NL7812214A - Weergeefinrichting met een vloeibaar kristal. - Google Patents
Weergeefinrichting met een vloeibaar kristal. Download PDFInfo
- Publication number
- NL7812214A NL7812214A NL7812214A NL7812214A NL7812214A NL 7812214 A NL7812214 A NL 7812214A NL 7812214 A NL7812214 A NL 7812214A NL 7812214 A NL7812214 A NL 7812214A NL 7812214 A NL7812214 A NL 7812214A
- Authority
- NL
- Netherlands
- Prior art keywords
- measuring element
- voltage
- excitation
- measuring
- circuit
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 24
- 230000005284 excitation Effects 0.000 claims description 50
- 238000005259 measurement Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7812214A NL7812214A (nl) | 1978-12-15 | 1978-12-15 | Weergeefinrichting met een vloeibaar kristal. |
| US06/091,429 US4298866A (en) | 1978-12-15 | 1979-11-05 | Liquid crystal display device having capacitance compensation |
| DE7979200730T DE2963085D1 (en) | 1978-12-15 | 1979-12-06 | Display device having a liquid crystal |
| EP79200730A EP0012479B1 (en) | 1978-12-15 | 1979-12-06 | Display device having a liquid crystal |
| CA000341408A CA1143490A (en) | 1978-12-15 | 1979-12-06 | Display device having a liquid crystal |
| AU53683/79A AU530293B2 (en) | 1978-12-15 | 1979-12-11 | Liquid crystal display |
| JP16216279A JPS55105292A (en) | 1978-12-15 | 1979-12-13 | Display unit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7812214 | 1978-12-15 | ||
| NL7812214A NL7812214A (nl) | 1978-12-15 | 1978-12-15 | Weergeefinrichting met een vloeibaar kristal. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7812214A true NL7812214A (nl) | 1980-06-17 |
Family
ID=19832080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7812214A NL7812214A (nl) | 1978-12-15 | 1978-12-15 | Weergeefinrichting met een vloeibaar kristal. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4298866A (OSRAM) |
| EP (1) | EP0012479B1 (OSRAM) |
| JP (1) | JPS55105292A (OSRAM) |
| AU (1) | AU530293B2 (OSRAM) |
| CA (1) | CA1143490A (OSRAM) |
| DE (1) | DE2963085D1 (OSRAM) |
| NL (1) | NL7812214A (OSRAM) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55130586A (en) * | 1979-03-30 | 1980-10-09 | Citizen Watch Co Ltd | Liquid crystal display unit |
| DE3113041A1 (de) * | 1980-04-01 | 1982-01-28 | Canon K.K., Tokyo | Verfahren und vorrichtung zur anzeige von informationen |
| EP0170297A3 (en) * | 1980-07-14 | 1986-06-11 | Texas Instruments Incorporated | A data processing system |
| US4390874A (en) * | 1981-01-09 | 1983-06-28 | Texas Instruments Incorporated | Liquid crystal display system having improved temperature compensation |
| CH632368B (fr) * | 1980-12-19 | Asulab Sa | Cellule d'affichage a cristaux liquides. | |
| US4395708A (en) * | 1980-12-22 | 1983-07-26 | Hughes Aircraft Company | Sampling and level shifting apparatus to operate in conjunction with a liquid crystal display for converting DC analog drive signals to AC signals |
| JPS58186796A (ja) * | 1982-04-26 | 1983-10-31 | 社団法人日本電子工業振興協会 | 液晶表示装置およびその駆動方法 |
| JPS599641A (ja) * | 1982-07-08 | 1984-01-19 | Nippon Denso Co Ltd | 液晶表示器駆動装置 |
| US4795248A (en) * | 1984-08-31 | 1989-01-03 | Olympus Optical Company Ltd. | Liquid crystal eyeglass |
| US4825201A (en) * | 1985-10-01 | 1989-04-25 | Mitsubishi Denki Kabushiki Kaisha | Display device with panels compared to form correction signals |
| US4738514A (en) * | 1986-01-16 | 1988-04-19 | Rca Corporation | Crystal variation compensation circuit for liquid crystal displays |
| US4888599A (en) * | 1987-10-23 | 1989-12-19 | Rockwell International Corp. | Real time apparatus for adjusting contrast ratio of liquid crystal displays |
