531results about How to "Increase the light area" patented technology

Presently, many variations of light treatment are used in health care. Prime examples are the in-vivo or ex-vivo photodynamic treatment (PDT) of skin diseases, cancer / tumors, psoriasis, mood disorders, bladder infections, promoting wound closure, recovering spinal cord injuries, and countering muscle / bone atrophy. PDT is a treatment that uses a drug, called a photo-sensitizer or photosensitizing agent, and a particular type of light. The invention relates to an improved PDT device.

An LED lighting module comprises an array luminous element and a bar-like light guiding structure. The array luminous element comprises a plurality of illuminants of top-emitting LEDs arranged in an array form. The bar-like light guiding structure surrounds two laterals of the array luminous element. The bar-like light guiding structure comprises a first curved surface and a second curved surface. The first curved surface and the second curved surface respectively descend toward the middle of the array luminous element from the two sides of the array luminous element, and meet above the middle of the array luminous element. The first curved surface and the second curved surface connect with each other at the plane with a certain angle and in tangency where the positive optical axis exists. The positive optical axis is the direction perpendicular to the plane on which the LEDs are mounted.

A lighted umbrella comprises a solar power device mounted on the top end of the shaft of the umbrella. A plurality of ribs is pivotally connected to the shaft. Each rib has a hollow interior in which an electrical wire can be stored. A slot is formed on each rib to accommodate two transparent light guiding rods that are disposed on the slot to form an opening space near the middle of the rib. A plurality of lighting devices is affixed on the rods through the opening space. Energy efficient devices such as light emitting diodes are used as the lighting devices to save energy provided by the solar power device. A fabric supported by the ribs forms the shelter for the umbrella.

A thin-film solar cell includes an optical conduction cylinder, a transparent electrically conducting layer evenly plated on an axially extending peripheral surface of the optical conduction cylinder, at least one middle reaction layer plated on a peripheral surface of the electrically conducting layer, and a reflective layer plated on a peripheral surface of the middle reaction layer. Thus, the reflective layer can reflect the sun light to prevent from permeation of the sun light so that the sun light is enveloped in the optical conduction cylinder completely and is reflected successively in the reflective layer until the solar energy is exhausted such that the thin-film solar cell can absorb the solar energy to the maximum extent to enhance the light enveloping effect largely and to enhance the generating efficiency of the thin-film solar cell.

Disclosed is a light emitting diode (LED) street lamp using an LED as a light source and capable of minimizing a luminance deviation within an illuminated area while increasing the luminance of the entire illuminated area. The LED street lamp includes a case provided at a front end of a lamp post; a board provided inside the case and having a plurality of LEDs spaced apart from each other; and heat dissipation units closely adhered to the board and dissipating heat generated when the LEDs emit light, wherein the plurality of LEDs have different luminance levels from each other, the luminance levels gradually increase from the center of the board to the edge of the board, and diffusing members diffusing the light generated from the plurality of LEDs are provided on board portions corresponding to areas between each of the plurality of LEDs.

The invention relates to a filter window for EUV lithography comprising a pellicle, a wire structure for supporting the pellicle, characterized in that the pellicle comprises a first layer comprising at least one of AlN, Ru, Ir, Au, SiN, Rh, C. A pellicle with these materials has a very low EUV absorption in combination with a minimal oxidation rate. In a particular embodiment, the thickness of the pellicle is between 30 nm and 100 nm. It can be easily checked that absorption of EUV radiation of such a thin pellicle is equal to known filter windows, i.e. about 50% at a wavelength of 13.5 nm wavelength, but the oxidation of the pellicle according to the invention is much smaller. The filter window can for example be used to separate a Projection Optics box and a wafer compartment of the apparatus or to shield a reticle from particle contamination.

The invention relates to a solar energy-saving street lamp belonging to technical field of public facility, comprising a base, a lamp stand, a lighting, a storage battery, a solar device and an automatic tracking controller. The lighting is connected with the lamp stand by a heat pipe arranged in the lighting. A plurality of lamp holders for holding lamp caps are formed on upper and lower surface of a supporting disk in the lampshade of the lighting; a reflector is arranged above the lighting and a plurality of heat pipes arranged in the supporting disk to conduct heat. The solar energy-saving street lamp has the advantages that a complex circuit pipeline is not needed to be laid due to the solar for power supply, construction is convenient and cost is reduced largely; a solar lighting system tracing light source automatically is windproof, dustproof and rain and snow prevention; drawback of bad heat dissipation of the LED lamp cap is solved effectively by a mode of downward heat transfer and heat dissipation; illumination area is enlarged by a mode of reflection lighting; intensity of self luminous light can be controlled automatically and energy is saved efficiently by a light intensity controller arranged on the lamp stand; theftproof mode is adopted in the storage battery and safety performance is high.

