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284 results about "Colored light" patented technology

Devices, methods and a visual display involving metamaterial filters

Devices configured to emit colored light when illuminated with ultraviolet light and color-shifting displays containing the same are disclosed.
Owner:AUTHENTIX INC

Illumination System

An illumination system is provided, having a handpiece with an illumination unit and a semiconductor lighting element which provides a radiation of essentially blue light in the wavelength between 400 nm and 500 nm, and a light guide unit connectable to the handpiece. The light guide unit includes a fiber-optic light guide rod, having a proximal end face and a distal end face, and a sleeve. The fiber-optic light guide rod is fixed in the sleeve by a first adhesive in a portion of the proximal end face. The light guide unit has a converter, for converting the radiation of a semiconductor lighting element in the operating state into a distal radiation of the fiber-optic light guide rod at its distal end face. The distal radiation in the operating state has essentially white and / or color-neutral light, or colored light, a wavelength in the visible spectral range.
Owner:SCHOTT AG

Double-color light mixing LED structure and preparation method thereof

PendingCN120916544AColored lightSemiconductor
The invention discloses a double-color light-mixing LED structure and a preparation method thereof, relates to the technical field of semiconductor photoelectronics, and realizes chip-level double-color light mixing by integrating two independent epitaxial light-emitting units on the same epitaxial wafer, thereby not only greatly simplifying the preparation process, but also remarkably improving the light mixing uniformity and the light color stability. The double-color light-mixing LED structure comprises a first epitaxial light-emitting unit in a central area, and the first epitaxial light-emitting unit emits first colored light; the second epitaxial light-emitting unit in the peripheral area emits second colored light, and the peak wavelength of the second colored light is longer than that of the first colored light; the second epitaxial light-emitting unit is arranged around the first epitaxial light-emitting unit, and the first colored light and the second colored light are emitted after being mixed.
Owner:NANCHANG UNIV +3

Light-emitting device

To provide a light-emitting device that emits amber-colored light and has good temperature characteristics. The light-emitting device includes a light-emitting element having a light emission peak wavelength in a range from 380 nm to 470 nm, and a wavelength conversion member including phosphors that absorb at least a part of light from the light-emitting element and emit light. The phosphors include a first phosphor having a light emission peak wavelength in a range from 535 nm to 560 nm, having a half-value width in a range from 100 nm to 120 nm, and containing a nitride containing La, Ce, and Si, and a second phosphor having a light emission peak wavelength in a range from 605 nm to less than 620 nm, having a half-value width in a range from 70 nm to 80 nm, and containing a nitride containing at least one of Ca or Sr, and Eu, Si and Al. The light-emitting device emits light within a region defined by connecting (0.545, 0.425), (0.560, 0.440), (0.609, 0.390), and (0.597, 0.390) in an xy chromaticity coordinate system of a CIE1931 chromaticity diagram.
Owner:NICHIA CORP

Display device with infused color information in monochromatic visual information using spatially addressable backlight generator

Some implementations related to a display device that includes a display surface and a monochromatic image generator. The generator may be designed to produce monochromatic visual information for display, incorporating a primary light source and a transflective spatial light modulator. The display device may include a spatially addressable backlight generator configured to backlight the transflective spatial light modulator. This generator may include an array of colored light sources, which are driven to selectively emit light towards a non-reflective side of the modulator, infusing colored light into the monochromatic visual information. This may result in infused color information being presented at the display surface with the monochromatic visual information. The display device may include one or more processors configured to effectuate the presentation of the infused color information.
Owner:DAYLIGHT COMPUTER CO

Storyteller device having synchronized light projection and audio playback of recorded stories

A children's toy, and electronic device, plays audio files and projects differently-colored light patterns onto a surface in a room in which the device is placed. The light patterns are projected in synchronization with the playback of such audio files. The device allows users to select from different nature sounds, different melodies, or multiple pre-recorded children's stories. The device also enables users to record their own stories for each of several environments, and playback their custom stories together with projections of light in each environment.
Owner:BTL DIFFUSION SARL

