JPH0267554U - - Google Patents
Info
- Publication number
- JPH0267554U JPH0267554U JP14716188U JP14716188U JPH0267554U JP H0267554 U JPH0267554 U JP H0267554U JP 14716188 U JP14716188 U JP 14716188U JP 14716188 U JP14716188 U JP 14716188U JP H0267554 U JPH0267554 U JP H0267554U
- Authority
- JP
- Japan
- Prior art keywords
- bulb
- rare gas
- discharge lamp
- gas discharge
- phosphor
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Discharge Lamp (AREA)
Description
第１図Ａ，Ｂ，Ｃは本発明の一実施例である冷
陰極放電灯の部分平面断面図、部分正面断面図、
軸断面図、第２図は本実施例の冷陰極放電灯を高
周波インバータ１５に接続した状態を示す回路図
、第３図Ａ，Ｂ，Ｃは夫々外部電極を複数本持つ
本発明における他の実施例である冷陰極放電灯の
軸断面図、第４図は外部電極の作用により陽光柱
が引き寄せられて励起発光に寄与する部分にだけ
蛍光体被膜を形成し、実質的に励起発光に寄与し
ない位置の蛍光体被膜を不要にした構造を第１図
の冷陰極放電灯に適用した場合の軸断面図、第５
図は実質的に励起発光に寄与しない位置の蛍光体
被膜を不要にした構造を外部電極を１本持つアパ
ーチヤ型冷陰極放電灯に適用した場合の軸断面図
、第６図は実質的に励起発光に寄与しない位置の
蛍光体被膜を不要にした構造を反射性被覆を持た
ない冷陰極放電灯に適用した場合の軸断面図であ
る。
１…冷陰極放電灯、２…バルブ、３Ａ，３Ｂ，
４Ａ，４Ｂ…内部導入線、５…スリツト、６…反
射性被覆、７…蛍光体被膜、８…内部電極、９Ａ
，９Ｂ…内部電極、１３Ａ，１３Ｂ…外部電極、
１５…高周波インバータ、１６…直流電源、２０
…外部電極。
1A, B, and C are a partial plan sectional view and a partial front sectional view of a cold cathode discharge lamp which is an embodiment of the present invention;
2 is a circuit diagram showing the state in which the cold cathode discharge lamp of this embodiment is connected to a high frequency inverter 15, and FIGS. Fig. 4 is an axial cross-sectional view of a cold cathode discharge lamp as an example, in which a phosphor film is formed only in the area where the positive column is attracted by the action of the external electrode and contributes to excited light emission, and substantially contributes to excited light emission. Fig. 5 is an axial cross-sectional view of the cold cathode discharge lamp shown in Fig.
The figure shows an axial cross-sectional view of an aperture-type cold cathode discharge lamp with a single external electrode, which eliminates the need for a phosphor coating in positions that do not substantially contribute to excited light emission. FIG. 2 is an axial cross-sectional view of a cold cathode discharge lamp without a reflective coating, in which a structure that eliminates the need for a phosphor coating at a position that does not contribute to light emission is applied. 1...Cold cathode discharge lamp, 2...Bulb, 3A, 3B,
4A, 4B... Internal lead-in wire, 5... Slit, 6... Reflective coating, 7... Fluorescent coating, 8... Internal electrode, 9A
, 9B...internal electrode, 13A, 13B... external electrode,
15...High frequency inverter, 16...DC power supply, 20
...External electrode.
Claims (1)
バルブ内部に希ガスを充填し且つ内部電極を設け
た稀ガス放電灯であつて、少なくともバルブの一
端側には複数個の内部電極を設けると共に、夫々
の内部電極に対応させて陽光柱を蛍光体被膜に引
き寄せるための複数本の外部電極をバルブの外面
にその軸方向に沿つて帯状に離間形成した希ガス
放電灯。 ２ 上記バルブの外面側には、当該バルブの軸方
向にスリツトを残して反射性被覆を形成し、上記
外部電極を、反射性被覆のスリツト部とは反対側
に位置させてバルブの外面に形成して成る請求項
１記載の希ガス放電灯。 ３ 上記蛍光体被膜は、バルブを挾んで外部電極
と重なるように当該複数本の外部電極の全幅より
も僅かに幅広に形成され、蛍光体被膜がバルブ内
面を覆う面積を少なくした請求項１又は２記載の
希ガス放電灯。 ４ バルブの内面に蛍光体被膜を形成すると共に
バルブ内部に希ガスを封入し且つ内部電極を設け
、さらに、陽光柱を蛍光体被膜に引き寄せるため
の外部電極をバルブの外面にその軸方向に沿つて
帯状に形成した希ガス放電灯において、上記蛍光
体被膜を、バルブを挾んで外部電極と重なるよう
に当該外部電極の幅よりも僅かに幅広に形成し、
蛍光体被膜がバルブ内面を覆う面積を少なくした
希ガス放電灯。[Claims for Utility Model Registration] 1. A rare gas discharge lamp in which a phosphor film is formed on the inner surface of the bulb, the inside of the bulb is filled with a rare gas, and an internal electrode is provided, wherein at least one end of the bulb has a plurality of inner electrodes. A rare gas discharger is provided with several internal electrodes, and a plurality of external electrodes are formed spaced apart along the axial direction of the bulb on the outer surface of the bulb to draw a column of sunlight to the phosphor coating in correspondence with each internal electrode. electric light. 2. A reflective coating is formed on the outer surface of the bulb with a slit left in the axial direction of the bulb, and the external electrode is formed on the outer surface of the bulb at a position opposite to the slit portion of the reflective coating. The rare gas discharge lamp according to claim 1, comprising: 3. The phosphor coating is formed to be slightly wider than the total width of the plurality of external electrodes so as to sandwich the bulb and overlap with the external electrodes, thereby reducing the area covered by the phosphor coating on the inner surface of the bulb. 2. The rare gas discharge lamp described in 2. 4 A phosphor film is formed on the inner surface of the bulb, a rare gas is sealed inside the bulb, and an internal electrode is provided, and an external electrode for attracting the column of sunlight to the phosphor film is formed on the outer surface of the bulb along its axial direction. In a rare gas discharge lamp formed in a strip shape, the phosphor film is formed to be slightly wider than the width of the external electrode so as to sandwich the bulb and overlap with the external electrode,
A rare gas discharge lamp in which the area covered by the phosphor coating on the inside of the bulb is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14716188U JPH0267554U (en) | 1988-11-11 | 1988-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14716188U JPH0267554U (en) | 1988-11-11 | 1988-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0267554U true JPH0267554U (en) | 1990-05-22 |
Family
ID=31417314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14716188U Pending JPH0267554U (en) | 1988-11-11 | 1988-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0267554U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62281256A (en) * | 1986-05-30 | 1987-12-07 | Toshiba Corp | Rare gas discharge lamp device |
| JPS6358752A (en) * | 1986-08-29 | 1988-03-14 | Toshiba Corp | Aperture type area gas discharge lamp |
| JPS63190246A (en) * | 1987-01-31 | 1988-08-05 | Toshiba Corp | Rare gas discharge lamp |
-
1988
- 1988-11-11 JP JP14716188U patent/JPH0267554U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62281256A (en) * | 1986-05-30 | 1987-12-07 | Toshiba Corp | Rare gas discharge lamp device |
| JPS6358752A (en) * | 1986-08-29 | 1988-03-14 | Toshiba Corp | Aperture type area gas discharge lamp |
| JPS63190246A (en) * | 1987-01-31 | 1988-08-05 | Toshiba Corp | Rare gas discharge lamp |
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