84results about How to "Good light guiding performance" patented technology

A transparent resin composition having light guiding properties, alight guide molded article and a surface light source body.

The resin composition comprises a polycarbonate (component A) and a polycarbonate-polydiorganosiloxane copolymer (component B) and has light-guiding ability, wherein

• (i) the component B contains a specific carbonate unit and a specific organosiloxane unit;
• (ii) the content of a polydiorganosiloxane block is 0.001 to 1.0 wt % based on the total weight of the resin composition; and
• (iii) the component B has polydiorganosiloxane domains having an average size of 0.5 to 40 nm existent in a polycarbonate matrix.

The invention discloses a terahertz wave generator based on graphene. The teraHertz wave generator comprises a substrate, a graphene film and a terahertz photoconductive antenna, wherein the graphene film is formed on the substrate and the terahertz photoconductive antenna is used for coupling Sierpinski fractal geometrical shape of the terahertz wave. According to the invention, bar-shaped electrodes are arranged at the two ends of inverse fractal antenna; a bias voltage is applied between the electrodes; the graphene film is pumped through femtosecond pulse laser; the electron motion in the graphene film is excited; the terahertz wave is irradiated under the effect of the bias voltage; the terahertz wave is coupled with the free space through the photoconductive antenna. Due to the high electronic mobility and the characteristic of easily generating terahertz wave of the graphene and the coupling function of the photoconductive antenna with similar characteristic, the emission efficiency of terahertz wave is increased, the antenna gain is increased, the power consumption and propagation loss of the antenna are reduced and the radiant power of the terahertz wave is increased.

The invention discloses a glass light guide plate manufacturing method. The method comprises the following steps: the glass light guide plate is coated with a photoresist; a mask plate with a glass light guide plate screen dot pattern is manufactured; the photoresist is exposed through the mask plate; the photoresist is developed; hydrofluoric acid is sprayed on the surface of the photoresist to form the screen dots of the glass light guide plate; and the remaining photoresist is stripped and the glass light guide plate is cleaned. The glass light guide plate manufactured in the manufacturing method of the invention has the advantages of no color difference, no falling, good screen dot effects, no cracks, good glass strength, no brittle fracture, good light guide performance, and industrial batch production.

The invention discloses a light guide plate production process and production device, and a light guide plate produced thereby. The process comprises the following steps: preparing a point texture roller; enabling a light guide raw material to be heated and fused by use of a heating apparatus, performing extrusion formation on the fused light guide raw material through an extrusion apparatus, and obtaining a plasticity light guide plate after half cooling; performing hot pressing on the plasticity light guide plate to form astigmatism salient points by use of a hot pressing apparatus; and obtaining a needed light guide plate by cutting the light guide plate to needed dimensions by use of a cutting apparatus, wherein the density of the astigmatism salient points on the light guide plate in the middle portion of the light guide plate is the largest, and the density is gradually decreased from the middle portion to the two sides of the light guide plate. Through arrangement of the point texture roller and arrangement of the salient points whose density is gradually decreased from the middle to the two sides outside the point texture roller, the astigmatism salient points protruding outwards are pressed on the light guide plate by use of a hot pressing mode, the astigmatism salient points are integrally formed with the body of the light guide plate, deformation is not easily generated, the light guide effect is better, and the service life of the light guide plate is longer; and the process is simple and practical and is suitable for wide promotion and application.

A polycarbonate resin composition for light guides which has excellent light guiding properties and flame retardancy, a light guide and a surface light source body.

The light guide is formed from a resin composition which comprises (A) 100 parts by weight of a polycarbonate resin (component A) and (B) 0.001 to 0.1 part by weight of a metal salt-based compound (component B).

The invention provides a transmission-type backlight source LED light box dodging device. The light box comprises a picture supporting plate, a plurality of LEDs and reflectors, wherein the picture supporting plate is arranged in the display direction of the light box; the LEDs are arranged in the light box; the reflectors are arranged among the LEDs; the dodging device is arranged in the display direction of the light box; and the dodging device is provided with a dodging structure in the position corresponding to the LEDs, and used for shielding rays emitted by the LEDs and dredging the rays to the surroundings. The invention also provides a light box with the dodging device. The dodging device can eliminate dark areas on the picture of the light box, and enhance the lighting uniformity on the display surface of the light box, so that rays are uniformly and softly irradiated on the picture supporting plate.

