Patent ID: 11876274
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A phase shifter, comprising: a substrate, a signal line on the substrate, pairs of ground lines on the substrate, and a capacitance adjusting component, wherein
two ground lines in a same pair of ground lines are on opposite sides of the signal line and spaced apart from the signal line, respectively, the capacitance adjusting component comprises a film bridge, the film bridge includes opposite ends that are on the two ground lines, respectively, the signal line is in a space enclosed by the film bridge and the substrate, the capacitance adjusting component is configured to adjust a capacitance between the film bridge and the signal line to a target capacitance when the capacitance adjusting component receives a bias voltage, and the target capacitance has a linear correlation with a magnitude of the bias voltage; and
the film bridge comprises two connection walls and a bridge floor structure that is opposite to the substrate, the two connection walls are connected to opposite ends of the bridge floor structure, respectively, and are on the two ground lines, respectively, the bridge floor structure comprises an electrode portion, two adsorption portions, and a plurality of first connection bars, the electrode portion is opposite to the signal line, the two adsorption portions are connected to both sides of the electrode portion, respectively, each of the two adsorption portions is connected to one of the two connection walls through the plurality of first connection bars, and the two adsorption portions correspond to positions of the two ground lines, respectively.