32results about How to "No light loss" patented technology

The invention relates to a lens for a linear light source. The lens is provided with a top portion and a bottom portion, wherein the bottom portion comprises an incidence plane (1) and a first bearing surface (4a) and a second bearing surface (4b) positioned on two sides of the incidence plane (1), and the top portion comprises an emergent surface (2) and a total internal reflection surface (3). Viewed from a cross section, the emergent surface (2) is connected to the first bearing surface (4a), the total internal reflection surface (3) is connected to the second bearing surface (4b), one part of light rays of the linear light source is emitted onto the incidence plane (1) and emitted out after being reflected via the emergent surface (2), and the other part of the light rays is emitted onto the incidence plane (1) and emitted out via the emergent surface (2) after the total internal reflection by the total internal reflection surface (3). In addition, the invention further relates to an asymmetric light distribution lighting device comprising the lens.

The invention relates to the field of diffusion plates, in particular to a foaming light diffusion plate and a preparation method and application thereof. Compared with a chemical foaming agent, supercritical fluid is used for foaming to prepare the light diffusion plate, residues of toxic substances cannot be caused, meanwhile, the prepared light diffusion plate has excellent optical performance by controlling the introduction rate of the supercritical fluid, gathered point light sources can be homogenized, and the light diffusion plate has excellent haze; the maximum haze can reach 99.6%, the soft and uniform lighting effect can be achieved, meanwhile, the high light transmittance is achieved, the maximum light transmittance can reach 52.6%, and too high light loss cannot be caused; besides, the mass of the light diffusion plate is effectively reduced, the usage amount of raw materials is reduced, the production cost is reduced, meanwhile, the better mechanical strength is maintained, and the light diffusion plate has good impact resistance, smoothly passes an IK03 test and is wide in application prospect.

The invention provides a composite transparent fluorescent ceramic chip and preparing method for white LEDs, the composite transparent fluorescent ceramic chip is the integral structure of two or more small ceramic units connected in the cross section, the small ceramic unit is a light pixel, the light color of the each lighting pixel is more than two, after being excited by the LED chip, the composite transparent fluorescent ceramic chip emits white light. Compared with the existing technology, the different lighting pixel points are compound on the same ceramic chip according to the principle that the three base colors of red light, blue light and green light are mixed into white light, the problem of uneven dispersion of phosphor particles in organic materials, the scattering of surface light and the loss of red components, and the like are overcome, the technical scheme has the advantages of high conversation efficiency, high color index, long life, good heat stability and adjustable color temperature.

The invention discloses a projection imaging method and system based on red, green and blue LED light sources, belonging to the field of optical projection imaging. The method comprises the following steps of: forming a three-color rectangular primary color light beam by using a red LED light source module, a green LED light source module and a blue LED light source module; respectively and directly radiating a three-color LCD liquid crystal imaging plate to form a three-primary-color imaging light beam by using the three-color rectangular primary color light beam; and synthesizing the three-primary-color imaging light beam into colored imaging light rays through a three-primary-color light synthesizing module, and projecting and imaging through an imaging lens module. All LED light rays are converged at a center of a sphere to form a high-brightness convergent point light source by using the geometrical theory that the diameter of the sphere passes through the center of the sphere and the crown concave surface of the sphere as a base plate of the LED light source modules, and the technical problem of short-distance convergence of an LED matrix light source is solved. Compared with the prior art, a projector manufactured with the method has the characteristics of low color temperature, small quantity of infrared rays and ultraviolet rays, no damageable parts such as electrodes, filaments and the like, no light loss caused by a spectroscope, high brightness, long service life and the like.

In one half portion of one surface of a substrate there are formed in parallel V-grooves of the same depth, in which optical fibers and are disposed and positioned with their axes held at a height H1 with respect to the surface. The optical fibers and have lens portions formed integrally therewith at one end, and the end faces of the lens portions are tilted at an angle theta' from their axes. A beam splitter is mounted on the substrate on a center line between elongations of the optical fibers, and light emitted from the lens portion propagates through space and is launched in focused form into the beam splitter, and a portion of the incident light is reflected, which propagates space and is launched in focused form into the lens portion and propagates through the optical fiber. The light having passed through the beam splitter is launched into a light receiving element. By monitoring an electrical signal that is output from the light receiving element, it is possible to monitor the light propagating through the optical fiber.

