Various exemplary implementations of light emitting diode (LED) based illumination products and methods are disclosed including, but not limited to, glow sticks, key chains, toys, balls, various game accessories, light bulbs, night lights, wall lights, wall switches, wall sockets, wall panels, modular lights, flexible lights, automotive lights, wearable accessories, light ropes, decorative lights such as icicles and icicle strings, light tubes, insect control lights and methods, and lighted air fresheners/scent dispensers. Any of the foregoing devices may be equipped with various types of user interfaces (both "local" and "remote") to control light generated from the device. Additionally, devices may be controlled via light control information or programs stored in device memory and/or transmitted or downloaded to the devices ( e.g., devices may be controlled individually or collectively in groups via a network, glow sticks or other products may be downloaded with programming information that is stored in memory , etc. ). Devices also may include sensors so that the generated light may change in response to various operating and/or environmental conditions or a user input. Various optical processing devices which may be used with any of the devices (e.g., reflectors, diffusers, etc.) also are disclosed.L'invention concerne de nombreuses mises en oeuvres exemplaires de produits et de procédés d'éclairage à diodes électroluminescentes (DEL), parmi lesquels figurent notamment : des bâtons luminescents, des chaînes porte-clés, des jouets, des balles, divers accessoires de jeu, des ampoules électriques, des veilleuses, des lampes murales, des panneaux lumineux, des interrupteurs muraux, des prises murales, des lampes modulaires, des lampes flexibles, des lampes d'automobiles, des accessoires prêt à porter, des câbles d'éclairage, des lampes de décoration telles que des glaçons et des chaînes de glaçons, des tubes lumineux, des lampes anti-insectes et leurs procédés, et d
