116results about How to "Improve light source utilization" patented technology

The invention discloses a mini LED backlight source, a preparation method thereof and a backlight source module, relating to the technical field of display. The mini LED backlight source comprises a substrate, a light reflection layer, a protection layer and multiple Mini LED chips. The substrate comprises multiple electrically-connected terminal pairs exposed on a first surface of the substrate.The light reflection layer is arranged on the first surface of the substrate. The reflection rate of the light reflection layer is n1 larger than or equal to 90%. The protection layer is arranged on the surface away from the substrate on the light reflection layer. The Mini LED chips are arranged on the first surface of the substrate and electrically connected with the electrically-connected terminals in the form of one-to-one correspondence. A light reflection layer is arranged between at least partially-adjacent Mini LED chips. The orthographic projection where the light reflection layer islocated on a plane of the substrate does not intersect with the Mini LED chips. The orthographic projection where the light reflection layer is located on the plane does not intersect with the Mini LED chips. The distance between the surface, away from the substrate, of the protection layer and the substrate is D1. The distance between the surface, away from the substrate, of the Mini LED chips and the substrate is D2. D1 is smaller than or equal to D2. Brightness of the backlight source is increased while power consumption is reduced.

The invention belongs to the technical field of display, and particularly relates to an OLED (Organic Light Emitting Diode) pixel structure and an OLED display device. The OLED pixel structure comprises a TFT (Thin Film Transistor) and an OLED device, wherein a driving electrode is arranged in the TFT, and the driving electrode is used for controlling the OLED device to emit lights; the OLED pixel structure comprises a transmission area and a reflection area, wherein the reflection area is internally provided with a reflection layer formed by stretching the driving electrode. The OLED pixel structure disclosed by the invention has the beneficial effects that the utilization rate of a light source can be effectively increased, and the utilization rate of a display panel can be effectively increased.

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 discloses a light diffuser board integrated with high transmittance, high haze and high toughness in one body. A fiber-level GPPS such as transparent and blue-background polystyrene is taken as a main material, glass beads are taken as a silicon diffusion agent, and a high haze flexibilizer SCBS is innovatively added. Based on the diffuser board having functions of light collection, light diffusion and light reflection, a product formula is improved and added, auxiliary agents such as a diffusion agent, a light stabilizing agent and a high haze flexibilizer are added to a raw material, and thereby functions of light refraction, light reflection and light diffusion are realized in products, not only can quite high light diffusion and emergent light uniformity be realized, but also a utilization rate of the power source is high, anti-folding performance and shielding performance are good, a penetration rate of products can reach 93%+ / -5%, and the haze can reach 99%+ / -1%.

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 solar photocatalytic degradation device, belongs to the technical field of sewage treatment and particularly relates to a device which solves the problems that a sewage treatment device is high in energy consumption, high in price and prone to secondary pollution by using a modified photocatalyst responsive to ultraviolet visible light and taking sunlight as a light source to drive reactions to degrade pollutants. The device mainly comprises reaction tanks, hollow pipes, air ejecting pipes, an air pump, a transparent stair-shaped photocatalytic reaction chute, circular arc baffles, a water conveying pipe, a water pump, a water collecting pool and a solar cell panel. The reaction tanks are used for providing sites for homogenizing and processing sewage, the hollow pipes are used for carrying ultraviolet visible light modulator tubes, the air ejecting pipes and the air pump are used for aerating the reaction tanks, the transparent stair-shaped photocatalytic reaction chute is used for providing a photocatalytic degradation site, the circular arc baffles are used for homogenizing and slowing down a sewage solution, the water conveying pipe and the water pump are used for conveying the sewage in the water collecting pool into the reaction tanks, the water collecting pool is used for collecting degraded sewage, and the solar cell panel is used for storing electric energy. The sunlight is mainly used, and the device has the advantages of being clean, efficient, free of secondary pollution, controllable in reaction atmosphere, high in light source utilization rate and the like.