The invention relates to an LED (Light Emitting Diode) light guide structure, which comprises a reflection seat body, an LED light source module and an optical fiber pipe, wherein the reflection seat body is provided with a hollow chamber; the wall surface of the hollow chamber is shaped into a non-acute angle shape; the LED light source module is fixed on the reflection seat body; the LED light source module comprises an LED positioned in the hollow chamber; one end of the optical fiber pipe is arranged in the hollow chamber; the other end of the optical fiber pipe extends out of the reflection seat body; therefore, the reflection times of the ray in the hollow chamber are increased; the loss of light, which is generated in the reflection process, is reduced; and the LED light guide structure serves as a good illumination lamp.

The invention is a thermosensitive resistance heating device, and its character: two sides of the thermosensitive resistance piece are connected with two electrode plates, which are connected with power supply, there is insulating layer in each electrode, and the insulating layer is packaged by metallic sealing pipe, one outer side of which is connected with a cooler, and the other one connected with an energy storage body. When acting as room heating electric radiator, it has no light loss, high thermal efficiency, remarkable saving energy effect, and when adopting room skirting board mode for disposition, it occupies a little space and simple to install.

Provided is a three-dimensional image capturing lens system having a structure in which left and right image sensing lenses are provided, and light is synthesized to form an image on a single CCD (charge-coupled device) in order to prevent loss of light intensity.

The invention discloses a plasma display panel and a plasma display device. The plasma display panel comprises a display area, a color film substrate and an array substrate which are oppositely arranged, and a display dielectric layer clamped between the color film substrate and the array substrate. The display dielectric layer comprises plasma and a plurality of retaining walls, the orthographicprojections of the retaining walls on the plane where the array substrate is located are closed graphs, and the plasma is arranged in containing space formed by the retaining walls on the array substrate. The display area comprises a plurality of sub-pixels, the retaining wall defines the sub-pixels on the array substrate, and at least one sub-pixel includes a color resistor arranged on the colorfilm substrate; the color resistor comprises a first hollowed-out part, and the orthographic projection of the first hollowed-out part on the plane where the array substrate is located is arranged inthe orthographic projection of the retaining wall on the plane where the array substrate is located. According to the plasma display panel and the plasma display device provided by the invention, theperiphery of the color resistor in each sub-pixel is closed, so that a problem of non-uniformity of the plasma display panel caused by light leakage is prevented, and the reflectivity can be improvedwhile color display is realized.

The object of the invention is to give a coloured, temperature-dependent appearance to the water flowing out of a hot-water fitting. For that purpose, three temperature ranges are formed and a colour is associated with each of the temperature ranges. The three ranges correspond to too cold, too hot and desired temperature ranges. A lever (4) is actuated to cause a water jet (20) to flow out of the fitting. Depending on the position of the lever (4), only cold water, only hot water or mixed proportions of cold and hot water flow into the mixing chamber (7). Depending on the temperature measured in the mixing chamber (7), a control block (13) drives diodes (17) arranged at the outlet of the hot-water fitting and having a colour which corresponds to the temperature range in question, causing the diodes to emit light. The water jet (20) flowing past the diodes (17) is illuminated with said colour. The user of the fitting can recognise the water temperature from the coloured appearance of the water jet (20) and if necessary correct it by actuating the lever (4).

The invention aims to provide a waterproof and foldable convection type warmer with a small volume, small energy consumption, a good security property, a large warming area, a fast heating speed, no oxygen consumption and no light consumption in a heating process, and high heat efficiency. The waterproof and foldable convection type warmer comprises a casing, a heating wire, an air outlet, a power knob and bottom feet below the casing. The casing comprises a front casing and a rear casing, wherein the front casing is connected with the rear casing through a folding bar, and the folding bar consists of an annular buckle, a shaft and a connection point. The front casing is provided with a left stand column, and the rear casing is provided with a right stand column. The air outlet is arranged above the front casing and is composed of a plurality of rectangular air outlet grids. The heating wire is located at the lower part of the front casing. A protection cover is arranged at the right side of the left stand column of the front casing, and the power knob is arranged in the protection cover, passes through the left stand column and protrudes on the left side of the left stand column.

The present invention relates to a slit light source and a vision inspection apparatus including the same, and more particularly, to a slit light source that generates slit-shaped light and irradiatesthe slit-shaped light onto an irradiation target, and the vision inspection apparatus including the slit light source. Disclosed is the slit light source (20), which is characterized by comprising: alight source unit (100) that generates light; an optical system (200) that condenses the light generated from the light source unit (100) at a preset magnification to form slit light, wherein the optical system (200) comprises: a parallel light forming lens unit (210) for converting light emitted from the light source unit (100) into parallel light; and a condensing lens unit (220) that condensesthe light passing the parallel light forming lens unit (210).

