Abstract: The present invention is directed to a laminate having a layer construction of metal-insulating layer-metal or a layer construction of metal-insulating layer, which laminate meets conditions for developing large adhesive strength between the insulating layer and the metal, as well as to an insulating film and an electronic circuit using the laminate. The laminate has a layer construction of first metal layer/insulating layer/second metal layer or a layer construction of metal layer/insulating layer. The insulating layer 1 has a multilayer structure of two or more layers. The layers on the side of the adhesive interface with each metal layer (a copper foil 3 and an SUS foil 4), out of the layers constituting the insulating layer 1, each are a thermoplastic resin layer 2. The minimum value of the storage modulus at a temperature at or above Tg of the thermoplastic resin layer 2 is not more than 106 Pa.

Abstract: The present invention provides a projection screen capable of sharply displaying an image by minimizing the influence of phase differences that are produced when light is slantingly incident on a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, and of providing high image visibility. A projection screen includes: a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, capable of selectively reflecting a specific polarized-light component; and a substrate that supports the polarized-light selective reflection layer. The cholesteric liquid crystalline structure of the polarized-light selective reflection layer contains a plurality of helical-structure parts that are different in direction of helical axis, and, owing to structural non-uniformity in the cholesteric liquid crystalline structure, the polarized-light selective reflection layer diffuses light (imaging light) that is selectively reflected.

Abstract: The present invention is directed to a laminate having a layer construction of metal-insulating layer-metal or a layer construction of metal-insulating layer, which laminate meets conditions for developing large adhesive strength between the insulating layer and the metal, as well as to an insulating film and an electronic circuit using the laminate. The laminate has a layer construction of first metal layer/insulating layer/second metal layer or a layer construction of metal layer/insulating layer. The insulating layer 1 has a multilayer structure of two or more layers. The layers on the side of the adhesive interface with each metal layer (a copper foil 3 and an SUS foil 4), out of the layers constituting the insulating layer 1, each are a thermoplastic resin layer 2. The minimum value of the storage modulus at a temperature at or above Tg of the thermoplastic resin layer 2 is not more than 106 Pa.

Abstract: The present invention provides a laminated retardation optical element that never lowers contrast and thus never degrades display performance even when placed between a liquid crystal cell and a &lgr;/4 retardation film. In a liquid crystal display 90, a laminated retardation optical element 10 is placed between a polarizer 102A on the incident side and a liquid crystal cell 104, and a &lgr;/4 retardation film 102C is placed between a polarizer 102B on the emergent side and the liquid crystal cell 104. The laminated retardation optical element 10 comprises: a &lgr;/4 retardation layer 14 having the function of bringing, to light that passes through this retardation layer, a phase difference corresponding to a quarter of the wavelength of the light; and a C plate-type retardation layer 16 that acts as a negative C plate. The &lgr;/4 retardation layer 14 and the C plate-type retardation layer 16 are laminated to a transparent substrate 12 in the order mentioned, and are optically bonded to each other.

Abstract: The present invention provides an inexpensive retardation optical element having the function of reflecting ultraviolet light, capable of decreasing the amount of ultraviolet light that enters a liquid crystal cell, and a liquid crystal display comprising such a retardation optical element. A retardation optical element having the function of reflecting ultraviolet light 10 comprises a retardation layer 12 having a cholesteric liquid crystalline molecular structure in planar orientation. The retardation layer 12 is made so that at least part of its selective reflection wave range for light, which the retardation layer 12 selectively reflects, due to its liquid crystalline molecular structure, is included in an ultraviolet region of 100 to 400 nm and that the maximum reflectance for light in this ultraviolet region is 30% or more.

Abstract: There are provided a phase change-type memory element, which can reduce a reset pulse current value necessary for returning the phase state from an ON state to an OFF state, can improve integration density, is not restricted by the process temperature at the time of the production thereof, and can be simply produced, and a process for producing the same. The phase change-type memory element comprises: two or more electrodes provided opposite to each other through an insulating layer; an exposed surface on which at least a part of the insulating layer and at least a part of each of the electrodes are exposed; and a phase change recording material layer provided, on the exposed surface, in contact with the at least two electrodes.

Abstract: A Fresnel lens sheet has a light-receiving surface and a light-emitting surface. The light-receiving surface is provided with a plurality of prism groups, each including a plurality of straight or circular prisms. Each of the prisms of the prism groups has a total reflection surface that reflects incident light totally toward a viewing side. The height of the prisms formed in a predetermined specific region in the light-receiving surface of the Fresnel lens sheet is bigger than that of the prisms in another region.

Abstract: A Fresnel lens sheet has an entrance surface provided with a plurality of total-reflection Fresnel lens elements. Each of the total-reflection Fresnel lens elements has a light-receiving facet and a total-reflection facet that deflects part of or all the image light fallen on the light-receiving facet in a desired direction. The Fresnel lens sheet meets a requisite condition expressed by an expression: A1≦0.6T1/L1, where L1 (mm) is the horizontal length of the Fresnel lens sheet, T1 (mm) is the thickness of the Fresnel lens sheet, and A1 (%) is maximum elongation percentage of the Fresnel lens sheet at which the Fresnel lens sheet lengthens due to moisture absorption. The Fresnel lens sheet includes a Fresnel lens element sheet, and an auxiliary sheet attached to the exit side of the Fresnel lens element sheet. The Fresnel lens element sheet enables efficient molding-removing work for removing the Fresnel lens element sheet from a mold.

