1968results about "Light guides for lighting systems" patented technology

An aperture unit having an optical axis is provided, which includes a fixed portion having a first surface and including a protrusion formed on the first surface, a guiding element movably connected to the fixed portion and including a through hole, a first blade movably connected to the guiding element and the fixed portion, and a driving assembly use for driving the guiding element to move for moving the first blade. The optical axis passes through the through hole. The first surface has a first accommodating space having a recessed structure to accommodate the guiding element, and the protrusion extends toward the first blade.

A backlight module for a lighting keyboard having a specific function key comprises a lighting board, a light guide panel and a shielding sheet. The shielding sheet, the light guide panel and the lighting board are stacked from top to bottom. The lighting board has first and second light emitting units. The light guide panel has first and second light guide holes. The first light emitting unit is in the first light guide hole. The second light emitting unit is in the second light guide hole. The shielding sheet has a blocking portion. The blocking portion overlaps in projection with the first light emitting unit and the second light emitting unit. The light guide panel has a light guide panel slot. The light guide panel slot overlaps in projection with the blocking portion and a boundary of a keycap projection area of the specific function key.

A headphone that can replace multiple components without the need for professional tools includes two headphone bodies, which are connected together through headbands. A sheath is provided on the inner side of the headband facing the headphone body, and the end of the sheath is detachably connected to the headband. The bottom of one headphone body is connected with a power cord and a microphone, and the magnetic suction on the back side of the two headphone bodies is equipped with a decorative cover, The opposite side of the two headphone bodies is buttoned and equipped with earmuff.

The utility model provides a lamp effect display structure and an atomization device thereof, the lamp effect display structure is applied to the atomization device, the lamp effect display structure comprises a panel assembly, the panel assembly is provided with a light guide groove and a light hole, the light guide groove is formed in the surface of the panel assembly, the light guide groove is provided with a reflection area, and the light emitting position of the light hole faces the reflection area; the light-emitting component is arranged on one side, opposite to the surface of the panel component, of the panel component and is opposite to the light-transmitting hole; light emitted by the light-emitting assembly is projected to the reflection area through the light-transmitting hole, and the reflection area can reflect the light emitted by the light-emitting assembly to the surface of the panel assembly. According to the panel assembly, the light guide groove is formed in the panel assembly, the light emitted by the light transmitting hole is reflected through the reflection area formed by the light guide groove, then the direct light emitting mode is avoided, the discomfort brought to a user by light emitting of the light transmitting hole is reduced, and the use comfort degree is improved.

The utility model relates to a light-transmitting guide pipe structure of a light-transmitting concrete outer wall, which is used for being matched with construction of a non-contact double-layer outer wall and forming a light guide channel penetrating through the double-layer outer wall at the same time after the construction is completed. The light-transmitting guide pipe structure comprises a first sleeve, a second sleeve and a transparent light guide rod; one end of the first sleeve is connected to one end of the second sleeve in a sleeved mode, and a pipe cavity with the inner diameter decreasing from the first sleeve to the second sleeve is formed in the pipe. The length and the shape of the transparent light guide rod correspond to those of the tube cavity; the first sleeve and the second sleeve are sequentially matched with the double-layer wall body for construction and connection, while sequential construction of the double-layer wall body is not affected, a lateral light shielding channel is formed after the double-layer wall body is used, and then a light guide channel penetrating through the double-layer wall body at the same time is formed after the transparent light guide bar is inserted into the double-layer wall body; the limitation that a conventional light-transmitting rod can only be applied to a single-layer concrete wall is eliminated, and the application scene of the light-transmitting concrete wall is expanded.

The utility model discloses a magnetic steel positioning mechanism of a decorative ring assembly, which comprises a large support, a decorative ring assembly arranged on the large support and rotatably connected with the large support, and a stepping motor driving the decorative ring assembly to rotate, the stepping motor is fixed on the large support, one end of the decorative ring assembly is fixedly provided with a rotating shaft, and the other end of the decorative ring assembly is fixedly provided with a magnet. The rotating shaft is provided with a magnetic steel assembly, and the large support is fixedly provided with a Hall sensor module matched with the magnetic steel assembly. According to the utility model, the acting surfaces of the decorative ring assembly are switched through the stepping motor, so that different shapes are presented, different light requirements are met, a dynamic effect of rotation of the decorative ring assembly is generated when the decorative ring assembly rotates, and compared with a single light effect of sequential lighting of a conventional light source, the light effect is richer.

