JPS5986653U

JPS5986653U - Cathode ray tube for projection

Info

Publication number: JPS5986653U
Application number: JP18188682U
Authority: JP
Inventors: 対馬　一哉
Original assignee: 株式会社東芝
Priority date: 1982-12-02
Filing date: 1982-12-02
Publication date: 1984-06-12

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の投写用陰極線管の概略構成を示す要部の
断面図、第２図及び第３図は第１図の従来例の組立て方
法を説明するための要部の概略模式図、第４図は本考案
の一実施例を示す要部の概略構成図である。１・・曲フェースプレート１．２・・曲ファンネル、　
　　　３・・・・・・ネック、４・・・・・・螢光膜、
５・・・・・・金属膜、６・・・・・・螢光面、７・・
・・・・導電性部材、８・・・・・・充填材、９・・・
・・・プレート板、１０・・・・・・ラグ構体、１１・
・・・・・ラグ、１２・・・・・・粘着テープ、１３・
・・・・・凸部、１４・・・・・・段部。FIG. 1 is a sectional view of the main parts showing the general structure of a conventional projection cathode ray tube, and FIGS. 2 and 3 are schematic diagrams of the main parts for explaining the assembly method of the conventional example shown in FIG. FIG. 4 is a schematic diagram of the main parts of an embodiment of the present invention. 1...Tune face plate 1.2...Tune funnel,
3... Neck, 4... Fluorescent film,
5... Metal film, 6... Fluorescent surface, 7...
... Conductive member, 8... Filler, 9...
...Plate board, 10...Lug structure, 11.
...Rag, 12...Adhesive tape, 13.
...Convex portion, 14...Stepped portion.

Claims

[Scope of utility model registration request]

A plate plate disposed along the outer surface of a face plate having a fluorescent surface on its inner surface, and a mesh-shaped or blind-shaped conductive member with a filler interposed between the face plate and the plate plate. In a cathode ray tube for projection, which is arranged so as not to impair the quality of the image drawn on the effective scanning surface of the fluorescent surface, the thickness in the tube axial direction of a region of the face plate that includes at least the effective scanning surface; has a thin wall portion that is thinner than the tube axial direction thickness of the outer peripheral portion of the face plate outside the effective scanning plane, the outer diameter of the plate plate has a shape corresponding to the thin wall portion, and the outer surface of the face beret The projection cathode ray tube, wherein the conductive member along the face plate is thermally and electrically connected to the heat dissipation structure disposed outside the face plate.