114results about How to "Improve light source utilization" patented technology

The invention relates to a confocal optical scanner, and especially relates to a confocal optical scanner using array detectors comprising CCD, EMCC, CMOS and sCOMS as detection units and applied to biological fluorescent microscopic imaging. The confocal optical scanner is mainly characterized in that microlenses of a microlens array corresponds to pinholes of a pinhole array one by one, and the pinhole array is positioned in the focal plane of the microlenses; excitation light illuminating a sample and fluorescence emitted by the sample pass through a same pinhole in the pinhole array; the pinholes of the pinhole array are arranged in an equidistant matrix manner, and illumination points of the pinholes on the sample have a same moving speed; and a scan vibrating mirror has two reflection planes, and the scanning imaging of the sample is realized through the reciprocating rotation of the scan vibrating mirror. So the confocal optical scanner has the advantages of fast scanning speed, zero stray light background noise, uniform illumination intensity and the like, and can be easily synchronously controlled together with the exposure of the detectors.

The invention discloses a curved light guide plate and a manufacturing method thereof. The curved light guide plate comprises an incidence surface, a first curved surface and a second curved surface. The first curved surface is parallel to the second curved surface and the first curved surface and the second curved surface are mounted on each side of the in-light surface. The first curved surface is provided with lattice points. Lights are reflected by the lattice points upon penetrating the incidence surface and shoots out from the second curved surface. The curved light guide plate is made of ultra clear glass and is made by curving ultra clear glass to be formed and constructing the lattice points on the first curved surface. The processed curved light guide plate is stable in performance and insusceptible to environmental changes of temperature and humidity under the conditions that the good area light and the light use efficiency are guaranteed. Accordingly, good dimensional stability to form stable and even backlights is guaranteed.

The present invention discloses a light guide plate and a backlight module, wherein the light guide plate comprises a light guide body portion and an oblique light guide body, the light guide body portion is provided with a first light incidence surface, a bottom surface adjacent to the first light incidence surface, and a light outgoing surface opposite to the bottom surface, the oblique light guide body is located above the light guide body portion and is provided with a second light incidence surface connected with the first light incidence surface, the oblique surface of the oblique light guide body is connected with the light outgoing surface of the light guide body portion, and between the oblique light guide bodies there is provided at least one groove. Furthermore, between the light guide body portion and the oblique light guide body there is provided a wedge-shaped light guide portion.

The invention relates to a diffusion plate with functions of light collection, light diffusion and light reflection. The diffusion plate utilizes optical-fiber-grade general purpose polystyrene (GPPS) (transparent polystyrene) as a main material and glass beads as a silicon dispersing agent to improve product penetration rate and enable light to be better refracted, reflected, diffused and the like in a product. An ageing-resistant improver and a plastic compatilizer are added to server as auxiliary materials to prolong service life of the product. The product has the functions of integrating light collection, light diffusion and light reflection on one body, has high light diffusion performance and light emitting evenness and is high in light source utilization rate. A backlight display device becomes thinner on the basis that high performance is ensured, a product yellowing-resistant effect is improved, and service life is prolonged. The product is simple in structure, reduces cost and is suitable for large scale popularization.

The invention relates to an inner light source ball string type photocatalysis water purifying tank and belongs to the technical field of water environment protection. The inner light source ball string type photocatalysis water purifying tank comprises a water permeable tank capable of adjusting flow of passing water, multiple purifying balls, side light fibers, a power supply device and an ultraviolet generator, the side light fibers are positioned in the water permeable tank, folded to be wavy to be fixedly connected with the same and electrically connected with the ultraviolet generator, the ultraviolet generator is electrically connected with the power supply device, the purifying balls are fixedly arranged on the side light fiber, and each purifying ball is coated with a nanocrystal titanium dioxide film. Ultraviolet is guided into the purifying balls through the side light fibers and directly radiates the surface of a photocatalysis film in a near-distance manner, so that light source utilization rate is high, radiation intensity is high, and photocatalysis efficiency is improved greatly. Each purifying ball is of a hollow structure, so that specific surface area is increased, the side light fibers penetrate the purifying balls from the middles, and ultraviolet illumination is free of dead angle, so that photodegradation reaction efficiency of the photocatalysis film and pollutants in water is improved to a certain degree.

An apparatus for homogeneously distributing lights includes a light guide plate, an incidence microstructure and an emergence microstructure. The incidence microstructure is arranged on a surface of the light guide plate and opposite to a light source. The emergence microstructure is arranged on a surface of the light guide plate opposite to the incidence microstructure. The lights emitted by the light source pass through said apparatus thereby being homogenously distributed. Thus the manufacture costs are lowered, and the light source utilization ratio is increased.