The invention discloses a high-yield cultivation method for kudzu roots, belonging to the technical field of crop cultivation. The high-yield cultivation method is characterized by mainly comprising the steps: cultivating kudzu seedlings; planting the kudzu seedlings; performing field management; harvesting the kudzu roots; reserving seeds for planting and the like. A cuttage breeding method is adopted for cultivating the kudzu seedlings; 1,000-1,300 kudzu seedlings are planted per mu during planting of the kudzu seedlings; the field management is performed with shelving, trimming and nutrient and water management as the core. Compared with the prior art, the high-yield cultivation method has the advantages that an intensive cultivation method is adopted, so that the kudzu seedlings grow strongly and have high stress resistance, the field management such as shelving and trimming is adopted, so that the illumination area of kudzu vines is increased, the photosynthesis is enhanced, meanwhile, the application of a root basal fertilizer and the application of a foliar fertilizer are of the same importance through a scientific fertilization method, the synthesis of kudzu rootstarch is promoted, and the yield is improved. The cultivation method is easy to operate and convenient to implement and has a good economic benefit.

An ultraviolet (UV) detector for detecting and verifying the authenticity of documents placed therein and exposed to UV light and white light backlighting. The UV detector includes a detector housing, and a viewing chamber having a viewing mirror mounted therein for viewing documents. The detector housing also includes a document insertion slot for inserting documents into the viewing chamber adjacent to the viewing mirror. The detector housing further includes an LED holder for holding one or more LED'S to provide a source of UV light in the viewing chamber which is transmitted to the viewing mirror and to the documents for identifying UV activated features on the documents. Additionally, the detector housing includes an LED and translucent member disposed therein for providing diffuse visible white light for identifying watermarks on the documents. A user looks into the viewing chamber for viewing the UV activated features and watermarks on the documents.

The present invention relates to an illuminating textile device. The illuminating textile device has a pattern layer and an optical fabric layer. The pattern layer has a transparent area and a non-transparent area. The optical fabric layer is woven from fiber optics and threads for providing the light source. The optical fabric layer is attached to the pattern layer by sewing or a fixation component.

The invention relates to an LED (Light-Emitting Diode) lens device, an LED lens device module and an LED lamp device. The LED lens device is used for covering the exterior of an LED and controlling the light direction of the LED and comprises a parabolic light-condensing bowl, a collimating lens and a facetted-eye lens system, wherein the collimating lens is arranged in the parabolic light-condensing bowl, and the facetted-eye lens system is arranged at the opening end of the parabolic light-condensing bowl; the focal point of the parabolic light-condensing bowl is coincided with that of the collimating lens; the LED is arranged at the focal point of the parabolic light-condensing bowl; one side of the collimating lens facing the LED is of a free curved surface; the facetted-eye lens system comprises a plurality of facetted-eye lenses which are in arrayed arrangement; the shapes of the facetted-eye lenses are of free curved surfaces; and the projection of the facetted-eye lenses along the axial direction of the parabolic light-condensing bowl is rectangular.

A lighted umbrella comprises a solar power device mounted on the top end of the shaft of the umbrella. A plurality of ribs is pivotally connected to the shaft. Each rib has a hollow interior in which an electrical wire can be stored. A slot is formed on each rib to accommodate two transparent light guiding rods that are disposed on the slot to form an opening space near the middle of the rib. A plurality of lighting devices is affixed on the rods through the opening space. Energy efficient devices such as light emitting diodes are used as the lighting devices to save energy provided by the solar power device. A fabric supported by the ribs forms the shelter for the umbrella.

The invention relates to a circular agriculture system and an implementation method thereof. According to a characteristic that different biological wastes can be highly efficiently cycled by various insects and small animals, an insect breeding factory is constructed; and insect and small animal proteasome and insect feces residue organic fertilizer are respectively utilized as an animal factory protein feed and a plant factory organic fertilizer. Therefore, carious animal and plant products with high added values can be produced with high yields. With modern advanced agricultural technologies and equipment, stereo cultivation is usually carried out with rare species, such that a unit yield of the types of factories reaches more than a hundred times that of conventional agriculture. With the products from the three types of factories, a wide variety of series downstream industry chain group can be developed, such that best economic benefit can be ensured. The three types of factories, downstream industry chain spaces and farmer residential spaces can be arranged in a rise building. The buildings can form a highly clustered production, management, residence, agriculture, industry and business integral community. With farmland novel industry and landscape designs outside the buildings, a novel intensive town is formed.

