Kabushiki Kaisha Toshiba

Hitoshi Hato

Akio Murayama

Shoichi Matsumoto

Shinichi Kamagami

Tomiaki Yamamoto

Atsuyuki Manabe

Susumu Kondo

Tetsuya Iizuka

Nobuko Fukuoka

Daisuke Miyazaki

Takeshi Yamamoto

Kazuyuki Sunohara

Susmu Kondo

A liquid crystal display device includes a pair of substrates, a liquid crystal material sandwiched between the pair of substrates, a shield area disposed on the outer periphery of a display area, and an outer edge sealing member disposed on the further outer periphery than the shield area and formed except for the liquid crystal inlet. Particularly, in this liquid crystal display device, a shield pattern comprising a resin of a predetermined thickness and a color filter thinner than the predetermined thickness coexist with each other on a plane in the shield area in the vicinity of the inlet.

Liquid crystal display device wherein liquid crystal inlet shielded by means of shield pattern and second outer periphery wiring

A flat panel display device comprises a pair of substrates facing each other, a spacer, made of photosensitive material, for providing a gap between the pair of substrates, and a display medium arranged in the gap. At least one of the pair of substrates has a lightproof region including a linear portion. The spacer is arranged in the linear portion of the lightproof region. The spacer has a shape a longitudinal axis of which extends along the linear portion and which has a recessed portion narrower than the linear portion.

Flat panel display device and method for manufacturing the same

Liquid crystal display device including shield pattern and color filter coexist together in the vicinity of the inlet

This invention discloses a liquid crystal display device including a liquid crystal cell having two substrates, arranged substantially parallel to each other, and having electrodes on their opposing surfaces, and a liquid crystal composition held between the substrates, first and second polarizers arranged at both sides of the liquid crystal cell, a first optical delay plate arranged between the liquid crystal cell and the second polarizer, and a second optical delay plate arranged between the first optical delay plate and the second polarizer, wherein liquid crystal molecules of the liquid crystal composition are arranged in twisted mode from a second polarizer side to a first polarizer side, the first and second optical delay plates are arranged such that optical axes thereof cross to form an acute angle, and a twist direction of the liquid crystal molecules in the state of twisted mode is the same as a direction from the optical axis of the second optical delay plate toward the first optical delay plate shifted by the acute angle. A display performed by the liquid crystal display device of this invention is a high-contrast, bright, and achromatic b/w display. The liquid crystal display device of this invention has a wide viewing angle. The liquid crystal display device of this invention is inexpensive.

Liquid crystal display device having optical delay plates

A liquid crystal display device has a liquid crystal cell including first and second substrates spatially arranged to oppose each other, first and second electrodes formed on opposing surfaces of the first and second substrates, respectively, and a liquid crystal composition filled between the first and second substrates and arranged in a twisted mode. First and second polarizers are arranged on both sides of the liquid crystal cell. An optical retardation film is arranged between the first substrate and the first polarizer. The optical retardation film has a retardation value falling within a range of RO.times.0.55 to RO.times.0.80 where RO is a retardation of the liquid crystal cell. An optical axis of the optical retardation film is angled 100.degree. to 130.degree. with respect to the alignment direction of the liquid crystal molecules on the first substrate.

Liquid crystal display device

The present invention discloses a liquid crystal display device including a liquid crystal cell, the liquid crystal cell including two substrates which are arranged substantially parallel to each other and have electrodes on opposing surfaces thereof, and a liquid crystal composition held between the substrates such that the liquid crystal molecules are arranged in a twisted mode, first and second polarizers arranged at both sides of the liquid crystal cell, and first and second optical delay plates arranged between the liquid crystal cell and the second polarizer, wherein assuming that a retardation value of the liquid crystal cell is given by:

A liquid crystal cell includes first and second substrates arranged to oppose each other, first and second electrodes formed on opposing surfaces of the first and second substrates, respectively, and a liquid crystal composition filled between the first and second substrates and arranged in a twisted mode. First and second polarizers are arranged on both sides of the liquid crystal cell. A first optical retardation film is arranged between the first substrate and the first polarizer, and a second optical retardation film is arranged between said second substrate and said second polarizer. The liquid crystal cell has a retardation value R0 of 0.4 to 0.85 .mu.m, defined by an equation:

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Yokohama, Japan

Hitoshi Hato