29 results about "Luminous energy" patented technology

The invention relates to the technical field of photoelectricity, and discloses an energy-saving light-emitting control method and system for a multispectral partition annular light source, and the method comprises the steps: obtaining partition spectral data and an environment signal, so as to generate an initial transmission traffic matrix; clustering and grouping the spectrum permeation relationship to calculate a permeation boundary, and further evaluating the luminous energy distribution volatility and determining a flow path; comparing the interaction intensity obtained based on the path with a standard spectrum template to obtain an adjustment coefficient set; the optimized partition light intensity configuration is determined according to the coefficient; and finally, fusing real-time flow data to construct a light energy transmission model, and outputting continuous dynamic regulation and control light intensity according to the model. By accurately controlling the light energy flow among the partitions, the problems of uneven illumination and overflow are solved, and the dynamic adaptability of the system is improved.

The present invention relates to an energy optimization power saving apparatus using return luminous energy of infrared synthetic wavelength equipped with an overload protection apparatus and provides an energy optimization power saving apparatus having a power control unit as a connection control means for controlling the on / off of an electronic brake so as to detect whether conditions in which the return luminous energy wave generated by the energy optimization power saving apparatus may become unstable have been met, and to interrupt the operational connection of the energy optimization power saving apparatus to the power supply system for a certain period of time when the luminous energy wave is determined to be unstable, so that an unstable return luminous energy wave generated by the energy optimization power saving apparatus is prevented from being applied to a power supply system, thus preventing a disturbance in the power supply system or a reduction in the power saving effect of the power supply system.

The invention provides a light-emitting device and a preparation method thereof. The quantum dot film in the light-emitting device comprises the first quantum dot and the second quantum dot, the crystal structures of the first quantum dot and the second quantum dot are different, injection imbalance of electrons and holes can be relieved or eliminated, non-light-emitting energy loss is reduced, the light-emitting efficiency of the QLED device is improved, and the service life of the QLED device is prolonged.

A LiDAR, and drive circuits, and drive methods thereof are disclosed. The drive circuit includes: a switch controller unit configured to selectively control a light-emitter apparatus to emit light and stop emitting the light; a first monitor unit configured to monitor light-emitting energy of the light-emitter apparatus; a second monitor unit configured to monitor light-emitting duration of the light-emitter apparatus; and a safety controller unit configured to control the light-emitter apparatus to stop emitting the light by the switch controller unit when at least one of the light-emitting energy reaches a first threshold or the light-emitting duration reaches a second threshold. In technical solutions of this disclosure, a risk to human eye safety led by laser light emission can be reduced on the basis of guaranteeing working efficiency of a LiDAR.

The light energy charging lamp comprises a shell, a circuit board and a rechargeable battery are arranged in the shell, a light source is arranged on the circuit board, the battery is electrically connected with the circuit board and the light source, and a light transmitting area is arranged on the shell corresponding to the light emitting position of the light source. A perovskite photovoltaic panel used for converting light energy into direct current is further arranged in the shell, a solar controller is further arranged on the circuit board, and the solar controller is used for adjusting the voltage and current of the direct current generated by the perovskite photovoltaic panel and storing the voltage and current in the battery so as to achieve automatic charging of the battery. When people use the lamp indoors, the lamp can be charged through weak natural light or an artificial light source, when people use the lamp outdoors, the lamp can be charged through sunlight, and long-time convenient illumination is guaranteed for people. Moreover, due to automatic charging, manual charging operation is omitted, light energy is effectively utilized, and resource waste is reduced. And on the other hand, no charging wire or mains supply is needed for charging, so that carrying and using outside are facilitated.

The invention provides a linear scanning microscopic Raman spectrum imaging method and system, electronic equipment and a storage medium. The method comprises the following steps: obtaining Raman spectrums of the same sample in different directions; spectral feature maps are extracted from the Raman spectrums in different directions respectively; processing the spectral feature map to obtain reinforced features corresponding to different directions so as to make up that the spectral acquisition resolution in the line length direction is lower than the spectral acquisition resolution in the line width direction; and fusing the enhanced features to obtain a fused spectral feature map for qualitative or quantitative analysis. According to the invention, the uniformity of linear exciting light is improved by using a micro-cylindrical lens array or a DOE element, and an omnidirectional high-resolution spectral image in a sample plane is obtained by combining orthogonal double-frame sampling with an atlas fusion algorithm. The device is simple in structure and low in cost, linear exciting light energy spatial distribution uniformity and in-plane omnidirectional horizontal spatial resolution are improved, and a powerful tool is provided for rapid research of cell space metabolome.

