Casio Computer Co., Ltd.

Toppan Printing Co., Ltd.

Ortus Technology Co., Ltd.

Ortus Technololgy Co., Ltd.

Kunpei Kobayashi

Norihiro Arai

Toshiharu Nishino

Ryota Mizusako

Hiroki Sato

Mamoru Yoshida

Tetsushi Yoshida

Ichiro Mihara

Minoru Kumagai

Minoru Yamaguchi

Makoto Iwasaki

Tsuyoshi Suzuki

Hiromitsu Ishii

A liquid crystal display includes a pixel comprising first to fourth sub-pixels capable of respectively displaying red, green, blue, and white. Each of the sub-pixels comprises a reflective area and a transmissive area. The liquid crystal display includes a first laminated member provided on a first substrate and a second laminated member provided on a second substrate. The first laminated member comprises a first retardation plate and a first polarizer. The second laminated member comprises a second retardation plate, a diffusion member for diffusing light, and a second polarizer.

Liquid crystal display with red, green, blue, and white subpixels having reflective and transmissive areas

A liquid crystal display includes: a first substrate and a second substrate arranged to face each other; a liquid crystal layer provided between the first substrate and the second substrate and having a vertical alignment (VA) mode; a first electrode provided on the first substrate and extending in a first direction; a first pixel electrode and a second pixel electrode which are provided in one pixel region and above the first electrode, with an insulating layer interposed, and which are arrayed in the first direction; a first contact member which connects the first electrode and the first pixel electrode to each other; a second contact member which connects the first electrode and the second pixel electrode to each other; and a common electrode provided on the second substrate.

Liquid crystal display having a plurality of pixel electrodes in one pixel region

A liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate, containing P-type liquid crystal molecules, and configured to be perpendicularly aligned when no electric field is applied; a pixel including a reflecting region and a transmitting region, cell gaps of the reflecting region and the transmitting region being the same; one pixel electrode formed into a line on the first electrode; a first common electrode provided on the first substrate to sandwich the pixel electrode; a second common electrode provided on the second substrate; and a reflecting film provided in the reflecting region to overlap a portion of the pixel electrode, and comprising a conductive material.

Liquid crystal display device having transmitting region and reflecting region

A liquid crystal display device includes: first and second substrates disposed to be opposed to each other; a liquid crystal layer held between the first and second substrates, formed of a p-type liquid crystal material, and configured to take a vertical alignment in a state in which no electric field is applied; one or a plurality of linear pixel electrodes provided on the first substrate; a first common electrode provided on the first substrate, and formed in a manner to surround or sandwich the pixel electrode with a predetermined spacing; and a second common electrode provided on the second substrate, having substantially the same planar shape as the first common electrode, and formed such that at least a part of the second common electrode overlaps the first common electrode in planar projection.

Liquid crystal display device

A liquid crystal display includes: first and second substrates; a liquid crystal layer sandwiched between the first and second substrates and comprising a polymer network liquid crystal (PNLC) or a polymer dispersed liquid crystal (PDLC); a common electrode provided on the first substrate; transistors provided on the second substrate for respective pixels; a reflective film provided on the transistors; a color filter provided on the reflective film; and pixel electrodes provided on the color filter and electrically connected to drain electrodes of the respective transistors.

Liquid crystal display

A liquid crystal display apparatus includes a liquid crystal layer sealed between a first substrate and a second substrate opposed to each other. Inner surfaces of the first and second substrates have been subjected to aligning treatment to splay-align liquid crystal molecules. The liquid crystal display further includes electrodes formed on the inner surfaces of the first and second substrates to generate an alignment transition electric field to cause the liquid crystal molecules to transit from splay alignment to bend alignment. The alignment transition electric field includes a vertical electric field in the thickness direction of the liquid crystal layer, and a horizontal electric field in a direction parallel to the inner surfaces of the first and second substrates to twist the liquid crystal molecules between the substrates.

Bend alignment type liquid crystal display apparatus

An indicated position detecting apparatus includes a display module having a display screen, and a plurality of microphones to detect a contact sound to the display screen. The plurality of microphones are arranged at an outer peripheral portion of the display screen to be apart from each other. A time difference acquisition unit acquires arrival time differences of the contact sound between two microphones in each of two combinations of the plurality of microphones. A positional information acquisition unit derives two hyperbolas corresponding to the arrival time differences acquired by the time difference acquisition unit, each hyperbola having focal points at the two microphones in each of the two combinations of the plurality of microphones, and acquires an intersection of the two derived hyperbolas as information of a position where the contact sound is generated.