The invention discloses a photocureable magnetic-conductive and light-conductive pressure-sensitive adhesive, an adhesive tape and a preparation method of adhesive tape. The pressure-sensitive adhesive comprises the following components in parts by weight: 30-40 parts of modified functional resin, 60-80 parts of aliphatic epoxy modified acrylate resin, 5-15 parts of functional monomer, 10-30 partsof diluent, 0.5-1 part of photoinitiator, 5-10 parts of light-conductive filler, 8-12 parts of magnetic-conductive filler, 1-3 parts of rheological agent, 0.5-1.8 parts of leveling agent, 1-2.5 partsof dispersant, 0.8-2.4 parts of coupling agent, 1-3 parts of a defoaming, 0.2-1 part of a chain transfer agent and 20-50 parts of tackifying resin. The light-conductive and magnetic-conductive adhesive disclosed by the invention has the advantages of excellent light-conducting property and magnetic-conducting property, light crosslinking, easy adhesion, easy stripping and certain temperature resistance, and can be widely applied to adhesion of various products needing light conduction and magnetic conduction.

An image sensor including partition patterns includes: a substrate; photo-sensing elements formed in the substrate, each photo-sensing element responsive to light to produce a photo-sensing electricalsignal; an antireflection layer formed over of the photo-sensing elements and structured to reduce optical reflection to facilitate optical transmission of incident light to the photo-sensing elements through the antireflection layer; color filters formed over the antireflection layer and arranged to spatially correspond to the photo-sensing elements, respectively, each color filter structured toselect a designated color in the incident light to transmit through to a corresponding photo-sensing element; and partition patterns formed over the antireflection layer and arranged to spatially correspond to the photo-sensing elements, respectively, to partition light receiving area above the photo-sensing elements into separate light receiving areas, each partition pattern surrounding a corresponding color filter to be separate from an adjacent color filter; grooves formed in upper portions of the partition patterns, and providing air gaps between the adjacent partition patterns; micro lenses formed over the partition patterns and the color filters to direct incident light to the photo-sensing elements through the color filters, respectively. The micro lenses may be separated from oneanother by the grooves.

The present invention discloses an electronic candle, consisting of a body, which is provided with a luminescent film on the wall and internally with a cavity. The said cavity is installed internally with an electronic control device controlling the said luminescent film. With reasonable structure and luminescent film positioned on the wall of the body, the candle wall flashes by controlling the electronic control device of the luminescent film, thus diversifying the colors and patterns on the wall.

The invention discloses a single crystal optical fiber and a preparation method thereof. The single crystal optical fiber comprises an optical fiber core, inner cladding and outer cladding, and the optical fiber core is a solid single crystal fiber. The preparation method comprises the following steps: preparing a plurality of tubular glass preform rods having mutually-matched inner and outer diameters; performing drawing on the preform rods to obtain glass cladding having a two-layer structure; and inserting the solid single crystal fiber into the inner cladding, and performing heating tapering to obtain the single crystal optical fiber having the glass cladding. According to the single crystal optical fiber and method provided by the invention, materials, quantities, sizes and positionsof the tubular components adopted in the method are adjustable, the optical and thermal properties of the tubular components can be matched with a single crystal material to the greatest extent, so that the mode quality and high power operation of the single crystal optical fiber can be ensured; and the single crystal optical fiber has the advantages of a simple structure and convenient preparation, and the method breaks a bottleneck of difficult preparation of cladding of a conventional single crystal optical fiber, and is an ideal cladding preparation solution for the single crystal opticalfiber.