Rapid colored lamp assembling device based on modular structure

The utility model discloses a colored lamp rapid assembly device based on a modular structure, and belongs to the technical field of colored lamp rapid assembly. A colored lamp rapid assembling device based on a modular structure comprises a first mounting groove, a movable rod and a rack, a second mounting groove is slidably formed in one side of the first mounting groove, and a colored lamp band body is mounted at the top of the first mounting groove and the top of the second mounting groove in a limiting mode; the top of the first installation groove is fixedly provided with a second electricity induction strip matched with the colored lamp band body. Through mutual cooperation of the movable block, the spring, the movable rod and the attaching frame, the colored lamp band body is installed on the first installation groove and the second installation groove, lines on the colored lamp band body are connected through the attaching frame, and the problems that in the prior art, wires are inconvenient to connect in the connecting process, and the connecting efficiency is high are solved. Therefore, the connection is difficult, and the working efficiency is reduced.
Owner:ZIGONG TENGDA LANTERN CULTURE & ART CO LTD

Electronic devices with curved display surfaces

An electronic device may have a display mounted in a housing. The display may have a pixel array that produces images. A display cover layer may overlap the pixel array. The display cover layer may have a planar central area surrounded by a peripheral edge area with a curved cross-sectional profile. From an on-axis viewing angle, an image on the pixel array is fully viewable through the planar central area and the peripheral edge area. From an off-axis viewing angle, the image is partly viewable through the peripheral edge area and not through the central area. To avoid an undesired color cast in the partly viewable image seen through the peripheral edge area of the display cover layer, the display may be provided with color cast compensation structures such as a guest-host liquid crystal layer that exhibits an anisotropic colored light absorption characteristic, a diffuser layer, and / or other optical structures.
Owner:APPLE INC

Appearance inspection system for electronic component

PCT designated stageWO2026176980A1Image detectionFirst light
Provided is an appearance inspection system capable of accurately detecting breakoff of a terminal electrode (W1) of an electronic component. This appearance inspection system comprises: an inspection unit (100) provided with an illumination means that illuminates an inspection object (W), a conveyance means (1) that conveys the inspection object, and an imaging means (2); an inspection control unit (200) provided with an image acquisition unit (31) that uses, as an inspection image, an image signal from the inspection object acquired by the imaging means, an image processing unit (32) that performs image processing on the inspection image, a determination unit (34) that determines the inspection image, and a system control unit (35) that controls the illumination means, the conveyance means, and the imaging means; and a communication means (4) that connects the inspection unit and the inspection control unit. The illumination means is composed of an upper surface illumination device (10) and a lower surface illumination device (20) which are disposed above and below the conveyance means, respectively, so as to face each other. The upper surface illumination device is provided with an opening (15) for capturing an image of the inspection object. Each of the upper surface illumination device and the lower surface illumination device is provided with a first light source group which is disposed in a manner orthogonal to the conveyance direction of the conveyance means, a second light source group which is disposed in a manner oblique to the conveyance direction of the conveyance means, and a third light source group which is disposed in a manner horizontal to the conveyance direction of the conveyance means. The light source arrangements of the first light source group and the second light source group are in a mode in which red-colored light sources and blue-colored light sources are arranged in a staggered manner. The light source arrangement of the third light source group is in a mode in which only green-colored light sources are arranged. The imaging means is disposed such that an imaging optical axis (X) is at an elevation angle (θ) of 5-60° with respect to the conveyance direction (A) of the conveyance means at an inspection position (P) on the conveyance means.
Owner:VS TECHNOLOGY CORPORATION

A restraint distance sensing anti-puncture alarm glove and its use method

This invention relates to the field of medical and nursing device technology, and in particular to a restraint-type distance-sensing anti-extubation alarm glove and its method of use. The glove includes a restraint glove with a fixing strap on one side of its surface. A magnet is fixedly connected to the top of the fixing strap, and a magnet is disposed within the inner cavity of the magnet. This invention combines physical restraint with intelligent early warning, catheter positioning, and catheter angle adjustment. Through a specially designed enclosed space on the right side of the restraint glove's inner cavity, the range of motion of the patient's ring and little fingers is physically restricted, effectively preventing the patient from pulling the tube by clenching their fist. Simultaneously, a distance monitoring system is constructed using positioning chips one, two, and three. When hand movements pose a risk, multiple alerts are provided through different colored lights, alarm sounds, and vibrations, offering comprehensive warnings to the patient and medical staff from auditory, visual, and tactile dimensions, allowing for timely measures to prevent extubation.
Owner:南京市江宁医院

Digital sand table-oriented minimum system and end-to-end light field rendering method

The invention discloses a digital sand table-oriented minimum system and an end-to-end light field rendering method, and compared with a traditional light field rendering method, the digital sand table-oriented minimum system and the end-to-end light field rendering method adopt a light-level end-to-end rendering method based on a neural network, so that viewpoint synthesis and pixel coding steps in a current light field rendering process are saved. According to the invention, only the light under the viewing angle is rendered based on the human eye position, so that the light field rendering process is simplified, and the light field rendering speed is remarkably improved. Besides, a gray NeRF model with small depth and width is adopted to render most of gray light under the viewing angle according to a proportion, and a color NeRF model with large depth and width is adopted to render a small part of color light under the viewing angle according to a proportion, so that compared with a method for rendering the light only by using the color NeRF model, the method has the advantages that the light rendering efficiency is greatly improved; according to the method, the rendering speed is increased, and the method is more in line with human visual watching characteristics.
Owner:NANJING UNIV

Electrical circuit arrangement for lighting purposes

The invention relates to an electrical circuit arrangement (1) for a strip-shaped carrier (2) for lighting purposes for alternatively generating colored or white light, comprising a plurality of identical base units (3) extending along the carrier (2), each consisting of three colored light-emitting lighting elements (4a, 4b, 4c) and at least one fourth white light-emitting lighting element (4d), a supply or ground line (5d), and three control lines (5a, 5b, 5c) for individually controlling and supplying the lighting elements (4a, 4b, 4c, 4d) with a supply voltage. Each of the three colored light-emitting lighting elements (4a, 4b, 4c) is individually connected between one of the three control lines (5a, 5b, 5c) and the supply or ground line (5d). According to the invention, only the three control lines (5a, 5b, 5c) mentioned are provided for controlling the circuit arrangement (1).The fourth lighting element (4d) is connected antiparallel to a first of the colored light-emitting lighting elements (4a), so that a fourth control line can be dispensed with.
Owner:HFH SOLUTIONS GMBH & CO KG

Remote color matching devices and system

The invention comprises a method and system for cost effective, convenient remote high fidelity color reproduction and matching that can be used to convey color to observers remote from the physical source of color. Such remote observers can include product consumers wishing to view a product color, for example. In a preferred embodiment, the method comprises capture of article or product reflectance spectra and the use of this spectrum to filter ambient light or directed light in the environment of a user remote from the article or product. Other embodiments of methods include various techniques to capture product spectral information and color matching functions useful for color reproduction using colored light sources. Additional systems embodiments include devices exploiting multiprimary displays to render the product color with reduced metamerism.
Owner:DAVIS DENNIS WILLARD +2

Multi-color light mixing method and apparatus, system, and computer device

PCT designated stageWO2026138953A1GamutColored light
The present application provides a multi-color light mixing method and apparatus, a system, and a computer device. The method comprises: acquiring target chromaticity coordinates and target luminance of target colored light, and chromaticity coordinates and luminance of four mixing colors; obtaining three determination regions on the basis of the chromaticity coordinates of the four mixing colors; determining a target determination region into which the target chromaticity coordinates of the target colored light fall, the target determination region being one of the three determination regions; and on the basis of chromaticity coordinates and luminance of three vertices of the target determination region and the target chromaticity coordinates of the target colored light, determining mixing proportions of the various colors required for forming the target colored light. The present application provides a novel light mixing algorithm. The three determination regions are set according to a preset directional projection manner on the basis of a color gamut range formed by four colors, so that the mixing proportions of the four colors are calculated by determining the determination region into which the target colored light falls, thereby completing light mixing on the basis of the mixing proportions, and controlling output of the target colored light.
Owner:SUZHOU OPPLE LIGHTING +1

