Abstract: There is provided an organic EL panel which is obtained by sequentially laminating a first electrode, an organic material layer and a second electrode on a substrate and selectively providing a light emitting portion, being a portion of emitting light, in the organic material layer, wherein the organic material layer is heated at a position other than the light emitting portion with a heating member having a deformable heating portion to change an optical characteristic of the position while avoiding deterioration of the first electrode, the second electrode and the substrate.

Abstract: an organic electroluminescent display panel includes organic electroluminescent elements and a resin substrate supporting the organic electroluminescent elements. Each organic electroluminescent element has first and second display electrodes and one or more organic functional layers of organic compounds sandwiched and layered between the first and second display electrodes, the organic functional layers including a light-emitting layer. The display panel includes an inclusion-inorganic-barrier laminate provided at least between the organic electroluminescent elements and the resin substrate and having a high-molecular compound film embedded within the inclusion-inorganic-barrier-laminate, in a form of being in contact with the organic electroluminescent elements.

Abstract: An organic electroluminescent display panel includes more than one organic electroluminescent element having a first display electrode, one or more organic functional layers including a light-emitting layer formed of an organic compound, and a second display electrode, which are sequentially layered in that order. The panel also includes a resin substrate carrying the organic electroluminescent element in contact therewith. The panel is provided with an inorganic barrier film for covering the surfaces of the resin substrate.

Abstract: An organic electroluminescent display panel includes more than one organic electroluminescent element having a first display electrode, one or more organic functional layers including a light-emitting layer formed of an organic compound, and a second display electrode, which are sequentially layered in that order. The panel also includes a resin substrate carrying the organic electroluminescent element in contact therewith. The panel is provided with an inorganic barrier film for covering the surfaces of the resin substrate.

Abstract: A gas barrier substrate includes a compound gradient layer. The compound gradient layer includes an inorganic material and a resin material. A content of the inorganic material in the resin material varies in a thickness direction. The gas barrier substrate also includes a gas barrier layer. The gas barrier layer is made of an inorganic material and is bonded to the compound gradient layer. The compound gradient layer has a high content of inorganic material in an area near a bonding surface between the compound gradient layer and the gas barrier layer. The compound gradient layer may be bonded to a resin layer and may have a low content of inorganic material in an area near a surface bonded to the resin layer.

Abstract: A luminescent display device comprises a resin substrate having one and another surfaces, and a transparent electrode, a metal auxiliary electrode disposed to be conductive to the transparent electrode and a luminescent layer composed of an organic compound so that the transparent electrode, the auxiliary electrode and the luminescent layer are laminated in form of layers on the one surface of the resin substrate. The auxiliary electrode has a total stress of {(inner stress)×(film thickness thereof)} of not more than 1.3×105 dyn/cm.

Abstract: A method of manufacturing a ridge-shaped 3-dimensional waveguide, has the steps of: forming a crystal film made of a second ferroelectric oxide non-linear crystal having a refractive index higher than that of a substrate made of a first ferroelectric oxide non-linear crystal on the substrate; forming a metal film on the crystal film; forming a mask by etching the metal film; and forming a ridge portion by selectively removing the crystal film through the mask by a dry etching method.

Abstract: A luminescent display device comprises a resin substrate having one and another surfaces, and a transparent electrode, a metal auxiliary electrode disposed to be conductive to the transparent electrode and a luminescent layer composed of an organic compound so that the transparent electrode, the auxiliary electrode and the luminescent layer are laminated in form of layers on the one surface of the resin substrate. The auxiliary electrode has a total stress of {(inner stress)×(film thickness thereof)} of not more than 1.3×105 dyn/cm.

Abstract: A surface acoustic wave device includes a crystalline substrate with a structure selected from the group consisting of the perovskite structure, the spinel structure, and the rock salt structure. The device also includes a thin piezoelectric crystalline film having the perovskite structure and deposited on the crystalline substrate by chemical vapor deposition, and an electrode means for generating a surface acoustic wave on the thin piezoelectric crystalline film. In the device, a surface of the crystalline substrate on which the thin piezoelectric crystalline film is deposited is a mirror surface inclined at an offset angle &thgr; from the (001) plane of the crystalline substrate, and the electrode means have electrode fingers arranged in parallel to each other so that a surface acoustic wave propagates along one direction of crystalline axes of the thin piezoelectric crystalline film.

Abstract: A method of manufacturing a ridge-shaped 3-dimensional waveguide, has the steps of: forming a crystal film made of a second ferroelectric oxide non-linear crystal having a refractive index higher than that of a substrate made of a first ferroelectric oxide non-linear crystal on the substrate; forming a metal film on the crystal film; forming a mask by etching the metal film; and forming a ridge portion by selectively removing the crystal film through the mask by a dry etching method.

Abstract: A surface acoustic wave device includes a crystalline substrate with a structure selected from the group consisting of the perovskite structure, the spinel structure, and the rock salt structure. The device also includes a thin piezoelectric crystalline film having the perovskite structure and deposited on the crystalline substrate by chemical vapor deposition, and an electrode means for generating a surface acoustic wave on the thin piezoelectric crystalline film. In the device, a surface of the crystalline substrate on which the thin piezoelectric crystalline film is deposited is a mirror surface inclined at an offset angle &thgr; from the (001) plane of the crystalline substrate, and the electrode means have electrode fingers arranged in parallel to each other so that a surface acoustic wave propagates along one direction of crystalline axes of the thin piezoelectric crystalline film.

