785results about "Light guides details" patented technology

A light source module includes a light guide plate, a first light source, multiple first optical microstructures, and multiple second optical microstructures. The first light source is disposed on a side of a first light incident surface of the light guide plate. The first and second optical microstructures are disposed on a bottom surface of the light guide plate, and respectively located in a first and a second zone. A first light receiving surface of each first optical microstructure facing the first light source has a first edge connecting the bottom surface, and a perpendicular bisector of the first edge passes through the first light source. The first zone does not overlap the second zone. A second light receiving surface of each second optical microstructure has a second edge connecting the bottom surface, and a perpendicular bisector of the second edge does not pass through the first light source.

A lighting device having a support supporting first light emitting diodes and second light emitting diodes each having a light emitting surface, wherein the light emitting surface of each first light emitting diode has a first area and the light emitting surface of each second light emitting diode has a second area, the second area being strictly lower than the first area.

The invention relates to the technical field of lighting lamps, in particular to a rhythm sky lamp. The rhythm sky lamp comprises a shell body, a blue sky module, a lighting module and a control module. A first cavity and a second cavity which are independent from each other are formed in the shell body, and the blue sky module is arranged in the first cavity; the blue sky module comprises a mixed light source and a scattering light guide plate, the mixed light source faces the side face of the scattering light guide plate, the light-emitting face of the scattering light guide plate faces the first cavity, and the mixed light source is suitable for irradiating light of different colors to the scattering light guide plate. The lighting module is rotationally arranged in the second cavity, and the light path of the lighting module deviates from the first cavity. The control module is connected with the blue sky module and the illumination module. By adopting the method, the sky effects of multiple time periods can be presented according to the rhythm time efficiency, and the diversity and authenticity of the sky effect simulated by the rhythm sky lamp are improved.

A luminous frame assembly includes a support frame and a pod light device detachably mounted on the support frame. The pod light device includes a housing, light guide bars, and an electronic assembly. The light guide bars are connected to the housing at intervals along a radial direction, with one end of each of the light guide bars, away from the housing, protruding upward and / or downward from the housing. The electronic assembly includes a main board and light-emitting components, with the light-emitting components connected to the light guide bars. When the light-emitting components emit light, a unique visual effect is produced, and top and / or bottom of the support frame are illuminated for providing a clear target to facilitate nighttime play or sports, thereby improving user experience and practicality.

An illuminated indicator for a doorbell can be arranged to receive light along an optical axis (e.g., that is perpendicular to a front face of the doorbell housing) and emit the light from an output portion that defines a closed loop (e.g., that extends around the optical axis) and in a direction that is parallel to the optical axis. The illuminated indicator can include a light pipe that receives light along the optical axis and reflects the light to follow a radially outward and divergent path, e.g., that is perpendicular to the optical axis. The radially outward and divergent light can be reflected to follow a path that is parallel to the optical axis for emission at an output portion of the light pipe. The light pipe can be configured to transmit a doorbell switch activation force to other parts of the doorbell to cause actuation of the switch.

The invention belongs to the technical field of agricultural light supplement, and particularly relates to an agricultural light supplement lamp system and method based on optical fiber transmission and fluorescence conversion. Efficient light distribution from a single light source to multiple application terminals is achieved, and the proportion of blue light to red light can be flexibly adjusted according to the photosynthesis requirements of crops. In addition, the optical shaping system arranged behind the application tail end ensures that the light can be accurately irradiated on the target crop, so that the light utilization rate and the energy conversion efficiency are greatly improved. Through the technical innovation, the wiring design is simplified, the complexity and the cost of the system are reduced, and the effectiveness of photosynthesis and the growth quality of crops are remarkably improved.

A vehicle pane with a light guide layer on the pane inner face and a lighting device which introduces light of a light source into the light guide layer by means of a light-coupling device. The light-coupling device has at least one light-coupling element that has a base surface and is optically connected to a light guide layer inner face, which faces the vehicle interior, via the base surface. The light-coupling element may have a light-coupling region which lies opposite the base surface and on which the light source has at least one LED is positioned, said light source emitting light into the light-coupling element via the light-coupling region.

A method of making a thin waveguide illumination system using side-emitting LED packages is disclosed. The method includes providing an optically transmissive sheet with first and second broad-area surfaces, a light coupling area near the first edge, and a two-dimensional light extraction area on at least one of these surfaces. This light extraction area includes a plurality of light extraction elements with variable density. An LED strip having a heat-conducting printed circuit and a linear array of side-emitting LED packages is positioned parallel to the first edge at or near the first edge, with the major surface of the heat-conducting printed circuit extending generally parallel to the first and second broad-area surfaces. A broad-area reflector is positioned parallel to the second broad-area surface of the sheet. The density of the light extraction elements within the two-dimensional light extraction area increases with distance from the light coupling area.