Projector with field lens

ActiveUS12720020B2Optical axisDisplay device
A projector having a curved field lens and a displaced light modulating display. The system includes at least one light source configured to generate colored light beams, and a prism routing the light beams to the display. The curved field lens is coupled to a face of the prism, and the prism and curved field lens together decenter the light beam from the prism face and uniformly illuminate the display. A center of the display is displaced from the projection lens optical axis. The decentered light beam and the displaced display together generate a favorable shifted boresight of the created image. Dimensions of components of the projector are a function of a curvature of the curved field lens. The greater the curvature of the curved field lens, the smaller the dimensions of the components and the overall projector. The projector may be used in eyewear.
Owner:SNAP INC

Transmission-type color gray scale card and color correction method for image pickup apparatus

The invention provides a transmission-type color gray scale card and a color correction method of an image pickup apparatus. A transmission-type color gradation card is provided with: a color card member having at least one color bar in which transmitted light is colored; and a gray-scale card member having a plurality of transmissive regions in which transmitted light is achromatic and differing in brightness, the color card member and the gray-scale card member being laminated so as to have a repeating transmissive region in which the color bar and the plurality of transmissive regions overlap in plan view.
Owner:DAI NIPPON PRINTING CO LTD

LED street lamp convenient to install and maintain and having decorative effect

The LED street lamp convenient to install and maintain and having the decorative effect comprises a bottom flange, a base connected with the bottom flange, four lamp poles connected with the base and a top fixing base connected with the top ends of the four lamp poles, two LED lamp caps are installed at the top fixing base, and decorative lighting units are installed at the positions of the four lamp poles. According to the street lamp, the decorative lighting unit is installed, and the light-transmitting cover is the colored light-transmitting cover, so that the decorative effect is improved. The light-transmitting cover is convenient to install and maintain, the waterproof sealing performance is improved through the rubber sealing strip, and rainwater is prevented from permeating. In addition, the light utilization efficiency of the LED light-emitting unit can be improved through the reflecting plate.
Owner:YANGZHOU YANGYANG LIGHTING EQUIP CO LTD

Cylindrical plugging teaching aid for children

The utility model discloses a cylindrical plugging teaching aid for children, relates to the technical field of children education, and provides the following scheme for solving the problems proposed in the background technology: the cylindrical plugging teaching aid comprises a bottom frame, the left side and the right side of the bottom frame are fixedly connected with two limiting shafts, the surfaces of the limiting shafts are rotatably connected with movable wheels, and the right side of the bottom frame is provided with a battery jar; three special-shaped holes are formed in the front face of the bottom frame, and teaching assemblies are inserted into the inner walls of the three special-shaped holes. The round rod, the triangular rod and the hexagonal rod can be inserted into the round slot, the triangular slot and the hexagonal slot respectively, the recognition ability, the logical thinking ability and the operational ability of children can be exercised in the process, and meanwhile after insertion, the two active conducting strips are connected with the first passive conducting strip and the second passive conducting strip through wires. The battery supplies power to the circular colored lamp and the loudspeaker, emits colored light and plays music of children, can attract interest of the children and promote the children to play repeatedly, and has a good educational effect on the children.
Owner:GUANGZHOU QINGYA EDUCATION TECHNOLOGY CO LTD

Lighting device for illuminating an aquarium

A LIGHTING DEVICE for illuminating an aquarium (100), comprising: —a base layer (111, 611); —a plurality of lighting elements (111, 112, 113, 212, 213) mounted on the base layer (111, 611) and comprising a first and a second subset (630A) of lighting elements (111, 112, 113, 212, 213) arranged for emitting a first and a second spectrum of light respectively; —a light transmission affecting device arranged for affecting the transmission of light from the plurality of lighting elements (111, 112, 113, 212, 213); wherein the light transmission affecting device is arranged for passing (420) at least a part of the light from at least one lighting element (112, 212, 213, 312) of the first subset (112) having the first emitting spectrum and processing (430) the light from at least one lighting element (112, 212, 213, 312) of the second subset (630A) having the second emitting spectrum; wherein the first emitting spectrum comprises white light or a first colored light; wherein the first colored light comprises wavelength in a first range with peak wavelength below (485) 485 nm; and the second emitting spectrum comprises a second colored light; wherein the second colored light comprises wavelength in a second range with a peak wavelength larger than 485 nm.
Owner:SIGNIFY HOLDING BV

