231results about "Fibre light guides" patented technology

A connector assembly includes a shielding cage, a light guiding pipe and a base. The shielding cage has a plurality of walls and an accommodating space defined by the plurality of walls. The light guiding pipe is assembled to the shielding cage, the light guiding pipe has a light outputting end, a light inputting end and a first assembling portion at a location of the light guiding pipe adjacent to the light inputting end. The base has a light guiding pipe accommodating hole and a second assembling portion provided to the light guiding pipe accommodating hole. The light guiding pipe is assembled in the light guiding pipe accommodating hole, and the first assembling portion of the light guiding pipe is assembled to the second assembling portion of the light guiding pipe accommodating hole, after the first assembling portion of the light guiding pipe is assembled to the second assembling portion of the light guiding pipe accommodating hole from up to down relative to the base, the light guiding pipe is rotated along a rotating direction so that the first assembling portion is fixed to the second assembling portion at the light guiding pipe accommodating hole.

The invention discloses a flexible laser backlight plate and a preparation method, and relates to the technical field of laser display, the flexible laser backlight plate comprises a volume scattering particle composite layer, a reflecting layer, a light guide main body layer and a connecting end, and an optical fiber side light leakage optical fiber group is arranged in the light guide main body layer; the connecting end is arranged at one end of the backlight plate and provided with a light inlet end face corresponding to the light inlet end of the optical fiber side light leakage optical fiber set. In the optical fiber side light leakage optical fiber group, the side leakage structures of the optical fibers are non-uniformly distributed along the length direction of the optical fibers, and preset brightness distribution can be formed in the light guide main body layer, so that the preset brightness distribution can be formed and kept on the light emitting surface of the flexible laser backlight plate in a bent or flattened state; the problems of light path change and uneven brightness caused by flexible deformation are effectively solved.

A tracker, a surgical tool system, a surgical navigation system, and a method for operating a surgical navigation system are provided. The tracker is configured to be associated with a patient or a surgical tool that is to be tracked by the surgical navigation system. The tracker comprises an optical fibre having a longitudinal extension and configured to be optically coupled to a light source such that the optical fibre transmits light emitted by the light source. The optical fibre has a lateral surface along its longitudinal extension and is configured to emit light via at least a portion of the lateral surface.

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 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.

A light source apparatus includes a light guide having a side surface extending in a first direction and first and second end surfaces; an angle converter bonded to the first end surface; a base; a substrate on which a light source configured to output light toward the side surface is mounted and which is fixed to the base; and a cover member fixed to the base and configured to accommodate along with the base the angle converter, the base including a first accommodating section configured to accommodate the light guide in a state in which the side surface is exposed, the light guide fixed to the first accommodating section, and a second accommodating section configured to accommodate along with the cover member an accommodated section that is a portion from the angle converter to a portion of the light guide that faces the angle converter, the second accommodating section and the cover member surrounding a circumference of the accommodated section and form an accommodating space configured to accommodate the accommodated section, a portion of the light guide that is fixed to the first accommodating section being a fixed end, and a portion of the light guide that has the first end surface, to which the angle converter is bonded, and faces the angle converter being a free end.

The invention relates to a lighting device comprising a lighting module (2) including an optical output (22) configured to emit a light beam (5) having an angular spread, said module (2) comprising a light source (20) configured to generate the light beam and an optical diffuser (21) arranged to receive and diffuse the beam towards the optical output (22), such that the downstream value (θ2) of the angular spread downstream of the diffuser is greater than the upstream value (θ1) of the angular spread upstream of the diffuser. A control module (3) is configured to emit a control signal (CTRL) having an alarm value when the value of the angular spread of the light beam emitted by the optical output (22) passes below a first threshold, the control module (3) comprising a photoreceptor (30) optically coupled to the optical output (22) and configured to measure a light intensity, wherein the control module (3) is configured to output the control signal (CTRL) having the alarm value when the value of the light intensity falls below a second threshold, the device (1) further comprising a control circuit (4) configured to deactivate the light source (20) upon reception of the control signal (CTRL) having the alarm value. The invention also relates to an imaging system comprising such a device.

