IT961649B - Perfezionamento nei dispositivi di presentazione a cristalli liquidi - Google Patents
Perfezionamento nei dispositivi di presentazione a cristalli liquidiInfo
- Publication number
- IT961649B IT961649B IT51693/72A IT5169372A IT961649B IT 961649 B IT961649 B IT 961649B IT 51693/72 A IT51693/72 A IT 51693/72A IT 5169372 A IT5169372 A IT 5169372A IT 961649 B IT961649 B IT 961649B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- liquid crystal
- presentation devices
- crystal presentation
- devices
- Prior art date
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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/049—Equivalence and options
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/051—Etching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/085—Isolated-integrated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/115—Orientation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/145—Shaped junctions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/978—Semiconductor device manufacturing: process forming tapered edges on substrate or adjacent layers
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal Display Device Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16842571A | 1971-08-02 | 1971-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT961649B true IT961649B (it) | 1973-12-10 |
Family
ID=22611431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51693/72A IT961649B (it) | 1971-08-02 | 1972-07-21 | Perfezionamento nei dispositivi di presentazione a cristalli liquidi |
Country Status (8)
Country | Link |
---|---|
US (1) | US3765747A (it) |
JP (1) | JPS5721713B2 (it) |
CA (1) | CA981778A (it) |
CH (1) | CH578220A5 (it) |
DE (1) | DE2237273A1 (it) |
FR (1) | FR2149808A5 (it) |
GB (1) | GB1394750A (it) |
IT (1) | IT961649B (it) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4050786A (en) * | 1971-08-31 | 1977-09-27 | Transparent Conductors, Inc. | Liquid crystal display device having particulate spacers in liquid crystal area and method of fabrication |
JPS5225099B2 (it) * | 1972-06-06 | 1977-07-05 | ||
US3866313A (en) * | 1973-04-11 | 1975-02-18 | Microma Inc | Method of manufacturing liquid crystal display |
US3862360A (en) * | 1973-04-18 | 1975-01-21 | Hughes Aircraft Co | Liquid crystal display system with integrated signal storage circuitry |
DE2560218C2 (de) * | 1975-09-13 | 1982-04-29 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anzeigeeinrichtung zur visuellen Informationsdarstellung |
DE2541003C3 (de) | 1975-09-13 | 1981-05-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Festkörperschaltkreis |
CH596564A5 (it) * | 1976-07-09 | 1978-03-15 | Ebauches Sa | |
US4094582A (en) * | 1976-10-18 | 1978-06-13 | Rca Corporation | Liquid crystal matrix display device with transistors |
US4204217A (en) * | 1976-10-18 | 1980-05-20 | Rca Corporation | Transistor using liquid crystal |
DE2715446A1 (de) * | 1977-04-06 | 1978-10-12 | Siemens Ag | Anzeigevorrichtung |
DE2722018C2 (de) * | 1977-05-14 | 1983-12-08 | Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg | Flüssigkristallblende |
US4185894A (en) * | 1978-03-13 | 1980-01-29 | Hughes Aircraft Company | Dielectric reflector for selective wavelength reflection |
DE2850518A1 (de) * | 1978-11-22 | 1980-06-26 | Rau Swf Autozubehoer | Vorrichtung zur anzeige von messwerten |
DE2922400A1 (de) * | 1979-06-01 | 1980-12-11 | Moto Meter Ag | Anzeigevorrichtung mit anzeigefeld, insbesondere fuer kraftfahrzeuge |
GB2056739B (en) * | 1979-07-30 | 1984-03-21 | Sharp Kk | Segmented type liquid crystal display and driving method thereof |
JPS5672418A (en) * | 1979-11-19 | 1981-06-16 | Matsushita Electric Ind Co Ltd | Liquid crystal display unit |
JPS5672421A (en) * | 1979-11-19 | 1981-06-16 | Matsushita Electric Ind Co Ltd | Liquid-crystal display panel |
EP0044618A3 (en) * | 1980-06-19 | 1982-06-30 | Itt Industries, Inc. | Liquid crystal display devices |
US4409724A (en) * | 1980-11-03 | 1983-10-18 | Texas Instruments Incorporated | Method of fabricating display with semiconductor circuits on monolithic structure and flat panel display produced thereby |
US4363029A (en) * | 1980-11-17 | 1982-12-07 | Texas Instruments Incorporated | Switch for sensing proximity of an operator |
US4699470A (en) * | 1984-06-12 | 1987-10-13 | Taliq Corporation | NCAP liquid crystal apparatus incorporating a control means and an electrode means thereof incorporating a circuit means |
GB8527022D0 (en) * | 1985-11-01 | 1985-12-04 | Crane Packing Ltd | Mechanical face seals |
US4728802A (en) * | 1986-01-21 | 1988-03-01 | Ovonic Imaging Systems, Inc. | Balanced drive photosensitive pixel and method of operating the same |
US4731610A (en) * | 1986-01-21 | 1988-03-15 | Ovonic Imaging Systems, Inc. | Balanced drive electronic matrix system and method of operating the same |
US5327001A (en) * | 1987-09-09 | 1994-07-05 | Casio Computer Co., Ltd. | Thin film transistor array having single light shield layer over transistors and gate and drain lines |
US5032883A (en) * | 1987-09-09 | 1991-07-16 | Casio Computer Co., Ltd. | Thin film transistor and method of manufacturing the same |
US5166085A (en) * | 1987-09-09 | 1992-11-24 | Casio Computer Co., Ltd. | Method of manufacturing a thin film transistor |
US5229644A (en) * | 1987-09-09 | 1993-07-20 | Casio Computer Co., Ltd. | Thin film transistor having a transparent electrode and substrate |
CA1313563C (en) * | 1988-10-26 | 1993-02-09 | Makoto Sasaki | Thin film transistor panel |
US5065148A (en) * | 1989-07-31 | 1991-11-12 | Motorola, Inc. | LCD driver a generator |
US5491571A (en) * | 1993-01-19 | 1996-02-13 | Hughes Aircraft Company | Liquid crystal display including electrodes and driver devices integrally formed in monocrystalline semiconductor layer |
GB2279798B (en) * | 1993-01-19 | 1996-11-06 | Hughes Aircraft Co | Active matrix liquid crystal display |
JP3126630B2 (ja) * | 1994-06-20 | 2001-01-22 | キヤノン株式会社 | ディスプレイ |
US5694155A (en) * | 1995-04-25 | 1997-12-02 | Stapleton; Robert E. | Flat panel display with edge contacting image area and method of manufacture thereof |
US6784966B2 (en) | 2001-03-06 | 2004-08-31 | Seiko Epson Corp. | Liquid crystal device, projection type display and electronic equipment |
US6703996B2 (en) * | 2001-06-08 | 2004-03-09 | Koninklijke Philips Electronics N.V. | Device and method for addressing LCD pixels |
JP4443865B2 (ja) * | 2002-06-24 | 2010-03-31 | 富士フイルム株式会社 | 固体撮像装置およびその製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3442011A (en) * | 1965-06-30 | 1969-05-06 | Texas Instruments Inc | Method for isolating individual devices in an integrated circuit monolithic bar |
US3486892A (en) * | 1966-01-13 | 1969-12-30 | Raytheon Co | Preferential etching technique |
US3476592A (en) * | 1966-01-14 | 1969-11-04 | Ibm | Method for producing improved epitaxial films |
US3513022A (en) * | 1967-04-26 | 1970-05-19 | Rca Corp | Method of fabricating semiconductor devices |
US3500140A (en) * | 1967-06-19 | 1970-03-10 | Hitachi Ltd | Multichannel integrated devices consisting of darlington circuits |
US3499702A (en) * | 1967-12-05 | 1970-03-10 | Rca Corp | Nematic liquid crystal mixtures for use in a light valve |
US3505804A (en) * | 1968-04-23 | 1970-04-14 | Rca Corp | Solid state clock |
US3668861A (en) * | 1970-11-17 | 1972-06-13 | Suwa Seikosha Kk | Solid state electronic watch |
US3674341A (en) * | 1970-12-08 | 1972-07-04 | Scm Corp | Liquid crystal display device having improved optical contrast |
US3655270A (en) * | 1971-06-01 | 1972-04-11 | Linda Truitt Creagh | Electro-optical display devices using nematic mixtures with very wide temperature ranges |
JPS5127997A (en) * | 1974-09-02 | 1976-03-09 | Shinei Kk | Arukoorunodo sokuteikirokusochi |
-
1971
- 1971-08-02 US US00168425A patent/US3765747A/en not_active Expired - Lifetime
-
1972
- 1972-07-21 IT IT51693/72A patent/IT961649B/it active
- 1972-07-21 GB GB3421772A patent/GB1394750A/en not_active Expired
- 1972-07-28 DE DE2237273A patent/DE2237273A1/de not_active Ceased
- 1972-08-01 CH CH1139972A patent/CH578220A5/xx not_active IP Right Cessation
- 1972-08-01 CA CA148,431A patent/CA981778A/en not_active Expired
- 1972-08-01 JP JP7725872A patent/JPS5721713B2/ja not_active Expired
- 1972-08-01 FR FR7227670A patent/FR2149808A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4826095A (it) | 1973-04-05 |
JPS5721713B2 (it) | 1982-05-08 |
GB1394750A (en) | 1975-05-21 |
FR2149808A5 (it) | 1973-03-30 |
CH578220A5 (it) | 1976-07-30 |
CA981778A (en) | 1976-01-13 |
DE2237273A1 (de) | 1973-02-15 |
US3765747A (en) | 1973-10-16 |
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