| NL9002516A (nl) * | 1990-11-19 | 1992-06-16 | Philips Nv | Weergeefinrichting en werkwijze ter vervaardiging daarvan. |
| JPH04104624U (ja) * | 1991-02-20 | 1992-09-09 | 旭光学工業株式会社 | 液晶表示装置の制御装置 |
| GB9115401D0 (en) * | 1991-07-17 | 1991-09-04 | Philips Electronic Associated | Matrix display device and its method of operation |
| EP0811179B1 (en) | 1995-12-15 | 2006-03-01 | Koninklijke Philips Electronics N.V. | Liquid crystal display device |
| US6333728B1 (en) * | 1998-09-03 | 2001-12-25 | International Business Machines Corporation | Method and apparatus for real-time on-off contrast ratio optimization in liquid crystal displays |
| DE60112677T2 (de) * | 2000-03-14 | 2006-03-30 | Koninklijke Philips Electronics N.V. | Flüssigkristallanzeigevorrichtung mit mitteln zur temperaturkompensation der betriebsspannung |
| US6864883B2 (en) * | 2001-08-24 | 2005-03-08 | Koninklijke Philips Electronics N.V. | Display device |
| US20050041020A1 (en) * | 2003-06-17 | 2005-02-24 | Cubic Corporation | Wide temperature range PDLC shutter |
| US7742015B2 (en) * | 2005-10-21 | 2010-06-22 | Toshiba Matsushita Display Technology Co., Ltd. | Liquid crystal display device |
| GB2436389A (en) * | 2006-03-23 | 2007-09-26 | Sharp Kk | Active matrix liquid crystal device with temperature measuring capacitor |
| GB2436388A (en) | 2006-03-23 | 2007-09-26 | Sharp Kk | Active matrix liquid crystal device with temperature sensing capacitor arrangement |
| JP5227732B2 (ja) * | 2008-10-10 | 2013-07-03 | Ｄｉｃ株式会社 | 液晶温度センサー |
| KR101143558B1 (ko) | 2011-12-08 | 2012-06-14 | 주식회사 동운아나텍 | 액정렌즈 구동장치와 이를 포함하는 단말장치 및 그 온도 제어방법 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3410999A (en) * | 1965-06-29 | 1968-11-12 | Westinghouse Electric Corp | Display system utilizing a liquid crystalline material of the cholesteric phase |
| CH520937A (de) * | 1970-05-27 | 1972-03-31 | Bbc Brown Boveri & Cie | Anordnung zur Anzeige einer elektrischen Messspannung mittels eines sich zwischen zwei Elektroden flächig erstreckenden Anzeige-Mediums |
| US4045791A (en) * | 1972-04-06 | 1977-08-30 | Matsushita Electric Industrial Co., Ltd. | Apparatus for driving liquid crystal display device wherein the signal applied thereto is varied in accordance with the temperature of the device |
| GB1426896A (en) * | 1972-05-30 | 1976-03-03 | Matsushita Electric Industrial Co Ltd | Liquid crystal display system |
| US4128311A (en) * | 1977-08-01 | 1978-12-05 | General Motors Corporation | Heater control method for liquid crystal devices |
| DE2861538D1 (en) * | 1977-12-20 | 1982-02-25 | Secr Defence Brit | Liquid crystal displays |
-
1978
- 1978-12-15 NL NL7812214A patent/NL7812214A/nl not_active Application Discontinuation
-
1979
- 1979-11-05 US US06/091,429 patent/US4298866A/en not_active Expired - Lifetime
- 1979-12-06 EP EP79200730A patent/EP0012479B1/en not_active Expired
- 1979-12-06 CA CA000341408A patent/CA1143490A/en not_active Expired
- 1979-12-06 DE DE7979200730T patent/DE2963085D1/de not_active Expired
- 1979-12-11 AU AU53683/79A patent/AU530293B2/en not_active Ceased
- 1979-12-13 JP JP16216279A patent/JPS55105292A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU5368379A (en) | 1980-06-19 |
| EP0012479B1 (en) | 1982-06-09 |
| JPS6311679B2 (OSRAM) | 1988-03-15 |
| AU530293B2 (en) | 1983-07-07 |
| DE2963085D1 (en) | 1982-07-29 |
| EP0012479A1 (en) | 1980-06-25 |
| JPS55105292A (en) | 1980-08-12 |
| CA1143490A (en) | 1983-03-22 |
| US4298866A (en) | 1981-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1C | A request for examination has been filed | ||
| BI | The patent application has been withdrawn |