JPS5215368A - Liquid crystal display - Google Patents

Liquid crystal display

Info

Publication number
JPS5215368A
JPS5215368A JP9025875A JP9025875A JPS5215368A JP S5215368 A JPS5215368 A JP S5215368A JP 9025875 A JP9025875 A JP 9025875A JP 9025875 A JP9025875 A JP 9025875A JP S5215368 A JPS5215368 A JP S5215368A
Authority
JP
Japan
Prior art keywords
liquid crystal
crystal display
optical system
even during
illumination optical
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
JP9025875A
Other languages
Japanese (ja)
Inventor
Yasuhiko Shindo
Katsumi Takami
Tadashi Ishibashi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9025875A priority Critical patent/JPS5215368A/en
Publication of JPS5215368A publication Critical patent/JPS5215368A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • G04G9/0041—Illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

PURPOSE:Marking equipment which permits clear display even during night by using an appropriate illumination optical system.
JP9025875A 1975-07-25 1975-07-25 Liquid crystal display Pending JPS5215368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9025875A JPS5215368A (en) 1975-07-25 1975-07-25 Liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9025875A JPS5215368A (en) 1975-07-25 1975-07-25 Liquid crystal display

Publications (1)

Publication Number Publication Date
JPS5215368A true JPS5215368A (en) 1977-02-04

Family

ID=13993461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9025875A Pending JPS5215368A (en) 1975-07-25 1975-07-25 Liquid crystal display

Country Status (1)

Country Link
JP (1) JPS5215368A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518031A (en) * 1981-02-24 1985-05-21 Kabushiki Kaisha Komatsu Seisakusho Method for making molds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518031A (en) * 1981-02-24 1985-05-21 Kabushiki Kaisha Komatsu Seisakusho Method for making molds

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