JPS5188042A - - Google Patents

Info

Publication number
JPS5188042A
JPS5188042A JP50012799A JP1279975A JPS5188042A JP S5188042 A JPS5188042 A JP S5188042A JP 50012799 A JP50012799 A JP 50012799A JP 1279975 A JP1279975 A JP 1279975A JP S5188042 A JPS5188042 A JP S5188042A
Authority
JP
Japan
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
JP50012799A
Other versions
JPS5817957B2 (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 JP50012799A priority Critical patent/JPS5817957B2/ja
Priority to US05/652,574 priority patent/US4059916A/en
Publication of JPS5188042A publication Critical patent/JPS5188042A/ja
Publication of JPS5817957B2 publication Critical patent/JPS5817957B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP50012799A 1975-01-30 1975-01-30 ヒカリカクサンソウチ Expired JPS5817957B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50012799A JPS5817957B2 (ja) 1975-01-30 1975-01-30 ヒカリカクサンソウチ
US05/652,574 US4059916A (en) 1975-01-30 1976-01-26 Light diffusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50012799A JPS5817957B2 (ja) 1975-01-30 1975-01-30 ヒカリカクサンソウチ

Publications (2)

Publication Number Publication Date
JPS5188042A true JPS5188042A (ja) 1976-08-02
JPS5817957B2 JPS5817957B2 (ja) 1983-04-11

Family

ID=11815427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50012799A Expired JPS5817957B2 (ja) 1975-01-30 1975-01-30 ヒカリカクサンソウチ

Country Status (1)

Country Link
JP (1) JPS5817957B2 (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51104294A (ja) * 1975-03-12 1976-09-14 Hitachi Ltd Ekishohyojisochi
JPS51148275U (ja) * 1975-05-22 1976-11-27
JPS5376937U (ja) * 1976-11-30 1978-06-27
JPS5713478A (en) * 1980-06-26 1982-01-23 Epson Corp Back light structure for display unit
JPS5754980A (en) * 1980-09-19 1982-04-01 Tokyo Shibaura Electric Co Liquid crystal display unit
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
JPH0348280A (ja) * 1990-01-19 1991-03-01 Seiko Epson Corp 表示体用照明装置
USRE33987E (en) * 1980-03-24 1992-07-07 Seiko Epson Corporation Backlighted liquid crystal display
JPH05264819A (ja) * 1992-09-07 1993-10-15 Seiko Epson Corp 平面光源
JP2002245828A (ja) * 2001-02-21 2002-08-30 Nippon Leiz Co Ltd 平面照明装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW393582B (en) 1995-12-05 2000-06-11 Matsushita Electric Ind Co Ltd Backlighting device and color display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491253A (ja) * 1972-03-10 1974-01-08
JPS4965172U (ja) * 1972-09-19 1974-06-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491253A (ja) * 1972-03-10 1974-01-08
JPS4965172U (ja) * 1972-09-19 1974-06-07

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5722111B2 (ja) * 1975-03-12 1982-05-11
JPS51104294A (ja) * 1975-03-12 1976-09-14 Hitachi Ltd Ekishohyojisochi
JPS51148275U (ja) * 1975-05-22 1976-11-27
JPS5825405Y2 (ja) * 1975-05-22 1983-05-31 日本電産コパル株式会社 シヨウメイソウチツキエキシヨウヒヨウジソウチ
JPS5376937U (ja) * 1976-11-30 1978-06-27
USRE33987E (en) * 1980-03-24 1992-07-07 Seiko Epson Corporation Backlighted liquid crystal display
JPS5713478A (en) * 1980-06-26 1982-01-23 Epson Corp Back light structure for display unit
JPH0372968B2 (ja) * 1980-06-26 1991-11-20 Seiko Epson Corp
JPS5754980A (en) * 1980-09-19 1982-04-01 Tokyo Shibaura Electric Co Liquid crystal display unit
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
JPH046043B2 (ja) * 1987-03-27 1992-02-04 Koito Mfg Co Ltd
JPH0348280A (ja) * 1990-01-19 1991-03-01 Seiko Epson Corp 表示体用照明装置
JPH0474712B2 (ja) * 1990-01-19 1992-11-26
JPH05264819A (ja) * 1992-09-07 1993-10-15 Seiko Epson Corp 平面光源
JP2002245828A (ja) * 2001-02-21 2002-08-30 Nippon Leiz Co Ltd 平面照明装置
JP4511062B2 (ja) * 2001-02-21 2010-07-28 日本ライツ株式会社 平面照明装置

Also Published As

Publication number Publication date
JPS5817957B2 (ja) 1983-04-11

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