Liquid crystal display device
View Patent ↗Pixel electrode driver circuit is disclosed, which include a data signal line, a first latch circuit composed of a three-stage shift circuit, and a second latch circuit connected to each latch, and in which each output of the second latch circuit is connected to each of electrodes corresponding to pixels in respective colors of red, green, and blue to thereby drive every 2 to 32 electrodes in a time division manner. Further, the pixel electrode driver circuit has a positive power supply connected to a control line of the latch circuit for power supply, and two pairs of wirings extending in vertical and horizontal directions and consisting of a data signal line and one control line, and another control line and a GND line are used for connection to the pixel electrode substrate. Further, the pixel electrode driver circuits have a mirror-symmetry suitable for substrate formation by an FSA method.
1. A liquid crystal display device, comprising:
a pixel electrode substrate and an opposing electrode substrate which are arranged so as to oppose with each other;
a liquid crystal layer formed between the pixel electrode substrate and the opposing electrode substrate;
a plurality of pixel electrodes formed on the pixel electrode substrate, which are arranged in matrix and are comprised of row electrodes and column electrodes;
a plurality of pixel electrode driver circuits formed at intersections of the row electrodes and the column electrodes; and
an opposing electrode formed on the opposing electrode substrate,
wherein the pixel electrode driver circuit comprises: a first latch circuit that receives a data signal and a first control signal; and a second latch circuit that receives an output of the first latch circuit and a second control signal, and performs a time division drive by using the plurality of pixel electrodes which are connected in series to the outputs of the second latch circuit and the opposing electrode.
2. A liquid crystal display device according to claim 1 , wherein the first latch circuit is comprising m-stage shift circuit where m is an integer equal to or larger than 1, the second latch circuit is comprising m-stage shift circuit, and each output of the m latch circuit is connected to each of the pixel electrodes which are divided into m.
3. A liquid crystal display device according to claim 2 , wherein the m-stage shift circuit comprises a three-stage shift circuit, each of the outputs of the second latch circuits connected to an output of the three-stage shift circuit is connected to each of the pixel electrodes corresponding to pixels in respective colors of red, green, and blue.
4. A liquid crystal display device according to claim 1 , wherein the plurality of pixel electrodes which are connected in series comprise 2 to 32 pixel electrodes.
5. A liquid crystal display device according to claim 1 , wherein the time division drive is a synchronous drive for every plurality of pixel electrodes therewith, which are connected in series.
6. A liquid crystal display device according to claim 1 , wherein a positive power supply for the pixel electrode driver circuit is supplied from a first control signal line and a second control signal line.
7. A liquid crystal display device according to claim 1 , wherein the pixel electrode substrate has a first pair of wirings extending in vertical direction and a second pair of wirings extending in horizontal direction.
8. A liquid crystal display device according to claim 7 , wherein the first pair of wirings comprises a line for the data signal and the second control signal line, the second pair of wiring comprises the first control signal line and a GND line.
9. A liquid crystal display device according to claim 1 , wherein the pixel electrode driver substrate is formed by using an Fluidic Self Assembly (FSA) method.