30 results about "Visible Radiations" patented technology

A method for harvesting water includes contacting a nanoporous carbon (NPC) material with a stream of humid atmospheric air, thereby at least partially absorbing water in the form of molecules on surfaces and pores of the NPC material to form a sample, releasing the water from the sample by thermally heating the sample or exposing the sample to ultraviolet-visible (UV-Vis) radiation; and collecting the water. A method of making the NPC material by calcining one or more petroleum feedstocks is also disclosed.

The invention provides a light generating device (1000) comprising a light source (10) and a luminescent element (20), wherein:—the light source (10) is configured to generate the first radiation (11); wherein the light source (10) comprises a laser light source;—the luminescent element (20) comprises (i) a plurality of element bodies (200) and (ii) a thermally conductive support (400); wherein the plurality of element bodies (200) comprises a plurality of first bodies (210) and a plurality of second bodies (220);—the plurality of first bodies (210) comprise a luminescent material (50), wherein the luminescent material (50) is configured to convert at least part of first radiation (11), selected from one or more of UV radiation and visible radiation, into luminescent material light (51); wherein the first bodies have a first thermal conductivity K1; wherein the first bodies (210) are configured in a light receiving relationship with the light source (10);—the plurality of second bodies (220), different from the first bodies (210) are light transmissive for one or more wavelengths of the first radiation (11) and the luminescent material light (51); wherein the second bodies (220) have a second thermal conductivity K2, wherein K2≥0.2*K1;—the plurality of first bodies (210) and the plurality of second bodies (220) are configured in a 2D arrangement (205), wherein for a plurality of second bodies (220) applies that they are configured adjacent to different first bodies (210); and—the plurality of first bodies (210) and second bodies (220) are configured in thermal contact with the thermally conductive support (400).

A wireless hands-free portable headset computer with a micro display arranged near but below a wearer's eye in a peripheral vision area not blocking the wearer's main line of sight. The headset computer can display an image or portions of an image, wherein the portions can be enlarged. The headset computer also can be equipped with peripheral devices, such as light sources and cameras that can emit and detect, respectively, visible light and invisible radiation, such as infrared radiation and ultraviolet radiation. The peripheral devices are controllable by the wearer by voice command or by gesture. The headset computer also can be broken down into component parts that are attachable to another article worn by an individual, such as a helmet or respirator mask.

An apparatus (100) for optically characterizing a textile sample (106) includes a display subsystem (102) including an observation window (108). A radiation subsystem (114) includes a radiation source (120) for directing first, ultraviolet radiation (122) and second, visible radiation (123) toward the sample (106) and causing the sample (106) to produce fluorescent radiation (124) and reflected radiation (125). A sensing subsystem (126) includes an imager (130) for capturing the fluorescent radiation (124) and reflected radiation (125) in an array of pixels (408). A control subsystem (132) includes a processor (136) for controlling the display subsystem (102), the radiation subsystem (114), and the sensing subsystem (126), and for generating a fluorescent and reflected radiation image (400) containing both spectral information and spatial information about the fluorescent radiation (124) and the reflected radiation (125).

A composition for the adhesion of biological tissues to one another, for the adhesion of a material to a biological tissue, for the adhesion of an adhesive or of a substance to the surface of a biological tissue, for blocking an orifice in a biological tissue, for reinforcing a biological tissue and / or for fixing and stabilising a biological tissue, characterized in that it comprises a monomer that is polymerisable under the effect of ultraviolet (UV) or near visible radiation and in that the viscosity of said composition is less than 40 mPa·s at 20° C.

A receiver includes at least one detector macro-cell. Each of the at least one detector macro-cell includes a first detector, configured to capture first invisible radiation emitted from a first source and reflected by an object, a second detector, configured to capture first visible radiation reflected by or originating from the object, a third detector, configured to capture second visible radiation reflected by or originating from the object, and a fourth detector, configured to capture third visible radiation reflected by or originating from the object. The first visible radiation, the second visible radiation, and the third visible radiation may be red, green, and blue, respectively; alternatively red, green, and yellow, respectively; or alternatively cyan, magenta, and yellow, respectively. The first detector to the fourth detector are arranged in a first array to constitute one detector macro-cell.