The invention provides an LED (light-emitting diode) high pole street lamp, comprising a housing, LED light-emitting modules, secondary optical lens modules, a hinge mounting head, a connecting rod, a fastening hinge and a lithium battery, wherein the housing is a straightly grooved aluminum alloy housing, and each LED light-emitting module comprises an LED light source assembly; the straight groove face of the housing is a light-emitting face, and the LED light source assemblies are fixedly arranged on the light-emitting face in an array; the secondary optical lens modules are arranged on the peripheries of the LED light source assemblies, and the hinge mounting head is fixedly arranged at one end of the housing and is connected with the fastening hinge through the connecting rod; the lithium battery is connected with the LED light-emitting module. According to the LED high pole street lamp provided by the invention, the conversion efficiency and utilization ratio of a light source are fully improved, so that the power consumption of the product is lower than that of similar products; the characteristics of good heat dissipation, low wind resistance, strong wind resistance, light weight and the like are structurally achieved, and the street lamp can be combined and used more flexibly and reliably.

The objective of the present invention is to provide an illuminating device which uses one illuminating light source to supply an amount of light onto an object being detected, to create a detection image which is bright overall and which has no parts in shadow. A light source required to illuminate the object being detected from above and below is shared, and the object being detected is illuminated by the light from the illuminating light source being received by a plurality of reflectors and divided to form upward illuminating light and downward illuminating light. Further, optical paths ofat least some light beams from the illuminating light source are reflected by a refracting mirror and are then caused to be incident on the reflectors. In this way, the number of illuminating light sources can be reduced without causing a reduction in the amount of light, and a reduction in the size of the overall illuminating device can be achieved. Furthermore, by employing a concave curved mirror reflector consisting of a plurality of concave curved partial surfaces having different curvatures, the object being detected is present in an illuminated zone even if a fall trajectory of the object being detected deviates from an assumed fall trajectory, and therefore a shadow does not occur in a detection image obtained using a camera, and the image itself does not become dark. As a result,a deterioration in detection accuracy can be prevented.

The invention is a thermosensitive resistance heating device, and its character: two sides of the thermosensitive resistance piece are connected with two electrode plates, which are connected with power supply, there is insulating layer in each electrode, and the insulating layer is packaged by metallic sealing pipe, one outer side of which is connected with a cooler, and the other one connected with an energy storage body. When acting as room heating electric radiator, it has no light loss, high thermal efficiency, remarkable saving energy effect, and when adopting room skirting board mode for disposition, it occupies a little space and simple to install.

The invention aims to provide a waterproof and foldable convection type warmer with a small volume, small energy consumption, a good security property, a large warming area, a fast heating speed, no oxygen consumption and no light consumption in a heating process, and high heat efficiency. The waterproof and foldable convection type warmer comprises a casing, a heating wire, an air outlet, a power knob and bottom feet below the casing. The casing comprises a front casing and a rear casing, wherein the front casing is connected with the rear casing through a folding bar, and the folding bar consists of an annular buckle, a shaft and a connection point. The front casing is provided with a left stand column, and the rear casing is provided with a right stand column. The air outlet is arranged above the front casing and is composed of a plurality of rectangular air outlet grids. The heating wire is located at the lower part of the front casing. A protection cover is arranged at the right side of the left stand column of the front casing, and the power knob is arranged in the protection cover, passes through the left stand column and protrudes on the left side of the left stand column.

The invention relates to a PTC water heater (one or more water liners) and relates to technical field of water heaters. The upper water liner and the lower water liner are arranged in a shell; a water liner connecting pipe is arranged between the upper water liner and the lower water liner; heat preservation layers are arranged between the upper water liner and the shell as well as between the upper water liner and the shell; a left end shell body and a right end shell body are arranged on the left side and the right side of the shell; a PTC controller is arranged on the right end shell body; a water level sensor and a temperature sensor are arranged in the upper water liner; a hot water outlet, a sewage draining outlet and a cold water inlet are formed in the bottom end of the lower water linear; a PTC heating device and a circulating pump are fixed to an ABS plastic piece on the right side; and the upper water liner and the lower water liner are connected through a stainless steel corrugated pipe, and the PTC heating device and the circulating pump are connected through a stainless steel corrugated pipe. The PTC water heater (one or more water liners) has the advantages of being high in heat efficiency, low in power consumption, high in temperature increasing speed, free of light consumption and open fire, long in service life and convenient to mount and use.

