Sharp Kabushiki Kaisha Corporation

Yasuhiro Matsushima

Yutaka Takafuji

Takayuki Shimada

Toshihiro Yamashita

Sunao Etoh

Tohru Okuda

Taimi Oketani

Masatoshi Hayashi

Takashi Sato

Yoji Yoshimura

Koujiro Tsubota

A liquid crystal display device has a plurality of gate bus wirings and source bus wirings on one of paired substrates. Moreover, a inter-layer insulating film made of an organic material is provided on thin film transistors of respective picture elements, and a picture element electrode is provided on the inter-layer insulating film. Furthermore, the liquid crystal display device is provided with an additional capacity common wiring which is provided on the inter-layer insulating film and forms an additional capacity section between the picture element electrode and the additional capacity common wiring. As a result, the liquid crystal display device can realize high quality and a high aperture ratio.

Semiconductor device

A liquid crystal display device according to the present invention includes an active matrix array made up of switching elements provided at each intersection between a plurality of scanning lines and a plurality of signal lines, and a vertical drive circuit for driving the active matrix array, in which the vertical drive circuit includes: scanning circuits N in number (N being a positive integer), which receive a start pulse and output pulse signals, the respective scanning circuits sequentially shifting the pulse signal by one-half of a clock signal cycle each; AND gate circuits N&times;M in number (M being an integer no less than 2), each provided with a first control terminal and a second control terminal, every M adjacent AND gate circuits being connected together via the first control terminals thereof, which receive a signal from one of the N scanning circuits, and every Mth AND gate circuit being connected together via the second control terminals thereof, which receive one of M kinds of second control signal; and NAND gate circuits, each of which receives an output from one of the AND gate circuits and one of two kinds of third control signal outputted by a third control terminal.

LCD driving circuitry with reduced number of control signals

A semiconductor device has a plurality of gate bus wirings and source bus wirings on one of paired substrates. Moreover, an inter-layer insulating film made of an organic material is provided on thin film transistors of respective picture elements, and a picture element electrode is provided on the inter-layer insulating film. Furthermore, the semiconductor device is provided with an additional capacity common wiring which is provided on the inter-layer insulating film and forms an additional capacity section between the picture element electrode and the additional capacity common wiring.

A liquid crystal display device is provided which includes: a first substrate; a second substrate; and a liquid crystal layer interposed between the first substrate and the second substrate. The first substrate includes a plurality of switching elements, a plurality of picture element electrodes connected to the plurality of the switching elements and a plurality of color filters which are arranged so as to correspond to the plurality of the picture element electrodes on an area of the first substrate corresponding to a display region of the liquid crystal display device, and a light shielding frame layer around a periphery of the display region.

LCD with light shielding on same insulator as pixel and extending beyond sealant inner surface

A liquid crystal display device includes a liquid crystal between a substrate having gate buslines, source buslines, switching elements, pixel electrode array, gate driver, source driver, etc., and a substrate having a counter electrode, etc. In this liquid crystal display device, the gate driver performs simultaneous two-line scanning by applying a scanning signal to two gate buslines simultaneously. The source driver feeds video signals of opposite polarities to adjacent source buslines, respectively. The video signals are inverted every vertical scanning period.

Liquid crystal display device

An object of the present invention is to provide a method for producing a display device by which a substrate is thinned efficiently. Onto one original substrate having an area for a plurality of display devices, the other original substrate is bonded via a sealing resin layer, the pair of bonded original substrates is divided and separated into a plurality of pairs of substrates of a size of each individual display device, and thereafter a substrate thinning process of thinning the substrates is performed in a state where the substrates are held by substrate holding means.

Method for producing display device

Switching element substrate having additional capacity and manufacturing method thereof

A cleaning apparatus in accordance with the present invention includes a first inflow section, provided on a first side surface of a cleaning tank having a substantially rectangular parallelopiped shape, having two inflow openings, a second inflow section, provided on a second side surface facing the first side surface, having inflow openings, and outflow openings for releasing a cleaning liquid flown in from the first and second inflow sections. The cleaning liquid flowing in from the inflow openings forms complex and strong flows in the cleaning tank, thus removing contaminants on a cleaning target evenly and efficiently without nonuniformity and preventing stagnation of the cleaning liquid in the cleaning tank. The cleaning liquid released in filtered by a circulatory section and is allowed to flow into the cleaning tank again through a pipe. As a result, it is possible to clean evenly and efficiently a large cleaning target such as a glass substrate used for liquid crystal display devices and other devices.

Cleaning method and cleaning apparatus

A liquid crystal display device is composed of (1) a first substrate which is equipped with at least gate bus-lines, source bus-lines, a switching element array, pixel electrodes, and a source driver and a gate driver for driving the switching electrode array, (2) a second substrate on which a counter electrode is provided, and (3) liquid crystal provided between the first and second substrates. A color filter formation-use driver is provided with respect to either the gate bus-lines or the source bus-lines, and color filters are formed on the pixel electrodes by the use of the color filter formation-use driver. By doing so, color filters can be formed in a simple and easy manner, with input of a small number of signals, without using the drivers which are designed for driving the liquid crystal display device.

Liquid crystal display device, method for manufacturing the same, and method for inspecting the same

A liquid crystal display device has a plurality of gate bus wirings and source bus wirings on one of paired substrates. Moreover, a inter-layer insulating film made of an organic material is provided on thin film transistors of respective picture elements, and a picture element electrode is provided on the inter-layer insulating film. Furthermore, the liquid crystal display device is provided with an additional capacity common wiring which is provided on the inter-layer insulating film and forms an additional capacity section between the picture element electrode and the additional capacity common wiring.

Liquid crystal display device with active matrix substrate using

A cleaning apparatus and method in accordance with the present invention includes a first inflow section, provided on a first side surface of a cleaning tank having a substantially rectangular parallelopiped shape, having two inflow openings, a second inflow section, provided on a second side surface facing the first side surface, having inflow openings, and outflow openings for releasing a cleaning liquid flown in from the first and second inflow sections. The cleaning liquid flowing in from the inflow openings forms complex and strong flows in the cleaning tank, thus removing contaminants on a cleaning target evenly and efficiently without nonuniformity and preventing stagnation of the cleaning liquid in the cleaning tank. The cleaning liquid released in filtered by a circulatory section and is allowed to flow into the cleaning tank again through a pipe. As a result, it is possible to clean evenly and efficiently a large cleaning target such as a glass substrate used for liquid crystal display devices and other devices.

Method of cleaning a substrate in a cleaning tank using plural fluid

Liquid crystal display device having an insulation film made of organic

With respect to at least one of a plurality of TFTs constituting a liquid crystal display device; a signal wiring having one end functioning as a gate electrode of the TFT is formed so as to include: a main portion, formed by patterning a first wiring layer, having a disconnected portion in the vicinity of an active region of the transistor; and a connecting portion, formed by patterning a second wiring layer which is different from the first wiring layer, for interconnecting the disconnected portion. Thus, the breakdown of the gate insulating film of the TFTs during the ion implantation process can be prevented.

Growing community of inventors

Kashihara, Japan

Yasuhiro Matsushima