A system and method for transfer of signals between an inside of a cryogenic system and an external environment including at least one optical source (e.g., a laser) for generating optical input signals and at least one fibre for transferring modulated optical signals to the inside of the cryogenic system and receiving optical output signals from the inside of the cryogenic system. A plurality of detectors, located in the external environment, is used for detecting the optical output signals and are connected to the fibre. A plurality of first transducers converts the modulated optical signals to microwave input signals and a plurality of second transducers converts the microwave input signals to optical output signals. A first microwave impedance matching resonator is connected to the plurality of first transducers and a second microwave impedance matching resonator is connected to the plurality of second transducers.

Disclosed is a fiber optic ground spike light fixture, including a ground spike assembly configured to be inserted into a ground to assist in fixing the fiber optic ground spike light fixture; a lamp body assembly detachably connected to the ground spike assembly; and a fiber optic bundle including a plurality of linear optical fibers, with one end of the fiber optic bundle being fixed inside the lamp body assembly, and the other end thereof extending from the lamp body assembly to form a light source for the fiber optic ground spike light fixture. The present disclosure adopts a fiber optic bundle composed of a plurality of linear optical fibers as a light source, and can realize various lighting and shadow effects such as single beam light, multiple beam light, linear light, and point light.

Device for light application (1), in particular for light curing of liquid materials, e.g. dental fillings within the oral cavity, the device comprising: - a handheld handpiece (10) with a housing and a light source (11) arranged inside the housing for emitting light, - a light guiding element (20) with a light guide body (21) consisting of a transparent solid, a light inlet (27) for coupling light into the light guide body (21) such that the light is guided through the transparent solid, and a light outlet (26) for coupling light out of the light guide body (21), and - a fastening device provided on the housing of the handpiece (10) and a fastening area provided on the light guide element (20) for fastening the light guide element (20) to the housing of the handpiece (10), such that light emitted by the light source (11) is coupled into the light guide body (21) through the light inlet (27) and is coupled out of the light guide body (21) outside the housing of the handpiece (10) through the light outlet (26), - wherein the light guide element (20) has a longitudinal extent and defines a first optical axis for light coupled into the light guide body (21), wherein this first optical axis runs along the longitudinal extent of the light guide element (20), and wherein the light exit (26) defines a second optical axis for light coupled out of the light guide body (21), wherein this second optical axis runs transversely to the first optical axis and - wherein the light guiding element (20) is designed in the form of a rod with a rod axis extending substantially in a straight line along its longitudinal extent, such that the second optical axis runs transversely to the rod axis at the distal end, and / or wherein a reflector (23) for coupling out light is applied to the light guiding element (20), - wherein the light guiding element (20) comprises a sheath (22) enclosing the light guide body (21) and / or the reflector (23), wherein the sheath (22) has a refractive index which is lower than the refractive index of the light guide body (21), such that a core-sheath interface is formed for guiding the light.

The invention relates to a light guide device (100) for coupling light into and out of an optical fiber (200) and to an arrangement comprising an optical fiber (200) and the light guide device (100). The light guide device (100) comprises two half-shells (10a, 10b) which can be connected to each other at their longitudinal sides and are configured to enclose the optical fiber (200), and at least one optical element (15a, 15b, 15c) which is integrated into at least one of the two half-shells (10a, 10b) and can be optically coupled to the optical fiber (200).

A light pipe may comprise an elliptical body with a front face and a rear face. The front face may include an exit ring that is to be uniformly illuminated, and the rear face may include a plurality of light channels to receive light from respective light emitting diodes. The light channels may propagate received light at least partially circumferentially or elliptically around the body, and may reflect light toward an annular surface at an outer circumference of the rear face. Then, the annular surface may reflect light toward the exit ring, thereby generating uniform illumination while minimizing size, cost, and energy consumption. Further, the light pipe may be incorporated into a light pipe assembly including a button, a reflector, and a printed circuit board assembly, in which portions of the assembly may further facilitate propagation of light within the light pipe.

In a light guide (1) for an optical cochlear implant, comprising a flexible substrate (3) elongated in a principal direction (2) from a proximal end to a distal end and comprising at least one light-guiding core (4) arranged on the substrate (3), extending in the principal direction (2) from an input end (19) at the proximal end of the substrate (3) over more than 50% of the length of the substrate (3) and terminating with its output end (5) in front of the distal end of the substrate (3), an input optic (18), which couples incident light in the principal direction (2) into the at least one light-guiding core (4), is formed as a single-piece continuous optical body onto the input end (19) of the at least one light-guiding core (4) and the substrate (3) in such a way thatthat the at least one light-guiding core (4) terminates with its coupling end (19) within the coupling optics (18) and is embedded in the coupling optics (18) for at least a minimum length along the principal direction (2), and / or an output coupling optics (6), which deflects light exiting from the output end (5) into a first transverse direction perpendicular to the principal direction (2), is formed as a single, continuous optical body onto the output end (5) of the at least one light-guiding core (4) and the substrate (3) such that the at least one light-guiding core (4) terminates with its coupling end (5) within the output coupling optics (6) and is embedded in the output coupling optics (6) for at least a minimum length along the principal direction (2). The minimum length is equal to the height of the core (4) above the substrate (3).

Multi-branched optical fiber device (26), comprising: a first branch (46) adapted to internally transmit a first fraction (74) of a plurality of light rays along a first direction (80), wherein the first branch (46) has an outer surface (86) adapted to internally reflect the first fraction (74) in the first direction (80); a second branch (48) adapted to internally transmit a second component (76) of the plurality of light rays along a second direction (82), wherein the second branch (48) has an outer surface (88) adapted to internally reflect the second component (76) in the second direction (82); a third branch (50) adapted to internally transmit a third component (78) of the plurality of light rays along a third direction (84), wherein the third branch (50) has an outer surface (90) adapted to internally reflect the third component (78) in the third direction (84); and a stem (44) which is connected to the first, second and third branch (46, 48, 50) and is adapted to internally transmit the multitude of light rays to the outer surfaces (86, 88, 90) of the first, second and third branch (46, 48, 50), and wherein at least one of the first, second and third branches (46, 48, 50) contains lighting features (108) suitable for refracting light out of the respective first, second and third branches (46, 48, 50), characterized by a first transition region (92), which is part of a base end section (64) of the first branch (46) and the stem (44), is aligned axially to the stem (44) and the first branch (46) and is arranged such that it shades the outer surface (86) of the first branch (46) in such a way that the first portion (74) is transmitted internally through the first transition region (92) before being reflected from the outer surface (86) of the first branch (46); a second transition region (94), which is part of a base end section (66) of the second branch (48) and the stem (44), is axially aligned to the stem (44) and the second branch (48) and is arranged such that it shades the outer surface (88) of the second branch (48) in such a way that the second portion (76) is transmitted internally through the second transition region (94) before being reflected from the outer surface (88) of the second branch (48); and a third transition area (96), which is part of a base end section (68) of the third branch (50) and the stem (44), is aligned axially to the stem (44) and the third branch (50) and is arranged such that it shades the outer surface (90) of the third branch (50) in such a way that the third component (78) is transmitted internally through the third transition area (96) before being reflected from the outer surface (90) of the third branch (50).

An optical system includes a sensing assembly and a processing circuit. The sensing assembly is configured to sense light and output a sensing signal accordingly. The processing circuit is configured to analyze the sensing signal. The processing circuit is configured to output a main judgment signal to an external circuit according to the sensing signal.

A clamping means for a light guide element includes a receiving section for receiving the light guide element, and a fastening section for fastening the clamping means (and thus the light guide element) to a structure element. The clamping means features two clamping sections connected to each other by a hinge. When the clamping sections are opened to each other, the light guide element can be inserted into or removed from the receiving section. When the clamping sections are closed to each other, the light guide element is hold in the receiving section.

An illumination unit for illuminating an area of operation during open surgery. The illumination unit including: a body; a fiber bundle configured to guide light towards a distal end of the body, and a reflector body arranged at the distal end of the body. Where at least a part of the fiber bundle is guided inside the body along a longitudinal direction, the fiber bundle is split up into a plurality of optical fibers which form a fiber layer on an inner surface of the body, end faces of the plurality of optical fibers are arranged at the distal end of the body, the reflector body encloses the end faces of the plurality of optical fibers in a radial direction and extends distally beyond the distal end of the body in the longitudinal direction, and an inner surface of the reflector body is a reflective surface.

