Abstract: A gas-discharge display apparatus is provided that reduces influence of light emission of the discharging gas so as to enhance a color reproducible range and make color purity of red color close to the ideal value. The apparatus uses a gas containing at least one of neon and helium for generating the gas discharge and exciting three kinds of fluorescent materials having different light colors to emit light for color image display. In front of the gas discharge space, an optical filter is disposed, whose transmittance at the wavelength of 585 nanometers is smaller than both the transmittance at the wavelength of 450 nanometers and the transmittance at the wavelength of 620 nanometers.

Abstract: A low-pressure mercury discharge lamp comprising an inner bulb, which forms a gas discharge vessel and the wall of which is made of a material which is transparent to electromagnetic radiation and is coated with a phosphor, and comprising an outer bulb surrounding the inner bulb, the wall of which contains an UV-A phosphor, and comprising means for generating and maintaining a low-pressure mercury gas discharge.

Abstract: A gas discharge display device for displaying a color image by means of red, green and blue fluorescent substances, wherein a color to be reproduced by light-emission of the red, green and blue fluorescent substances for displaying a white pixel is set to be different from a white color intended for display, and a filter is disposed on a front side of the red, green and blue fluorescent substances for approximating a display color of the white pixel to the white color intended for display.

Abstract: A mercury vapor discharge fluorescent lamp is provided that has a mercury barrier. The mercury barrier is effective to inhibit mercury atoms from absorbing into the glass envelope and amalgamating with sodium atoms in the envelope. The mercury barrier is substantially non-mercury absorptive, both when the lamp is on and when it is off.

Abstract: An apparatus and method for blocking ultraviolet radiation from a arc tube includes a coating placed on at least a portion of the arc tube to block the UV radiation but yet pass visible light from the arc tube.

Abstract: A photocatalyst sterilizing lamp is constructed to include an UV lamp body and a photocatalyst coating coated on the surface of the lamp body, the lamp body having non-coating zones surrounded by the photocatalyst coating for the passing of ultraviolet light from the UV lamp body to activate the photocatalyst of the photocatalyst coating.

Abstract: A U-shaped compact fluorescent sun-tanning lamp (10) capable of generating and transmitting desired and undesired wavelengths of ultraviolet radiation, for example, the desired wavelength is in the range of 352 nm and the undesired wavelength is in the range of 254 nm. The lamp (10) comprises two lamp tubes (12) that are transparent to the desired wavelength of the ultraviolet radiation and substantially opaque to the undesired wavelength of the ultraviolet radiation. The tubes (12) are connected at the upper portion by a bight (14) that in an unmodified state is transparent to both the desired and the undesired wavelengths of the ultraviolet radiation. A modification (16) on the bight (14) is opaque to at least the undesired wavelength of ultraviolet radiation. In a preferred embodiment the modification is a ceramic paint (18).

Abstract: An optical filter of a plasma display panel (PDP) and its fabrication method are disclosed. The optical filter includes an electromagnetic wave shield layer having a bias angle formed by cutting a mesh film along a predetermined direction.

Abstract: An electric lamp is disclosed comprising a light-transmitting lamp vessel (1) which accommodates a light source (2). At least a part of the lamp vessel (1) is provided with a light-absorbing coating (3), the light-absorbing coating comprising stabilized pigments which are incorporated in a sol-gel matrix. In order to stabilize the pigments, an aminosilane is present.

Abstract: A halogen lamp of a 12V type including: a glass part, a portion of which is a light emitting portion having a space therein and the rest of which is a sealing portion, both portions being made of quartz glass; an infrared reflective coating formed to cover an outer surface of the glass part; a filament which, supported by the sealing portion, is provided in the inner space of the light emitting portion; a molybdenum foil which is embedded in the sealing portion and is electrically connected to the filament; and a power supply line, one end of which is connected to the molybdenum foil, the other end exposed to outside. The halogen lamp satisfies 450 mm2≦Sb<650 mm2 and Se≧−0.35Sb+520, where Sb and Se designate outer surface areas of the light emitting portion and the sealing portion, respectively.

