3results about How to "Uniform light output" patented technology

The utility model relates to a kind of surface light emitting optical systems, including LED light source component, support and at least one light guide plate, the LED light source component and any light guide plate are installed on the support;Any the end face of the light guide plate is light entrance, and the side surface is respectively light exit and back surface opposite to light exit;Multiple recesses in sheet shape are arranged on the back surface;The light emitted by the LED light source component can enter light guide plate from light entrance, and uniform emission is carried out to light exit after the concave reflection of the recess, then uniform emission is carried out from light exit;Compared with prior art, the utility model uniform emission is carried out to light exit, and avoids part of light loss, improves light efficiency, reduces energy consumption.

The utility model discloses a waterproof slanting light anti -dazzle wall washer lamp belongs to wall washer lamp technical field, include: wall washer lamp body, the inside wall of wall washer lamp body is seted up and inserts the slot, and the inner chamber of wall washer lamp body is provided with circuit mainboard, and the side of circuit mainboard is seted up with a plurality of location recess, and the location recess is welded with the light source circuit board, and the upper portion of light source circuit board is installed with wall washer light source, integral type horizontal anti -dazzle grid, the surface is provided with a plurality of groups equidistance arrangement horizontal anti -dazzle stripe, and each group horizontal anti -dazzle stripe contains a plurality of horizontal anti -dazzle stripes, and is seted up in the insert slot, integral type vertical anti -dazzle grid, the surface is provided with a plurality of groups equidistance arrangement vertical anti -dazzle stripe, and each group vertical anti -dazzle stripe contains a plurality of vertical anti -dazzle stripes, also seted up in the insert slot, two waterproof silica gel rings, this wall washer lamp can select the anti -dazzle direction, and can realize the different light slanting degree through the inclination of the location recess on the circuit mainboard, and is more flexible.

This invention discloses a strip defect detection light source and defect detection device. The strip defect detection light source includes a lamp bead, a first transmitting element, a second transmitting element, and a reflector. The first transmitting element includes a first light-inlet surface and a first light-outlet surface. The first light-inlet surface is convex, and the lamp bead is located at the focal point of the first light-inlet surface. The first light-outlet surface includes alternating first flat portions and first concave portions, with the concave portion of the first concave portion facing the centerline of the first light-outlet surface. The second transmitting element is fixed on both sides of the first transmitting element and surrounds the light-emitting side of the lamp bead. There are two reflectors, each fixed to one side of the two second transmitting elements away from the first transmitting element. This invention achieves directional refraction through the first concave portion, guiding the light from the central region of the light source to both sides in an orderly manner, effectively supplementing the light amount in the lateral regions, and achieving uniform light output across the entire area. At the same time, it maintains high directivity of the light throughout the process, avoiding interference from diffuse light with the imaging effect of defect detection.