Light source assembly for communication, preparation method and optical interconnection system

The invention provides a light source assembly for communication, a preparation method and an optical interconnection system, the light source assembly comprises a driving substrate, a driving circuit is arranged on the driving substrate, a plurality of Micro LED light source units are distributed on the driving substrate, the Micro LED light source units are arranged to emit light signals to corresponding optical fiber cores, the Micro LED light source units comprise a plurality of light emitting units, and the light emitting units are arranged on the driving substrate. The wave crest wavelengths of colored light generated by any two of the plurality of light emitting units are different, and the light emitting units can be independently driven by the driving circuit to generate light signals; according to the optical interconnection system, the optical signals generated by the light emitting units in the corresponding Micro LED light source units can be transmitted by the corresponding optical fiber cores, so that the data transmission efficiency of each optical fiber core is improved, and the data transmission efficiency of the optical interconnection system is further improved.
Owner:RAYSOLVE OPTOELECTRONICS (SUZHOU) CO LTD

Light emitting device

PendingCN121803831Alimited purityLimited color rendering indexLight source combinationsElectrical apparatusBlack-body radiationRadiation rays
The light-emitting device provided by the embodiment of the invention comprises an RGB light-emitting assembly and a spectrum supplementing unit, the RGB light-emitting component comprises a blue light unit, a green light unit and a red light unit of which the color purity is greater than 0.7; the RGB light-emitting assembly is used for providing color light and participating in dimming of mixed white light; the spectrum supplementing unit is used for emitting warm white light to supplement light emitted by the RGB assembly so as to emit mixed white light with the color tolerance smaller than 5SDCM; the CRI (Ra) of the spectrum supplementing unit is smaller than 75, so that the light-emitting device can emit mixed white light close to blackbody radiation within the range of 1800-2700 K through the matching of the light intensity proportion between the red light unit and the spectrum supplementing unit. The light-emitting device can realize that mixed white light is closer to blackbody radiation rays in a range of 1800K-6500K.
Owner:BRIDGELUX OPTOELECTRONICS (XIAMEN) CO LTD

Temperature-controllable disperse dye reaction kettle

The invention provides a temperature-controllable disperse dye reaction kettle, and relates to the technical field of reaction kettles, the temperature-controllable disperse dye reaction kettle comprises an outer kettle shell, the outer kettle shell is made of a high-strength material, can stably support internal components, isolates interference of an external environment on reaction in the kettle, and plays a core role in overall supporting and protection; the outer kettle shell is internally provided with an inner kettle, the inner kettle is made of a corrosion-resistant material with adaptive heat-conducting property and can be in direct contact with a disperse dye reaction system, the middle-layer heat exchange pipes are uniformly distributed along the inner wall of the inner kettle in the circumferential direction, so that the local temperature deviation in the kettle can be accurately compensated, and the temperature gradient and the micro-level of the edge and the center are avoided; the heat conduction oil is introduced into the hollow channels of the hollow stirring shaft and the paddles, and is matched with the heat dissipation holes in the surfaces of the paddles, so that a heat exchange function is permeated to a material core area, the problem of disperse dye colored light deviation caused by uneven temperature is greatly reduced, meanwhile, dye particle aggregation is effectively inhibited, and the stability and consistency of dye products are remarkably improved.
Owner:ZHEJIANG YUTAI TECH CO LTD

Illuminating system and projector thereof

The invention provides an illumination system and a projector thereof. The illumination system receives colored light of a light source module of the projector to form a projection beam and comprises a lens array element, a digital micromirror element, a refraction element and a projection lens. The lens array element is arranged on the light emitting axis of the light source module so as to carry out dodging shaping on colored light transmitted from the light source module. The digital micro-mirror element has a micro-array reflection region for modulating the reflected color light to form a projection beam to be emitted along a projection optical axis. The refractive element is arranged between the lens array element and the digital micro-mirror element and is used for amplifying the colored light transmitted from the lens array element and guiding the colored light to enter the digital micro-mirror element and cover the micro-array reflecting area. The projection lens is arranged on the projection optical axis and used for receiving the projection light beam for image projection.
Owner:QISDA OPTRONICS (SUZHOU) CO LTD +1

