519results about How to "Soft light" patented technology

The invention discloses a dyeing and finishing technique of a tencel and cotton blended fabric. Firstly, textiles are treated by two positive and one reverse singeing, desizing and scouring and bleaching treatment, clipless mercerizing by a clipless mercerizing machine, and continuous open width pad dyeing, then loose color of the textiles and surface active agent are removed by washing to carry out easy care treatment, finally softening is carried out by adopting mechanical force. The invention has simple process. The invention greatly increases the strike immigration performance of the textiles and is easily dyed uniformly, thus improving the quality of tencel and cotton fabric and the product levels. The dyed surface fabric has good textural quality which is similar to tencel, soft hand feeling, soft light color, comfortable and breathable wear, easy care, and can be widely applied to shirt fabrics with top quality and home surface fabrics.

The invention discloses semitransparent light diffusion modified PC (Polycarbonate) and a preparation method thereof. The semitransparent light diffusion modified PC consists of the following components in percentage by weight: 96.4-98.2 percent of PC resin, 1-3 percent of light diffusing agent, 0.2-0.5 percent of antioxidant and 0.2-0.5 percent of processing aid. The semitransparent light diffusion PC prepared with the method is in the form of semitransparent particles, is applied to an LED (Light-Emitting Diode) lamp shield and a lighting tube, can be used for effectively reducing the light ray intensity, is vaporous integrally without exposing a light source and has soft light rays, and has the advantages of simple process, convenience for operating, low cost and wide application prospect.

The invention provides a reflective cup for a LED lamp, comprising a reflection surface and a bottom surface; the LED is positioned in the center of the bottom surface, a part of light of the LED is emitted from an opening of the reflective cup directly, the part of light reaches an objective plane to form an initial illumination plane, the other part of light is reflected by the reflective surface of the reflective cup to the initial illumination plane, a uniform lighting plane is formed by the energy overlay of the two parts of light, the reflective surface of the reflective cup is a free surface, the shape of the free surface is determined by the following method: the reflective cup is in central axial symmetric shape, the section crossing the central axis of the reflective cup is taken as a datum plane, coordinates is established, the central axis is Z axis, the original point is on the central axis, the LED light source is positioned at the original point, the direction passing through the original point and is vertical to the central axis is X axis, a curved line on the XZ plane corresponding to the free surface is rotated for 360 degrees around the Z axis, then the shape of the free surface is obtained. The reflective cup of the invention is simple and compact in structure and the LED optical uniformity is good.

The invention relates to an LED supplementary lighting and image clipping evaluation system in standard image acquisition device, comprising an LED light source (101), a 1-120 VDC (Voltage-to-Digital Converter) power supply (102), a control circuit board (103), an image acquisition system (105), an LED light source switch (106), and an LED light source controller (301); the LED light source (101)is connected with the control circuit board (103) via an analog circuit, a digital circuit or an integrated circuit; the LED light source (101) is connected with the 1-120 VDC power supply (102) via the analog circuit, the digital circuit or the integrated circuit; the control circuit board (103) is connected with the image acquisition system (105) via the analog circuit, the digital circuit or the integrated circuit; and the technology of the invention is applicable to the public security image acquisition system, and improves the operation efficiency and image quality.

A UV coating composition for LED color conversion including: 25 wt % to 97 wt % of a UV curable resin; and 3 wt % to 75 wt % of a phosphor. The composition enables emission of white light using only a white LED lens or a light guide plate without affecting a blue, violet or UV LED, thereby eliminating a need for a white LED. Further, users of a LED including the composition can perform direct and easy adjustment of the intensity of white light to obtain a desired intensity by replacing a conventional LED lens. The LED lens provides soft and comfortable lighting which effectively reduces glare caused by high brightness white LED lighting. Moreover, the composition slows deterioration of a lighting device and makes possible a light guide plate having a simple and thin structure.

