JP5576751B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP5576751B2 JP5576751B2 JP2010211357A JP2010211357A JP5576751B2 JP 5576751 B2 JP5576751 B2 JP 5576751B2 JP 2010211357 A JP2010211357 A JP 2010211357A JP 2010211357 A JP2010211357 A JP 2010211357A JP 5576751 B2 JP5576751 B2 JP 5576751B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- liquid crystal
- substrate
- reflective polarizing
- disposed
- 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.)
- Active
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Classifications
-
- 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]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims (4)
- 光源、前記光源からの光が入射し得る位置に配置された偏光変換素子並びに前記偏光変換素子の前方に配置された液晶素子を有する光出力ユニットと、
前記光出力ユニットからの光を反射する反射部と、
光入射面並びに光出射面を有しており、前記反射部において反射した前記光出力ユニットからの光の進路に対して前記光入射面が斜めに交差するように配置された反射偏光素子と、
を含み、
前記液晶素子は、
対向配置された第1基板及び第2基板と、
前記第1基板と前記第2基板の間に配置された液晶層と、
前記液晶層に電圧を印加するための電極、
を有し、
前記反射部は、2つの焦点を有する楕円面を有し、
前記光出力ユニットは、前記2つの焦点の一方に対応して配置され、
前記反射偏光素子は前記2つの焦点の他方に対応して配置された、
車両用灯具。 - 前記反射偏光素子は、
透明基板と、
前記透明基板に設けられたストライプ状の複数の金属薄膜、
を有しており、
前記光出射面側に前記複数の金属薄膜が配置された、
請求項1に記載の車両用灯具。 - 前記偏光変換素子は、隣り合って配置されたプリズム部及びミラー部と、前記プリズム部に重畳して配置された1/2波長板を有し、
前記光源は、前記偏光変換素子の前記プリズム部と対向するように配置された、
請求項1又は2に記載の車両用灯具。 - 前記液晶素子の前記液晶層が垂直配向型又はTN配向型である、
請求項1〜3の何れか1項に記載の車両用灯具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010211357A JP5576751B2 (ja) | 2010-09-21 | 2010-09-21 | 車両用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010211357A JP5576751B2 (ja) | 2010-09-21 | 2010-09-21 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012069295A JP2012069295A (ja) | 2012-04-05 |
JP5576751B2 true JP5576751B2 (ja) | 2014-08-20 |
Family
ID=46166319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010211357A Active JP5576751B2 (ja) | 2010-09-21 | 2010-09-21 | 車両用灯具 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5576751B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3599506A1 (en) * | 2018-07-24 | 2020-01-29 | Stanley Electric Co., Ltd. | Lamp unit, vehicular lamp system |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014113700A1 (de) * | 2014-09-23 | 2016-03-24 | Hella Kgaa Hueck & Co. | Scheinwerfer für Fahrzeuge |
JP6597024B2 (ja) * | 2015-07-29 | 2019-10-30 | 市光工業株式会社 | 車両用灯具 |
DE102016102033A1 (de) * | 2016-02-05 | 2017-08-10 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugscheinwerfer mit einem Flüssigkristallmatrixbauteil |
KR101795218B1 (ko) * | 2016-03-07 | 2017-11-08 | 현대자동차주식회사 | 차량용 조명 장치 |
DE102016109530A1 (de) * | 2016-05-24 | 2017-11-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Kraftfahrzeug-Scheinwerfer |
KR101938669B1 (ko) | 2017-06-22 | 2019-01-15 | 엘지전자 주식회사 | 차량용 램프 및 그것의 제어방법 |
JP6898214B2 (ja) | 2017-12-08 | 2021-07-07 | マクセル株式会社 | ヘッドライト装置 |
JP7100496B2 (ja) | 2018-05-24 | 2022-07-13 | スタンレー電気株式会社 | 車両用灯具、車両用灯具システム |
JPWO2022130595A1 (ja) * | 2020-12-17 | 2022-06-23 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3976812B2 (ja) * | 1995-03-09 | 2007-09-19 | セイコーエプソン株式会社 | 偏光照明装置および投写型表示装置 |
JP2004093751A (ja) * | 2002-08-30 | 2004-03-25 | Casio Comput Co Ltd | 光スイッチ |
JP2008083114A (ja) * | 2006-09-26 | 2008-04-10 | Epson Imaging Devices Corp | 液晶装置、電子機器 |
JP5418760B2 (ja) * | 2009-01-28 | 2014-02-19 | スタンレー電気株式会社 | 車両用灯具 |
-
2010
- 2010-09-21 JP JP2010211357A patent/JP5576751B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3599506A1 (en) * | 2018-07-24 | 2020-01-29 | Stanley Electric Co., Ltd. | Lamp unit, vehicular lamp system |
US10808904B2 (en) | 2018-07-24 | 2020-10-20 | Stanley Electric Co., Ltd. | Lamp unit, vehicular lamp system |
Also Published As
Publication number | Publication date |
---|---|
JP2012069295A (ja) | 2012-04-05 |
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