Multi-primary additive color mixing method and apparatus, system, and computer device

PCT designated stageWO2026138956A1GamutColored light
The present application provides a multi-primary additive color mixing method and apparatus, a system, and a computer device. The method comprises: acquiring chromaticity coordinates and luminance of four additively mixed colors; determining four corresponding determination regions according to the chromaticity coordinates of any three of the four additively mixed colors; acquiring a target chromaticity coordinate and target luminance of target colored light; determining a target determination area in which the target chromaticity coordinate of the target colored light falls, the target determination area being one of the four determination areas; and according to chromaticity coordinates and luminance of three vertices of the target determination area and the target chromaticity coordinate and the target luminance of the target colored light, determining a light mixing ratio of the colors required to form the target colored light. The present application provides a brand-new multi-primary color mixing algorithm, which cross-partitions a color gamut range defined by four primary colors to obtain four determination regions formed on the basis of any three of four additively mixed colors, and computes a light mixing ratio of the four colors by determining a determination region in which target colored light falls, so as to complete mixing on the basis of the light mixing ratio and thereby control output of the target colored light.
Owner:SUZHOU OPPLE LIGHTING +1

Simulated candlelight response circuit based on magnetic field induction and control method thereof

The invention relates to the technical field of simulated candlelight, and discloses a simulated candlelight response circuit based on magnetic field induction and a control method thereof.The simulated candlelight response circuit comprises an input power circuit, a charging protection circuit, a storage battery module, a booster circuit, an MCU control circuit, a signal detection circuit and a lamp control circuit, and the output end of the input power circuit is connected with the input end of the charging protection circuit; the output end of the charging protection circuit is connected with one port of the storage battery module, one port of the storage battery module is connected with the input end of the booster circuit, the output end of the booster circuit is connected with the input ends of the MCU control circuit, the signal detection circuit and the lamp control circuit, and the signal control end of the MCU control circuit is connected with the signal control end of the signal detection circuit. The MCU control circuit lamp control end is connected with the lamp control circuit lamp control end; the circuit comprises an antenna, a built-in induction coil is formed, the change of the magnetic field of the surrounding environment can be monitored in real time, once the change of the magnetic field of the surrounding environment is detected, the electronic candle can automatically lighten candle light, and colored light is added on the basis that the candle is lighted.
Owner:XIAMEN HEDEMAN ELECTRONICS TECH CO LTD

Aquarium system with controlable light and methods

An aquarium system includes an aquarium tank arrangement and a light source. The light source has a controllable output of colored light projecting into the aquarium tank arrangement. The light source can provide a cycle of projecting light of at least two different colors.
Owner:SPECTRUM BRANDS INC

Fire rescue intelligent three-color warning light

ActiveCN309883302SEngineeringComputer vision
1. The name of the design product: fire rescue intelligent three-color alarm light. 2. The use of the design product: for fire rescue alarm linkage response, different colored lights represent various alarm applications. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:王其彪

Cooling fan external hanging colored lamp device

The utility model discloses a cooling fan externally-hung colored lamp device which comprises a shell, a cooling fan installed in the shell and a PCB electrically connected with the cooling fan, and a second electric conductor electrically connected with the PCB is arranged outside the shell. A detachable externally-hung colored lamp is fixed to the outer portion of the shell in a magnetic attraction mode, and a first electric conductor on the externally-hung colored lamp is electrically connected with a second electric conductor on the externally-hung colored lamp. The externally-hung colored lamp is arranged to be of an externally-hung structure and is fixed outside the shell in a magnetic attraction mode to form a quick release structure, the first electric conductor of the externally-hung colored lamp is electrically connected with the second electric conductor outside the shell, so that the externally-hung colored lamp is electrically conducted with the PCB, the externally-hung colored lamp can be quickly disassembled and assembled, other parts do not need to be disassembled and assembled, and the cost is reduced. The LOGO nameplate lamp is simple in structure and convenient to use, a user can conveniently replace the plug-in colored lamps with different LOGO nameplate styles by replacing the plug-in colored lamps with different light types / effects, the freshness feeling and the senior feeling of the product are embodied, and interestingness is enhanced.
Owner:GUANGZHOU ZHIDE ELECTRONICS TECH