JP2021009200A - 液晶素子、照明装置 - Google Patents
液晶素子、照明装置 Download PDFInfo
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- JP2021009200A JP2021009200A JP2019121990A JP2019121990A JP2021009200A JP 2021009200 A JP2021009200 A JP 2021009200A JP 2019121990 A JP2019121990 A JP 2019121990A JP 2019121990 A JP2019121990 A JP 2019121990A JP 2021009200 A JP2021009200 A JP 2021009200A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 102
- 239000000758 substrate Substances 0.000 claims abstract description 91
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 18
- 238000002834 transmittance Methods 0.000 description 18
- 238000005259 measurement Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
- F21S41/64—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
- F21S41/645—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices by electro-optic means, e.g. liquid crystal or electrochromic devices
-
- 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
- G02F2203/48—Variable attenuator
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
[2]本発明に係る一態様の照明装置は、(a)配光パターンを可変に設定可能な照明装置であって、(b)光源と、(c)前記光源からの光を用いて前記配光パターンに対応する画像を形成する液晶素子と、(d)前記液晶素子によって形成された前記画像を投影する光学系と、を含み、(e)前記液晶素子として前記何れかに記載の液晶素子を用いる、照明装置である。
Vdown=(Cin/(Cin+CLC))・Vup
Cin=(S/din)・εin
CLC=(S/dLC)・εLC
Claims (6)
- 第1基板と、
前記第1基板に対向配置された第2基板と、
前記第1基板の第2基板側の面に配置された第1画素領域に対応する第1画素電極と、
前記第1基板の第2基板側の面に配置された第2画素領域に対応する第2画素電極と、
前記第2基板の前記第1基板側に配置された共通電極と、
前記第1画素電極及び前記第2画素電極と前記共通電極との間に配置された液晶層と、を備え、
前記第1画素電極と前記第2画素電極は、前記第1基板上において異なる層に設けられており、各々の端部同士が平面視において部分的に重なるように配置されている、
液晶素子。 - 前記第1画素電極は、前記第1基板上において前記第2画素電極よりも前記第1基板側に配置されている、
請求項1に記載の液晶素子。 - 更に、前記第1画素電極、前記第2画素電極および前記共通電極に電気的に接続され、前記第1画素電極と前記共通電極との間、および、前記第2画素電極と前記共通電極との間に電圧を印加するための液晶駆動装置と、を備え、
前記第1画素領域と前記第2画素領域とを同一階調にする際に、前記液晶駆動装置によって前記第1画素電極と前記共通電極との間に印加する第1電圧を前記第2画素電極と前記共通電極に印加する第2電圧よりも高く設定する、
請求項2に記載の液晶素子。 - 前記第1基板上において前記第1画素電極と前記第2画素電極との間に設けられた絶縁膜を更に含み、
前記第1電圧と前記第2電圧の差は、前記絶縁膜を介して前記第1画素電極から前記液晶層に電圧を印加する際に当該絶縁膜によって分圧される電圧に相当するものである、
請求項3に記載の液晶素子。 - 前記第1画素電極に接続される第1配線部と、
前記第2画素電極に接続される第2配線部と、
を更に含み、
前記第1配線部及び前記第2配線部は、前記第1基板上において前記絶縁膜を介して前記第2画素電極よりも前記第1基板側に配置されており、
前記第2配線部は、前記絶縁膜に設けられた開口部を介して前記第2画素電極と接続されている、
請求項4に記載の液晶素子。 - 配光パターンを可変に設定可能な照明装置であって、
光源と、
前記光源からの光を用いて前記配光パターンに対応する画像を形成する液晶素子と、
前記液晶素子によって形成された前記画像を投影する光学系と、
を含み、
前記液晶素子として請求項1〜5の何れかに記載の液晶素子を用いる、
照明装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2019121990A JP7345293B2 (ja) | 2019-06-28 | 2019-06-28 | 液晶素子、照明装置 |
US17/623,121 US11906854B2 (en) | 2019-06-28 | 2020-06-15 | Liquid crystal element, lighting apparatus |
PCT/JP2020/023374 WO2020262066A1 (ja) | 2019-06-28 | 2020-06-15 | 液晶素子、照明装置 |
CN202080042906.3A CN114008522B (zh) | 2019-06-28 | 2020-06-15 | 液晶元件、照明装置 |
EP20833071.2A EP3992704A4 (en) | 2019-06-28 | 2020-06-15 | LIQUID CRYSTAL ELEMENT AND LIGHTING DEVICE |
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JP2019121990A JP7345293B2 (ja) | 2019-06-28 | 2019-06-28 | 液晶素子、照明装置 |
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JP2021009200A true JP2021009200A (ja) | 2021-01-28 |
JP2021009200A5 JP2021009200A5 (ja) | 2022-05-25 |
JP7345293B2 JP7345293B2 (ja) | 2023-09-15 |
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US (1) | US11906854B2 (ja) |
EP (1) | EP3992704A4 (ja) |
