JPS62161203U

JPS62161203U -

Info

Publication number: JPS62161203U
Application number: JP4827286U
Authority: JP
Priority date: 1986-04-01
Filing date: 1986-04-01
Publication date: 1987-10-14

Description

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

第１図は本考案一実施例の断面図、第２図は同
上の斜視図、第３図及び第４図は他の実施例の断
面図、第５図は更に他の実施例の断面図、第６図
は光源部材の他例を示す断面図であつて、１は反
射部材、２は全反射部材、３は光源部材、４は広
告板、１０は光拡散面、１１は表面板、１２は背
面板を示す。 Fig. 1 is a sectional view of one embodiment of the present invention, Fig. 2 is a perspective view of the same as above, Figs. 3 and 4 are sectional views of other embodiments, and Fig. 5 is a sectional view of yet another embodiment. , FIG. 6 is a sectional view showing another example of the light source member, in which 1 is a reflective member, 2 is a total reflection member, 3 is a light source member, 4 is an advertising board, 10 is a light diffusion surface, 11 is a surface plate, 12 indicates a back plate.

Claims

【実用新案登録請求の範囲】 (1) 透明な光透過材にて形成されて背面側に光
拡散面を具備する板状の反射部材と、反射部材の
背後に置かれた全反射部材と、反射部材の端面側
から光拡散面に向けて光を送る光源部材とから成
り、広告板の背後に置かれる反射部材の光拡散面
は光源部材からの光軸方向に対して傾斜した傾斜
面とされている広告板用照明装置。 (2) 反射部材は断面がくさび型で背面が光拡散
面とされている透明材にて形成されていることを
特徴とする実用新案登録請求の範囲第１項記載の
広告板用照明装置。 (3) 反射部材は角度をもつて組み合わされた共
に透明な表面板と背面板とからなり、背後に全反
射部材が配設される背面板に光拡散面が設けられ
ていることを特徴とする実用新案登録請求の範囲
第１項記載の広告板用照明装置。[Claims for Utility Model Registration] (1) A plate-shaped reflective member made of a transparent light transmitting material and having a light diffusing surface on the back side, and a total reflection member placed behind the reflective member, It consists of a light source member that sends light from the end surface side of the reflective member toward a light diffusing surface, and the light diffusing surface of the reflective member placed behind the billboard has an inclined surface that is inclined with respect to the optical axis direction from the light source member. Lighting equipment for billboards. (2) The illumination device for a billboard according to claim 1, wherein the reflecting member is made of a transparent material having a wedge-shaped cross section and a light diffusing surface on the back surface. (3) The reflective member is composed of a transparent front plate and a back plate which are combined at an angle, and the rear plate behind which the total reflection member is disposed is provided with a light diffusing surface. A lighting device for a billboard as set forth in claim 1 of the utility model registration claim.