A luminous frame assembly includes a support frame and a pod light device. The pod light device includes a housing, light guide bars, and an electronic assembly. The light guide bars are connected to the housing at intervals along a radial direction, with each light guide bar having at least one curved portion, and one end of each light guide bar protruding downward from the housing. The electronic assembly includes a main board and light-emitting components, with some of the light-emitting components facing a top of the housing and others being connected to the light guide bars. When the light-emitting components emit light, a unique visual effect is produced, and the chains and the entire receiving basket are illuminated for providing a clear target to facilitate nighttime play or sports, thereby improving user experience and practicality.

A power tool includes a housing, an electric motor disposed within the housing, a first printed circuit board assembly configured to selectively supply electric current to the electric motor, causing the electric motor to activate and drive a tool element, and a battery receptacle configured to support a removable battery pack. The battery receptacle has a battery terminal block electrically connected to the battery pack to supply electrical current to the first printed circuit board assembly. The power tool further includes a second printed circuit board assembly electrically connected between the first printed circuit board assembly and the battery terminal block. The second printed circuit board assembly has a fuse and a thermistor configured to detect a temperature of the fuse.

An electronic necklace comprising a projector medallion and associated methods of formation are described, and more particularly to an electronic necklace with one power source for powering a projector medallion and necklace bulbs and its associated methods of formation. In one embodiment, an apparatus may include a wire serving as a necklace strand with a projector medallion formed of a translucent material including a backside, a front side, an underside, and / or an interior. The necklace may include a power source in the form of a battery. The necklace may include a projector light and / or a medallion light within the interior of the projector medallion. The necklace may include a control chip within the interior of the projector medallion that may distribute power from the battery to the wire, the projector light, and / or the medallion light.

Lighting device for a motor vehicle, comprising at least one light source, a planar light guide (11), at least one optical component and a cover plate (15), characterized in that the lighting device is designed to be installed in the motor vehicle such that the normal (16) on the cover plate (15) encloses an angle (α) not equal to 0° with the vehicle longitudinal direction (17), and wherein the light guide (11) is arranged in the lighting device such that the at least one exit surface (13, 14) of the light guide (11) encloses an angle (β) not equal to 0° with the cover plate (15) at least in sections, so that when installed in the motor vehicle, the normal (19) on at least sections of the at least one exit surface (13, 14) of the light guide (11) encloses a smaller angle (γ) with the vehicle longitudinal direction (17) than the normal (16) on the Cover plate (15).

The invention relates to the field of lamp structures, in particular to a panel lamp with lamp beads convenient to replace, which comprises a base, the lamp beads which are detachably connected to the base and can be electrified to emit light, and a lampshade which is detachably connected to the base and allows light to penetrate through, the lampshade comprises a frame with the outer side edge rotationally connected to the base and a light guide plate detachably connected to the periphery of the inner side of the frame, the frame is slidably connected with a movable rod capable of being inserted into the base, the position, capable of being inserted into the base, of the movable rod is fixedly connected with a lock rod, and the lock rod can be inserted into the base in the moving direction of the movable rod. And a lock spring for forcing the lock rod to be tightly inserted into the base is arranged in the frame, so that no gap exists on the lampshade, and the influence on the light emitting uniformity of the lampshade is reduced.

The present invention proposes an ultra-narrow lens high and low beam module, comprising: a low beam module, a high beam module and a circuit board. The high beam module is arranged below or above the low beam module. A low beam light source emits low beam light, which is formed by a low beam primary optical structure and emits a low beam light pattern with a cutoff line. The low beam light pattern with a cutoff line passes through a low beam secondary optical structure to a low beam tertiary optical structure to form a low beam light pattern. A high beam light source emits high beam light, which is formed into a collimated light by the high beam primary optical structure and passes through the high beam secondary optical structure to form a high beam light pattern. The present invention solves the problem of traditional high and low beam modules occupying too much space inside the headlamp. While achieving the high and low beam functions, it greatly shortens the distance in the X direction and saves space inside the headlamp. The optical structure and optical path principle of the present invention are simple, providing a feasible method for the design of ultra-narrow lens high and low beam modules.

The invention discloses a light guide device, a lighting and / or signal indicating device and a motor vehicle. The light guide device comprises a light guide body (10) and a light mixing part (20) located at the end of the light guide body (10), the light mixing part (20) comprises a light incident surface (210), and the light incident surface (210) is configured to receive incident light; a first reflective surface (310) configured to receive and reflect light from the light incident surface (210); and a second reflective surface (320) configured to receive the light from the first reflective surface (310) and to reflect the light toward an interior of the light guide body (10).

The refrigerator according to the present invention can maintain the illuminance uniformly to the maximum extent throughout the entire region in the storage chamber without being greatly affected by the type and location of the storage objects therein, because the lighting assembly can be disposed in a form of a surface lighting device having an area corresponding to the inner rear surface of the storage chamber.

A microphone includes a shell assembly, a sound pickup assembly, a control assembly and a light-emitting assembly. The shell assembly includes a shell body with a first accommodating chamber. The sound pickup assembly includes a microphone head for sound pickup, wherein the microphone head is arranged on the shell assembly. The control assembly includes a first circuit board. The first circuit board is arranged in the first accommodating chamber, and is electrically connected to the microphone head. The light-emitting assembly includes a light-emitting unit. The light-emitting unit is arranged in the first accommodating chamber and is electrically connected to the first circuit board. The light-emitting unit is configured to allow emitted light to pass through a portion of the shell body.

A rotating-mirror plant grow light, comprising: a light source (10), a drive motor (20), and a multi-beam rotating mirror (32). The light source (10) is disposed near a plurality of focal points of the multi-beam rotating mirror (32), and the drive motor (20) is connected to the multi-beam rotating mirror (32). During operation, the drive motor (20) drives the multi-beam rotating mirror (32) to rotate, and light emitted by the light source (10) is reflected and / or refracted by the multi-beam rotating mirror (32) to form a plurality of rotating light beams, so that scanning illumination is performed on an illuminated object. The illuminated object is a light guide device or a photoautotrophic organism. The rotating-mirror plant grow light converts a continuously emitting light source into a scanning light source, and provides pulsed illumination for plant supplemental lighting, thereby improving the light energy utilization rate of plant photosynthesis and reducing energy consumption costs of supplemental lighting.

A light source apparatus according to an aspect of the present disclosure includes a light emitter that outputs light, a light guiding member that guides the light outputted from the light emitter, and a support member that supports the light guiding member. The light guiding member has a first surface and a second surface that intersect with the longitudinal direction of the light guiding member and are located on sides opposite from each other, and a third surface that intersects with the first and second surfaces, and causes light to exit via the first surface. The support member has a support surface that faces the third surface of the light guiding member. The support surface has a contact section that is in contact with the third surface and a noncontact section that is not in contact with the third surface. The third surface is a planar surface, and the contact section is a planar surface.

A method of making a thin waveguide illumination system using side-emitting LED packages is disclosed. The method includes providing an optically transmissive sheet with first and second broad-area surfaces, a light coupling area near the first edge, and a two-dimensional light extraction area on at least one of these surfaces. This light extraction area includes a plurality of light extraction elements with variable density. An LED strip having a heat-conducting printed circuit and a linear array of side-emitting LED packages is positioned parallel to the first edge at or near the first edge, with the major surface of the heat-conducting printed circuit extending generally parallel to the first and second broad-area surfaces. A broad-area reflector is positioned parallel to the second broad-area surface of the sheet. The density of the light extraction elements within the two-dimensional light extraction area increases with distance from the light coupling area.

The invention relates to the technical field of automobile lighting, in particular to an automobile light source module and an automobile, the automobile light source module comprises a plurality of integrated assemblies, and the integrated laser light source assembly comprises a plurality of laser light sources; the integrated control assembly is used for controlling each laser light source according to the control information so as to adjust the output laser of the integrated laser light source assembly; the optical fiber assembly is connected to the integrated laser light source assembly, the input end of the optical fiber assembly is used for receiving the output laser, the output end of the optical fiber assembly is used for outputting the output laser, and the integrated power supply assembly is used for providing electric energy for the automobile light source module. According to the embodiment of the invention, the integrated laser light source assembly, the integrated control assembly, the optical fiber assembly and the integrated power supply assembly are integrated in the same module, so that miniaturization, light weight and intelligence of a vehicle lamp system can be realized, the attractiveness and energy efficiency of a vehicle are improved, and meanwhile, the complexity and maintenance cost of the system are reduced.

A light-emitting diode light string with an optical fiber includes a first wire, a second wire, a light-emitting diode, and an optical fiber. The light-emitting diode is connected in parallel between the first wire and the second wire, which has a light-emitting surface, and when activated, generates a light at the light-emitting surface to have a first brightness. The optical fiber has a light entering end, a side light exiting portion, and a light exiting end. The light entering end is connected to the light-emitting surface, and the light entering end, the light exiting end, and the light-emitting surface are substantially aligned with a plumb line. The light has a second brightness at the light exiting end, the light has a third brightness at the side light exiting portion, the first brightness is substantially equal to the second brightness, and the second brightness is greater than the third brightness.

An electronic device such as a wrist band may include a strip of fabric that wraps around a longitudinal axis. A one-dimensional array of light sources may be embedded in the strip of fabric and may emit light parallel to the longitudinal axis to produce edge illumination along an edge of the strip of fabric. Optical structures such as light-diffusing strands, light-diffusing polymer structures, and / or light guides may be located between the light sources and the edge of the strip of fabric to help diffuse light and / or guide light to the edge of the strip of fabric. Light-reflecting layers may be formed on inner surfaces of the fabric. Control circuitry may control the light sources to produce the edge illumination in response to an event occurring on an external electronic device such as a notification on an external display.

The invention relates to an air floatation light source capable of isolating vibration and film detection equipment, and the air floatation light source comprises a shell which is of a hollow structure and is internally provided with an air floatation cavity; the ventilation block is embedded in the upper part of the shell, a plurality of air floatation holes are uniformly distributed in the upper surface of the ventilation block, and an air channel communicated with each air floatation hole from the air floatation cavity is formed in the ventilation block; the light guide glass is of a vertical thin plate structure, is embedded in the ventilation block and penetrates through the thickness direction of the ventilation block; the line light source is tightly attached to the lower portion of the light guide glass, and the length direction of the line light source is in the length direction of the light guide glass. The air floating light source not only can provide backlight, but also can provide airflow enabling the thin film to float, and vibration is prevented from being transmitted to the thin film. The film detection equipment comprises an unwinding mechanism, a front reversing roller set, an air floating light source, a rear reversing roller set and a winding mechanism which are sequentially arranged, and a visual mechanism is arranged above the air floating light source. According to the thin film detection equipment, under the condition that the conveying speed of the thin film is high, the high detection precision can still be kept.

The present disclosure provides a surface assembly, an interior part and an interior system. And the surface assembly includes a skin, and an outer surface of the skin being used as the outer surface of the surface assembly, and as a visible surface to the user provided by the surface assembly, and the skin further includes an inner surface opposite to the outer surface; and a light guiding stitch, the light guiding stitch being connected with the skin by a sewing configuration, and the sewing configuration includes a first part located on the outer surface, a second part penetrating thickness of the skin; and a third part located in the inner surface; and the light guiding stitch provides a light path that a light beam enters the light guiding stitch at one end in length direction of the light guiding stitch, and emits through at least one first part.

A luminous frame assembly includes a support frame and a pod light device detachably mounted on the support frame. The pod light device includes a housing, light guide bars, and an electronic assembly. The light guide bars are connected to the housing at intervals along a radial direction, with one end of each of the light guide bars, away from the housing, protruding upward and / or downward from the housing. The electronic assembly includes a main board and light-emitting components, with the light-emitting components connected to the light guide bars. When the light-emitting components emit light, a unique visual effect is produced, and top and / or bottom of the support frame are illuminated for providing a clear target to facilitate nighttime play or sports, thereby improving user experience and practicality.

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.

The invention relates to a transparent disk (1), wherein the disk (1) is a disk body (1a) that is transparent to light and is bounded by a first surface (2) - referred to as the outer surface (2) - and a second surface (3) opposite the first surface (2) - referred to as the inner surface (3), wherein at least one holding device (10) for holding at least one optical fiber (50) on the disk body (1a) is arranged on the disk body (1a).The holding device (10) is attached to the inner surface (3) of the disk body (1a) and the holding device (10) has at least one recess (11) which extends over a length (L) along the inner surface (3) and substantially parallel to the inner surface (3), wherein the at least one recess (11) is open in a region (12) facing away from the disk body (1a) so that at least one optical fiber (50) can be inserted into the at least one recess (11) from a side facing away from the inner surface (3) of the disk body (1a), and wherein furthermore holding means (20) are provided with which the at least one optical fiber (50) arranged in the at least one recess (11) can be held.

The invention provides an induction heating cooker which improves visibility of light displayed on a top plate. This induction heating cooker is provided with: a top plate; and a light-emitting device disposed below the top plate, the light-emitting device including: a substrate; a light-emitting element mounted on the substrate; and a light guide plate having a longitudinal direction in a direction along the top plate and guiding light emitted from the light emitting element, the light guide plate having a first end in the longitudinal direction and a second end on the opposite side from the first end, the size of the light guide plate in the height direction becomes smaller from the first end toward the second end, and the light guide plate guides the light incident into the light guide plate from the first end to the top plate.

A lighting assembly includes a light guide; and a plurality of light sources configured to emit light into an edge of the light guide, wherein the light guide includes a plurality of air gaps arranged such that each air gap of the plurality of air gaps (i) is parallel with another air gap, (ii) is between adjacent light sources of the plurality of light sources, and (iii) extends in a direction in which light from the plurality of light sources is propagating in the light guide.