DE2744034A1 - Lichtzerstreuender reflektor fuer elektrooptische anzeigen und verfahren zur herstellung eines derartigen reflektors - Google Patents

Lichtzerstreuender reflektor fuer elektrooptische anzeigen und verfahren zur herstellung eines derartigen reflektors

Info

Publication number
DE2744034A1
DE2744034A1 DE19772744034 DE2744034A DE2744034A1 DE 2744034 A1 DE2744034 A1 DE 2744034A1 DE 19772744034 DE19772744034 DE 19772744034 DE 2744034 A DE2744034 A DE 2744034A DE 2744034 A1 DE2744034 A1 DE 2744034A1
Authority
DE
Germany
Prior art keywords
reflector
depressions
preferred direction
bbc
reflector according
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.)
Granted
Application number
DE19772744034
Other languages
German (de)
English (en)
Other versions
DE2744034C2 (en, 2012
Inventor
Alain Dr Perregaux
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.)
Koninklijke Philips NV
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of DE2744034A1 publication Critical patent/DE2744034A1/de
Application granted granted Critical
Publication of DE2744034C2 publication Critical patent/DE2744034C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE19772744034 1977-08-30 1977-09-30 Lichtzerstreuender reflektor fuer elektrooptische anzeigen und verfahren zur herstellung eines derartigen reflektors Granted DE2744034A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1053977A CH618018A5 (en, 2012) 1977-08-30 1977-08-30

Publications (2)

Publication Number Publication Date
DE2744034A1 true DE2744034A1 (de) 1979-03-08
DE2744034C2 DE2744034C2 (en, 2012) 1989-03-02

Family

ID=4364287

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772744034 Granted DE2744034A1 (de) 1977-08-30 1977-09-30 Lichtzerstreuender reflektor fuer elektrooptische anzeigen und verfahren zur herstellung eines derartigen reflektors

Country Status (7)

Country Link
US (1) US4415236A (en, 2012)
JP (2) JPS5447669A (en, 2012)
AT (1) ATA259378A (en, 2012)
CH (1) CH618018A5 (en, 2012)
DE (1) DE2744034A1 (en, 2012)
GB (1) GB1599088A (en, 2012)
HK (1) HK1383A (en, 2012)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017922A1 (fr) * 1979-04-13 1980-10-29 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Structure de surface diffusante pour un guide de lumière de dispositif d'affichage d'informations
DE2930507A1 (de) * 1979-07-27 1981-02-12 Licentia Gmbh Anzeigevorrichtung
US4431272A (en) * 1980-05-08 1984-02-14 Kabushiki Kaisha Suwa Seikosha Liquid crystal display device
US4508428A (en) * 1981-02-16 1985-04-02 Canon Kabushiki Kaisha Ink projections on the polarizer of an electro-optic display
EP0205176A1 (de) * 1985-06-12 1986-12-17 Aesculap Ag Chirurgisches Instrument
US4648691A (en) * 1979-12-27 1987-03-10 Seiko Epson Kabushiki Kaisha Liquid crystal display device having diffusely reflective picture electrode and pleochroic dye
EP0490132A3 (en) * 1990-12-07 1992-11-19 American Telephone And Telegraph Company Lcd display with multifaceted back reflector

