26results about How to "Improve lighting efficiency" patented technology

The utility model discloses a novel anti -dazzle lamp area, including n shape silica gel cover, set up in the flexible substrate of n shape silica gel cover, the lamp pearl of fixed on the flexible substrate, the irradiation light guide silica gel layer of integrative forming has in n shape silica gel cover, the inner chamber top wall between irradiation light guide silica gel layer and n shape silica gel cover is provided with light source installation strip groove, the strip cavity is provided with in irradiation light guide silica gel layer, and strip cavity is parallel with light source installation strip groove, the honeycomb board of integrative forming has in irradiation light guide silica gel layer, and honeycomb board is with light source installation strip groove and is in the symmetrical side of strip cavity. The utility model discloses the structure is reasonably set up, and there is strip cavity cooperation honeycomb board in irradiation light guide silica gel layer, and the light of the lamp pearl in light source installation strip groove is after passing through strip cavity and honeycomb board, is favorable for the anti -dazzle performance of promotion irradiation, and the use stability of overall structure is promoted to the integrative forming of irradiation light guide silica gel layer and n shape silica gel cover, and the lighting light effect is promoted, can satisfy the use demand of different conditions.

This invention discloses an installation method for a time-zone-division circular pedestal curtain wall. The time-zone-division circular pedestal curtain wall includes time-zone-division curtain wall units. A set of curtain wall glass is arranged with 24 units corresponding to 24 time zones, forming a pedestal shape that is smaller at the top and larger at the bottom. A time zone pointer is also provided at the top of the curtain wall glass, and the projection of the time zone pointer is projected onto the outer surface of the curtain wall glass. This invention facilitates the lighting and aesthetic requirements of the central area by setting a continuous circular pedestal curtain wall in the middle of the corridor. The setting of the lower and upper floor sloping walls facilitates the installation of the curtain wall keel, providing a fixed foundation and ensuring the overall structural integrity. The time-zone setting of the curtain wall glass ensures both aesthetic appeal and ease of installation while improving lighting efficiency. The setting of the time zone pointer and the pointer connecting wall further makes the central curtain wall resemble a sundial, enriching the structural types, and the pointer connecting wall at the connection point ensures the stability of the installation.

The utility model discloses a hyperbolic cooling tower construction is with lighting device belongs to lighting equipment technical field, and its technical key points include guide rail, the periphery of guide rail evenly fixedly connected with a plurality of baffle, the inside of baffle is provided with bolt, the inside of guide rail is provided with the mobile locking assembly that positions lighting device, and the top of mobile locking assembly is provided with universal connecting column, and the one end of universal connecting column away from guide rail is provided with the charging type LED lamp, the utility model discloses the design through guide rail and mobile locking assembly, has realized the smooth movement and accurate positioning of lighting lamp in fixed track, and construction personnel can install guide rail once on the outer wall of hyperbolic cooling tower, and only needs to be adjusted lighting area remotely through push -and -pull in succession, avoids the operation of frequent, manual adjustment lamp position in the high altitude dangerous environment, greatly reduces the risk and operation difficulty of high altitude operation.

The present disclosure relates to an LED lighting device. The LED lighting device includes a luminaire housing forming a mounting surface, a connection plate configured to be electrically connectable to an external power source and fixed to the luminaire housing, and a plurality of LED modules fixed to the luminaire housing in a state of being electrically connected to the connection plate, each of the LED modules including an LED light source. The connection plate and the LED modules are disposed on the same plane with respect to the mounting surface.