The invention discloses a total-reflection honeycomb backlight LED illuminating lamp of a refrigerator and the refrigerator using the illuminating lamp. The illuminating lamp comprises a plurality of surface mounted LED lamps arranged on the front surface of a lamp panel, light emitting surfaces of the LED lamps cling to one side of a light guide plate, reflective paper is pasted on the other three sides of the light guide plate, a honeycomb engraved groove is engraved on one surface of the light guide plate, a reflective plate is arranged on the side of the light guide plate with the engraved groove, the lamp panel, the light guide plate and a reflective plate are connected onto a refrigerator clamp, and a closed cavity is formed between the light guide plate and the reflective plate. The illuminating lamp has the advantages of safety, low power consumption, low heating value, large light emitting surfaces, and soft and uniform light, has no extremely dense area, and can bring fresh and bright use experience for users in both daytime and nighttime.

The invention relates to an optical switch array and a non-holographic real naked eye 3D display system formed from the same. The optical switch array comprises an optical switch chain which is arranged in the y axis in a three-dimensional rectangular coordinate system and a plurality of T-shaped optical switch chains which are arranged in parallel to the z axis. The non-holographic real naked eye 3D display system structure comprises a display array (1) formed by jointing three-dimensional display units, a drive module (2) and a processor (3). The control of each T-shaped optical switch in the three-dimensional display units are connected with the drive module (2). The drive module (2) and a translation driver(11) and a display light source (14) in each three-dimensional display units are all connected with the processor (3). A three-dimensional image is formed in space through the scanning manner to realize real naked eye 3D display. According to the invention, advantages of simple structure, low operation power consumption and long service life can be realized, the display colour gamut is equivalent to a laser television, and the advantage of naked eye watching can be realized; the screen size is flexible, so needs in different occasions can be satisfied; and the advantage of 2D and 3D compatibility can be realized.

The invention discloses an ultralow-distortion and dodging digital projection optical system for a DMD (Digital Micromirror Device), which comprises a light source, a dodging shaping system, a digital micromirror and a projection objective system, wherein the dodging shaping system comprises a light guide rod, a beam expanding lens system and a mirror system; the light source, the light guide rod and the beam expanding lens system are sequentially arranged on a first optical axis; the digital micromirror and the projection objective system are sequentially arranged on a second optical axis positioned at one end of the beam expanding lens system; the first optical axis forms an included angle with the second optical axis; a beam emitted by the light source passes through the light guide rod and the beam expanding lens system and then is reflected by the mirror system to the digital micromirror; and the digital micromirror images the reflected beam through the projection objective system. The system has the advantages of higher illumination uniformity and precision, ultralow distortion and low cost.

The invention discloses a bulb, which comprises a substrate, a luminescence unit and a lens unit, wherein the luminescence unit is arranged on the substrate and is used for providing ray; the lens unit comprises a floodlight lens and a spotlight lens; and the ray is refracted by the floodlight lens and the spotlight lens to form floodlight and spotlight. In addition, the invention also discloses a lens unit. In the above mode, the bulb and the lens unit thereof disclosed by the invention combine floodlight and spotlight into a whole. The bulb and the lens unit disclosed by the invention have the advantages of simple structure, low cost, high light source use ratio, practicality and reliability.

The invention belongs to the technical field of light reactors and in particular relates to a mini non-focus-type photocatalytic chemical reactor. The non-focus-type photocatalytic chemical reactor comprises an illumination chamber, a cooling air circulation chamber, a chemical reaction vessel and a magnetic stirrer, wherein the illumination chamber comprises luminous tubes which are fixed on the inner side wall of a cylindrical column, a clamp arranged on the axial line and an illumination chamber upper cover; the chemical reaction vessel is a glass test tube or a quartz test tube; the cooling air circulation chamber is positioned on the side wall of the illumination chamber and is cylindrical; and the magnetic stirrer is a universal magnetic stirrer and positioned under the chemical reaction vessel and can directly perform the magnetic stirring operation on a reaction system inside the chemical reaction vessel. Compared with the prior art, the magnetic stirrer is adopted to greatly increase the contact area of the sample and the light sources and completely mix the sample and the catalyst. The light sources are arranged on the inner circumference of the illumination chamber with a high utilization rate. Besides, the additional arrangement of the cooling air circulation chamber achieves the effect of temperature control based on wind power and saving energy. The reactor has a simple structure and is convenient for assembly and disassembly.

