JP7160536B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
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- JP7160536B2 JP7160536B2 JP2018009808A JP2018009808A JP7160536B2 JP 7160536 B2 JP7160536 B2 JP 7160536B2 JP 2018009808 A JP2018009808 A JP 2018009808A JP 2018009808 A JP2018009808 A JP 2018009808A JP 7160536 B2 JP7160536 B2 JP 7160536B2
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- Japan
- Prior art keywords
- liquid crystal
- crystal element
- substrate
- light
- transmittance
- Prior art date
- Legal status (The legal status 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 status listed.)
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-
- 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
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/135—Polarised
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133742—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homeotropic alignment
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133773—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers the alignment material or treatment being different for the two opposite substrates
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13712—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering the liquid crystal having negative dielectric anisotropy
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
12 調光部
12a 液晶素子
12b、12c 偏光板
13 レンズ
14 制御装置
20 液晶素子
21 上側基板
21a 上側透明基板
21b 上側透明電極
21c 上側配向膜
22 下側基板
22a 下側透明基板
22b 下側透明電極
22c 下側配向膜
23 液晶層
24 シール部
30 光源
31 セパレータ
32 リフレクタ
33、34 偏光板
35 調光部
36 レンズ
37 制御装置
Claims (8)
- 略平行に対向配置された第1基板、第2基板であって、対向面に電極及び垂直配向膜が配置された第1基板、第2基板と、
前記第1基板と前記第2基板の間に配置され、誘電率異方性が負の液晶材料を用いて形成された液晶層と
を有し、
前記第1基板の電極と前記第2基板の電極の間に電圧を印加したときの前記液晶層のねじれ角は70°~120°である液晶素子
を含み、
光を出射する光源と、
前記光源を出射した光の光路上に配置された、前記液晶素子と、
前記液晶素子を出射した光が入射するレンズであって、前記液晶素子の配置位置近傍が焦点位置となるレンズと、
前記光源を出射した光を反射し、前記液晶素子に集光するリフレクタと
を有し、
前記液晶素子には、前記液晶素子の法線方向に対し30°以上傾いた方向から光が入射する照明装置。 - 略平行に対向配置された第1基板、第2基板であって、対向面に電極及び垂直配向膜が配置された第1基板、第2基板と、
前記第1基板と前記第2基板の間に配置され、誘電率異方性が負の液晶材料を用いて形成された液晶層と
を有し、
前記液晶層には、前記液晶層の厚さをd、カイラルピッチをpとするとき、d/pが0.25以上0.4以下となるようにカイラル剤が添加されている液晶素子
を含み、
光を出射する光源と、
前記光源を出射した光の光路上に配置された、前記液晶素子と、
前記液晶素子を出射した光が入射するレンズであって、前記液晶素子の配置位置近傍が焦点位置となるレンズと、
前記光源を出射した光を反射し、前記液晶素子に集光するリフレクタと
を有し、
前記液晶素子には、前記液晶素子の法線方向に対し30°以上傾いた方向から光が入射する照明装置。 - 前記第1、第2基板には、前記液晶層がアンチパラレル配向となるように配向処理が施されている請求項1または2に記載の照明装置。
- 前記第1、第2基板には、前記液晶層のツイスト角が90°または180°となるように配向処理が施されている請求項1または2に記載の照明装置。
- 前記液晶層のリターデーションは、510nm以上800nm以下である請求項1~4のいずれか1項に記載の照明装置。
- 前記液晶層のリターデーションは、620nm以上800nm以下である請求項5に記載の照明装置。
- スタティック駆動される請求項1~6のいずれか1項に記載の照明装置。
- 前記光源は、LED素子を含んで構成される請求項1~7のいずれか1項に記載の照明装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018009808A JP7160536B2 (ja) | 2018-01-24 | 2018-01-24 | 照明装置 |
US16/254,931 US20190226656A1 (en) | 2018-01-24 | 2019-01-23 | Liquid crystal element and illumination device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018009808A JP7160536B2 (ja) | 2018-01-24 | 2018-01-24 | 照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019128449A JP2019128449A (ja) | 2019-08-01 |
JP7160536B2 true JP7160536B2 (ja) | 2022-10-25 |
Family
ID=67299870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018009808A Active JP7160536B2 (ja) | 2018-01-24 | 2018-01-24 | 照明装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20190226656A1 (ja) |
