49results about How to "Good light guide" patented technology

The invention belongs to the field of liquid crystal display, and particularly relates to a side-light type backlight module and a liquid crystal display device. The side-light type backlight module comprises a light guide plate and a positioning part for positioning the light guide plate, and the light guide plate is rigidly positioned in a direction facing a light source and is positioned in a cushioned manner in the rest directions. The side-light type backlight module and the liquid crystal display device use a novel light guide plate positioning structure, as the light guide plate is rigidly positioned in the direction facing the light source, the light coupling distance between the light guide plate and the light source of the side-light type backlight module can be controlled to obtain fine light guide effect, and the light guide plate is positioned in the cushioned manner in the rest directions, so that expansion and contraction of the light guide plate are absorbed to avoid warping and deformation of the light guide plate. Besides, the light guide plate can be prevented from breaking due to rigid contact of the light guide plate and the positioning structure in impact.

The invention provides a woven fabric, a lighting device, a curtain, a stair lighting device, a bag, a speaker device, a monitor, a collar, a shoe, and a portable terminal. Through the design, in a complicated and highly designed woven fabric having a region where the optical fiber is located on the surface of the woven fabric and emits light, and a fixed region hidden in the surface where the surface is barely exposed, the bending and pressing of the optical fiber can be minimized, and the optical guiding performance is high. The woven fabric includes: a fixing region where an optical fiber of a seventh fiber is held, and a light emitting region where the optical fiber of the seventh fiber is included to emit light. The woven fabric includes: a back layer in which a first fiber, a secondfiber, and a sixth fiber are woven; a surface layer in which a third fiber, a fourth fiber, and a fifth fiber are woven; and the optical fiber arranged in a space of an intermediate layer between thesurface layer and the back layer.

The invention discloses a laser irradiation treatment head capable of being clamped, which comprises at least two treatment head bodies and a clamping device, wherein each treatment head body consists of a shell, a laser diode enwrapped in the shell and a relevant circuit of the laser diode. Light through holes are formed at the front ends of the treatment head bodies for laser output. The clamping device mainly consists of a spring and two clamping pieces. The two clamping pieces have the same shape and are oppositely arranged. The middle rear parts of the two clamping pieces are connected with each other through the spring. At least two through holes for the treatment head bodies to penetrate in are respectively formed in the front ends of the two clamping pieces. The at least two treatment head bodies are respectively and correspondingly embedded and fixed in the through holes of the two clamping pieces, and the light through holes of the at least two treatment head bodies on the two clamping pieces oppositely face to the opposite inner sides of the two clamping pieces. Through the laser irradiation treatment head, symmetrical acupoints of a human body can be symmetrically and oppositely irradiated.

This invention discloses one light module, which comprises one light source set and one conductive part, wherein, light source is to provide one light beam and the conductive part is set above light source set; light conductive part has relative one top surface, one light incidence surface and one first reflection surface and one light exit surface connected between top and incidence surface; top surface has one first concave with its surface of one second reflection surface for reflection light. This invention provides one surface light source device with light module.

The invention provides a light guiding device and a board clamping device, wherein the light guiding device (1) comprises a transparent component and a non-transparent component that wraps the transparent component. The transparent component is provided with at least two light guiding parts (111). The adjacent two light guiding parts (111) are separated from the non-transparent component (12). The non-transparent component (12) is provided with first through holes (121) corresponding to the light incident side of the light guiding parts (111) respectively and second through holes corresponding to the light outgoing side of the light guiding parts respectively. The light incident sides of the light guiding parts (111) are on the same side, and the light outgoing sides of the light guiding parts are on the same side. The board clamping device comprises a PCBA board clamp. The PCBA board clamp is provided with a light source and the above mentioned light guiding device (1). The light source corresponds to the light incident sides of the light guiding parts (111) respectively. The devices of the invention are simple in structure and convenient in installation. The light from the various light sources are guided and emitted from corresponding light guiding parts, which reduces the light attenuation and the light mixing, therefore, strengthening the prompting effect.

The invention discloses a stereoscopic voltage-reduction-type multipulse autotransformer rectifier, and belongs to the technical field of transformers. The stereoscopic voltage-reduction-type multipulse autotransformer rectifier comprises a transformer body, the transformer body comprises three coils which are stereoscopically distributed in a triangle shape, the surfaces of the coils are coated with epoxy resin insulation layers, and the epoxy resin insulation layers are filled with multiple U-shaped optical fiber light guide bars which are uniformly distributed; a triangular base is connected to the lower ends of the coils, three detection rings matched with the coils are arranged at the side, close to the coils, of the triangular base, a connecting plate is fixedly connected between every two detection rings, and assembly holes are punched in the connecting plates. By means of the stereoscopic voltage-reduction-type multipulse autotransformer rectifier, the resin insulation layers of a transformer can be automatically detected in real time through the light guide property of optical fibers, once the bad phenomena such as creepage and breakage occur, a technicist can be timely informed to conduct maintaining and overhauling, the running safety of the transformer is obviously improved, and the situation that the service life of the transformer body is seriously influenced by insulation breakdown cannot easily occur.