Abstract: An organic electroluminescent display panel includes more than one organic electroluminescent element having a first display electrode, one or more organic functional layers including a light-emitting layer formed of an organic compound, and a second display electrode, which are sequentially layered in that order. The panel also includes a resin substrate carrying the organic electroluminescent element in contact therewith. The panel is provided with an inorganic barrier film for covering the surfaces of the resin substrate.

Abstract: An optical recording medium comprises a first information recording surface; a first reflecting layer formed on the first information recording surface; a second information recording surface; and a second reflecting layer formed on the second information recording surface. In particular, the first reflecting layer contains a titan oxide as a main component.

Abstract: A surface acoustic wave device includes a crystalline substrate with a structure selected from the group consisting of the perovskite structure, the spinel structure, and the rock salt structure. The device also includes a thin piezoelectric crystalline film having the perovskite structure and deposited on the crystalline substrate by chemical vapor deposition, and an electrode means for generating a surface acoustic wave on the thin piezoelectric crystalline film. In the device, a surface of the crystalline substrate on which the thin piezoelectric crystalline film is deposited is a mirror surface inclined at an offset angle &thgr; from the (001) plane of the crystalline substrate, and the electrode means have electrode fingers arranged in parallel to each other so that a surface acoustic wave propagates along one direction of crystalline axes of the thin piezoelectric crystalline film.

Abstract: A raw material feeding apparatus is provided for a film-forming apparatus in which a thin film is formed from a solid matter as a raw material during chemical vapor-phase deposition. The apparatus includes sub-containers each having an opening for introduction of a gas, an opening for discharge of a gas, a bottom, on which a solid raw material is spread between the inlet opening and the outlet opening, and a wall defining a gap, in which a gas being introduced and discharged is made to contact the solid raw material spread on the bottom while the gas is moved on the surfaces of the material. The apparatus also includes a raw material container for receiving and holding the sub-containers. The apparatus also includes a heating device for heating the raw material container, and carrier gas conveying tubes for introducing a carrier gas into the raw material container and including a passage communicated to the outlet openings of the sub-containers.

Abstract: A wavelength converting device for converting a wavelength of a light is provided. The wavelength control device including: a waveguide layer for guiding the light; a substrate having a lattice constant is different from a lattice constant of the waveguide layer; and a buffer layer which is disposed between the waveguide layer and the substrate and which has a lattice constant between the lattice constant of the waveguide layer and the lattice constant of the substrate.

Abstract: A second harmonic wave-generating element for generating a second harmonic wave from a fundamental wave, having an optical waveguide layer made of first epitaxial material having a fundamental composition of K3Li2−x(Nb1−YTaY)5+XO15+Z, an underclad part made of second epitaxial material having a fundamental composition of K3Li2−X+A(Nb1−Y−BTaY+B)5+X−AO15+Z, an overclad part made of third epitaxial material having a fundamental composition of K3Li2−X+C(Nb1−Y−DTaY+D)5+X−CO15+Z and formed on and contacting the optical waveguide layer, wherein X=0.006 to 0.5, Y=0.00 to 0.05, A=0.006 to 0.12, B=0.005 to 0.5, C=0.006 to 0.12, D=0.005 to 0.5, X−A≦0, X−C≧0, |A−C|≦0.006, and |B−D|≦0.005).

Abstract: A wavelength converting device for converting a wavelength of a light is provided. The wavelength converting device includes: a substrate comprising MgO; a waveguide membrane comprising KNbO.sub.3, for guiding the light; a buffer membrane which is disposed between the substrate and the waveguide membrane and which comprises KTa.sub.x Nb.sub.(1-x) O.sub.3. A mixing rate of Ta in the KTa.sub.x Nb.sub.(1-x) O.sub.3 in the buffer membrane is in a range of 40 atom % to 60 atom % at a surface of the buffer membrane touching the substrate, and is 0 atom % at a surface of the buffer membrane touching the waveguide membrane.

Abstract: When a potassium-containing substance is formed in to a film using an organic potassium complex as a potassium source by the CVD method, it is prevented that the film formation rate is changed with the lapse of time, and the potassium content in the film thus formed is changed.As a potassium source for vaporization used for depositing the potassium-containing substance on a substrate by the CVD method, a .beta.-diketone complex of potassium that has been melted by heating to a temperature higher than its melting point and then cooled to be solidified is used.

Abstract: A method of subliming material is provided for use in a CVD film preparation method wherein a CVD precursor is sublimed from its solid state by heating to a temperature not exceeding its melting point, thereby producing a vapor of the precursor, and the vapor of the precursor is transported to a reactor. The method of subliming material comprises the steps of forming the solid-state compound into a film, covering a back surface of the film with a non-reactive support and exposing a front surface of the film to an atmosphere as a sublimation surface. The method maintains the exposed surface area of the solid compound constant during processing.