JPH0397853U - - Google Patents
Info
- Publication number
- JPH0397853U JPH0397853U JP502890U JP502890U JPH0397853U JP H0397853 U JPH0397853 U JP H0397853U JP 502890 U JP502890 U JP 502890U JP 502890 U JP502890 U JP 502890U JP H0397853 U JPH0397853 U JP H0397853U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- pair
- contact lead
- cathode
- display tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
同実施例における寿命テストの結果を例示する図
、第３図は従来のＦＬＶＦＤを示す断面図である
。
１……前面発光形蛍光表示管（ＦＬＶＦＤ）、
２……外囲器、３……基板、４……陽極導体、５
……蛍光体層、６……陽極、８……陰極支持体、
９……陰極、１１……黒鉛電極層（黒鉛層）、１
２……コンタクトリード。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a diagram illustrating the results of a life test in the same embodiment, and FIG. 3 is a sectional view of a conventional FLVFD. 1...Front-emitting fluorescent display tube (FLVFD),
2...Envelope, 3...Substrate, 4...Anode conductor, 5
...phosphor layer, 6 ... anode, 8 ... cathode support,
9... Cathode, 11... Graphite electrode layer (graphite layer), 1
2...Contact lead.
Claims (1)
の内表面に設けられた透光性の陽極導体及び該陽
極導体に設けらえた蛍光体層を有する陽極と、前
記基板の内表面に設けられた一対の陰極支持体と
、前記陽極に対面するように前記一対の陰極支持
体間に張設された陰極とを具備し、前記陽極での
発光を前記基板を通して観察する前面発光形蛍光
表示管において、 前記一対の陰極支持体の各々にそれぞれ一体に
設けられたコンタクトリードと、前記基板と対面
する背面板の内表面に配設されて前記各コンタク
トリードと接触する黒鉛電極層とによつて拡散電
極が構成されたことを特徴とする前面発光形蛍光
表示管。 (2) 前記拡散電極において、前記一対の陰極支
持体の各々に設けられた各コンタクトリード間の
抵抗値が１ＫΩ〜１０ＭΩの範囲内にある請求項
１記載の前面発光形蛍光表示管。[Claims for Utility Model Registration] (1) An envelope having a transparent substrate, a transparent anode conductor provided on the inner surface of the substrate, and a phosphor layer provided on the anode conductor. a pair of cathode supports provided on an inner surface of the substrate; and a cathode stretched between the pair of cathode supports so as to face the anode, In a front-emitting fluorescent display tube in which the image is observed through the substrate, a contact lead is provided integrally with each of the pair of cathode supports, and a contact lead is provided on the inner surface of the back plate facing the substrate, A front-emitting fluorescent display tube characterized in that a diffusion electrode is constituted by a contact lead and a graphite electrode layer in contact with the contact lead. (2) The front-emitting fluorescent display tube according to claim 1, wherein in the diffusion electrode, a resistance value between each contact lead provided on each of the pair of cathode supports is within a range of 1KΩ to 10MΩ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP502890U JPH0397853U (en) | 1990-01-25 | 1990-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP502890U JPH0397853U (en) | 1990-01-25 | 1990-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0397853U true JPH0397853U (en) | 1991-10-09 |
Family
ID=31508751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP502890U Pending JPH0397853U (en) | 1990-01-25 | 1990-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0397853U (en) |
-
1990
- 1990-01-25 JP JP502890U patent/JPH0397853U/ja active Pending
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