The invention provides a reactor assembly (1) comprising a reactor (30), wherein the reactor (30) is configured for hosting a fluid (100) to be treated with light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation, wherein the reactor (30) comprises a reactor wall (35) which is transmissive for the light source radiation (11), wherein: the reactor (30) is a tubular reactor (130), and wherein the reactor wall (35) defines the tubular reactor (130); the tubular reactor (130) is configured in a tubular arrangement (1130); the reactor assembly (1) further comprises a reactor support element (40), wherein the reactor support element (40) comprises a track (42), wherein the track (42) partly encloses the tubular reactor (130), wherein the reactor support element (40) comprises a thermally conductive element (2), and wherein the tubular reactor (130) is configured in thermal contact with the thermally conductive element (2).

The disclosed methods integrate EMI shielding with visible-to-IR or IR photodetection functionalities in flexible semiconductor / 2D material devices, including photodiodes and photoconductive detectors. The processes generally involve transferring a 2D material onto a semiconductor membrane, depositing dielectric layers for electrical isolation and material protection, patterning windows and electrodes using photolithography and etching techniques, and forming top and bottom electrical contacts through metal deposition and lift-off processes. Additional steps include fabricating contact pads on a flexible receiving substrate, bonding the multifunctional material stack to the substrate, and releasing the structure through selective wet or dry etching of a sacrificial layer. The released device is then transferred, often via deionized water, and adhered to the flexible substrate, producing a mechanically flexible, multifunctional nanosheet capable of both electromagnetic interference shielding and infrared or broadband photodetection.

Method for producing a sensor comprising a layer system (100) for the upconversion of near-infrared and / or visible radiation, the method comprising: - forming a, preferably two-dimensional, photonic crystal (110) having a first (111) and a second side (112) by means of nanoimprint lithography; - applying an upconversion material (120) to the first side (111) and / or the second side (112) of the photonic crystal (110), wherein the upconversion material (120) contains a first lanthanide, wherein the first lanthanide is preferably neodymium or ytterbium; and wherein the upconversion material (120) contains a second lanthanide, wherein the second lanthanide is preferably selected from the group consisting of erbium, thulium and holmium.

The invention provides a photoreactor assembly (1000) comprising (i) a light source arrangement (700), (ii) a photochemical reactor (200), and (iii) a lightguide body arrangement (500); wherein: the light source arrangement (700) comprises one or more light sources (10); wherein the one or more light sources (10) are configured to generate light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation; the lightguide body arrangement (500) comprises a lightguide body (550) and a light escape face (571); wherein the lightguide body (550) comprises a first lightguide part (551) and a second lightguide part (552); wherein the lightguide body (550) and the light source arrangement (700) are configured such that at least part of the light source radiation (11) that enters the lightguide body (550) via the first lightguide part (551) escapes from the lightguide body (550) via the second lightguide part (552); wherein the light escape face (571) is (a) configured downstream of the second lightguide part (552) or (b) is comprised by the second lightguide part (552); the photochemical reactor (200) comprises a reactor chamber (210) configured to host a first fluid (5) to be treated with the light source radiation (11); wherein the photochemical reactor (200) comprises a reactor chamber wall (220) enclosing at least part of the reactor chamber (210); wherein the photochemical reactor (200) comprises a spinning disk reactor (201), wherein the spinning disk reactor (201) comprises a disk (250) at least partly configured in the reactor chamber (210); and the lightguide body arrangement (500) (a) penetrates the reactor chamber wall (220) at least partly into the reactor chamber (210) or (b) provides part of the reactor chamber wall (220).

The invention relates to a method for shaping keratin fibres, in particular the hair, comprising a step with the object of subjecting a tensioned strand of hair to illumination: exposing the keratin fibres to optical radiation having an emission maximum in the wavelength range of 280 nm and 650 nm, characterized in that the hair strand is exposed to light radiation having an emission maximum in the wavelength range of 280 nm and 650 nm, and in that the hair strand is exposed to light radiation having an emission maximum in the wavelength range of 280 nm and 650 nm. The keratin fibers to be treated receive an irradiance greater than or equal to 1 W / cm and less than or equal to 50 W / cm < 2 >.

