An LED package structure with multiple color temperatures includes a substrate, a circuit layer disposed on the substrate, a plurality of first LED chips and a plurality of second LED chips disposed on the circuit layer, and a light conversion layer disposed on the substrate and the circuit layer. The light conversion layer has a spiral surface arranged away from the substrate. The light conversion layer includes a first light conversion portion and a second light conversion portion arranged around a lateral side of the first light conversion portion. The color temperature of the first light conversion portion is different from that of the second light conversion portion. The first LED chips are embedded in the first light conversion portion, and the second LED chips are embedded in the second light conversion portion. Thus, the LED package structure provided by the instant disclosure has good production efficiency.

The present disclosure relates to a battery powered light. The light includes a removable battery pack and a base portion which receives the battery pack. A light section is operably connected to the base section. The light section includes a light generator which produces light. The light further includes a mount. The mount is movable so that the mount can attach to a variety of surfaces including at least a flat surface and a curved surface.

The invention provides a lighting device (1) comprising (i) a light source (10) configured to generate light source light (11), and (ii) a light converter (100) configured to convert at least part of the light source light (11) into visible converter light (121), wherein the light converter (100) comprises a polymeric host material (110) with light converter nanoparticles (120) embedded in the polymeric host material (110), wherein the polymeric host material (110) is based on radical polymerizable monomers, wherein the polymeric host material comprises a poly acrylate polymer and wherein the light converter nanoparticles (120) comprise Ag (silver) nanoparticles having mean dimensions below 3 nm.

A safety cover for use on a handrail, grab bar or peripheral edge of a fixture or object at a darkened location. The cover features a longitudinally split tubular member of resiliently flexible material and an illumination source carried thereby that is operable to provide illumination of the darkened location. The tubular member has a circumferential resiliency that biases two free edges of the tubular member toward one another from to automatically close up the longitudinal split, whereby the tubular member frictionally grips the rail, bar or peripheral edge over which it is placed. An illuminating floor mat or toilet lid cover features at least one longitudinally-shaped illumination member running along at least one peripheral edge of the mat or cover with one or more light-emitting areas of said longitudinally-shaped illumination member in a visually detectable position left unconcealed by the mat or cover.

A safety cover for use on a handrail, grab bar or peripheral edge of a fixture or object at a darkened location. The cover features a longitudinally split tubular member of resiliently flexible material and an illumination source carried thereby that is operable to provide illumination of the darkened location. The tubular member has a circumferential resiliency that biases two free edges of the tubular member toward one another from to automatically close up the longitudinal split, whereby the tubular member frictionally grips the rail, bar or peripheral edge over which it is placed. An illuminating floor mat or toilet lid cover features at least one longitudinally-shaped illumination member running along at least one peripheral edge of the mat or cover with one or more light-emitting areas of said longitudinally-shaped illumination member in a visually detectable position left unconcealed by the mat or cover.

The present invention generally relates to a photoluminescent activator apparatus, a photoluminescent composition, a method of making, and a method of using the activator and composition, and more particularly to a system and method to illuminate objects and/or materials. Accordingly, the invention is directed to photoluminescent activator, photoluminescent composition, method of making and using the same that substantially obviates one or more of the problems due to limitations and disadvantages of the related art.

A knife assembly includes a handle having a first and second handle portion each extending in spaced relationship with one another between a first and second knife end to define a working gap. A knife blade is pivotably secured to the second knife end and pivotable between a closed and engaged position. A switch button is interconnected to the handle for releasing the knife blade from the closed or engaged positions. A spacer is disposed within the working gap and extends between the first and second handle portions. A first vial of tritium is housed within the switch button and a second vial of tritium is housed within the spacer. The switch button defines an opening and the spacer is comprised of a transparent or translucent material for allowing tritium produced by the first and second tritium vials to be viewable by a user of the knife assembly.

A knife assembly includes a handle having a first and second handle portion each extending in spaced relationship with one another between a first and second knife end to define a working gap. A knife blade is pivotably secured to the second knife end and pivotable between a closed and engaged position. A switch button is interconnected to the handle for releasing the knife blade from the closed or engaged positions. A spacer is disposed within the working gap and extends between the first and second handle portions. A first vial of tritium is housed within the switch button and a second vial of tritium is housed within the spacer. The switch button defines an opening and the spacer is comprised of a transparent or translucent material for allowing tritium produced by the first and second tritium vials to be viewable by a user of the knife assembly.

A thumb stud for a folding knife assembly includes a body extending between a first end and a second end. A hollow passage extends between the ends, and a tritium vial is disposed within the hollow passage and extends between the first and second ends. A first lens is disposed within the hollow passage adjacent the first end and a second lens is disposed within the hollow passage adjacent the second end. The first and second lenses encapsulate the tritium vial within the hollow passage of the body and allow illumination produced by the tritium vial to be viewable through the first and second lenses to illuminate the thumb stud. In an alternative arrangement, the tritium vial can be replaced with a wafer which houses the tritium vial. In this arrangement, a pair of wafers are each disposed adjacent respective lenses at respective ends of the body.

A thumb stud for a folding knife assembly includes a body extending between a first end and a second end. A hollow passage extends between the ends, and a tritium vial is disposed within the hollow passage and extends between the first and second ends. A first lens is disposed within the hollow passage adjacent the first end and a second lens is disposed within the hollow passage adjacent the second end. The first and second lenses encapsulate the tritium vial within the hollow passage of the body and allow illumination produced by the tritium vial to be viewable through the first and second lenses to illuminate the thumb stud. In an alternative arrangement, the tritium vial can be replaced with a wafer which houses the tritium vial. In this arrangement, a pair of wafers are each disposed adjacent respective lenses at respective ends of the body.