32results about "Light guides details" patented technology

A loudspeaker arrangement comprises a loudspeaker (110) including a diaphragm to transmit an audio output, at least one light source (130), and an acoustic lens (120) coupled to the loudspeaker (110) and defining a first opening to enable the first audio output to pass from the first opening at a first predetermined angle, wherein the acoustic lens (120) comprises at least one first light guide (122) extending through the first opening, each light source (130) of the at least one light source (130) is coupled to at least one of the at least one first light guide (122) such that light emitted by a light source (130) is internally reflected along the respective at least one first light guide (122), and each light guide (122) of the at least one first light guide (122) comprises a plurality of extraction elements arranged successively along a length of the light guide (122), each of the plurality of extraction elements configured to direct light emitted by a respective one of the at least one light source (130) and internally reflected along the respective at least one first light guide (122) in a direction away from the loudspeaker (110).

A speaker apparatus comprising: a speaker comprising a diaphragm for transmitting an audio output; at least one light source; and an acoustic lens coupled to the speaker and defining a first opening to enable the first audio output to be transmitted from the first opening at a first predetermined angle, wherein the acoustic lens comprises at least one first light guide extending through the first opening, each of the at least one light source is coupled to at least one of the at least one first light guide such that light emitted by the light source is internally reflected along the respective at least one first light guide, and each of the at least one first light guide comprises a plurality of extraction elements arranged continuously along a length of the light guide, each of the plurality of extraction elements is configured to direct light emitted by a respective one of the at least one light source and internally reflected along the respective at least one first light guide towards a direction away from the speaker.

The present application provides a shell structure with a light emitting design, comprising a shell, a light-transmitting adhesive layer and a light emitting module. The shell has an appearance surface, an inner surface opposite to the appearance surface and a light-transmitting groove penetrating through the appearance surface and the inner surface. The light-transmitting adhesive layer is filled in the light-transmitting groove. The light emitting module is arranged on the inner surface and covers the light-transmitting groove or is located on one side of the light-transmitting groove to transmit light to the light-transmitting adhesive layer.

A fill light and an electronic device are provided. The fill light includes a first reflector, a second reflector, a light-transmitting ring, and a light-emitting light source. The first reflector and the light-transmitting ring are located on a same side of the second reflector, and the light-transmitting ring surrounds the first reflector. The first reflector has a first reflection surface, the second reflector has a second reflection surface, and the first reflection surface is disposed opposite to the second reflection surface. A light-emitting side of the light-emitting light source faces the first reflection surface, and light emitted by the light-emitting light source is emitted from the light-transmitting ring after being reflected by the first reflection surface and the second reflection surface. The first reflection surface, the second reflection surface, and the light-transmitting ring are all rotationally symmetrical about a central optical axis of the light-emitting light source.

Provided is an electronic apparatus including a light source, a light emitting section that emits light from the light source to outside of the electronic apparatus, and a light guiding member including a light guiding section and a light shielding section formed by two-color molding. The light guiding section has a light receiving section that receives the light from the light source, a light output section that outputs the light toward the light emitting section, and a light transmitting section extending from the light receiving section toward the light output section, the light shielding section has a first opening, an inner peripheral edge of the first opening is in contact with a first section that is one of the light receiving section and the light output section, and the light transmitting section has an exterior surface.

Provided is a downlight including a back cover, a face ring, and a flexible light strip. The back cover includes a bottom surface and a first annular sidewall connected to the periphery of the bottom surface, the back cover is made of metal. The face ring includes an axially extending second annular sidewall, the first annular sidewall surrounds an outer side of the second annular sidewall and contacts an outer wall surface of the second annular sidewall, the face ring is made of plastic. The flexible light strip is fixed to an inner wall surface of the second annular sidewall. The composite structure of the metal back cover enclosing the plastic face ring fully leverages the high thermal conductivity of metal while utilizing plastic to reduce overall costs, achieving synergistic optimization of thermal performance and manufacturing costs.

