| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 349023000 | Magnetic or pressure excitation | 8 |
| 20080204612 | Liquid crystal device - The present invention relates to a liquid crystal device driven by a linear coupling, such as ferroelectric and/or flexoelectric coupling, between an inhomogenous in-plane electric field generated by an electrode pattern over a first sub-volume of the bulk layer adjacent to said electrode pattern and liquid crystals in a polarized state comprised in said first sub-volume and/or in an optional alignment layer applied on said electrode pattern said polarization being stronger than any possible similar liquid crystal polarization of the bulk layer outside said first sub-volume, said alignment layer, and/or a second sub-volume of the bulk layer adjacent the inner surface of the other substrate, or an optional second alignment layer or an optional electrode pattern applied thereon. | 08-28-2008 |
| 20090002581 | TUNABLE TERAHERTZ WAVELENGTH SELECTOR DEVICE USING MAGNETICALLY CONTROLLED BIREFRINGENCE OF LIQUID CRYSTALS - The present invention provides a tunable terahertz (THz) wavelength selector device, which includes a fixed phase retarder, a tunable phase retarder and a pair of linear polarizers to form a unit. The fixed phase retarder and tunable phase retarder basically utilizes liquid crystals to provide phase retardation, moreover, utilizing birefringence phenomenon possessed by liquid crystals can provide adequate phase retardation. The fixed phase retarder utilizes horizontal orientation of liquid crystal cell to provide fixed phase retardation, while the tunable phase retarder however utilizes homeotropic liquid crystal cell and a rotatable magnet to provide a tunable phase retardation, wherein the tunable phase retarder can provide the positive or negative phase retardation relative to the fixed phase retarder, based on the direction of the magnet's rotating axes and totally use the entire tunable range into adjusting frequencies which can pass through. Besides, the present invention can also serially connect multiple units described above so as to achieve a narrow enough band-pass bandwidth. | 01-01-2009 |
| 20090237577 | ELECTRONIC DEVICE AND INPUT DEVICE THEREOF - An exemplary input device includes a key. The key includes a first conductive film, a second conductive film, a light source, a photoelectric transformer, and a liquid crystal layer. The second conductive film is configured for cooperating with the first conductive film to generate a first electric field having a first predetermined intensity when the key is pressed. The light source is configured for emitting light. The photoelectric transformer is configured for generating a first electric signal when receiving the light from the light source. The liquid crystal layer is configured for transmitting the light to the photoelectric transformer under influence of the first electric field. A related electronic device is also provided. | 09-24-2009 |
| 20100007807 | Optically hidden electromagnetic source for generation of spatially non uniform magnetic field and tunable devices made thereof - An electromagnetic source has an electrode structure coupled to a substrate. The electrode structure has interspaced electrodes, at least one of which is spiral-shaped. At least one electrical contact interconnects the electrodes of the electrode structure. The electrode structure is responsive to an applied electrical current to generate a spatially non-uniform magnetic field. This field can act on a LC layer such that optical properties of the layer are controllable. | 01-14-2010 |
| 20100123840 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device, having: a liquid crystal display medium that has a liquid crystal layer disposed between a pair of electrodes disposed facing with each other and that displays an image by reflecting or transmitting outside light according to the orientation of the liquid crystal layer; and an electrostatic actuator disposed at a side opposite to a display surface of the liquid crystal display medium, in which the liquid crystal display device displays an image by changing the orientation of the liquid crystal layer by application of a voltage to a specific area of the liquid crystal display medium through the pair of electrodes according to image data after the orientation of the liquid crystal layer is changed to the planar state by applying a stress to the liquid crystal display medium by the electrostatic actuator. | 05-20-2010 |
| 20100134706 | CHOLESTERIC LIQUID CRYSTAL DISPLAY DEVICES WITH ACTUATING THIN-FILM DRIVING ELEMENTS - Cholesteric liquid crystal display (Ch-LCD) devices with actuating thin-film driving elements are presented. The Ch-LCD device includes a first substrate and an opposing second substrate. An actuating thin-film structure is disposed on the first substrate. A cholesteric liquid crystal layer is filled between the first substrate and the second substrate. A common electrode is disposed on the second substrate. In operation, the actuating thin-film structure is deformed to drive phase transition of the cholesteric liquid crystal layer. | 06-03-2010 |
| 20110058114 | OBJECT-MOVING MECHANISM MAKING USE OF FLOW OF LIQUID CRYSTAL - An object-moving mechanism, which makes use of the flow of liquid crystal, is provided. A mechanism for causing a flow of liquid crystal comprising (i) a channel “L” defined by at least one wall surface “B,” (ii) liquid crystal “LC” which is put in the channel “L” and movable along said at least one wall surface “B”, and (iii) a means for turning the molecules “m” of the liquid crystal “LC” in a plane intersecting said at least one wall surface “B.” The mechanism makes use of the flow of the liquid crystal “LC” which is caused when the molecules “m” of the liquid crystal “LC” are turned. When the means for turning the molecules “m” of the liquid crystal “LC” turns the molecules “m” of the liquid crystal “LC” in a plane intersecting said at least one wall surface “B,” the liquid crystal “LC” flows along said at least one wall surface “B.” The flow of the liquid crystal “LC” can easily be utilized for making object-moving devices, sensors, actuators, etc. | 03-10-2011 |
| 20110273637 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device, in which a pretilt angle of liquid crystal molecules in a liquid crystal layer ( | 11-10-2011 |
