JPH0461302U - - Google Patents

Info

Publication number
JPH0461302U
JPH0461302U JP10476190U JP10476190U JPH0461302U JP H0461302 U JPH0461302 U JP H0461302U JP 10476190 U JP10476190 U JP 10476190U JP 10476190 U JP10476190 U JP 10476190U JP H0461302 U JPH0461302 U JP H0461302U
Authority
JP
Japan
Prior art keywords
light
guide plate
light guide
printed pattern
reflective surface
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
JP10476190U
Other languages
English (en)
Other versions
JPH0740962Y2 (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 JP1990104761U priority Critical patent/JPH0740962Y2/ja
Publication of JPH0461302U publication Critical patent/JPH0461302U/ja
Application granted granted Critical
Publication of JPH0740962Y2 publication Critical patent/JPH0740962Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Description

【図面の簡単な説明】
第1図は導光板装置の概略図、第2図乃至第5
図a〜dは本考案の実施例である導光板装置にお
ける印刷模様のパターンを示す説明図、第6図は
従来例での印刷模様の一例を示す説明図である。
又、第7図及び第8図は輝度測定に使用した導光
板装置の説明図である。 1,1′……導光板、4,4′……光源、5,
5′……印刷模様、7……入光面、9……中央部
、10……中心点。

Claims (1)

  1. 【実用新案登録請求の範囲】 一面を光放散面2、他面を反射面3とした導光
    板1を備え、該導光板1の反射面3側に光を乱反
    射させるための印刷模様5が設けられ、導光板1
    の側端部入光面7から光源4の光を導光板1に入
    射し、印刷模様5での乱反射光により光放散面2
    側を発光させるようにした導光板装置において、 前記印刷模様5が光源4の中央部9に対応する
    導光板1入光面7の中心点10から全方向遠方部
    に向けて徐々に面積が広く、或いは密になるよう
    に形成されていることを特徴とする導光板装置。
JP1990104761U 1990-10-03 1990-10-03 導光板装置 Expired - Lifetime JPH0740962Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990104761U JPH0740962Y2 (ja) 1990-10-03 1990-10-03 導光板装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990104761U JPH0740962Y2 (ja) 1990-10-03 1990-10-03 導光板装置

Publications (2)

Publication Number Publication Date
JPH0461302U true JPH0461302U (ja) 1992-05-26
JPH0740962Y2 JPH0740962Y2 (ja) 1995-09-20

Family

ID=31850171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990104761U Expired - Lifetime JPH0740962Y2 (ja) 1990-10-03 1990-10-03 導光板装置

Country Status (1)

Country Link
JP (1) JPH0740962Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0625802U (ja) * 1992-08-31 1994-04-08 株式会社コパル 面発光装置
JP2001126521A (ja) * 1999-10-26 2001-05-11 Nippon Leiz Co Ltd 導光板および平面照明装置
JP2010140906A (ja) * 2008-12-12 2010-06-24 Qinghua Univ 導光板及びバックライトモジュール

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3045527U (ja) * 1997-07-22 1998-02-03 幸藏 住谷 自動逆立健康機

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186331A (en) * 1981-05-12 1982-11-16 Jeol Ltd Manufacture of semiconductor device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3045527U (ja) * 1997-07-22 1998-02-03 幸藏 住谷 自動逆立健康機

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0625802U (ja) * 1992-08-31 1994-04-08 株式会社コパル 面発光装置
JP2001126521A (ja) * 1999-10-26 2001-05-11 Nippon Leiz Co Ltd 導光板および平面照明装置
JP2010140906A (ja) * 2008-12-12 2010-06-24 Qinghua Univ 導光板及びバックライトモジュール

Also Published As

Publication number Publication date
JPH0740962Y2 (ja) 1995-09-20

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