Color print advertisement for RCA rare-earth Hi-Lite Color Television Picture Tubes. The advertisement includes several images of the picture tubes as well as the product packaging. The text describes RCA's Hi-Lite Line, their most recent line of television products at the time, and stresses Hi-Lite's superiority to other picture tubes due to their brightness, high contrast, and natural colors. The tubes contain a rare-earth red phosphor, Europium-Activated Yttrium Oxysulfide, for enhanced, brighter, and more efficient light.
In 1954, RCA produced some of the first picture tubes, also known as cathode ray tubes (CRTs), but it wasn't until 1963 that the first rectangular color CRTs were offered to the public. Phosphors used in CRTs were classified according to color, persistence, luminance, intended use, chemical composition, safety, and other properties. In 1965, brighter rare earth phosphors began replacing dimmer, cadmium-containing red and green phosphors. Eventually, blue phosphors were replaced as well. Examples of rare earth phosphors are yttrium oxide for red or yttrium silicide for blue.
The RCA Corporation, an American electronics company, was founded as the Radio Corporation of America in 1919. RCA was the dominant electronics and communications firm in the United States for over five decades. The company was a pioneer in the introduction and development of both black and white and color television.
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|No Copyright - United States
Radio Corporation of America. “RCA Rare-Earth Hi-Lite Color TV Picture Tubes for Every Smart Customer Who Wants a Superior Color Picture.” Paper (fiber product), 1966. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/x5tkoqt.
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RCA rare-earth Hi-Lite Color TV Picture Tubes for every smart customer who wants a superior color picture
RightsIn the United States
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