JPH02257188A - 光拡散装置 - Google Patents

光拡散装置

Info

Publication number
JPH02257188A
JPH02257188A JP1076443A JP7644389A JPH02257188A JP H02257188 A JPH02257188 A JP H02257188A JP 1076443 A JP1076443 A JP 1076443A JP 7644389 A JP7644389 A JP 7644389A JP H02257188 A JPH02257188 A JP H02257188A
Authority
JP
Japan
Prior art keywords
board
diffusing
regulating
plate
light source
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
JP1076443A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0581909B2 (en]
Inventor
Kazuaki Yokoyama
和明 横山
Tsudoi Ebina
蝦名　集
Isamu Kaneko
勇 金子
Atsushi Noguchi
野口　敦之
Hideaki Kato
秀明 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
I Pex Inc
Original Assignee
Dai Ichi Seiko Co Ltd
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 Dai Ichi Seiko Co Ltd filed Critical Dai Ichi Seiko Co Ltd
Priority to JP1076443A priority Critical patent/JPH02257188A/ja
Publication of JPH02257188A publication Critical patent/JPH02257188A/ja
Publication of JPH0581909B2 publication Critical patent/JPH0581909B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP1076443A 1989-03-30 1989-03-30 光拡散装置 Granted JPH02257188A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1076443A JPH02257188A (ja) 1989-03-30 1989-03-30 光拡散装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1076443A JPH02257188A (ja) 1989-03-30 1989-03-30 光拡散装置

Publications (2)

Publication Number Publication Date
JPH02257188A true JPH02257188A (ja) 1990-10-17
JPH0581909B2 JPH0581909B2 (en]) 1993-11-16

Family

ID=13605295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1076443A Granted JPH02257188A (ja) 1989-03-30 1989-03-30 光拡散装置

Country Status (1)

Country Link
JP (1) JPH02257188A (en])

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04107237U (ja) * 1991-02-26 1992-09-16 株式会社ウノン技研 面光源部材
JPH04356015A (ja) * 1991-03-22 1992-12-09 Tosoh Corp バックライト
US5521797A (en) * 1993-02-01 1996-05-28 Tosoh Corporation Backlighting device
US5598280A (en) * 1993-03-23 1997-01-28 Dai Nippon Printing Co., Ltd. Film lens and a surface light source using the same
US5671028A (en) * 1994-05-11 1997-09-23 Sharp Kabushiki Kaisha Liquid crystal display including a control member for providing a transparent visual range within a predetermined viewing angle and an opaque visual range outside the predetermined viewing angle
US5721603A (en) * 1993-01-11 1998-02-24 U.S. Philips Corporation Illumination system and display device including such a system
US5729311A (en) * 1995-08-23 1998-03-17 U.S. Philips Corporation Illumination system for a flat-panel picture display device
US5856855A (en) * 1995-08-23 1999-01-05 U.S. Philips Corporation Edge-lit illumination system containing cholesteric polarizer and diffuser behind waveguide
US6417831B2 (en) 1997-03-06 2002-07-09 Dai Nippon Printing Co., Ltd. Diffused light controlling optical sheet, back light device and liquid crystal display apparatus
US6903788B2 (en) 2001-07-05 2005-06-07 Nitto Denko Corporation Optical film and a liquid crystal display using the same
JP2006153534A (ja) * 2004-11-26 2006-06-15 Ckd Corp 不良検査装置及びｐｔｐ包装機
WO2018038120A1 (ja) * 2016-08-22 2018-03-01 株式会社ロッソ 表示体および広告装置

