IT987357B - IMPROVEMENTS TO DISPLAY DEVICES IN PARTICULAR TO THOSE USING LIQUID CRYSTALS - Google Patents
IMPROVEMENTS TO DISPLAY DEVICES IN PARTICULAR TO THOSE USING LIQUID CRYSTALSInfo
- Publication number
- IT987357B IT987357B IT2385773A IT2385773A IT987357B IT 987357 B IT987357 B IT 987357B IT 2385773 A IT2385773 A IT 2385773A IT 2385773 A IT2385773 A IT 2385773A IT 987357 B IT987357 B IT 987357B
- Authority
- IT
- Italy
- Prior art keywords
- those
- display devices
- liquid crystals
- crystals
- liquid
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134336—Matrix
-
- 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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7216760A FR2184188A5 (en) | 1972-05-10 | 1972-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT987357B true IT987357B (en) | 1975-02-20 |
Family
ID=9098309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2385773A IT987357B (en) | 1972-05-10 | 1973-05-09 | IMPROVEMENTS TO DISPLAY DEVICES IN PARTICULAR TO THOSE USING LIQUID CRYSTALS |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH584953A5 (en) |
DE (1) | DE2323059C2 (en) |
FR (1) | FR2184188A5 (en) |
GB (1) | GB1434121A (en) |
IT (1) | IT987357B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2620530C2 (en) | 1975-05-12 | 1982-05-13 | Hitachi, Ltd., Tokyo | Liquid crystal matrix display |
US4231640A (en) * | 1977-07-07 | 1980-11-04 | Sharp Kabushiki Kaisha | Matrix type liquid crystal display panel |
JPS5917430B2 (en) * | 1977-10-31 | 1984-04-21 | シャープ株式会社 | Matrix type liquid crystal display device |
JPS5577790A (en) * | 1978-12-08 | 1980-06-11 | Seiko Instr & Electronics | Multiplex liquid crystal display unit |
JPS5924061Y2 (en) * | 1979-04-27 | 1984-07-17 | シャープ株式会社 | Electrode structure of matrix type liquid crystal display device |
GB2151832B (en) * | 1983-12-16 | 1987-08-19 | Standard Telephones Cables Ltd | Electro optic flat panel display |
DE3420549C1 (en) * | 1984-05-28 | 1986-01-02 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Arrangement for the variable graphical representation of shapes and/or curves by means of LCD crystals |
GB2184280B (en) * | 1985-04-16 | 1989-07-05 | Telebeam Int Ltd | Display apparatus |
EP0255158A3 (en) * | 1986-07-07 | 1989-09-27 | Koninklijke Philips Electronics N.V. | Data display device |
GB2213305A (en) * | 1987-12-04 | 1989-08-09 | Emi Plc Thorn | Display device |
GB2217088A (en) * | 1988-04-05 | 1989-10-18 | English Electric Valve Co Ltd | Optical display panel |
FR2656144A1 (en) * | 1989-12-18 | 1991-06-21 | Asulab Sa | Electronic display device |
GB2239342A (en) * | 1989-12-21 | 1991-06-26 | Yeebo Semiconductor Limited | Liquid crystal display |
JPH0628887U (en) * | 1992-09-18 | 1994-04-15 | パイオニア株式会社 | Display device |
EP1811492A1 (en) * | 2006-01-23 | 2007-07-25 | TPO Hong Kong Holding Limited | Active matrix display device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3322485A (en) * | 1962-11-09 | 1967-05-30 | Rca Corp | Electro-optical elements utilizing an organic nematic compound |
US3479646A (en) * | 1968-06-10 | 1969-11-18 | Northrop Corp | Digitally addressed solid state electroluminescent display device |
US3566391A (en) * | 1968-09-06 | 1971-02-23 | Hartman Systems Co Inc | Multilayer electroluminescent display apparatus having multiple,selectively energizable electrode elements forming composite electrodes of predetermined configuration |
-
1972
- 1972-05-10 FR FR7216760A patent/FR2184188A5/fr not_active Expired
-
1973
- 1973-05-08 DE DE19732323059 patent/DE2323059C2/en not_active Expired
- 1973-05-09 IT IT2385773A patent/IT987357B/en active
- 1973-05-09 CH CH654673A patent/CH584953A5/xx not_active IP Right Cessation
- 1973-05-10 GB GB2244573A patent/GB1434121A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1434121A (en) | 1976-05-05 |
FR2184188A5 (en) | 1973-12-21 |
CH584953A5 (en) | 1977-02-15 |
DE2323059A1 (en) | 1973-11-22 |
DE2323059C2 (en) | 1982-05-13 |
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