Hitachi, Ltd.

Panasonic Liquid Crystal Display Co., Ltd.

Japan Display Inc.

Hitachi Displays, Ltd.

Japan Science and Technology Agency

Japan Science and Technology Corporation

Panasonic Liquid Display Co., Ltd.

Panasonic Liquid Crystal Co., Ltd.

Makoto Yoneya

Tsunenori Yamamoto

Kikuo Ono

Yoshiaki Nakayoshi

Junichi Hirakata

Katsumi Kondo

Sukekazu Aratani

Masahiro Ishii

Masuyuki Ohta

Nobuyuki Suzuki

Keiichiro Ashizawa

Kazuhiro Ogawa

Nobutake Konishi

Masahiro Yanai

Kazuhiko Yanagawa

Yasushi Tomioka

Yoshiharu Nagae

Hisao Yokokura

Hiroshi Yokoyama

Kishiro Iwasaki

Takao Miwa

Shinichi Komura

Osamu Itou

Jun Yamamoto

Makoto Abe

Katsuyuki Funahata

Kazuhiro Kuwabara

Jong-Hyun Kim

Makoto Tsumura

Masahiko Ando

Jong-hyun Kim

Teruo Kitamura

Masuyuki Ota

Motomi Odamura

Tetsuya Ohashi

Kazuhiko Yamagawa

A liquid crystal display includes a first substrate and a second substrate opposed to each other with liquid crystal therebetween. A first pixel including a first TFT element and a first pixel electrode formed of a transparent conducting layer and disposed over the first substrate. A second pixel, adjacent to the first pixel, including a second TFT element and a second pixel electrode formed of a transparent conducting layer and disposed over the first substrate. A gate signal line disposed over the first substrate, is connected to the first and the second TFT elements. A drain signal line disposed over the first substrate and between the first and the second pixel electrodes, is connected to the second TFT element. A counter electrode formed of a transparent conducting layer and disposed over the first substrate, and is overlapped with the first and the second pixel electrodes and the drain signal line.

Liquid crystal display device

A liquid crystal display includes a first substrate and a second substrate opposed to each other with a liquid crystal layer between the first substrate and the second substrate. The first substrate has a plurality of drain signal lines and a plurality of gate signal lines, and a plurality of pixel regions are defined by the drain signal lines and the gate signal lines. Each of the pixel regions includes a first electrode having a plurality of strip-like portions extending in an extension direction of the drain signal lines, the strip-like portions having at least one bent portion so that extension directions of each two parts of the strip-like portions separated by the at least one bent portion are different from each other, and a second electrode formed between the first substrate and the first electrode, and being overlapped with the strip-like portions in plan view.

A high resolution, wide viewing angle, low power consumption liquid crystal display device which utilizes nematic liquid crystal and which can attain both the memory effect and wide-viewing-angle display characteristic. A liquid crystal display device that utilizes nematic liquid crystal and includes a pair of transparent substrates; a group of electrodes for applying to a liquid crystal layer disposed between the pair of substrates an electric field having a component substantially parallel to the surfaces of the substrates; and an alignment layer disposed between the liquid crystal layer and at least one of the pair of substrates and having been subjected to liquid crystal anchoring treatments in plural directions. The plurality of liquid crystal anchoring directions of the alignment layer form substantially equal angles relative to one another, and a rising angle in each of the liquid crystal anchoring directions with respect to the corresponding substrate surface is substantially zero.

A liquid crystal display includes first and second substrates with a liquid crystal layer therebetween, and a plurality of pixel regions defined by drain and gate signal lines of the substrate. The pixel region has a common electrode formed of a transparent conducting layer having a plurality of slits, a pixel electrode formed of a transparent conducting layer and having plane shape, and a first insulating layer interposed between the common electrode and the pixel electrode. The common electrode is arranged between the pixel electrode and the liquid crystal layer, and the pixel electrode is overlapped with a plurality of slits of the common electrode. A thin film transistor is connected to the drain signal line, and the pixel electrode is connected to a source electrode of the thin film transistor. The common electrode overlaps with a connection portion of the pixel and source electrodes on the first insulating layer.

A liquid crystal display device includes first and second substrates with a liquid crystal layer disposed therebetween, a display region and a peripheral region, a gate signal line and an image signal line, an insulating layer formed over the gate signal line and the image signal line, a pixel electrode formed in the display region, a counter electrode formed over the insulating layer and formed by a first transparent conductive layer, and a second transparent conductive layer and an external connection terminal. The second transparent conductive layer and the external connection terminal are disposed in the peripheral region, and the second transparent conductive layer is formed over the insulating layer and is electrically connected to the counter electrode and the external connection terminal. A part of the gate signal line is covered by the second transparent conductive layer in the peripheral region.