The application relates to speaker configured to emit sound in a main sound emission direction, the speaker comprising a movable diaphragm; a drive unit comprising a magnet generating a magnetic field, a first pole piece comprising a through hole arranged to contact the magnet on a first surface of the magnet, a second pole piece arranged to contact the magnet on a second surface of the magnet opposite the first surface, wherein the first and second pole pieces are configured to generate a magnetic field in an air gap between the first and second pole piece where the diaphragm is located. The speaker includes a light source configured to emit light and a light guide configured to guide the light emitted by the light source through the through hole in direction of the main sound emission direction to the movable diaphragm.

The application provides an ambient light. The ambient light comprises a light guide strip and a plurality of lamp beads. The light guide strip has one side as a light-in side and the other side as a light-out side in a first direction. The light guide strip has one side as a first back light side and the other side as a second back light side in a second direction. The second direction is perpendicular to the first direction. The light-in side has a first refractive surface, which is located on the side of the light-in side close to the first back light side. The first refractive surface is inclined from the side close to the second back light side to the side close to the first back light side in the direction from the light-in side to the light-out side. The plurality of lamp beads are located on the light-in side of the light guide strip and close to the first back light side of the light guide strip. The light emitted by the lamp beads enters the light guide strip from the light-in side of the light guide strip and exits the light guide strip from the light-out side of the light guide strip. The light guide strip can disperse the light emitted by the lamp beads through the first refractive surface, so that the color difference between different positions of the ambient light can be reduced.

To disclose a lighting system, and a designing method and structure thereof.SOLUTION: A lighting system obtained by forming both a front light module and a back light module provides selectable and programmable lighting according to the requirements of the invention for optimal performance of highlighting defects on a multidimensional object. Light guides are suitably aligned to the back light module and mechanically integrated with spring loaded mechanisms to enable them to move freely and re-position them to a reference home position as determined at the time of setup of the lighting assembly. The front light module is utilized to highlight surface defects and mechanically integrated to the lighting system. The lighting modules may include multiple discrete light emitting components having various spatial intensity distributions and color spectra mounted in specific layout such that the application oriented combined lighting effect is created.SELECTED DRAWING: Figure 1

A loudspeaker arrangement comprises a loudspeaker including a diaphragm to transmit an audio output, at least one light source, and an acoustic lens coupled to the loudspeaker and defining a first opening to enable the first audio output to pass from the first opening at a first predetermined angle, wherein the acoustic lens comprises at least one first light guide extending through the first opening, each light source of the at least one light source is coupled to at least one of the at least one first light guide such that light emitted by a light source is internally reflected along the respective at least one first light guide.

A system of luminaires for illuminating a building surface, including a first luminaire having a housing and a collimating optics fixed on the housing in a mounting position, wherein the collimating optics is associated with a set position for a light source, and having a printed circuit board with an LED is arranged in the set position. The LED emits light and radiates the light into the collimating optics. A second luminaire has a structurally identical housing and a structurally identical collimating optics fixed on the housing in the same mounting position, wherein the collimating optics is associated with the same set position, and has a printed circuit board and a light guide fixed relative to the printed circuit board. At least two LEDs are arranged on the printed circuit board and radiate light into the light guide. The light guide supplies the light from the two LEDs in a mixed form to a light emission surface of the light guide. The light emission surface is arranged at the set position, and the light guide radiates the mixed light from the light emission surface into the collimating optics.

Lighting device (1) comprising: a support structure (2) extending along a longitudinal direction (X); a first (10) and a second projecting wall (20) extending transversely from such support structure (2) and being mutually opposed; an LED lighting module positioned in the support structure (2); a first detection unit (31) placed at the first projecting wall (10); a second detection unit (32) placed at the second projecting wall (20). The detection units (31, 32) are oriented opposite each other and define a detection zone (J) between said projecting walls (10, 20) to detect an object (40) interposed between said projecting walls. The first detection unit (31) provides first input data to a main control unit and the second detection unit (32) provides second input data to the main control unit, so that said main control unit, based on said input data, provides command data to the LED lighting module. The first input data represent a distance between the object (40) and the first detection unit (31) and the second input data represent a distance between the object (40) and the second detection unit (32).

