JPH0425150U - - Google Patents
Info
- Publication number
- JPH0425150U JPH0425150U JP6643290U JP6643290U JPH0425150U JP H0425150 U JPH0425150 U JP H0425150U JP 6643290 U JP6643290 U JP 6643290U JP 6643290 U JP6643290 U JP 6643290U JP H0425150 U JPH0425150 U JP H0425150U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- fluorescent discharge
- caps
- lamp according
- electrode
- 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
- 239000000463 material Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
第１図は本考案の一実施例に係る蛍光放電灯の
断面図、第２図は本考案の他の実施例に係る蛍光
放電灯の断面図である。
１……バルブ、２……蛍光体被膜、３……キヤ
ツプ、５……凹部、７……電極、９……電子放射
物質及び水銀放出合金、１３……キヤツプ、１５
……凹部、１７……電極、１９……電子放射物質
及び水銀放出合金。
FIG. 1 is a cross-sectional view of a fluorescent discharge lamp according to one embodiment of the present invention, and FIG. 2 is a cross-sectional view of a fluorescent discharge lamp according to another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Bulb, 2... Phosphor coating, 3... Cap, 5... Recess, 7... Electrode, 9... Electron emitting material and mercury emitting alloy, 13... Cap, 15
... recess, 17 ... electrode, 19 ... electron emitting material and mercury emitting alloy.
Claims (1)
、奥部に電極を備えて成る凹部を持つキヤツプを
対向配置して成る蛍光放電灯において、 前記キヤツプは、少なくとも放電空間への露出
面が非金属で成るものであることを特徴とする蛍
光放電灯。 ２ 前記キヤツプは、セラミツク又は焼結ガラス
によつて形成されて成るものである請求項１記載
の蛍光放電灯。 ３ 前記凹部の奥に配置された電極表面を電子放
射物質又はそれを含む物質で被覆して成るもので
ある請求項１又は２記載の蛍光放電灯。[Claims for Utility Model Registration] 1. A fluorescent discharge lamp comprising a bulb having a phosphor coating on its inner surface, and caps each having a concave portion with an electrode in the inner part facing each other at both ends, the caps having at least the following features: A fluorescent discharge lamp characterized in that a surface exposed to a discharge space is made of a nonmetallic material. 2. The fluorescent discharge lamp according to claim 1, wherein the cap is made of ceramic or sintered glass. 3. The fluorescent discharge lamp according to claim 1 or 2, wherein the surface of the electrode located deep within the recess is coated with an electron-emitting substance or a substance containing the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6643290U JPH0425150U (en) | 1990-06-22 | 1990-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6643290U JPH0425150U (en) | 1990-06-22 | 1990-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0425150U true JPH0425150U (en) | 1992-02-28 |
Family
ID=31599147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6643290U Pending JPH0425150U (en) | 1990-06-22 | 1990-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425150U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6463257A (en) * | 1987-09-02 | 1989-03-09 | Tdk Corp | Discharge lamp device |
-
1990
- 1990-06-22 JP JP6643290U patent/JPH0425150U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6463257A (en) * | 1987-09-02 | 1989-03-09 | Tdk Corp | Discharge lamp device |
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