Abstract: An illuminator capable of cleaning air is disclosed. The illuminator includes a transparent lamp envelope having two ends. A layer of glue body is adhered to inner surface of the lamp envelope. An amount of visible and UV light fluorescent powders are mixed in the layer of glue body. Electrode bases seal both ends of the lamp envelope. A photocatalytic gel film is coated on outer surface of the lamp envelope.

Abstract: The invention relates to a lamp comprising a transparent envelope having a first region defining an enclosed interior volume, and a closure region adjacent said first region, a light source located in said interior volume and electrically coupled to the exterior through said closure region, an interference filter coating formed on the exterior of said first region, said interference filter coating defining a spectral region of transparency, a light absorbing coating formed on the exterior of said first region, wherein said light absorbing coating comprises a ring-shaped portion having a layer thickness of at least 20 nanometer.

Abstract: The present disclosure provides a device and method for exposing a substrate to ultraviolet radiation emitted from a discharge lamp having regions of varying intensity along its length. The discharge lamp includes, inter alia, an elongated vitreous tube, first and second electrode assemblies and a coating on the interior the interior of the tube. The elongated vitreous tube has an outer periphery and axially opposed first and second ends which define an axial length for the tube therebetween. The outer periphery has a plurality of regions defined along said axial length, wherein a first region extends over a predetermined first portion of said axial length and has a helical groove path defining a series of axially spaced apart grooves formed therein. The first region emits ultraviolet radiation having an intensity greater than that emitted from a second region of the outer periphery.

Abstract: The invention relates to a halogen incandescent lamp for motor vehicles with an elongate bulb which is closed at one end and has a vacuumtight pinch seal at the other end, with at least one incandescent element arranged in the bulb, with a lamp cap connected to the pinch seal, and with current supply leads which are passed through the pinch seal to the incandescent element, with an annular optical filter which is provided at the closed end of the bulb. It is possible with such a halogen incandescent lamp in a simple manner both to change the subjective impression of the generated light and to improve the objective properties through emphasizing of a desired region of the spectrum.

Abstract: A glass substrate containing Na or K and being fabricated by a floating method has a surface coated with a metal oxide layer having a thermal expansion coefficient close to that of the glass substrate. Ag electrodes are provided on the metal oxide layer. This provides a plasma display panel with high image quality since the panel is prevented from migration of Ag between electrodes, thus having the glass substrate prevented from being tinted yellow. As a result, the plasma display panel at high quality can be implemented using the glass substrate.

Abstract: A mercury vapor discharge lamp is provided having either a yttria-dispersed alumina barrier layer, or a yttria-dispersed phosphor layer with no barrier layer. The yttria-dispersed layer is preferably coated directly on the inner surface of the glass envelope of a fluorescent lamp, and substantially reduces mercury depletion via reaction with the glass envelope. Preferably, the yttria-dispersed layer also has a fine coating of yttria deposited over the surfaces of the coating particles, and over the inner surface of the glass envelope. A method of preparing a coating layer having such a yttria coating, and yttria particles uniformly dispersed therethrough, is also provided.

Abstract: The low-pressure mercury vapor discharge lamp has a filling of mercury and an inert gas, and the glass discharge vessel (1) is provided on the inner surface (4) of the wall (3) with a film (6) of trifluoride and/or oxyfluoride of at least one element, which is trivalent at most, which is selected from lanthanides, lanthanum, scandium and yttrium. The film (6) counteracts transport of mercury from the discharge vessel to the wall (3) and of alkali from the wall (3) to the discharge vessel. In this manner, a decrease of the lamp's efficiency and of the service life are counteracted.

