20109results about "Semiconductor devices for light sources" patented technology

A job-site tool in one aspect of the present disclosure includes: a display; a flexible printed circuit; and a control circuit. The display is visible tool from outside and includes at least one surface light emitter. The flexible printed circuit includes conductive traces. The at least one surface light emitter is on the flexible printed circuit and is electrically connected to the conductive traces. The control circuit is electrically connected to the display via the conductive traces.

The invention provides an LED lamp intelligent energy-saving control method and system, and the method comprises the steps: obtaining environment illumination intensity data, personnel flow density data and current working state parameters of an LED lamp, which are collected by a plurality of sensors, carrying out the preprocessing of the original data of the sensors, and obtaining a standardized environment perception data set; calculating power resources required by the intelligent control system are evaluated according to the LED lamp control parameter optimization scheme, the brightness output of the LED lamp is controlled according to the calculating power resources, and the current proportion of red, green and blue LED chips is adjusted according to the color temperature; whether the light beam angle needs to be adjusted or not is judged through matching analysis of the light beam angle and environmental perception data, if yes, the lens position of the LED lamp is changed, and the output spectral characteristics of the LED lamp are measured and determined through a spectrum analyzer; after sensor calibration parameters are updated, LED lamp power consumption data are collected, and if the deviation between actual power consumption and a theoretical calculation value is smaller than a preset percentage, it is determined that the energy-saving control effect reaches an expected target.

An LED candle warmer lamp includes a base and a light diffusing shell. The light diffusing shell is connected to the base. An LED light strip is disposed between the base and the light diffusing shell. The LED light strip includes LED lamp beads. A limiting hole allowing a power line to pass through is defined on the light diffusing shell. The power line is electrically connected to the LED light strip. An accommodating groove is defined on a top end of the base. A fixing rod is disposed adjacent to one side of the accommodating groove. A heating lamp disposed over the accommodating groove is connected to the fixing rod. When in use, a candle is placed in the accommodating groove, the heating lamp is turned on, and a switch is turned on to control a brightness and a color temperature of the LED lamp beads.

An electronic candle, including an inner housing, a light element disposed on the inner housing, a candle tube sleeved outside the inner housing and an electronic assembly, the candle tube is light-transmissive and non-transparent, the lighting element emits light that passes through the candle tube; and the electronic assembly includes a printed circuit board assembly (PCBA) and a lamp head, at least a portion of the PCBA is arranged within the inner housing, the PCBA is electrically connected to both the light element and the lamp head, and the lamp head extends through the candle tube.

A lantern-shaped decorative lamp and a lighting device are provided. The lantern-shaped decorative lamp includes a skeleton, a lighting component, and a flexible lampshade. The skeleton is unfoldable or collapsable in a vertical direction. The lighting component is mounted on the skeleton. The flexible lampshade is wrapped around an outer side of the skeleton. In an unfolded state, the skeleton and the flexible lampshade are unfolded to unfold the lantern-shaped decorative lamp. In a storage state, the skeleton and the flexible lampshade are collapsed in the vertical direction to minimize a volume of the lantern-shaped decorative lamp.

A walk-behind mower has a mower deck, a plurality of wheels, a head, and a plurality of light sources. The wheels are rotatably coupled to the mower deck. The wheels move the walk-behind mower over a support surface in a forward direction and a rearward direction. The head is coupled to the mower deck. The head can store at least one battery pack. The light sources are coupled to at least one of the mower deck and the head. The light sources project light through a continuous illumination angle about the walk-behind mower. The illumination angle extends along an arc from the forward direction toward the rearward direction and is at least 90 degrees.

The present disclosure relates to a mirror assembly having a housing, a first mirror, a second mirror, a light source, and a sensor assembly. The first mirror can be positioned within an opening of the housing. The front surface of the second mirror can be coupled to a rear surface of the first mirror. The light source can be disposed on or at least partially around the first mirror. The sensor assembly can be positioned between a rear surface of the second mirror and the housing. The sensor assembly can include a transmitter positioned behind the rear surface of the second mirror and a receiver positioned behind the rear surface of the second mirror. The light source can be activated when the sensor assembly detects a user's presence.