A light source apparatus for supplying a light guide device incorporated in an endoscope with a light beam is provided. A light emitting device of semiconductor, for example, laser diode generates the light beam. A light homogenizer homogenizes irradiance distribution of the light beam in a radial direction. A short focus lens is disposed between the light homogenizer and the light guide device, for enlarging a divergence angle of the light beam. Furthermore, the light homogenizer is a transparent light guide rod disposed to extend in an optical axis direction of the light beam. A diameter of the light homogenizer is constant in an optical axis direction thereof. The diameter of the light homogenizer is equal to or less than a diameter of the short focus lens.

The invention provides an active and passive combined annual phase-change energy storage room capable of being used all year around, wherein the energy storage room aims to enable a building applying phase-change materials to operate in an energy-saving mode, enable the wall body of the building to adjust the air in a room all year around and extract natural cooling capacity actively, improve the storage and efficiency, heat storage and discharge and heat storage efficiency and cooling efficiency of a phase-change wall board and improve the air quality in the room and the indoor comfort. The active and passive combined annual phase-change energy storage room capable of being used all year around comprises a roof lighting room body, a phase-change combined wall body, a water system and a ventilation system. The roof lighting room body comprises a wall body with the four light-proof faces and a light-transmitting roof for collecting light. The phase-change combined wall body comprises the phase-change wall board, mortar made of phase-change materials, a capillary network, a glass cover plate, an air flue and air inlet. The water system comprises a water cooling and heating device, a water storage device and a tail end device. The ventilation system comprises an air supply device, the air flue, the air opening and a corresponding sealing device. By means of the scheme, great significance is provided for increase of the utilization rate of new resources and the phase-change materials in the building.

The invention relates to optical probes for miniature applications, e.g. medical inspections and procedures or in industrial inspections, in particular a probe applying a confocal scanning-scanning endoscope. The probe comprises an optical guide (2), a first lens system mounted (4) on a distal end portion (2A) of the optical guide for focusing light from the optical guide, actuation means (6,7) for displacing the distal end portion and the first lens system to enable optical scanning, and a second lens system (9) fixed inside the probe to receive radiation from the first lens system. The second lens system is selected to enable a deflection of radiation from the first lens system in a direction corresponding to a direction of displacement of the first lens system by the actuation means. The second lens system can be a cheap negative lens, and the invention is thereby particularly useful for increasing the field of view (FOV) cheap, disposable optical probes.

The portable light is provided with an outer case 1, batteries 4 that can be charged and are housed inside the outer case 1, a solar panel 2 that charges the batteries 4, and a light source 3 illuminated by power from the batteries 4. The outer case 1 is provided with a flat-panel section 5 that contains the solar panel 2 and light source 3; and a battery compartment 6 that is thicker than the flat-panel section 5, is established protruding outward from the bottom edge of a flat-panel section 5 surface, and has a bottom standing surface 7 that enables the flat-panel section 5 to stand upright on its own.

In a ceramic electronic component having a thin structure, the occurrence of cracks due to stress applied when the ceramic component is being mounted or in a mounted state are prevented. Each of first and second external terminal electrodes has a substantially rectangular region on a principal surface of a ceramic element body, the principal surface being directed to the mounting surface side. An end of the first external terminal electrode, which is arranged in contact with a gap region, and an end of the second external terminal electrode, which is positioned in contact with the gap region, each preferably have a concave-convex shape on the principal surface.

The invention discloses a trellis type grape cultivation method, which is realized by leading and binding wires parallelly arranged between vertical posts in a grapery. Each grape tree grows a main vine which is led and bound to a first leading and binding wire; and young sprouts of the main vine are led and bound to at least two leading and binding wires above the first leading and binding wire. The cultivation method of the invention has the advantages of convenient management, reasonable space utilization, concreteness, effectiveness and convenient promotion and application.

This invention discloses a LED lamp, which comprises a radiator; a power supply having a power supply box; and a plurality of LED light sources electrically connected with the power supply; wherein the power supply is installed at the back of the radiator; and the power supply is covered by the power supply box which is fixedly secured on the back of the radiator. One end of the power supply box is movably connected with one end of the back of the radiator, and the other end of the power supply box is fixedly secured to the other end of the back of the radiator by fasteners. The LED lamp further comprises a lens module plate covering the LED light sources and sealing by a waterproof ring. This LED lamp can be easily dismounted and installed, whose structure is concise. And The LED lamp has the advantages of good waterproof effect and good heat dissipation, which can be extensively utilized for lighting.

The present invention provides a backlight unit including a light source and a light guide plate, wherein the backlight unit further includes a set of reflectors, the set of reflectors includes a first reflector and a second reflector, the first reflector is arranged at a side of the light guide plate, the second reflector is arranged at the back of the light guide plate, the light source is arranged below the first reflector, the first reflector is used for reflecting light emitted from the light source into the light guide plate, and light exits from the front of the light guide plate after being scattered by the light guide plate and being reflected by the second reflector. Correspondingly, a display device including the backlight unit is provided. The backlight unit has advantages of small thickness, increased effective illumination area, and various shapes.