Abstract: A method and apparatus that effectively filters infrared light from fluorescent lighting and that is easily adapted to typical fluorescent lighting and assemblies. A transparent tube is provided for receiving a fluorescent lamp wherein the transparent tube includes a first end, a second end, an inner surface and an outer surface. An infrared block is located adjacent to the inner surface of the transparent tube. Furthermore, a first cap is provided for capping the first end of the transparent tube and a second cap is provided for capping the second end of the transparent tube.

Abstract: A filter for a plasma display panel and a method of manufacturing the novel filter. The filter is made up of a transparent substrate, a patterned conductive material formed on one side of the substrate, a negative photoresist with additives patterned to complement the metal pattern, the additives including a dye, a pigment and an additive to prevent reflection of external light. The method includes forming the metal pattern on the substrate, and using the metal pattern as a photo mask for patterning a layer of photoresist to complement the metal pattern.

Abstract: A discharge lamp includes a luminous bulb in which a luminous material is enclosed and a pair of electrodes are opposed to each other in the luminous bulb; and a pair of sealing portions for sealing a pair of metal foils electrically connected to the pair of electrodes, respectively. Each of the pair of metal foils has an external lead on a side opposite to a side electrically connected to a corresponding electrode of the pair of electrodes. At least one of the pair of sealing portions is provided with a reflective film on a surface of the sealing portion in a portion where a connection portion of the external lead and the metal foil is sealed. The reflective film contains a material having a reflectance larger than that of a material constituting the sealing portion.

Abstract: An apparatus for inspecting the coating of a fluorescent substance on a plasma display panel includes an illumination device for irradiating UV light onto the fluorescent substance for causing the fluorescent substance to emit light, and an imaging device for picking up the emission of the fluorescent substance. A filter, that lets only light of certain wavelengths in accordance with light emission characteristics of the fluorescent substance pass, is arranged between the imaging device and the panel being inspected.

Abstract: A colored filter, capable of emitting stable and bluish white light without causing a pigment to peel off even after use for many hours, and easily mountable in a xenon lamp or a halogen lamp. The colored filter includes a cylindrical body defining a slit along the full length thereof. The cylindrical body is fitted over the outer periphery of a glass tube of the lamp. The interior surface of the cylindrical body is uniformly coated with a baked-on coloring composition composed of a pigment and a flux.

Abstract: A long life mercury vapor discharge lamp is provided. The lamp has a ultraviolet-reflective barrier layer, a rare earth triphosphor layer coated on the barrier layer, and a fill gas of mercury vapor and argon. Most preferably, the barrier layer has a coating weight about 2.6, mg/cm2, the phosphor layer has a coating weight of about comprising a light-transmissive glass envelope having an inner surface, means for providing a discharge, an ultraviolet reflecting barrier layer comprising alumina particles coated adjacent said inner surface of said glass envelope, a phosphor layer coated adjacent said barrier layer, and a discharge-sustaining fill gas of mercury vapor and argon sealed inside said envelope, said fill gas having a pressure of 2.9-5 torr at 25° C., said phosphor layer having a coating weight of 2-3.5 mg/cm2.

Abstract: An organic EL element includes a light-transmitting glass substrate, an organic electroluminescence (EL) layer, a frame, a sealing cap, and an adhesive. The organic EL layer is formed on an element formation region of the substrate. The frame is formed on the substrate to surround the element formation region. The frame has a flat upper surface that has absorbed a three-dimensional shape on a surface of the substrate. The sealing cap is to be fixed to an upper surface of the frame. The adhesive adheres the frame and the sealing cap to each other. The adhesive is set at a temperature lower than a heat resistant temperature of the organic EL layer. A method of manufacturing the organic EL element is also disclosed.

Abstract: A display panel is provided that has a multilayer structure made of a colored glass layer having a desired shape and optical characteristics and a non-colored glass layer having high transparency, as well as high productivity. The display panel has a non-colored glass layer and a colored glass layer contacting the non-colored glass layer. A multilayer structure is formed that includes a colored paste layer and a non-colored paste layer. In the colored paste layer, crystallization glass powder that is crystallized at the temperature TA and coloring agent are diffused. In the non-colored paste layer, glass powder whose softening point is the temperature TB that is higher than the temperature TA. The multilayer structure is heated to the temperature TC that is higher than the temperature TB and is lower than the softening point of the crystallization glass powder after the crystallization to be burned, so that the non-colored glass layer and the colored glass layer are formed simultaneously.

