554 results about "Black light" patented technology

A table game system comprises a plurality of playing cards and a card shooter apparatus. The cards include an ultraviolet-ray reaction code comprising at least two sets of code elements that are arranged along one side of a face of the card. The code represents at least the number of a card. The card shooter apparatus includes a card housing for containing the cards, a card guide unit that guides cards pulled out one by one from the card housing, one or more card detecting sensors that detect the existence or non-existence of a card pulled out along a card guiding direction of the card guide unit, and one or more black light sensors that read the ultraviolet-ray reaction code from the card guided by the card guide unit.

A wireless switch is provided having a twenty-year life energy harvesting arrangement for self-powering a wireless transmitter. The energy harvesting arrangement is implemented in one embodiment using a piezoelectric switch element. A tritium light source and photovoltaic device are used in a second embodiment, while a black light source and photovoltaic device are used in a third embodiment. The energy harvesting wireless switch arrangement of the present invention can be combined, for example, with a vehicle side mirror switch, to reduce the complexity of the wire harness feeding the door. The wireless switch can be located without regard to accessability of a wiring harness or connector.

A firearm ammunition device includes a cartridge with a projectile that is loaded with a tracer agent. When the projectile is fired and strikes a game animal, the impact causes the release and dispersal of the tracer agent from the projectile. The dispersed tracer agent identifies an enhanced-visibility trail of the fleeing animal. In example embodiments, the cartridge is provided by a centerfire cartridge, a shotgun cartridge, and a muzzleloading cartridge. The tracer agent preferably comprises one or more compounds that produce visible light to the naked eye and / or under a black light source. Example tracer agents include biological stains that produce visible light upon contact with blood, luminol or another chemiluminescent compound that releases light by a chemical reaction such as may occur when contacting blood, a basic salt such as sodium carbonate or another effervescence-inducing agent, a phosphorescent compound, or a fluorescent compound.

A hand-held, compact fixed mounted or mobile optical symbol scanner assembly that employs black-light emitting diodes to illuminate luminescent or fluorescent bar code symbols that are invisibly printed or formed the surface of an article. The scanner employs an array of far blue or UV LEDs or laser diodes. An optional nosepiece or shroud on the distal face of the scanner device limits glare from ambient light and also protects against stray UV light. A filter disposed in advance of the imager device blocks the illuminating wavelength but transmits the luminescent light from the target. With proper selection of optical filters and illumination LED wavelengths, the scanner can be used with inks or dyes that fluoresce when exposed to light in the visible spectrum.

The invention discloses a flat panel display. The flat panel display comprises a non-transparent display region (1), a transparent display region (3) located at the periphery of the non-transparent display region (1), and a plurality of environment induction apparatuses (5) arranged below the transparent display region (3); each of the non-transparent display region (1) and transparent display region (3) is covered by a transparent substrate (9); black light absorption components (7) are arranged below the transparent display region (3) and a plurality of environment induction apparatuses (5). The flat panel display uses the transparent display region and non-transparent display region to display together, the display area is effectively increased, and moreover, the environment induction apparatuses are arranged below the transparent display region, through arranging the black light absorption components below the environment induction apparatuses, the environment induction apparatuses are hidden in the display, the display appearance is beautiful, and the aesthetic feeling of the display is improved.

Disclosed is a conventional organic light emitting diode (OLED) having one reflective electrode in combination with at least one transparent OLED in stacked configuration functioning as backlighting in a transflective display apparatus such as a liquid crystal display (LCD). Preferably, at least two transparent OLEDs are arranged in a stacked configuration with one conventional OLED, each of the three OLEDs emitting light of a different bandwidth. The reflective electrode located behind the backlight also serves as a reflecting plate for the display. This arrangement enhances reflectivity and permits color sequencing in the transmissive mode, allowing all the components of a full color display (i.e. red, green, blue) to emit through the same pixel without the need for a color filter.

A firearm ammunition device includes a cartridge with a projectile that is loaded with a tracer agent. When the projectile is fired and strikes a game animal, the impact causes the release and dispersal of the tracer agent from the projectile. The dispersed tracer agent identifies an enhanced-visibility trail of the fleeing animal. In example embodiments, the cartridge is provided by a centerfire cartridge, a shotgun cartridge, and a muzzleloading cartridge. The tracer agent preferably comprises one or more compounds that produce visible light to the naked eye and / or under a black light source. Example tracer agents include biological stains that produce visible light upon contact with blood, luminol or another chemiluminescent compound that releases light by a chemical reaction such as may occur when contacting blood, a basic salt such as sodium carbonate or another effervescence-inducing agent, a phosphorescent compound, or a fluorescent compound.

