Abstract:
An optical modulator is provided. The optical modulator includes a ridge- shaped active region comprising a plurality of alternating high and low index layers. The ridge-shaped active region is used to confine a selective optical mode for optical modulation. A plurality of oxidized layers positioned so as to confine the selective optical mode in the middle region of the ridge-shaped active region. The oxidized layers enable the optical modulator to withstand high operating voltages both in reverse and forward bias without concern of breakdown or carrier loss.
Abstract:
A switchable film assembly having remote electrical connections is disclosed. The switchable film comprises an active layerbetween first and second electrically conductive layers. The active layer has anoptical transmission which changes upon projecting an electric field therethrough. Electrical connection means to connect the film to a power supply are also provided. At leastone of the electrical connection means comprises a remote electrical connector region provided remote to the first and second electrically conductive layers, such upon connecting the film assembly to the power supply, an electrical field may be projected through at least a portion of the switchable film assembly thereby changing the optical transmission of the active layer.
Abstract:
In one aspect of the invention, a method for pressurized annealing of lithium niobate or lithium tantalate structures, such as optical modulators and optical wave guides, comprises pressurizing an oxygen atmosphere containing a lithium niobate or lithium tantalate structure above normal atmospheric pressure, heating the structure to a temperature ranging from about 150 degrees Celsius to about 1000 degrees Celsius, maintaining pressure and temperature to effect ion exchange or to relieve stress, and cooling the structure to an ambient temperature at an appropriate ramp down rate. In another aspect of the invention a lithium niobate structure such as an optical waveguide or an optical modulator comprises an optically transparent portion that is substantially void of free protons.
Abstract:
The present invention controls the reduction of detection sensitivity in a display device including a touch sensor and realizes the weight reduction of the device. A display unit including a display element, a color filter, and a touch sensor is inserted between the circuit boards. Parasitic capacitance between the wire and the electrode for composing the touch sensor and the display unit is reduced by providing a mitigation layer having the lower relative dielectric constant than a circuit board, in which a touch sensor is provided between the touch sensor and the display unit.
Abstract:
A display device according to an embodiment of the present invention includes a substrate; a light emitting device layer which is formed on the substrate and includes a light emitting device; a sealing thin film layer which is formed on the substrate and the light emitting device and seals the light emitting device; a buffer film which is formed on the sealing thin film layer and is bonded to the sealing thin film layer; and an optical film which is formed on the buffer film and is bonded to the buffer film. [Reference numerals] (AA) Washing
Abstract:
An LCD module is provided to buffer and absorb the shear stress due to adhesive force of an adhesive and the retraction of a polarization element, thereby enhancing the function of a compensation film attached to an LCD panel, by disposing an isotropic medium layer between an LCD panel and the adhesive. An LCD module has an upper polarization plate(142) and a lower polarization plate(140) attached to an LCD panel by an adhesive. Each of the upper and lower polarization plates is composed of a polarization element(142d), upper and lower protective layers(142c,142e) disposed above and below the polarization element, a compensation film(142b) disposed between the lower protective layer and the LCD panel, and an isotropic medium layer(143) disposed between the compensation film and the adhesive. The polarization element is extended in a predetermined direction for polarization. The upper and lower protective layers support and protect the polarization element.