The invention relates to a knob switch for a vehicle, include a housing and a knob, A PCB with a light emitter and a knob light transmission device are arranged in the housing, A light guide structureis arrange in that housing corresponding to the position of the light emit body, the light guide structure comprises a first light guide ring and a second light guide ring positioned below the firstlight guide ring, the bottom of the second diaphragm is provided with a plurality of diffusion portions along the circumferential direction of the bottom of the second diaphragm so as to diffuse the light emitted by the light emitter onto the second diaphragm, The upper surface of the second diaphragm is also provided with a saw tooth capable of uniformly scattering light to the lower bottom surface of the first diaphragm, and the first diaphragm is provided with a refractive part capable of refracting the upward transmitted light to the outer peripheral surface of a knob mounted on the firstdiaphragm. By adopting the technical proposal, the invention provides a vehicle knob switch which not only meets the requirement of uniformity, but also has high light source utilization ratio.

The invention relates to a side light backlight module, which comprises a light source used for producing light beam; a light conductive board used for reflecting and refracting the light beam produced by the light source; an optical module covered on one side of the light conductive board used for receiving the light beam of the light conductive board and producing a plane light source; a reflective board comprises a bottom reflective board and a side reflective board and covered on the other sides of the light conductive board and is used for reflecting back the light beam to the light conductive board; a frame covered on the outer side of the light conductive board. The side reflective board of the side light backlight module can reflect back the light leaked from the light conductive board, the light is reflected by the bottom reflective board and again sent to the light output surface of the light conductive board so as to circularly use, the conversion efficiency between the point or line and plane light source of the backlight module is improved, the using efficiency of the backlight module is enhanced, and the backlight brightness is also improved.

A dye-sensitized solar cell includes a negative electrode, a positive electrode, a photoelectrode mounted between the negative electrode and the positive electrode, and an electrolyte located between the photoelectrode and the positive electrode. The photoelectrode is adapted to absorb a dye. The photoelectrode includes a dense layer, a scattering layer and a carrier transport layer. The dense layer, the scattering layer and the carrier transport layer are stacked one upon another. The dense layer is formed by titanium dioxide nanoparticles having a diameter of 15-20 nm. The scattering layer is formed by titanium dioxide nanospheres having a diameter of 200-500 nm. The carrier transport layer is formed by titanium dioxide nanotubes having a length of 300-800 nm. Furthermore, a photoelectrode for the dye-sensitized solar cell, as well as a method for producing the photoelectrode, are also disclosed.

The invention discloses a photocatalysis reaction device for treating rose red B high-salt wastewater and a process. Thephotocatalysis reaction device comprises a transparent shell, wherein the transparent shell is internally provided with an aerator; a light focusing membrane is arranged below the aerator. By adopting the process, rose red B high-salt wastewater is treated by using the photocatalysis reaction device. The photocatalysis reaction device disclosed by the invention has the advantages of being simple in structure, low in cost, high in light source utilization rate, wide in application range, and the like, can be widely applied to treatment on rose red B high-salt wastewater, is capable of achieving effective degradation of rose red B in high-salt wastewater, and has high use values and good application prospects. The process for treating the rose red B high-salt wastewater by using the photocatalysis reaction device, which is disclosed by the invention, has the advantagesof being simple in process, good in treatment effect, good in universality and the like, is capable of achieving efficient removal of the rose red B in the high-salt wastewater, and has great significances for effective treatment on the rose red B in the high-salt wastewater.

The application provides a 3D display module. The 3D display module comprises a substrate, lamp sets arranged on a first surface of the substrate at intervals, a linear polarization film layer horizontally arranged on a second surface of the lamp sets, a phase difference compensation film layer horizontally arranged on a third surface, opposite to the second surface, of the linear polarization film layer, and a specially-shaped microstructure layer horizontally arranged on a fourth surface of the 1/2 phase difference compensation film layer; the fourth surface and the third surface are oppositely arranged; sawtooth-shaped groove structures are arranged on the fifth surface of the specially-shaped microstructure layer at intervals, and reflecting materials are arranged on the surfaces of the sawtooth-shaped groove structures and used for reflecting scattered light of the lamp sets back to the lamp sets; the first gap between every two adjacent sawtooth-shaped groove structures corresponds to one lamp set. Therefore, the light source utilization rate of the lamp sets is increased through the module, and a problem of lamplight invasion of the lamp sets is solved.