JPH0369184U - - Google Patents

Info

Publication number
JPH0369184U
JPH0369184U JP13101089U JP13101089U JPH0369184U JP H0369184 U JPH0369184 U JP H0369184U JP 13101089 U JP13101089 U JP 13101089U JP 13101089 U JP13101089 U JP 13101089U JP H0369184 U JPH0369184 U JP H0369184U
Authority
JP
Japan
Prior art keywords
light source
light
source device
diffusing
section
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
JP13101089U
Other languages
English (en)
Other versions
JP2507092Y2 (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 JP1989131010U priority Critical patent/JP2507092Y2/ja
Publication of JPH0369184U publication Critical patent/JPH0369184U/ja
Application granted granted Critical
Publication of JP2507092Y2 publication Critical patent/JP2507092Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第１図は本考案の第１の実施例の断面図、第２
図は本考案の第２の実施例の断面図、第３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……拡散部、４
……反射面、５……第１拡散面、６……第２拡散
面。

Claims (1)

  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
    光体表面に設けた光拡散部と、導光体裏面に設け
    た反射面とを備えた面光源装置において、前記光
    拡散部が空気層を挟んで配置した二つの拡散面よ
    りなることを特徴とする面光源装置。 (2) 前記光拡散部が拡散面と表面が断面形状鋸
    歯状をなした透明板よりなる請求項(1)の面光源
    装置。 (3) 前記導光体の屈折率ｎがｎ≦１．４５の透
    明樹脂よりなる請求項(1)又は(2)の面光源装置。
JP1989131010U 1989-11-13 1989-11-13 面光源装置 Expired - Lifetime JP2507092Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989131010U JP2507092Y2 (ja) 1989-11-13 1989-11-13 面光源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989131010U JP2507092Y2 (ja) 1989-11-13 1989-11-13 面光源装置

Publications (2)

Publication Number Publication Date
JPH0369184U true JPH0369184U (ja) 1991-07-09
JP2507092Y2 JP2507092Y2 (ja) 1996-08-14

Family

ID=31678539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989131010U Expired - Lifetime JP2507092Y2 (ja) 1989-11-13 1989-11-13 面光源装置

Country Status (1)

Country Link
JP (1) JP2507092Y2 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05203950A (ja) * 1992-01-27 1993-08-13 Sekisui Chem Co Ltd 集光シートおよび面状発光装置
US6799859B1 (en) 2000-07-24 2004-10-05 Mitsubishi Rayon Co., Ltd. Surface illuminant device and prism sheet used therefor
JP2006179475A (ja) * 2004-11-24 2006-07-06 Toshiba Matsushita Display Technology Co Ltd 面光源装置及びこれを備えた液晶表示装置
WO2007129415A1 (ja) 2006-05-08 2007-11-15 Sony Corporation 光学フィルムおよびその製造方法ならびに表示装置
JP2008231857A (ja) * 2007-03-23 2008-10-02 Okumura Corp 塔状構造物の解体装置

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51102498A (ja) * 1975-03-06 1976-09-09 Suwa Seikosha Kk Ekishohyojisochi
JPS5276291U (ja) * 1975-12-05 1977-06-07
JPS52109393A (en) * 1976-03-10 1977-09-13 Hitachi Ltd Liquid crystal display element
JPS52141598A (en) * 1976-04-29 1977-11-25 Ebauches Sa Passive optooelectric display unit and method of producing same
JPS5525641A (en) * 1978-08-11 1980-02-23 Mitsubishi Heavy Ind Ltd Dredger
JPS5637124A (en) * 1979-09-04 1981-04-10 Mitsubishi Rayon Co Ltd Production of synthetic resin light diffusing sheet
JPS5669433U (ja) * 1979-10-31 1981-06-09
JPS5823631A (ja) * 1982-07-08 1983-02-12 Green Cross Corp:The 安定な固体の人血漿コリンエステラ−ゼ製剤の製法
US4729067A (en) * 1986-09-26 1988-03-01 Mitsubishi Rayon Company Ltd. Light diffusing device
JPS63239702A (ja) * 1987-03-27 1988-10-05 株式会社小糸製作所 装飾用レンズ照明装置
JPS63318003A (ja) * 1987-05-26 1988-12-26 ミネソタ　マイニング　アンド　マニユフアクチユアリング　カンパニー 正常化された光を出力する光設備
JPS6437801A (en) * 1987-08-04 1989-02-08 Matsushita Electric Ind Co Ltd Voltage nonlinear element
JPH01234821A (ja) * 1988-03-16 1989-09-20 Hitachi Ltd 液晶表示装置
JPH01241590A (ja) * 1988-03-23 1989-09-26 Fujitsu Ltd 面照明装置
JPH0284618A (ja) * 1988-06-02 1990-03-26 Mitsubishi Rayon Co Ltd 面光源素子

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51102498A (ja) * 1975-03-06 1976-09-09 Suwa Seikosha Kk Ekishohyojisochi
JPS5276291U (ja) * 1975-12-05 1977-06-07
JPS52109393A (en) * 1976-03-10 1977-09-13 Hitachi Ltd Liquid crystal display element
JPS52141598A (en) * 1976-04-29 1977-11-25 Ebauches Sa Passive optooelectric display unit and method of producing same
JPS5525641A (en) * 1978-08-11 1980-02-23 Mitsubishi Heavy Ind Ltd Dredger
JPS5637124A (en) * 1979-09-04 1981-04-10 Mitsubishi Rayon Co Ltd Production of synthetic resin light diffusing sheet
JPS5669433U (ja) * 1979-10-31 1981-06-09
JPS5823631A (ja) * 1982-07-08 1983-02-12 Green Cross Corp:The 安定な固体の人血漿コリンエステラ−ゼ製剤の製法
US4729067A (en) * 1986-09-26 1988-03-01 Mitsubishi Rayon Company Ltd. Light diffusing device
JPS63239702A (ja) * 1987-03-27 1988-10-05 株式会社小糸製作所 装飾用レンズ照明装置
JPS63318003A (ja) * 1987-05-26 1988-12-26 ミネソタ　マイニング　アンド　マニユフアクチユアリング　カンパニー 正常化された光を出力する光設備
JPS6437801A (en) * 1987-08-04 1989-02-08 Matsushita Electric Ind Co Ltd Voltage nonlinear element
JPH01234821A (ja) * 1988-03-16 1989-09-20 Hitachi Ltd 液晶表示装置
JPH01241590A (ja) * 1988-03-23 1989-09-26 Fujitsu Ltd 面照明装置
JPH0284618A (ja) * 1988-06-02 1990-03-26 Mitsubishi Rayon Co Ltd 面光源素子

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05203950A (ja) * 1992-01-27 1993-08-13 Sekisui Chem Co Ltd 集光シートおよび面状発光装置
US6799859B1 (en) 2000-07-24 2004-10-05 Mitsubishi Rayon Co., Ltd. Surface illuminant device and prism sheet used therefor
JP2006179475A (ja) * 2004-11-24 2006-07-06 Toshiba Matsushita Display Technology Co Ltd 面光源装置及びこれを備えた液晶表示装置
WO2007129415A1 (ja) 2006-05-08 2007-11-15 Sony Corporation 光学フィルムおよびその製造方法ならびに表示装置
JP2008231857A (ja) * 2007-03-23 2008-10-02 Okumura Corp 塔状構造物の解体装置

Also Published As

Publication number Publication date
JP2507092Y2 (ja) 1996-08-14

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