The utility model provides a light guide and an atmosphere lamp, and relates to the technical field of light guides. The light guide is provided with a light inlet end and a tail end opposite to the light inlet end, the light guide is sequentially provided with a plurality of areas in the light guide direction, each area is provided with a texture structure, the texture structures of the areas sequentially change in the light guide direction, and the light guide direction is the direction from the light inlet end to the tail end. The light guide is more uniform in light emitting effect.

The utility model discloses an alloy buckle type screw-free UFO mining lamp, and relates to the technical field of mining lamps, the alloy buckle type screw-free UFO mining lamp comprises a shell and a lighting mounting mechanism, and the lighting mounting mechanism is arranged on the inner side of the shell; through the arrangement of the illumination mounting mechanism, the lens disc and the shell are fixedly clamped through a fixing buckle, the mounting convenience of the lens disc is improved, meanwhile, a pressing buckle spring is deformed during buckling, and when the stroke reaches the maximum deformation stress point, the pressing buckle spring can provide an inward recovery force, so that the lens disc is prevented from being damaged. The light emitted by the lamp panel is subjected to angle refraction through the optical light guide groove, the irradiation angle of the lamp panel is changed, and when the angle of the UFO mining lamp needs to be changed, only the fixing buckle needs to be opened to rotate the angle of the lens disc, and then the UFO mining lamp can be installed through the fixing buckle and the lens disc. And different angles of the UFO mining lamp can be adjusted by fixing the lamp holder, so that the use convenience of the UFO mining lamp is improved.

A light-transmitting substrate is deployed with a first of two major surfaces in facing relation to an eye of a viewer and guides light by internal reflection between the two major surfaces. An optical coupling-out configuration couples image light, that corresponds to a collimated image and that is guided by internal reflection between the two major surfaces, out of the light-transmitting substrate. A first optical coupling configuration collimates light from the eye to produce collimated light, and couples the collimated light into the light-transmitting substrate for guiding by internal reflection. A second optical coupling configuration couples the collimated light out of the light-transmitting substrate toward an optical sensor that senses the coupled-out light. A processing system derives current gaze direction of the eye by processing signals from the optical sensor.

The utility model relates to a light guide installation structure, an automobile lamp and a vehicle, the light guide installation structure comprises a light guide, a lamp body and an LED support, the LED support is installed on the lamp body, the lamp body is provided with a pair of clamping groove structures which are oppositely arranged in the Y-axis direction, and the light guide is embedded and fixed on the lamp body through the clamping groove structures; a pair of grooves are formed in the LED support in the X-axis direction, and the two ends of the light guide in the X-axis direction are connected into the grooves respectively. Through the clamping groove structure, the groove and the turnups on the two sides of the light guide, the light guide is fixedly installed on the lamp body, the light guide is limited and stabilized in the X direction and the Y direction, therefore, the installation steps are simplified, the cost is saved, and the installation strength of the light guide is guaranteed.

A light guide includes: a light entrance section which has a light entrance surface to which light is input, reflective surfaces and a light transmitting section, the reflective surfaces reflecting a part of the light input, and the light transmitting section transmitting another part of the light input and reflected light reflected by the reflective surfaces; a light guiding section which has a light exit surface, and guides the reflected light so that it is output from the light exit surface; and a continuous section and a non-continuous section. A large part of the light collected by the light entrance section can be output from the light exit surface, by a part of the light input being reflected by the reflective surfaces and the reflected light entering the light guiding section from the light transmitting section via the continuous section to be guided within the light guiding section.

