JPS6441908U - - Google Patents
Info
- Publication number
- JPS6441908U JPS6441908U JP13619187U JP13619187U JPS6441908U JP S6441908 U JPS6441908 U JP S6441908U JP 13619187 U JP13619187 U JP 13619187U JP 13619187 U JP13619187 U JP 13619187U JP S6441908 U JPS6441908 U JP S6441908U
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent tube
- lighting device
- utility
- opening
- model registration
- 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
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Description
第１図は本考案の構成図、第２図は本考案に使
用される蛍光管１の発光部の断面図、第３図は従
来例の一例、第４図は他従来例を示す。
１，３１：蛍光管、２：散乱反射板、３：拡散
透過板、４：表示パネル、８：ガラス管、９：蛍
光体。
FIG. 1 is a block diagram of the present invention, FIG. 2 is a sectional view of the light emitting part of a fluorescent tube 1 used in the present invention, FIG. 3 is an example of a conventional example, and FIG. 4 is another conventional example. 1, 31: fluorescent tube, 2: scattering reflection plate, 3: diffuse transmission plate, 4: display panel, 8: glass tube, 9: phosphor.
Claims (1)
つて平行に配し、かかる両板の間に蛍光体を内側
面に塗布しない部分（開口部）を有する蛍光管を
配した照明装置であつて該蛍光管のかかる開口部
を散乱反射板の側に設けることを特徴とする照明
装置。 (2) 拡散透過板の蛍光管と逆側に平行に所定の
間隔をもつて表示パネルを配することを特徴とす
る照明装置。 (3) 蛍光管の開口部が２つあることを特徴とす
る実用新案登録請求の範囲第１項又は第２項記載
の照明装置。 (4) 蛍光管の開口部と蛍光体塗布部の輝度比が
５：１以上であることを特徴とする実用新案登録
請求の範囲第１項又は第２項又は第３項記載の照
明装置。[Claims for Utility Model Registration] (1) A fluorescent device in which a scattering reflection plate and a diffuse transmission plate are arranged in parallel with a predetermined interval, and there is a portion (opening) between the two plates where no phosphor is coated on the inner surface. What is claimed is: 1. A lighting device including a fluorescent tube, wherein the opening of the fluorescent tube is provided on the side of a scattering reflection plate. (2) A lighting device characterized in that a display panel is arranged parallel to the diffuser-transmitting plate at a predetermined interval on the opposite side of the fluorescent tube. (3) The lighting device according to claim 1 or 2 of the utility model registration, characterized in that the fluorescent tube has two openings. (4) The lighting device according to claim 1, 2, or 3 of the utility model registration claim, characterized in that the luminance ratio between the opening of the fluorescent tube and the phosphor coated portion is 5:1 or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13619187U JPS6441908U (en) | 1987-09-08 | 1987-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13619187U JPS6441908U (en) | 1987-09-08 | 1987-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6441908U true JPS6441908U (en) | 1989-03-13 |
Family
ID=31396468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13619187U Pending JPS6441908U (en) | 1987-09-08 | 1987-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6441908U (en) |
-
1987
- 1987-09-08 JP JP13619187U patent/JPS6441908U/ja active Pending
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