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US 2006/0232181 A1Published application
Shadow mask for Cathode Ray Tube (CRT)
OwnerDo-Hun Pyun, Chan-Yong Kim +1inventors
InventorsDo-Hun Pyun, Chan-Yong Kim, Soon-Dong Jeong
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Abstract
A shadow mask for a Cathode Ray Tube (CRT) facilitates high resolution with enhanced impact resistance and minimized thickness. The shadow mask has an effective screen portion with a plurality of beam passage holes arranged in a predetermined pattern, and a non-holed portion surrounding the effective screen portion with no beam passage holes., The vertical pitch of the beam passage holes is in the range of 0.4-0.5 mm, and the thickness of the shadow mask is in the range of 0.15-0.2 mm.
Claims9
A shadow mask for a Cathode Ray Tube (CRT), comprising:
- an effective screen portion including a plurality of beam passage holes arranged in a predetermined pattern;
- and
- a non-holed portion surrounding the effective screen portion and including no beam passage holes;
- wherein the vertical pitch of the beam passage holes is in the range of 0.4-0.5 mm.
1 more element
A Cathode Ray Tube (CRT), comprising:
- a panel having a phosphor film on an inner surface thereof;
- a funnel attached to the panel;
- a neck attached to the funnel;
- an electron gun arranged within the neck to emit electron beams;
- a deflection yoke arranged around an outer circumference of the funnel to deflect electron beams emitted by the electron gun;
- and
- a shadow mask arranged within the panel to color-selectively pass the electron beams emitted by the electron gun, the shadow mask including an effective screen portion having a plurality of beam passage holes arranged in a predetermined pattern, and a non-holed portion surrounding the effective screen portion and having no beam passage holes;
- wherein a vertical pitch of the beam passage holes is in the range of 0.4-0.5 mm, and a thickness of the shadow mask is in the range of 0.15-0.2 mm.
5 more elements
Dependencies are inferred from the claim text.