A detection device includes: a plurality of photodiodes arranged on a substrate; a front light including a light guide plate disposed so as to overlap the photodiodes, a light source configured to emit light to a first side surface of the light guide plate, and a plurality of scattering portions provided on the light guide plate and configured to scatter light from the light source; and an optical filter layer provided between the photodiodes and the light guide plate of the front light. The optical filter layer includes a plurality of light guide paths that at least partially overlap the photodiodes, and a light-blocking portion having higher absorbance of the light than the light guide paths. The scattering portions are provided in an area overlapping the light-blocking portion of the optical filter layer on a surface of the light guide plate facing the optical filter layer.

The utility model discloses a Baullouin mirror lamp panel with replaceable display in the field of lighting lamps, which comprises a partition plate arranged in a hollow frame, the interior of the frame is divided into an upper groove body and a lower groove body, the top of the upper groove body is detachably provided with a semitransparent mirror, the bottom of the upper groove body is provided with a single-sided mirror, and the single-sided mirror is separated from the semitransparent mirror through a hollow gasket. The inner side of the gasket is provided with a light guide plate which is detachably installed, decorative patterns are printed on the light guide plate, the bottom of the light guide plate is provided with protruding insertion rods used for being inserted into the single-face mirror for fixation, the face, close to the light guide plate, of the single-face mirror is provided with insertion grooves corresponding to the insertion rods in number and position, and the inner wall of the gasket is provided with an LED lamp strip used for projecting light rays to the light guide plate. The light guide plate is mounted and fixed in the upper groove body in a detachable connection manner, and decorative patterns are printed on the light guide plate, so that a user can flexibly replace the light guide plate with different decorative patterns according to different use environments, and finally, different pattern visual effects are displayed in the deep llouin mirror lamp panel.

Presented are apparatus, systems and methods for creating tuned color emissions, from lighting and displays, that can be electronically controlled to select a desirable spectrum of wavelengths safer for human vision, for optimal color reproduction, for energy / brightness efficiency, and more. Apparatus including light emitting chips, materials, package design, electronic control devices and circuits, lights, light-fixtures, display panels, visual computing devices and systems, are disclosed. An embodiment is described which is capable of operating in modes, where eye-safe colors are rendered with minimal harmful wavelengths, as well as at least one mode of operation favoring color rendering, and brightness configurations. An embodiment is operable to deliver a paper-like black-on-white viewing experience, in both night-time and day-time operating modes, with reduced high-energy blue-wavelength light spectra. In one embodiment, the light-emitter, controller, display and system are operable to switch between these modes of operation.

A light guide plate including a plate body and a plurality of optical microstructures is provided. The plate body has a first surface. The plurality of optical microstructures are formed on the first surface of the plate body. Each of the plurality of optical microstructures has an optical curved surface and a plurality of optical reference surfaces configured to divide the optical curved surface. The plurality of optical reference surfaces are perpendicular to the first surface. Intersections of the optical curved surface and the plurality of optical reference surfaces respectively form a plurality of optical profile lines. An optical angle is formed between the first surface and each of the plurality of optical profile lines, and angles of at least part of the optical angles are different from each other. A light source module and a display apparatus adopting the light guide plate are also provided.

The utility model relates to an automobile sun shield cosmetic mirror illuminating lamp structure which comprises a lamp holder (1), a light guide plate (2) arranged on the lamp holder (1), a reflective film (3) arranged between the light guide plate (2) and the lamp holder (1), LED lamp beads (4) arranged on one side of the light guide plate (2), a diffusion film (5) arranged on the front face of the light guide plate (2), and a mirror (6) arranged above the diffusion film (5). The mirror (6) comprises a mirror surface area (61) and a transparent area (62), and the light guide plate (2) is located below the transparent area (62). According to the automobile sun shield cosmetic mirror illuminating lamp structure, light emitted from the side of the LED light source irradiates the light guide plate, the light guide plate diffuses the light source, the light source is uniform, the brightness in all light-emitting areas is consistent, a lampshade is omitted, and attractiveness is better.

To enhance the efficiency of guiding red light to a user's eye, a near-eye display system employs a waveguide architecture that includes a separate waveguide for red light that is optimized through one or more of placement of the separate waveguide for red light within a waveguide stack, materials used for nanostructures or a substrate of the separate waveguide for red light, thickness of the separate waveguide for red light, and grating characteristics used for the separate waveguide for red light.

An anti-peep light source module and an anti-peep display device having an anti-peep function and good image quality are provided. The anti-peep light source module includes a light guide plate, a first light emitting element, a second light emitting element, a plurality of optical microstructures and a first surface. The light guide plate has a first light incident surface and a second light incident surface. Each of the optical microstructures has a first optical surface facing the first light incident surface and a second optical surface facing the second light incident surface. A magnitude of a first included angle between the first optical surface and the first surface and a magnitude of a second included angle between the second optical surface and the first surface gradually change as getting farther away from the first surface.

The invention provides an illumination system and projection equipment. The lighting system comprises a light source module, a wavelength conversion device, a first light guide assembly, a second light guide assembly and a micro-lens array module. The light source module is used for providing a plurality of green and blue laser beams. The wavelength conversion device is used for generating fluorescent light beams. The first light guiding assembly and the second light guiding assembly are used for guiding a fluorescent light beam and a green laser light beam respectively. The fluorescent light beams form fluorescent light spots on the first area of the first side face of the micro-lens array module. The plurality of green laser beams form a plurality of green light spots on a second area of the first side surface of the micro-lens array module. The first region is adjacent to the second region. The illumination system and the projection equipment provided by the invention avoid energy loss and have good light uniformity.

The invention relates to a receiving unit (10) for fixing a brand emblem (30) to an opening flap (51) of an airbag module cover (50) of a vehicle, with a support surface (12) for the brand emblem (30) and a fixing wing (14) that is pronounced on at least one side, wherein the fixing wing (14) extends in a fixed arrangement between the support surface (12) and a pivot axis (52) of the opening flap (51). The invention further relates to a brand emblem (30), in particular one that can be illuminated, with such a receiving unit (10) and a gasbag module for a vehicle, with a module cover (50) on which a brand emblem (30) according to the invention is arranged, as well as a steering handle for a vehicle on which such a gasbag module with the brand emblem (30) according to the invention is installed.

An optical detector for detecting a coolant leak from a liquid cooling system within an information handling system includes a light source and a sensor configured to absorb light emitted from objects illuminated by the light source. A first flexible waveguide is communicatively coupled to the light source, and a second flexible waveguide is communicatively coupled to the sensor. The optical detector is configured to detect a potential coolant leak in response to the sensor absorbing light having a predetermined characteristic. The light is reflected from an object illuminated by the first flexible waveguide. The reflected light is transmitted to the sensor via the second flexible waveguide.

The utility model discloses an optical module, a vehicle lamp and a vehicle. The optical module comprises a first light guide component and a second light guide component. The first light guide component is provided with a light incident surface and a light emergent surface, and is configured to adjust light rays incident from the light incident surface into parallel light rays and emit the parallel light rays to the light emergent surface; the second light guide part is arranged on the light emitting side of the first light guide part through the mounting part; the light-emitting surface comprises a light-emitting main surface and a diffusion sub-surface, and the diffusion sub-surface is arranged on at least part of the peripheral side of the light-emitting main surface; a reference plane lambda perpendicular to the parallel light rays is used as a projection plane, and the diffusion sub-plane is configured to diffuse the parallel light rays incident to the diffusion sub-plane, so that the area of an irradiation area, on the reference plane lambda, of the light rays emitted from the light emitting surface is larger than the orthographic projection area, on the reference plane lambda, of the light emitting surface. The light-emitting area of the second light guide part is increased through the diffusion effect of the diffusion sub-surface; and the overall lighting uniformity of the second light guide part is improved.

A door assembly is used for a refrigerator and a home appliance. The door assembly includes a door body, and a lighting panel coupled to a front surface of the door body. The lighting panel includes a panel frame with a coupling space, and a lighting device is installed to the panel frame. A light guide panel is arranged in the coupling space. A front panel is arranged on a front surface of the lighting panel in parallel to the light guide panel. A diffusion panel is arranged between the front panel and the light guide panel. Therefore, a user can change a color of a door surface by the lighting device without replacing a door panel, and the diffusion panel diffuses light once to make the light uniform.

