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JPS526496A - Liquid crystal indicator - Google Patents

Liquid crystal indicator

Info

Publication number
JPS526496A
JPS526496A JP50082493A JP8249375A JPS526496A JP S526496 A JPS526496 A JP S526496A JP 50082493 A JP50082493 A JP 50082493A JP 8249375 A JP8249375 A JP 8249375A JP S526496 A JPS526496 A JP S526496A
Authority
JP
Japan
Prior art keywords
liquid crystal
crystal indicator
darkness
seen
required even
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.)
Pending
Application number
JP50082493A
Other languages
Japanese (ja)
Inventor
Shinichi Sawagata
Tomohide Tokida
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP50082493A priority Critical patent/JPS526496A/en
Publication of JPS526496A publication Critical patent/JPS526496A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:A liquid crystal indicator can be seen as required even in the darkness and also given equal scattering from its back.
JP50082493A 1975-07-04 1975-07-04 Liquid crystal indicator Pending JPS526496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50082493A JPS526496A (en) 1975-07-04 1975-07-04 Liquid crystal indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50082493A JPS526496A (en) 1975-07-04 1975-07-04 Liquid crystal indicator

Publications (1)

Publication Number Publication Date
JPS526496A true JPS526496A (en) 1977-01-18

Family

ID=13776007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50082493A Pending JPS526496A (en) 1975-07-04 1975-07-04 Liquid crystal indicator

Country Status (1)

Country Link
JP (1) JPS526496A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53101996A (en) * 1977-02-15 1978-09-05 Siemens Ag Indicator with optical valve
JPS62153938A (en) * 1985-12-27 1987-07-08 Sanden Corp Liquid crystal display element
JPH04112225U (en) * 1991-03-15 1992-09-30 横河電機株式会社 liquid crystal display device
JPH04363888A (en) * 1991-06-07 1992-12-16 Sakaguchi Dennetsu Kk Small-diameter pipe heater
US5394255A (en) * 1992-01-27 1995-02-28 Sekisui Kagaku Kogyo Kabushiki Kaisha Liquid crystal display using a plurality of light adjusting sheets angled at 5 degrees or more
US6356391B1 (en) 1999-10-08 2002-03-12 3M Innovative Properties Company Optical film with variable angle prisms
US6447135B1 (en) 1999-10-08 2002-09-10 3M Innovative Properties Company Lightguide having a directly secured reflector and method of making the same
US6845212B2 (en) 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures
US7046905B1 (en) 1999-10-08 2006-05-16 3M Innovative Properties Company Blacklight with structured surfaces

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53101996A (en) * 1977-02-15 1978-09-05 Siemens Ag Indicator with optical valve
JPS62153938A (en) * 1985-12-27 1987-07-08 Sanden Corp Liquid crystal display element
JPH04112225U (en) * 1991-03-15 1992-09-30 横河電機株式会社 liquid crystal display device
JPH04363888A (en) * 1991-06-07 1992-12-16 Sakaguchi Dennetsu Kk Small-diameter pipe heater
US5394255A (en) * 1992-01-27 1995-02-28 Sekisui Kagaku Kogyo Kabushiki Kaisha Liquid crystal display using a plurality of light adjusting sheets angled at 5 degrees or more
US6356391B1 (en) 1999-10-08 2002-03-12 3M Innovative Properties Company Optical film with variable angle prisms
US6447135B1 (en) 1999-10-08 2002-09-10 3M Innovative Properties Company Lightguide having a directly secured reflector and method of making the same
US6560026B2 (en) 1999-10-08 2003-05-06 Mark E. Gardiner Optical film with variable angle prisms
US6707611B2 (en) 1999-10-08 2004-03-16 3M Innovative Properties Company Optical film with variable angle prisms
US6845212B2 (en) 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures
US7046905B1 (en) 1999-10-08 2006-05-16 3M Innovative Properties Company Blacklight with structured surfaces
US7221847B2 (en) 1999-10-08 2007-05-22 3M Innovative Properties Company Optical elements having programmed optical structures

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

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R250 Receipt of annual fees

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LAPS Cancellation because of no payment of annual fees