A lighting module disclosed in an embodiment comprises: a substrate; a light-emitting element arranged on the substrate; and a resin member arranged on the substrate and the light-emitting element. The resin member comprises a plurality of side surfaces and an exit surface on the upper portion thereof. The plurality of side surfaces of the resin member comprise a first side surface adjacent to the light emitting device, a second side surface facing the first side surface, and third and fourth side surfaces arranged between the first and second side surfaces so as to face each other. The exit surface of the resin member comprises a light extraction structure having a large length in a first direction and having a concavo-convex pattern in a second direction that is perpendicular to the first direction. The light emitting device comprises an exit area corresponding to a part of the second side surface in the first direction. The thickness of the second side surface, in connection with the resin member, may be smaller than the thickness of the first side surface.

A lighting device includes a series of optical waveguides, each optical waveguide being adapted to guide light rays between an entry face and an exit face, the optical waveguides being formed of a first subassembly and a second subassembly produced separately and each including a portion of the series of optical waveguides and including structural elements to retain the optical waveguides in position. The first subassembly and the second subassembly are adapted to be assembled to form the lighting device by cooperation of the structural elements, and the first subassembly includes a first structural element adapted to connect proximal ends of the optical waveguides and a second structural element distinct from the first structural element and adapted to connect distal ends of the optical waveguides.

LED lighting devices are provided that include two optical waveguides and at least one LED in an intermediate region between end faces of the optical waveguides so that radiation from the LED is coupled into the optical waveguides through the end faces. A de-coupler is on outer circumferential surface regions of each of the two separate optical waveguides. The de-coupler reflects the radiation guided in the optical waveguides so that the radiation passes through the optical waveguides and is coupled out of the optical waveguides laterally. The intermediate region has a length that is selected so that a brightness difference, measured perpendicular to an axis of the optical waveguides in the center of the intermediate region, at a distance of 10 mm perpendicular to the axis of the optical waveguides is at most 25% based on a maximum value of brightness along the axis of the optical waveguides.

An optical mixer for a vehicle lighting device having a light source and an optical fiber panel that inputs light from the light source. The optical mixer includes a light input face configuration to input light from the light source, and a light output face configured to output light to the input to panel. A sidewall connects the light input face to the light output face. The optical mixer is configured to provide output light from the output face having greater spatial uniformity than input light entering the input face.

A light beam adjusting device, a vehicle lamp and a motor vehicle are provided. The light beam adjusting device includes: a first adjusting unit and a second adjusting unit arranged side by side; wherein the first adjusting unit includes: a first incident portion arranged to receive a first light beam; a first exit portion having a first light exit face; and a first deflecting face and a second deflecting face; and wherein the second adjusting unit includes: a second incident portion arranged to receive a second light beam; a second exit portion having a second light exit face; and a third deflecting face and a fourth deflecting face, wherein the first deflecting face is arranged to deflect a part of the first light beam towards the fourth deflecting face, and the third deflecting face is arranged to deflect a part of the second light beam towards the second deflecting face, and the fourth deflecting face is arranged to deflect the part of the first light beam deflected by the first deflecting face towards the second exit portion, and the second deflecting face is arranged to deflect the part of the second light beam deflected by the third deflecting face towards first exit portion.

A series of interconnected (directly or indirectly), coupled lighting panels is provided, the coupled lighting panels linked to one another such that various shapes and designs can be created using various arrangements of the coupled lighting panels, the lighting panels of some embodiments adapted to avoid dark spots proximate to lighting circuitry disposed therein. The lighting panels can be luminaires, and may be provided in various geometric shapes, having various dimensionalities (e.g., a flat 2 dimensional shape, or a 3 dimensional shape). Various control systems, connectors, housings, frames, and lighting systems are also described.

The present application discloses a dual-color laser light source and a laser projector. In the laser light source, a light combining component is used to transmit a first blue laser to a fluorescent wheel, and the first blue laser irradiates a green fluorescent region to generate green fluorescence to be reflected to a light collecting component; the light combining component is also used to transmit second blue laser to the light collecting component; the light combining component is also used to reflect a red laser which is emitted by a red laser transmitter and transmitted by the transmission region to the light collecting component. The light path system of the present application is simple and has a small volume.

A liquid crystal display includes a liquid crystal display panel, a backlight and a cover. The backlight includes optical sheets that are configured to be mounted to the cover using a plurality of holes provided on the optical sheet that material to corresponding protrusions provided on the cover. The holes and protrusions are configured to reduce damage or misalignment to the optical sheet that may be caused by heat generated inside the liquid crystal display.

A waveguide display disposed in glasses includes a first pupil expander assembly operable to project a first image defined by a first field of view and a second pupil expander assembly disposed adjacent the first pupil expander assembly and operable to project a second image defined by a second field of view different from the first field of view.

A lighting system includes a light source and a lightguide. The lightguide has a first edge disposed adjacent the light source to receive light from the light source and a second edge on a side opposite to the first edge, the second edge configured to emit at least a portion of the received light. The lightguide also has a first major surface and a second major surface that extend between the first edge and the second edge and that are on opposite sides of the lightguide. The first major surface and the second major surface internally reflect at least a portion of the received light. The lightguide consists of a first optical material and a second optical material, wherein the first optical material is disposed at the first edge adjacent to the light source and has a higher temperature rating than a second optical material.