FR3055979B1 - Caracteristiques de faisceau lumineux pixelise - Google Patents
Caracteristiques de faisceau lumineux pixelise Download PDFInfo
- Publication number
- FR3055979B1 FR3055979B1 FR1658622A FR1658622A FR3055979B1 FR 3055979 B1 FR3055979 B1 FR 3055979B1 FR 1658622 A FR1658622 A FR 1658622A FR 1658622 A FR1658622 A FR 1658622A FR 3055979 B1 FR3055979 B1 FR 3055979B1
- Authority
- FR
- France
- Prior art keywords
- light beam
- pixelated
- pixelise
- projection
- motor vehicle
- 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
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3155—Modulator illumination systems for controlling the light source
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
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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
- F21S41/10—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]
-
- 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]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- 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
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3138—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using arrays of modulated light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/50—Projected symbol or information, e.g. onto the road or car body
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Instrument Panels (AREA)
Abstract
L'invention se rapporte notamment à un dispositif lumineux (7) de véhicule automobile (1) comportant une source lumineuse pixélisée et un système optique agencé pour projeter un faisceau lumineux pixélisé (10) émis par la source lumineuse pixélisée, la projection du faisceau lumineux pixélisé sur la route incluant une image (9) présentant un contraste compris entre 1,5 et 4, une résolution comprise entre 0,025° et 0,75°, et/ou une netteté comprise entre 0,075° et 0,2. L'invention offre une projection d'un faisceau lumineux pixélisé par un dispositif lumineux de véhicule automobile améliorée.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1658622A FR3055979B1 (fr) | 2016-09-15 | 2016-09-15 | Caracteristiques de faisceau lumineux pixelise |
PCT/EP2017/072740 WO2018050593A1 (fr) | 2016-09-15 | 2017-09-11 | Dispositif lumineux de véhicule automobile comportant une source lumineuse pixélisée et procédé de projection d'un faisceau lumineux pixélisé par ledit dispositif lumineux de véhicule automobile |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1658622A FR3055979B1 (fr) | 2016-09-15 | 2016-09-15 | Caracteristiques de faisceau lumineux pixelise |
FR1658622 | 2016-09-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3055979A1 FR3055979A1 (fr) | 2018-03-16 |
FR3055979B1 true FR3055979B1 (fr) | 2019-04-05 |
Family
ID=57348948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1658622A Active FR3055979B1 (fr) | 2016-09-15 | 2016-09-15 | Caracteristiques de faisceau lumineux pixelise |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR3055979B1 (fr) |
WO (1) | WO2018050593A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3079470A1 (fr) * | 2018-04-03 | 2019-10-04 | Valeo Vision | Dispositif lumineux de vehicule automobile ayant au moins une source lumineuse pixelisee |
FR3084307A1 (fr) * | 2018-07-27 | 2020-01-31 | Valeo Vision | Systeme d'eclairage pour vehicule automobile |
FR3086901B1 (fr) | 2018-10-01 | 2020-11-13 | Valeo Vision | Procede de pilotage de modules de projection de faisceaux de lumiere pixellise pour vehicule |
EP3670261B1 (fr) * | 2018-12-19 | 2023-04-19 | Valeo Vision | Procédé de correction d'un motif lumineux et ensemble de dispositif d'éclairage automobile |
DE102019111007A1 (de) | 2019-04-29 | 2020-10-29 | HELLA GmbH & Co. KGaA | Verfahren zur Steuerung eines Scheinwerfers eines Kraftfahrzeugs |
FR3100309B1 (fr) * | 2019-09-03 | 2022-01-07 | Vignal Systems | Dispositif de signalisation et véhicule comprenant ce dispositif |
FR3104742B1 (fr) * | 2019-12-12 | 2023-03-31 | Valeo Comfort & Driving Assistance | Système d’affichage pour véhicule |
CN112776800B (zh) * | 2021-01-19 | 2022-08-16 | 中国第一汽车股份有限公司 | 一种预警方法、装置、设备及存储介质 |
DE102021201550A1 (de) * | 2021-02-18 | 2022-08-18 | Psa Automobiles Sa | Verfahren zum Betreiben eines hochauflösenden Projektionsscheinwerfers und Projektionsscheinwerfersystem für ein Kraftfahrzeug |
DE102021111021B3 (de) * | 2021-04-29 | 2022-05-12 | HELLA GmbH & Co. KGaA | Verfahren zum Betrieb eines hochauflösenden Scheinwerfers eines Fahrzeugs |
FR3138552A1 (fr) * | 2022-07-26 | 2024-02-02 | Valeo Comfort And Driving Assistance | Dispositif électronique et procédé de surveillance de présence d’un élément optique |
FR3144644A1 (fr) * | 2022-12-29 | 2024-07-05 | Valeo Vision | Dispositif de projection d’images à LED synchronisée et à commande d’éclairage progressive |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8733939B2 (en) * | 2012-07-26 | 2014-05-27 | Cloudcar, Inc. | Vehicle content projection |
DE102013104276B4 (de) * | 2013-04-26 | 2023-07-20 | HELLA GmbH & Co. KGaA | Verfahren für die Anpassung wenigstens eines Ausleuchtparameters in einem lokalen Ausleuchtabschnitt eines Ausleuchtbereichs |
DE102014214522A1 (de) * | 2014-07-24 | 2016-01-28 | Volkswagen Aktiengesellschaft | Verfahren und Vorrichtung zur Projektion von Lichtsymbolen auf eine Fahrbahn |
DE102014016332A1 (de) * | 2014-11-05 | 2016-05-12 | Audi Ag | Scheinwerfer für ein Kraftfahrzeug und Verfahren zum Betreiben eines Scheinwerfers |
-
2016
- 2016-09-15 FR FR1658622A patent/FR3055979B1/fr active Active
-
2017
- 2017-09-11 WO PCT/EP2017/072740 patent/WO2018050593A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR3055979A1 (fr) | 2018-03-16 |
WO2018050593A1 (fr) | 2018-03-22 |
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Year of fee payment: 2 |
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Effective date: 20180316 |
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