A system, method, and method of manufacturing directed to an optical device with an efficient optical illumination. The optical illumination can be provided by tilting a light source and using a refractive lens to direct the light onto a surface. Alternatively, the optical illumination can be provided using total internal reflection with a conical light pipe and a curvatured entrance and exit surface.

The invention discloses a novel reaction device for preparing hydrogen through solar photocatalysis. A light source adopts sunshine gathered by a shaft type sun focuser; the shaft type sun focuser mainly comprises a linear paraboloid condenser and an automatic sun tracking system or only consists of a linear paraboloid condenser; a snake-shaped coil pipe type reactor is arranged at a center light spot of the linear paraboloid condenser; a circulating water cooling device is additionally arranged around the snake-shaped coil pipe type reactor. Under the action of the condensed sunshine, reaction liquid fully mixed with a catalyst is subjected to photocatalysis reaction in the snake-shaped coil pipe type reactor; generated hydrogen is finally subjected to detection and collection after being subjected to gas-liquid separation and being purified by a filter. The reaction system realizes full mixing of the catalyst and the reaction liquid on the premise of utilizing sunshine to the greatest extent and has the advantages of reasonable manufacturing cost, high reaction rate, convenience in operation and stable running.

A surface light source device includes a number of light sources, a first prism sheet and a second prism sheet. The light sources are distributed on a bottom plate of a housing. The first prism sheet and the second prism sheet are arranged above the light sources in that order. The light sources and the first prism sheets are spaced by a first predefined distance, and the first prism sheets and the second prism sheets are spaced by a second predefined distance. The light emitting surface of the first prism sheet includes a number of first diffusion structures, and the light emitting surface of the second prism sheet includes a number of second diffusion structures. Light beams emitted by the light sources are substantially diffused after passing through the first prism sheet and the second prism sheet and become surface light beams.

The invention discloses a star sky projection lamp. The star sky projection lamp comprises a light source, a focusing lens, a pattern piece, a beam splitting unit, a collimating lens and a reflectingmirror array arranged along a light way in sequence. The beam splitting unit can split one light beam into multiple sub light beams with different propagation angles; the different sub light beams arecollimated by the collimating lens to emit to the reflecting mirror array; and meanwhile, the reflecting mirror array comprises multiple small reflecting mirrors, so that the number of projection patterns is increased under the condition of limited number of the small reflecting mirrors in the reflecting mirror array, and the illuminating area is increased. Meanwhile, an LED is used as a light source, and a semi-spherical reflecting bowl is used for improving an LED light emitting surface, so that the defect of weak LED brightness can be solved.

An optical filter device includes a variable wavelength interference filter having a stationary substrate, a movable substrate, a stationary reflecting film, and a movable reflecting film, and a housing adapted to house the variable wavelength interference filter therein. The housing has a base substrate, a lid bonded to the base substrate, and forming an internal space between the base substrate and the lid, and a lid-side glass substrate adapted to block a light passage hole provided to the lid. Further, the lid-side glass substrate has a substrate edge located outside the outer peripheral edge of the light passage hole, and is bonded to the lid in an area extending from the outer peripheral edge of the light passage hole to the substrate edge.

The invention discloses a momordica grosvenori cultivation method and relates to the technical field of agricultural planting. The momordica grosvenori cultivation method comprises the steps of: selecting a land and digging planting pits; carrying out soil disinfection by quick lime; sufficiently applying a basic fertilizer required by growth of seedlings; planting the seedlings; building a traction shed frame; binding main stems to stick rods to lead the main stems to the shed frame; carrying out topping, bud picking and vine finishing; carrying out topdressing in good time; carrying out artificial pollination; timely carrying out disease control so as to improve the rate of seat fruit. Compared with the prior art, the momordica grosvenori cultivation method disclosed by the invention has the advantages that vines and rattans are avoided being excessively crossed and overlapped, so that an irradiation area of plant functional leaves is increased; yield of momordica grosvenori is improved, fruits are uniform in size and the fruits are high in quality.

Disclosed is a large-angle LED lens including a main body which has an incident surface on the inner side of the main body and an exit surface on the outer side thereof. The surfaces are provided symmetrically about the central axis of the main body. The incident and exit surfaces are transparent concave and convex surfaces, respectively. The maximum thickness d1 of the main body at the lower part and the minimum thickness d2 thereof at the top satisfy the relation: 4<d1 / d2<6; the concave depth h1 of the concave surface and the thickness d2 satisfy the relation: h1>4*d2; and the convex height h2 of the convex surface and the thickness d2 satisfy the relation: h2>5*d2. With the disclosure, the light-emitting angle is increased while maximizing the utilization of the light. A large-angle emission LED light source module is also disclosed herein.