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2. Blacklight - Wikipedia

   en.wikipedia.org/wiki/Blacklight

   Blacklight fluorescent tubes. The violet glow of a blacklight is not the UV light itself, but visible light that escapes being filtered out by the filter material in the glass envelope. A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave ultraviolet light and very little visible light.

3. Blacklight poster - Wikipedia

   en.wikipedia.org/wiki/Blacklight_poster

   Two examples of fluorescent blacklight bulbs with light fixtures and packaging and a novelty incandescent bulb. Although blacklights date to 1903 with the development of the optical filter glass Wood's glass, fluorescent ink was not developed until 1932 when the Switzer brothers were inspired by a Popular Science magazine article to experiment in their father's pharmacy.

4. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   One-color light is well suited for traffic lights and signals, exit signs, emergency vehicle lighting, ships' navigation lights, and LED-based Christmas lights Because of their long life, fast switching times, and visibility in broad daylight due to their high output and focus, LEDs have been used in automotive brake lights and turn signals.

5. Wood's glass - Wikipedia

   en.wikipedia.org/wiki/Wood's_glass

   Two "black-light" ultraviolet fluorescent tubes. The glass envelopes illustrate the dark blue color of Wood's glass, although these modern tubes actually use another optical filtering material. Wood's glass is an optical filter glass invented in 1903 by American physicist Robert Williams Wood (1868–1955), which allows ultraviolet and infrared ...

6. Luminous paint - Wikipedia

   en.wikipedia.org/wiki/Luminous_paint

   Fluorescent body paint under a black light. Fluorescent paints 'glow' when exposed to short-wave ultraviolet (UV) radiation. These UV wavelengths are found in sunlight and many artificial lights, but the paint requires a special black light to view so these glowing-paint applications are called 'black-light effects'.

7. Backlight - Wikipedia

   en.wikipedia.org/wiki/Backlight

   LED backlighting in color screens comes in two varieties: white LED backlights and RGB LED backlights. [10] White LEDs are used most often in notebook computers and desktop screens, and make up virtually all mobile LCD screens. A white LED is typically a blue LED with broad spectrum yellow phosphor to result in the emission of white light ...