The embodiments of the present disclosure disclose a visible light band laser. A specific implementation of the method includes: an integrated laser gain reflector, an excitation beam control optical element, a polarization control optical element, and a frequency conversion optical element are all seamlessly integrated on an optical integrated substrate, and the fundamental frequency infrared laser layer in the integrated laser gain reflector is composed of each pair of excitation light energy absorption layers and fundamental frequency infrared laser emission layers; the excitation beam control optical element includes an excitation beam control optical element reflection surface one and an excitation beam control optical element reflection surface two; the frequency conversion optical element includes a frequency conversion optical element reflection surface two. This implementation can reduce the difficulty of obtaining visible light band lasers, improve the wavelength diversity and band diversity of the generated visible light, improve the portability and maneuverability of the laser, and improve the stability of obtaining visible light band lasers.

The present invention discloses a UV / blue light enhanced rare earth nanocomposite, a preparation method thereof, and an application thereof in acrylate photopolymerization. The rare earth nanocomposite includes rare earth nanomaterials and an organic coordination molecular layer disposed on the surface of the rare earth nanomaterials; the rare earth nanomaterials include a light emitting layer and a first energy capture layer disposed outside the light emitting layer, and an energy transfer channel is formed between the first energy capture layer and the light emitting layer; the main component of the organic coordination molecular layer is picolinic acid. In the rare earth nanocomposite of the present invention, the light emitting layer is used to capture energy and emit light, and the first energy capture layer is used to additionally obtain excitation energy and transfer it to the light emitting layer, thereby improving the excitation light energy capture ability, increasing the light emission intensity, promoting the photopolymerization reaction, and achieving the purpose of improving the photopolymerization reaction effect. Picolinic acid is used to protect the surface of the rare earth nanocomposite and promote energy transfer, thereby enhancing the photopolymerization reaction effect.

The embodiment of the utility model provides a light source device which comprises a light source, a first wavelength conversion device, a light guide piece and a second wavelength conversion device, the first wavelength conversion device receives and converts at least part of exciting light into first excited light, and the light guide piece is used for guiding the first excited light and first residual exciting light. The second wavelength conversion device receives and converts at least part of the first residual exciting light guided by the light guide piece into second excited light, and the first residual exciting light, the second residual exciting light, the first excited light and the second excited light penetrate through the second wavelength conversion device. The energy of the exciting light is absorbed by the first wavelength conversion device, the energy of the exciting light transmitted to the second wavelength conversion device is reduced, rapid temperature rise of the second wavelength conversion device is avoided, the heat dissipation area of the first wavelength conversion device adopting reflection illumination is larger, the heat dissipation effect is better, and the heat dissipation requirement of a follow-up high-power light source is met. The embodiment of the utility model further provides lighting equipment.

A system and a method for manipulating a beam of an Advanced Charge Controller module in different planes in an e-beam system are provided. Some embodiments of the system include a lens system configured to manipulate a beam in the tangential plane and the sagittal plane such that the beam spot is projected onto the wafer with high luminous energy. Some embodiments of the system include a lens system comprising at least two cylindrical lens.

The present application discloses a power level management system and method for an electronic shelf label. The system comprises: multiple electronic shelf labels, used for displaying electronic shelf label content and charging themselves by harvesting and conversing luminous energy and energy from other sources, and collecting and reporting their own electronic shelf label state information; an electronic shelf label base station, used for forwarding, on the basis of a preset communication protocol, the electronic shelf label state information received from the plurality of electronic shelf labels; an electronic shelf label management device, used for sending a power level maintenance instruction to an electronic shelf label power level maintenance device to perform power level maintenance on different electronic shelf labels; and the electronic shelf label power level maintenance device, used for charging the electronic shelf labels on the basis of different charging modes corresponding to an electronic shelf label power level management strategy carried by the power level maintenance instruction.