JP (1) | JP7345293B2 (ja) |
CN (1) | CN114008522B (ja) |
WO (1) | WO2020262066A1 (ja) |
Cited By (1)
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WO2023106065A1 (ja) * | 2021-12-09 | 2023-06-15 | スタンレー電気株式会社 | 液晶装置、液晶装置の駆動方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06160875A (ja) * | 1992-11-20 | 1994-06-07 | Seiko Epson Corp | 液晶表示装置 |
JPH1144893A (ja) * | 1997-04-18 | 1999-02-16 | Hyundai Electron Ind Co Ltd | 液晶表示装置及びその製造方法 |
JP2009063696A (ja) * | 2007-09-05 | 2009-03-26 | Sony Corp | 液晶表示装置 |
JP2011180583A (ja) * | 2010-02-05 | 2011-09-15 | Semiconductor Energy Lab Co Ltd | 液晶表示装置 |
JP2018190687A (ja) * | 2017-05-11 | 2018-11-29 | スタンレー電気株式会社 | ランプユニット、車両用灯具システム |
US20180366491A1 (en) * | 2016-09-26 | 2018-12-20 | Boe Technology Group Co., Ltd. | Array substrate and manufacturing method thereof, display panel and display device |
JP2019040727A (ja) * | 2017-08-24 | 2019-03-14 | スタンレー電気株式会社 | 車両用前照灯システム |
Family Cites Families (6)
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JP2005183327A (ja) | 2003-12-24 | 2005-07-07 | Stanley Electric Co Ltd | 車両前照灯 |
EP2012179B1 (en) * | 2006-04-24 | 2011-06-15 | Sharp Kabushiki Kaisha | Liquid crystal display device |
CN101821791B (zh) * | 2008-01-10 | 2012-11-21 | 夏普株式会社 | 有源矩阵基板及液晶显示装置 |
JP2011027886A (ja) * | 2009-07-23 | 2011-02-10 | Seiko Epson Corp | 液晶装置の製造方法、液晶装置、電子機器 |
JP2012113215A (ja) * | 2010-11-26 | 2012-06-14 | Stanley Electric Co Ltd | 液晶素子 |
JP6808335B2 (ja) * | 2016-03-11 | 2021-01-06 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
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- 2019-06-28 JP JP2019121990A patent/JP7345293B2/ja active Active
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2020
- 2020-06-15 CN CN202080042906.3A patent/CN114008522B/zh active Active
- 2020-06-15 WO PCT/JP2020/023374 patent/WO2020262066A1/ja active Application Filing
- 2020-06-15 US US17/623,121 patent/US11906854B2/en active Active
- 2020-06-15 EP EP20833071.2A patent/EP3992704A4/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06160875A (ja) * | 1992-11-20 | 1994-06-07 | Seiko Epson Corp | 液晶表示装置 |
JPH1144893A (ja) * | 1997-04-18 | 1999-02-16 | Hyundai Electron Ind Co Ltd | 液晶表示装置及びその製造方法 |
JP2009063696A (ja) * | 2007-09-05 | 2009-03-26 | Sony Corp | 液晶表示装置 |
JP2011180583A (ja) * | 2010-02-05 | 2011-09-15 | Semiconductor Energy Lab Co Ltd | 液晶表示装置 |
US20180366491A1 (en) * | 2016-09-26 | 2018-12-20 | Boe Technology Group Co., Ltd. | Array substrate and manufacturing method thereof, display panel and display device |
JP2018190687A (ja) * | 2017-05-11 | 2018-11-29 | スタンレー電気株式会社 | ランプユニット、車両用灯具システム |
JP2019040727A (ja) * | 2017-08-24 | 2019-03-14 | スタンレー電気株式会社 | 車両用前照灯システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023106065A1 (ja) * | 2021-12-09 | 2023-06-15 | スタンレー電気株式会社 | 液晶装置、液晶装置の駆動方法 |
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CN114008522A (zh) | 2022-02-01 |
WO2020262066A1 (ja) | 2020-12-30 |
US20220229334A1 (en) | 2022-07-21 |
CN114008522B (zh) | 2024-03-12 |
JP7345293B2 (ja) | 2023-09-15 |
US11906854B2 (en) | 2024-02-20 |
EP3992704A1 (en) | 2022-05-04 |
EP3992704A4 (en) | 2023-01-25 |
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