There is disclosed herein a kitchen appliance including: a lighting arrangement including: a light pipe (50) having a start portion (60), an end portion (62), and an upper surface (54) and an opposing lower surface (56), wherein the upper surface (54) includes a plurality of facets (68) that extend along a length of the light pipe (50) between the start and end portions (60, 62); and a light source (75) associated with the light pipe (50) and configured to emit light along the length of the light pipe (50).

The invention relates to a lamp, primarily a household appliance lamp, in particular a cooking appliance lamp, with a light source formed by a circuit board with an LED arranged thereon, with a light guide rod having a light entry surface for the light emitted by the LED, with a holder having a circuit board receptacle on a bottom side and a fixing element for receiving the light guide rod on a top side opposite the bottom side, with an opening in the holder in the area of ​​the fixing element through which the emitted light from the LED arranged on the bottom side passes to the light guide rod arranged on the top side, and is characterized in that the light guide rod forms a circumferential projection in a radial plane, in particular at least one substantially circumferential annular projection.The light guide rod is positively locked in place by means of the circumferential projection in the fixing element of the holder.

The present application relates to a display device for sales or testing with a light guide, comprising a lower layer (14) for housing a product in an assembled state, a light emitting system (16) and an upper layer fixing said light emitting system, said light emitting system comprising a base (24), a printed circuit board (22) comprising light emitting diodes adapted to emit light (L1) and a guide (26) made of translucent material extending along a path (L) and positioned opposite said light emitting diodes to conduct said light, said guide (26) comprising an upper surface reflecting at least part of said light (L1) downwards and forming a reflected light and a lower surface allowing at least part of said reflected light to pass through and forming a scattered light (L3), said guide being configured to form an illuminated area (20) in said lower layer.

The present invention provides a linear light-emitting element having a side light emission region. The linear light-emitting element comprises a rod-shaped core layer, the core layer having at least one end face that allows light from a light source to be received and incident on it; a cladding layer surrounding the outer surface of the core layer, having a lower refractive index than the core layer, and allowing light from the core layer to be incident on the cladding layer by refraction; a transparent light-emitting layer surrounding the outer surface of the cladding layer, which transmits light from the cladding layer; and a reflective layer at least partially covering the outer surface of the transparent light-emitting layer, which at least partially faces the side light emission region and reflects light from the transparent light-emitting layer toward the side light emission region.

A fiber optic light panel assembly including an optical fiber layer including a plurality of optical fibers arranged in a predetermined form such that the optical fiber layer has a light emitting side configured to emit light, and a mounting side opposing the light emitting side. An adhesive layer is provided having a first side in direct contact with the mounting side of the optical fiber layer, and a second side opposing the first side and configured to directly contact a surface of a supporting structure such that the adhesive later mechanically connects the optical fiber layer to the support structure. Also included is a fiber bundle including portions of the plurality of optical fibers that are not in direct contact with the adhesive layer, and abrasions provided along a length of each of the plurality of optical fibers such that light can be emitted from the respective fiber, the abrasion being provided in the optical fiber layer and in at least part of the fiber bundle.

The invention discloses a large-view-field sunlight receiving and conducting system, and relates to the technical field of sunlight receiving and conducting. The system is formed by modularization cascade amplification of a plurality of independent light condensation devices, each independent light condensation device comprises a protection cover, a lens, a lens array and an optical fiber array, and the lenses, the lens arrays and the optical fiber arrays are sequentially arranged in the protection covers from top to bottom in an overlapped mode; the system further comprises a light splitting device composed of light transmission optical fibers, and the light splitting device is used for disordering and rearranging the optical fiber bundles from the multiple independent light condensation devices to achieve out-of-order uniform output of the optical fibers. Large-view-field sunlight collection is achieved through modular cascade amplification, damage of strong light to a device is reduced through spectral pupil design, the efficiency is improved through optical fiber array coupling, output light intensity uniformity is achieved through optical fiber out-of-order rearrangement, optical fiber light condensation energy can be effectively improved, end face damage is reduced, and the device is suitable for large-view-field sunlight collection. The system is suitable for various scenes such as indoor illumination and agricultural light supplement.

