JPS5389450A - Digital watch - Google Patents

Digital watch

Info

Publication number
JPS5389450A
JPS5389450A JP371777A JP371777A JPS5389450A JP S5389450 A JPS5389450 A JP S5389450A JP 371777 A JP371777 A JP 371777A JP 371777 A JP371777 A JP 371777A JP S5389450 A JPS5389450 A JP S5389450A
Authority
JP
Japan
Prior art keywords
digital watch
display
faces
films
differences
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
JP371777A
Other languages
Japanese (ja)
Inventor
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 JP371777A priority Critical patent/JPS5389450A/en
Publication of JPS5389450A publication Critical patent/JPS5389450A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133502—Antiglare, refractive index matching layers

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal (AREA)

Abstract

PURPOSE:To eliminate unnecessary reflection on a display body, improve contrast and make the display easy to see by applying antireflection thin-films to all faces or a portion when the differences in refractive indices of adjoining faces in a display part are larger than 0.1.
JP371777A 1977-01-17 1977-01-17 Digital watch Pending JPS5389450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP371777A JPS5389450A (en) 1977-01-17 1977-01-17 Digital watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP371777A JPS5389450A (en) 1977-01-17 1977-01-17 Digital watch

Publications (1)

Publication Number Publication Date
JPS5389450A true JPS5389450A (en) 1978-08-07

Family

ID=11565059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP371777A Pending JPS5389450A (en) 1977-01-17 1977-01-17 Digital watch

Country Status (1)

Country Link
JP (1) JPS5389450A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0311227U (en) * 1989-06-15 1991-02-04
EP0604903A2 (en) * 1992-12-25 1994-07-06 Matsushita Electric Industrial Co., Ltd. Liquid crystal display panel
EP0696753A3 (en) * 1994-08-12 1997-07-23 Sony Corp Liquid crystal display and its manufacturing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0311227U (en) * 1989-06-15 1991-02-04
EP0604903A2 (en) * 1992-12-25 1994-07-06 Matsushita Electric Industrial Co., Ltd. Liquid crystal display panel
EP0604903A3 (en) * 1992-12-25 1995-04-12 Matsushita Electric Ind Co Inc Liquid crystal display panel.
EP0696753A3 (en) * 1994-08-12 1997-07-23 Sony Corp Liquid crystal display and its manufacturing method
AU700859B2 (en) * 1994-08-12 1999-01-14 Sony Corporation Liquid crystal display and its manufacturing method

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