The invention is concerned with the bundle and packaging method of LBD. It formed by a couple of isolated exterior derivation connection ends, and there is a cup-shaped down-lead frame of baffle-board at the end of one connection end, and a LBD connects with the baffle-board of the said down-lead frame. The LBD connects with the wire of exterior derivation connection end of the down-lead frame in type of electricity connection. There is macromolecule resin to protect the LBD and the organic and un-organic mixed phosphor grain with organic phosphor molecule in the multi-hole un-organic grain of chemic matter ejected to the baffle-board. It also owns a molding part to protect and mold the said macromolecule resin, wire, a part of macromolecule resin and down-lead frame. Because the ejected LBD owns the macromolecule resin for dispersing organic and un-organic mixed phosphor grain of the organic phosphor, the decentralization is easy to get white light with high brightness and high efficiency to keep the safety of organic phosphor without lose of light.

The invention discloses a coupling lens easy to reduce light error after assembly, comprising a coupling lens body and a VCSEL laser, the coupling lens body is respectively provided with an incident lens and an emergent lens, the coupling lens body is provided with a reflecting surface used for total reflection of a light path between the incident lens and the emergent lens, and the incident lens and the emergent lens are arranged on the coupling lens body. Light emitted by the emergent lens is totally reflected by the reflecting surface and then is focused by the incident lens to form a focus plane. According to the invention, the VCSEL and the optical monitoring PD which are arranged in a high-low staggered manner are utilized to realize accurate full-coverage type VCSEL laser optical path receiving and small-part diffusion energy type optical monitoring PD optical path receiving of an optical path, so that stable and efficient irradiation of the optical path in the coupling lens body can be maintained; the internal structure of the coupling lens body between the VCSEL laser and the emergent lens is simple and flat, the coupling lens body is easy to process, produce and use, optical loss cannot be caused, and the functionality and the coupling effect of the coupling lens are improved.

The invention provides a light source device, which can prevent surfaces of an electric discharge lamp and a reflecting mirror from producing white spots caused by siloxane, inhibit light quantity decline, and maintain service life of the lamp. The light source device is provided with the electric discharge lamp and the reflecting mirror, wherein a pair of electrodes is arranged in an illuminating part, and sealing parts are formed at two ends of the illuminating part; the reflecting mirror comprises a reflecting part and a head projecting from a central bottom, the interior of the head is provided with a narrow part beginning from the reflecting part and a communicating hole formed by a concave part connected with the narrow part, one sealing part of the electric discharge lamp is inserted into the communicating hole and fixed by adhesive filled at the concave part, a lateral surface connecting the narrow part and the concave part forms an abutting surface vertical to a tubular axle of the electric discharge lamp, and the lateral surface comprises a first gasket inserted into the sealing part and abutted with the abutting surface and a second gasket inserted into the sealing partand abutted with the first gasket, wherein the inside diameter of the first gasket is the outside diameter of the sealing part, the outside diameter is smaller than the diameter of the concave part, the inside diameter of the second gasket is larger than the outside diameter of the sealing part, and the outside diameter is diameter of the concave part.

The invention discloses a backlight source module, including: metal base, bottom reflective film, CCFL, optical patch group, in which the metal base has a number of punching grooves corresponding to CCFL distribution location, and CCFL is placed in the punching groove. Among them, the reflective film is embedded at the bottom of CCFL in the punching groove, and the reflective film material is white rubber material with strong endothermic ability, and the surface reflection rate is considerable as the reflection rate of the bottom reflective film, and the reflective film surface close to the groove bottom is coated by the metal material with high thermal conductivity. The invention can reduce the backlight source module internal temperature, and improve the structural cooling performance; and, it can minimize the temperature difference along the lamp axis.

The invention relates to a low-power LED lamp bead which comprises an LED luminous chip. The LED luminous chip is located at the center of a lens and the internal center of a shell through a support and connected with pins. The lens is a double-end semi-permeable mirror, is in a semi-hump shape, and is integrated with the shell. The lens is oval when overlooked. The photometric characteristic of the LED lamp bead can be corrected and improved, a road surface can be more even, it is guaranteed that the illumination can not be substantially attenuated, the requirement for a photometric curve required by the national roadway lighting standard can be met, and the effective utilization rate of light can be increased. The lighting efficiency of an LED street lamp and a tunnel lamp can be improved, and the electricity consumption of the LED street lamp and the tunnel lamp can be reduced.

The invention relates to a warming device, in particular to an electric hot-water warmer. A PTC (positive temperature coefficient) heater is used to heat circulating water, hot water radiates through a radiator, and heat cycles rapidly under the condition of the strong blowing of a fan. The heat efficiency is far higher than that of natural convection radiation of the conventional radiator, and the radiation efficiency is high.