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2. Standard illuminant - Wikipedia

   en.wikipedia.org/wiki/Standard_illuminant

   Illuminants A, B, and C were introduced in 1931, with the intention of respectively representing average incandescent light, direct sunlight, and average daylight. Illuminants D (1967) represent variations of daylight, illuminant E is the equal-energy illuminant, while illuminants F (2004) represent fluorescent lamps of various composition.

3. High-CRI LED lighting - Wikipedia

   en.wikipedia.org/wiki/High-CRI_LED_lighting

   An incandescent light bulb has a CRI of 100. [1] High-CRI LED lighting is a light-emitting diode (LED) lighting source that offers a high color rendering index (CRI). CRI is a quantitative measure of a light's ability to reproduce the colors of objects faithfully in comparison with an ideal or natural light source.

4. Color rendering index - Wikipedia

   en.wikipedia.org/wiki/Color_rendering_index

   Researchers use daylight as the benchmark to which to compare color rendering of electric lights. In 1948, daylight was described as the ideal source of illumination for good color rendering because "it (daylight) displays (1) a great variety of colors, (2) makes it easy to distinguish slight shades of color, and (3) the colors of objects around us obviously look natural".

5. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...

6. Category:Types of lamp - Wikipedia

   en.wikipedia.org/wiki/Category:Types_of_lamp

   Incandescent light bulbs (18 P) L. LED lamps (12 P) O. Oil lamp (17 P) S. Searchlights (11 P) Signalling lights (1 C, 7 P) Pages in category "Types of lamp"

7. List of automotive light bulb types - Wikipedia

   en.wikipedia.org/wiki/List_of_automotive_light...

   1 12 v: 13 w pc16w pu20d-1 1 12 v: 16 w ansi № 7010 pcr16w pu20d-7 1 12 v: 16 w red pw16w wp3.3×14.5-8 1 12 v: 16 w ansi № 7445 pwr16w wp3.3×14.5-10 1 12 v: 16 w red pwy16w wp3.3×14.5-9 1 12 v: 16 w amber, ansi № 7448 ps19w pg20-1 1 12 v: 19 w ansi № 5201 psy19w pg20-2 1 12 v: 19 w amber, ansi № 2502 pw19w wp3.3×14.5-1 1 12 v: 19 w