The utility model relates to gem processing detection technical field more specifically, relate to a gem cutting and grinding process three -dimensional dynamic optical detection module, including mounting bracket, the mounting bracket includes upper roof, left side board, lower bottom plate and right side board, the upper roof, left side board, lower bottom plate and right side board combine and form the rectangular structure, wherein the middle part of upper roof is provided with fixed hole, the middle part of lower bottom plate is open, the right side and left side of lower bottom plate are provided with first off -axis parabolic mirror and second off -axis parabolic mirror respectively, the upside of first off -axis parabolic mirror and second off -axis parabolic mirror is provided with semiconductor laser and acquisition camera respectively. First off -axis parabolic mirror focuses laser to gem surface, second off -axis parabolic mirror captures the laser signal of gem surface reflection, and reflects it to acquisition camera, realizes the dynamic focusing of curved surface gem detection without aberration, and this detection mode adopts non -contact detection, avoids the damage of gem surface.

The invention relates to a lighting device for a vehicle, having a flat light guide unit (2) for generating a predefined light function, comprising: opposite flat sides (9, 10), on which coupled light (L1, L2) can be totally reflected within the flat light guide (8) in a light guide direction (11); the invention relates to a lighting device (1) having a flat side (2), a narrow side (12, 12 ') connecting the flat side, at which light energy generated by a light source (13) is coupled into a flat light conductor, and having a retroreflector unit (3) for generating a retroreflective function, which retroreflector unit comprises a plurality of retroreflective elements (18) arranged in a plane, the retroreflector unit is arranged offset from the flat light conductor of the flat light conductor unit in the main emission direction (H), the flat light conductor of the flat light conductor unit being arranged downstream of the retroreflector unit in the main emission direction.

The invention provides a gallium nitride-based semiconductor laser with a gradient radiation recombination coefficient waveguide layer, which is characterized in that a lower waveguide layer and an upper waveguide layer are respectively a gradient radiation recombination coefficient lower waveguide layer and a gradient radiation recombination coefficient upper waveguide layer; and a fitting curve of In ion strength distribution or In atom concentration distribution and a fitting curve of radiation recombination coefficient distribution of the waveguide layer on the gradient radiation recombination coefficient both meet any function distribution of GaussAmp, InvsPoly and Hill in an SIMS test. A fitting curve of In ion strength distribution or In atom concentration distribution and a fitting curve of radiation recombination coefficient distribution of the waveguide layer under the gradient radiation recombination coefficient both meet BiDoseResp function distribution in an SIMS test. According to the invention, carriers, quantum recombination and a light field are efficiently localized, the laser gain is improved, the carriers and the light field are efficiently localized in an active layer (quantum well), meanwhile, non-radiative recombination and absorption loss of a waveguide region are inhibited, and the threshold current, slope efficiency and reliability are further improved.

The invention discloses a lens and a lamp. The lens is used for the lamp. The lamp comprises a light-emitting part, and the lens comprises a lens body. The lens body is arranged on the side, facing the ceiling, of the light-emitting part and is opposite to the ceiling in the first direction. In the first direction, the lens body comprises a first side wall face facing the light-emitting part and a second side wall face deviating from the light-emitting part. The second side wall surface is provided with a first light guide structure and a second light guide structure. The first side wall face is configured to refract light emitted by the light emitting part to the second side wall face, the first light guide structure can refract part of the light to the side, facing a ceiling in the first direction, of the lens body, and the second light guide structure can reflect part of the light to the peripheral side, in the second direction, of the lens body. The light intensity of the peripheral side of the lens body is larger than the light intensity of the side, facing the ceiling, of the lens body. According to the scheme, the shadow and overexposure phenomena of the ceiling above the lamp can be effectively avoided, and the light illumination efficiency and the illumination effect are improved.

The application provides a semiconductor laser element, which comprises, from bottom to top, a substrate, a lower confinement layer, a lower waveguide layer, an active layer, an upper waveguide layer, an electron blocking layer and an upper confinement layer; a topological Dirac electron point layer is arranged between the upper waveguide layer and the electron blocking layer, and a topological Dirac electron point layer is arranged between the electron blocking layer and the upper confinement layer; the active layer is a periodic structure composed of a well layer and a barrier layer, and the number of periods is 3 >= m >= 1; the well layer is any one or any combination of InGaN, InN, AlInN and GaN, and the thickness is 10-80 angstrom meters; and the barrier layer is any one or any combination of GaN, AlGaN, AlInGaN, AlN and AlInN, and the thickness is 10-120 angstrom meters. The semiconductor laser element provided by the application can generate non-local effects between electrons and electrons through the cage lattice structure of the arranged topological Dirac electron point layer, and can inhibit the charge density wave and the quantum limited Stark effect.