The present application relates to the technical field of turn signal structure, and particularly relates to a turn signal structure and a motorcycle. The turn signal structure comprises a lamp shell assembly, a thick-wall light guide assembly, a light guide strip assembly and at least one light source assembly; two ends of the lamp shell assembly are mounted on the motorcycle, and a flow chamber is formed between the lamp shell assembly and the motorcycle; the thick-wall light guide assembly is nested in the lamp shell assembly; the light guide strip assembly is located in the lamp shell assembly, and at least part of the light guide strip assembly is nested in the thick-wall light guide assembly; and the at least one light source assembly is mounted in the lamp shell assembly. Through cooperation of the thick-wall light guide assembly and the light guide strip assembly, the number of light source assemblies can be reduced, the structure is simple, the overall light emitting uniformity of the turn signal structure can be improved, the effect of large-area uniform light emission is achieved, and the visual effect is better; the nested assembly mode of the lamp shell assembly, the thick-wall light guide assembly and the light guide strip assembly in the same direction makes the structure more compact, saves space, and is more convenient to assemble, saving time and effort.

The invention relates to a medical illumination device and a system for fluorescence image guided surgery. The medical illumination device (4) comprises a device body (6) and a light guiding optics (5). The light guiding optics (5) comprises optical fibers (10) and a first ring mirror (8) surrounding the device body (6). A section (14) of each optical fiber (10) passes through the first ring mirror (8) while being directed towards a distal end (68). After passing through the first ring mirror (8), a light guiding element redirects excitation light (20) and / or white light (20a) back to the first ring mirror (8). The first ring mirror reflects the emitted excitation light (20) and / or white light (20a) towards an area (50) to be illuminated by the excitation light (20) and / or white light (20a).

This invention discloses a swimming pool lighting device including a waterproof housing with an upper cover plate configured to transmit light. At least one programmable LED strip is disposed on one or more interior surfaces of the housing, and a light guide plate within the housing receives and diffuses light from the LED strip(s) to provide soft, glare-free illumination; when two or more LED strips are present, the LED strips can change color synchronously to create an animated wave-like effect on the light guide plate. An optional rechargeable battery supports off-grid operation and retrofit flexibility. By employing optical diffusion elements and achieving at least an IP68 ingress protection rating, the device delivers energy-efficient, comfortable underwater lighting, reduces pixelation, and improves durability, thereby enhancing safety and visual aesthetics in aquatic environments.

This provides a cost-effective method for using light guides in different magnetic assemblies of speakers with illuminated diaphragms. [Solution] The audio speaker 100 comprises a diaphragm 150 and a drive unit 105. The drive unit 105 comprises a magnet 110 and a first pole piece 120 and a second pole piece 130 having a through hole 125, the first pole piece 120 and the second pole piece 130 generating a magnetic field in the air gap 161 between the first pole piece 120 and the second pole piece 130 on which the diaphragm 150 is positioned. The audio speaker 100 further includes a light source 185 configured to emit light and a light guide 200 that guides the light emitted by the light source 185 through the through hole 125 to the diaphragm 150 in the direction of the main sound emission direction.

An angle at which an intensity becomes maximum in a light distribution of light emitted from a center of a light emitting surface of a surface illumination device is in a range of −90° or more to less than 0° in a plane including a vertical axis and perpendicular to the light emitting surface, in a case where an axis passing through the center of the light emitting surface and perpendicular to the floor surface is defined as the vertical axis, and in the plane, a direction extending from the center of the light emitting surface toward the floor surface is defined as −90°, a direction extending from the center of the light emitting surface toward a side opposite to the floor surface is defined as +90°, and a direction orthogonal to the light emitting surface is defined as vertical 0°.

The application is directed to a device housing. The device housing includes a first light device, the first light device including a first electrical supply configured to provide an electrical signal to a first light emitting diode (LED), the first LED separated from a first surface of a diffuser film by a space, wherein the diffuser film includes a second surface, opposite the first surface, the second surface configured to contact a first light pipe.

The present disclosure relates to a system (10, 10') comprising a light assembly for an illumination of a vehicle design element, comprising: one or more light pipes (1, 1', 1a, 1b), wherein each light pipe (1, 1', 1a, 1b) comprises a core (11'); one or more light sources (2, 2a, 2b, 2c, 2'), disposed at least partially within an interior of the system, wherein each light source (2, 2a, 2b, 2c, 2') is configured to emit light (20') based on at least receiving electrical power from an electrical power source, and each light source (2, 2a, 2b, 2c, 2') is arranged adjacent to and directed towards at least one of the one or more light pipes (1, 1', 1a, 1b) such that the emitted light (20') results in reflected light (21') propagating within the core (11') and diffuse light (22') exiting the one or more light pipes (1, 1', 1a, 1b) along the same; and a lens (5') substantially enclosing the interior, the one or more light pipes (1, 1', 1a, 1b) and the one or more light sources (2, 2a, 2b, 2c, 2'), wherein the lens (5'), having an inner surface and an outer surface disposed opposite the inner surface, is provided with a continuous transparent and / or translucent coating on the outer surface, with the one or more light sources (2, 2a, 2b, 2c, 2') receiving electrical power from the electrical power source, the continuous transparent and / or translucent coating is at least partially permeable to at least some of the diffuse light (22') which is passed through the lens (5'), and the continuous transparent and / or translucent coating comprises a metal, an alloy or a conductive metalloid. The one or more light pipes (1, 1', 1a, 1b) comprise two or more light pipes (1, 1', 1a, 1b), wherein the two or more light pipes (1, 1',1a, 1b) at least partially overlap, providing at least one region of overlap to substantially close a loop, to provide a homogenous illumination of at least one 360° illumination window (41') when the one or more light sources (2, 2a, 2b, 2c, 2') receive electrical power from the electrical power source.

An electronic device such as a voice-controlled speaker device may have a housing. A speaker and other input-output components and control circuitry may be mounted within the housing. Light-emitting components may emit light that passes through a curved upper top cap portion or other housing structure. The light-emitting components may be interconnected using a flex circuit on a curved substrate or may be mounted on a planar circuit board. A subset of the light-emitting components may be rotated to improve color balance. Optical structures such as light guides, lens, microlenses, and / or a diffuser layer may be disposed over the light-emitting components to promote light mixing, to reduce hotspots, and to improve contrast on the top cap. The diffuser layer may be suspended using a support structure having baffle members to constraint the angular spread of the emitted light. Illuminated or persistently visible glyphs may be displayed in or near the top cap portion.

The invention discloses an optical structure and method for shortening the RGB light mixing distance. The optical structure comprises a PCB; a plurality of RGB light sources which are arranged on oneside of the PCB at intervals; a light guide plate which is arranged on one side of the PCB; a light guide plate which includes a plurality of light sources which are distributed at intervals and correspond to the plurality of RGB light sources respectively, wherein each light guide strip is in a long strip shape, the end face, opposite to the RGB light source, of each light guide strip forms a light inlet face, the side face of each light guide strip forms a side reflection face, and light emitted by each RGB light source passes through the corresponding light inlet face and then is reflectedby the side reflection face multiple times to reduce the reflection angle of the light; and a light mixing part, wherein one end of the light mixing part is connected with the other ends of the plurality of light guide strips, and the light mixed by the plurality of light guide strips enters the light mixing part for secondary light mixing. According to the optical structure capable of shorteningthe RGB light mixing distance, light entering the light incoming surface is reflected multiple times through the light guide plate and then mixed, the RGB light mixing distance can be shortened, and the optical structure has the advantages of being simple in structure, convenient to use and the like.

A light guide member (100A) for a light emission device has: a first main surface; and a second main surface on the opposite side to the first main surface. The light guide member (100A) for a light emission device has: a light guide layer (10) having a light reception part (10a) that receives light emitted from a light source (LS), a third main surface (10b) on the first main surface side, and a fourth main surface (10c) on the second main surface side; and a light distribution control structure which has a plurality of internal spaces (IS) and in which the plurality of internal spaces (IS) each have formed therein an interface for directing, by total internal reflection, a portion of light propagating in the light guide layer (10) toward the first main surface side. In a plan view from a normal direction with respect to the first main surface, first regions (R1) in which the light distribution control structure is present and second regions (R2) in which the light distribution control structure is not present are disposed so as to define a predetermined drawing pattern.

This invention discloses a double-sided light guide plate and its processing method, as well as a backlight module, relating to the field of light guide plate processing technology. The double-sided light guide plate includes a light guide plate body, which includes a first surface and a second surface disposed opposite to each other. The light guide plate body also includes a light-incoming surface and a light-guiding side surface disposed between the first surface and the second surface. Both the first surface and the second surface include a positioning surface and a light-guiding surface disposed sequentially away from the light-incoming surface. Positioning grooves are formed on both the first positioning surface and the second positioning surface. The positioning grooves extend along a first direction parallel to the light-incoming surface, and at least part of the positioning grooves are arc grooves with intersecting engraved lines. A reflective coating is provided on the light-guiding side surface between the first light-guiding surface and the second light-guiding surface. By adopting a partitioned arrangement of the positioning surface and the light-guiding surface, light with a large scattering angle is refracted outward in the positioning surface. Combined with the reflective coating, the technical effects of light spot suppression and improved uniformity are achieved.

This invention provides an indoor unit light-emitting device and an air conditioner, relating to the field of air conditioner technology, and is designed to solve the problem of excessive wasted light source power. The indoor unit light-emitting device includes a light source and a light guide. The light source is located at one end of the light guide. The light guide includes an incident area, a light-guiding area, and a light-emitting area arranged sequentially along the light path. Two opposing surfaces of the light-guiding area are both reflective surfaces, and at least one of the two surfaces is a first surface. The angle between the upper part of the first surface and the horizontal plane is greater than the angle between the lower part and the horizontal plane. The indoor unit light-emitting device provided by this invention can improve the utilization rate of the light source power.

The present application relates to the technical field of optical devices, and discloses a fill light and an electronic device. The fill light comprises a light guide member and a light-emitting source. The light guide member has a first reflective surface, a second reflective surface, an annular light-emitting surface, and a light-incident surface. The light-incident surface and the annular light-emitting surface are located on two opposite sides of the light guide member. The light-emitting source is arranged opposite to the light-incident surface. The first reflective surface and the annular light-emitting surface are located on the same side of the light guide member. The light-incident surface is arranged opposite to the first reflective surface. The second reflective surface is arranged around the light-incident surface. The annular light-emitting surface is provided with a radial texture structure. The radial texture structure comprises a plurality of strip-shaped protrusions. The plurality of strip-shaped protrusions are arranged at intervals in the circumferential direction of the annular light-emitting surface. Each strip-shaped protrusion extends in the radial direction of the annular light-emitting surface. Light emitted by the light-emitting source is reflected by the first reflective surface and the second reflective surface and then exits from the annular light-emitting surface.

The application discloses a kind of intelligent same screen control embedded ultra-thin anti-glare down lamp, including external constant voltage source / dual constant voltage design output / constant current constant voltage source)+ light source shell, the inside of the shell is provided with anti-glare mechanism (lamp body surface step anti-glare design), the inside of this anti-glare mechanism includes: light source assembly, FPC is pasted to the inner wall position of shell, the light source assembly is composed of two color temperature ranges 2835 SMD LED (2700-6500K) + three-in-one 3528 size RGB, the inner wall of the shell is complete with FPC light source assembly, by light guide+translucent technology, when equipment is connected power supply, realize light uniform emission;By the design of the application, the existing LED lamp bead is creatively changed from the middle position to the peripheral design of down lamp, the application of side light emission+light guide technology, combined with the design of the front anti-glare profile of lamp body, avoid bright light straight shooting causes human eye cannot adapt to the light feeling, may cause disgust, uncomfortable, cause the phenomenon of glare.

A light emitting fan device including a main fan frame, fan assembly, first light guide ring, second light guide ring, light emitting assembly, and securing fan frame ring is provided. The main fan frame includes an inner annular side plate encompassing the fan assembly, and an outer annular side plate. The inner and the outer annular side plates define a mounting space therebetween. The light emitting assembly is disposed on the second light guide ring. The first light guide ring, second light guide ring, and securing fan frame ring are arranged at least partly in the mounting space. A second exterior light circumferential edge, second exterior side light surface, and elongated extended side light surface of the second light guide ring, and a first exterior light circumferential edge and first exterior side light surface of the first light guide ring are illuminated by the plurality of light sources.