Disclosed herein are light detection and ranging (LIDAR) systems and methods for manufacturing the same. The LIDAR systems may include microelectronics packages that may include a chassis, an insert, a photonic integrated circuit (PIC), and a lid. The chassis may define an opening. The insert is sized to be received in the opening. The insert is made of a thermally conductive material. The PIC is attached to the insert. The lid is connected to the chassis and defines a cavity that encases the PIC. Both the insert and the lid form thermally conductive pathways away from the PIC.

The utility model discloses a ceiling lamp groove structure, which comprises a lamp hiding groove in which a lamp is arranged, and is characterized by further comprising a light guide illumination structure, the end part of the light guide illumination structure is fixedly connected with the lamp, and the light guide illumination structure is connected with a keel in a lifting manner through a lifting rod. Electric sliding rails are mounted on the keels above the lifting rods, sliding blocks are arranged on the electric sliding rails, and the sliding blocks are connected with the tops of the corresponding lifting rods. A lamp is hidden through the lamp hiding groove, the light guide strip is used for refracting light to the lower portion for illumination, the irradiation area is effectively enlarged, glare is reduced, the ceiling structure does not need to be damaged, installation is convenient, maintenance and replacement are convenient, meanwhile, light guide of the light guide illumination structure can be changed at will, decoration is improved, electric drive deformation is achieved, and practicability is high.

A wearable device may include a head-mounted display (HMD) for rendering a three-dimensional (3D) virtual object which appears to be located in an ambient environment of a user of the display. The relative positions of the HMD and one or more eyes of the user may not be in desired positions to receive image information outputted by the HMD. For example, the HMD-to-eye vertical alignment may be different between the left and right eyes. The wearable device may determine if the HMD is level on the user's head and may then provide the user with a left-eye alignment marker and a right-eye alignment marker. Based on user feedback, the wearable device may determine if there is any left-right vertical misalignment and may take actions to reduce or minimize the effects of any misalignment.

The invention relates to the field of lamps, and discloses a light guide part, a lamp and a carrier, the light guide part comprises at least two light guide sections which are arranged in sequence, and every two adjacent light guide sections are connected through a connecting section; wherein each light guide section is provided with a light inlet part and a light outlet part, the light inlet parts are used for allowing light of the light-emitting assembly to enter the light guide sections, the light outlet parts are used for allowing the light of the light guide sections to be emitted, and the connecting sections are configured to limit at least part of the light to be transmitted between the two adjacent light guide sections. The light guide part is designed to be of the structure that the at least two light guide sections and the connecting sections are alternately connected, independent segmented control over all the light guide sections can be achieved, for example, the on-off states of different light guide sections are independently adjusted, or differentiated color output of all the light guide sections is achieved, the problem that a traditional light guide part is single in light emitting effect is effectively solved, and the light guide part is more convenient to use. And diversified and differentiated light emitting requirements are fully met. The connecting sections can effectively limit light transmission between the adjacent light guide sections, and the light crosstalk phenomenon is avoided.

To provide a luminaire capable of more efficiently illuminating an object range with uniform brightness.SOLUTION: A lighting fixture 10 includes a light source module 30 having a substrate 32 and a plurality of light sources 31 mounted on the substrate 32, and a light distribution control member 20 for controlling light distribution of illumination light emitted from the plurality of light sources 31. The light distribution control member 20 includes a light emission surface 22, and a plurality of incidence portions 21 provided to face each of the plurality of light sources 31 on a side opposite to the light emission surface 22. At least one of the plurality of incidence portions 21 includes a bottom portion 211 facing one light source 31 of the plurality of light sources 31, and a side wall 212 protruding from an edge of the bottom portion 211 toward the light source module 30. The side wall 212 has an incident surface 2121 on which the illumination light is incident, and a total reflection surface 2122 that totally internally reflects the light incident from the incident surface 2121. The total reflection surface 2122 is a curved surface that is convex toward the light exit surface 22.SELECTED DRAWING: Figure 3

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.