This utility model discloses an ultra-wide-angle symmetrical projection device, comprising a light source and a reflector with a "U"-shaped structure. The light source is installed in the center of the inner side of the reflector, and the light is guided by multiple sets of reflective surfaces to form four independent illumination areas. This device can simultaneously produce ultra-wide-angle illumination on both sides and long-distance light distribution effect in a narrow angle in front, achieving symmetrical lighting characteristics of ultra-wide-angle on the long side and focused light on the short side. It is suitable for applications requiring large-area and high-precision guided lighting.

The utility model provides an illumination module which is used for the technical field of vehicles, and particularly relates to a dual-light illumination module which comprises a PCB (Printed Circuit Board) which is vertically arranged or obliquely arranged; the low-beam light source and the high-beam light source are both arranged on the PCB and have a height difference; the low-beam module and the high-beam module are respectively matched with the low-beam light source and the high-beam light source; wherein the low-beam module comprises a low-beam inner lens and a low-beam outer lens, and a Kink structure and a Flat structure are formed in the low-beam inner lens. According to the dual-light illumination module, the compact structure and high heat dissipation efficiency of the illumination module are achieved through the PCB which is vertically or obliquely arranged, the low-beam module and the high-beam module which are correspondingly arranged up and down, and the Kink structure and the Flat structure which are formed in the low-beam inner lens. The utility model further provides a car lamp comprising the double-light illumination module.

This invention discloses a novel foldable backlight system suitable for head-up display (HUD) systems, comprising: a lamp panel assembly; a collimating lens for collimating white light emitted from LED beads; a spherical reflector for reflecting and shaping the collimated light; a beam expander for diffusing and homogenizing transmitted light; and an S-polarizing filter for filtering P-polarized light within the backlight. The light path is as follows: white light emitted from the lamp panel assembly passes through the collimating lens, is projected onto the spherical reflector, reflected by the beam expander, transmitted through the S-polarizing filter, and finally illuminates a 4.1-inch TFT screen. This invention also discloses a motor vehicle incorporating the above-described novel foldable backlight system, and a backlight display method. The HUD backlight system of this invention has the advantages of reducing surface heat of the TFT screen and minimizing the size of the PGU (Power Gear Unit).

The application provides a spatial optical circuit switching array based on a MEMS adjustable metasurface and a control method thereof, and relates to the technical field of optical communication.The array comprises a transmitting end array and a receiving end array;the transmitting end array and the receiving end array each comprise two layers of transmission metasurface layers arranged in parallel;each transmission metasurface layer comprises a plurality of planarly arranged metasurface units;the transmitting end array modulates the phase of the normally incident light of any input optical port to generate outgoing light with a deflection angle;the receiving end array applies a translation compensation opposite to the transmitting end array to the outgoing light to make the outgoing light recollimate and couple to a target output optical port.The control method realizes non-blocking spatial light path reconstruction of multiple light paths concurrently through master-slave cooperative control within a limited displacement stroke.Under the condition of multiple light paths concurrently, the application realizes non-blocking spatial light path reconstruction and dynamic switching within a limited displacement range, and effectively avoids light path crosstalk.

