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- Shadow_mask abstract "The shadow mask is one of the technologies used to manufacture cathode ray tube (CRT) televisions and computer displays that produce color images. Another approach is the aperture grille, better known by its trade name, Trinitron. All early color televisions and the majority of CRT computer monitors used shadow mask technology. Both of these technologies are largely obsolete, having been increasingly replaced since the 1990s by the liquid-crystal display (LCD).A shadow mask is a metal plate punched with tiny holes that separate the colored phosphors in the layer behind the front glass of the screen. Three electron guns at the back of the screen sweep across the mask, with the beams only reaching the screen if they pass through the holes. As the guns are physically separated at the back of the tube, their beams approach the mask from three slightly different angles, so after passing through the holes they hit slightly different locations on the screen. The screen is patterned with dots of colored phosphor positioned so that each can only be hit by one of the beams coming from the three electron guns. For instance, the blue phosphor dots are hit by the beam from the "blue gun" after passing through a particular hole in the mask. The other two guns do the same for the red and green dots. This arrangement allows the three guns to address the individual dot colors on the screen, even though their beams are much too large and too poorly aimed to do so without the mask in place.The red, green, and blue phosphors for each pixel are generally arranged in a triangular shape (sometimes called a "triad"). For television use, modern displays (starting in the late 1960s) use rectangular slots instead of circular holes, improving brightness.".
- Shadow_mask thumbnail Lochmaske.JPG?width=300.
- Shadow_mask wikiPageExternalLink books?id=TOMOmmrvwCcC&pg=PA40.
- Shadow_mask wikiPageExternalLink books?id=sCADAAAAMBAJ&pg=PA80.
- Shadow_mask wikiPageExternalLink details.asp?ArticleID=515.
- Shadow_mask wikiPageExternalLink q27_page.html.
- Shadow_mask wikiPageID "172533".
- Shadow_mask wikiPageRevisionID "605326950".
- Shadow_mask hasPhotoCollection Shadow_mask.
- Shadow_mask subject Category:Cathode_ray_tube.
- Shadow_mask comment "The shadow mask is one of the technologies used to manufacture cathode ray tube (CRT) televisions and computer displays that produce color images. Another approach is the aperture grille, better known by its trade name, Trinitron. All early color televisions and the majority of CRT computer monitors used shadow mask technology.".
- Shadow_mask label "Lochmaske".
- Shadow_mask label "Maska kineskopu".
- Shadow_mask label "Máscara de sombra".
- Shadow_mask label "Shadow mask".
- Shadow_mask label "Shadow mask".
- Shadow_mask label "Теневая маска".
- Shadow_mask label "シャドーマスク".
- Shadow_mask sameAs Lochmaske.
- Shadow_mask sameAs Máscara_de_sombra.
- Shadow_mask sameAs Shadow_mask.
- Shadow_mask sameAs シャドーマスク.
- Shadow_mask sameAs 그림자_마스크.
- Shadow_mask sameAs Maska_kineskopu.
- Shadow_mask sameAs m.01771j.
- Shadow_mask sameAs Q1192335.
- Shadow_mask sameAs Q1192335.
- Shadow_mask wasDerivedFrom Shadow_mask?oldid=605326950.
- Shadow_mask depiction Lochmaske.JPG.
- Shadow_mask isPrimaryTopicOf Shadow_mask.