JPS59182805U - surface light source - Google Patents

surface light source

Info

Publication number
JPS59182805U
JPS59182805U JP7798083U JP7798083U JPS59182805U JP S59182805 U JPS59182805 U JP S59182805U JP 7798083 U JP7798083 U JP 7798083U JP 7798083 U JP7798083 U JP 7798083U JP S59182805 U JPS59182805 U JP S59182805U
Authority
JP
Japan
Prior art keywords
diffuser plate
lamp
light source
surface light
moderating
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
Application number
JP7798083U
Other languages
Japanese (ja)
Inventor
英夫 森田
Original Assignee
星電器製造株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 星電器製造株式会社 filed Critical 星電器製造株式会社
Priority to JP7798083U priority Critical patent/JPS59182805U/en
Publication of JPS59182805U publication Critical patent/JPS59182805U/en
Pending legal-status Critical Current

Links

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の面光源を示す断面図、第２図はその分解
斜視図、第３図はこの考案による面光源の一例を示す断
面図、第４図はそのランプ部分の他の例を示す図、第５
図はこの考案の他の実施例・を示す断面図、第６図は面
光源の輝度分布を示す゛　図である。 １１：拡散板、１２：ランプ、１３：配線基板、１４：
反射板、１７：緩和手段としての白色塗料層、１８：緩
和手段としての白色拡散層、２２：緩和手段としての着
色層。Fig. 1 is a sectional view showing a conventional surface light source, Fig. 2 is an exploded perspective view thereof, Fig. 3 is a sectional view showing an example of the surface light source according to this invention, and Fig. 4 shows another example of the lamp portion. Figure 5
The figure is a sectional view showing another embodiment of this invention, and FIG. 6 is a diagram showing the luminance distribution of a surface light source. 11: Diffusion plate, 12: Lamp, 13: Wiring board, 14:
Reflector plate, 17: White paint layer as a relaxation means, 18: White diffusion layer as a relaxation means, 22: Colored layer as a relaxation means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 拡散板と、その拡散板の背後に設けられたランプと、そ
のランプの背後に設けられ、そのランプからの光を上記
拡散板に反射させる反射板とを備え、上記拡散板のはＳ
゛全面り前方に光を放射するようにした面光源において
、上記ランプと上記拡散板との直接対向部分にそのラン
プよりの拡散板へ直接放射される光を緩和する緩和手段
が設けられていることを特徴とする面光源。It comprises a diffuser plate, a lamp provided behind the diffuser plate, and a reflector plate provided behind the lamp to reflect light from the lamp onto the diffuser plate, the diffuser plate having an S
゛In a surface light source that emits light forward over the entire surface, a moderating means for moderating the light emitted directly from the lamp to the diffuser plate is provided at a portion where the lamp and the diffuser plate are directly opposed to each other. A surface light source characterized by:
JP7798083U 1983-05-23 1983-05-23 surface light source Pending JPS59182805U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7798083U JPS59182805U (en) 1983-05-23 1983-05-23 surface light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7798083U JPS59182805U (en) 1983-05-23 1983-05-23 surface light source

Publications (1)

Publication Number Publication Date
JPS59182805U true JPS59182805U (en) 1984-12-05

Family

ID=30207991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7798083U Pending JPS59182805U (en) 1983-05-23 1983-05-23 surface light source

Country Status (1)

Country Link
JP (1) JPS59182805U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6414805A (en) * 1987-07-09 1989-01-19 Dai Ichi Seiko Co Ltd Lighting apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442152U (en) * 1977-08-31 1979-03-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442152U (en) * 1977-08-31 1979-03-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6414805A (en) * 1987-07-09 1989-01-19 Dai Ichi Seiko Co Ltd Lighting apparatus

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