Matsushita Electric Industrial Co., Ltd.

Toshiba Matsushita Display Technology Co., Ltd.

Akifumi Ogiwara

Koji Akiyama

Hisahito Ogawa

Junko Asayama

Kazunori Komori

Yasunori Kuratomi

Yukio Tanaka

Hiroshi Tsutsui

Tsuyoshi Uemura

The present invention is directed to provide, for example, a lighting device and an image display, with which higher luminance and others can be achieved. In order to achieve this object, an image display of the present invention is formed in a lighting device () including a light source (), a light guiding plate () that is disposed in such a manner that the light from the light source () is allowed to enter it through an end face () thereof, and a reflecting surface () that is opposed to one major surface () of the light guiding plate (), wherein the one major surface () of the light guiding plate () has a constant scattering layer () formed thereon which is adapted to transmit the incident light to scatter it at a predetermined rate, and the constant scattering layer () has a distribution and scattering structure () formed there on which is adapted to transmit the incident light to scatter it at a percentage that varies according to the distance from the above-mentioned light source ().

Method for manufacturing lighting device, image display, liquid crystal monitor, liquid crystal television, liquid crystal information terminal, and light guide plate

The invention provides an image display apparatus () comprising a lighting system (); a LCD element (); and an actuating means for varying the transmittance of the LCD element () according to image signals, wherein the LCD element () is designed such that when the angle of view with respect to a specified direction of a screen varies provided that the entire LCD element () is in a white display mode, transmittance varies such that it has peak values at viewing angles other than viewing angles in the vicinity of 0 degree, and wherein the lighting system () is designed such that the intensities of light beams emitted in the directions of the viewing angles in the vicinity of 0 degree are higher than the intensities of light beams emitted in the directions of the viewing angles at which the transmittance has a peak value.

Illuminator, image display comprising the same, liquid crystal television, liquid crystal monitor, and liquid crystal information terminal

In a display device according to a first aspect of the invention, luminance is not made substantially uniform over the entire display screen but rather imparted a luminance gradient such that luminance substantially monotonously decreases from the center of the screen towards the peripheral portion using a luminance gradient forming means, whereby power consumption is reduced compared to cases in which the entire screen shows substantially uniform luminance. In a second aspect of the invention, by optimizing gray level characteristics and thereby improving a viewer's impression of brightness, luminance gradient is made even less perceivable without increasing power consumption. These configurations provide large screen, low power consumption display devices.

Image display device

A three-dimensional picture image pickup apparatus picks up a plurality of two-dimensional picture images of the objective naturally from different directions sequentially at a predetermined time interval regardless of a depth of the objective or the light source etc. The picture images are reproduced sequentially at the predetermined time interval by a picture image reproducing device and deflected into a plurality of directions by a picture image deflection device to display a three-dimensional picture images.

Three-dimensional picture image display apparatus

A driving method for a spatial light modulator can provide bright image, images of high contrast and resolution with no persistence and instability, and can be used in a projection display system. The spatial light modulator is prepared by sandwiching a ferroelectric liquid crystal layer between a first substrate and a second substrate. The first substrate is prepared by sequentially laminating a transparent conductive electrode and a photoconductive layer with rectifying properties on a glass substrate. On the photoconductive layer, a reflective layer and an alignment layer for aligning a liquid crystal layer are then laminated. The second substrate is prepared by laminating a transparent conductive electrode and an alignment layer on a glass substrate. Alternating current voltage having a waveform of inconsistent cycles is applied to a section between the transparent conductive electrodes.

Driving method for spatial light modulator and projection display system

A spatial light modulator including a pair of transparent insulating substrates each having a transparent conducting electrode, the substrates forming a top layer and a bottom layer, a photoconductive layer, a liquid crystal layer and a reflection layer being present between the top and bottom layers, wherein the photoconductive layer comprises a first amorphous semiconductor layer and a second amorphous semiconductor layer disposed in order on the bottom layer, and the first amorphous semiconductor layer and the second amorphous semiconductor layer have different refractive indices from each other.

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Kida-gun, Japan

Akifumi Ogiwara