An multimodal variable beam angle washlight and dynamic color flower effect luminaire is described employing multi colored LED array and a collimating partial homoginizing light guide which rotates paired with a rotating multifaceted prism which can selectively engage the light beam and be rotated while engaged. and further paired with a diffusion arm and zoom lens which converts the fixture into a variable angle wash light.

An example optical device for backlighting includes a receiver disposed in a mobile device to receive ambient light. The optical device also includes a concentrator to concentrate the received ambient light received through the receiver. The optical device further includes a channeler to direct the ambient light beneath a surface of the mobile device to a digital display of the mobile device.

Disclosed is an LED luminaire, comprising a housing positionable at a building structure location. The housing has at least one light output boundary and configured to direct light therein toward the light output boundary. A light guide configured to be located at the light output boundary to receive light operationally contained within the housing, so as to emit non-directional light at the light output boundary. At least one first LED light engine is located within the housing, the at least one first LED light engine including at least one first LED light source to emit directional light at the light output boundary.

The invention relates to an illumination device (1) comprising an optical waveguide (2) and a number of (connections for) light sources (3)—especially LEDs—positioned along the waveguide (3). This waveguide has a central axis (4) at a distance r to the surface of the waveguide, said surface comprising a light entrance surface (6) on which the (connections for) light sources are positioned and a curved light exit surface (5), wherein, viewed along the circumference of the curved surface (5), the distance r to a first intersection (8) between the flat surface (6) and the curved surface (5), changes to a second distance of different value at the second intersection (9) between said surfaces. The invention also relates to a luminaire comprising such an illumination device (1). Due to the special design of the waveguide (2), the amount of reflections of light in the light sources is largely reduced and desired shaping of the exiting beam can be realized. The device can be further improved by the use of special features, like specially designed curved surfaces (5), reflective structures (13), channels (15) and torus-shaped waveguides.

An illumination apparatus includes a light source unit emitting coherent light in a first direction, a first light division unit, including a plurality of first slots, receiving the coherent light, each slot of the plurality of first slots reflecting a part of the coherent light in a second direction crossing the first direction, and a surface lighting plate including a plurality of second light division units, each light division unit of the plurality of second light division units includes a light guide through which light progresses, and each light division unit of the plurality of second light division units includes a plurality of second slots. Each slot of the plurality of second slots of each second light division unit reflects a part of the coherent light received from a corresponding slot of the plurality of first slots in a third direction which crosses the first and second directions.

A lighting device (10) for vehicle headlamps, comprising: —at least one light source (50), —a light guide (200) comprising an end section (210) with a light entry surface, —a light guide adapter (300) configured to secure the end section (210) and to hold the light entry surface in a position with regard to the light source (50), the light guide adapter (300) comprises a base-section (310) and a securing-section (320), and —a support frame (400), on which the light guide adapter (300) is mounted, wherein the securing-section (320) comprises a first engaging-element (320a), the base-section (310) comprises a first fastening-opening (311), the support frame (400) comprises a mounting-opening (410) for the securing-section (320) of the light guide adapter (300) and a second fastening-opening (411), wherein the mounting-opening (410) having a second engaging-element (410a) corresponding to the first engaging- element (320a), wherein the light guide adapter (300) can be brought into an end position (P2) by inserting the securing-section (320) into the mounting-opening (410), such that the first engaging-element (320a) engages with the second engaging-element (410a), wherein the first fastening-opening (311) and the second fastening-opening (411) are overlapped, so that the first and second fastening-opening (311, 411) can receive a fastening-element (110).

A driving tool allows easy assembly and effective illumination of an area around a nozzle. A driving tool includes a striking mechanism that strikes a fastener, a body including the striking mechanism and an illuminator, a nozzle to allow ejection of the fastener struck by the striking mechanism, and a light guide between the illuminator and the nozzle.

An earpiece module includes a plurality of sensor regions, each sensor region contoured to matingly engage a respective different region of an ear of a subject, and each sensor region including an electrode. The earpiece module is configured to detect or measure physiological information about the subject from the different ear regions via the respective electrodes.

The present invention relates to an optical scanning type video projection device that decreases the height of the optical scanning type video projection device by improving the disposition of a light source module device and an optical scanning mirror device. The optical scanning type video projection device has: a first substrate on which an optical waveguide type multiplexer having a plurality of optical waveguides and a light multiplexer is provided; a second substrate on which an optical scanning mirror device having a movable mirror is provided; and an optical member configured to guide a light beam emitted from the optical waveguide type multiplexer to the movable mirror in a direction that is different from an emitting direction of the light beam. The first substrate and the second substrate are disposed in parallel with each other.

A touchless sensor includes a printed circuit assembly, a light guide and a sensor lens that are carried by a housing. The sensor lens is of hand shape. The housing corresponds in size and shape to a standard 19 mm push-button housing to allow for retrofitting to convert an electronic device from push-button operation to touchless operation.