JP (1) | JP7160536B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7294970B2 (ja) * | 2019-09-20 | 2023-06-20 | スタンレー電気株式会社 | 車両用灯具システム |
JP7317675B2 (ja) * | 2019-11-14 | 2023-07-31 | スタンレー電気株式会社 | 光学装置 |
CN111447348B (zh) * | 2020-05-12 | 2021-10-22 | Oppo广东移动通信有限公司 | 移动终端及其摄像头模组 |
JP2022178927A (ja) | 2021-05-21 | 2022-12-02 | スタンレー電気株式会社 | 照明装置、車両用灯具システム |
EP4302012A1 (en) * | 2021-06-11 | 2024-01-10 | Univerza V Ljubljani | Active module based on liquid crystals for adjustable car headlights and other lamps and a lamp with said module |
US11859810B2 (en) * | 2022-04-01 | 2024-01-02 | Ningbo Takenow Technology Co., Ltd. | Lighting fixture with illumination adjusting function, illumination adjusting assembly and illumination arrangement |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005183327A (ja) | 2003-12-24 | 2005-07-07 | Stanley Electric Co Ltd | 車両前照灯 |
JP2005201959A (ja) | 2004-01-13 | 2005-07-28 | Seiko Epson Corp | 液晶装置および投射型表示装置 |
JP2005234254A (ja) | 2004-02-20 | 2005-09-02 | Stanley Electric Co Ltd | 液晶表示装置およびその製造方法 |
WO2007032347A1 (ja) | 2005-09-16 | 2007-03-22 | Sharp Kabushiki Kaisha | 液晶表示素子 |
JP2007264461A (ja) | 2006-03-29 | 2007-10-11 | Stanley Electric Co Ltd | 液晶表示素子 |
JP2016146452A (ja) | 2015-02-09 | 2016-08-12 | 新日本無線株式会社 | Ledモジュール及びその製造方法 |
US20170276980A1 (en) | 2014-09-23 | 2017-09-28 | Hella Kgaa Hueck & Co. | Headlamp for vehicles |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6504592B1 (en) * | 1999-06-16 | 2003-01-07 | Nec Corporation | Liquid crystal display and method of manufacturing the same and method of driving the same |
TW580592B (en) * | 2001-11-28 | 2004-03-21 | Sharp Kk | Image shifting device, image display, liquid crystal display, and projection image display |
US7304705B2 (en) * | 2002-03-26 | 2007-12-04 | Ricoh Company, Ltd. | Imaging unit, optical write unit, optical read unit and image forming apparatus |
GB2469693A (en) * | 2009-04-25 | 2010-10-27 | Optovate Ltd | A controllable light directional distributor for an illumination apparatus |
JP6624193B2 (ja) * | 2015-02-27 | 2019-12-25 | ソニー株式会社 | 光学装置、表示装置および電子機器 |
US10868257B2 (en) * | 2015-07-10 | 2020-12-15 | Merck Patent Gmbh | Dithioalkylpyrrolopyrroles and the use thereof as dyes |
-
2018
- 2018-01-24 JP JP2018009808A patent/JP7160536B2/ja active Active
-
2019
- 2019-01-23 US US16/254,931 patent/US20190226656A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005183327A (ja) | 2003-12-24 | 2005-07-07 | Stanley Electric Co Ltd | 車両前照灯 |
JP2005201959A (ja) | 2004-01-13 | 2005-07-28 | Seiko Epson Corp | 液晶装置および投射型表示装置 |
JP2005234254A (ja) | 2004-02-20 | 2005-09-02 | Stanley Electric Co Ltd | 液晶表示装置およびその製造方法 |
WO2007032347A1 (ja) | 2005-09-16 | 2007-03-22 | Sharp Kabushiki Kaisha | 液晶表示素子 |
JP2007264461A (ja) | 2006-03-29 | 2007-10-11 | Stanley Electric Co Ltd | 液晶表示素子 |
US20170276980A1 (en) | 2014-09-23 | 2017-09-28 | Hella Kgaa Hueck & Co. | Headlamp for vehicles |
JP2016146452A (ja) | 2015-02-09 | 2016-08-12 | 新日本無線株式会社 | Ledモジュール及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2019128449A (ja) | 2019-08-01 |
US20190226656A1 (en) | 2019-07-25 |
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