Indicated position detecting apparatus and indicated position detecting method

A liquid crystal display device comprises a pair of substrates subjected to an aligning treatment in mutually parallel but opposite directions, a liquid crystal layer interposed between the pair of substrates, a first electrode bent into a '&#x3c;' shape, and a second electrode formed via an insulating film with the first electrode. The first electrode comprises one linear section and another linear section that extend in directions that intersect the alignment treatment direction at different angles, a bent section that is provided at each end where the one linear section and the other linear section adjacent to each other and that extends in a direction that intersects the alignment treatment direction at an angle that is greater than each of the intersecting angles of the one linear section and the other linear section and the alignment treatment direction with respect to the alignment treatment directions.

In-plane switching type liquid crystal display device

A liquid crystal display device includes a liquid crystal layer which is arranged between first and second aligning films formed on inner sides of first and second substrates, has liquid crystal molecules twist-aligned in a direction from the first aligning film toward the second aligning film when an electric field is not applied between first and second electrodes, and generates retardation of substantially &#x3bb;/2 with respect to transmitted light. First and second polarizing plates are arranged on outer sides of the first and second substrates. A transmission axis or an absorption axis of the first polarizing plate is substantially matched with a direction along which the liquid crystal molecules in the vicinity of the first aligning film are aligned when a sufficiently intensive electric field is applied.

Liquid crystal display device with a pair of discotic viewing angle compensating films

Liquid crystal display device having two discotic liquid crystal compensating films and two retardation films

A liquid crystal display apparatus includes a liquid crystal display device, a surface light source to irradiate light toward the device, an optical film disposed between the device and source, and a diffusion member disposed between the film and device. The device includes a pair of substrates facing to each other through a space with electrodes formed on at least one of opposite surfaces, a liquid crystal layer sealed into the space between the substrates, and a pair of polarizing plates arranged sandwiching the substrates therebetween. The film is made of a transparent film-like member and has two mutually faced film surfaces, one of the surfaces is formed into a planar shape, the other surface is formed into a convexo-concave structure with elongate microprisms in parallel to each other, and the film is disposed between the device and source with the one surface directed toward the device.

Liquid crystal display apparatus

A liquid crystal display apparatus includes a liquid crystal display device, a surface light source to irradiate illumination light toward the display device, and an optical member to reflect linearly polarized light having a light-vibration plane parallel to its reflection axis and to transmit linearly polarized light having a light-vibration plane parallel to its transmission axis. The display device includes a pair of substrates facing each other through a gap, a liquid crystal layer sealed into the gap between the substrates, and a pair of polarizing plates sandwiching the substrates therebetween. The substrates include electrodes formed on one of their facing surfaces. The optical member is arranged between the display device and the light source so that the reflection axis faces a direction crossing an absorption axis of the polarizing plate arranged between the display device and the light source at an angle falling within the 15&#xb0; to 90&#xb0; range.

A liquid crystal display device includes a pair of substrates, electrodes formed on the opposing surfaces of the pair of substrates, and a liquid crystal layer twisted in the gap between the pair of substrates at a predetermined twisted angle. A normal polarizing plate to exhibit a polarizing function for the whole visible light is arranged on the outer surface of an observation side substrate in the pair of substrates. A color polarizing plate to exhibit a polarizing function for visible light of a wavelength band other than a specific wavelength band is arranged on the outer surface of the opposite side substrate in the pair of substrates. A reflecting plate to reflect light entering from the observation side toward the observation side is arranged on a surface of the color polarizing plate that is opposite to the surface that opposes the opposite side substrate.

Liquid crystal display device comprising color polarizing plate

A liquid crystal display device includes a first substrate having one surface on which a first electrode is provided, a second substrate which is provided with a second electrode, and a liquid crystal layer which is interposed between the first and second substrates. Negative dielectric anisotropy homeotropic aligning films are formed on mutually faced surfaces of the first and second electrodes, respectively. A pair of polarizing plates are arranged on a side of the other surface opposite to the one surface of each substrate. A pair of optical compensation layers are arranged respectively between the other surfaces of the substrates and the polarizing plates, and give a retardation having a value which is substantially &#xbc; of a wavelength &#x3bb; of transmitted visible light to the transmitted visible light.

Homeotropic alignment type liquid crystal display device

An LCD apparatus includes an LCD panel having a color filter for a plurality of color components and having a plurality of pixels each associated with one of the color components of the color filter, and a side lighting-type backlight unit disposed under the LCD panel. The backlight unit includes a light guide and a light source disposed at least at one lateral end of the light guide, and further includes a reflecting layer on a side opposite to a side facing the LCD panel to reflect light coming towards the reflecting layer from the light guide. The color filter is configured to compensate a change in color spectrum in the ambient light that has passed through the LCD panel and the light guide and that has been reflected by the reflecting layer back to the light guide and the LCD panel so that the color temperature of white display of the LCD panel by the ambient light remains substantially the same as the color temperature of the original ambient light.

Growing community of inventors

Tachikawa, Japan

Kunpei Kobayashi