Abstract: A vehicle headlamp is provided with: a reflector having reflecting surfaces made of a parabola-based free curved face; and semiconductor-type light sources having a light emitting chip shaped like a planar rectangle. The reflecting surfaces 2U, 2D are made up of: a first reflecting surface forming a high luminous intensity zone; a second reflecting surface forming a middle luminous intensity zone; and a third reflecting surface forming a low luminous intensity zone. As a result, the vehicle headlamp allows downsizing, weight reduction, and cost reduction. In addition, precision of assembling optical elements can be improved.

Abstract: A lens may include a light incident surface, a first light emergent surface and side surfaces joining the light incident surface and the first light emergent surface. The light incident surface defines a space for accommodating light sources. The side surface includes at least one total-internal reflection surface and at least one second light emergent surface, a first part of light passing through the light incident surface is refracted by the first light emergent surface and emerges to generate first emergent light, a second part of light passing through the light incident surface is reflected by the total-internal reflection surfaces to the first light emergent surface and is refracted by the first light emergent surface and emerges to generate second light emergent light, and a third part of light passing through the light incident surface is refracted by the second light emergent surfaces and emerges to generate third emergent light.

Abstract: An optoelectric sensor, comprising: a light-sensitive structure which comprises a substrate and an array of pixel cells located on the substrate, wherein each of the pixel cells comprises a thin film transistor and a photodiode; a fiber optical guide plate located above the light-sensitive structure, which comprises a group of optical fiber bundles configured to be perpendicular to the substrate, and each of the optical fiber bundles has an diameter smaller than or equal to a width of pixel cell; and a backlight source located below the light-sensitive structure. The fiber plate will enable each pixel cell detecting features of an object surface corresponding thereto more independently, so as to improve the resolution of the optoelectric sensor. The optical fiber bundles are configured to be perpendicular to the substrate, and the optoelectric sensor will have a thin structure.

Abstract: An integral LED light fixture for installation in an incandescent light bulb socket includes a housing with a forwardly-extending portion and peripheral outer walls defining a recess, a rearwardly-extending socket base to be screwed into an incandescent light bulb socket, electrical components including a printed circuit board having a set of LEDs, and a lens for covering the printed circuit board and being attached to the housing. The integral LED light fixture cover can also be installed in a junction box. An AC version is also provided which lacks the driver component and the driver cover.

Abstract: A ring light module having a plurality of optoelectronic semiconductor components for producing electromagnetic radiation, a reflector of the ring light module comprising a reflective surface, and a support. The semiconductor components are mounted on the support. In a plan view of a main radiation side of the ring light module, the reflector comprises at most two planes of symmetry. The reflector tapers in the direction towards the main radiation side. At least some of the main emission directions of adjacent optoelectronic semiconductor components are oriented differently from each other, and the main emission directions point towards the reflective surface.

Abstract: An optical lens having an incident surface on which the light emitted from a light emitting diode is incident and having a concave portion into which the light is received and an emitting surface emitting the light incident on the incident surface therethrough, the optical lens including: a plurality of refraction prevention portions protruded unitarily from the emitting surface to allow the light around a light axis emitted through the emitting surface to travel straight, without having any refraction, each refraction prevention portion having an orthogonal surface formed thereon to the advancing direction of the light incident through the incident surface.

Abstract: A lighting system that provides radial and down lighting for dock piles and dock platforms. The lighting system has a cone assembly, a base that mounts onto a dock pile, and an electrical system having at least one light source. A tip cone is mounted onto the cone assembly and may have at least one light slot to emit light from the at least one light source. The tip cone and cone assembly are apex shaped. Extending from the tip cone is a mast bolt that secures to the base and may secure the at least one light source. The lighting system may also have at least one flat mold, and at least one corner mold. Each has at least one channel to receive at least one optic fiber, color bead, and/or rope lighting. A pile wrap assembly has at least two wraps that join around each dock pile.

Abstract: A digital focal plane array includes an all-digital readout integrated circuit in combination with a detector array. The readout circuit includes unit cell electronics, orthogonal transfer structures, and data handling structures. The unit cell electronics include an analog to digital converter. Orthogonal transfer structures enable the orthogonal transfer of data among the unit cells. Data handling structures may be configured to operate the digital focal plane array as a data encryptor/decipherer. Data encrypted and deciphered by the digital focal plane array need not be image data.

Abstract: A rainbow wheel that colors light that is passed therethrough. The wheel can be formed using a photolithographic process. Another supermagenta wheel can be used to increase the number of colors that can be obtained.