The invention discloses an AgNWs-PDMS composite flexible conductive optical fiber micro lens and a preparation method thereof. The preparation method comprises the following steps that a PDMS precursor solution is sucked into a sleeve pipe and taken out after curing, the tail end of a PDMS fiber core is cut into a flat end surface, the PDMS fiber core is immersed into a PDMS solution, concentrically rotating is conducted after taking out, and curing is conducted to obtain a micro lens; one end, provided with the micro lens, of the PDMS optical fiber is coated with an ultraviolet curing adhesive and adhered to a quartz optical fiber; a PDMS optical fiber micro lens is immersed into the PDMS precursor solution, concentrically rotating is conducted after taking out, then heating is conducted,and the PDMS optical fiber micro lens is taken out and immersed into an AgNWs isopropanol solution to prepare an AgNWs conductive layer; the micro lens is immersed into a PDMS solution, concentrically rotating is conducted after taking out, and curing is conducted to prepare an insulating layer; and the micro-lens is soaked in ethanol, and the ultraviolet curing adhesive is stripped to expose theconductive layer and the micro-lens. The provided micro lens is good in conductivity and light guide performance, and the micro lens at the tail end of the optical fiber has a focusing function.

The invention belongs to the field of preparation of light guide fiber, and in particular relates to a polyvinyl chloride resin light guide material and light guide fiber. The polyvinyl chloride resinlight guide material provided by the invention comprises 100 parts of polyvinyl chloride resin, 40 to 70 parts of a plasticizer, 4 to 6 parts of a stabilizer, 0 to 5 parts of a lubricating agent and20 to 30 parts of light guide liquid. The light guide fiber prepared by the formula has high light guide property, high elongation at break and moderate hardness, and meets the use requirements of special environments in the aspect of comprehensive performance.

The invention discloses an LED (Light Emitting Diode) table lamp based on twice optical light distribution based on a light propagation assembly. The LED table lamp comprises a lamp seat, an LED light source module, a control unit, a light propagation assembly, a light propagation assembly bracket, a light guide assembly and a light guide assembly bracket, wherein the LED light source module is arranged on the lamp seat; the light propagation assembly is arranged inside the light propagation assembly bracket; the light propagation assembly is arranged on the lamp seat; the light guide assembly is arranged inside the light guide assembly bracket; the light guide assembly bracket is connected with the light propagation assembly bracket; the control unit is used for controlling the working state of the LED light source module; the LED light source module is connected with one end of the light propagation assembly; the other end of the light propagation assembly is connected with the light guide assembly; and light emitted from the LED light source module is propagated by the light propagation assembly and is subsequently ejected out from the light guide assembly. The LED table lamp is simple in structure, and good in light guiding and unifying effects.

The invention discloses an optical-fiber fluorescent-wheel hybrid laser projector. The projector comprises a conductive optical fiber, a focusing lens, a total-reflection mirror and a hybrid fluorescent wheel. The conductive optical fiber comprises two portions, one portion is used to guide a laser to a light outlet, and the other portion is used to guide the laser to the hybrid fluorescent wheel.The focusing lens is used for focusing fluorescence emitted by the hybrid fluorescent wheel. The total-reflection mirror reflects all the focused fluorescence to the light outlet. An incident angle of the laser guided to the hybrid fluorescent wheel and a fluorescent surface of the hybrid fluorescent wheel is less than 90 degrees. In the invention, by using an optical-fiber fluorescent-wheel hybrid mode, a blue laser is directly coupled to a laser device so that propagation in the optical fiber is performed and a dust influence during a propagation process is avoided; and the optical fiber possesses good and stable light guide performance and attenuation of a light beam during the propagation process is greatly reduced.

The invention relates to a wire with a light guide function. The wire comprises a conductor wire and an insulation outer layer. The insulation outer layer wraps the conductor wire, spiral grooves areformed in the insulation outer layer, light guide fibers are embedded in the spiral grooves, and transparent adhesion layers wrap the surfaces of the light guide fibers. The wire has the advantages that the light guide fibers are arranged in the spiral grooves and are firm and durable owing to winding fixing modes, accordingly, the wire can be advantageously subjected to irradiation from various angles, light emitting of the wire can be advantageously observed from various angles, visible light can be emitted by the integral wire in irradiation of color light transmitters, the time elapsed incable core alignment links can be shortened to a great extent when the wire is applied to manufacturing control cables, and the accuracy of the cable core alignment links can be improved.

The invention discloses a heat insulation acrylic plate, which comprises a first acrylic layer, a second acrylic layer and a third acrylic layer, wherein a fly ash layer is arranged between the firstacrylic layer and the second acrylic layer, an aerogel felt layer is arranged between the second acrylic layer and the third acrylic layer, a plurality of projection blocks distributed in the length direction of the acrylic plate are arranged on the surface of the first acrylic layer, the surface of the projection block has an arc shape, anti-ultraviolet ray film layer is arranged on the projection block, and a waterproof film layer is arranged on the bottom surface of the third acrylic layer. According to the invention, the thermal insulation acrylic plate has advantages of substantially improved impact resistance, substantially improved deformation resistance, excellent thermal insulation function, substantially increased application range and good application prospect, and is worthy ofpopularization.

The embodiment of the invention relates to the field of optical fiber manufacturing, in particular to a large-core-diameter plastic side face light emitting optical fiber and large-core-diameter plastic optical cable manufacturing device. The large-core-diameter plastic side face light emitting optical fiber manufacturing device comprises a co-extrusion machine, a vacuum shaping heat treatment machine and a secondary heat treatment machine. A large-core-diameter plastic side face light emitting optical fiber can be integrally extruded through the co-extrusion machine, is subjected to vacuum shaping through the shaping device and is then subjected to cooling treatment through the heat treatment devices, and therefore synchronous cooling conducted before a core layer material and a cover layer material enter air is achieved, the problem that when the large-core-diameter plastic side face light emitting optical fiber directly enters the air through a mold extrusion opening, due to the great temperature difference between the extrusion temperature and the air temperature, internal materials of the optical fiber deform is avoided, and the large-core-diameter plastic side face light emitting optical fiber and large-core-diameter plastic optical cable manufacturing device can be used for producing the large-core-diameter plastic side face light emitting optical fiber large in core diameter and good in light guide performance.