Abstract: A light-shielding photosensitive resin composition comprising (1) an alkali-soluble binder, (2) a photo-polymerization initiator, (3) an addition-polymerizing monomer having one or more ethylenic, unsaturated double bonds, and (4) one or more colorants, wherein said photo-polymerization initiator is substantially insensitive to light having a wavelength of 400 nm or longer. The composition is preferably coated on a temporary support to form a transfer material. Using the composition or the transfer material, a flat, light-shielding film having a high optical density may be formed on a color filter by self-alignment exposure without using an optical filter.

Abstract: A photosensitive transfer material comprising a temporary support and a colored photopolymer layer formed on the temporary support. The colored photopolymer layer contains at least one quinophthalone dye. Also, disclosed is a method of forming an image using the photosensitive transfer material, to thereby form a multicolor image having good chromaticity even when organic solvent-soluble dyes are used and, in addition, having excellent transmission and light- and heat resistance. A color filter exhibiting high contrast as a liquid crystal display can also be produced using the photosensitive transfer material.

Abstract: A method for forming a light shielding pattern on a substrate having a picture element pattern on its front including picture elements which have a single color or plural colors and do not contact each other includes.

Abstract: An alkali-developable photopolymerizable composition is comprises (1) a photopolymerization initiator or a photopolymerization initiator system, (2) an addition polymerizable monomer having an ethylenically unsaturated double bond, and (3) a resin obtained by reacting a copolymer comprising at least a repeating unit represented by formula (I): ##STR1## wherein Ar.sup.1 is described in the body of the specification; and x represents a molar content of the repeating unit in the copolymer, ranging from 0.85 to 0.55, and a repeating unit represented by formula (II): ##STR2## wherein y represents a molar content of the repeating unit in the copolymer, ranging from 0.15 to 0.45, with a primary amine represented by formula (III):Ar.sup.2 --R--NH.sub.2 (III)wherein R represents a straight-chain or branched alkylene group having from 1 to 6 carbon atoms; and Ar.sup.2 is described in the body of the specification at a ratio of from 0.1 to 1.

Abstract: A light-shielding light-sensitive resin composition containing at least (1) an alkali soluble binder, (2) a photopolymerization initiator, (3) an addition-polymerizable monomer having an ethylenically unsaturated double bond, and (4) at least two coloring agents, wherein the light-shielding light-sensitive resin composition is characterized in that said resin composition is equivalent or close to a black color in terms of hue and, when formed into a light-shielding light-sensitive resin layer having a layer thickness of 1 to 3 micrometers, has a transmittability in a visible ray region of 2 or less and a ratio of the transmittability in the visible region to the transmittability in the UV region of 1:1 to 20:1.

Abstract: A photopolymerizable composition for forming protective layers of color filters, which comprises:(1) a photopolymerization initiator or a photopolymerization initiator system,(2) an addition-polymerizable monomer having an ethylenically unsaturated double bond, and(3) a resin produced by reaction of an anhydride-containing copolymer having a number average molecular weight of 500 to 30,000 which contains repeating units represented by at least formulas (I), (II) and (III), respectively, with a primary amine represented by formula (IV) with the ratio of the primary amine to the copolymer being 0.1 to 1.0 equivalent per equivalent of the anhydride in the copolymer: ##STR1## wherein the variables in formulas (I), (II), (III) and (IV) are defined in the specification.

Abstract: A liquid crystal display device which comprises an orientation film and at least one charge transporting material doped in the orientation film. The charge transporting material having an amount being sufficient to cause a leakage of an electric charge temporarily accumulated in the orientation film or a portion adjacent thereto, during an operation of the device, to thereby inhibit a formation of an electric bilayer in the device. Since the formation of an electric bilayer is inhibited, generation of crosstalk and reduction of display characteristics such as memory properties of the LC display device are effectively prevented.

Abstract: A photosensitive transfer material comprises a temporary substrate having provided thereon an alkali-soluble thermoplastic resin layer, an intermediate layer, and a photosensitive resin layer in this order, the interlaminar adhesion in the transfer material being the smallest at the interface between the thermoplastic resin layer and the temporary substrate. The photosensitive resin layer can be transferred to a permanent substrate without involving failure due to fine dust, air bubbles or unevenness of the permanent substrate. An image can be formed with the transfer material by adhering the transfer material to a permanent substrate at least under heat and, after stripping the temporary substrate, imagewise exposing the photosensitive resin layer to light, and processing the transferred layers to develop the photosensitive resin layer.

Abstract: A photosensitive transfer material comprises a temporary substrate having provided thereon an alkali-soluble thermoplastic resin layer, an intermediate layer, and a photosensitive resin layer in this order, the interlaminar adhesion in the transfer material being the smallest at the interface between the thermoplastic resin layer and the temporary substrate. The photosensitive resin layer can be transferred to a permanent substrate without involving failure due to fine dust, air bubbles or unevenness of the permanent substrate. An image can be formed with the transfer material by adhering the transfer material to a permanent substrate at least under heat and, after stripping the temporary substrate, imagewise exposing the photosensitive resin layer to light, and processing the transferred layers to develop the photosensitive resin layer.