The invention discloses an integrated illuminating sensor, an automatic air condition and lamplight control system and an automobile. The integrated illuminating sensor comprises a light filter, a base, a photosensitive element module and a printed circuit board, wherein the light filter and the base are connected together in a covering mode, the photosensitive element module and the printed circuit board are arranged in a space defined by the light filter and the base in sequence in the direction from the light filter to the base, the photosensitive element module comprises a sunlight photosensitive element and an ambient light photosensitive element which are arranged right below the light filter, a first processing module connected with the sunlight photosensitive element and a second processing module connected with the ambient light photosensitive element are arranged on the printed circuit board, and the output end of the first processing module and the output end of the second processing module are led to the outside of the base through guide wires or pins respectively. The integrated illuminating sensor has the advantages that due to the fact that the photosensitive elements share the same light filter, assembling is convenient and production efficiency is improved; due to the fact that the photosensitive elements are located right below the light filter, conduction of a light source is better facilitated, and light conducting performance is improved. The integrated illuminating sensor, the automatic air condition and lamplight control system and the automobile have the advantages of being reasonable in design, simple in structure, convenient to maintain, and low in cost.

The invention discloses an eye-care instrument, comprising a shell (1), a support (2), a pair of eyeshades (3) capable of attaching to human eye rims, a massage vibrating component and a control panel (4). The shell (1) is mounted on the support (2), the eyeshades (3) are arranged on the support (2), the support (2) is provided with two first through holes (2.1), the support (2) is provided with a light-emitting device which comprises a transparent light guide plate (5) and a light source (6) connected with the control panel (4) and capable of changing its color, the parts of the light guide plate (5) corresponding to the two first through holes (2.1) are provided with a plurality of second through holes (5.1), and the parts of the shell (1) corresponding to the two first through holes (2.1) are provided with a plurality of third through holes (1.1). The eye-care instrument is visually useful, multifunctional and capable of exchanging air with the external, thus avoiding fog and providing better light guidance.

The invention discloses an online lamination protection film of a light guide plate and a preparation process of the online lamination protection film. The online lamination protection film of the light guide plate comprises a base material surface layer, a core layer and an elastomer layer, wherein the core layer is arranged between the base material surface layer and the elastomer layer, and the base material surface layer, the core layer and the elastomer layer are integrally formed by virtue of a co-extrusion process. The protection film is stable in viscosity, good in light guiding property, excellent in high-temperature high-humidity aging resistance, and free from scratching a protected surface; and the viscosity of the protection film is not changed along with the temperature rising/lowering, can be repeatedly laminated and can avoid the adhesive residue phenomenon. Therefore, the protection film is very suitable for being used as the protection film of the light guide plate.

The invention relates to the field of laser printing and consumables thereof, and particularly relates to a photoconductive material for laser printing and a method for preparing a photosensitive drum. The photoconductive material for laser printing is prepared from the following components in parts by weight: 1-5 parts of tungsten carbide powder, 1-3 parts of nickel, 0.5-1.3 parts of phthalocyanines compounds, 1.2-1.8 parts of silicon dioxide, 0.5-0.7 part of silicon and 10-15 parts of resin mixtures. Raw materials of the photoconductive material are well matched with each other, and thus thephenomenon that the photoconductive material has good photoconductivity and good wear resistance can be ensured.

The invention discloses a hard disk fixing support capable of saving space. The fixing support comprises a fixing rack and a bracket in sliding connection with the fixing rack, the bracket comprises amounting frame and a handle which are both of U-shaped structures, and the mounting frame is internally and fixedly provided with a hard disk. Guiding grooves for accommodating the mounting frame areformed in the portions, at the left and right sides of the mounting frame, of the interior of the fixing rack respectively. Hinging plates extending downwards are arranged at a handle left side plateand a handle right side plate of the handle respectively, and hinged to a mounting frame left side plate and a mounting frame right side plate respectively. A light guiding strip is arranged at the mounting frame right side plate, the rear end of the light guiding strip corresponds to an indicator light on a back plate in position, and the front end of the light guiding strip is fixedly connectedwith a light guiding block on a handle front side plate. The hard disk fixing support reduces the three-dimensional space of a hard disk module, fully utilizes the internal service space, and increases the spacial utilization rate of a server.

The invention discloses a light guide plate manufactured by utilizing a 3D printer and a manufacturing method. The light guide plate comprises a light guide casing having a hollow chamber and openings at two ends, a light guide baffle board arranged in the hollow chamber of the light guide casing, and light source units which are mounted at the opening ends of the light guide casing and are used for providing light for the light guide casing and the light guide baffle board, wherein the light source units comprise casing covers detachably arranged at the opening ends of the light guide casing and light sources mounted in the casing covers. The light guide plate has advantages of good light guide effects, cost-saving performance, rapid molding and high production efficiency, and the light guide plate is molded through the 3D printer.