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 provides a method for preparing a three-dimensional bismuth ferrite visible light catalytic material by using a direct-write forming technology. The method comprises the following steps: providing and dissolving ferric nitrate, bismuth nitrate, nitric acid and potassium hydroxide into a mixed solution, and preparing bismuth ferrite nano powder through a hydrothermal synthesis method; after mixing the bismuth ferrite nano powder with an additive, adding the mixture into deionized water, and preparing bismuth ferrite mixed slurry of which the solid phase content is 40 to 80 wt percent; pre-designing a three-dimensional structural drawing through CAD (Computer Aided Design) software, converting the three-dimensional drawing into a code language capable of being recognized by a computer, putting the bismuth ferrite mixed slurry in a forming needle cylinder, enabling the forming needle cylinder to move along a path designated by the computer under the driving of a direct-write platform, extruding and forming layer by layer at the same time, periodically overlaying back and forth, and forming a mult-layer ordered three-dimensional porous structure blank; carrying out pre-sintering and sintering thermal treatment on the three-dimensional porous structure blank, thus obtaining a three-dimensional bismuth ferrite body having a visible light photocatalysis characteristic.

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.

The invention relates to a device used for sewage treatment, in particular to a photocatalytic water treatment reactor designed for the optical catalyst of two-dimensional nano-optical catalytic film loaded by a substrate, particularly to a visible light catalytic film developed in recent years. The reactor comprises a reaction container, an ultraviolet lamp (or xenon lamp), a catalyst carrier installation device, a mixing device and an air aerating device. The reactor is characterized in that the middle part of the lower end surface of the cover plate of the reaction container is fixedly connected with a lampshade; the catalyst carrier installation device is a polyhedron slot frame; the glass sheet of a supported catalyst film is arranged on the polyhedron slot frame from top to bottom; the upper end of the mixing shaft of the mixing device passes through the mixing shaft hole on the soleplate of the reaction container and is arranged in the reaction chamber of the reaction container; and the polyhedron soleplate of the polyhedron slot frame is fixedly connected with the upper end of the mixing shaft. The device has the advantages of simple structure and convenient installation and replacement of the optical catalytic film and simultaneously can carry out the optical catalytic reaction of the variable light source by an artificial light source or solar light under the condition of ultraviolet light or visible light and natural light.

The invention discloses coating composition for a brightness enhancement film with a high refraction rate. The coating composition comprises the following components in parts by weight as follows: 0-80 parts of light-cured resin, 0-100 parts of photopolymerization monomer and 1-30 parts of photoinitiator, wherein the photopolymerization monomer is monofunctional monomer or bifunctional monomer with a refraction rate higher than 1.57, the refraction rate of the light-cured resin is higher than 1.56, and the weight part of the light-cured resin and the weight part of the photopolymerization monomer are not equal to zero simultaneously. Compared with the prior art, the coating composition has the benefits as follows: 1, the refraction rate of the composition is higher, the brightness of a coating is better and a light gathering effect is better due to the induction of bisphenol S type bifunctional sulfur-containing monomer with a high refraction rate, and the utilization rate of a light source can be effectively increased; 2, the film-forming ability of the coating is good, and the anti-aging performance is excellent; 3, the demolding performance of the coating is good, and the duplicate precision of a prism structure on a substrate is guaranteed.

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 a display system based on a blazed grating light modulator, which comprises a light source (10), an illuminating lens device (11) arranged on a path of rays at the light emission port of the light source and used for reshaping light beams and shimming, the blazed grating light modulator (12) arranged on the output path of rays of the illuminating lens device (11) and used for reflecting the light beams and a projection lens device (13) arranged on the reflection path of rays of the blazed grating light modulator (12), and the emergent light of the projection lens device (13) is launched onto a projection screen (14). The display system of the invention has high utilization rate of the light source, higher brightness and higher resolution factor, and the diffraction efficiency of work, namely, the utilization rate of luminous energy can achieve above 90 percent.

