JPH0375475U - - Google Patents

Info

Publication number
JPH0375475U
JPH0375475U JP13609189U JP13609189U JPH0375475U JP H0375475 U JPH0375475 U JP H0375475U JP 13609189 U JP13609189 U JP 13609189U JP 13609189 U JP13609189 U JP 13609189U JP H0375475 U JPH0375475 U JP H0375475U
Authority
JP
Japan
Prior art keywords
light guide
light source
face
incident end
source device
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.)
Granted
Application number
JP13609189U
Other languages
English (en)
Other versions
JP2519816Y2 (ja
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 filed Critical
Priority to JP1989136091U priority Critical patent/JP2519816Y2/ja
Publication of JPH0375475U publication Critical patent/JPH0375475U/ja
Application granted granted Critical
Publication of JP2519816Y2 publication Critical patent/JP2519816Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の断面図、第２図は
従来の面光源装置の断面図である。 １……光源、２……導光体、３……拡散面、４
……反射面、５……入射端面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光源と、入射端面を光源に近接配置した導光体
    と、導光体の表面に設けた拡散面と、導光体の裏
    面に設けた反射面とよりなる面光源装置において
    、前記導光体の入射端面を断面形状が拡散面側及
    び反射面側に比べて中央が導光体内側に位置する
    Ｖ字状をなすことを特徴とする面光源装置。
JP1989136091U 1989-11-27 1989-11-27 面光源装置 Expired - Lifetime JP2519816Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989136091U JP2519816Y2 (ja) 1989-11-27 1989-11-27 面光源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989136091U JP2519816Y2 (ja) 1989-11-27 1989-11-27 面光源装置

Publications (2)

Publication Number Publication Date
JPH0375475U true JPH0375475U (ja) 1991-07-29
JP2519816Y2 JP2519816Y2 (ja) 1996-12-11

Family

ID=31683318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989136091U Expired - Lifetime JP2519816Y2 (ja) 1989-11-27 1989-11-27 面光源装置

Country Status (1)

Country Link
JP (1) JP2519816Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4965173U (ja) * 1972-09-19 1974-06-07
JPS56139189U (ja) * 1980-03-24 1981-10-21
JPS6326873U (ja) * 1986-08-04 1988-02-22

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4965173U (ja) * 1972-09-19 1974-06-07
JPS56139189U (ja) * 1980-03-24 1981-10-21
JPS6326873U (ja) * 1986-08-04 1988-02-22

Also Published As

Publication number Publication date
JP2519816Y2 (ja) 1996-12-11

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term