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14269results about "Semiconductor devices for light sources" patented technology

Job-site tool

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.
Owner:MAKITA CORP

Electronic candle

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.
Owner:DONGGUAN SHUIQUANZI IND CO LTD

Lighting assembly

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.
Owner:HAFELE UK LTD

Optical system, control method, vehicle optical signal device, vehicle lamp and vehicle

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.
Owner:HASCO VISION TECHNOLOGY CO LTD

LED lamp adaptive speed regulation heat dissipation method and system based on real-time junction temperature monitoring and medium

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.
Owner:YUEYING INNOVATION TECH (GUANGDONG) CO LTD

LED light

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.
Owner:LI ZHENHONG

Wearable electronic device including projection display

Disclosed is a wearable electronic device. The wearable electronic device includes: a display module comprising a display; a housing to which the display module is coupled; and a projection display disposed on a side portion of the housing and configured to display information on a display area adjacent to the housing, the projection display may include: a substrate disposed along a mounting surface provided on a side portion of the housing; a plurality of light-emitting devices comprising light-emitting circuitry disposed on the substrate in a grating arrangement; and a plurality of micro-lenses covering a light-emitting surface of the plurality of light-emitting devices.
Owner:SAMSUNG ELECTRONICS CO LTD

LED street lamp with sealing structure

The invention discloses an LED street lamp with a sealing structure, and relates to the technical field of street lamps, the LED street lamp comprises a lamp pole, a mounting frame is arranged at the top of the lamp pole, a lamp body is arranged on the mounting frame, a water collecting box is arranged at the top of the mounting frame, a dustproof net is arranged at the top of the water collecting box, and a sealing cover is arranged at the top of the lamp body. A sealing groove is formed in the sealing cover, the sealing cover is clamped to the top of the lamp body through the sealing groove, the heat dissipation groove is communicated with the interior of the heat dissipation box, the rotating directions of the two sets of rotating fans are opposite, the heat dissipation groove and the heat dissipation box form a heat dissipation channel of the lamp body, and a guide rail and a fixing frame are arranged in the mounting frame. The fixing frame makes contact with the top of the sealing cover, a plurality of sliding blocks are arranged in the guide rail in a sliding mode, the sealing cover seals the lamp body below, rainwater and dust are effectively prevented from invading, when the interior of the lamp body is overheated, the sealing cover can be automatically jacked open, the fan is started, an efficient heat dissipation channel is formed, and the heat dissipation efficiency of the interior of the lamp body is guaranteed.
Owner:SHARPLUMI LIGHTING CO LTD

Diffuse reflection uniform light-emitting car lamp optical system

The diffuse reflection uniform light-emitting car lamp optical system comprises a lamp body, a circuit board, a light source and an aluminized reflection bowl, the light source is arranged on the circuit board, the diffuse reflection car lamp optical system further comprises a diffuse reflection reflecting plate, and the aluminized reflection bowl comprises a first diffusion pattern face arranged corresponding to the light source and a second diffusion pattern face arranged corresponding to the diffuse reflection reflecting plate; light emitted by the light source irradiates the aluminized reflection bowl, is reflected and diffused through the first diffusion pattern surface, irradiates the second diffusion pattern surface for reflection and diffusion, and then irradiates the surface of the diffuse reflection reflector to be reflected. The diffuse reflection uniform light-emitting car lamp optical system is reasonable in design, a good lighting effect is achieved through mutual cooperation of the reflection bowl, the fogging inner cover and the diffuse reflection reflector, and the diffuse reflection uniform light-emitting car lamp optical system is novel in light-emitting form, uniform in light-emitting effect and rich in layering sense.
Owner:WUHU ANRUI OPTOELECTRONICS CO LTD +2

Vehicle lamp

A vehicle lamp includes a light source, and a lens. The lens includes a central region centered on an optical axis of the lamp and a peripheral region located around the central region. A rear surface of the peripheral region is formed with plural total reflection prism elements which reflects light emitted from the light source toward the front of the vehicle lamp in a state of being aligned in a concentric circular form centered on the optical axis. The rear surface of the peripheral region includes an inner periphery-side region and an outer periphery-side region. The plurality of total reflection prism elements form a first annular concave curved surface centered on the optical axis as an envelope surface in the inner periphery-side region and form a second annular concave curved surface centered on the optical axis as an envelope surface in the outer periphery-side region.
Owner:KOITO MFG CO LTD

Systems and Methods for Site Monitoring with a Drone

The present disclosure provides a method for site management that includes launching, from a mobile drone base unit, a drone including a sensor package and an illumination source; tethering, by a tether coupling the drone to the mobile drone base unit, the drone to provide power and maintain communications between the drone and the mobile drone base unit; receiving, from the sensor package of the drone, data related to a construction site; comparing the received data related to the construction site to blueprint data related to the construction site; and in response to identifying a deviation between the received data and the blueprint data, moving the mobile drone base unit to a position allowing the drone to highlight the deviation.
Owner:BLUE VIGIL LLC

Axis-controlled red light gain red light golden yellow light single-control eye protection lamp

The invention discloses a shaft control red light gain red light golden yellow light single control eye protection lamp, and belongs to the field of lighting equipment. An intelligent control assembly and a power supply assembly are arranged in the base, a folding structure is arranged on the rear portion, a lamp body is arranged at the end of the folding structure, and a light source module is arranged in the lamp body. The intelligent control assembly comprises a main control chip STM32F103C8T6 and is used for controlling the light source module; the power supply assembly comprises a storage battery and a Type-C charging port, and the charging port is connected with the storage battery through a TP4056 charging management chip. The folding structure is hinged to the first supporting plate and the lamp body through any stop rotation damping rotating shafts. The light source module comprises 630-650 nm axis control red light, 610-630 nm gain red light and 3000-3500 K golden yellow light units which are distributed in an array mode. The base is provided with a control touch key and an anti-skid pad, and the lamp body is provided with a frosted acrylic lampshade. The device is scientific in spectrum, convenient to adjust and good in eye protection effect.
Owner:SHANDONG DONGZHAN MEDICAL GRP CO LTD

Split-type fan lamp structure

The present disclosure relates to the technical field of fan lamps, in particular to a split-type fan lamp structure. The split-type fan lamp structure comprises an installation housing; a fan blade structure is arranged below the installation housing, and an installation space is formed inside the installation housing for installing and arranging a driving mechanism; a driving end of the driving mechanism extends downwards through a clearance hole at the bottom of the installation housing and is connected to the fan blade structure; a plurality of lamp body modules are arranged outside the outer contour of the fan blade structure; the lamp body modules as a whole are designed to be elongated and curved with an arc-shaped structure; any two adjacent lamp body modules are connected by a connector, and a plurality of lamp body modules are assembled into an annular structure.
Owner:JIANGMEN OUMEIQI LIGHTING APPLIANCE CO LTD

Illumination control strategy updating method and device on LED lamp strip, equipment and medium

The invention relates to the technical field of illumination control, solves the problem that the prior art lacks an LED lamp strip control strategy for dynamic adjustment according to ambient light changes and user use habits in different time periods, and provides an illumination control strategy updating method and device on an LED lamp strip, equipment and a medium. The method comprises the following steps: acquiring historical ambient light illuminance and historical ambient light color temperature of an LED lamp strip in a first preset period; performing time period clustering on the historical illumination data set to obtain a time period cluster set; acquiring an intensity index according to the accumulated illumination duration of each time period cluster; obtaining a forgetting coefficient of each historical illumination data; weighting according to the forgetting coefficient and the strength index to obtain a weighted strength index; updating the illumination control strategy; and after a first preset period, performing illumination according to the updated illumination control strategy and the environment parameters. According to the invention, the control strategy of the LED lamp strip can be dynamically adjusted according to the ambient light change in different time periods and the use habit of a user.
Owner:SHENZHEN YOUYIXIANG ELECTRONICS CO LTD

Light emitting device

PendingUS20250372583A1Light source combinationsSolid-state devicesPlanckian locusGreen-light
A light emitting device is provided. The light emitting device includes a blue light unit, configured to emit blue light; a green light unit, configured to emit green light; a red light unit, configured to emit red light; and a warm white light unit, configured to emit warm white light. A dominant wavelength of the warm white light is in a range from 570 nm to 600 nm. A color coordinate of the warm white light unit and a color coordinate of the red light unit are respectively located at opposite sides of the Planckian locus. The blue light unit, the green light unit, the red light unit and the warm white light unit are configured to cooperate to emit mixed white light and are configured to adjust a color temperature of the mixed white light.
Owner:BRIDGELUX OPTOELECTRONICS (XIAMEN) CO LTD

Solar pool lamp

A solar pool lamp includes a solar module and an illumination module. The solar module includes a solar module housing, a solar panel, and a first contact member. The solar panel is disposed on the solar module housing, the first contact member is disposed in the solar module housing, and the first contact member is electrically connected to the solar panel. The illumination module includes an illumination module housing and an illumination lamp assembly. The illumination lamp assembly is mounted in the illumination module housing, a second contact member is provided at the top end of the illumination module housing, and the second contact member is electrically connected to the illumination lamp assembly. The illumination module housing and the solar module housing are detachably connected, and when connected, the first contact member and the second contact member abut against each other to form an electrical connection.
Owner:SHENZHEN MAINING INNOVATION TECH CO LTD

Multi-directional lighting device

A method for reducing or eliminating shadows and spreading light around a work area or throughout multiple rooms and spaces, without the need to frequently readjust, the system comprised of at least one or more lighting devices, coupled with a set of attachment mechanisms to link or detach additional light sources, a set of electrical connections for power and data transmission, at least one mounting feature, at least one battery and a controller comprising program instructions executed by a processor to cause the lighting device to change modes, brightness and to send the command wirelessly or through connections to additional lighting devices, charge at least one battery and transfer power to additional connected lighting devices.
Owner:CUTT ZACHARY

Scene-based LED lamp strip adaptive control method, device and equipment

The invention relates to the technical field of illumination control, solves the problem that in the prior art, illumination control lacks self-learning ability, and consequently comfort and individual requirements are difficult to consider, and provides a scene-based LED lamp strip self-adaptive control method, device and equipment. The method comprises the steps of obtaining scene information of a physical space where an LED lamp strip is located, and obtaining illumination control strategies of the LED lamp strip in different time periods in a first preset period according to the scene information; in a first preset period, in response to a user switch instruction, illumination is performed according to the illumination control strategy and the environmental parameters of the current time period; updating the illumination control strategy according to historical illumination data in a first preset period; and after a first preset period, in response to a user switch instruction, controlling the LED lamp strip to illuminate according to the adjusted illumination control strategy and environmental parameters in the current time period. The intelligent level and the user satisfaction degree of the lighting system can be effectively improved.
Owner:SHENZHEN YOUYIXIANG ELECTRONICS CO LTD

Portable illuminated sign

A portable illuminated sign is disclosed. The sign includes a sign portion, the sign portion comprising indicia, and an internal light source comprising one or more LEDs in edge-lighting relationship with a diffuser panel underlying a visible area of the indicia to be illuminated; and a handle affixed to the sign portion, the handle comprising a power source for the internal light source.
Owner:SMARTREND SUPPLY LTD

Headlamp

The invention provides a headlamp, comprising a base, a light emitting tube, a switch button and an elastic headband. The elastic headband is connected to the base, the light emitting tube is arranged on the base, the switch button is arranged on the light emitting tube and is electrically connected with the light emitting tube, and the switch button is used for controlling the light emitting tube to switch among various lighting modes, an off mode and a long-press mode; the long-press mode is to press the switch button for a long time to make the light emitting tube directly enter the off mode from any lighting mode.
Owner:SHU CONGCHAO

Plant growing apparatus

A plant growing apparatus is provided that comprises a transport and positioning system, the transport and positioning system comprising a mobile plant container with a first set of wheels configured to allow selective movement of the mobile plant container to engage with or disengage from the growing chamber; and a track assembly configured to guide movement of the mobile plant container along a pathway from outside the growing chamber to inside the growing chamber.
Owner:BG TECHNOLOGIES INC

Refrigerator

A refrigerator includes a cabinet, in which a storage space is defined, and a door configured to open and close the storage space. The door includes a door body and a panel assembly mounted in front of the door body. The panel assembly includes a lighting device configured to irradiate light, a panel which is configured to define a front surface of the door and through which light is transmitted, a light guide plate provided behind the panel to guide the light irradiated from the lighting device to the panel, and an upper bracket provided above the panel to define a top surface of the panel assembly. The light guide plate extends more upward than an upper end of the panel, and an extending upper end of the light guide plate is accommodated in the upper bracket.
Owner:LG ELECTRONICS INC

Illumination device

An illumination device includes: a light source part emitting light; a light distribution shape setter setting a light distribution shape of light from the light source part; a storage storing therein light distribution shape data related to the light distribution shape; and a controller controlling the light distribution shape setter based on the light distribution shape data. Further, the light distribution shape setter sets the light distribution shape based on a signal level input from the controller, and when changing the signal level input to the light distribution shape setter from a first level to a second level, the controller changes the signal level from the first level to a third level that is a level between the first level and the second level, and changes the signal level from the third level to the second level after maintaining the third level for a predetermined time period.
Owner:JAPAN DISPLAY INC

Illumination device and display device

To provide a lighting device capable of excellently radiating heat from a driver while excellently illuminating an object, and a display device equipped with the same.SOLUTION: The lighting device 2 includes a circuit substrate 5 having a front surface on which a plurality of light sources 5a are mounted and a rear surface on which a driver 5b for driving one or more light sources 5a among the plurality of light sources 5a is mounted, a lattice-shaped reflector 6 surrounding each of the plurality of light sources 5a, a metallic case 8 recessed rearward from a top surface 81 and having a recess 82 provided corresponding to the driver 5b, a first heat-conducting T1 in contact with the rear surface of the circuit substrate 5 and the top surface 81, and a second heat-conducting 5b in contact with the driver 82a and a bottom wall of the recess 82. T2. In the circuit substrate 5, a hole 5H through which the internal space Si of the recess 82 and the front space Sf of the circuit substrate 5 communicate with each other is formed at a position covered with the reflector 6.SELECTED DRAWING: Figure 5
Owner:NIPPON SEIKI CO LTD

LED (Light Emitting Diode) lamp strip capable of switching between sterilization and illumination

The utility model relates to the technical field of LED lamp strips, in particular to a sterilization and illumination switchable LED lamp strip, which comprises a flexible circuit board, a plurality of LED lamp strips, a plurality of LED lamp strips and a plurality of LED lamp strips, the LED white light lamp beads are attached to the bonding pads of the flexible circuit board and used for converting electric energy into visible light, and the lighting function is achieved; the UVC and UVA two-in-one lamp bead is mounted on a bonding pad of the flexible circuit board and is used for converting electric energy into ultraviolet light, so that a sterilization function is realized; the LED lamp strip capable of being switched between the sterilization function and the illumination function is novel in structure, the illumination function and the sterilization function are integrated on one lamp strip, and the illumination function and the sterilization function can be switched freely through the same lamp strip.
Owner:SHENZHEN XINSHENGYUAN OPTOELECTRONICS CO LTD

Irradiation module and device and method for irradiation with medical and cosmetic radiation

The invention relates to an irradiation module for use in a device (1) for irradiation with medical and cosmetic radiation, comprising a plurality of LEDs arranged on a carrier. The invention also relates to a device for irradiating a user (10) with medical and cosmetic radiation, comprising a plurality of irradiation modules (40) for irradiation with medical and cosmetic radiation, which modules are accommodated in a housing part (20; 30). The invention further relates to a method for irradiating a user (10) with medical and cosmetic radiation, comprising a plurality of irradiation modules (40) for irradiation with medical and cosmetic radiation, which modules are selected from the group comprising fluorescent tubes, LEDs, organic LEDs, and high-pressure lamps. In order to provide an irradiation module and a device and a method with which improved irradiation results can be achieved according to the invention, a first group of first LEDs, which emits radiation within the UVA spectrum, and a second group of second LEDs, which emits radiation within the UVB spectrum, are arranged on the carrier.
Owner:JK HLDG

Lighting device assembly with heat sink

A lighting device assembly includes an optic assembly having a light source, a housing having a cavity in which the at least a portion of the optic assembly is received, the housing is configured to secure the lighting device assembly to a wall, a ceiling, or a surface, and a heat sink configured to couple the optic assembly to an opening of the housing that defines the cavity. The heat sink includes a hinged aiming mechanism configured to movably couple the optic assembly to the housing to allow the light source to move relative to the housing.
Owner:TROY CSL LIGHTING INC

Industrial personal computer UPS power supply method based on commercial power interruption seamless switching

The invention discloses an industrial personal computer UPS power supply method based on commercial power interruption seamless switching, and relates to the field of uninterruptible power supply control, and the method comprises the steps: configuring a UPS input unit to receive a DC power supply converted from commercial power, charging a lithium battery pack through a BQ24610 charging management chip, collecting a current detection signal of the BQ24610 charging management chip through an MCU, obtaining the electric quantity state of a lithium battery, and outputting the electric quantity state of the lithium battery. An LM5176 buck-boost controller is arranged to be synchronously connected with the input unit and the lithium battery pack to form a bidirectional energy path; the voltage of the UPS input unit is monitored through the MCU, and a switching instruction is triggered. According to the invention, the MCU controls the EN pin of the LM5176 buck-boost controller and the CE pin of the BQ24610 to cooperatively switch a power supply path, millisecond-level seamless switching of a hardware level is realized, and meanwhile, an RS232 bus is matched to transmit a state signal in real time, so that the data protection process of the industrial personal computer and the power supply switching action are precisely synchronized, and the reliability of the industrial personal computer is improved. The problem that hardware switching and software protection are not synchronized in a traditional scheme is solved.
Owner:CHONGQING BANGRUIDA TECH CO LTD