JPS5440095A - Display unit with illumination - Google Patents

Display unit with illumination

Info

Publication number
JPS5440095A
JPS5440095A JP10647177A JP10647177A JPS5440095A JP S5440095 A JPS5440095 A JP S5440095A JP 10647177 A JP10647177 A JP 10647177A JP 10647177 A JP10647177 A JP 10647177A JP S5440095 A JPS5440095 A JP S5440095A
Authority
JP
Japan
Prior art keywords
illumination
display unit
wavelength
featuring
agreement
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
JP10647177A
Other languages
Japanese (ja)
Inventor
Katsuhiro Teraishi
Masaru Egawa
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP10647177A priority Critical patent/JPS5440095A/en
Publication of JPS5440095A publication Critical patent/JPS5440095A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Indicating Measured Values (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

PURPOSE: To prevent the lowering of the reflection factor by providing a reflector featuring the interference filter effect and securing an agreement between the center wavelength of the filter system and the wavelength of the light source.
COPYRIGHT: (C)1979,JPO&Japio
JP10647177A 1977-09-05 1977-09-05 Display unit with illumination Pending JPS5440095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10647177A JPS5440095A (en) 1977-09-05 1977-09-05 Display unit with illumination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10647177A JPS5440095A (en) 1977-09-05 1977-09-05 Display unit with illumination

Publications (1)

Publication Number Publication Date
JPS5440095A true JPS5440095A (en) 1979-03-28

Family

ID=14434433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10647177A Pending JPS5440095A (en) 1977-09-05 1977-09-05 Display unit with illumination

Country Status (1)

Country Link
JP (1) JPS5440095A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0420662A (en) * 1990-05-14 1992-01-24 Ohbayashi Corp Demolition of concrete
US6517213B1 (en) 1997-03-31 2003-02-11 Idec Izumi Corporation Indicator device and illumination device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0420662A (en) * 1990-05-14 1992-01-24 Ohbayashi Corp Demolition of concrete
US6517213B1 (en) 1997-03-31 2003-02-11 Idec Izumi Corporation Indicator device and illumination device

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