Abstract: A surface mountable reflector suitable for packaging in a tape and reel format for positioning on a circuit substrate using pick-and-place robotics, and attachment using a solder reflow mounting technique, includes a metal sheet stamped to provide an all metal structure having a plurality of reflector surfaces having lower edges, and mounting pads that extend below the lower edges and outwardly of the reflector surfaces. The surface mountable reflectors are usable in a radiation emitting diode assembly including a diode solder-mounted to the circuit substrate with the surface mountable reflector affixed to the circuit substrate.

Abstract: A surface mountable reflector suitable for packaging in a tape and reel format for positioning on a circuit substrate using pick-and-place robotics, and attachment using a solder reflow mounting technique, includes a metal sheet stamped to provide an all metal structure having a plurality of reflector surfaces having lower edges, and mounting pads that extend below the lower edges and outwardly of the reflector surfaces. The surface mountable reflectors are usable in a radiation emitting diode assembly including a diode solder-mounted to the circuit substrate with the surface mountable reflector affixed to the circuit substrate.

Abstract: A surface mountable reflector for use with a surface-emitting diode (e.g., LED) includes at least one side wall, a roof, and a mounting pad extending from at least one side wall to facilitate mounting of the surface mountable reflector to a circuit substrate, with the roof of the surface mountable reflector disposed over a diode mounted on the circuit substrate, whereby simulation of an edge-emitting diode is achieved.

Abstract: An optical surface-mount device has a dielectric body and a solderable support connected with the dielectric body to facilitate solder reflow mounting of the device to a printed circuit board. The device can include a reflector or other functional features that enhance or protect the functionality of an electronic component mounted on the same printed circuit board.

Abstract: An optical surface-mount device has a dielectric body and a solderable support connected with the dielectric body to facilitate solder reflow mounting of the device to a printed circuit board. The device can include a reflector or other functional features that enhance or protect the functionality of an electronic component mounted on the same printed circuit board.

Abstract: An optical surface-mount device has a silicone lens member and a solderable support connected with the silicone lens member to facilitate solder reflow mounting of the device to a printed circuit board.

Abstract: A lens member for an LED lighting fixture having a plurality of LED dies mounted on a substrate includes a planar frame having a plurality of apertures and an optically transparent silicone rubber overmolded on a first side of the frame. The overmolded silicone rubber defines a plurality of optical elements. Each optical element is disposed within one of the apertures and is shaped to focus or redirect light transmitted through the optical element.

Abstract: A decorative optical element that has an appearance of a glass optical element includes an optically transparent body having a faceted globular portion defined by a solid volume of polymeric material. A luminaire, such as for a street light, employs the decorative optical element and an LED circuit board mounted to the circuit board.

Abstract: A one-piece molded lens member for use with a plurality of LEDs in a luminaire includes a generally planar base portion having an upper surface and a lower surface and a plurality of optical structures arranged in rows and columns on the base portion, each optical structure having a hemispheroidal section extending upwardly from the upper surface of the base portion and a first hemicylindrical section extending upwardly from the lower surface of the base portion and from a side of the hemispheroidal section, the optical structure having upper surfaces contiguous with the upper surfaces of the base portion.

Abstract: A decorative optical element that has an appearance of a glass optical element includes an optically transparent body having a faceted globular portion defined by a solid volume of polymeric material. A luminaire, such as for a street light, employs the decorative optical element and an LED circuit board mounted to the circuit board.

Abstract: A camera flash is provided with a lens element adjacent a light source, wherein the lens element has a plurality of concentric ridges projecting from a surface of the generally planar member to define facets of a Fresnel lens, and wherein the plurality of concentric ridges define a generally square or rectangular shape having rounded corners.

