Nanox Corporation

Other

Manabu Takami

Masaharu Okafuji

Yoshiro Sato

Ayumi Sasaki

Koji Nimura

Tomio Wada

Masaki Kitaoka

A display driver is provided which is suitable for driving dynamically a cholesteric liquid crystal display panel of a passive matrix drive type. The driver comprises a shift register for shifting a row data or column data inputted to the driver, a data latch circuit for latching the row data or column data from the shift register, and a drive voltage select/output circuit for selecting at least one of a plurality of voltage supplies and outputting a row drive voltage or column drive voltage to form an alternated drive voltage which activates picture elements of the liquid crystal panel.

Cholesteric liquid crystal display device and display driver

A wavelength selecting module includes a first collimator for collimating diverging light to generate a collimated light beam and a liquid crystal cell having a predetermined helical direction. The liquid crystal cell separates a light signal having a specific wavelength among a plurality of light signals of the collimated light beam into a left circularly polarized light and a right circularly polarized light, reflects one of the left and right circularly polarized light signals that has a same optical rotatory direction as the predetermined helical direction toward the first collimator in a first state. The liquid crystal cell passes the plurality of light signals of the collimated light beam in a second state. The liquid crystal cell changes between the first state and the second state in accordance with a change in a voltage applied thereto, thereby switching between selection and non-selection of light having the specific wavelength.

Wavelength selecting module and wavelength selecting apparatus

The present invention provides an inexpensive stacked type reflection liquid crystal display, which can be obtained by stacking two liquid crystal display panels, and a method for producing the same, wherein a two-layered type reflection liquid crystal display is produced, having a blue display panel and a yellow display panel stacked therein, which is provided with segment electrodes and &prime;, common electrodes and &prime;, and glass substrates &prime; and &prime; in a state where two liquid crystal layers and &prime;, the selected and reflection wavelengths of which are mutually different from each other, are placed therebetween. The fluctuation characteristics of the reflectivity with respect to drive voltages of two liquid crystal layers and &prime; are adjusted so that these characteristics are made coincident with each other. Segment electrodes and &prime; of the display panels and are made electrical connecting to each other by using an FPC having flexibility while the common electrodes and &prime; are made electrical connecting by an FPC. Voltage drive circuits each consisting of a single system is provided, which supply a voltage to respective electrodes and &prime; via the FPCs and

Stacked type reflection liquid crystal display and method for producing the same

The invention provides a liquid crystal display having high reliability, which is excellent in terms of optical characteristics, heat resistance, and shock resistance, wherein a liquid crystal display consisting of a cholesteric liquid crystal, a chiral nematic liquid crystal or a liquid crystal 1 layer, being a combination thereof, which is roughly pillar-like and polygonal in section or has a roughly pillar-like form enclosed by a closed curve, and divided by said polymer network into areas whose minimum diameter measured by vernier calipers is 5 &mgr;m and whose maximum diameter measured by vernier calipers is 100 &mgr;m, is obtained by polymer networks formed by polymerization of monomer, so that sufficient reflection can be obtained from the liquid crystal without being optical scattering. Although the perpendicular array of the helical axes of liquid crystal is slightly disordered by a polymer network with respect to the plane of a pair of ITO , and substrates , , wherein since almost all light entering from the substrata side is reflected backwards (substrate side) by Bragg's reflection, it is possible to decrease the visual angle dependency in comparison with a prior art liquid crystal display not containing any polymer constituents, and networks which have been greatly established form intensive pillars (macromolcular resin walls), thereby improving the shock resistance properties.

Growing community of inventors

Fukushima, Japan

Manabu Takami