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US 6,144,149 AGranted
Cathode ray tube
AssigneeSamsung Display Devices Co., Ltd.
InventorsHae-su Youn, Jin-woo Park
Life of this patent
Estimating the term…
Abstract
In a cathode ray tube, a shadow mask has a hole portion where a plurality of electron beam passing holes are formed and a skirt portion extending from the edge of the hole portion. A frame has a support portion to which the skirt portion of the shadow mask is fixed for supporting the shadow mask and a flange portion extending from the support portion. The support portion and the flange portion have a plurality of holes formed therein. An inner shield is supported by the frame.
Claims4
A cathode ray tube comprising:
- a shadow mask having a hole portion where a plurality of electron beam passing holes are formed and a skirt portion extending from the edge of said hole portion;
- a frame having a support portion to which said skirt portion of said shadow mask is fixed for supporting said shadow mask and a flange portion extending from said support portion, said support portion and said flange portion having a plurality of holes formed therein;
- and
- an inner shield supported by said frame.
1 more element
Dependencies are inferred from the claim text.