The application discloses a kind of quasi-distributed gas monitoring device and method based on hollow anti-resonance optical fiber, the device includes the first laser and hollow anti-resonance optical fiber connected in turn, N micro-holes are provided on the hollow anti-resonance optical fiber;The micro-hole is set in the position to be monitored, and each micro-hole is close to the setting of N acoustic sensors with preset distance;The acoustic sensor is optical fiber film microcavity pressure sensor, adopts end face elastic diaphragm structure;The application utilizes acoustic sensor to detect the sound wave signal excited by the thermal effect of the gas molecules to be measured into the hollow core part of hollow anti-resonance optical fiber through micro-hole and absorb excitation light energy, solve the problem that the existing gas detection technology based on photoacoustic spectroscopy involves more complex acoustic sensing unit and higher manufacturing cost, signal transmission is susceptible to electromagnetic interference, it is difficult to realize the miniaturization, high sensitivity, long distance quasi-distributed gas detection.

A medical control device 9 comprises a control unit 94 for executing each of first and second controls. The first control is a control for changing at least one of: the light emission energy of light emitted from a light source 31; the exposure time of an imaging element 52 for imaging return light from an observation target based on irradiation of the light emitted from the light source 31 and outputting pixel signals; an analog gain for adjusting the brightness of an image based on the pixel signals; and a digital gain for adjusting the brightness of the image based on the pixel signals. The second control is a control for changing the transmittance of light in a light amount adjustment optical element 33 disposed on an optical path through which the light emitted from the light source 31 propagates from the light source 31 to the observation target. The control unit 94 executes the first and second controls in a specific order as the brightness of the image based on the pixel signals becomes brighter.

The application provides a display panel and a preparation method of the display panel. The display panel comprises a substrate, a light-emitting device layer and a chromaticity adjustment layer. The light-emitting device layer is located on one side of the substrate, and comprises a plurality of light-emitting pixel units. The chromaticity adjustment layer is located on the side of the light-emitting device layer away from the substrate, and comprises a plurality of chromaticity adjustment units. The light emitted by the light-emitting pixel units irradiates the chromaticity adjustment units, and the chromaticity adjustment units are excited to emit light of the same color in the direction away from the light-emitting device layer. The light-emitting energy of the chromaticity adjustment units is not greater than the light-emitting energy of the light-emitting pixel units. In the display panel, the chromaticity adjustment units can absorb the light of high energy, i.e. the light with large chromaticity deviation, emitted by the corresponding light-emitting pixel units at a large exit angle, and are excited to generate light of low energy, i.e. light of the corresponding expected color, so that the color gamut is optimized and the color deviation phenomenon is improved.

To provide a laser amplifier in which the deformation of seed light due to a thermal lens is suppressed even if the energy of excitation light becomes high.SOLUTION: A laser amplifier includes a laser amplification medium 1b having a rectangular cross section perpendicular to an optical path of seed light, a pair of metallic blocks 2a and 2b joined to two wider surfaces 11 and 12 facing each other among four surfaces of the laser amplification medium parallel to the optical path, a pumping source that outputs pumping light for pumping the laser amplification medium, and a collimating lens that collimates the pumping light.SELECTED DRAWING: Figure 5

The utility model discloses a mailbag box with a light energy lighting function, the upper end of a mailbag box body is fixedly connected with a lighting cabinet used for installing a lighting lamp, the top of the lighting cabinet is concavely provided with a photovoltaic module installation mechanism, a photovoltaic module is packaged in the photovoltaic module installation mechanism, and the photovoltaic module is connected with the lighting cabinet. And a power supply is continuously provided for an illumination lamp arranged in the illumination cabinet through the photovoltaic module. According to the scheme, the photovoltaic module and the lighting lamp are additionally arranged, the photovoltaic module continuously supplies power to the lighting lamp, carbon emission can be effectively reduced, and the multifunctional intelligent express delivery box is clean, environmentally friendly, economical and capable of being used as a lighting night lamp for delivering letters or packages at night.