Abstract: The present invention provides a Fresnel lens sheet that can, in production using a mold, be easily released from the mold and that scarcely produces stray light upon use, and others. Each prism 2 on the incident side of a Fresnel lens sheet 1 is formed to have a nearly triangular cross section and has a plane of refraction 3 that refracts projected light S incident on this plane and a plane of total reflection 4 that totally reflects, toward the viewer's side, at least part of the light refracted at the plane of refraction 3. Each prism 2 is made so that a root 5 between a prism 2 and a prism 3 situated next to the prism 2, on the plane of total reflection side of the prism 2 (a root 5 defined by the plane of refraction 3 of one prism 2B and the plane of total reflection 4 of another prism 2A situated next to the prism 2B, on the side of the plane of refraction 3 of the prism 2B) is curved toward the prism 2A side from the prism 2B side.

Abstract: The present invention provides a process of producing a circularly-polarized-light-separating element, through which a circularly-polarized-light-separating element in the form of a thin film, and excellent in efficiency of reflection, can be easily and effectively produced. A cholesteric liquid crystal solution is firstly applied to a glass substrate 11 having alignment power by the use of a spinner or the like to form a film 13 (FIG. 1(a)). The film 13 of the cholesteric liquid crystal solution is then heated, thereby obtaining an uncured cholesteric liquid crystal film 14 (FIG. 1(b)). Thereafter, the uncured cholesteric liquid crystal film 14 formed on the glass substrate 11 is left as it is at room temperature for a predetermined period of time so that liquid crystalline molecules in the cholesteric liquid crystal film 14 are aligned to form a cholesteric phase with the liquid crystalline molecules in planar orientation (FIG. 1(c)).

Abstract: The present invention is a method of manufacturing a light emitting display panel, which includes a laminated structure formed by laminating at least a flexible base layer, a first electrode layer, an EL layer, a second electrode layer and a flexible sealing layer in that order. The flexible base layer is provisionally attached to a rigid flat plate, and thereafter supplied to a main manufacturing step of the light emitting display panel. According to the feature, no significant unevenness in the thicknesses of layers formed on or above the flexible base layer is generated. Therefore, a light emitting display panel whose light emitting strength is uniform can be produced.

Abstract: An inspection contact sheet for electronic device inspection comprises a three-layer base sheet formed by laminating protective films to both the surfaces of an insulating rubber layer, conductive rubber parts having rubber elasticity and penetrating the base sheet perpendicularly to the surfaces of the base sheet. One of the surfaces of the base sheet is provided with contact pads to be brought into contact with the terminals of the electronic device, and the other surface of the base sheet is provided with contact pads to be brought into direct contact with the terminals of an electronic circuit inspecting circuit member or wiring lines. The terminal pads or the wiring lines have an area greater than the sectional area of the conductive rubber parts.

Abstract: The present invention is a pattern display apparatus including a rotary or stationary display member; and a flexible organic EL device provided on an outer surface of the rotary or stationary display member, the flexible organic EL device being capable of displaying a character, a figure, a mark and/or a pattern formed by combining some of a character, a figure and a mark. According to the feature, the self-luminescent organic EL device provided on the outer surface of the rotary display member or the stationary display member can be driven by a low voltage to emit bright light and is also capable of emitting light in multiple colors. Therefore, the problems in the conventional pattern display apparatus using light bulbs as light sources do not arise in the pattern display apparatus of the present invention.

Abstract: Disclosed are a thermally transferable image protective sheet and a method for protective layer formation that can provide a protective layer which can protect an image of a record produced by a nonsilver photographic color hard copy recording method, can impart lightfastness and other properties to the record, and can realize a record having a glossy impression comparable to silver salt photographs. The thermally transferable image protective sheet comprises a support and a thermally transferable resin layer having a single-layer or multilayer structure stacked on the support so as to be separable from the support.

Abstract: There are provided a thermal transfer film which can yield an image formed object possessing excellent fastness or resistance properties such as excellent abrasion resistance and lightfastness, has good sensitivity in transfer, and is free from blocking during storage in a roll form, a thermal transfer recording medium, and a method for image formation using them. The thermal transfer film comprises: a substrate; and one or a plurality of layers provided on one side of the substrate, the one or plurality of layers including at least a thermal transfer layer, the thermal transfer layer being located on the uppermost surface of the thermal transfer film, the thermal transfer layer comprising at least two polyester resins different from each other in number average molecular weigh.

Abstract: The present invention is directed to a dye-receptive layer transfer sheet which has a good balance between the adhesion to an object, on which a sublimation transferred image is to be formed, and the releasability of a print from a thermal transfer sheet having a dye layer at the time of printing of an image, using the thermal transfer sheet, on the object with a dye-receptive layer transferred thereon from the dye-receptive layer transfer sheet. The dye-receptive layer transfer sheet comprises: a substrate sheet; and a transferable dye-receptive layer provided separably on one side of the substrate sheet, the transferable dye-receptive layer comprising an epoxy-modified silicone, a methylstyrene-modified silicone, and a polyether-modified silicone.