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1. WO2020065162 - LIGHTING DEVICE WITH LIGHT GUIDE HAVING VARIABLE LIGHTING LENGTH ACCORDING TO NEEDS

Publication Number WO/2020/065162
Publication Date 02.04.2020
International Application No. PCT/FR2019/052058
International Filing Date 06.09.2019
IPC
F21S 43/237 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
20characterised by refractors, transparent cover plates, light guides or filters
235Light guides
236characterised by the shape of the light guide
237rod-shaped
F21S 43/239 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
20characterised by refractors, transparent cover plates, light guides or filters
235Light guides
236characterised by the shape of the light guide
239plate-shaped
F21S 43/249 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
20characterised by refractors, transparent cover plates, light guides or filters
235Light guides
249with two or more light sources being coupled into the light guide
F21S 43/14 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
10characterised by the light source
13characterised by the type of light source
14Light emitting diodes
F21S 43/50 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
50characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
CPC
F21S 43/14
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
10characterised by the light source
13characterised by the type of light source
14Light emitting diodes [LED]
F21S 43/15
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
10characterised by the light source
13characterised by the type of light source
15Strips of light sources
F21S 43/239
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
20characterised by refractors, transparent cover plates, light guides or filters
235Light guides
236characterised by the shape of the light guide
239plate-shaped
F21S 43/249
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
20characterised by refractors, transparent cover plates, light guides or filters
235Light guides
249with two or more light sources being coupled into the light guide
F21S 43/50
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
43Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
50characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
Applicants
  • PSA AUTOMOBILES SA [FR]/[FR]
Inventors
  • BONJEAN, Aurore
  • ROYER, Guillaume
Agents
  • LEROUX, Jean Philippe
Priority Data
185869825.09.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) LIGHTING DEVICE WITH LIGHT GUIDE HAVING VARIABLE LIGHTING LENGTH ACCORDING TO NEEDS
(FR) DISPOSITIF D'ÉCLAIRAGE À GUIDE DE LUMIÈRE À LONGUEUR D'ÉCLAIRAGE VARIABLE EN FONCTION DES BESOINS
Abstract
(EN)
A lighting device (DE) comprises: - a source (SP) generating photons, - a light guide (GL) receiving these photons in a first zone (Z1) in order to guide them to a second zone (Z2) in order for them to participate in a photometric function, and comprising, at a chosen location, a transverse groove (RT) extending over almost all of its thickness and over all of its width in order to subdivide it into two adjacent parts (PG1- PG2), and - an opaque plate (PO), having similar dimensions to the dimensions of the transverse groove (RT), and either housed in the latter (RT) in order to allow lighting by the photons of a portion of the second zone (Z2) belonging to one of the parts (PG1-PG2) of the light guide (GL), or unused in order to allow lighting of the entire second zone (Z2) by the photons.
(FR)
Un dispositif d'éclairage (DE) comprend: - une source (SP) générant des photons, - un guide de lumière (GL) recevant dans une première zone (Z1) ces photons afin de les guider vers une seconde zone (Z2) pour qu'ils participent à une fonction photométrique,etcomprenanten un endroit choisi une rainure transversale (RT) s'étendant sur la quasi-totalité de son épaisseur et sur toute sa largeur afin de le subdiviser en deux parties (PG1- PG2) adjacentes, et - une plaque opaque (PO), ayant des dimensions similaires à des dimensions de la rainure transversale (RT), et soit logée dans cette dernière (RT) pour permettre un éclairage par les photons d'une portion de la seconde zone (Z2) appartenant à l'une des parties (PG1-PG2) du guide de lumière (GL), soit inutilisée pour permettre un éclairage de l'intégralité de la seconde zone (Z2) par les photons.
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