The utility model provides a light-emitting element and a light-emitting device, the light-emitting element comprises a substrate, a light-emitting epitaxial layer and a Zener diode, the light-emitting epitaxial layer and the Zener diode are located on the same surface of the substrate, the light-emitting epitaxial layer is provided with a circular light-emitting surface, and the Zener diode is located at a corner between the circular light-emitting surface and the edge of the substrate. According to the utility model, the epitaxial layer at the corner of the square light-emitting diode in the prior art is etched and removed, and the outline of the light-emitting epitaxial layer is designed to be circular, so that the Zener diode can be arranged at the corner at the periphery of the light-emitting epitaxial layer, that is, the Zener diode is moved to the inside of the substrate, thereby avoiding occupying the external area, and improving the light-emitting efficiency. Therefore, a die bonding area can be expanded as much as possible, a substrate and a light-emitting epitaxial layer with larger areas can be placed, and the maximum utilization of the packaging substrate is realized. Meanwhile, compared with a square light-emitting surface, the light-emitting energy efficiency of the round light-emitting surface can be further improved.

The invention discloses a rare earth doped green phosphor Na 1‑x BaB9O 15 :xEu 2+ The preparation method provided by the present invention utilizes a step-by-step acid-base neutralization reaction to obtain a precursor mixture, thereby reducing the potential energy barrier in the subsequent solid-phase synthesis reaction and making the Eu in the rare earth-doped green phosphor 2+ Ions only dope into the Na site in the matrix, not into the matrix NaBaB9O 15 The Ba lattice sites or lattice gaps in the lattice are removed, thereby improving the conversion efficiency of excitation light energy to green light emission energy. The method of the present invention is simple to operate, has a low synthesis temperature, a short synthesis time, and strong repeatability. The raw materials used are simple and readily available, and are not highly environmentally polluting, making it suitable for large-scale production. The resulting luminescent material can absorb energy from near-ultraviolet to blue light bands and emit green light with a main peak stably located at 515nm. It has high luminous efficiency and can serve as a supplement to the green fluorescent materials currently used in white light LED devices based on near-ultraviolet-blue light chips, and is applicable to devices in related fields such as lighting and display.

The invention discloses a WLED (White Light Emitting Diode) glue sealing method based on partitioned glue sealing. The sealing compound covers the LED chip and is filled in the LED bracket; carrying out subdivision on the sealing glue area, carrying out partitioning according to the exciting light energy density of the LED chip in the sealing glue area, dividing the area with relatively low energy density into a weak excitation area, dividing the area with relatively high energy density into a strong excitation area, and then carrying out sealing glue on the weak excitation area and the strong excitation area by using fluorescent powder glue step by step in sequence, respectively forming a weak excitation sealing compound and a strong excitation sealing compound; the fluorescent powder glue is prepared by mixing fluorescent powder glue and silica gel; the weak excitation sealing glue improves the consistency of spatial distribution under the combined action of centrifugal force and surface tension of fluorescent powder colloid; the strong excitation sealing compound improves the amplitude of the emitted spectrum and the luminous efficiency, and reduces the reabsorption of the fluorescent powder in the weak excitation sealing compound; the WLED device is applied to the WLED glue sealing method. The WLED applies purple light to excite fluorescent powder to emit green light and supplement light corresponding to the purple light and the green light, and two pairs of complementary light are synthesized into a white light spectrum; the color temperature of the WLED is improved by applying the cyan light, and the problems of low color temperature and high purple light radiation of the zero-blue-light WLED excited by the purple light are solved.