A method of photografting organic molecules to a metal oxide comprising: (a) contacting a substrate having a metal oxide layer on a surface thereof with an acrylate, derivative thereof or a photolabile functional group; and (b) exposing the metal oxide layer and the acrylate, derivative thereof or photolabile group to UV or visible radiation to form covalent bonds between the metal oxide and the acrylate, the derivative thereof or the photolabile.

A multi-layer coating system includes: a first coating layer formed from a first coating composition including: a film forming resin; and a fluorescent and / or phosphorescent pigment that: (1) emits radiation at an emission wavelength in the range of from 400-1200 nanometers when excited by ultraviolet and / or visible radiation corresponding to an excitation wavelength of the fluorescent and / or phosphorescent pigment; and / or (2) emits radiation at an emission wavelength in the range of from 600-2500 nanometers when excited by visible and / or near infrared radiation corresponding to an excitation wavelength of the fluorescent and / or phosphorescent pigment; and a second coating layer disposed over at least a portion of the first coating layer, which is formed from a second coating composition including: a film forming resin; and a pigment that blocks radiation corresponding to the excitation and / or emission wavelength of the fluorescent and / or phosphorescent pigment in the first coating layer.

The present invention relates to a topical composition creating a photonic barrier from ultraviolet radiation to visible radiation, comprising bismuth oxide colloids Bi2O3 in crystalline form doped with a metal.

The invention relates to a Low-E coated glass comprising a glass substrate (10) and, on the glass substrate, a multilayer stack of coatings arranged for solar control. The Low-E coated glass comprises a single metallic layer (40) that is absorptive in the visible radiation spectrum and located within the interior of the stack, at least one dielectric layer (20), and at least one nucleation layer (30), wherein the ratio of the thickness of the dielectric layer (20) to the thickness of the nucleation layer (30) is in the range of 0,05 to 8,5, and the solar transmittance (%g) of the double glazing according to EN 410 is in the range of 27% to 62%.

The present invention relates to a topical composition creating a photonic barrier from ultraviolet radiation to visible radiation, comprising bismuth oxide colloids Bi2O3 in crystalline form doped with a metal.

A solar reflective coating includes a reflective layer and a black layer overlying the reflective layer, where the black layer includes active particles dispersed throughout a matrix. Example active particles include phosphor microcrystals adapted to reflect incident non-visible radiation and convert incident visible radiation to non-visible radiation.

The invention provides a photoreactor assembly (1000) comprising a reactor (200) and a light source arrangement (1010); wherein: the light source arrangement (1010) comprises a plurality of light sources (10) configured to generate light source radiation (11) selected from one or more of UV radiation, visible radiation and IR radiation, wherein each light source (10) comprises a light emitting surface (12); the reactor (200) is configured for containing a fluid (5) to be treated with the light source radiation (11), wherein the reactor (200) comprises one or more reactor walls (210), wherein at least one of the one or more reactor walls (210) defines a wall cavity (220) and is configured to be in a radiation receiving relationship with the plurality of light sources (10); wherein at least one of the one or more reactor walls (210) is transmissive for the light source radiation (11); wherein one or more of the light sources (10) is at least partially configured in the wall cavity (220), whereby the light emitting surface (12) is within the wall cavity (220), and at least one of the one or more reactor walls (210) at least partially encloses the light emitting surface (12).

This invention relates to a method for projecting a visual object (22) onto the surrounding environment (12) of a movable device (10), particularly a vehicle, comprising: - injecting an electromagnetic radiation pulse (32) in the visible spectrum into the surrounding environment (12), wherein the radiation pulse (32) has a temporal frequency distribution over its pulse duration (T2), which causes the pulse duration to shorten due to dispersion as it propagates in the surrounding environment (12). Furthermore, this invention relates to an apparatus for carrying out such a method and a vehicle including such an apparatus.