The utility model provides a rotatable spreadlight lens street lamp module, which comprises a light source assembly, a plurality of light-emitting units and a plurality of light-emitting units, the two opposite sides of the light source assembly are provided with a movable heat dissipation assembly and a movable polarization assembly respectively. The polarization assembly is provided with an indication assembly; the polarization assembly is located on a light emitting path of the one or more light emitting units; the polarization assembly is rotationally connected with the heat dissipation assembly; the polarized light assembly moves relative to the light source assembly after being subjected to external force, the polarized light assembly drives the indicating assembly located on the polarized light assembly to correspondingly move so as to indicate the change of the polarized light direction, the irradiation range and angle of light rays are accurately adjusted according to the actual illumination requirement, light ray waste is avoided, the light rays can more evenly cover the illumination area, and the illumination effect is improved. The problems that part of the area is too bright and part of the area is too dark due to the fixed illumination direction of a traditional street lamp are solved, so that a more comfortable illumination environment is provided, and the illumination efficiency is improved.

The invention provides a diffractive optical waveguide and near-eye display equipment. The diffractive optical waveguide comprises a waveguide substrate, a coupling-in grating region, a coupling-out grating region, a turning grating region and an additional grating region, the coupling-in grating area, the coupling-out grating area, the turning grating area and the additional grating area are arranged on the waveguide substrate, and the coupling-in grating area is adjacent to the turning grating area in the first direction. The coupling-out grating region is adjacent to the coupling-in grating region and the turning grating region in the second direction, and the additional grating region is adjacent to at least one of the turning grating region and the coupling-out grating region; the first direction is different from the second direction; after the light is coupled into the waveguide substrate in the coupling-in grating area, the light is transmitted to the coupling-out grating area after being sequentially acted by at least one of the turning grating area and the additional grating area, and is coupled out of the waveguide substrate through the coupling-out grating area, so that the light can be circularly transmitted in the waveguide substrate in a reciprocating manner, and the utilization rate of light beam energy of the light can be improved. And the optical efficiency of the diffraction optical waveguide is improved.

A light-emitting display device according to one or more embodiments of the present disclosure can include a substrate including a plurality of sub-pixels having a light-emitting area and a non-light-emitting area; a pixel circuit disposed within the non-light-emitting area on the substrate; at least one insulating layer disposed on the pixel circuit; and a color filter disposed on the at least one insulating layer and corresponding to at least one of the plurality of sub-pixels, wherein one or more of the plurality of sub-pixels can include a low-reflection optical portion adjacent to or in contact with the color filter within the light-emitting area and having at least one transverse electric mode (TE mode) reflection pattern.

The utility model discloses a novel multi-light-source wall lamp structure which comprises a wall lamp body and an installation back plate, and the wall lamp body comprises an upper lamp body, a lower lamp body, a lower light source, a plurality of upper light sources and a plurality of light-transmitting lampshade plates. A lower light source avoiding channel is arranged at the bottom of the upper lamp body, irradiation channels are arranged on the front face and the side face of the upper lamp body, and the back face of the upper lamp body is connected with the installation back plate. An upper annular powerful magnet and a first conductive terminal are fixed on the bottom wall of the upper lamp body; a driving circuit board is arranged in the lower lamp body; a lower annular powerful magnet and a second conductive terminal are fixed on the top surface of the lower lamp body; the upper light source is fixed to the bottom of the top wall of the upper lamp body. The lower lamp body can be replaced or maintained according to needs, use convenience is improved, the back face of the mounting back plate is connected with the upper lamp body, mounting stability is guaranteed, the upper light source is matched with the lower light source, lighting requirements of different scenes can be met, and dismounting, replacing and maintaining operation is convenient.

