Two electric fields that are directed to respective directions rectangular relative to each other are selectively applied to polymer dispersed liquid crystal by means of electrodes arranged to sandwich the polymer dispersed liquid crystal and electrodes arranged along a substrate to uniformly orient the liquid crystal in either of the directions. While conventional polymer dispersed liquid crystal is adapted to utilize scatter of light in a randomly oriented state, the polymer dispersed liquid crystal of this invention is adapted to utilize a uniformly oriented state to improve the efficiency of scattering light. The present invention is also applicable to devices where polymer dispersed liquid crystal has a memory property.

Liquid crystal device

Disclosed herein is a process for producing a color filter, which comprises the steps of forming a black matrix pattern with a resin on a transparent base, conducting a surface-state-modifying treatment to increase surface energy of the surface of the base at areas corresponding to spaces of the black matrix pattern, and applying inks to the portions of the base corresponding to the spaces of the black matrix pattern.

Production processes of color filter and liquid crystal display device

An improved electronic display that includes components selected to enhance display performance. The improved display includes an active substrate that has a plurality of thin film transistors and a plurality of thermally transferred color filters that include a colorant in a crosslinked binder. The active substrate can also include a black matrix. Other components in the improved display such as a liquid crystal material, spacers, and bottom polarizer, can be selected to enhance display performance characteristics such as brightness, power consumption, response time, weight, and thickness. The invention also provides a method of forming a color filter substrate for displays including the steps of thermally mass transferring a plurality of color filters and crosslinking the plurality of color filters after transfer. Before the crosslinking step, the plurality of color filters can be inspected and removed for reworking of the substrate.

Process for making active substrates for color displays

The present invention relates to holographic multicolor optical elements for use as multicolor filters in liquid crystal displays and methods of making the elements. The elements can be used as multicolor reflective or transmission filters. The elements can have one, two, three or more holographic recording film layers. Each layer comprises at least first and second pixel volumes containing holographic mirrors and preferably third pixel volumes containing holographic mirrors.

Holographic multicolor optical elements for use in liquid crystal displays and methods of making the elements

The present invention relates to color tuned holographic multicolor optical elements for use as multicolor transmission filters in liquid crystal displays and methods of making the elements. The element comprises at least first and second pixel volumes containing holographic mirrors and preferably third pixel volumes containing holographic mirrors. Each set of pixel volumes passes a different color wavelength band and reflects other color wavelength bands.

Color tuned holographic optical elements and methods of making and using the elements

An electrode plate structure for a liquid crystal color display is produced by forming a color filter layer of a photosensitive polyamide resin containing a colorant dispersed therein; disposing a protective layer of a photosensitive polyamide resin on the color filter layer; forming an ITO (indium-tin-oxide) film on the protective layer, preferably at an elevated temperature of at most 270° C.; post-annealing the ITO film at a temperature of 200°-300° C. for improving the crystallinity of the ITO film suitable for etching; and selectively etching the ITO film patternwise with an etchant of hydroiodic acid or a hydroiodic acid-ferric chloride aqueous solution mixture to leave an ITO electrode pattern.

Process for producing electrode plate structure for liquid crystal color display device

Disclosed herein is a process for producing a color filter, which comprises the steps of: 
   providing a glass base equipped with black matrices; 
   etching the glass base using the black matrices as a mask to form pixel holes in the base; and then 
   applying inks into the pixel holes to form colored pixels of different colors.

Production process of color filter, color filter obtained thereby and liquid crystal display panel using the color filter

A large-sized liquid crystal panel uniformly filled with a liquid crystal material may be produced through a process including the steps of: fixing a pair of substrates with a sealing member disposed therebetween to form a blank panel having an injection port, reducing a pressure within the panel, applying a liquid crystal material onto the injection port, heating the liquid crystal material to its isotropic temperature, injecting the liquid crystal material into the panel under a pressure, and filling the panel with the liquid crystal material under heating and pressurization from the injection port toward the panel inside. The pressure within the panel before the injection is reduced at a rate not exceeding 25 torr/min. The pressure for injection is increased at varying rates, e.g., with an intermediate constant pressure period. In the filling step, a portion of the liquid crystal material near the injection port is held in its isotropic phase and the liquid crystal material except for the portion is transformed at least once into a smectic phase.

Process for producing liquid crystal panel

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Process for producing electrode plate structure for liquid crystal color display device

Production process of color filter, color filter obtained thereby and liquid crystal display panel using the color filter

Process for producing liquid crystal panel