Hair Shaping Method Using UV-Visible Radiation The present invention relates to a method for shaping keratin fibers, particularly hair, comprising the steps of subjecting a strand of hair under tension to illumination: exposing said keratin fibers to light radiation having a maximum emission in a wavelength range between 280 nm and 650 nm, the method being characterized in that the keratin fibers to be treated receive an illumination energy greater than or equal to 1 W / cm² and less than or equal to 50 W / cm². Figure for the abstract: Fig 2

The invention provides a photoreactor assembly (1000) comprising a photochemical reactor (200) and a light source arrangement (700); wherein the light source arrangement (700) comprises (i) a plurality of light sources (10) configured to generate light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation, and (ii) a support arrangement (710) for the one or more light sources (10); wherein the photochemical reactor (200) comprises a first region (210) comprising a flow reactor system (215) configured to host a fluid (5) to be treated with the light source radiation (11), and a second region (220) comprising a fluid channel system (225), which is not in fluid contact with the flow reactor system (215), and which is configured for temperature control of one or more of the photochemical reactor (200) and the light sources (10); wherein the first region (210) and the second region (220) are configured in thermal contact with each other or form a (monolithic) body; wherein the photochemical reactor (200) comprises a light transmissive material (211) that is transmissive for the light source radiation (11); wherein the support arrangement (710) is configured in thermal contact with the second region (220); wherein one or more of the second region (220) and the support arrangement (710) provide light source cavities (1050) for hosting at least part of the light sources (10); wherein the plurality of light sources (10) are configured to irradiate at least part of the flow reactor system (215) via the light transmissive material (211); and wherein the light sources (10) are in thermal contact with the second region (220) via the support arrangement (710).

An apparatus (100) for optically characterizing a textile sample (106) comprises a presentation subsystem (102) comprising a viewing window (108). A radiation subsystem (114) comprises a radiation source (120) for directing a first, ultraviolet radiation (122) and a second, visible radiation (123) toward the sample (106), and causing the sample (106) to produce a fluorescent radiation (124) and a reflected radiation (125). A sensing subsystem (126) comprises an imager (130) for capturing the fluorescent radiation (124) and the reflected radiation (125) in an array of pixels (408). A control subsystem (132) comprises a processor (136) for controlling the presentation subsystem (102), the radiation subsystem (114), and the sensing subsystem (126), and for creating a fluorescent and reflected radiation image (400) containing both spectral information and spatial information in regard to the fluorescent radiation (124) and the reflected radiation (125).

The invention describes a vehicle display device equipped with a camera, in which a display comprising MiniLEDs or MicroLEDs is used as display unit. Displays with this active light-emitting design usually have a light-transmitting property due to their structural properties. This light-transmitting property can be advantageously used to take an image of the area (34) in front of the camera by means of a camera (26) arranged behind the display. When taking the camera image with visible light, the light emitted by the display or the display unit (18) can be prevented from interfering with the camera recording by activating the camera (26) and the display unit (18) at different times. Alternatively, the maximum sensitivity spectrum of the camera (26) can be set different from the light output spectrum of the display unit (18). Furthermore, it is also possible to use invisible radiation, for example infrared radiation, for the camera imaging, so that reflections of the light emitted by the display unit (18) in the area (34) in front of the display device (10) are separated from the effective reflections of this area (34) that the camera (26) needs to capture.

The present invention provides a photoreactor assembly (1) comprising a reactor (30), wherein the reactor (30) is configured for containing a fluid (100) to be treated using light source radiation (11), the light source radiation (11) being selected from one or more of UV radiation, visible radiation and IR radiation, wherein the reactor (30) comprises a reactor wall (35) that transmits the light source radiation (11), wherein (i) the reactor (30) is a tubular reactor (130), and wherein the reactor wall (35) defines the tubular reactor (130); (ii) the tubular reactor (130) is configured to be in a tubular arrangement (1130); (iii) the photoreactor assembly (1) further comprises a light source arrangement (1010), the light source arrangement (1010) comprising a plurality of light sources (10) configured to generate the light source radiation (11), wherein the reactor wall (35) is configured to be in a radiation receiving relationship with the plurality of light sources (10); and (iv) one or more of the tubular arrangement (1130) and the light source arrangement (1010) define a polygon (50).

