42results about How to "Increase reflection angle" patented technology

The present disclosure provides an edge-type backlight module including a back cover, a LED light source and a light guide plate. The back cover includes a bottom plate and a plurality of sidewalls. The LED light source with at least one LED is fixed on the bottom plate. The light guide plate is arranged in the back cover, which includes a light incident portion and a reflective portion. The reflective portion is obliquely arranged relative to the bottom plate of the back cover. The light incident portion defines a groove and is configured to receive the LED light source. The reflective potion includes a mirror-like reflective portion and a diffusion reflective portion. The diffusion reflective portion faces at least one LED.

The invention provides a motorcycle headlamp structure, and belongs to the technical field of motorcycle assembling. The motorcycle headlamp structure comprises a headlamp support, a headlamp fixedly arranged in the middle of the headlamp support and reflector supports arranged on the two sides of the headlamp support respectively. A steering lamp is fixedly arranged below each reflector support. The headlamp comprises a headlamp shell, a lampshade fixed to the headlamp shell in a clamped mode and a headlamp light-emitting assembly arranged between the headlamp shell and the lampshade. The headlamp light-emitting assembly comprises a headlamp body arranged in the middle of the headlamp shell and at least one reflective strip located above the headlamp body and in a transparent shape. The head end and the tail end of each reflective strip are connected with the inner side wall of the headlamp shell, and headlamp LED lamps are arranged at the head ends of all the reflective strips. The steering lamps comprise rear shells, transparent front covers fixed to the rear shells in a clamped mode and steering light-emitting assemblies arranged between the corresponding rear shells and the corresponding front covers. The motorcycle headlamp structure has the advantages of being reasonable in layout and good in use performance.

The invention relates to an optical imaging alignment measurement device, which can carry out high-precision determination on relative positions of two objects. The device comprises an area array CCD, an optical lens, a video processing circuit, an LED red light source and spherical reflectors. The position and the connection relation of each part are that the area array CCD, the optical lens, the video processing circuit and the LED red light source are arranged on a plane; the three high-reflectivity spherical reflectors are arranged on another plane; the red light source is used to illuminate the three spherical reflectors; the mass center of the three reflectors is the center of the plane; and the alignment of the two planes is completed by processing the imaging of a camera to the reflector, calculating a miss distance of the mass center and coordinates of images of the three reflectors by the video processing circuit, sending the numerical values to a control device, controlling the plane of the camera to move along the X, Y and Z directions to make the mass center and the center of the CCD target plane coincident, and moving the centers of three target image points to the predetermined CCD target plane coordinate. The measurement device is simple, and has high alignment precision, small volume and easy installation and application.

The invention discloses an LED (Light-Emitting Diode) illuminating lamp comprising a lamp holder, a control circuit board, a lamp shade and a heat radiating mechanism; the control circuit board is welded and fixed with a plurality of LED lamp wicks; the lamp shade covers above the LED lamp wicks; the heat radiating mechanism comprises a heat radiating substrate and a heat conducting seat, wherein the heat radiating substrate is arranged between the lamp holder and the lamp shade and is provided with a cavity in the center, and the heat conducting seat is arranged in the cavity of the heat radiating substrate and is fixedly connected with the lower surface of the control circuit board; the heat radiating substrate comprises a plurality of heat radiating fins radiating outwards, and the cross-section area of the heat radiating substrate is reduced progressively from the middle to the two ends; and the periphery of the heat conducting seat is in tight press fit with the inner wall of the heat radiating substrate. By adopting the LED illuminating lamp, the heat radiating effect can be better, the ageing of the LED lamp wicks can be better prevented, and the illuminating range is wider.

The invention discloses a processing technology for triangle-gemstone-shape unit plates of a glass curtain wall. The processing technology includes the following steps that 1) a sectional material issubjected to mold opening; 2) a unit frame is welded; 3) two perpendicular exterior-projecting standing columns, a diagonal standing column, connecting beams and two connected triangle supporting beams are welded; 4) a single unit plate is made; 5) unit plates are lifted; 6) unit plates are spliced. According to the processing technology for the triangle-gemstone-shape unit plates of the glass curtain wall, the technology is reasonable, a triangle-gemstone-shape unit plate structure processed with the technology is novel and unique, good in permeability and broad in view field, and the architectural effect and the diversity are improved.