A portable, self-contained, black light device that is incorporated into or adaptable to a head gear to be used in combination with fluorescent or phosphorescent material for entertaining effect or promotional purposes. The portable black light device has a housing with a plurality of openings, a plurality of UV LEDs protruding from each opening and a power source within the housing for energizing the UV LEDs. With the portable black light device incorporated or adaptable to the visor or brim of a head gear, and in combination with fluorescent paint or make up on a wearer's face or fluorescent decorative element, cause the fluorescent paint to glow as if internally lit, providing an effective entertainment or advertisement.

A transparent measuring device with enhanced visibility lines formed on a transparent substrate having opposing planar front and back surfaces and with at least one opaque line formed on one of the front and back surfaces and at least one transparent line formed on one of the front and back surfaces to be colinear with the at least one opaque line to present a composite line where the transparent line permits viewing of material on which the device is placed while highlighting the at least one opaque line for enhanced visibility. The transparent line may be formed of excitable pigment that reacts to light, such as a black light, or that retains luminance after exposure to light.

The invention discloses red fluorescent powder used for a white LED. The chemical expression is that R<1>2R<2>1-x(R<3>O4) (R<4>O4) : xEu<3+>, wherein, R<1> is one, two or more of Li<+>, Na<+>, K<+>, Rb<+> and Ag<+>; R<2> is one, two or more of La<3+>, Gd<3+>, Y<3+>, Pr<3+>, Sm<3+>, Eu<3+>, Bi<3+>, B<3+> and Al<3+>; R<3> is P<5+>, P<5+> and V<5+>, P<5+> and Nb<5+>, or P<5+> and V<5+> as well as Nb<5+>; R<4> is W<6+> and Mo<6+>; x is 0.005 to 1.0. The preparation method of the red fluorescent powder comprises the following steps: firstly, raw material containing R<1>, R<2>, Eu<3+>, R<3> and R<4> is porphyrized and evenly mixed, dried and porphyrized again and positioned into a muffle to be sintered; secondly, the red fluorescent powder is obtained after post-processing. The red fluorescent powder of the invention can be effectively excitated by blue light, black light or ultraviolet light, the light and thermal stability is good, the red luminous intensity is high, and the color purity is ideal.

An imaging optical system O supported by a lens barrel 3 includes a second lens group G2. The second lens group G2 includes a fourth lens 54 and a black light shielding portion 54d formed by printing. The light shielding portion 54d is a film-shaped portion formed on the surface of the fourth lens 54, and blocks harmful light in the imaging optical system O. The light shielding portion 54d includes a synthetic resin. The light shielding portion 54d is disposed in a non-effective optical area of the fourth lens 54. The effective light path of the imaging optical system O is determined by the light shielding portion 54d.

Disclosed is a conventional organic light emitting diode (OLED) having one reflective electrode in combination with at least one transparent OLED in stacked configuration functioning as backlighting in a transflective display apparatus such as a liquid crystal display (LCD). Preferably, at least two transparent OLEDs are arranged in a stacked configuration with one conventional OLED, each of the three OLEDs emitting light of a different bandwidth. The reflective electrode located behind the backlight also serves as a reflecting plate for the display. This arrangement enhances reflectivity and permits color sequencing in the transmissive mode, allowing all the components of a full color display (i.e. red, green, blue) to emit through the same pixel without the need for a color filter.

The invention relates to a light source of an LED (light-emitting diode) insect killing lamp with multiple crest optical spectrums, belonging to a semiconductor LED (light-emitting diode) light source and the application field thereof. The light source comprises a lamp holder, a transparent light tube and a metal heat dissipating column arranged in the transparent lamp holder; an LED (light-emitting diode) metal base printed circuit board on which a luminescent device is surface-mounted is arranged on the metal heat dissipating column; the metal heat dissipating column is a regular polygon hollow cylindrical surface body; a regular hexagon is preferably used as the cross section of the metal heat dissipating column; the spectrum range of the light source is in the range of 320-650nm; the number of the crests of the light spectrum is 6; and the crests have different luminous colors and comprise an ultraviolet LED (light-emitting diode), a blue light LED (light-emitting diode), a green light LED (light-emitting diode), a green yellow light LED (light-emitting diode), a yellow light LED (light-emitting diode) and an orange red light LED (light-emitting diode) which are different in main wavelength. The radiation efficiency is increased from 12% of a black light lamp to 20%; and therefore, the Light source has the advantages of saving the energy source consumption, being beneficial to energy saving, environmental friendliness and having low cost. The service life of the light source is prolonged to ten thousand hours; the angles of light beams are increased from 120 degrees of an LED (light-emitting diode) luminous element to 360 degrees of the LED (light-emitting diode) light source so that the whole light spectrum trapping on different types of insets at different growth stages is effectively realized.

