Abstract: Prior art solutions to liquid crystal birefringence (which causes the emergent light to become elliptically polarized) have involved use of a single birefringent layer (macrocompensator) to compensate for this. This approach is only partly successful. The present invention improves the color balance still further by providing a separate set of microcompensators. The color filters are located on one of the two substrates' inner surfaces, with the appropriate microcompensators being located, in one to one correspondence, on the other out surface. By this means, a near perfect match between the color distortion introduced by the liquid crystal layer and the phase compensation needed to correct this can be made.

Abstract: One polarizer reflective-type color liquid crystal display has been developed. Reflective-type liquid crystal display have found increasingly important for both direct-view and projection displays. Attractive features such as high contrast ratio, mirror reflection reduced, and clear image of no parallax are demonstrated. This design uses single polarizer to enhanced the brightness and an inner metallic reflector to avoid parallax.

Abstract: Prior art solutions to liquid crystal birefringence (which causes the emergent light to become elliptically polarized) have involved use of a single birefringent layer (macro-compensator) to compensate for this. This approach is only partly successful. The present invention improves the color balance still further by providing a separate set of microcompensators for each primary color of the display. The microcompensators are first formed on one of the two substrates' inner surfaces, with the appropriate color filter being then formed directly over each one. By this means, an exact match between the color distortion introduced by the liquid crystal layer and the phase compensation needed to correct this can be made for each primary color separately.

Abstract: A method for manufacturing a liquid crystal display having both wide angle viewing and fast response is described. A key feature of the method is the addition to the liquid crystal of a small amount of a monomer, selected from among the diacrylates or the monoacrylates, as well as a chiral dopant. Once the display has been assembled, the usual turn-on voltage (about 5 volts) is applied. After allowing the orientations of the directors to stabilize, the liquid crystal is irradiated with ultraviolet light for a few seconds. This causes the dissolved monomer to polymerize in place. The UV irradiation and applied voltage are then terminated. Defects that slow down the director stabilization are now prevented from re-forming so that the next time voltage is applied, the system responds in a few milliseconds. Adding a photoinitiator, in addition to the monomer, is an option.

Abstract: A liquid crystal display device comprises extended polymer networks formed in the liquid crystal cells. By adding a monomer and a photo-initiator into the liquid crystal material of a liquid crystal display, applying a bias voltage and exposing the display under a UV light, a polymer network can be formed. The polymer network modifies the electro-optical characteristic of a liquid crystal display device. With different bias voltages, polymer networks of different structures can be formed so that the color difference of the liquid crystal display with respect to red, green and blue light can be minimized. Liquid crystal display devices of fast switching response and low color dispersion can be fabricated.

Abstract: The present invention discloses a flat fluorescent color lamp for liquid crystal display panel illumination which utilizes a lamp body constructed of at least three serpentine-shaped channels wherein each of the at least three channels exhibits a primary color of red, green or blue by filling the channels with a suitable fluorescent powder and energizing the gas contained in the channels by an electrical discharge and thus generating the desirable colored lights. The present invention flat fluorescent color lamp combines the functions of a backlight and color filters into a single device that can be advantageously manufactured.

Abstract: A closed-cavity liquid-crystal display is provided, which is a liquid-crystal display having a wide angle of view. The liquid-crystal display comprises: an insulator layer formed with a plurality of cavities extending completely through the insulating layer, in which liquid-crystal material is filled into the plurality of cavities; a first substrate, placed on one side of the insulator layer, in which a first electrode is formed on one side of the first substrate near the insulator layer; and a second substrate, placed on the other side of the insulator layer, in which a second electrode is formed on one side of the second substrate near the insulator layer, so that the first electrode and the second electrode are used to drive and vary the alignment of liquid-crystal molecules in the plurality of cavities.

Abstract: Color distortion in Liquid Crystal Displays arises because, in addition to rotating the plane of polarization, liquid crystals are birefringent. This causes the emergent light to become elliptically polarized, the extent varying with wavelength, thereby upsetting the color balance. Prior art solutions to this involve use of a single birefringent layer to compensate for this. This approach is only partly successful. The present invention improves the color balance still further by providing a separate set of microcompensators for each primary color that comprises the display. By this means, an exact match between the color distortion introduced by the liquid crystal layer and the phase compensation needed to correct this can be made for each primary color separately. Several different arrangements of the micro color filters of the display and their corresponding microcompensators are shown and a cost effective method for manufacturing these structures is described.

Abstract: A projection-type display device using twisted nematic liquid crystal light valves having multi-twist and/or multi-polarization angles. The photoelectric transfer characteristics of three light valves are optimized for reflecting red, green and blue light with high efficiency and similar reflectivity by selecting proper twisted angle and polarization angle for each corresponding liquid crystal light valve. The twisted angle or polarization biasing angle of each light valve may be different.

Abstract: A non-specular reflecting surface for use in a Liquid Crystal Display is obtained by randomly embedding particles in a layer of a resin solution and then baking to hardness. The particles' sizes are approximately the same as the layer's thickness, so a randomly uneven surface is the result. The particles are most commonly, but not necessarily, commercially available plastic microspheres. If a photosensitive resin is selected, it may be shaped into a desired pattern without the need for a separate photoresist and etch step. When a high reflectance metal is deposited onto the resin surface it becomes an effective non-specular reflector.

Abstract: An apparatus for imaging a fingerprint or a topographic relief pattern (i.e.