Abstract: A light system is disclosed that may be used as a dual-mode LCD backlight. The light system includes a fluorescent lamp and a secondary light source that is attached to or formed upon an outer surface of the fluorescent lamp. The fluorescent lamp diffuses the light of the secondary light source.

Abstract: There is provided a flexible circuit module, including at least one rigid carrier, at least one solid state device mounted over a first side of the at least one rigid carrier, a flexible base supporting a second side of the at least one rigid carrier, a conductive interconnect pattern on the flexible base, and a plurality of feed through electrodes extending from the first side to the second side of the at least one rigid carrier and electrically connecting the conductive interconnect pattern with the at least one of a plurality of the solid state devices. The solid state devices may be LED chips to form an LED array module.

Abstract: An ultraviolet light source which includes an ultraviolet light bulb or lamp, a power source for providing power to the ultraviolet light bulb, and a non-glass or non-quartz protective sleeve which surrounds the ultraviolet light bulb. The ultraviolet light bulb preferably includes a casing for holding a starting gas and a vaporizable material, and at least one electrode electrically coupled to the power source for exciting the starting gas and the vaporizable material within the casing. The casing is made of soft glass or quartz material, and the protective sleeve is a fluoropolymer sleeve which surrounds the soft glass or quartz casing. The fluoropolymer sleeve may comprise any suitable fluoropolymer material, such as Teflon® products like PTFE, FEP, PFA, AF, Tefzel® ETFE, and the like. In addition, some silicon based materials or other UV transmissive non-glass materials can be used for the protective sleeve.

Abstract: A display includes means for generating plasma; means, provided on a specific surface of the plasma generating means, for preventing ultraviolet light, produced when the plasma is generated by the plasma generating means, from leaking outside; a liquid crystal layer which is made of liquid crystal and is disposed on the ultraviolet light leakage preventive means; and means for generating a potential difference between the plasma generating means and the electrode layer which is made from a transparent conductive oxide and is stacked on the liquid crystal layer. The provision of the ultraviolet light leakage preventive means prevents ultraviolet light, which is produced when plasma is generated, from leaking outside. This is effective to keep a stable light emission state of plasma and a stable quality of a displayed image.

Abstract: A ceramic metal halide arc tube is surrounded by a protective neodymium sleeve supported by a metal frame. As a result of the neodymium sleeve, the lamp is observed to have improved transmission of red color and to exhibit a CRI of at least about 90.

Abstract: A low-wattage mercury vapor discharge lamp is provided for use with existing 110V high frequency electronic ballasts. The lamp has a discharge sustaining fill of mercury and an inert gas mixture of krypton and argon that does not require a starting aid. The phosphor layer has a coating weight of 2.0-3.9 mg/cm2.

Abstract: An apparatus and method for blocking ultraviolet radiation from a arc tube includes a coating placed on at least a portion of the arc tube to block the UV radiation but yet pass visible light from the arc tube.

Abstract: The present invention provides to a front panel for a display in which the light transmittance of the front panel at a wavelength of 450 nm is higher than the light transmittance at a wavelength of 525 nm and the light transmittance at the wavelength of 525 nm is higher than the light transmittance at a wavelength of 630 nm. The front panel for a display of the present invention improves image contrast and color reproducibility of the display, when it is installed at the front side of a projection television receiver, a liquid crystal display, a plasma display, or the like.