The invention relates to a lampshade material. The lampshade material comprises the following raw materials in parts by mass: 100 parts of PMMA, 4-6 parts of an organic silicon material, 1-2 parts of methylacryloyl methoxyl silane, 0.5-1 part of polyethylene glycol, 0.4-0.8 part of an organic silicon photodiffusion agent, 1-1.5 parts of carboxymethylcellulose, 1-2 parts of nano negative ion powder, 0.5-1.5 parts of nano yttrium oxide, 2-5 parts of polytetrafluoroethylene ultrafine powder, 0.5-1.5 parts of an antioxidant and 0.5-1.5 parts of a light stabilizing agent. The invention further relates to a preparation method of the lampshade material. The lampshade material is good in light permeability and gentle in light, the thermal expansion coefficient of the lampshade material is matched with an LED chip, and the wafer of an LED lamp is not bent because of temperature change in normal operation, so that the LED lamp is solid and stable in overall structure in the use process, the service life can be prolonged, the lampshade material has an air purification function, the preparation method of the lampshade material is simple, the dispersing property of the lampshade material can be remarkably improved, the light transmittance rate and the haze degree are remarkably increased, and the mechanical property and the surface hardness are remarkably improved.

An LED lamp includes a frame, a heat sink, an LED module and a reflector. The frame comprises a base, an upper ring spaced from the base and a plurality of stanchions connecting the upper ring and the base together. The heat sink is coupled to a top of the upper ring and covers a whole of a top of the frame. The LED module is attached to a bottom surface of the heat sink and surrounded by the upper ring. The reflector is placed on the base and has an outer surface facing and slantwise to the LED module. The reflector has a configuration like an inverted funnel. The outer surface of the reflector has multiple steps formed thereon.

The invention discloses an intelligent LED (light-emitting diode) video synchronizing impulse stroboscopic supplemental lighting device. The device is composed of an electronic circuit and a shell, wherein the electronic circuit has the following structure: a 220V alternating current is connected with a 24V switching power supply and a synchronization generator, the 24V switching power supply is connected with an LED lamp matrix and a +12V power supply circuit, the +12V power supply circuit is connected with a +5V power supply circuit, a light ray detection circuit is connected with a signal processing circuit, a signal input circuit is connected with the signal processing circuit, the signal processing circuit is connected with a signal output circuit, and the signal output circuit is connected with the LED lamp matrix through an actuator. With the adoption of the device provided by the invention, the phenomena of dazzling, uneven exposure and streaking can be effectively avoided, the synchronous exposure with a frame of a camera and frequency multiplication output of light can be realized, and the problem that the color of the red light in an image shot by a monitoring camera changes from red to yellow during the red light signal of traffic lights is solved.

The invention belongs to the field of LED light emitting devices and aims at providing a full-spectrum high-color-rendering LED white light emitting device to solve the problems of spectrum incompletion of white light produced by LED excited fluorescent powder, high components of blue light peak values, poor color reducibility and the like. The full-spectrum high-color-rendering LED white light emitting device comprises a device support and device pins, wherein at least one group of light emitting units electrically connected with the device pins is arranged on the device support, each light emitting unit comprises two or more blue light LED chips of different wavelengths, LED chips are fixed to the device support through insulation paste or are fixed to the device pins through elargol, and a cavity where the LED chips are fixed is filled with a mixture of fluorescent powder and silica gel. The full-spectrum high-color-rendering LED white light emitting device is fuller in spectrum, more continuous, wider in frequency spectrum, softer in light color and higher in light effect, reduced object surface colors are more lifelike, blue light is less, and the blue light peak values are lower.

The present invention discloses a light-diffusing flame-retardant polycarbonate material for LED lighting, wherein the light-diffusing flame-retardant polycarbonate material comprises (by weight) the following raw materials. According to the present invention, the organic light diffusing agent is added to the composite substrate, such that the light is soft, the stability is good, the particles are tightly bound, and the uniform system is easily formed; through the matched cooperation of the organic light diffusing agent and the fluorescent brightener, the light transmittance can be improved, and the light diffusion effect can be improved; and the product has the good gloss, the interface combination degree of the matrix resin is enhanced with the compatibilizer, the impact strength is increased, the product has the toughness, and the flame retardant property is provided for the product through the flame retardant agent.