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 vehicle-mounted electronic equipment, and particularly discloses a light guide ring. The light guide ring is cylindrical, and a plurality of yielding grooves for accommodating light sources are formed in one end of the light guide ring, and are evenly distributed in the circumferential direction of the light guide ring at intervals; an arc opening isformed between every two yielding grooves in the side wall of the light guide ring and is in the same direction as openings of the yielding grooves. The light guide ring has a simple structure, uniform and sufficient light-emitting effect can be achieved with fewer light sources, the structure of the light guide ring is simplified, and light guide uniformity of the light guide ring is improved. The invention also provides a button assembly comprising the light guide ring. With adoption of the light guide ring, the whole button assembly is compact in structure, and the light effect presented by buttons is better.

The invention discloses a same-machine rapid detection device based on a coaxial light source system and application of the same-machine rapid detection device. A front cover (4) is arranged on the front surface of the detection device, a display screen (2) is arranged on the front cover (4), the lower end of the display screen (2) is a detection port, a detection consumable (1) is inserted into the detection port for detection, a power switch (3) is arranged at the right end of the display screen (2), a shell (5) is arranged outside the detection device, and foot pads (6) are respectively arranged at the four corners of the lower end of the detection device.

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 discloses a vehicle lamp lens and a three-ejection horizontal type rotary disc injection molding machine for producing the vehicle lamp lens. The vehicle lamp lens comprises a base, a core part and an arch-shaped casing part, wherein the core part is fixedly and integrally connected with the base and is in a sphere notch shape; the arch-shaped casing part is integrally and fixedly connected with the core part; the outer wall of one end, near the base, of the casing part is provided with four light collection surfaces. The three-ejection horizontal type rotary disc injection molding machine comprises a machine frame, an injection assembly, a fixed die assembly, a moving die assembly, a die removal assembly and a die closing driving assembly, wherein the moving die assembly comprises a rotary disc and a moving die plate which are rotationally connected, and the moving die plate is fixedly connected with the rotary disc; a fixed die plate is provided with a first fixed cavity, a second fixed cavity and a third fixed cavity, and the moving die plate is provided with three same moving cavities; in the die closing process, the first fixed cavity is matched with the base, the second fixed cavity is matched with the whole structure of the core part, and the third fixed cavity is matched with the casing part; the injection assembly comprises a first ejection mechanism, a second ejection mechanism and a third ejection mechanism which are respectively communicated with the first fixed cavity, the second fixed cavity and the third fixed cavity. The three-ejection horizontal type rotary disc injection molding machine has the advantages that the effect of layered processing is realized, and the processing efficiency is high.

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.

The invention discloses a photo-thermal composite catalytic multifunctional reaction system which comprises a feeding gas circuit module, a photo-thermal coupling reaction module, a reaction product detection module and a system integrated control module. The air inlet design and the air outlet design can meet the requirements of different reaction systems; the adopted light source is a high-uniformity simulated solar light source and is provided with a travel-adjustable movable support, uniform light spots are output, the adopted detection equipment is a series gas chromatograph system, the detection sensitivity is improved, and the control device comprises a gas circuit control unit and a protection control unit. And online control and data synchronization of influence factors such as fluid speed, reaction temperature and pressure are realized. Different from the design of most systems only aiming at single reaction at present, a multifunctional reaction test platform which can integrate different solar energy to drive a hydrocarbon fuel conversion reaction system, realize efficient and ordered conversion of energy and monitor the conversion efficiency and performance in real time so as to meet experimental and production requirements is constructed.

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 invention relates to a method and equipment for scale production of artemisinin. The method comprises: dissolving dihydroarteannuic acid in an organic solvent, adding a photosensitizer and an acid catalyst, adopting a light source to make the dihydroarteannuic acid be subjected to light oxidation so as to obtain peroxy alcohol of the dihydroarteannuic acid, carrying out acid catalysis so as to carry out Hock cut-off, and carrying out oxidation ring closing to produce the artemisinin, wherein the whole reaction or only the light oxidation reaction is performed in photosensitive oxidation reaction equipment. The present invention further comprises the photosensitive oxidation reaction equipment for performing the method. According to the present invention, the method has characteristics of low reaction temperature and high light source utilization rate, and the equipment has characteristics of high light source utilization rate, simple structure, low manufacturing cost, and high single-batch productivity.