Abstract: Low-pressure mercury vapor discharge lamp provided with a discharge vessel (10). The discharge vessel (10) encloses a discharge space (11), provided with a filling of mercury and a rare gas, in a gastight manner. At least a part of an inner surface of the discharge vessel (10) is provided with a transparent layer (16) comprising an oxide of scandium, yttrium, or a rare earth metal (lanthanum, cerium, gadolinium, ytterbium, and/or lutetium). The discharge lamp is characterized in that the transparent layer (16) comprises a borate or a phosphate of an alkaline earth metal and/or of scandium, yttrium or a further rare earth metal. Preferably, the alkaline earth metal is calcium, strontium and/or barium. The further rare earth metal is preferably lanthanum, cerium and/or gadolinium. The oxide is preferably Y2O3 or Gd2O3. Preferably, the transparent layer (16) has a thickness of between 5 nm and 200 nm. A luminescent layer (17) is preferably provided on top of the transparent layer in the discharge vessel.

Abstract: A front substrate and a back substrate are placed opposing each other separated by a discharge space. The front substrate is made of a semitransparent material such as a dark color glass with a mean transmittance for visible light of 60 to 80%. On the front substrate, a group of electrodes including pairs of scanning electrodes and sustaining electrodes covered with a dielectric layer and a protective coating are provided. Data electrodes and spacers are formed on the back substrate, and phosphors are provided on the data electrodes towards the side of the spacers. A front filter, which is made of a semitransparent glass sheet with a mean transmittance for visible light of 60 to 80%, is disposed on the front side of the front substrate. The present invention realizes a display with less halation and high contrast. Also, a detection rate of a defect in electrodes, which are formed on the front substrate, improves.

Abstract: A light diffusing coating for use on the exterior surfaces of the glass envelopes of electric lamps. The light diffusing coating containing a bimodal distribution of fine and ultrafine silica scattering centers which are adhered to each other and the glass surface by a sol gel derived silica.

Abstract: An image display panel includes a number of channels extending in a first direction. First electrodes extend parallel to the channels and a pair of second electrodes extend perpendicular to the channels. An image cell is created at the position where the pair of second electrodes cross a crossing of a first electrode. An array of cylindrical lenses is arranged on the viewer's side of the panel each having a longitudinal axis substantially parallel to the second electrodes. The pitch of the lens array may be equal to the vertical pitch of the image cells, while the array is shifted with respect to the image cells in a direction substantially perpendicular to the second electrodes. Also, the pitch of the lens array may be smaller than the vertical pitch of the image cells with or without with the aforementioned shift of the lenses with respect to the image cells.

Abstract: The invention relates to a plasma picture screen with a protective layer (5) made of materials having a low electron affinity and a high resistance to sputtering.

Abstract: A plasma display panel is disclosed to enhance a light efficiency by using a low-priced filter and enhancing a contrast of a plasma display panel. The plasma display panel includes an electrochromic filter which selectively controls an amount of transmittance of light emitted from a discharge cell within a plasma display panel.

Abstract: A photo catalyzer includes a light-transmitting substrate and a catalytic layer provided on the substrate. The catalytic layer substantially includes anatase form of titanium oxide and has a thickness of 0.01 to 0.3 microns. The photocatalyzer can be part of a lamp or lighting fixture arrangement.

Abstract: An optical filter comprises a transparent support and at least one filter layer. The optical filter has an absorption maximum in the wavelength region of 560 to 620 nm. The optical filter also has another absorption maximum in the wavelength region of 700 to 1,200 nm. A plasma display panel having a display surface covered with an optical filter is also disclosed.

Abstract: A method and apparatus that effectively filters infrared light from fluorescent lighting and that is easily adapted to typical fluorescent lighting and assemblies. A transparent tube is provided for receiving a fluorescent lamp wherein the transparent tube includes a first end, a second end, an inner surface and an outer surface. An infrared block is located adjacent to the inner surface of the transparent tube. Furthermore, a first cap is provided for capping the first end of the transparent tube and a second cap is provided for capping the second end of the transparent tube.

