Japan Display Inc.

Hiroaki Komatsu

Hiroyuki Abe

Masahiro Maki

Hideo Sato

Saori Sugiyama

Takanori Nakayama

Hirotaka Imayama

Yuji Maede

Masaru Nakakomi

A driving circuit of a display device includes first to third output signal lines which are continuously arranged, a first transistor that has a source connected to the second output signal line and a drain connected to a first clock signal line, and a second transistor that provides a non-active potential to a gate of the first transistor when a second clock signal becomes the active potential, wherein a circuit that outputs the active potential to the first output signal line and the third output signal line is disposed at an opposite side to a circuit that outputs the active potential to the second output signal line with a display region interposed therebetween, and wherein the gate of the first transistor is connected to the first output signal line and the third output signal line via rectifying circuits.

Display device

A gate signal line driving circuit includes plural basic circuits, each outputting to a gate signal line a gate signal which is high during a high signal period and low during a low signal period. Each of the basic circuits includes: agate line high voltage application circuit which is turned on in accordance with the high signal period to apply the high voltage to the gate signal line; a gate line low voltage application circuit which is turned on in accordance with the low signal period to apply the low voltage to the gate signal line; and a second gate line low voltage application circuit which is turned on to apply the low voltage to the gate signal line in at least a part of a period between turning off the gate line high voltage application circuit and turning on the gate line low voltage application circuit.

Shift register circuit

A gate signal line driving circuit includes plural basic circuits, each outputting to a gate signal line a gate signal which is high during a high signal period and low during a low signal period. Each of the basic circuits includes: a gate line high voltage application circuit which is turned on in accordance with the high signal period to apply the high voltage to the gate signal line; a gate line low voltage application circuit which is turned on in accordance with the low signal period to apply the low voltage to the gate signal line; and a second gate line low voltage application circuit which is turned on to apply the low voltage to the gate signal line in at least a part of a period between turning off the gate line high voltage application circuit and turning on the gate line low voltage application circuit.

A gate signal line driving circuit includes plural basic circuits, each outputting to a gate signal line a gate signal which is high during a high signal period and low during a low signal period. Each of the basic circuits includes: agate line high voltage application circuit which is turned on in accordance with the high signal period to apply the high voltage to the gate signal line; a gate line low voltage application circuit which is turned on in accordance with the low signal period t apply the low voltage to the gate signal line; and a second gate line low voltage application circuit which is turned on to apply the low voltage to the gate signal line in at least a part of a period between turning off the gate line high voltage application circuit and turning on the gate line low voltage application circuit.

To provide a liquid crystal display device capable of controlling deterioration of contrast even in the case where an opening is formed in an organic flattened film and the film has unevenness. In the liquid crystal display device that includes a TFT substrate, a CF substrate, and liquid crystal sandwiched between the TFT substrate and the CF substrate and that drives the liquid crystal with a lateral electric field, the TFT substrate has the organic flattened film in which a through hole for contacting a source electrode of the TFT and a pixel electrode and a sectional shape of the through hole is asymmetrical between a side on which the pixel electrode extends and the other side.

Liquid crystal display device

Gate signal line drive circuit and display device

A liquid crystal display device having 2-pixel multi-domain type pixels, in which columnar spacers are disposed in optimal positions. Each of plural video lines has a first portion in which an acute-angled crossing angle of two crossing angles crossing each of scanning lines becomes a positive angle in a clockwise direction from each of the scanning lines, and a second portion in which an acute-angled crossing angle of the two crossing angles crossing each of scanning lines becomes a negative angle in the clockwise direction from each of the scanning lines. The first and second portions are alternately disposed so as to hold the scanning line between them.

A three-dimensional display device of a parallax barrier system including a liquid crystal display device of an IPS system having a TFT substrate and an opposed substrate as well as a liquid crystal barrier panel of a TN system having a first substrate and a second substrate, in which the opposed substrate of the liquid crystal display device and the second substrate of the liquid crystal barrier panel are opposedly arranged by interposing a polarizer, the TFT substrate includes a pixel configured by a common electrode having a slit above a pixel electrode configured in a planar shape, and includes a first pixel in which an angle made by an alignment axis of the TFT substrate and a direction of a long axis of the slit is &#x3b8;1 and a second pixel in which an angle made by the alignment axis of the TFT substrate and the direction of the long axis of the slit is &#x3b8;2, &#x3b8;1 and &#x3b8;2 are in a relationship &#x3b8;1=&#x2212;&#x3b8;2, the first pixel and the second pixel are arranged to switch in a first direction, and arranged to switch in a second direction, and the alignment axis of the TFT substrate and an alignment axis of the second substrate of the liquid crystal barrier panel coincide with each other or are orthogonal to each other.

Liquid crystal display device and three-dimensional display device

Liquid crystal display device having asymmetrical through hole

A liquid crystal display device having 2 pixel multi-domain type pixels, in which columnar spacers are disposed in optimal positions. Each of plural video lines has a first portion in which an acute-angled crossing angle of two crossing angles crossing each of scanning lines becomes a positive angle in a clockwise direction from each of the scanning lines, and a second portion in which an acute-angled crossing angle of the two crossing angles crossing each of scanning lines becomes a negative angle in the clockwise direction from each of the scanning lines. The first and second portions are alternately disposed so as to hold the scanning line between them.

Growing community of inventors

Mobara, Japan

Hiroaki Komatsu