Hitachi, Ltd.

Hitachi Displays, Ltd.

Ken Sasaki

Shigeru Matsuyama

Masaharu Koyama

Yoshiaki Nakayoshi

Takao Umeda

Tatsuo Igawa

Takao Miyashita

Shinzo Matsumoto

Masaki Mega

Sigeru Matsuyama

Kiyoshige Kinugawa

Seikichi Tanno

Akira Ishii

Shinji Hasegawa

Yuzuru Simazaki

Kazuhisa Toriyama

Noboru Hoshino

Yoshio Hanada

Tsujiaki Hata

Masamitsu Naoi

Tsunehiro Yoshino

Katuhiro Miyazaki

Keiichi Aoki

Kazuyoshi Ichihara

Pixel regions are formed on a liquid-crystal-side surface of one substrate out of respective substrates which are arranged to face each other in an opposed manner with liquid crystal therebetween, wherein each pixel region includes pixel electrodes having bent portions and counter electrodes which are arranged at positions where the pixel electrodes are shifted in parallel, the pixel electrode and the counter electrode are respectively constituted of two electrodes which are overlapped to each other as an upper layer and a lower layer by way of an insulation film, and to the lower-layer side electrode of at least one electrode out of the pixel electrode and the counter electrode, projections which further project from crests of convex-portion sides of the bent portions and extend toward another electrode side are provided.

Liquid crystal display with zigzag shaped pixel and counter electrodes with notch formed in concave portion of pixel and counter electrodes

Liquid crystal display device

In a display panel consisting essentially of a pair of substrates whose opposed surfaces are equipped with transparent conductive layers and at least one of which consists of an organic polymer film, and of a display member interposed between said pair of substrates, the improvement wherein said organic polymer film is a uniaxially stretched polyester film.

Display panel having uniaxially-stretched organic polymer film as the

A liquid crystal display device is disclosed in which a liquid crystal material mixed with a dichroic dye is held between a pair of substrates whose facing surfaces are provided with electrodes, so that a picture element is made up of a pair of facing portions of the electrodes and a portion of the liquid crystal material sandwiched by the facing portions, in which a reflecting plate is adjacent to one of the substrates, and in which at least one of the substrates is formed of a birefringent material having slow and fast principal axes of birefringence. In the above device, an angle between the direction of the absorption axis of the dichroic dye and one of the principal axes of birefringence of the substrate is selected so that the contrast and viewing-direction characteristic of the device can be improved.

A liquid crystal display device, wherein a fill port for inserting a liquid crystal composition thereinto is sealed by using a photo-setting resin composition comprising an acrylic or methacrylic type resin as a major resin component and two or more photosensitizers different in quality, is excellent in reliability and the sealed portion of the fill port can sufficiently and uniformly be cured both in surface and inner portions by irradiation of light in a short time.

Fill port seal with first and second photosensitizers

A multi-layer liquid crystal panel for a liquid crystal display device having stacked light transmitting substrates of different sizes is disclosed. A retainer is disposed at a position directly beneath a sealing member which seals a first substrate and a second substrate, between the second substrate and a third substrate. The retainer is applied to the substrates simultaneously with the application of the sealing member. The first, second and third substrates are stacked one on the other and pressed to form a multi-layer panel. By virtue of the retainer, the gaps between the respective substrates are maintained uniform over the display area.

Multi-layer liquid crystal panel with sealing members and retainers in

A method of manufacturing liquid crystal display element by a multi-element process is disclosed. Two substrates of plastic film provided with electrodes in individual element sections are put together such that the electrodes on these plastic films are in register with one another, liquid crystal is sealed in a space between the substrates which is defined in respect of the individual element sections by a seal member in the form of a closed configuration and the substrates are cut to obtain individual liquid crystal display elements separated from one another. One of the substrates is formed with cuts in the neighborhood of the outer wall of the seal members before putting together the substrates.

Method of manufacturing liquid crystal display element

A transparent electroconductive film formed on a glass substrate by a special wettability-improving treatment of the surface portion of a SiO.sub.2 film formed on the glass substrate, followed by coating with an indium complex solution, drying, irradiation with ultraviolet light and calcination, has low sheet resistance, good film properties and high quality.

Process for producing transparent electroconductive film

A pair of substrates each provided with an electrode film are adhered to each other at their peripheral portions through a sealing material to form an envelope. A liquid crystal material is injected into the envelope from a liquid crystal material injection port which is provided in a localized part of the sealing material. Then, the envelope is heated to a temperature higher than the normal room temperature, and a photosensitive curing adhesive is applied to the injection port while maintaining the envelope at the elevated temperature. After the application of the adhesive, the envelope is cooled to a temperature in the vicinity of the normal room temperature. Subsequently, the adhesive is hardened through irradiation of light at a temperature in the vicinity of the normal room temperature to hermetically seal the injection port, thereby finishing a liquid crystal display cell. Alternatively, the photo-sensitive curing adhesive may be applied at a temperature in the vicinity of the normal room temperature and then hardened at a temperature lower than normal room temperature.

Method of fabricating liquid crystal display cell

There is provided a compound for controlling dielectric constant of liquid crystal consisting of 4-p-Alkylbenzoyloxypyridine oxide represented by the general formula ##STR1## where R is a normal alkyl group having 1 to 9 carbon atoms.

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Mobara, Japan

Ken Sasaki