Abstract: A pixel structure of an active matrix full-color OLED display device and its manufacturing method are provided. The pixel structure of the display device comprises two thin film transistors, a storage capacitor, a color filter, and an OLED device structure constructed on a top surface of a substrate, a black matrix region outside the color filter region and under the thin film transistors. In this pixel, structure of the OLED display device, the OLED device structure and the color filter are integrated in a thin-film-transistor array. This simplifies the process, reduces the leakage of light and increases the contrast of the display device. A white OEL device is used to emit light. A light then passes a color filter to get red, green or blue color of light. Therefore, a full-color OLED is formed. A poly-silicon thin film transistor is used to provide current to the OLED device structure and served as an active drive device.

Abstract: A long life mercury vapor discharge lamp is provided. The lamp has a ultraviolet-reflective barrier layer, a rare earth triphosphor layer coated on the barrier layer, and a fill gas of mercury vapor and argon. Most preferably, the barrier layer has a coating weight about 2.6, mg/cm2, the phosphor layer has a coating weight of about comprising a light-transmissive glass envelope having an inner surface, means for providing a discharge, an ultraviolet reflecting barrier layer comprising alumina particles coated adjacent said inner surface of said glass envelope, a phosphor layer coated adjacent said barrier layer, and a discharge-sustaining fill gas of mercury vapor and argon sealed inside said envelope, said fill gas having a pressure of 2.9-5 torr at 25° C., said phosphor layer having a coating weight of 2-3.5 mg/cm2.

Abstract: A mercury vapor discharge lamp is provided having either a yttria-dispersed alumina barrier layer, or a yttria-dispersed phosphor layer with no barrier layer. The yttria-dispersed layer is preferably coated directly on the inner surface of the glass envelope of a fluorescent lamp, and substantially reduces mercury depletion via reaction with the glass envelope. Preferably, the yttria-dispersed layer also has a fine coating of yttria deposited over the surfaces of the coating particles, and over the inner surface of the glass envelope. A method of preparing a coating layer having such a yttria coating, and yttria particles uniformly dispersed therethrough, is also provided.

Abstract: An environmentally favorable method is described for treating an incandescent lamp with a heat curable substantially organic solvent free silicone composition to improve the shatter resistance of the lamp.

Abstract: A three-dimensional display apparatus capable of producing an image in three dimensions without the aid of optical illusions or perspective trickery. The display apparatus is comprised of a plurality of pixels which are, in turn, comprised of a plurality of cells. The cells illuminate in one of the three primary colors red, green and blue such that a combination of a red, green and blue cell into a pixel, is capable of producing any color in the visible spectrum. The cells are oriented in the pixel such that light from the pixel is perceivable in six directions, thereby creating a three-dimensional light source. By combining a plurality of these three-dimensional light sources, i.e. a plurality of pixels in a three-dimensional matrix, a three-dimensional image is capable of being displayed.

Abstract: The present invention provides a device in the form of a single filter which is useable in conjunction with a plasma display panel and which functions to reduce reflection after assembly to acceptable levels, to increase contrast enhancement ratios, to reduce EMI emissions to levels which comply with consumer safety regulations and with military and aircraft standards and to reduce infrared transmission in the 800 nm-1000 nm range to a level which does not interfere with IR remote control operation. The present invention also relates to a method of making such a plasma display panel filter.

Abstract: A compact and portable docking station for a radio mobile personal digital assistant (PDA) carries a magnetic card reader and provides an interface that supplies drive power to the magnetic card reader independently of the PDA battery and translates signal levels provided from the card reader so that they can reliably be read by the PDA. PDA battery power is conserved by initiating all interface actions from a software generated “radio” button appearing on the screen of the PDA.

Abstract: Colored luminaire, in particular a signal luminaire for motorcars, having a lamp and a cover, wherein the lamp includes a bulb having a coating composed of a first layer containing an iron-oxide pigment, a second layer containing an organic coloring material, and a transparent layer which is arranged between the first and the second layer and which contains a silicon-oxygen compound.