A lead-free solder paste suitable for soldering components in electronic or microelectronic circuitry including a solder powder and a flux medium. The flux medium includes at least one colored dye material and at least one fluorescent dye material. The solder paste upon melting undergoes a color change from a colored state to a colorless metallic state and the melted solder paste fluoresces under black light.

A laryngoscope for use in viewing the vocal cords of a patient in performance of an endotracheal intubation includes a handle and a laryngoscope blade connected to the upper end of the handle to lift the patient's tongue and mandible for viewing the vocal cords and aid in the insertion of an endotracheal tube. The handle is bent or curved along its length with the lower end portion bent or curved inwardly towards the blade, and finger gripping indents are formed on the inner surface of the handle, along with a blade stop adjacent the handle to restrict contact between the blade and handle. A black light source may be carried by the blade.

The present invention relates to building material and is especially one kind of black light concrete for paving layer of bridge. The black light concrete features its ingredients including cement; steel fiber, polypropylene fiber, acrylic fiber, carbon fiber or the mixture of steel fiber and polypropylene fiber; fine aggregate; light aggregate; UEA expanding agent; polymer; block coloring agentand water.All the ingredients are mixed homogeneously and the mixture is spread onto the bridge floor. The present invention has cement as basic material; light aggregate to replace partial or even all broken stone and river sand for reduced dead weight; fiber, polymer and expanding ingredient to form interpenetrating network structure resulting in raised wear resisting, crack resisting and penetration resisting performance; and black coloring agent to match the color of the other bridge parts.

A passivation layer is formed by coating a flowable insulating material on the substrate where a thin film transistor and a storage capacitor electrode, and a pixel electrode is formed on the passivation layer. A portion of the passivation layer is etched using the pixel electrode as a mask to make a groove on the thin film transistor, and then a black matrix is formed by filling an organic black photoresist in the groove. To increase the storage capacitance, a portion of the passivation layer is removed or to form a metal pattern on the storage capacitor electrode. A flowable insulating material is used as a gate insulating layer to planarize the substrate. In the case of the etch stopper type thin film transistor, a photo definable material is used as the etch stopper layer to reduce the parasitic capacitance between the gate electrode and the drain electrode.

The invention belongs to the detection technology method for the surface discontinuity of metal and nonmetal workpieces, and particularly relates to an environment friendly water-based coloring-fluorescent double-sensitivity penetrant and the preparation method thereof. The penetrant adopts water as the primary solvent, and the other components of the penetrant mainly comprises a penetrating solvent, fatty alcohol amide, natural fatty alcohol polyoxyethylene ether, dyes, other additives, etc. The preparation method comprises the following steps: screening the raw material; metering; distributing the raw material; filtering; checking; bottling; etc. The penetrant has the advantages of high sensitivity and double-sensitivity, allows a crack with an opening width of 0.1Mum to be detected, and is applicable to observation in sunlight or under the irradiation of a black light lamp in a dark room. Since the water is adopted as the primary solvent, the penetrant has the advantages of environment friendly material, flame resistance, non-environmental pollution, safe application, low preparation cost, etc.

The invention relates to a reflection-type TFT (Thin Film Transistor) LCD (liquid crystal display) and a making method thereof. A light absorption layer is arranged below a reflection surface, rays can enter the light absorption layer below the reflection surface through a light absorption gap and can be absorbed by the light absorption layer without irradiating the upper surface of a driving part to cause the failure of the driving part. Accordingly, the light absorption layer can substitute a black light-shielding layer in the prior art, and a black border region is formed between two adjacent pixels. The pixel electrodes or the reflection layer is extremely thin, and the pattern making thereof has extremely high accuracy so that the pattern of the black border region also has extremely high accuracy. Moreover, the black border region and the pixel electrodes are formed on the same substrate, the problem of pattern pasting contraposition errors among different substrates is inessential, and contraposition errors of different film layers of the same substrate are generally very small so that the black border region can be designed very narrow to acquire a larger pixel reflection display area and an effective reflection area ratio.