Abstract: An illumination apparatus disclosed herein includes a first light emitting section, a thermal actuator, and a displacement mechanism. The thermal actuator is configured to generate a driving force on the basis of heat dissipated by the first light emitting section. The displacement mechanism is configured to displace a predetermined object by making use of the driving force generated by the thermal actuator.

Abstract: A novel flashlight assembly that includes an interface integrated into the housing thereof to facilitate mounting of the flashlight to the interface positioned ahead of the trigger on a modern firearm. Generally, the outer body of the flashlight includes a head mounted to a flashlight body at one end and at least one paddle switch extending outwardly at the other end of the body. Preferably the paddle switch extends at least partially beyond a trigger guard on the firearm when the flashlight is mounted to the accessory interface on the firearm. Further, the flashlight includes protrusions extending from the side of the body for interfacing the flashlight with the accessory interface on the firearm.

Abstract: There is disclosed a mobile terminal including a display unit, a first film having one surface coated with a first adhesive material, the surface coupled to a back surface of the display unit by the first adhesive material, and a front case having a second adhesive material disposed on one surface thereof, the surface coupled to the other surface of the first film by the second adhesive material, wherein an adhesive strength of the first adhesive material is smaller than an adhesive strength of the second adhesive material, such that the back surface of the mobile terminal may be attached to the case to prevent the bezel from increasing.

Abstract: A workstation includes a proximity system having multiple object sensors each associated with an object field of view for detecting a target object outside the housing. Each object sensor includes an IR emitter for emitting IR light into an IR emission field and an IR sensor for sensing returned IR light within an IR detection field that intersects the IR emission field. The workstation also includes a controller is operatively connected to the proximity system for activating each one of the multiple object sensors sequentially.

Abstract: An outdoor lighting device with cooled LEDs comprises a housing carrying a radiator and a light-emitting diode that is thermally coupled to the radiator, and the radiator is arranged along a passage that is protected from solar radiation and in which a flow of air is established.

Abstract: A lighting apparatus includes a light emitting element, a light flux controlling member which controls light distribution so as to narrow the light emitted from the light emitting element, a substantially tubular prism member which is formed of an optically-transparent material, has a plurality of prism rows, and extends in the optical axis direction, and a substantially tubular diffusion member having optical transparency and a light diffusion property. The plurality of prism rows is disposed parallel to the optical axis on the outer peripheral surface of the prism member.

Abstract: An optical system for light energy concentration may comprise a light concentrator to convert incident light to converging light, a light collimating element to receive the converging light and to reduce an angle of convergence of the converging light, and a light directing element to direct the reduced-angle converging light to a light guide to transmit the directed light.

Abstract: An apparatus is provided in which a photodiode supported on a planar light wave circuit assembly and arranged such that a photosensitive portion of the photodiode is aligned along an optical path from the output of the planar light wave circuit to the photodiode of the planar light wave circuit assembly. The photodiode is arranged such that a spot size of light output from the planar light wave circuit is incident on the photosensitive portion such that an optical signal transmitted by the light output is converted to an electric signal by the photodiode. A mounting structure is arranged between the planar light wave circuit assembly and the photodiode in order to support the photodiode on the planar light wave circuit assembly. The optical path of the light output from the planar light wave circuit does not contain any refractive optical elements.

Abstract: An encoder system comprising an encoder assembly and an encoder alignment structure is disclosed. The encoder assembly may include at least a coding member, a hub, and a housing. The encoder alignment structure may comprise a major surface, a plurality of catches, and a recessed region. The major surface may be coupled with the housing to substantially enclose the hub and the coding member. The plurality of catches may be disposed around the periphery of the major surface and may be configured to secure the encoder alignment structure to the housing. The recessed region of the major surface may be converging from the periphery of the major surface between two of the plurality of catches towards the hub so as to provide access for a user to adjust the hub around the axis of rotation.

Abstract: A device and method to detect a gesture performed by an object in touch-less communication with the device are described. The device includes two or more ambient light sensors arranged at respective first surface locations of the device, each of the two or more ambient light sensors sensing light intensity at the respective first surface location. The device also includes one or more processors to operate one or more light sources at respective second surface locations of the device based on the light intensity sensed by the two or more ambient light sensors, and detect the gesture based on the light intensity sensed by each of the two or more ambient light sensors.

Abstract: Embodiments of the invention include head and tail lights with and without heat sinks and kits made therefrom for golf carts.