The invention discloses a method for processing low-ultraviolet high-transmittance window screen fabric. Polyester filament yarn with TiO2 is mainly adopted as main raw materials in the window screen fabric, and the window screen fabric is formed by weaving twill weave and self-designed crepe weave according to different rationcombinations and dyed yarn matching through damp and hot shaping. According to the fabric, on the premise of lowering the ultraviolet transmittance, the high visible light transmittance is achieved at the same time, the front face and the back face have different visible light transmittances, and the hidden function and the peep prevention function are achieved. The window screen fabric is not dyed and coated, color and style design of the fabric is completed by adopting the natural color and dyed yarn in different ration matching modes, and the fabric is environmentally friendly. The method has novelty and originality and has better applicability and adaptability. According to the window screen fabric manufactured through the processing method, on the premise of guaranteeing the good light transmittance, the ultraviolet transmittance is lowered, and finally the functions of meeting normal indoor lighting and lowering ultraviolet transmittance are achieved.

The invention discloses a flexible light-guiding optical fiber fabric. Weft threads are formed by alternatively combining polymethyl methacrylate optical fiber spinning yarns and common yarns, warp threads are common yarns, the ends of the polymethyl methacrylate optical fiber spinning yarns are integrated together and sleeved by a non-light-transmitting circular ring. The invention further provides application of the flexible light-guiding optical fiber fabric on the aspects of household textiles, clothes and wallpaper. The flexible light-guiding optical fiber fabric is low in cost and long in service life and can be used repeatedly, and the price can be accepted by vast consumers. The flexible light-guiding optical fiber fabric is free of ultraviolet and infrared light pollution, is combined with a textile material to be used in a closed-fitting mode and does not injure a human body and damage the textiles. Photoelectric separation is achieved, no electric spark is produced, shock hazard is not caused, and the flexible light-guiding optical fiber fabric represents a qualitative leap.

A water writing paper simulating the Xuan paper is composed of black base paper and coated white layer, and is prepared through making black base paper, preparing white paint and coating. Said black base paper contains pulp fibres, black pigment, adhesive, acid salt, dry strnegthening agent, and wet strengthening agent. Said white paint paint contains white pigment, disperser, adhesive (butadiene-styrene or propadiene styrene emulsion and PVA), cross-linking agent and regulator. Its advantages are low cost, clear tracing and cyclic use.

The invention discloses a light-emitting shoe material and a preparation method thereof. The light-emitting shoe material comprises styrene type thermoplastic elastomer, 1,2-polybutadiene, styrene-butadiene copolymer (K adhesive), white mineral oil, a photo-thermal stabilizer, a lubricant and nano silicon dioxide. The preparation method comprises the following steps: premixing the components in a high-speed mixer, carrying out melt extrusion on the premixture at 120-130 through a double screw extruder, cooling, granulating, and finally, carrying out injection molding at 137-145 DEG C to obtain the light-emitting shoe material. The light-emitting shoe material has the characteristics of uniform light scattering, uniform brightness, soft light rays, favorable toughness, high anti-skid property, stable dimension and the like.

The invention provides an electronic device. The electronic device comprises a shell, a rear cover and an image acquisition device, wherein the image acquisition device comprises a camera arranged in the shell and a flashlight near the camera. The electronic device further comprises a rotary wheel, wherein the rotary wheel comprises a wheel body axially arranged on the shell or the rear cover and at least two different lenses arranged on the wheel body, and the flashlight is covered with the lenses in turns by rotating the wheel body. According to the electronic device, the different lenses covering the flashlight can be flexibly selected in the photographing process of the electronic device, and therefore different photographing effects are realized.

The invention relates to a light aging resistant photodiffusion polycarbonate composite material and a preparation method thereof. The composite material is prepared from the following raw materials in parts by weight: 700-900 parts of polycarbonate aggregate, 100-300 parts of polycarbonate powder, 0.5-5 parts of photodiffusion agent, 2-8 parts of light stabilizer, 1-5 parts of antioxidant and 0.5-2 parts of processing agent. The light aging resistant photodiffusion polycarbonate composite material is prepared from the raw materials in high-speed mixing, extruding and pelletizing manners. The light aging resistant photodiffusion polycarbonate composite material disclosed by the invention has the advantages of being good in processing formability, good in light aging resisting performance, good in light transmittance and haze, and the like.