The present invention relates to a local composition for producing a light shield in the ultraviolet to visible radiation range comprising bismuth oxide colloid Bi2O3 in a metal-doped crystalline form.

Procedure for adjusting a lighting device for a motor vehicle, comprising the following steps: - Emission of electromagnetic radiation visible and invisible to humans, wherein the visible radiation is sufficiently strong to illuminate a roadway in front of the motor vehicle so that a driver of the motor vehicle can recognize obstacles and unevenness in the dark; - Detection of a beam direction of non-visible electromagnetic radiation; - Adjustment of the beam direction of the non-visible and the visible electromagnetic radiation depending on the detected beam direction; wherein the illumination device comprises an LCD aperture (200) consisting of several segments, each of the segments being able to assume two states, wherein in a first state both the visible and the non-visible electromagnetic radiation is transmitted, wherein in a second state both the visible and the non-visible electromagnetic radiation is blocked, characterized in that a pattern (300; 400) is set on the LCD aperture (200) by switching some of the segments of the LCD aperture into the second state.

The invention provides a photoreactor assembly (1000) comprising (i) a light source arrangement (700), (ii) a photochemical reactor (200), and (iii) an induction based electrical power system (800); wherein: —the light source arrangement (700) comprises one or more light sources (10), wherein the one or more light sources (10) are configured to generate light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation; wherein the light sources (10) comprise solid state light sources; —the photochemical reactor (200) comprises a reactor chamber (210) configured to host a first fluid (5) to be treated with C the light source radiation (11); wherein the reactor chamber (210) is configured in a light-receiving relationship with the one or more light sources (10); —the photochemical reactor (200) comprises a spinning disk reactor (201), wherein the spinning disk reactor (201) comprises a disk (250) at least partly configured in the reaction chamber (210); —the induction based electrical power system (800) comprises an electrical power transmitter-receptor pair (810), which comprises an electrical power transmitter (820) and an electrical power receptor (830), wherein the electrical power receptor (830) is functionally coupled to the light source arrangement (700).

The present invention relates to a topical composition creating a photonic barrier from ultraviolet radiation to visible radiation, comprising bismuth oxide colloids Bi2O3 in crystalline form doped with a metal.

The invention relates to a plasma visible radiation power measurement system and method, belongs to the technical field of visible radiation performance measurement, and solves the technical problems of insufficient linear dynamic range, low sensitivity and incapability of quantitative measurement in visible radiation power measurement. The measuring system comprises a vacuum pipeline, a diaphragm, a quartz vacuum sealing window, a reflecting mirror, an electromagnetic shielding box, a signal synchronizing and recording module, a photoelectric detector, a beam splitting type optical fiber bundle, an optical filter, an optical attenuation piece and a storage module. The measuring method comprises the steps that the plasma radiation source to be measured emits visible light and a trigger electric signal, the visible light is transmitted to the photoelectric detector through the diaphragm, the quartz vacuum sealing window, the reflector, the beam splitting type optical fiber bundle, the optical filter and the optical attenuation piece, the trigger electric signal triggers the data acquisition unit to receive an electric signal of the photoelectric detector, and the electric signal is stored in the storage module.

Disclosed are liquid radiation-curable compositions suitable for hybrid (i.e., cationic and free radical) polymerization when processed through an additive manufacturing apparatus utilizing an actinic radiation source having a peak spectral intensity in the UV / Vis region. According to one aspect, the composition has a first photoinitiator that is an iodonium salt of a non-fluorinated borate anion. According to another aspect, the composition is substantially free of Norrish Type I and / or Type II photoinitiators. Also disclosed are methods for manufacturing three-dimensional parts using a liquid radiation-curable composition suitable for hybrid polymerization through an additive manufacturing process utilizing an actinic radiation source having a peak spectral intensity in the UV / Vis region, as well as parts cured by the methods.