Cathode ray tube having mask assembly for displaying clearer images

Cathode ray tube having mask assembly for displaying clearer images

1. Technical Field A mask assembly is formed to have a tension mask with a screen part for transmitting electron beams. The mask assembly is intended for use with a cathode ray tube. The screen part includes real slots, dummy slots, real bridges, dummy bridges, and strip parts. The screen part has a...

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Hauptverfasser: Chun, Sang-Ho, Lee, Jun-Jong, Ko, Hyang-Jin, Lee, Jong-Han
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Sprache:eng
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creator Chun, Sang-Ho
Lee, Jun-Jong
Ko, Hyang-Jin
Lee, Jong-Han
description 1. Technical Field A mask assembly is formed to have a tension mask with a screen part for transmitting electron beams. The mask assembly is intended for use with a cathode ray tube. The screen part includes real slots, dummy slots, real bridges, dummy bridges, and strip parts. The screen part has a first portion and a second portion. The first portion has real bridges, dummy bridges, and dummy slots. The second portion has real bridges and real slots, but no dummy bridges and no dummy slots. The second portion of the screen part can be said to be associated with a center region that traditionally has degraded images due to undesired black lines. The second portion of the screen part is formed to have real bridges, real slots, no dummy bridges, and no dummy slots in order to provide improved clarity. The mask assembly has a tension mask which extends in either a longitudinal or transverse direction, and a mask frame for reinforcing the structural strength while maintaining an extended state of the tension mask.
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Technical Field A mask assembly is formed to have a tension mask with a screen part for transmitting electron beams. The mask assembly is intended for use with a cathode ray tube. The screen part includes real slots, dummy slots, real bridges, dummy bridges, and strip parts. The screen part has a first portion and a second portion. The first portion has real bridges, dummy bridges, and dummy slots. The second portion has real bridges and real slots, but no dummy bridges and no dummy slots. The second portion of the screen part can be said to be associated with a center region that traditionally has degraded images due to undesired black lines. The second portion of the screen part is formed to have real bridges, real slots, no dummy bridges, and no dummy slots in order to provide improved clarity. 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Technical Field A mask assembly is formed to have a tension mask with a screen part for transmitting electron beams. The mask assembly is intended for use with a cathode ray tube. The screen part includes real slots, dummy slots, real bridges, dummy bridges, and strip parts. The screen part has a first portion and a second portion. The first portion has real bridges, dummy bridges, and dummy slots. The second portion has real bridges and real slots, but no dummy bridges and no dummy slots. The second portion of the screen part can be said to be associated with a center region that traditionally has degraded images due to undesired black lines. The second portion of the screen part is formed to have real bridges, real slots, no dummy bridges, and no dummy slots in order to provide improved clarity. 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title Cathode ray tube having mask assembly for displaying clearer images
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