The invention discloses an LED support, an LED comprising the support and an LED packaging process. The LED support comprises a base pin and a cup body. The cup body is arranged on the base pin; the middle place of the base pin is provided with an upwardly-raised chip placing platform; the plane height of the chip placing platform is slightly smaller than the height of the upper surface of the cup body or equal to or larger than the height of the upper surface of the cup body; since the base pin adopts the upwardly-raised chip placing platform structure, light ray reflection angle of the packaged LED is increased due to the raised chip placing platform structure, the LED light-emitting angle is allowed to be increased greatly, and in the later LED packaging process, epoxy resin colloid and silica gel can be adopted for packaging to form the LED; and the epoxy resin colloid is filled between the raised chip placing platform and the bowl cup, so that a silver-plated layer can be effectively protected from being vulcanized.

The invention discloses a high-low voltage power distribution device with a storage mechanism, and belongs to the technical field of high-low voltage power distribution, the high-low voltage power distribution device comprises a cabinet body, a cabinet door is installed outside the cabinet body through hinges, and an inclined plate is fixedly installed on the inner wall of one side of the cabinet door; the fireproof protection assembly is arranged in the device, automatic protection in the device can be achieved through the fireproof protection assembly, when the fireproof protection assembly is in lap joint with the inclined plate, an alarm switch can be touched, at the moment, an alarm lamp can be directly controlled to give an alarm, surrounding workers are warned to evacuate, power is cut off, and follow-up remedial measures are taken; according to the device, through creative design, monitoring and control of short-circuit fire emergencies in the high-low voltage power distribution device without an electronic structure are achieved, meanwhile, through the arrangement of the triggered fireproof protection assembly, the coverage range of an internal fire extinguishing matrix to flame points is enlarged, the fireproof protection effect is improved, and meanwhile the good warning effect is achieved.

The invention relates to the technical field of automobile trim atmosphere lamps, in particular to an automobile trim atmosphere lamp which comprises an automobile atmosphere lamp front cover and an automobile atmosphere lamp rear cover on the automobile atmosphere lamp front cover, an atmosphere lamp body is connected between the automobile atmosphere lamp front cover and the automobile atmosphere lamp rear cover, and the atmosphere lamp body comprises a protective shell. A water inlet is formed in the protection shell, the protection shell is arranged between the automobile atmosphere lamp front cover and the automobile atmosphere lamp rear cover, a waterproof plate is arranged in the protection shell and divides the interior of the protection shell into an upper space and a lower space, and a lamp groove is formed in the position above the waterproof plate. A water tank is arranged below the waterproof plate, and a processing device is installed in the water tank. Water is injected into the water tank to be matched with the xenon lamp, light emitted by the xenon lamp is mapped to the water in the water tank, and the light effect of liquid flowing is reflected through the water.

The invention discloses a wear-resistant and cold-proof school uniform. The wear-resistant and cold-proof school uniform comprises reflective strips, wear-resistant edges, elbow and knee wear-resistant blocks, a student information card, a school badge, a waterproof layer, a woven mesh layer, a heat preservation air cushion layer, a cotton cloth layer, a flannelette layer and wear-resistant pads.Wherein the elbow and knee wear-resistant blocks are arranged at the elbow joint parts of sleeves of the school uniform; a school uniform fabric is composed of the waterproof layer, the woven mesh layer, the heat preservation air cushion layer, the cotton cloth layer and the flannelette layer, and the wear-resistant pads are arranged on the surface of the fabric at the elbow and knee wear-resistant blocks; the heat preservation air cushion layer is located in a middle layer of the school uniform fabric; and the heat preservation air cushion layer is composed of a top rubber layer, a bottom rubber layer, an isolation rubber net and heat preservation air bags, the isolation rubber net is arranged between the top rubber layer and the bottom rubber layer, and the isolation rubber net divides aspace between the top rubber layer and the bottom rubber layer into the multiple heat preservation air bags. The wear-resistant and cold-proof school uniform has the characteristics that the tensileductility is strong, the heat preservation effect is good, the light reflection angle is increased, the travel safety of students is ensured, easily-consumable parts are wear-resistant and durable, and the waterproof and anti-fouling effects are good.