The invention discloses a lamp and a method for improving the lighting effect of the lamp, the lamp comprises a shell, a light-transmitting piece, a main supporting frame and a light source device, the light source device comprises a mounting substrate and a light emitting body, the mounting substrate is provided with a mounting base surface used for mounting the light emitting body, and the light emitting body is configured to emit light; the position of the light source device is lifted to the mounting base surface to approach to the upper edge of the shell from bottom to top or upwards exceed the upper edge of the shell, so that the upper edge of the shell is prevented from interfering with lateral light rays emitted by the light source device from the light transmitting part; according to the lamp, light rays of a single light source are laterally diffused, the light spots formed by the lamp are larger and are better in uniformity by being matched with avoiding matching of the shell and the light-transmitting piece, so that the lighting effect is improved, and the light sensation of the whole space is better; according to the method for improving the lighting effect of the lamp, the lighting effect is improved by lifting the light-emitting body, so that the mounting base surface of the light-emitting body is upwards close to the upper edge of the shell or upwards exceeds the upper edge of the shell, and lateral light rays can avoid the shell to be spread outwards.

A fountain lamp with a disinfection device includes a shell, a lighting component, and a pumping assembly. The shell is provided with a closed floating cavity in an upper part and a water outlet channel passing through the floating cavity. The water outlet channel is provided with a water spray hole at an upper end, and the shell is provided with a disinfecting cavity at a lower part and a first through hole at the lower part. The disinfecting chamber is for holding the disinfecting substance and immersing it in the water, and the first through hole is for allowing water to pass through. The lighting component is configured for projecting light to form a column of light. The pump component is for pumping water through the water outlet channel to the water spray hole to form a column of water.

The invention aims to provide the plant efficient growth LED light source modular light supplementing equipment, system and method which are reasonable in structure and capable of realizing accurate regulation and control of illumination parameters, aiming at the problems that the spectrum and the light intensity cannot be flexibly adjusted, the equipment structure is inconvenient, the heat dissipation performance is insufficient and the like in the existing plant light supplementing technology, and the invention provides the plant efficient growth LED light source modular light supplementing equipment, system and method which are reasonable in structure and capable of realizing accurate regulation and control of the illumination parameters. The equipment adopts a modular design and internally comprises a plurality of LED light source modules capable of adjusting light intensity and spectrum output so as to meet the illumination requirements of plants in different growth stages. The control system can monitor and adjust the illumination intensity and the spectrum proportion in real time through an adjustable button, and it is ensured that the plants obtain the optimal illumination condition in each growth stage. The equipment is provided with an efficient heat dissipation system which comprises a heat dissipation sheet, a heat dissipation ring and a heat dissipation net, so that heat dissipation of the LED lamp beads is optimized, the service life of the lamp is prolonged, and the luminous efficiency of the LED light source module is improved. The light supplementing system comprises an illumination regulation and control system, a control system and a power supply module, can automatically regulate illumination intensity and spectrum output, meets the requirements of plants in different growth stages, has an energy-saving mode, and reduces energy consumption. The light supplementing method comprises the steps of initializing the system, presetting spectrum and intensity, adjusting illumination in real time, and promoting healthy growth of plants.

A lighting assembly is provided with a flexible elongate body extending between first and second ends thereof. The body has a base wall and a light transmissive cover. A lighting strip extends at least partially along the chamber. The lighting strip includes a plurality of light emitting members at least partially covered by the light transmissive cover. The body has a mounting arrangement configured to mount the lighting strip to the support. The mounting arrangement includes a first mounting formation on an outer surface of the elongate body. The mounting formation includes a recess, groove or channel on the outer surface of the body.

The present disclosure provides a dial sheet-based dimming lamp, including a housing, a light source assembly, and an adjustment assembly. The housing includes a housing body. The light source assembly includes a light source plate and a light source provided on the light source plate. The adjustment assembly includes a dial member and a contact member. The dial member is slidably connected to the housing body. Connecting contacts are provided on the light source plate, and the dial member can drive the contact member to slide between the different connecting contacts. The contact member includes an insertion portion and a fixing portion. The contact member further includes a contact sheet and a connecting sheet. The present disclosure can reduce the overall volume and is simple in structure and convenient to mount.

A light emitting device includes a planar array of individually addressable first light sources configured to emit visible light into a plurality of angular bins toward an environment, one or more second light sources configured to emit ultraviolet light, an imager positioned to receive light reflected from the environment, a processor configured to analyze one or more images captured from the imager and identify a shadow region in the environment, wherein one or more light sources of the plurality of individually addressable first light sources is directed to increase a light flux output in one or more angular bins of the plurality of angular bins corresponding to the shadow region. The one or more second light sources and may be individually addressable and positioned in a planar array on a substrate.