The utility model discloses a light energy hair straightener. According to the luminous energy hair straightener, an upper handle assembly and a lower handle assembly are each provided with an installation cavity, each installation cavity is provided with a hair straightening plate and a light-emitting part, the light-emitting parts are arranged on the inner sides of the hair straightening plates, the upper handle assembly or the lower handle assembly is further provided with a control panel, the light-emitting parts are electrically connected to the control panel, and the hair straightening plates are provided with light holes. The control panel controls the light-emitting part to work to generate heat and emit infrared rays, the heat is transmitted to the hair straightening plate, and the infrared rays are emitted out along the light holes. According to the hair straightener, the light-emitting part is adopted as a heating element, the light-emitting part not only can generate heat during working, but also can emit infrared rays, and due to the fact that the heating response speed of the light-emitting part is high, the hair straightener can rapidly reach the ideal working temperature, the preheating time is shortened, and the shaping efficiency of a user is improved; meanwhile, infrared rays emitted by the light-emitting part during working directly act on the hair, so that heat damage is reduced, and the hair is softer and more glossy.

The invention discloses an ultraviolet / blue light enhanced rare earth nano composite material, a preparation method and application in acrylate photopolymerization. The rare earth nano composite material comprises a rare earth nano material and an organic coordination molecular layer arranged on the surface of the rare earth nano material; the rare earth nano material comprises a light-emitting layer and a first energy capture layer arranged outside the light-emitting layer, and an energy transfer channel is formed between the first energy capture layer and the light-emitting layer; the main component of the organic coordination molecular layer is pyridine-2-formic acid. The luminescent layer in the rare earth nano composite material is used for capturing energy and emitting light, and the first energy capture layer is used for additionally obtaining excitation energy and transmitting the excitation energy to the luminescent layer, so that the excitation light energy capture capability is improved, the luminescent intensity is improved, the photopolymerization reaction is promoted, and the purpose of improving the photopolymerization reaction effect is achieved; the pyridine-2-formic acid is used for carrying out surface protection on the rare earth nano composite material and promoting energy transfer, so that the photopolymerization reaction effect is improved.

To provide a light-emitting element with high emission efficiency and low driving voltage. The light-emitting element includes a guest material and a host material. A LUMO level of the host material is higher than a LUMO level of the host material, and a HOMO level of the guest material is lower than a HOMO level of the host material. The guest material has a function of converting triplet excitation energy into light emission. The difference between a singlet excitation energy level and a triplet excitation energy level of the host material is greater than 0 eV and less than or equal to 0.2 eV. The energy difference between the LUMO level and the HOMO level of the host material is larger than or equal to light emission energy of the guest material.

The invention discloses a liquid suspension light energy driven self-rotating mechanism and a mechanism core body thereof. The mechanism core comprises a rotating shell, a base body located in the rotating shell, a first magnet assembled on the base body, a plurality of induction coils assembled on the base body, a second magnet assembled on the rotating shell and matched with the induction coils in a magnetic force mode, and a plurality of light energy plates arranged around the rotating center line and assembled on the base body. The inner suspension liquid is positioned in the rotating shell; and the luminous flux control bracket is assembled in the rotating shell and rotates along with the rotating shell. The luminous flux control support is provided with luminous flux through holes for exposing part of the luminous energy plates and being irradiated by external light, and the luminous flux through holes sequentially expose the luminous energy plates at different positions in the rotating process of the luminous flux control support. Each light energy plate is electrically connected with the corresponding partial induction coil; or part of the light energy plates are electrically connected with the corresponding induction coils; therefore, the core body of the mechanism does not need to use a control circuit board.

The present invention relates to the technical field of nanocrystal materials, and in particular to a rare earth doped nanocrystal with a core-shell structure and a preparation method and application thereof. The rare earth doped nanocrystal with a core-shell structure includes a NaYF4 core, a NaYbF4:Er,Ce intermediate shell layer, and a NaYF4:Ca outer shell layer from the inside to the outside. The present invention uses the NaYF4 core as a template to enable the nanoparticles to grow uniformly, thereby ensuring the controllability of the particle morphology and size; then, the content of the sensitizer Yb is increased in the intermediate shell layer, effectively avoiding the long-range energy transfer generated by the excitation light between the luminescent center ions Er; at the same time, Ce ions are doped in the intermediate shell layer to suppress the up-conversion luminescence process of the rare earth doped nanoparticles, thereby more efficiently transferring the excitation light energy to the emission energy level in the near-infrared light region; finally, by coating the outermost layer with an inert shell layer, the surface defects caused by the high-doping sensitizer and the interference of the external environment on the luminescent center Er ions in the intermediate shell layer are effectively suppressed.