The invention discloses a light emitting diode structure. A substrate is provided; a first electrode is arranged on the lower surface of the substrate; a DBR reflecting layer, a first type limiting layer, an active layer, a second type limiting layer and a current expanding layer are distributed on the upper surface of the substrate in sequence; a second electrode is formed on the current expanding layer; low refractive index layers in the DBR reflecting layer are locally oxidized, and the oxidation depths of the low refractive index layers gradually change or periodically change from bottom to top in the normal direction of the DBR reflecting layer. The oxidation depths of oxidizing layers gradually change or periodically change, and lights emitting into a DBR are bent, so that the reflecting angle of the DBR is increased, the reflectivity of the DBR is increased, and the brightness of a chip is improved.

The invention discloses an inverted light emitting diode with an embedded scattering layer, the inverted light emitting diode comprises a sapphire substrate, and a u-GaN layer, an n-type doped nitridematerial layer, a heavily doped n-type doped nitride material layer, a light emitting layer and a p-type doped nitride material layer are sequentially grown on the sapphire substrate. A transparent conductive layer is deposited on the p-type doped nitride material layer; a three-dimensional n-type through hole array directly reaching the p-type doped nitride material layer is etched on the transparent conductive layer, the p-type doped nitride material layer, the light emitting layer and the heavily doped n-type doped nitride material layer; an air gap structure communicated with the three-dimensional n-type through hole array is etched on the heavily doped n-type doped nitride material layer; bottom reflecting layers are deposited on the transparent conductive layer and in the three-dimensional n-type through hole array, and electrodes are arranged on the bottom reflecting layers. An air gap structure array is formed on the sapphire substrate to form an embedded light scattering layer, so that photons are scattered, the escape probability of the photons is increased, and the light emitting efficiency of the LED is improved.

The invention relates to the field of product detection, and discloses a high-brightness and high-reflectivity part defect detection method which comprises the following steps: preparing a projector, an industrial camera and an arc-shaped semitransparent plate; controlling the projector to project a stripe image to the arc-shaped semitransparent plate, enabling the measured part located at the arc center position of the arc-shaped semitransparent plate to reflect the stripe image displayed on the arc-shaped semitransparent plate, and enabling the industrial camera to collect the image reflected by the measured part; repeating the above steps to obtain images of multiple groups of different stripe images reflected on the measured part; synthesizing all the images, and synthesizing a result image with depth information; identifying the gray-scale value of the result image, and judging whether places with different gray-scale values exist on the result image or not, so as to judge whether the detected part has defects or not, and identifying the places with different gray-scale values. By means of the mode, flaws on the surfaces of the parts can be rapidly, accurately and stably detected.

The invention discloses an LED lamp bulb. The LED lamp bulb comprises a connecting head and a lampshade arranged on the connecting head, a lamp pole is connected to the connecting head and comprises a pole body, a first connecting part for connecting the pole body with the connecting head and a second connecting part arranged at the free end of the pole body, and the surface of the pole body is arranged to be in a continuous ripple shape; the sides, facing the pole body, of the first connecting part and the second connecting part are provided with semi-sphere-shaped first protrusions, the side, back to the pole body, of the first protrusion at the free end is provided with a semi-sphere-shaped second protrusion, and the surface of the lamp pole is coated with a light reflection layer; at least two long-strip-shaped LED lamp strips are evenly distributed in the circumferential direction of the lamp pole, the LED lamp strips are parallel to the axis of the pole body, and the arc faces of the two first protrusions symmetrically extend in a protruding manner to form two cylindrical protruding poles perpendicular to the lamp pole; and the two ends of each LED lamp strip are connected with the protruding poles on the two first protrusions. The LED lamp bulb has the beneficial effects of being even in light emitting and wide in irradiation scope.