The invention belongs to the technical field of optical microscopic imaging, and particularly relates to a single objective lens light sheet microscopic imaging system, which comprises an exciting light modulation light path, a fluorescence detection light path and a microscopic imaging system, and is characterized in that the exciting light modulation light path is used for generating an illumination light sheet to excite fluorescence, and specifically comprises a laser, a beam expanding collimating lens group, a modulator, a scanning system and the like. The microscopic imaging system is used for transmitting an illumination light sheet and collecting light emitted by a sample, and comprises a dichroscope, a galvanometer module, an image rotating system, a tubular lens, an objective lens and the like. And the fluorescence detection light path comprises a relay lens group, a modulation element, a band-pass optical filter, a camera and the like. According to the invention, tasks of light sheet illumination and fluorescence collection in a traditional double-objective light sheet microscope are completed through a single objective, a remote focusing system or a micro-mirror reflection structure commonly used in an existing single-objective light sheet microscope does not need to be used, and a light sheet orthogonal to a focal plane is adopted for illumination. Compared with the existing light sheet microscope technology, the method has higher usability and flexibility, allows free switching of objective lenses under the condition of not changing other light paths, is compatible with any objective lens and various samples, does not need any software processing including deskewing in the principle of an obtained image, can directly display and use an original image, and is high in practicability. The system has higher resolution and is close to ideal isotropic imaging when various objective lenses are used for imaging.

The utility model provides a kind of optical module, including substrate;Side wall, form in the four around of the substrate, the side wall and the substrate form cavity;Light emitting chip assembly, located in the cavity, the light emitting chip assembly is installed in the surface of the substrate and is electrically connected with the substrate;The side wall forms light blocking piece, to block the light from the light emitting chip assembly from the side wall overflow.This optical module can block light overflow to improve the light efficiency of light emitting chip assembly, and then improve module reliability, and have the advantages of miniaturization, low cost, meet the higher requirements of modern electronic equipment.

The utility model discloses a detachable combined positive and negative shading intelligent learning table lamp, which belongs to the field of intelligent learning table lamps, a plurality of fasteners are arranged at the port of a lamp holder, a rotary butt joint pipe is connected through the fasteners, and a side frame is arranged at the outer end of the rotary butt joint pipe. The upper end and the lower end of the side frame are connected with a forward shading plate and a reverse shading plate through hinge assemblies, the relative angles between the forward shading plate and the side frame and between the reverse shading plate and the side frame are achieved through the hinge assemblies, and therefore the shading degree is adjusted. The designed detachable shading mechanism enables a user to easily adjust the position and the angle of the shading plate, and light shading is accurately controlled. Therefore, the equipment flexibility is improved, and the illumination requirements in different scenes are met. A hinge assembly and a rotary butt joint pipe of the shading adjusting mechanism enable a user to conveniently adjust the orientation and angle of the shading plate, and the practicability and adaptability of the equipment are enhanced. A user can rotate the shading plate to obtain the optimal lighting effect, light scattering is avoided, and the lighting efficiency is improved.

The utility model discloses a lifting-adjustable tissue culture device which comprises a supporting bottom plate, a fixing rod is fixedly connected to the upper surface of the supporting bottom plate, a groove is formed in the fixing rod, a multi-stage air cylinder is fixedly connected to the upper surface of the supporting bottom plate, a sliding block is fixedly connected to the output end of the multi-stage air cylinder, and the sliding block is fixedly connected to the output end of the multi-stage air cylinder. A groove is formed in the supporting bottom plate, the inner surface of the groove is slidably connected with a sliding block, the side surface of the sliding block is fixedly connected with a placement plate, a placement groove is formed in the placement plate, and a tissue culture box is arranged on the inner surface of the placement groove. According to the height-adjustable tissue culture box device, the use height of the tissue culture box can be adjusted according to the requirements of plants in different growth stages on illumination intensity, the height-adjustable tissue culture box device is high in use flexibility, and the situation that an operator moves the tissue culture box from one layer of culture frame to another layer according to the growth condition of the plants is avoided through the height-adjustable tissue culture box, so that the labor intensity of workers is reduced.

According to the battery string and the photovoltaic module, on one hand, the first front bus bar is arranged on the back surface of the first battery piece, so that the front space is not occupied, the effective light receiving area of the photovoltaic module can be effectively improved, and the light efficiency is improved; on the other hand, the first insulating strip is positioned between the first front bus bar and the first back welding strip, so that a short-circuit fault caused by electric contact between the first front bus bar and the first back welding strip can be effectively prevented; furthermore, a low-temperature tin layer is arranged on at least one of the surface of the first lead-out part and the outer wall surface of the first front bus bar, and the hot melting temperature of the low-temperature tin layer is 130-200 DEG C, so that the welding temperature is controlled to be 130-200 DEG C, the first lead-out part and the first front bus bar can be welded and connected together, and alloy is formed at the contact part of the first lead-out part and the first front bus bar; the welding temperature is relatively low, and the first insulating strip cannot be damaged.

The utility model discloses a kind of high reliability, low cost, light intensity adjustable plant light supplement control lamp, belong to plant light supplement technical field.A kind of high reliability, low cost, light intensity adjustable plant light supplement control lamp, including embedded controller, light supplement lamp, current sensor, driver and high-power switching power supply;Source module is used to convert commercial power into isolated DC safety voltage;Embedded controller is used to receive control instruction and output control signal;At least one group of LED lamp group, as light supplement output unit;Driver receives the control signal of controller, adjusts the current output to LED lamp group;Current sensor is used to detect bus current and feedback to controller;The light supplement lamp is output unit;The utility model is to solve the problem that traditional light supplement control scheme in prior art, multiple rely on manual operation to adjust light intensity, lack accurate perception and feedback mechanism, it is difficult to dynamically adjust light supplement parameter according to the real-time demand of plant growth.

This utility model discloses an ultra-wide-angle projection device below eye level, comprising a light source, a reflector, and a support. The reflector is mounted on a mounting surface and contains multiple reflective surfaces capable of primary reflection. Through specific reflective optical design and in conjunction with the unevenness of the ground or building surface, a portion of vertical illuminance is converted into horizontal illuminance, achieving both vertical and horizontal illumination for a three-dimensional lighting effect. This device can generate wide-angle, wide-range, and effective light distribution in multiple directions, including long distances, short distances, and both sides and edges, providing visually comfortable, highly uniform, and low-glare lighting while reducing environmental light pollution and decreasing the wattage and number of lamps. It is suitable for various indoor and outdoor applications, offering high energy efficiency and environmental friendliness.

The utility model discloses a novel decorative ceiling lamp structure which comprises an installation base and a hanging rod fixed on the installation base, a lamp structure is arranged on the lower portion of the hanging rod, and the lamp structure comprises a plurality of cube frames with different side lengths, a plurality of light source strips and a plurality of light-transmitting strips. Strip-shaped grooves are formed in the side faces of the frame edges of the cube frame, and the strip-shaped grooves are formed in the side faces, close to the center of the cube frame, of the frame edges. The light source strip is fixed in the strip-shaped groove, and the light transmitting strip is clamped at an opening of the strip-shaped groove; an up-down through mounting channel is arranged at one vertex angle of the cube frame; the cube frame is clamped and limited through the limiting connecting column rods and the hanging rods or the adjacent limiting connecting column rods. The vertex angles of the side edges of the adjacent cube frames are staggered in sequence. The decorative effect can be improved, the light source strips are arranged on the frame edges of the cube frames, the lighting effect can be improved during irradiation, and the number of the cube frames can be increased or decreased according to the requirements of the decorative and lighting effects.

A display device includes a substrate; a first electrode disposed on the substrate; a pixel definition layer having a pixel opening defined on the first electrode; an emission layer disposed in the pixel opening; a second electrode disposed on the emission layer; an encapsulation layer disposed on the second electrode; a sensing electrode portion and a reflective layer disposed on the encapsulation layer; a first light blocking layer overlapping the sensing electrode portion; and a second light blocking layer overlapping the reflective layer, wherein the reflective layer includes a plurality of recessed portions disposed in an area overlapping the second light blocking layer.