The invention provides an optical system, a control method, a vehicle optical signal device, a vehicle lamp and a vehicle, the optical system comprises at least one first light source assembly and a second light source assembly, and light emitted by the first light source assembly passes through an optical assembly and is emitted from a first light emitting area of a light emitting surface of the optical assembly; light emitted by the second light source assembly passes through the optical assembly and is emitted from a second light-emitting area of the light-emitting surface of the optical assembly, and at least partial area overlapping exists between the first light-emitting area and the second light-emitting area; wherein light emitted by the first light emitting area serves as a first light function, light emitted by the second light emitting area serves as a second light function, the first light function serves as a marker lamp of the driving automation system, and the second light function serves as other light functions with colors different from those of the first light function. Therefore, the structure and function multiplexing of the automatic system marker lamp and other signal lamps is realized, the cost of independently designing and manufacturing the automatic system marker lamp is effectively reduced, and the occupied space of the whole vehicle lamp is effectively reduced.

A light emitting device includes a plurality of individually addressable light sources spatially separated on a substrate and configured to emit light into an environment, and one or more optical elements positioned to receive the light from each light source and redirect the light into a plurality of different angular bins. Each bin of the angular bins has light from at least one light source of the plurality of individually addressable light sources and a first group of the plurality of different angular bins has a first angular width in theta or phi coordinates less than 10 degrees. The first angular width may be less than 5 degrees.

A portable device includes a plurality of individually addressable light sources configured to emit light into a plurality of angular bins toward an environment, an imager positioned to receive light reflected from the environment, and a processor configured to analyze one or more images captured from the imager and identify a spatial region corresponding to eyes of an individual in the environment, wherein one or more light sources of the plurality of individually addressable light sources is directed to not emit light or reduce a light flux output in one or more angular bins of the plurality of angular bins corresponding to the spatial region. The portable device may be a phone.

A lighting device disclosed in an embodiment of the invention comprises a substrate; a light source disposed on the substrate; and a light guide member disposed on the substrate and the light source, wherein the light guide member includes an exit surface and a first reflective surface facing the exit surface, the first reflective surface includes a plurality of reflective portions having different heights with respect to an upper surface of the substrate, and each of the plurality of reflective portions may include a plurality of first surfaces inclined with respect to the upper surface of the substrate.

A lighting apparatus includes a back cover, a light source, a surrounding wall and a light cover. The light source is disposed to an inner side of the back cover. The surrounding wall has a top edge and a bottom edge. The back cover is attached to the top edge of the surrounding wall. The light cover has a top ridge and a bottom ridge. The top ridge and the bottom ridge of the light cover are disposed to clip a protruding structure of the surrounding wall to fix the light cover to the surrounding wall. The light of the light source is emitted downwardly and passes through the light cover.

A mirror assembly that includes a mirror having one or more box openings, a frame shaped to correspond to the shape of the mirror, a wire management assembly and a power supply assembly. The wire management assembly has one or more electrical boxes that are secured to the frame and positioned adjacent to the one or more corresponding box openings in the mirror. The wire management assembly also has at least one raceway that extends between the one or more electrical boxes and the frame. The wire management assembly provides electrical wires between the power supply assembly and one or more electrical fixtures attached to the one or more electrical boxes so that the one or more electrical fixtures are on a face side of the mirror. The power supply assembly provides electrical power to the one or more electrical fixtures.

A light emitting system including a light emitting device having electronically controllable light output that can increase or decrease independently within a plurality of angular bins, an imager positioned to capture one or more images of the environment, and one or more processors configured to analyze the one or more images captured from the imager, identify a television, identify one or more first angular bins of the plurality of angular bins corresponding to the television, and direct the light emitting device to not emit light within the first angular bins.

The invention provides an LED lamp adaptive speed regulation heat dissipation method and system based on real-time junction temperature monitoring. The method comprises the following steps: S100, acquiring a PWM signal or an analog signal of an LED driving command signal in real time; s200, on the basis of the change of the driving instruction signal, feedforward prediction is carried out by using a dynamic thermal inertia mapping model, and a feedforward fan control quantity is generated; s300, LED junction temperature is monitored in real time through a forward voltage method, and feedback fan control quantity is generated through a feedback controller according to the deviation between the real-time junction temperature and the target junction temperature; and S400, synthesizing the feedforward control quantity and the feedback control quantity to generate a fan PWM control signal, outputting the fan PWM control signal to a fan driving circuit, and adjusting the rotating speed of the cooling fan. According to the method, driving signals and junction temperature information are processed in parallel, and feedforward and feedback control is combined, so that self-adaptive accurate regulation and control are realized, thermal load change is quickly responded, system lag is effectively inhibited, and LED heat dissipation performance is optimized.

A light emitting system including a light emitting device having electronically controllable light output that can increase or decrease independently within a plurality of angular bins, an imager positioned to capture one or more images of the environment, and one or more processors configured to analyze the one or more images captured from the imager, identify an individual in the environment, identify one or more first angular bins of the plurality of angular bins corresponding to the individual, and direct the light emitting device to increase a light flux output within the one or more first angular bins.

A light emitting system includes at least one light emitting device configurable to emit light into an external environment, a controller configured to adjust a light flux output from the at least one light emitting device, and a non-transitory computer readable storage media comprising a plurality of parameters, the parameters including rules for prioritizing a first illumination mode or first irradiance mode over a second illumination mode or second irradiation mode that direct the at least one light emitting device to emit a first light flux into a first angular bin and a second light flux different from the first light flux into a second angular bin different from the first angular bin.

The invention relates to the technical field of exhibition lamps, in particular to an exhibition lamp and an exhibition method, and the method comprises the following steps: inputting preset exhibit database information, extracting exhibit numbers, material types, dominant tone ranges and size information, carrying out point-by-point scanning on exhibit surfaces, collecting reflection spectrum data, converting the reflection spectrum data into CIELAB values, and integrating the extracted information and the collected data. And establishing an exhibit basic information set. The comprehensive exhibit basic information set is established by combining the preset database information and the real-time scanning and acquisition of the surface reflection spectrum or the CIELAB value of the exhibit, so that the subsequent illumination design can be carried out based on the unique optical characteristics of each exhibit, the accuracy and pertinence of personalized illumination are improved, and the material details and color levels can be deeply revealed. Secondly, processing the optical data of the exhibit by using a preset weight set associated with a specific display target, and generating an ideal display illumination parameter including spectral distribution and a brightness value;

A waterproof electronic candle includes a housing assembly and a cover, the housing assembly includes a candle tube, the candle tube includes a first end and a second end arranged below the first end; the cover sleeved over the candle tube, an annular recess is defined in one of the candle tube and the cover at the first end, and an annular protrusion is arranged on the other one of the candle tube and the cover at the first end; the housing assembly further includes a sealing member received in the annular recess, the annular protrusion contacts the sealing member to sealingly connect the candle tube with the cover.

An illumination system includes one or more angularly varying light emitting devices, an imager, and one or more time of flight sensors, wherein light output from the angularly varying light emitting device is based at least in part on images of the environment and information from the one or more time of flight sensors.

The invention discloses a dynamically scheduled solar energy and mains supply dual-mode energy storage street lamp system, belongs to the technical field of new energy and intelligent power grids, and aims to solve the technical problems of how to realize dynamic distribution of energy storage and power supply and how to perform energy-saving scheduling on street lamp power supply. Comprising a photovoltaic power generation module, an energy storage module, a mains supply access module, a weather prediction module, an intelligent controller, an electricity price time-sharing module, an LED lighting module and a dual-mode energy storage control platform. Time-of-use electricity price table data, a photovoltaic electric energy estimated value corresponding to a future time period and an actual electricity consumption estimated value serve as influence factors, solar power supply and commercial power supply are distributed and dispatched through a decision tree based on the influence factors and a predefined dual-mode energy storage function strategy, and the brightness of an LED lamp is regulated and controlled.

The present disclosure provides a dial illumination lamp, including a housing, a light source assembly, and an adjustment assembly connected to the light source assembly. The light source assembly includes a light source plate and a light source. The adjustment assembly includes a dial member and a contact member. The dial member has one end hinged to the light source plate; connecting contacts are provided on the light source plate; the contact member is capable of being in contact with the connecting contacts; the dial member is capable of swinging around a position where the light source plate is hinged to the dial member; and the dial member in swinging drives the contact member to slide between the different connecting contacts. The present disclosure is small in volume and simple in structure, saves space, and facilitates the achievement of miniaturization and integration of lamps.

An LED lamp is provided, which includes a connector, a lamp holder, a battery, a support member, a light source, and a lampshade; the light source is sleeved on the support member; the battery is located within the support member; the support member is connected to the lamp holder; the lampshade is connected to the lamp holder; the connector is magnetically connected to the lamp holder. A detachable design of the connector and the lamp holder facilitates the use of the LED light and enables the LED light to be flexibly selected and used according to usage needs.