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564173A (en) * 1979-04-13 1981-01-17 Suisse Horlogerie Surface having optical guide diffusion face structure for accepted information display device
JPS57184983U (en]) * 1981-05-20 1982-11-24
JPS6070601A (ja) * 1983-08-29 1985-04-22 カナデイアン　パテンツ　アンド　デベロツプメント　リミテツド 照明パネル
JPS6155684A (ja) * 1984-08-27 1986-03-20 三菱レイヨン株式会社 光拡散装置
JPS62144102A (ja) * 1985-11-21 1987-06-27 ミネソタ　マイニング　アンド　マニユフアクチユアリング　コンパニ− 薄い変形可能フイルム
JPS62217501A (ja) * 1986-03-19 1987-09-25 東芝ライテック株式会社 照明器具
JPS6368814A (ja) * 1986-09-10 1988-03-28 Matsushita Electric Works Ltd 液晶表示装置用照明装置
JPS6382223U (en]) * 1986-11-17 1988-05-30
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
JPH0217A (ja) * 1987-11-12 1990-01-05 Mitsubishi Rayon Co Ltd 面光源素子
JPH0277726A (ja) * 1988-09-14 1990-03-16 Hitachi Ltd 液晶表示装置
JPH0284618A (ja) * 1988-06-02 1990-03-26 Mitsubishi Rayon Co Ltd 面光源素子

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564173A (en) * 1979-04-13 1981-01-17 Suisse Horlogerie Surface having optical guide diffusion face structure for accepted information display device
JPS57184983U (en]) * 1981-05-20 1982-11-24
JPS6070601A (ja) * 1983-08-29 1985-04-22 カナデイアン　パテンツ　アンド　デベロツプメント　リミテツド 照明パネル
US4542449A (en) * 1983-08-29 1985-09-17 Canadian Patents & Development Limited Lighting panel with opposed 45° corrugations
JPS6155684A (ja) * 1984-08-27 1986-03-20 三菱レイヨン株式会社 光拡散装置
JPS62144102A (ja) * 1985-11-21 1987-06-27 ミネソタ　マイニング　アンド　マニユフアクチユアリング　コンパニ− 薄い変形可能フイルム
JPS62217501A (ja) * 1986-03-19 1987-09-25 東芝ライテック株式会社 照明器具
JPS6368814A (ja) * 1986-09-10 1988-03-28 Matsushita Electric Works Ltd 液晶表示装置用照明装置
JPS6382223U (en]) * 1986-11-17 1988-05-30
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
JPH0217A (ja) * 1987-11-12 1990-01-05 Mitsubishi Rayon Co Ltd 面光源素子
JPH0284618A (ja) * 1988-06-02 1990-03-26 Mitsubishi Rayon Co Ltd 面光源素子
JPH0277726A (ja) * 1988-09-14 1990-03-16 Hitachi Ltd 液晶表示装置

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04107237U (ja) * 1991-02-26 1992-09-16 株式会社ウノン技研 面光源部材
JPH04356015A (ja) * 1991-03-22 1992-12-09 Tosoh Corp バックライト
US5721603A (en) * 1993-01-11 1998-02-24 U.S. Philips Corporation Illumination system and display device including such a system
US5521797A (en) * 1993-02-01 1996-05-28 Tosoh Corporation Backlighting device
US5598280A (en) * 1993-03-23 1997-01-28 Dai Nippon Printing Co., Ltd. Film lens and a surface light source using the same
US5671028A (en) * 1994-05-11 1997-09-23 Sharp Kabushiki Kaisha Liquid crystal display including a control member for providing a transparent visual range within a predetermined viewing angle and an opaque visual range outside the predetermined viewing angle
US5729311A (en) * 1995-08-23 1998-03-17 U.S. Philips Corporation Illumination system for a flat-panel picture display device
US5856855A (en) * 1995-08-23 1999-01-05 U.S. Philips Corporation Edge-lit illumination system containing cholesteric polarizer and diffuser behind waveguide
US6417831B2 (en) 1997-03-06 2002-07-09 Dai Nippon Printing Co., Ltd. Diffused light controlling optical sheet, back light device and liquid crystal display apparatus
US6903788B2 (en) 2001-07-05 2005-06-07 Nitto Denko Corporation Optical film and a liquid crystal display using the same
JP2006153534A (ja) * 2004-11-26 2006-06-15 Ckd Corp 不良検査装置及びｐｔｐ包装機
WO2018038120A1 (ja) * 2016-08-22 2018-03-01 株式会社ロッソ 表示体および広告装置

Also Published As

Publication number Publication date
JPH0581909B2 (en]) 1993-11-16

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