JPS5713478A - Back light structure for display unit - Google Patents

Back light structure for display unit

Info

Publication number
JPS5713478A
JPS5713478A JP8705680A JP8705680A JPS5713478A JP S5713478 A JPS5713478 A JP S5713478A JP 8705680 A JP8705680 A JP 8705680A JP 8705680 A JP8705680 A JP 8705680A JP S5713478 A JPS5713478 A JP S5713478A
Authority
JP
Japan
Prior art keywords
display unit
back light
light structure
display
unit
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
JP8705680A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0372968B2 (enrdf_load_stackoverflow
Inventor
Osamu Susao
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.)
Epson Corp
Original Assignee
Epson Corp
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 Epson Corp filed Critical Epson Corp
Priority to JP8705680A priority Critical patent/JPS5713478A/ja
Priority to US06/245,856 priority patent/US4487481A/en
Publication of JPS5713478A publication Critical patent/JPS5713478A/ja
Priority to US06/680,410 priority patent/US4659183A/en
Priority to US06/680,192 priority patent/US4618216A/en
Priority to US07/341,141 priority patent/USRE33987E/en
Publication of JPH0372968B2 publication Critical patent/JPH0372968B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP8705680A 1980-03-24 1980-06-26 Back light structure for display unit Granted JPS5713478A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP8705680A JPS5713478A (en) 1980-06-26 1980-06-26 Back light structure for display unit
US06/245,856 US4487481A (en) 1980-03-24 1981-03-20 Backlighted liquid crystal display
US06/680,410 US4659183A (en) 1980-03-24 1984-12-10 Backlighted liquid crystal display
US06/680,192 US4618216A (en) 1980-03-24 1984-12-10 Backlighted liquid crystal display using light passage member for more nearly uniform illumination
US07/341,141 USRE33987E (en) 1980-03-24 1989-04-20 Backlighted liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8705680A JPS5713478A (en) 1980-06-26 1980-06-26 Back light structure for display unit

Related Child Applications (4)

Application Number Title Priority Date Filing Date
JP1022490A Division JPH0348279A (ja) 1990-01-19 1990-01-19 液晶表示装置
JP2010225A Division JPH0348280A (ja) 1990-01-19 1990-01-19 表示体用照明装置
JP2010223A Division JPH0348278A (ja) 1990-01-19 1990-01-19 液晶表示装置
JP2010226A Division JPH0348281A (ja) 1990-01-19 1990-01-19 液晶表示装置

Publications (2)

Publication Number Publication Date
JPS5713478A true JPS5713478A (en) 1982-01-23
JPH0372968B2 JPH0372968B2 (enrdf_load_stackoverflow) 1991-11-20

Family

ID=13904277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8705680A Granted JPS5713478A (en) 1980-03-24 1980-06-26 Back light structure for display unit

Country Status (1)

Country Link
JP (1) JPS5713478A (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044076U (ja) * 1983-08-31 1985-03-28 シャープ株式会社 表示装置用ライトボックス
JPS632002A (ja) * 1986-06-23 1988-01-07 Hitachi Ltd バツクライト用反射板
JPS6360485A (ja) * 1986-09-01 1988-03-16 株式会社小糸製作所 表示装置
JPS64207U (enrdf_load_stackoverflow) * 1987-06-22 1989-01-05
JPH0311201U (enrdf_load_stackoverflow) * 1989-06-16 1991-02-04
JPH03196088A (ja) * 1989-12-25 1991-08-27 Riyoosan:Kk 光源装置
US5128781A (en) * 1989-09-21 1992-07-07 Nippon Steel Corporation Transmissive liquid display apparatus having a thin construction without diminished brightness
JPH07175064A (ja) * 1994-10-21 1995-07-14 Nec Home Electron Ltd 液晶表示装置
JP2002055675A (ja) * 1999-09-17 2002-02-20 Matsushita Electric Ind Co Ltd 画像表示装置
US6791566B1 (en) 1999-09-17 2004-09-14 Matsushita Electric Industrial Co., Ltd. Image display device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169584U (enrdf_load_stackoverflow) * 1974-11-27 1976-06-01
JPS5188042A (enrdf_load_stackoverflow) * 1975-01-30 1976-08-02
JPS5614281A (en) * 1979-07-17 1981-02-12 Nissan Motor Liquid crystal display

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169584U (enrdf_load_stackoverflow) * 1974-11-27 1976-06-01
JPS5188042A (enrdf_load_stackoverflow) * 1975-01-30 1976-08-02
JPS5614281A (en) * 1979-07-17 1981-02-12 Nissan Motor Liquid crystal display

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044076U (ja) * 1983-08-31 1985-03-28 シャープ株式会社 表示装置用ライトボックス
JPS632002A (ja) * 1986-06-23 1988-01-07 Hitachi Ltd バツクライト用反射板
JPS6360485A (ja) * 1986-09-01 1988-03-16 株式会社小糸製作所 表示装置
JPS64207U (enrdf_load_stackoverflow) * 1987-06-22 1989-01-05
JPH0311201U (enrdf_load_stackoverflow) * 1989-06-16 1991-02-04
US5128781A (en) * 1989-09-21 1992-07-07 Nippon Steel Corporation Transmissive liquid display apparatus having a thin construction without diminished brightness
JPH03196088A (ja) * 1989-12-25 1991-08-27 Riyoosan:Kk 光源装置
JPH07175064A (ja) * 1994-10-21 1995-07-14 Nec Home Electron Ltd 液晶表示装置
JP2002055675A (ja) * 1999-09-17 2002-02-20 Matsushita Electric Ind Co Ltd 画像表示装置
US6791566B1 (en) 1999-09-17 2004-09-14 Matsushita Electric Industrial Co., Ltd. Image display device

Also Published As

Publication number Publication date
JPH0372968B2 (enrdf_load_stackoverflow) 1991-11-20

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