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US 9,792,870 B2Granted
Liquid crystal display device
AssigneePanasonic Liquid Crystal Display Co., Ltd.
InventorsGenshiro Kawachi, Kazuo Kita
Life of this patent
Estimating the term…
Abstract
Provided is a liquid crystal display device, including: a plurality of scanning connection lines formed on at least one side of edges of the image display region, the plurality of scanning connection lines connecting together a scanning signal drive circuit and a plurality of scanning signal lines; a selection circuit formed so as to be interposed between the plurality of scanning connection lines and the plurality of scanning signal lines, the selection circuit being configured to selectively short-circuit one of a plurality of the scanning signal lines to one of the plurality of scanning connection lines based on a selection signal; and a selection signal line connected to the selection circuit, the selection signal line transmitting the selection signal to the selection circuit.
Claims19
A liquid crystal display device, comprising:
- an image display region comprising a plurality of pixels sectioned by a plurality of scanning signal lines and a plurality of video signal lines;
- a scanning signal drive circuit formed outside the image display region;
- a plurality of scanning connection lines formed outside the image display region, the plurality of scanning connection lines connecting together the scanning signal drive circuit and the plurality of scanning signal lines;
- a selection circuit formed so as to be interposed between the plurality of scanning connection lines and the plurality of scanning signal lines, the selection circuit being configured to selectively short-circuit one of a plurality of the scanning signal lines to one of the plurality of scanning connection lines based on a selection signal;
- and
- a plurality of selection signal lines connected to the selection circuit, the plurality of selection signal lines transmitting the selection signal to the selection circuit,
- wherein the selection circuit is configured to connect one of the plurality of scanning connection lines to a plurality of the scanning signal lines via thin film transistors (TFT5),
- wherein the TFTs are connected to respective ones of the plurality of the scanning signal lines,
- wherein the display device further comprises an insulating film interposed between the selection circuit and the selection signal lines,
- wherein the selection circuit and the selection signal lines overlap with each other in plan view, and
- wherein gate electrodes of the TFTs and the selection signal lines are connected to each other via holes formed through the insulating film, respectively.
8 more elements
A liquid crystal display device, comprising:
- an image display region comprising a plurality of pixels sectioned by a plurality of scanning signal lines and a plurality of video signal lines;
- a scanning signal drive circuit formed outside the image display region;
- a plurality of scanning connection lines formed outside the image display region, the plurality of scanning connection lines connecting together the scanning signal drive circuit and the plurality of scanning signal lines;
- a selection circuit formed so as to be interposed between the plurality of scanning connection lines and the plurality of scanning signal lines, the selection circuit being configured to selectively short-circuit one of a plurality of the scanning signal lines to one of the plurality of scanning connection lines based on a selection signal;
- a plurality of selection signal lines connected to the selection circuit, the plurality of selection signal lines transmitting the selection signal to the selection circuit, the selection circuit being configured to connect one of the plurality of scanning connection lines to a plurality of the scanning signal lines via thin film transistors (TFT5);
- and
- a sealing material for bonding an array substrate and a color filter substrate to each other, the sealing material being formed at a position overlapping with the plurality of scanning connection lines and the TFTs of the selection circuit in plan view.
4 more elements
A liquid crystal display device, comprising:
- an image display region comprising a plurality of pixels sectioned by a plurality of scanning signal lines and a plurality of video signal lines;
- a scanning signal drive circuit formed outside the image display region;
- a plurality of scanning connection lines formed outside the image display region, the plurality of scanning connection lines connecting together the scanning signal drive circuit and the plurality of scanning signal lines;
- a selection circuit formed so as to be interposed between the plurality of scanning connection lines and the plurality of scanning signal lines, the selection circuit being configured to selectively short-circuit one of a plurality of the scanning signal lines to one of the plurality of scanning connection lines based on a selection signal;
- and
- a plurality of selection signal lines connected to the selection circuit, the plurality of selection signal lines transmitting the selection signal to the selection circuit, the selection circuit being configured to connect one of the plurality of scanning connection lines to a plurality of the scanning signal lines via thin film transistors (TFTs),
- wherein a supply start timing to supply the selection signal to a first selection signal line is earlier than a supply start timing to supply signal voltages corresponding to pixel values via the plurality of video signal lines to pixels corresponding to the first selection signal line.
4 more elements
Dependencies are inferred from the claim text.