Sony Corporation

Akiko Toriyama

Hisashi Kadota

Tsuyoshi Okazaki

Yasuhiro Shirasaka

Mieko Suzuki

Makoto Hashimoto

Koichi Nagasawa

Hirohide Fukumoto

Hiromi Fukumori

Hajime Tsuchiya

Kohichi Ohmura

Jun Takahama

Hidenobu Kuroi

Keisuke Matsui

Yoshitaka Yagi

A projection liquid crystal display device including a first optical system that splits a light beam outputted from a light source into a red light beam, a green light beam, and a blue light beam, a red liquid crystal panel, a green liquid crystal panel, and a blue liquid crystal panel that modulate the red light beam, the green light beam, and the blue light beam, respectively, a second optical system that combines the modulated red light beam, the modulated green light beam, and the modulated blue light beam into one optical path, and a projection lens system that projects a light beam outputted from the second optical system on a projection surface, in which a configuration of a liquid crystal layer of the red liquid crystal panel is different from respective configurations of liquid crystal layers of the green liquid crystal panel and the blue liquid crystal panel.

Projection liquid crystal display device and electronic apparatus

An optical compensation element includes a first member that includes a first transparent substrate, a first alignment film, and a first phase difference layer and a second member that includes a second transparent substrate, a second alignment film, and a second phase difference layer. In the optical compensation element, a first inorganic barrier layer is formed on a surface of the first phase difference layer, where the surface faces the second member a second inorganic barrier layer is formed on a surface of the second phase difference layer, where the surface faces the second member and the first inorganic barrier layer and the second inorganic barrier layer are bonded by an adhesive layer.

Optical compensation element, liquid crystal light valve assembly, and liquid crystal projector apparatus

Disclosed herein is a liquid crystal display element in which a liquid crystal layer is interposed between a pair of substrates laminated to each other by a sealing material such that alignment films are opposed to each other with a predetermined gap between the alignment films, wherein a range of dielectric anisotropy &#x394;&#x3b5; of a material for the liquid crystal layer at a measured temperature of 70&#xb0; C. is &#x2212;4.5 to less than zero.

Liquid crystal display element and projection type liquid crystal display device

A liquid crystal display device and a projection type liquid crystal display apparatus are provided. The liquid crystal display device includes two substrates opposed each other, a liquid crystal layer arranged between the two substrates, a plurality of pixel electrodes arranged on the opposed surfaces of the substrates to form pixels in a matrix form, and alignment films formed on the two substrates to align liquid crystal of the liquid crystal layer in a predetermined direction. The pixels arranged in the matrix form have different spacings between the pixels.

Liquid crystal display device and projection type liquid crystal display apparatus

A light-shielding plate and a first light-shielding layer are arranged between a polarizing plate and a liquid crystal layer in a peripheral region of a liquid crystal panel so that linearly polarized light transmitted through the polarizing plate, which is a reflection polarizing plate, is not incident on the liquid crystal layer, but is reflected to the polarizing plate in the peripheral region.

Liquid crystal display apparatus and liquid crystal panel

A liquid crystal display device having a high quality able to prevent deterioration etc. of a liquid crystal panel even when a liquid crystal panel used in a light valve of a projector etc. is operated under a high temperature and high humidity environment and a projection type display apparatus using the liquid crystal display device, wherein a liquid crystal layeris sandwiched between a pair of substrates formed by bonding a TFT array substrateand a counter substrateby a sealing materialso that they face each other across a predetermined gap, the sealing materialcontains a nonconductive filler having a mean particle size of less than 0.5 &#x3bc;m, a liquid crystal material used in the liquid crystal layeris set in its refractive index anisotropy an at room temperature to 0.16 or more, and a cell gap d of an interval between the TFT array substrateand the counter substrateis set at 3 &#x3bc;m or less.

Liquid crystal display device and projection type display apparatus

An active matrix drive type liquid crystal display element capable of preventing deterioration of display capability caused by a stripe domain, and a projection type display device using the liquid crystal display element, by which there is provided a projection type display device comprising a light source; a light convergence optical system for guiding a light emitted from said light source to a liquid crystal display element; and a projection optical system for enlarging and projecting a light subjected to light modulation by said liquid crystal display element; wherein the liquid crystal display element is configured by holding a liquid crystal layer between a pair of substrates arranged to face to each other, and a twisted nematic type liquid crystal material used in the liquid crystal layer satisfies dielectric constant anisotropy &#x394;&#x3b5; of 0&#x3c;&#x394;&#x3b5;&#x3c;8 and twist elasticity modulus Kof K&#x3e;6.0 pN when the refractive index anisotropy &#x394;n is 0.16&#x2266;&#x394;n&#x2266;0.18 and satisfies dielectric constant anisotropy &#x394;&#x3b5; of 0&#x3c;&#x394;&#x3b5;&#x3c;13 and twist elasticity modulus Kof K&#x3e;3.0 pN when the refractive index anisotropy &#x394;n is 0.18&#x2266;&#x394;n&#x2266;0.20.

Liquid crystal display element and projection display device

An active matrix drive type liquid crystal display element capable of preventing deterioration of display capability caused by a stripe domain, and a projection type display device using the liquid crystal display element, by which there is provided a projection type display device comprising a light source; a light convergence optical system for guiding a light emitted from said light source to a liquid crystal display element; and a projection optical system for enlarging and projecting a light subjected to light modulation by said liquid crystal display element; wherein the liquid crystal display element is configured by holding a liquid crystal layer between a pair of substrates arranged to face to each other, and a twisted nematic type liquid crystal material used in the liquid crystal layer satisfies dielectric constant anisotropy &#x394;&#x2208; of 0&#x3c;&#x394;&#x2208;&#x3c;8 and twist elasticity modulus Kof K&#x3e;6.0 pN when the refractive index anisotropy &#x394;n is 0.16&#x2266;&#x394;n&#x2266;0.18 and satisfies dielectric constant anisotropy &#x394;&#x2208; of 0&#x3c;&#x394;&#x2208;&#x3c;13 and twist elasticity modulus Kof K&#x3e;3.0 pN when the refractive index anisotropy &#x394;n is 0.18&#x2266;&#x394;n&#x2266;0.20.

Twisted nematic liquid crystal material with certain values for dielectric constant anisotropy, twisted elasticity modulus and refractive index anisotropy

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Kanagawa, Japan

Akiko Toriyama