A liquid crystal display includes a first substrate, a second substrate, a liquid crystal disposed between the first substrate having drain lines and gate signal lines defining pixel regions and the second substrate. The pixel regions include a pixel electrode formed of a transparent conducting layer and having a plurality of slits, a common electrode formed of a transparent conducting layer, the common electrode being overlapped with the pixel electrode through an insulating layer, and the liquid crystal being driven by an electric field generated by the pixel electrode and the common electrode. A conductor layer is arranged proximate to the drain signal line. The conductor layer is placed at a position where at least a part thereof overlaps the common electrode, and the conductor layer is not connected to the drain signal line and the pixel electrode electrically.

A liquid crystal display includes a first substrate, a second substrate, and a liquid crystal disposed between the first substrate having first signal lines and second signal lines defining pixel regions and the second substrate. The pixel regions include a first transparent electrode, and a second transparent electrode which is overlapped with the first electrode through an insulating layer. The second transparent electrode is elongated so as to extend to plural pixel regions in overlapping relation with the first signal line which extends in plural pixel regions, and at least one strip-shaped opening portion is delimited between adjacent second transparent electrodes arranged in an extension direction of the first signal line, the at least one strip-shaped opening portion being formed in overlapping relation with the second signal line. A metal line is connected to the second transparent electrode, the metal line being elongated to extend to plural pixel regions.

A liquid crystal display apparatus is able to display high quality motion pictures with less after-image when displaying motion pictures and with less fuzzy images without making the response speed of the liquid crystal too fast. The display data emphasized excessively more than a changed value is written into the pixel having any change detected by comparison with the previous display data and its value is made to change excessively more than the value corresponding to its original display data, and then, according to the optical response of the liquid crystal, the lighting time and the lighting period of the light source are controlled for the individual areas of the illumination unit having plural areas.

Liquid crystal display apparatus

A liquid crystal display device includes first and second substrates, a liquid crystal layer disposed therebetween, pixel regions formed by gate signal lines and image signal lines formed over the first substrate, a first insulating layer formed over the gate signal lines, thin film transistors connected to the gate signal lines with in a second insulating layer formed thereover, pixel electrodes connected to the thin film transistors, a counter electrode formed of a first transparent conductive layer over the second insulating layer, and a second transparent conductive layer and an external connection terminal disposed outside of the pixel regions. The second transparent conductive layer is formed over the second insulating layer and is electrically connected to the counter electrode and the external connection terminal, and a part of each of the gate signal lines is disposed outside of the pixel regions and is covered by the second transparent conductive layer.

Liquid crystal display

A liquid crystal display includes a first substrate and a second substrate with a liquid crystal layer therebetween, the first substrate having a plurality of drain signal lines and a plurality of gate signal lines, and a plurality of pixel regions defined by the drain signal lines and the gate signal lines. The pixel regions include a first electrode having a plurality of linear shapes, a second electrode having a planer shape, the second electrode being overlapped with the first electrode through an insulation film, and a thin film transistor having a video signal supplied thereto from the drain signal line. The first electrode is connected with the thin film transistor so that an electric potential of the video signal is supplied thereto, and a standard electric potential is supplied to the second electrode. A third electrode is arranged between the drain signal line and the liquid crystal layer.

Liquid Crystal display device

An active matrix type liquid crystal display device includes first and second substrates, a liquid crystal layer disposed between the first and second substrates, a plurality of pixel regions formed by image signal lines and scan signal lines, and a semiconductor layer, a pixel electrode, a counter electrode formed on the first substrate in a pixel region. The pixel electrode is arranged at level which is lower than a level of the semiconductor layer.

Liquid crystal display device with semiconductor layer of TFT and pixel electrode at different levels

A liquid crystal display includes first and second substrates opposed to each other with liquid crystal therebetween, the first substrate having a plurality of drain signal lines and gate signal lines, and a plurality of pixel regions defined by the drain signal lines and the gate signal lines. The pixel region has a first electrode formed of a transparent conducting layer having a plurality of slits, a second electrode formed of a transparent conducting layer, and an insulating layer interposed between the first electrode and the second electrode. The second electrode is overlapped with a plurality of the slits of the first electrode in the pixel region, the first electrode is overlapped with the drain signal line and the gate signal line, and at least one of the first electrode and the second electrode is formed between the first substrate and the liquid crystal layer in the pixel region.

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Hitachinaka, Japan

Makoto Yoneya