JPS5428597A - Liquid crystal display unit - Google Patents

Liquid crystal display unit

Info

Publication number
JPS5428597A
JPS5428597A JP9409077A JP9409077A JPS5428597A JP S5428597 A JPS5428597 A JP S5428597A JP 9409077 A JP9409077 A JP 9409077A JP 9409077 A JP9409077 A JP 9409077A JP S5428597 A JPS5428597 A JP S5428597A
Authority
JP
Japan
Prior art keywords
display unit
liquid crystal
crystal display
end surface
shorten
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
JP9409077A
Other languages
Japanese (ja)
Inventor
Osamu Kogure
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9409077A priority Critical patent/JPS5428597A/en
Publication of JPS5428597A publication Critical patent/JPS5428597A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To reduce the uneven contrast as well as to shorten the depth of the display unit, by providing the light source near the end surface of the transparent plate of the display panel and securing the illumination with the incident rays given from the end surface.
COPYRIGHT: (C)1979,JPO&Japio
JP9409077A 1977-08-08 1977-08-08 Liquid crystal display unit Pending JPS5428597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9409077A JPS5428597A (en) 1977-08-08 1977-08-08 Liquid crystal display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9409077A JPS5428597A (en) 1977-08-08 1977-08-08 Liquid crystal display unit

Publications (1)

Publication Number Publication Date
JPS5428597A true JPS5428597A (en) 1979-03-03

Family

ID=14100749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9409077A Pending JPS5428597A (en) 1977-08-08 1977-08-08 Liquid crystal display unit

Country Status (1)

Country Link
JP (1) JPS5428597A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6618104B1 (en) 1998-07-28 2003-09-09 Nippon Telegraph And Telephone Corporation Optical device having reverse mode holographic PDLC and front light guide
US6819393B1 (en) 1998-07-28 2004-11-16 Nippon Telegraph And Telephone Corporation Optical device and display apparatus using light diffraction and light guide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6618104B1 (en) 1998-07-28 2003-09-09 Nippon Telegraph And Telephone Corporation Optical device having reverse mode holographic PDLC and front light guide
US6819393B1 (en) 1998-07-28 2004-11-16 Nippon Telegraph And Telephone Corporation Optical device and display apparatus using light diffraction and light guide
US6836314B2 (en) 1998-07-28 2004-12-28 Nippon Telegraph And Telephone Corporation Optical device and display apparatus having a plate-shaped light guide and an optical control surface thereon

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