Modulating device including two scan lines that transmit a first scanning signal to switches of two rows
A modulating device includes multiple modulators, multiple switches, and a driving circuit. The driving circuit drives switches of more than two rows among the switches within a time period. Each of the modulators comprises a pixel circuit and a working element. The pixel circuit is electrically connected to the working element. The working element is one of a varactor and a variable resistor. The modulating device further comprises a plurality of scan lines connecting to the driving circuit. A first scan line and a second scan line transmit a first scanning signal to switches of two rows among the switches. The first scan line and the second scan line which transmit the same first scanning signal are separated by a plurality of third scan lines, and the plurality of third scan lines receive a plurality of scanning signals respectively different from the first scanning signal.
1 . A modulating device, comprising:
a substrate having a surface;
a plurality of modulators, disposed on the surface of the substrate;
a plurality of switches, disposed on the surface of the substrate, wherein each of the modulators corresponds to each of the switches;
a driving circuit, disposed on the surface of the substrate and configured to drive the switches,
wherein the driving circuit drives switches of more than two rows among the plurality of switches within a time period,
wherein each of the modulators comprises a pixel circuit and a working element,
wherein the pixel circuit is electrically connected to the working element,
wherein the working element is a varactor;
a plurality of scan lines disposed on the surface of the substrate, and connected to the driving circuit, wherein the plurality of scan lines comprise a first scan line, a second scan line, and a plurality of third scan lines,
wherein the first scan line and the second scan line transmit a first scanning signal to switches of two rows among the plurality of switches, and
wherein the first scan line and the second scan line which transmit the same first scanning signal are separated by the plurality of third scan lines, and the plurality of third scan lines receive a plurality of scanning signals respectively different from the first scanning signal; and
an electrical connection structure, disposed on the surface of the substrate,
wherein the first scan line is connected to the second scan line through the electrical connection structure,
wherein the electrical connection structure comprises:
a connection line,
a first via, connected between the first scan line and a first end of the connection line, and
a second via, connected between the second scan line and a second end of the connection line,
wherein in a top view, the first via has a first width along a first direction parallel to the surface of the substrate, the connection line has a second width along the first direction, and the first width is greater than the second width.
2 . The modulating device according to claim 1 , wherein:
the modulating device further comprises a plurality of data lines,
each of the switches comprises a first end, a second end, and a control end,
the first end is connected to a corresponding data line in the data lines,
the second end is connected to a corresponding modulator in the modulators, and
the control end is connected to a corresponding scan line in the scan lines.
3 . The modulating device according to claim 1 , wherein the pixel circuit comprises at least one of an amplifier circuit, a compensation circuit, and a source follower circuit.
4 . The modulating device according to claim 1 , wherein each of the modulators further comprises:
a capacitor, electrically connected to the working element.
5 . The modulating device according to claim 1 , wherein in the top view, the electrical connection structure has a first bend at a connection position with the first scan line, and a second bend at a connection position with the second scan line.
6 . The modulating device according to claim 5 , wherein:
an angle between the first bend and the first scan line is an obtuse angle, and
an angle between the second bend and the second scan line is an obtuse angle.
7 . The modulating device according to claim 1 ,
wherein in the top view, the electrical connection structure has a first bend at a connection position with the first scan line, and a second bend at a connection position with the second scan line,
wherein:
a shape of the first bend is an arc, and
a shape of the second bend is an arc.
8 . The modulating device according to claim 1 , wherein the first scan line and the second scan line are parallel and extend along the first direction, and at least a portion of the connection line extends along a second direction different from the first direction.