The color ink-jetting print paper is produced with bleached sulfate needle leaved wood pulp, mechanical milled Italian poplar, bleached sulfate reel pulp or bleached broadleaf wood pulp and proper supplementary material and through making base paper, applying AKD glue, painting special paint, soft roller burnishing and finishing. The color ink-jetting print paper product has areal weight 70-100 g / sq m, black light density not lower than 1.2, drying time less than 20 s, color optical density not lower than 0.75, ink water dispersing time not less than 60 s, and whiteness higher than 88 %. Ithas high surface strength, and is level and smooth and results in images with bright color and clear netted points. It is suitable for color jetting printing.

A laryngoscope for use in viewing the vocal cords of a patient in performance of an endotracheal intubation. The laryngoscope includes a handle to be gripped by a medical professional in performing the endotracheal intubation; a blade portion extending from the handle to lift the patient's tongue and mandible for viewing the vocal cords and aid in the insertion of an endotracheal tube; a power source; and a black light source powered by the power source and carried by the blade portion to prompt the visible effects of fluorescence and phosphorescence with respect to the patient's vocal cords for viewing the vocal cords and passing of the endotracheal tube there between during endotracheal intubation.

A heat resistant black coating film which is capable of making the surface of optical members to be low reflection property and black property, a black light shading plate having a resin film using the same as a base substrate, and a diaphragm, a diaphragm device for light intensity adjustment and a shutter using the same, and heat resistant light shading tape.They are provided by a black coating film (A), where a titanium oxide film containing titanium and oxygen as main components, and having an oxygen content of from 0.7 to 1.4, as atomicity ratio O / Ti, is formed on an opaque or translucent substrate, characterized in that the titanium oxide film takes a constitution of fine columnar crystals assembled, where the longitudinal direction of the crystal extends in a film thickness direction, has protrusions at the film surface, and has a film thickness of equal to or thicker than 50 nm; and a black light shading plate, wherein the metallic light shading film (B), having a film thickness of equal to or thicker than 40 nm, is formed onto at least one surface of the substrate, and still more the black coating film (A) is laminated and formed on the surface of the metallic light shading film (B), or the like.

The invention discloses a dual-lens black light camera, which belongs to the technical field of low-illumination color imaging, and is used for solving the problem of poor nighttime color image quality of an existing low-illumination camera. The dual-lens black light camera adopts near-infrared light-supplementing illumination in case of low illumination, adopts a near-infrared anti-reflection lens and a single-color image sensor for photographing a near-infrared+visible light grayscale image, adopts a visible light lens parallel to an optical axis of the near-infrared anti-reflection lens anda color image sensor for photographing a visible light color image, performs denoising on the color image by taking the grayscale image as a guide, and then performs image detail and color fusion onthe grayscale image and the color image in a color and brightness separation space so as to obtain a low-illumination color image. The dual-lens black light camera can effectively improve the low-illumination color imaging quality and reduce the manufacturing cost of the camera.

A nondestructive system and method for aflatoxin detection based on red-orange fluorescence is described. A sorting plane is illuminated with a wide band black light source. At least one image of unsorted produce on said sorting plane is obtained. A red component of the at least one image is evaluated. Contaminated produce is determined based on the red component.

The embodiment of the invention provides a display panel and relates to the technical field of display. According to the display panel, color display can be achieved without a backlight source or colored filter layer. The display panel comprises pixel separating walls arranged between a first substrate and a second substrate, wherein the space between the first substrate and the second substrate is divided into a plurality of sub-pixel areas by the pixel separating walls, and a first electrode, a first fluid layer, a second fluid layer, a hydrophobic dielectric layer, a second electrode and a black light absorption layer are arranged in any sub-pixel area in sequence in the direction from the first substrate to the second substrate; the first fluid layer is formed by transparent hydrophilic liquid, the second fluid layer is formed by colored printing ink, the second fluid layer is spread on the surface of the hydrophobic dielectric layer when no electric field exists between the first electrode and the second electrode, and the second fluid layer contracts to make the hydrophobic dielectric layer exposed when an electric field exists between the first electrode and the second electrode.

In a black light unit, a light-guide plate is provided with a cone pattern to uniformly guide a light beam passing through a light input. A light-path converter controls a progress direction of the light beam in such a manner that the light beam outputted from the light-guide plate is progressed in a direction perpendicular to a liquid crystal panel. A diffusion sheet diffuses the light beam passing through the light-path converter into the liquid crystal panel. A reflection of the light-guide pattern and wall surface and the bright lines of the light input can be minimized. The light efficiency can be improved and the manufacturing cost can be reduced.