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931519A (ja) * 1982-08-13 1984-02-20 キヤノン株式会社 キ−ボ−ドスイツチ
US4915478A (en) * 1988-10-05 1990-04-10 The United States Of America As Represented By The Secretary Of The Navy Low power liquid crystal display backlight
JP3077957B2 (ja) * 1993-07-21 2000-08-21 シャープ株式会社 反射型表示装置
GB2306229B (en) * 1995-10-13 1999-04-07 Ibm Diffusely reflective display cell
US6138490A (en) * 1998-07-17 2000-10-31 Pechiney Rolled Products Llc Process for rendering a metal sheet suitable for lighting applications and sheet produced thereby
JP2000147484A (ja) * 1998-11-12 2000-05-26 Mitsubishi Electric Corp 液晶表示装置
DE102010007840A1 (de) * 2010-02-11 2011-08-11 Wieland-Werke AG, 89079 Elektromechanisches Bauelement oder Gleitelement
US9533081B1 (en) 2013-03-11 2017-01-03 Quint Barefoot Wound canister waste solidification system
US10006241B2 (en) 2013-03-21 2018-06-26 Moshe Tusk Cabinet door system with removable exposed surfaces
CN112635603A (zh) * 2021-01-08 2021-04-09 常州回天新材料有限公司 一种光伏组件的透明网格背板及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389951A (en) * 1963-07-01 1968-06-25 Gen Electric Diffuse reflector incorporating wire mesh structure
DE2260985A1 (de) * 1971-12-13 1973-06-20 Eastman Kodak Co Strahlungsverteilungsvorrichtung
DE2531372A1 (de) * 1975-06-27 1977-01-13 Bbc Brown Boveri & Cie Reflektor mit lichtzerstreuender oberflaeche fuer fluessigkristallanzeigen und verfahren zu seiner herstellung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881809A (en) * 1972-03-10 1975-05-06 Hoffmann La Roche Reflection system for liquid crystal displays
GB1434906A (en) * 1972-08-04 1976-05-12 Marconi Co Ltd Liquid crystal display arrangements
JPS5029334A (en, 2012) * 1973-07-14 1975-03-25
US4043636A (en) * 1974-12-23 1977-08-23 Intel Corporation Illumination-panel for liquid crystal display of similar device
US4042294A (en) * 1976-03-17 1977-08-16 Micro Display Systems Inc Illuminated electro-optical display apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389951A (en) * 1963-07-01 1968-06-25 Gen Electric Diffuse reflector incorporating wire mesh structure
DE2260985A1 (de) * 1971-12-13 1973-06-20 Eastman Kodak Co Strahlungsverteilungsvorrichtung
DE2531372A1 (de) * 1975-06-27 1977-01-13 Bbc Brown Boveri & Cie Reflektor mit lichtzerstreuender oberflaeche fuer fluessigkristallanzeigen und verfahren zu seiner herstellung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017922A1 (fr) * 1979-04-13 1980-10-29 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Structure de surface diffusante pour un guide de lumière de dispositif d'affichage d'informations
FR2454135A1 (fr) * 1979-04-13 1980-11-07 Suisse Horlogerie Structure de surface diffusante pour un guide de lumiere de dispositif d'affichage d'informations
DE2930507A1 (de) * 1979-07-27 1981-02-12 Licentia Gmbh Anzeigevorrichtung
US4648691A (en) * 1979-12-27 1987-03-10 Seiko Epson Kabushiki Kaisha Liquid crystal display device having diffusely reflective picture electrode and pleochroic dye
US4431272A (en) * 1980-05-08 1984-02-14 Kabushiki Kaisha Suwa Seikosha Liquid crystal display device
US4508428A (en) * 1981-02-16 1985-04-02 Canon Kabushiki Kaisha Ink projections on the polarizer of an electro-optic display
EP0205176A1 (de) * 1985-06-12 1986-12-17 Aesculap Ag Chirurgisches Instrument
EP0490132A3 (en) * 1990-12-07 1992-11-19 American Telephone And Telegraph Company Lcd display with multifaceted back reflector

Also Published As

Publication number Publication date
US4415236A (en) 1983-11-15
CH618018A5 (en, 2012) 1980-06-30
DE2744034C2 (en, 2012) 1989-03-02
JPS61165522U (en, 2012) 1986-10-14
JPS5447669A (en) 1979-04-14
HK1383A (en) 1983-01-13
ATA259378A (de) 1982-01-15
GB1599088A (en) 1981-09-30

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Legal Events

Date Code Title Description
OAM Search report available
OC Search report available
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN, EINDHOVEN, NL

8128 New person/name/address of the agent

Representative=s name: DAVID, G., PAT.-ASS., 2000 HAMBURG

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee