2067results about "Refractors" patented technology

The invention provides an automatic illumination adjusting method and system based on seed and seedling cultivation, and relates to the technical field of illumination control and intelligent agriculture, the method comprises the following steps: firstly, collecting seedling chlorophyll fluorescence parameters to construct a light stress index, and accurately identifying a light inhibition risk; then calculating a physiologically permissible light intensity threshold adaptive to the dark response capability of the plant by combining the environment temperature and the CO2 concentration; positioning a shielded weak light area by using three-dimensional point cloud voxelization and a ray tracing technology, and calculating a shadow compensation gain coefficient; and finally, generating a control matrix in combination with a dynamic left-rotation light strategy, and driving an independent addressing LED array and a variable-angle lens to execute local precise light supplement and light vector adjustment. Through physiological feedback and spatial light field reconstruction, the problem that traditional illumination control neglects individual tolerance difference and canopy shielding is solved, photooxidation damage is effectively prevented, and the growth uniformity and the light energy utilization rate of seedling groups are remarkably improved.

A lighting apparatus includes a plastic cover, a trumpet housing and a light source plate. The plastic cover has an edge portion, a light passing cover and a connection column. The trumpet housing has a widened section and a neck portion. A top end of the neck portion is coupled to a bottom end of the widened section. A diameter of the widened section increases through a tapered transition from the bottom end of the widened section to a top end of the widened section. A light source plate is mounted with a LED module on a front surface. The light source plate is fixed to an inner structure of trumpet housing. The connection column engages the front surface of the light source plate. The edge portion of the plastic engages the top end of the widen section of the trumpet housing.

The invention discloses an illumination device, an illumination adjusting method and wafer detection equipment. The device comprises an illumination light source, an illumination adjusting device and a wafer detection device, wherein the illumination light source comprises a light-emitting surface for exporting illumination light to the outside; the light-emitting surface adjusting part is used for adjusting the position of the light-emitting surface; the objective lens group comprises a plurality of objective lenses which are different in multiplying power and can be mutually switched, calibration data are pre-stored in the controller and comprise pupil plane size information, pupil plane position information and light-emitting surface position information of the objective lenses different in multiplying power, and the controller is used for adjusting the position of the light-emitting surface by the light-emitting surface adjusting part according to the multiplying power information of the objective lenses and the calibration data. According to the invention, rapid and automatic matching between the illumination system and pupil planes of objective lenses with different multiplying powers is realized, and uneven illumination and stray light caused by mismatching of the pupil planes are effectively eliminated.

The present disclosure relates to the technical field of lighting fixtures, specifically a solar-powered waterproof decorative lamp, comprising: a lower shell; an upper shell, joined with the lower shell; a sealing ring, arranged between the lower shell and the upper shell for sealing the lower shell and the upper shell; an electronic assembly, arranged between the lower shell and the upper shell for providing a light source and power supply for the decorative lamp; and a photovoltaic power generation assembly, installed on top of the upper shell for providing solar charging to the electronic assembly.

The invention relates to a laser package comprising a base element having a mounting surface on which at least one semiconductor laser element is arranged to emit light along a first optical axis that runs substantially parallel to the mounting surface. The laser package also comprises an integrally formed deflecting element arranged in the beam path of the at least one semiconductor laser element on the mounting surface and configured to couple the light emitted along the first optical axis and coupled in via a light entry surface of the deflecting element to a second optical axis via a light exit surface of the deflecting element, which is offset substantially parallel to the first optical axis.Furthermore, the laser package comprises an optical arrangement which is arranged downstream of the deflecting element in the beam path of the at least one semiconductor laser element on the arrangement surface. The optical arrangement is configured to collimate light emitted by the at least one semiconductor laser element along at least one direction and / or is configured to homogenize light emitted by the at least one semiconductor laser element along at least one direction.

The utility model relates to the technical field of backlight of display equipment, and provides a CSP backlight source and a display device. The CSP backlight comprises: a substrate comprising a light emitting circuit; the light-emitting packaging part is arranged on the substrate, electrically connected with the light-emitting circuit and comprises a blue light chip and a red-green fluorescence conversion layer which are sequentially stacked from bottom to top, and the red-green fluorescence conversion layer at least covers the blue light chip and is used for converting and mixing light emitted by the blue light chip so as to emit white light; the light-emitting packaging piece is manufactured through a chip scale package (CSP) technology; the diffusion reflection layer covers the light-emitting packaging piece in a gapless mode, the diffusion reflection layer comprises a cup-shaped diffusion part and a reflection part arranged on the periphery of the diffusion part, and the diffusion powder concentration of the central area of the diffusion part is larger than that of the edge area of the diffusion part; and the lens covers the diffusion reflection layer in a gapless manner.

The utility model provides a combined type light distribution module. The combined type light distribution module comprises a substrate, a lens, a lamp bead, a wire rod and a shell. A lamp bead and a lens are arranged on the upper surface of the substrate, the lamp bead is located in the lens, the substrate is provided with a silk-screen layer, and the silk-screen layer surrounds the joint of the lens and the substrate; the wire rods are connected to the two ends of the substrate respectively; the shell is provided with an accommodating space and is provided with a first opening and a second opening, the substrate is arranged in the accommodating space, the convex part of the lens is arranged at the first opening, and the wire rod is arranged in the second opening in a penetrating manner; the connecting position of the lens and the substrate is in a circle shape, the lamp bead is located at the circle center of the circle, and the silk-screen layer is arranged in the area surrounding the circle. The LED lamp has the advantages of being high in light efficiency utilization rate, simple in structure, low in cost, good in adjusting flexibility, small in occupied space and high in light utilization rate.

The utility model relates to the technical field of lighting devices, and discloses an energy-saving lighting device for rail transit, which comprises a supporting rod, a lampshade is fixedly connected to the top end face of the supporting rod, a lamp bead is fixedly connected to the inner bottom face of the lampshade, and a reflection assembly is arranged on the outer wall of the lampshade. According to the energy-saving lighting device for the rail transit, one part of light irradiates a ceiling of a building through a second light transmitting opening, the ceiling serves as a large diffuse reflection surface to reflect the light, large-area and uniform diffusion lighting is achieved, the spatial brightness sense and the visual level are improved, the other part of light irradiates the ground, the angle and the position of a second reflecting plate are adjusted, and the illumination effect is improved. Therefore, the same lamp can be suitable for different platform structures, installation heights and width differences, a light path on one side can be actively closed according to site requirements, illumination on the other side is strengthened, higher illumination is formed in a designated area, and key illumination is carried out.

An optical system for a vehicle headlamp is provided, and includes at least one light source, at least one collimator positioned to receive light from the light source, a cylindrical lens array (CLA) positioned to receive collimated light from at least one collimator, and an irregular freeform cylindrical lens array (IFCLA) positioned to receive light from the CLA. The IFCLA includes an entry lens with numerous entry facets of irregular sizes and an exit lens with numerous exit facets. The irregularly sized entry facets on the entry lens focus light onto the middles of the respective exit facets on the exit lens.

A lighting device (400) includes: a linear light source (470) extending in a first direction and configured to emit light in a second direction intersecting the first direction to an object; a rod lens (450) apart from the linear light source (470) in the second direction and extending in the first direction, the rod lens (450) configured to transmit the light emitted from the linear light source (470); and a support portion (410) supporting the rod lens (450) and having: a first surface (411) extending in a third direction intersecting the second direction; and a second surface (412) extending in a fourth direction intersecting the second direction and the third direction. The rod lens (450) is in contact with each of the first surface (411) and the second surface (412).

A lighting arrangement (1, 1a, 1b, 1c, 1d, 10, 10a, 10b, 10c) for a vehicle is proposed. The lighting arrangement comprises a housing (3) with a rear wall that is at least partially light-reflecting and with at least one light emission opening, and at least one substantially planar translucent cover (4, 4a, 4b, 4c, 4d, 6, 6a, 6b) for covering the at least one light emission opening, wherein the at least one translucent cover (4) has a rear side facing the rear wall of the housing (3) and a substantially flat front side opposite the rear side.The lighting arrangement further comprises at least one light source (2) for illuminating the housing (3), such that a substantially planar illuminance distribution can be generated on the rear side of the cover (4, 4a, 4b, 4c, 4d, 6, 6a, 6b), wherein the at least one translucent cover (4, 4a, 4b, 4c, 4d, 6, 6a, 6b) has a predefined spatially variable translucency, so that a desired light pattern (7) can be generated on the front side of the cover. A vehicle is also proposed, wherein at least one lighting arrangement (1, 1a, 1b, 1c, 1d, 10, 10a, 10b, 10c) is implemented in the interior.

The utility model discloses a kind of combination lens disc and stage lamp for multi-light source LED stage lamp, including lens fixed cover, lens assembly and lens mounting disc, the lens assembly is between lens fixed cover and lens mounting disc, the lens fixed cover is connected with the lens mounting disc;The lens assembly includes a center lens and the multiple peripheral lenses around the center lens periphery side, the size and shape of the peripheral lens are same;The inside of lens fixed cover and lens mounting disc is equipped with several partitions and mutually corresponding, several partitions are mutually connected and form hollow honeycomb structure;The one side of lens mounting disc towards lens fixed cover is equipped with several bosses, the peripheral lens is composed of multiple lenses, hollow lens break is equipped between the lens and lens, the position and size of the lens break are adapted to the boss, the peripheral lens is connected by the cooperation of lens break and the boss of lens mounting disc.

The utility model discloses a high bay lamp capable of changing a light-emitting angle by replacing a diffusion cover, and relates to the field of high bay lamps, the high bay lamp comprises a lamp main body and a wiring door cover installed at the upper end of the lamp main body, a power and color temperature adjusting switch is installed on the left side of the lamp main body, and a power supply is installed in the lamp main body. An LED light source is arranged in the lamp body, a diffusion rubber cover is installed below the LED light source, and a quick-release replacement mechanism is arranged on the outer side of the diffusion rubber cover. According to the high bay lamp capable of changing the light emitting angle by replacing the diffusion cover, when the high bay lamp is used, the lamp body can be hung at a proper position through the hook, and at the moment, the LED light source can be started under the action of the power and color temperature adjusting switch and the power source, so that the LED light source emits light to the specific diffusion rubber cover; a worker can select a proper diffusion rubber cover to change the angle of light in different scenes, and the device is convenient for the worker to use.

The invention discloses a preparation method of a low-blue-light LED panel lamp, and belongs to the technical field of LED illumination. According to the method, through blue light chip screening, composite fluorescent powder system optimization, multi-layer optical structure design and heat dissipation coordinated regulation and control, the radiation power proportion of the blue light wave band (430-460 nm) is smaller than or equal to 5%, meanwhile, it is guaranteed that the color rendering index Ra is larger than or equal to 85, and the lighting effect is larger than or equal to 100 lm / W. The core innovation of the LED lamp is that the double-effect eye protection layer of quantum dot doped silica gel and cerium yttrium aluminum garnet composite fluorescent powder is adopted, and the optical matching design of the micro-nano texture light guide plate and the gradual change type diffusion film is combined, so that the technical problems that an existing low-blue-light LED lamp is low in lighting effect, poor in color rendering property, uneven in blue light filtering and the like are solved. The blue light hazard level of the prepared LED panel lamp reaches RG0 level, and the LED panel lamp is suitable for long-time close-range illumination scenes such as classrooms, offices and bedrooms and has wide application prospects.

Lighting device (1) comprising at least one semiconductor light source (4), wherein - the semiconductor light source (4) is laterally surrounded by a light-transmitting ring-shaped TIR body (8; 18, 19; 28, 29), - the TIR body (8; 18, 19; 28, 29) has an outer surface (10) facing away from at least one semiconductor light source (4) with a TIR structure (11) and - the TIR structure (11) is designed to reflect light (L) incident on its interior through a light exit aperture (13) of the TIR body (8; 18, 19; 28, 29), and - the TIR body has a hollow cylindrical basic shape, with the TIR structure being formed on its outer surface.

This utility model relates to the field of exterior lighting technology, and particularly to an exterior lighting assembly and vehicle, including an exterior panel, a diffuser plate, and a lamp housing. The diffuser plate is located between the exterior panel and the lamp housing, and is connected to both the exterior panel and the lamp housing. The diffuser plate has an opaque area and a light-diffusing area. A light-emitting module is provided inside the lamp housing, with the light-emitting end of the light-emitting module facing the light-diffusing area of ​​the diffuser plate. The diffuser plate divides the opaque area and the light-diffusing area, and the light-emitting module inside the lamp housing faces the light-diffusing area. This eliminates redundant components such as a concentrator and a vertical light guide plate, making the lighting assembly structure more compact, reducing space occupation, and adapting to various exterior panels. The partitioned design of the diffuser plate achieves uniform light diffusion, eliminating the need for the complex light path of multi-plate refraction in traditional technologies. This avoids brightness attenuation caused by optical components, thereby improving display uniformity. This not only improves the spatial adaptability and reliability of the lighting assembly, but also improves the optical display effect and reduces manufacturing costs.

The utility model discloses a portable waterproof pen lamp and relates to the technical field of lamps. Comprising a pen lamp tube, a battery and a charging interface located below the battery are arranged in the pen lamp tube, a switch is arranged at the top of the pen lamp tube, a double-light-source LED is arranged at the bottom of the pen lamp tube, the pen lamp tube is movably sleeved with a charging cover used for protecting the charging interface, and the double-light-source LED comprises a white light LED and a purple light LED. The dual-light-source LED design is adopted, the functions of white light illumination and purple light currency detection and tracing are achieved, multiple purposes are achieved, the overall waterproof performance is ensured through the multi-layer sealing structure design comprising the waterproof charging interface, the sealing ring and the waterproof silica gel button, the pen-shaped structure is matched with the pen clip design, and carrying is convenient. The anti-skid charging cover and the interference fit structure enhance the use convenience and durability, meanwhile, all the parts are in close fit to improve the anti-falling and anti-seismic capacity, and the outdoor and daily multi-scene use requirements are met.

A main light and a secondary LED light for generation lumination of particular light characteristics in a particular direction. This includes an LED lighting fixture having a min light in a ceiling / wall lamp and a nightlight transmitting nightlight illumination along a ceiling. Downlights are disclosed having a main illumination source a secondary lumination source as a nightlight or some other illumination.

The application discloses an optical device, a laser lighting device and a vehicle, and belongs to the technical field of lasers, and comprises a fluorescent powder sheet, a reflector and a lens; the fluorescent powder sheet, the reflector and the lens are coaxially arranged along a transmission direction of a laser beam; a side of the lens facing the fluorescent powder sheet is provided with a groove, the reflector is arranged at the bottom of the groove, and the fluorescent powder sheet is arranged at a notch position of the groove; the direction of a light-receiving surface of the fluorescent powder sheet and the direction of a light-reflecting surface of the reflector are opposite to the transmission direction of the laser beam; the fluorescent powder sheet is used for emitting excited light under irradiation of the laser beam; the reflector is used for reflecting the laser beam or the excited light through the light-reflecting surface; and the lens is used for changing the direction of the excited light to form a high-beam lighting spot or a low-beam lighting spot. When the fluorescent powder sheet is broken or falls off, the laser beam is directly irradiated on the light-reflecting surface of the reflector, direct irradiation of the laser beam out of the lens to cause harm to human eyes can be avoided, and the use safety of the optical device is improved.

To provide a vehicular lighting tool capable of mounting, on the same substrate, light sources of a plurality of optical systems (rear lens parts and light sources) arranged behind a front lens body extending in a predetermined direction along the predetermined direction.SOLUTION: A vehicular lighting tool 30 includes a front lens body FL extending in a predetermined direction, and a plurality of optical systems 20A-20E arranged behind the front lens body along the predetermined direction, the plurality of optical systems each including a rear lens part BL (BL1-BL5), and a light source A (A1-A5), the rear lens part being a lens part for focusing light from the light source permeating the rear lens part mainly in a first direction, the front lens body being a lens part for focusing light from the rear lens part permeating the front lens body mainly in a second direction intersecting with the first direction, and the light sources of the plurality of optical systems mounted on a same substrate 40.SELECTED DRAWING: Figure 3

To provide an optical member capable of achieving shortening of molding time, and capable of suppressing generation of molding failure, and to provide a luminaire.SOLUTION: An optical member (100) includes: a refraction part (21) for refracting light; reflection parts (22) arranged on both sides of the refraction part (21); and a light emission surface (23) for emitting transmission light which has transmitted the refraction part (21) and reflection light reflected at the reflection parts (22). The light emission surface (23) is divided into a plurality of divided regions (23a-23c), and steps are provided between the plurality of divided regions (23a-23c).SELECTED DRAWING: Figure 1

The plant growth lamp comprises a radiator, a driving power source, an LED lamp panel and a lens board, the driving power source is used for driving the LED lamp panel, the LED lamp panel is covered with the lens board, the radiator comprises a power source installation part and a light source installation part, the driving power source is installed on the power source installation part, and the lens board is installed on the light source installation part. And the LED lamp panel is rotatably mounted on the light mounting part. The first LED lamp panel and the second LED lamp panel of the LED lamp panels are driven through the rotating mechanism, so that one end of the first LED lamp panel and one end of the second LED lamp panel can slide in the vertical direction, the distance between the LED lamp panels and the lens plate is flexibly adjusted, and accurate control over the irradiation angle is achieved.

An optical device comprises a first optical element (101), a second optical element (102), and a third optical element (103). The first optical element is rotatable with respect to the second optical element around a geometric optical axis (108) of the optical device, and the third optical element is linearly moveable with respect to the second optical element along the geometric optical axis. The first and second optical elements comprise surfaces (104, 105) facing towards each other for changing a width of a light distribution pattern in two perpendicular directions in response to rotating the first optical element with respect to the second optical element. The second and third optical elements comprise surfaces (106, 107) facing towards each other for changing the width of the light distribution pattern in only one direction in response to linearly moving the third optical element with respect to the second optical element.

The utility model discloses a skin care device, an accessory head and a skin care assembly, the skin care device comprises a main machine shell, a light emitting assembly, a light filtering assembly and a first light transmitting part; the host shell is provided with a light outlet hole; the light emitting assembly is arranged in the main machine shell and used for generating light rays emitted to the skin to be treated from the light emitting hole; the light filtering assembly is arranged on the side, facing the light outlet hole, of the light outlet assembly and used for filtering light emitted by the light outlet assembly to the light outlet hole. The first light transmitting part is arranged in the light outlet hole and comprises a light outlet surface and a light inlet surface, the light outlet surface and the light inlet surface are oppositely arranged, the light outlet surface is used for being attached to the to-be-treated skin, the light inlet surface is arranged towards the light outlet assembly, and the light inlet surface is a convex surface, so that the first light transmitting part is used for focusing light generated by the light outlet assembly and transmitting the light to the to-be-treated skin. According to the application, the energy intensity of the light emitted to the to-be-treated skin by the light emitting assembly can be higher, and finally, the nursing effect of skin nursing can be improved.

The invention discloses a lifting type lighthouse, and belongs to the technical field of lighting equipment, the lifting type lighthouse comprises a supporting main body, a lifting assembly and a lighting assembly, the lifting assembly is arranged on the supporting main body, and the lifting assembly comprises a plurality of mast sections, a driving mechanism and a rotating mechanism, the driving mechanism is used for driving the mast sections to ascend and descend. The rotating mechanism is used for driving the mast sections to rotate around the axes of the mast sections. The lighting assembly is connected to the mast section on the innermost layer and comprises at least one lamp holder module, the lamp holder module is provided with an installation base body, a plurality of light source units are arranged on the installation base body, a face cover is arranged in front of the light source units, and a drainage structure is arranged on the face cover. According to the lifting type lighthouse, mechanical lifting, rotary adjustment and active waterproof drainage design are integrated, so that the operation convenience, environmental adaptability and reliability of the lifting type lighthouse are improved.

A multi-color LED illumination device and specifically a lens comprising a cylindrical opening extending into the lens from a light entry region at which one or more LEDs are configured. A concave spherical surface extends across the entirety of the light exit region of the lens, and a TIR outer surface shaped as a CPC extends between the light entry region and the light exit region. There are various diffusion surfaces placed on the sidewall surface of the cylindrical opening, as well as its upper planar surface and the exit surface of the lens. Lunes can also be configured on the sidewall surfaces of the cylindrical opening. The combination of lunes, diffusion elements, and the overall configuration of the lens provides improved color mixing and output brightness using three interactions in a first portion of light and two interactions in a second portion of light. Those interactions includes two refractions either with an intermediate reflection or not, all of which are necessary to achieve the improved performance of the multi-color LED illumination device and lens hereof.

The invention provides a light-emitting device, and relates to the technical field of light emitting. The light-emitting device comprises a light-emitting part and a light uniformizing cover. Wherein the light-emitting part is used for emitting light; the light uniformizing cover comprises a first light-transmitting layer and a second light-transmitting layer, the first light-transmitting layer is made of polytetrafluoroethylene, the rigidity of the second light-transmitting layer is larger than that of the first light-transmitting layer, the second light-transmitting layer and the first light-transmitting layer are oppositely arranged, the side faces, close to each other, of the second light-transmitting layer and the first light-transmitting layer abut against each other, and the first light-transmitting layer and the second light-transmitting layer are arranged in the arrangement direction. The second light-transmitting layer and the first light-transmitting layer are located on the same side of the light-emitting surface of the light-emitting part and are arranged opposite to the light-emitting surface. The light-emitting device provided by the invention is used for emitting light and can improve the uniformity of the light.

The present invention relates to an emitter having at least one light source and a lens for shaping a beam for illuminating a target area. According to the invention, the lens has a through opening for allowing passage of an unreflected and undeflected direct light beam, on the input side of which the light source is positioned, wherein an inner circumferential surface enclosing said through opening at least partially forms a light entrance surface of the lens, at which some of the light rays emitted by the light source enter the lens, and are deflected by the lens by way of total internal reflection and are emitted as an indirect light beam from a light exit surface, wherein said inner circumferential surface is contoured in such a way that Fresnel reflections occurring at said inner circumferential surface are emitted through said through opening and illuminate the target area as part of the direct light beam and / or of the indirect light beam.

The utility model relates to the technical field of lighting, provide a spotlight, include: light -transmitting panel, lens and light source, the light source is located the incident end of lens, the light -transmitting panel is located the outgoing end of lens, be equipped with the light outlet on the light -transmitting panel, the central axis of light outlet and the central axis of lens coincide, and the diameter of light outlet is less than the diameter of the outgoing end of lens. The utility model discloses a spotlight, the diameter of light outlet on the light -transmitting panel is less than the diameter of the outgoing end of lens, owing to the smaller light outlet, the stray light of lens outgoing is blocked by the cover plate, only the light that passes through the convergence of lens is exported from the light outlet, thereby avoided the glare.