IT987608B - OPTICAL SIGNALING ELEMENT WITH LIQUID CRYSTAL LAYER - Google Patents

OPTICAL SIGNALING ELEMENT WITH LIQUID CRYSTAL LAYER

Info

Publication number: IT987608B
Authority: IT; Italy
Prior art keywords: liquid crystal; crystal layer; signaling element; optical signaling; optical
Prior art date: 1972-05-06

Application number

IT2366373A

Other languages

Italian (it)

Original Assignee

Deutsche Spiegelglas Ag

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.)

1972-05-06

Filing date

1973-05-03

Publication date

1975-03-20

1973-05-03 Application filed by Deutsche Spiegelglas Ag filed Critical Deutsche Spiegelglas Ag

1975-03-20 Application granted granted Critical

1975-03-20 Publication of IT987608B publication Critical patent/IT987608B/en

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
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
- 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
- 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
- G02F2203/00—Function characteristic
- G02F2203/09—Function characteristic transflective

Landscapes

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

IT2366373A 1972-05-06 1973-05-03 OPTICAL SIGNALING ELEMENT WITH LIQUID CRYSTAL LAYER IT987608B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19722222276 DE2222276B2 (en)	1972-05-06	1972-05-06	Optical display element with liquid crystal layer

Publications (1)

Publication Number	Publication Date
IT987608B true IT987608B (en)	1975-03-20

Family

ID=5844235

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT2366373A IT987608B (en)	1972-05-06	1973-05-03	OPTICAL SIGNALING ELEMENT WITH LIQUID CRYSTAL LAYER

Country Status (6)

Country	Link
JP (1)	JPS49101041A (en)
CH (1)	CH552862A (en)
DE (1)	DE2222276B2 (en)
FR (1)	FR2184300A5 (en)
GB (1)	GB1373206A (en)
IT (1)	IT987608B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5237483U (en) *	1975-09-10	1977-03-16
DE2930507A1 (en) *	1979-07-27	1981-02-12	Licentia Gmbh	DISPLAY DEVICE
DE3120601A1 (en) *	1981-05-23	1982-12-16	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Arrangement for reproducing information
US4810063A (en) *	1981-09-16	1989-03-07	Manchester R & D Partnership	Enhanced scattering voltage sensitive encapsulated liquid crystal with light directing and interference layer features
US4606611A (en) *	1981-09-16	1986-08-19	Manchester R & D Partnership	Enhanced scattering in voltage sensitive encapsulated liquid crystal
GB2118210B (en) *	1982-03-12	1985-10-16	Marconi Co Ltd	Reflectors for passive display devices
US4591233A (en) *	1983-03-21	1986-05-27	Manchester R & D Partnership	Enhanced scattering in voltage sensitive encapsulated liquid crystal with spaced apart absorber
JP2001209038A (en) *	1999-11-17	2001-08-03	Nippon Sheet Glass Co Ltd	Substrate for liquid crystal display element

1972
- 1972-05-06 DE DE19722222276 patent/DE2222276B2/en active Pending
1973
- 1973-04-19 GB GB1911373A patent/GB1373206A/en not_active Expired
- 1973-04-25 CH CH591073A patent/CH552862A/en not_active IP Right Cessation
- 1973-05-03 IT IT2366373A patent/IT987608B/en active
- 1973-05-04 JP JP48049222A patent/JPS49101041A/ja active Pending
- 1973-05-04 FR FR7316168A patent/FR2184300A5/fr not_active Expired

Also Published As

Publication number	Publication date
CH552862A (en)	1974-08-15
GB1373206A (en)	1974-11-06
DE2222276A1 (en)	1973-11-15
DE2222276B2 (en)	1974-10-03
JPS49101041A (en)	1974-09-25
FR2184300A5 (en)	1973-12-21

Publication	Publication Date	Title
IT997834B (en)	1975-12-30	LIQUID CRYSTAL LIGHT VALVE
SE383492B (en)	1976-03-15	LIQUID CRYSTAL MIRROR.
CH557568A (en)	1974-12-31	LIQUID CRYSTAL CELL.
BR7301050D0 (en)	1973-12-18	LIQUID BURRIFYER
NL7409684A (en)	1975-01-21	DISPLAY DEVICE WITH LIQUID CRYSTALS.
AT332763B (en)	1976-10-11	REFLECTIVE FILM
SE394755B (en)	1977-07-04	LIQUID CRYSTAL INDICATOR
CH556078A (en)	1974-11-15	LIQUID CRYSTAL DISPLAY DEVICE.
IT944202B (en)	1973-04-20	LIQUID OPYSTAL DISPLAY DEVICE
IT985866B (en)	1974-12-20	LIQUID CRYSTAL DISPLAY
NL155100B (en)	1977-11-15	ELECTRO-OPTICAL DISPLAY DEVICE.
IT942622B (en)	1973-04-02	SURFACTANT LIQUID
IT977448B (en)	1974-09-10	LIQUID LEVEL REGULATOR
IT961539B (en)	1973-12-10	METHOD FOR THE MANUFACTURE OF LIQUID CRYSTAL DEVICES
IT1048157B (en)	1980-11-20	LIQUID SHAMPOO
CH544983A (en)	1973-11-30	Liquid crystal display device
IT987608B (en)	1975-03-20	OPTICAL SIGNALING ELEMENT WITH LIQUID CRYSTAL LAYER
AT319632B (en)	1974-12-27	Piezoelectric crystal element
AT296406B (en)	1972-02-10	Liquid crystal element
BE756296A (en)	1971-03-17	MONOGRANULAR LAYER MEMBRANE
AT323249B (en)	1975-06-25	LIQUID CRYSTAL CELL
NL162484B (en)	1979-12-17	ELECTRO-OPTICAL DISPLAY DEVICE.
AT305392B (en)	1973-02-26	Liquid crystal cell
AR206687A1 (en)	1976-08-13	ELECTRO-OPTICAL DEVICE WITH LIQUID CRYSTAL
CH522234A (en)	1972-06-15	Liquid crystal electro-optical modulators