An optical system is provided. The optical system includes a light collimating optical element, a housing, and an array of light emitting diodes (LEDs). The housing accommodates the light collimating optical element and has an internal light absorbing wall. The LED array is configured to emit light into the light collimating optical element. The LED array includes a first set of LEDs comprised of one or more centrally arranged LEDs and another set of LEDs comprised of an arrangement of LEDs arranged around the first set of LEDs. The LED array is arranged at the first opening of the housing.

A light pipe includes at least two optical structures having different refractive indices. An interface between the two optical structures is oblique to a longitudinal axis of the light pipe such that an output ray from an output surface at a distal end of the light pipe is non-parallel to an input ray that is parallel to the longitudinal axis at an input surface at a proximal end of the light pipe. Light refracts inside the light pipe between the (at least) two optical structures altering the direction of an optical path of the light through the light pipe, thereby allowing higher degrees of freedom for the selection of the angle of deviation (folding angle) of the light pipe. By optimizing various parameters of the light pipe, a desired output optical axis angle (i.e., folding angle) can be achieved that suits the desired optical engine envelope.

An illumination light guide for guiding EUV or DUV illumination light in an illumination optics unit, comprising a tubular guide main body, a guide input and a guide output, wherein the guide main body forms an interior for guiding the illumination light along a longitudinal axis from the guide input to the guide output and wherein a cross-sectional shape of the interior defined perpendicular to the longitudinal axis changes along the longitudinal axis.

A catheter system (100) for treating a treatment site (106) includes a catheter (102), a system console (123) that includes a console connection aperture (148), an energy source (124), one or more energy guides (122A) that receive energy from the energy source (124), and an optoelectrical connector (151) that is coupled to the catheter (102). The optoelectrical connector (151) includes a guide coupling housing (250) that retains at least a portion of each of the energy guides (122A). The guide coupling housing (250) is configured to be selectively mechanically connected to the system console (123) via the console connection aperture (148) so that the energy guides (122A) are adjustably aligned relative to the energy from the energy source (124). The optoelectrical connector (151) also includes at least a portion of an electrical connector assembly that is positioned adjacent to the guide coupling housing (250) and that transmits at least one of power and data between the system console (123) and the catheter (102) when the guide coupling housing (250) is retained within the console connection aperture (148).

Provided is an optical device, wireless endoscope, and endoscope system in which a tubular portion is thin and in which illumination light can be efficiently incident on a light guide member inside the tubular portion. An optical device (1) has a holding portion (2) and a tubular portion (3), wherein the optical device (1) further has: a light source (11); a light guide member (12) formed of a medium having a larger refractive index than (1); and a light conversion member, the light guide member including a first light guide region (12') having an incident end face (2a) and a second light guide region (12") having an exit end face (12b), the diameter of the incident end face (12a) being larger than the diameter of the exit end face (12b), and at least a portion of the second light guide region (12") being included in the tubular portion.

The invention relates to a lighting device comprising an envelope, a base, a solid-state light source, an exhaust tube, and a light guide provided with a light-outcoupling means. The light guide is optically coupled to said solid-state light source and partially arranged inside the exhaust tube. The high performance of the laser light source, as a solid-state light source, with the interaction of the optical fiber, as a light guide with the exhaust tube comprised in the stem, will make this lighting device more performant and improve its functionality and / or performance.

The present application provides an interior member. By reducing the folded-back region of the remaining portion of the skin member folded back to the back surface of the base material, the fastening portion with respect to the base member can be arranged on the side close to the outer edge of the back surface of the base material to approach the boundary on the appearance of the interior member. The interior member (decoration (1)) has a plate-shaped base material (2) fastened to a base member (43), and a skin member (3) covering the surface of the base material. Furthermore, the skin member has a fabric (7) with optical fibers (4) woven as constituent threads, a folded portion (11) folded into multiple pieces and folded back to the back surface of the base material is provided in the skin member, and a jig member (15) holding the folded portion is provided on the back surface of the base material.