Abstract: An optical element for uniformly dispersing light from a plurality of linearly aligned LEDs includes a body made of a transparent polymeric material, in which the body has a longitudinally extending center portion having a transverse cross-sectional profile that is uniform along the length of the optical element, and legs extending away from opposite sides of the center portion and extending downwardly to define a recess. The center portion has a top surface and a bottom surface that together define a longitudinally extending lens portion that collects light from the LEDs and refracts the light to produce a desired beam pattern. Uniformly and closely spaced apart transverse grooves can be provided on the top surface of the longitudinally extending lens portion to uniformly spread light on an illuminated surface and eliminate the appearance of dark and light areas on the lens portion when it is illuminated by the LEDs.

Abstract: A one-piece molded lens member for use with a plurality of LEDs in a luminaire includes a generally planar base portion having an upper surface and a lower surface and a plurality of optical structures arranged in rows and columns on the base portion, each optical structure having a hemispheroidal section extending upwardly from the upper surface of the base portion and a first hemicylindrical section extending upwardly from the lower surface of the base portion and from a side of the hemispheroidal section, the optical structure having upper surfaces contiguous with the upper surfaces of the base portion.

Abstract: A camera flash is provided with a lens element adjacent a light source, wherein the lens element has a plurality of concentric ridges projecting from a surface of the generally planar member to define facets of a Fresnel lens, and wherein the plurality of concentric ridges define a generally square or rectangular shape having rounded corners.

Abstract: An optical element for use with a white LED to absorb blue light and re-emit warmer light is made of an admixture of an optically transmissive polymeric material, a first luminescent compound that predominantly absorbs light at wavelengths between 380 nm and 580 nm and predominantly re-emits light at wavelengths between 620 nm and 740 nm, and a second luminescent compound that predominantly absorbs light at wavelengths between 380 nm and 490 nm and predominantly re-emits light at wavelengths between 495 nm and 590 nm. The optical element, which may be a lens for defracting light into a desired beam pattern, eliminates substantially all blue light emitted from the white LED and re-emits a warmer light having a color temperature below 3000 Kelvin and a color rendering index (CRI) above 80.

Abstract: An optical element for uniformly dispersing light from a plurality of linearly aligned LEDs includes a body made of a transparent polymeric material, in which the body has a longitudinally extending center portion having a transverse cross-sectional profile that is uniform along the length of the optical element, and legs extending away from opposite sides of the center portion and extending downwardly to define a recess. The center portion has a top surface and a bottom surface that together define a longitudinally extending lens portion that collects light from the LEDs and refracts the light to produce a desired beam pattern. Uniformly and closely spaced apart transverse grooves can be provided on the top surface of the longitudinally extending lens portion to uniformly spread light on an illuminated surface and eliminate the appearance of dark and light areas on the lens portion when it is illuminated by the LEDs.

Abstract: A backlit sign exhibiting a uniform illumination intensity pattern is achieved in a structure having a light transmissive front panel, a back panel, and a plurality of backlight modules disposed on a surface of the back panel that faces the front panel, wherein the backlight modules are spaced apart in an array, and each module includes at least one LED and a lens member having a lens portion that collects light from the LED and redirects the light into a generally square illumination pattern on the front panel.

Abstract: A luminaire having an array of light emitting diodes on a circuit board, and a generally planar lens element adjacent each of the LEDs, wherein each lens element has a plurality of concentric ridges projecting from a surface of the lens member to define Fresnel facets for redirecting light emitted from the corresponding LED, providing more uniform light distribution in a compact configuration.

Abstract: A luminaire having an array of light emitting diodes on a circuit board, and a generally planar lens element adjacent each of the LEDs, wherein each lens element has a plurality of concentric ridges projecting from a surface of the lens member to define Fresnel facets for redirecting light emitted from the corresponding LED, providing more uniform light distribution in a compact configuration.

Abstract: A backlit sign exhibiting a uniform illumination intensity pattern is achieved in a structure having a light transmissive front panel, a back panel, and a plurality of backlight modules disposed on a surface of the back panel that faces the front panel, wherein the backlight modules are spaced apart in an array, and each module includes at least one LED and a lens member having a lens portion that collects light from the LED and redirects the light into a generally square illumination pattern on the front panel.