JPH0186118U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の第１の実施例の斜視図、第２
図は第１図における―線断面図、第３図は上
記実施例の端部の他の断面形状を示す図、第４図
は本考案の螢光管を取付けた光源装置の一部を切
欠いて示した斜視図、第５図は上記光源装置の保
持板の一部を示す図、第６図乃至第１１図は第２
乃至第６の実施例の螢光管の端部形状を示す図、
第１２図は照明装置の断面図、第１３図は前記照
明装置の輝度分布を示す図、第１４図は遮光部を
設けた螢光管の一例を示す図、第１５図は前記螢
光管を用いた照明装置の輝度分布を示す図、第１
６図は他の遮光部を設けた螢光管の図、第１７図
は従来の螢光管を示す図、第１８図は前記従来例
のソケツトの端面図、第１９図は螢光管の他の従
来例を示す図、第２０図は第１９図に示す従来例
のソケツトの端面図である。 １……螢光管、２，３……端部電極部、６……
光量制御手段、１４……保持板。 Fig. 1 is a perspective view of the first embodiment of the present invention;
The figure is a sectional view taken along the line -- in Fig. 1, Fig. 3 is a view showing another cross-sectional shape of the end of the above embodiment, and Fig. 4 is a partially cutaway view of the light source device to which the fluorescent tube of the present invention is attached. FIG. 5 is a perspective view showing a part of the holding plate of the light source device, and FIGS.
Figures illustrating the end shape of the fluorescent tube of the sixth embodiment;
FIG. 12 is a sectional view of the illumination device, FIG. 13 is a diagram showing the luminance distribution of the illumination device, FIG. 14 is a diagram showing an example of a fluorescent tube provided with a light shielding part, and FIG. 15 is a diagram showing the fluorescent tube. Diagram 1 showing the luminance distribution of a lighting device using
Fig. 6 is a diagram of a fluorescent tube provided with another light shielding part, Fig. 17 is a diagram showing a conventional fluorescent tube, Fig. 18 is an end view of the socket of the conventional example, and Fig. 19 is a diagram of the fluorescent tube. Another conventional example is shown in FIG. 20, which is an end view of the conventional socket shown in FIG. 19. 1... Fluorescent tube, 2, 3... End electrode part, 6...
Light amount control means, 14...holding plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 反射板の上部に直線状の光源を配置しこの直線
状の光源に対して反射板と反対側に拡散板を配置
した照明装置にて用いられるその上面に放射光量
を制御する光量制御手段を設けた光源において、
前記光源の少なくとも一方の端部電極部に光源の
回転方向を規制する位置決め部を直接形成したこ
とを特徴とする照明装置用位置決め付螢光管。 A light amount control means for controlling the amount of emitted light is provided on the upper surface of the illumination device used in an illumination device in which a linear light source is placed above a reflecting plate and a diffuser plate is placed on the opposite side of the reflecting plate with respect to the linear light source. In the light source,
1. A positioning fluorescent tube for a lighting device, characterized in that a positioning portion for regulating the rotational direction of the light source is directly formed on at least one end electrode portion of the light source.