The embodiment of the invention discloses a visible light band laser. According to a specific embodiment of the method, an integrated laser gain reflector, an excitation beam control optical element, a polarization control optical element and a frequency conversion optical element are seamlessly integrated on an optical integrated substrate; a fundamental frequency infrared laser layer in the gain reflector of the integrated laser is composed of each pair of exciting light energy absorption layer and fundamental frequency infrared laser emission layer; the excitation light beam control optical element comprises an excitation light beam control optical element reflecting surface I and an excitation light beam control optical element reflecting surface II; the frequency conversion optical element comprises a second frequency conversion optical element reflecting surface. According to the embodiment, the difficulty of obtaining the visible light wave band laser can be reduced, the wavelength diversity and wave band diversity of the generated visible light are improved, the portability and maneuvering characteristics of the laser are improved, and the stability of obtaining the visible light wave band laser is improved.

The invention belongs to the technical field of display, and relates to a photoelectric device, a preparation method thereof and a display device. The photoelectric device comprises a first electrode, a first quantum dot layer, a second quantum dot layer and a second electrode which are sequentially stacked. The first quantum dot layer is made of a first quantum dot material, the second quantum dot layer is made of a second quantum dot material, and the band gap of the first quantum dot material is larger than that of the second quantum dot material. The band gap of the first quantum dot layer is larger than that of the second quantum dot layer, so that when the photoelectric device works, the first quantum dot layer serves as a light harvesting antenna, an internal material of the first quantum dot layer transitions to an excited state after absorbing exciting light energy, and excitons are all converged into the second quantum dot layer with a relatively narrow band gap through energy transfer; therefore, the second quantum dot layer plays a main light-emitting role, and the light-emitting brightness and external quantum of the light-emitting device are further improved.

The utility model discloses an artistic water cup using heat energy lifting and light energy power generation to drive a cup cover ornament, which comprises a cup body and a cup cover in threaded connection with the upper part of the cup body, and further comprises a cold and hot lifting device, an inner concave cavity is formed in the middle of the upper end of the cup cover, and the cold and hot lifting device is fixedly arranged at the inner bottom of the inner concave cavity; provided is an optical energy ornament. The artistic water cup with the cup cover ornament driven by the heat energy lifting and light energy power generation is composed of the light energy ornament, a cold and hot lifting device, a transparent cup cover, the cup cover and a cup body, and when hot water is poured into the cup and the surrounding environment has certain illumination, the cold and hot lifting device in the cup cover automatically rises after sensing the temperature of the hot water in the cup; the luminous energy ornament is lifted upwards into the transparent cup cover to be displayed, and meanwhile, the luminous energy ornament swings back and forth or left and right after being illuminated, so that a semiconductor thermoelectric power generation device is replaced by a low-price monocrystalline silicon luminous energy power generation sheet, the cost is reduced, and double artistic ornamental effects of a dynamic ornament are generated.

The invention relates to the field of photovoltaic tracking, in particular to a photovoltaic tracking steering panel bracket. The invention aims to overcome the defect that the luminous energy conversion efficiency is poor due to the fact that the existing photovoltaic tracking steering panel bracket technology is low in accuracy. Comprising a base, a first rotating shell is fixedly connected to the base, a second rotating shell is fixedly connected to the first rotating shell, a rotating table is rotationally connected to the second rotating shell, a first inclined frame is fixedly connected to the rotating table, a photovoltaic bracket is rotationally connected to the first inclined frame, and a heat absorption mechanism and a photovoltaic panel are installed on the photovoltaic bracket. And a rotating mechanism is arranged in the second rotating shell. The inclination mechanism and the rotating mechanism are used for absorbing light energy to generate heat, the heat energy is converted into mechanical energy for movement of the device, the photovoltaic panel is driven to incline, loss in the energy conversion step is reduced, the effective utilization rate of the light energy is improved, the photovoltaic panel is driven to face the sun all the time through the heat generated by the rotating mechanism, the rotating precision is improved, and the energy consumption is reduced. And the light energy conversion efficiency is improved.