molecules of the liquid crystal layer to deflect.

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Beijing, China

Xiangzhong Kong