498results about "Fibre light guides" patented technology

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 illumination system is provided, having a handpiece with an illumination unit and a semiconductor lighting element which provides a radiation of essentially blue light in the wavelength between 400 nm and 500 nm, and a light guide unit connectable to the handpiece. The light guide unit includes a fiber-optic light guide rod, having a proximal end face and a distal end face, and a sleeve. The fiber-optic light guide rod is fixed in the sleeve by a first adhesive in a portion of the proximal end face. The light guide unit has a converter, for converting the radiation of a semiconductor lighting element in the operating state into a distal radiation of the fiber-optic light guide rod at its distal end face. The distal radiation in the operating state has essentially white and / or color-neutral light, or colored light, a wavelength in the visible spectral range.

An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly and a first driving assembly. The movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The optical element driving mechanism further includes a first opening, and an external light beam travels along a first axis to pass through the first opening.

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.

A power tool includes a primary housing, and a motor situated within the primary housing. The power tool also includes a circuit board located within the primary housing, and a light source mounted to the circuit board. The power tool also includes an optical fiber including a first end and a second end. The first end may be coupled to the light source and may be configured to receive light generated by the light source. The second end may be configured to emit the light to an outside of the primary housing to provide a status indication to a user and / or to illuminate a work area.

The invention discloses a multi-core illumination optical fiber, a stranding device and a use method thereof, the multi-core illumination optical fiber comprises a plurality of optical fiber core groups, the plurality of optical fiber core groups are arranged in a manner that a plurality of outer-layer optical fiber core bodies are spirally wound on a plurality of inner-layer optical fiber core bodies, and the plurality of optical fiber core groups tightly wrap a reinforcing tube arranged in the optical fiber core groups in a reciprocating spiral stranding manner. According to the invention, the plurality of optical fiber core bodies are spirally twisted together to form the optical fiber core group, and the reinforcing tubes are additionally arranged in the plurality of optical fiber core groups made in a reciprocating spiral twisting mode, so that the tensile strength of the multi-core illumination optical fiber can be improved, and the service life of the optical fiber is prolonged; the reciprocating stranding mechanism is used for preventing the fiber core body from being sprained and damaged in the stranding process, the positioning frame is additionally arranged in the stranding structure, so that the positioning frame can position and fix the fiber core group in the reciprocating stranding process, the fiber core group is tightly attached to the outer wall of the reinforcing tube, the traditional wire binding operation is avoided, and the processing cost is further reduced.

The present disclosure concerns an imaging system for imaging a sample immersed in a controlled environment. The system comprises—at least one enclosure configured to hold at least one imaging sensor or camera inside the enclosure, the enclosure including at least one opening and at least one transparent window for imaging the sample; and—a flexible channel comprising a first extremity and a second extremity, the first extremity being connected to the enclosure at said at least one opening and the second extremity being configured to be connected to a wall of the hermetic chamber, the flexible channel defining or enclosing a passage extending through the flexible channel and to or into the enclosure.

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 present invention concerns a viewing apparatus comprising:a first optical line comprising:a projecting system adapted to project a light signal on a first area of the retina of an eye of a wearer of the viewing apparatus,a light signal generator generating the light signal to be projected, anda waveguide comprising an input coupler and an exit coupler, the waveguide being adapted to convey light from the input couple to the exit coupler, and optionally a second optical line comprising an optical system adapted to project a light signal of the environment on a second area of the retina of the eye of the wearer, the optical system comprising a part of the waveguide.

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 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.

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.

The invention relates to a lighting system (1), comprising a handpiece (10) with a lighting unit (16) and at least one semiconductor lighting element (16.1), wherein the at least one semiconductor lighting element (16.1) in the operating state has a radiation (16.3) of essentially blue light in the wavelength range between 400 nm and 500 nm, and a light guide unit (20) which is detachably connected and / or connectable to the handpiece (10), wherein the light guide unit (20) comprises a fiber optic light guide rod (22) with a proximal end face (22.3) and a distal end face (22.1) and a sleeve (21), wherein the fiber optic light guide rod (22) is fixed in the sleeve (21) by means of a first adhesive (23) in a section starting from the proximal end face (22.3), and wherein the light guide unit (20) has at least one converter (24), wherein the converter (24) converts the radiation (16.3) of the at least one semiconductor luminous element (16.1) in the operating state into a distal radiation (22.2) of the fiber optic light guide rod at its distal end face (22.1), so that the distal radiation (22.2) in the operating state has substantially white and / or color-neutral light, or colored light, of at least one wavelength or at least one wavelength range in the visible spectral range.

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.

A building control device includes a printed circuit board including control circuitry for controlling at least part of the building control device. An LCD display is operatively coupled to the printed circuit board and is controlled at least in part by the control circuitry of the printed circuit board. A plurality of LEDs are operatively coupled to the printed circuit board and are controlled at least in part by the control circuitry of the printed circuit board. An opaque plate defines an at least translucent arc-shaped region that extends around at least part of the LCD display. A light guide is situated behind the opaque plate and is configured to be illuminated by the plurality of LEDs such that light from the light guide is visible through the at least translucent arc-shaped region of the opaque plate.

