Chengdu Tianma Micro-electronics Co., Ltd.

Dongquan Hou

Bo Wu

Yingru Hu

Peng Li

Xuhui Peng

Shoufu Jian

Fei Chen

Guobo Zeng

The present disclosure provides a liquid crystal phase shifting device, a manufacturing method for the liquid crystal phase shifting device, a liquid crystal phase shifter, and an antenna, aiming to achieve the better curved surface applications of the liquid crystal phase shifting device and thus increases the applications. The liquid crystal phase shifting device includes: a first flexible substrate and a second flexible substrate that are opposite to each other; a microstrip line arranged on a side of the first flexible substrate facing towards the second flexible substrate; an electrode layer arranged on a side of the second flexible substrate facing towards the first flexible substrate; and solid-state liquid crystal arranged between the microstrip line and the electrode layer. The liquid crystal phase shifting device is used for performing phase shifting on a microwave signal.

Liquid crystal phase shifting device, manufacturing method therefor, liquid crystal phase shifter, and antenna

Provided are a liquid crystal phase shifting unit, a method for manufacturing the same, a liquid crystal phase shifter, and an antenna, which relate to the technical field of phase shifting. A liquid crystal filling region () is supported steadily by a support structure (), which increases the transmission stability of a microwave signal. A space between a first substrate () and a second substrate () of the liquid crystal phase shifting unit includes the liquid crystal filling region (). A microstrip line () is provided on a surface of the first substrate () facing towards the second substrate (). An orthographic projection of the microstrip line () on the first substrate () is located in the liquid crystal filling region (). The support structure () is provided between the first substrate () and the second substrate () and in the liquid crystal filling region (). The orthographic projection of the support structure () on the first substrate () does not overlap the microstrip line (), which is used for shifting a phase of a microwave signal.

Liquid crystal phase shifting unit, manufacturing method therefor, liquid crystal phase shifter, and antenna

A display panel, a display device and a driving method of the display panel are provided. The display panel includes: a plurality of touch electrodes; a plurality of control units; switching units. Each switching unit and one of the control units are arranged to be associated with each other. Each switching unit is associated with one of the touch electrodes. Each control unit has a first and a second triggering signal input terminal, different gate driving signals are input to the first and the second triggering signal input terminal respectively. Each control unit is configured to output a control signal to an associated switching unit according to the gate driving signals input to the first and the second triggering signal input terminal. The associated switching unit is configured to output a touch signal to the associated one of the touch electrodes according to the control signal.

Display panel, display device and driving method of display panel

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Chengdu, China

Dongquan Hou