The invention discloses an optical imaging system. The optical imaging system comprises a casing, wherein a camera is fixedly mounted in the casing; a lens is arranged at the top of the camera; a glass protecting cover is arranged in the position, corresponding to the lens, of the top of the casing; a first fixed rod is fixedly connected with the surface of the inner wall of the glass protecting cover; a second fixed rod is fixedly connected with the surface of the inner wall of the glass protecting cover and located on the right side of the first fixed rod; a first connecting rod and a secondconnecting rod are fixedly connected between the first fixed rod and the second fixed rod; a first reflecting mirror is rotationally connected with the surface of the first fixed rod; a second reflecting mirror is rotationally connected with the surface of the second fixed rod. According to the optical imaging system, under the cooperation of the first reflecting mirror, the second reflecting mirror, a third reflecting mirror, a fourth reflecting mirror, a convex lens and electric drive pushers, the problem that a large view field range of an optical imaging lens is realized by rotating the angle of a prism reflecting surface, but the viewing angle of an existing camera cannot be effectively expanded is solved.

The invention provides a light reflection face LED illumination lamp. The light reflection face LED illumination lamp comprises a circuit board, LEDs and a light reflection cover used for reflecting light of the LEDs. The light reflection face of the light reflection cover is a protruding face. The light-emitting faces of the LEDs are right opposite to the protruding face. LED light-emitting module arrays are vertically placed or placed with an included angle between the LED light-emitting module arrays and the vertical direction. The central axis of the light reflection protruding face is in the vertical direction. The LEDs are arranged on the circuit board. A gap is reserved between the circuit board and the protruding face. The LEDs are located between the protruding face and the circuit board. The side, facing the protruding face, of the circuit board is coated with a light reflection layer. The circuit board is connected with a circuit power supply through a wire. The circuit board and the circuit power supply are arranged in a separated mode. Light of the LEDs is diffused through the protruding face, the light focused together is dispersed, the irradiation range is widened, and light can be uniform within the space range. The LEDs are located between the protruding face and the circuit board. The circuit board is pasted on a heat dissipation device through heat conduction glue and fixed through screws, the heat dissipation device is exposed in the air, and good thermal radiation and cross-ventilation are formed. The light reflection face LED illumination lamp has the advantages of being simple in structure, good in heat dissipation effect, more uniform in illumination, and the like.

The invention provides a self-luminous anti-collision device for isolating road and bridge construction. The self-luminous anti-collision device comprises a base. A moving trolley is fixedly mounted at the bottom of the base; anti-collision barrels are uniformly arranged in a spaced manner at the front end edge and the back end edge of a top plane of the base, separately; a light-emitting mechanism is rotatably connected to a supporting seat at the upper end of the anti-collision barrel at the front end through a pin roll; a rotating shaft is transversely connected to the middle of the base ina penetrating manner; and a locking mechanism is fixedly mounted at the tail end of the left end of the rotating shaft, and the lower end of the locking mechanism is fixedly mounted on the moving trolley. According to the self-luminous anti-collision device for isolating road and bridge construction, as bright battens are embedded onto the front end surface and the back end surface of the base and uniformly spaced V grooves are also transversely formed in the bright battens, lamplight irradiating on the bright battens can reflect to remind vehicle drivers. As the V grooves are formed, the reflecting angles of the lamplight can be increased.

The invention relates to the technical field of laser output equipment, and provides a laser collimator and a laser system. The laser collimator comprises an optical fiber, a first lens and a second lens; the optical fiber, the first lens and the second lens are sequentially arranged and distributed in the axis direction of the optical fiber; a through hole is formed in the first lens, and the through hole penetrates through the first lens in the axis direction of the optical fiber; and the first lens includes a first concave surface, and the first concave surface faces the second lens or theoptical fiber. The laser collimator and the laser system can effectively reduce the adverse effect of the return light on the laser system and improve the stability and security of the system operation.