The invention relates to an automobile integrated illumination intensity sensor, which comprises a sensor base and a photosensitive module. The photosensitive module comprises an integrated light guide body and a printed circuit board. The printed circuit board is provided with a photosensitive element signal processing circuit and a photosensitive element which is connected with the photosensitive element signal processing circuit. The photosensitive module additionally comprises an installation positioning hole for the integrated light guide body. The integrated light guide body comprises a photosensitive element light guide structure. The integrated light guide body is clamped with the printed circuit board to form the complete photosensitive module which is then installed on the sensor base.

The invention relates to the fields of laser printing and laser printing consumable materials, in particular to a laser printing consumable material and a method for preparing a toner cartridge. The laser printing consumable material is prepared from the following components in parts by weight: 2 to 6 parts of tungsten carbide powder, 0.8 to 1.3 parts of cadmium sulfide, 1 to 3 parts of cobalt, 0.3 to 1.4 parts of a phthalocyanines compound, 1 to 2 parts of zinc oxide, 0.7 to 1.2 parts of silicon and 12 to 16 parts of a resinae mixture. The raw materials of a light guide material are good in cooperation, and the material has good abrasion resistance while good photoconductivity can be guaranteed.

The invention provides a touch induction substrate and a touch device. The touch induction substrate comprises a bulge plate and an optical fiber net layer, wherein the bulge plate and the optical fiber net layer are overlapped in sequence, wherein the optical fiber net in the optical fiber net layer is mainly intertwined by a plurality of optical fibers arranged along a first direction and a plurality of optical fibers arranged along a second direction; the light entering end of each optical fiber in the optical fiber net is provided with a light emitter, and the light emitting end is provided with a light receiver; and the surface, which faces the optical fiber net layer, of the bulge plate is provided with a bulge corresponding to an optical fiber interaction in the optical fiber net. By use of the touch induction substrate and the touch device, through a principle that signal in the light receiver changes due to deformation when the optical fiber is pressed, a touch operation can be realized, and therefore, the touch induction substrate and the touch device can be suitable for manufacturing flexible display screens with a large size.

The invention provides an integrated optical fiber tab, a preparation method and application, and belongs to the field of batteries. The integrated optical fiber tab comprises tab glue, a metal coating and an optical fiber body, the optical fiber body is provided with a conductive section in the length direction, a sealing area is arranged in the conductive section, the metal coating is arranged on the conductive section of the optical fiber body, the length of the conductive section on the optical fiber body continues from a position where the optical fiber penetrates out of the battery and is connected with an external circuit to a position where the interior of the battery is welded with an electrode current collector, the metal coating is continuous and complete, the upper side face and the lower side face of the optical fiber body in the sealing area are each provided with a layer of tab glue in an attached mode, and the two layers of tab glue are oppositely attached to completely wrap the optical fiber body. The invention also provides a preparation method and application of the integrated optical fiber tab. The integrated optical fiber tab disclosed by the invention is integrated in the battery and can be used for monitoring the internal state of the battery, so that the defects that the internal monitoring of the battery is difficult and the lossless, safe and real-time monitoring cannot be carried out in the prior art can be overcome.

The invention discloses an insecticidal lamp plastic lampshade and a production method thereof. The lampshade is produced from, by weight, 30-50 parts of polyacrylonitrile, 30-50 parts of polytetrafluoroethylene, 5-10 parts of polycarbonate, 5-10 parts of dibutyltin dilaurate, 5-10 parts of N,N'-diphenylbenzidine, 5-10 parts of polytrimethylene terephthalate, 1-3 parts of an antioxidant, 4-8 parts of a filler and 5-8 parts of a lubricant. The production method comprises the following steps: mixing all above components in proportion, heating for thawing the mixed components, and carrying out injection molding. The insecticidal lamp plastic lampshade produced through synergism of all the components has the advantages of good high temperature resistance, stable chromaticness, high light transmittance, good light conduction effect and less luminous efficiency loss, and enlarges the luminescence angle of an insecticidal lamp to make the insecticidal lamp have a good insecticidal effect.