A keyboard device includes a keyboard module and an illumination module. The keyboard module includes plural first keys and at least one second key. The illumination module includes a light guide plate and a circuit board. The light guide plate includes plural first mapping zones and a second mapping zone. The first mapping zones are located under the corresponding first keys. The second mapping zone is located under the second key. Moreover, at least one side-view light-emitting element and at least one top-view light-emitting element are installed on the circuit board. The side-view light-emitting element emits a first light beam. The top-view light-emitting element emits a second light beam. The first light beam is extracted through the corresponding first mapping zone and transferred to the corresponding first key. The second light beam is transferred to the second key.

A lighting module for a refrigeration appliance has a housing provided with a light outlet. The housing includes a supporting edge surrounding the light outlet and an inner frame disposed along the supporting edge. The inner frame protrudes from the supporting edge in a direction away from the light outlet. The housing further has a light source. The light source includes a light emitting element and a substrate bearing the light emitting element. The light guide plate is supported on the supporting edge and includes a first end surface protruding toward the inner frame. The housing includes a mounting portion located in a space defined by the first end surface of the light guide plate, the supporting edge, and the inner frame. The substrate is mounted on the mounting portion, so that the light emitting element and the first end surface of the light guide plate face each other.

A lateral light emitting atmospheric downlight includes a light body, a first light source module, a second light source module and a light guide module. An upper end and a lower end of the light body are respectively provided with a communicating opening, the first light source module is arranged around an inner wall of the light body, the light guide module is arranged in the light body, and a light exiting surface of the first light source module is opposite to the light guide module; the second light source module is arranged around an outer wall of the light body, and one side, away from the light body, of the second light source module emits light. With the design above, multi-directional light emission of the downlight is achieved.

A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting.

A flat light guide (1) for a vehicle lighting device, which includes a rear end (10) and a front end with a light output surface (13), the light guide (1) being defined between the two ends by a pair of side surfaces (11, 12). The light guide (1) has a base plane (X-Y) and at its rear end (10) is provided with at least one collimating element (2) arranged transversely or obliquely with respect to the plane (X-Y). Opposite the collimating element (2) is arranged an obliquely inclined reflective surface (3) to reflect light from the collimating element (2) into the flat light guide (1). The collimating element (2) is adapted for the light input from the light source into the light guide (1) which further guides the light between the side surfaces (11, 12) to the output surface (13).

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.

A flat light guide (1) for a vehicle lighting device, which includes a rear end (10) and a front end with a light output surface (13), the light guide (1) being defined between the two ends by a pair of side surfaces (11, 12). The light guide (1) has a base plane (X-Y) and at its rear end (10) is provided with at least one collimating element (2) arranged transversely or obliquely with respect to the plane (X-Y). Opposite the collimating element (2) is arranged an obliquely inclined reflective surface (3) to reflect light from the collimating element (2) into the flat light guide (1). The collimating element (2) is adapted for the light input from the light source into the light guide (1) which further guides the light between the side surfaces (11, 12) to the output surface (13).

A planar light source includes a light source, a light guide member, and a sectioning member. The light guide member has a light source placement part in which the light source is disposed and a section defining part having a groove surrounding the light source placement part. The sectioning member has light reflectivity and is disposed in the section defining part. A first portion in the section defining part that is furthest from a center of the light source in a plan view has a transmittance higher than a transmittance of a second portion in the section defining part that is closest from the center of the light source in the plan view.

A light fixture with a single edge lit optical assembly produces various light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor of light fixture embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The light fixture can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions including asymmetrical and symmetrical with one or more peak intensities. Optical components within the light fixture are typically positioned and retained in optical alignment with internal support features of a linear housing. The optical assembly typically includes LED board, light guide, and one or more reflectors, and an optically transmitting component further providing a fixture assembler a range of design choices.

Provided is a fixture including a base; and a light guide, which is positioned on the base and is configured to receive light emitted from a light source in a first direction and guide the received light to be emitted in a second direction crossing the first direction.