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.

A viewing apparatus is provided that has a first optical line having:a projecting system adapted to project a light signal on a first area of the retina of an eye of a wearer of the viewing apparatus,a light signal generator generating the light signal to be projected, anda waveguide having an input coupler and an exit coupler, the waveguide being adapted to convey light from the input coupler to the exit coupler, and optionally a second optical line having an optical system adapted to project a light signal of the environment on a second area of the retina of the eye of the wearer, the optical system comprising a part of the waveguide.

The present invention discloses a lens for fiber optic lighting equipment and the fiber optic lighting equipment having the lens. When using optical fibers for lighting, the lens allows light to be evenly and completely concentrated on the optical fibers to minimize brightness differences of each optical fiber, thereby improving the quality of lighting through the optical fibers.

To provide a unit equipped with an illumination light guide or an image guide for a single-use endoscope which enables high transmittance and high color reproduction fidelity.SOLUTION: Provided is an illumination device including at least one illumination light guide 30 and / or an image guide for transmitting electromagnetic radiation, wherein the illumination light guide or the image guide has a proximal end face for incidence or emission of the electromagnetic radiation and a distal end face for emission or incidence of the electromagnetic radiation. The proximal end face and / or the distal end face consist at least partially or in some sections of a transparent plastic part or are integrally formed thereon from a transparent plastic, wherein the transparent plastic is biocompatible and / or does not have cytotoxic properties for human or animal cell structures for an action time of less than one day. A unit which can be produced at low cost can thus be realized, in particular for a single-use endoscope 1.SELECTED DRAWING: Figure 1

This light diffusion device (1) is provided with an optical fiber (20) and causes light incident from the base end portion of the optical fiber (20) to exit from the tip side (T) of the optical fiber (20), the optical fiber (20) including a core positioned on the center side in the radial direction and a cladding positioned on the outer peripheral side of the core, the optical fiber (20) having: a light transmission unit (20a) that transmits light incident from the base end portion toward the tip portion (20TE); and a light emission section (20b) that emits light transmitted by the light transmission section (20a) from the outer peripheral surface by removing a portion of the cladding on the outer peripheral side of the tip side T. The light diffusion device (1) is provided with: a reflection element (24) that surrounds the outer peripheral surface of the light emission section (20b) so that a region that serves as a light emission port (23) remains; and a heat dissipation cover (25) that is in contact with the reflective element (24) on the tip side (T) and covers at least a part of the light transmission unit (20a).

Provided is a light diffusion device capable of uniformly emitting light without reducing the emission amount of light emitted from a light emission part of an optical fiber. An optical fiber (10) is provided with: a light transmission unit (11) that transmits light incident from a base end section to a tip section; and a light emission section (12) that is provided on the tip side and that emits the light transmitted by the light transmission section (11) from the outer peripheral surface, the light emission section (12) being a section that exposes the core (10a) across at least a portion of the tip side of the optical fiber (10) in the circumferential direction and across the axial direction of the tip side of the optical fiber (10). The size (D) of the outer diameter of the core (10a) in the light-emitting section (12) is formed so as to be smaller on the tip side than on the base end side of the light-emitting section (12).

A light-pipe lighting apparatus includes a light source with a collimating light pipe disposed adjacent the light source. An optical sheet is disposed adjacent the collimating light pipe opposite the light source. A mask is disposed adjacent the optical sheet opposite the collimating light pipe. A projection light pipe is disposed adjacent the mask and opposite the optical sheet. Light emitted from the light source is modified as it passes through the collimating light pipe, the optical sheet, the mask, and the projection light pipe thereby projecting an illuminated image. Based on patterns of transparent portions of the mask, corresponding patterns of illuminated images are projected from the light-pipe lighting apparatus.

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).

An assembly for redirecting light emitted by an end-emitting optical fiber into an inner lumen of a body is provided. According to one implementation, the body includes one or more surfaces disposed on or in the body onto which the light is configured to impinge when the end emitting optical fiber is activated, the one or more surfaces being configured to alter the trajectory of the light so that the light is directed to impinge on a light reflector of a cap removably attached to the body, the light reflector of the cap being configured to redirect the light distally into the inner lumen of the body.

The present disclosure provides an illuminated cushion. The illuminated cushion comprises an outer cover, a soft core, a power supply unit, and a light strip. The outer cover envelops the soft core, the power supply unit supplies power to the light strip, and the light strip is arranged inside piping and / or a decorative trim on lateral edges of the outer cover. By embedding the light strip within the piping and / or decorative trim, the light strip is hidden inside, adding a lighting function to the cushion without altering its external appearance. The light strip can outline the cushion, making it easier to find while also providing lighting and enhancing the ambiance.