GB1511586A - Reflector for liquid crystal indicators and a method of production of it - Google Patents

Reflector for liquid crystal indicators and a method of production of it

Info

Publication number
GB1511586A
GB1511586A GB3838575A GB3838575A GB1511586A GB 1511586 A GB1511586 A GB 1511586A GB 3838575 A GB3838575 A GB 3838575A GB 3838575 A GB3838575 A GB 3838575A GB 1511586 A GB1511586 A GB 1511586A
Authority
GB
United Kingdom
Prior art keywords
paint
reflector
polarizer
liquid crystal
sept
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.)
Expired
Application number
GB3838575A
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Publication of GB1511586A publication Critical patent/GB1511586A/en
Expired 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 
    • G02F1/19—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 variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
    • G02F1/195—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 variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169 by using frustrated reflection
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004—Reflecting paints; Signal paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/38—Paints containing free metal not provided for above in groups C09D5/00 - C09D5/36
    • 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
    • G02F1/133553—Reflecting elements

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

1511586 Controlling light BBC BROWN BOVERI & CO Ltd 18 Sept 1975 [20 Sept 1974] 38385/75 Heading G2F A display device comprises a polarizer between a liquid crystal cell, e.g. an electro-optic nematic "twist" cell, and a reflector formed of bronze paint i.e. comprising flaky metallic pigment. The paint may be coated on the polarizer or on a further substrate. The pigment may comprise A1 powder, goldcoloured Cu or Cu-Zn alloys or silver coloured Cu-Zn-Ni alloys and may be heated in iron pans to give other colours ("temper tints") or mixed with tar colourants for the same purpose. Suitable binders are proposed. The paint may be applied by screen or roll printing. A further layer of a transparent (but coloured) paint may be provided between the polarizer and reflector. Different parts of the device may thereby be caused to have different colours.
GB3838575A 1974-09-20 1975-09-18 Reflector for liquid crystal indicators and a method of production of it Expired GB1511586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1277674A CH576647A5 (en) 1974-09-20 1974-09-20

Publications (1)

Publication Number Publication Date
GB1511586A true GB1511586A (en) 1978-05-24

Family

ID=4386283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3838575A Expired GB1511586A (en) 1974-09-20 1975-09-18 Reflector for liquid crystal indicators and a method of production of it

Country Status (7)

Country Link
JP (1) JPS5199054A (en)
CA (1) CA1043898A (en)
CH (1) CH576647A5 (en)
DE (2) DE2449602A1 (en)
FR (1) FR2285621A1 (en)
GB (1) GB1511586A (en)
NL (1) NL7510964A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118210A (en) * 1982-03-12 1983-10-26 Marconi Co Ltd Reflectors for passive display devices
US20130271711A1 (en) * 2012-04-13 2013-10-17 Shenzhen China Star Optoelectronics Technology Co, Ltd. Method for Forming Reflector and Reflective Liquid Crystal Display Manufactured with Same
WO2013152529A1 (en) * 2012-04-13 2013-10-17 深圳市华星光电技术有限公司 Reflector formation method and reflection-type liquid crystal display prepared using same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832459A (en) * 1984-02-06 1989-05-23 Rogers Corporation Backlighting for electro-optical passive displays and transflective layer useful therewith
DE3577928D1 (en) * 1984-07-20 1990-06-28 Rogers Corp REAR LIGHTING FOR PASSIVE ELECTRO-OPTICAL DISPLAY DEVICES AND TRANSFECTIVE LAYER USED THEREFORE.
JP2924055B2 (en) * 1989-12-08 1999-07-26 セイコーエプソン株式会社 Reflective liquid crystal display

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118210A (en) * 1982-03-12 1983-10-26 Marconi Co Ltd Reflectors for passive display devices
US20130271711A1 (en) * 2012-04-13 2013-10-17 Shenzhen China Star Optoelectronics Technology Co, Ltd. Method for Forming Reflector and Reflective Liquid Crystal Display Manufactured with Same
WO2013152529A1 (en) * 2012-04-13 2013-10-17 深圳市华星光电技术有限公司 Reflector formation method and reflection-type liquid crystal display prepared using same
US8913218B2 (en) * 2012-04-13 2014-12-16 Shenzhen China Star Optoelectronics Technology Co., Ltd. Method for forming reflector and reflective liquid crystal display manufactured with same

Also Published As

Publication number Publication date
DE7434872U (en) 1976-07-22
JPS5199054A (en) 1976-09-01
FR2285621A1 (en) 1976-04-16
NL7510964A (en) 1976-03-23
CH576647A5 (en) 1976-06-15
FR2285621B3 (en) 1978-05-05
CA1043898A (en) 1978-12-05
DE2449602A1 (en) 1976-04-01

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee