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"Between 0.0001 and 0.00001 nits" "Sony claims an OLED contrast range of 1,000,000:1." [1] Peak luminosity Dependent on the anode voltage and area of the scanning region [citation needed] 200– 4,000 cd/m 2 [2] [3] 50– 200 cd/m 2 [citation needed] 100– 1500 cd/m 2 [4] often significantly varying based on average picture level [5] Color ...
Black and white TV CRTs and display tubes. P4 (Cd-free) ZnS:Ag+ZnS:Cu+Y 2 O 2 S:Eu White – – Short CRT Black and white TV CRTs and display tubes, Cd free. P5 CaWO 4:W Blue 430 nm – Very Short CRT Film P6 ZnS:Ag+ZnS:CdS:Ag White 565,460 nm – Short CRT P7 (Zn,Cd)S:Cu Blue with Yellow persistence 558,440 nm – Long CRT
TV: Yes DLP front-projection Flat (limited only by brightness) TV or presentation Yes LCoS self-contained rear-projection Flat 110 [13] 279 TV: Yes LCoS front-projection Flat (limited only by brightness) TV or presentation Yes Laser self-contained rear projection Flat lenticular: 75 [14] 191 TV: Yes LED: Flat 279.92 [15] 711 Billboards, TV: Yes ...
Phosphorescent materials continue to emit light for some time after the radiation stops. This difference in timing is a result of quantum spin effects. Fluorescence occurs when a photon of the incoming radiation is absorbed by a molecule exciting it to a higher energy level followed by emission of light as the molecule returns to a lower energy ...
The tint control is normally set by sight to create satisfactory skin tones in a picture. The range of adjustment typically allows these colors to be adjusted from a green to a magenta tint. Television sets produced in recent decades typically include a (sometimes non-defeatable) distortion of the color decoding spectrum, to minimize the visual ...
Phosphorescence is a type of photoluminescence related to fluorescence. When exposed to light (radiation) of a shorter wavelength, a phosphorescent substance will glow, absorbing the light and reemitting it at a longer wavelength. Unlike fluorescence, a phosphorescent material does not immediately reemit the radiation it absorbs.
Luminescence is a spontaneous emission of radiation from an electronically or vibrationally excited species not in thermal equilibrium with its environment. [ 1 ] A luminescent object emits cold light in contrast to incandescence , where an object only emits light after heating. [ 2 ]
Electrons change energy states by either resonantly gaining energy from absorption of a photon or losing energy by emitting photons. In chemistry-related disciplines, one often distinguishes between fluorescence and phosphorescence. The former is typically a fast process, yet some amount of the original energy is dissipated so that re-emitted ...