Abstract: A photopolymerizable composition developable with an alkali aqueous solution which comprises a carboxyl group-containing high polymer binder, a photopolymerizable monomer, a photopolymerization initiator system and a compound of a specific structure is disclosed. The photopolymerizable composition shows a good keeping stability in a state of lamination on a metal board and thus is highly useful in the production of, for example, dry films for print basic boards, photoresists, photomasks, lithograph boards and resin relief boards.

Abstract: The photopolymerizable resin material of the present invention includes (1) a support, (2) a water soluble intermediate layer of 0.1 to 50 .mu.m in thickness superposed on the support and (3) a photopolymerizable resin layer superposed on the intermediate layer which contains at least one carboxyl group-containing binder in an amount of from 40 to 90% by weight based on the solid content in the photopolymerizable resin layer, wherein the intermediate layer includes a cellulose derivative which has a polymerization degree of from 20 to 1,000 and is selected from the group consisting of an aqueous alkali solution soluble hydroxyalkyl cellulose, carboxyalkyl cellulose and cellulose ether. The present invention is also directed to a process for preparing a printed circuit which includes laminating the photopolymerizable material on a board, peeling off the support and then effecting pattern exposure and development.

Abstract: A layer transfer material which comprises a temporary support, a light-sensitive resin layer and a separation layer interposed between the temporary support and the light-sensitive resin layer, wherein the separation layer has a low oxygen permeability and a softening point of 80.degree. C. or below and is easily separable from the temporary support and a method of its use.

Abstract: A light sensitive transfer material comprises a peel-off support, an alkali-soluble thermoplastic resin layer, a water- or aqueous alkali-soluble or -dispersible interlayer having a low oxygen permeability, and a light sensitive resin layer arranged in this order, wherein the adhesion between the peel-off support and the thermoplastic resin layer is the smallest. A process for forming an image using the transfer material is also disclosed.

Abstract: A photosensitive transfer material is described, comprising a temporary support having formed thereon in sequence a thermoplastic resin layer, a separating layer having only slight permeability to oxygen, and a photosensitive resin layer, wherein the adhesion between the thermoplastic resin layer and the separating layer is weakest. The photosensitive transfer material is useful, for example, for an image-forming process.

Abstract: A liquid crystal display element comprising a liquid crystal composition having an optically active compound as at least one constituent and showing a cholesteric phase in a bulk state, wherein the liquid crystal composition is arranged between substrates, at least one of which is provided with a transparent electrode, so that long axes of individual liquid crystal molecules are in parallel to one another and are oriented in the same direction as the surfaces of the substrates, and the long axes of the molecules are uniformly aligned in parallel, vertically or inclined to the surfaces of the substrates, wherein the gap d (.mu.m) between the substrates and the size p (.mu.m) of the helical pitch shown by the cholesteric phase liquid crystal at room temperature when an electric field is not applied satisfy the following relationships:d/p.gtoreq. 1.

Abstract: A liquid crystal display element comprising a liquid crystal composition having an optically active compound as at least one constituent and showing a cholesteric phase in a bulk state, wherein the liquid crystal composition is arranged between substrates, at least one of which is provided with a transparent electrode, so that long axes of individual liquid crystal molecules are in parallel to one another an are oriented in the same direction as the surfaces of the substrates, and the long axes of the molecules are uniformly aligned in parallel, vertically or inclined to the surfaces of the substrates, wherein the gap d (.mu.m) between the substrates and the size p (.mu.m) of the helical pitch shown by the cholesteric phase liquid crystal at room temperature when an electric field is not applied satisfy the following relationships:d/p.gtoreq.1.

Abstract: A method of producing a polychromatic colored image with clear fine patterns, comprising the steps of:(a) contacting a light-sensitive colored resin layer, provided on a temporary support transmissive of ultraviolet rays with an adhesive layer provided on a permanent support;(b) imagewise exposing the light-sensitive colored resin layer to a pattern through the temporary support;(c) peeling the temporary support from the imagewise exposed resin layer;(d) developing the imagewise exposed colored resin layer to form a colored resin pattern on the adhesive layer;(e) embedding the colored resin pattern into the surface of the adhesive layer by applying pressure through a material having a surface energy lower than that of both the colored resin pattern and the adhesive layer;(f) contacting a light-sensitive resin layer of another image-forming material colored in a tint different from resin layers previously formed on the adhesive layer with the adhesive layer; and(g) repeating the exposure, development and embed

Abstract: A liquid crystal display unit uses a photoconductive type liquid crystal light valve. By using non-monochromatic light as the writing light, the light excitation can be induced near the surface layer of the photoconductive layer by light of a shorter wavelength and also on portions deep in the layer by light of a longer wavelength. Thus, it is possible to induce the light excitation effectively on the photoconductive layer even when it is thick.

Abstract: A liquid light-sensitive resin composition comprising:(A) a modified polystyrene resin which has at least one styrene unit having at least one ethylenic unsaturated double bond and at least one carboxyl group;(B) a polymerizable compound having at least one ethylenic unsaturated double bond;(C) a compound having at least one epoxy group;(D) a photopolymerization initiator or a photopolymerization initiating system;(E) a thermohardening catalyst capable of inducing a thermal reaction of the at least one epoxy group; and(F) an organic solvent; is disclosed.