EP4136383A1 - Illumination device for a motor vehicle headlight - Google Patents
Illumination device for a motor vehicle headlightInfo
- Publication number
- EP4136383A1 EP4136383A1 EP21711907.2A EP21711907A EP4136383A1 EP 4136383 A1 EP4136383 A1 EP 4136383A1 EP 21711907 A EP21711907 A EP 21711907A EP 4136383 A1 EP4136383 A1 EP 4136383A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- guide body
- lighting device
- light guide
- module
- 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.)
- Pending
Links
- 238000005286 illumination Methods 0.000 title claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 1
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- 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]
- F21S41/143—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
-
- 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
- F21S41/265—Composite lenses; Lenses with a patch-like shape
-
- 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
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
-
- 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
- F21S41/29—Attachment thereof
-
- 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
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
-
- 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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the invention relates to a lighting device for a motor vehicle headlight, comprising:
- At least one first light module with at least one light source for generating a low beam distribution in the direction of a main emission direction
- At least one second light module for generating a learning light distribution
- the second light module comprises at least one light source and a light guide body, in which light guide body light from the light source can be injected into the light guide body via a coupling surface and can be coupled out via a coupling surface in the direction of the main emission direction, the light guide body has a first reflective surface on a roof side extending from the coupling-in surface to the coupling-out surface and the light guide body is arranged relative to the first light module in such a way that at least part of the coupled-out light that can be generated by the first light module is reflectable on the first reflecting surface, and
- At least one projection lens which is set up to image the light that can be generated by the first and second light module in front of the lighting device, the light guide body being designed in such a way that a screen for part of the light that can be generated by the first light module to generate the low beam distribution , is arranged between the first light module and the projection optics.
- the invention further relates to a motor vehicle headlight with at least one lighting device according to the invention.
- the illumination V orcardi comprises at least a third light module with a light source for generating an auxiliary light distribution, and wherein the light guide body of the second light module has a roof surface bottom surface facing away from which at least partially has a second reflective surface, wherein the third The light module is arranged in such a way that at least part of the generated decoupled light of the third light module is reflectable by the bottom surface of the light guide body, and the projection lens is set up to image the light that can be generated by the third light module in front of the lighting device.
- an additional lighting device that is spatially separate from the lighting device is usually provided.
- the roof surface and the coupling-out surface of the light guide body form a diaphragm edge in a common surface intersection line.
- the diaphragm edge has a contour to form a light-dark boundary of the low beam distribution.
- the bottom surface and the coupling-out surface of the light guide body form a lower edge in a common surface intersection line.
- the second reflective surface ends at a distance from the lower edge and releases a soapy coupling area into which part of the light from the third light module can be coupled in and coupled out again via the coupling out surface of the light guide body.
- the first reflective surface ends at a distance from the screen edge and releases an upper soapy coupling-out area from which part of the light of the third light module, which can be coupled in via the coupling-in area on the underside, can be coupled out.
- the light sources of the light modules are each designed as at least one light-emitting diode.
- the lighting device comprises a carrier body on which the light sources of the light modules are arranged.
- the carrier body is designed as a cooling body; the cooling body preferably comprises cooling fins.
- the carrier body comprises a third reflective surface which is arranged opposite the bottom surface of the light guide body, and wherein the third reflective surface is set up to reflect part of the light that can be generated by the third light module.
- the projection lens has a first optical axis and a first focal surface corresponding to the first optical axis.
- optical axis is the axis of symmetry of a rotationally symmetrical optical system or of a projection lens. It is the symmetry of the surfaces that matters, not their edges can be assigned.
- the projection lens has a second optical axis and a second focal surface corresponding to the second optical axis.
- the diaphragm edge of the light guide body preferably the coupling-out surface of the light guide body, is arranged in the focal surface, the first optical axis of the projection lens preferably intersecting the diaphragm edge of the light guide body.
- the second optical axis of the projection lens is arranged in the vertical direction below the light guide body.
- the object is also achieved by a motor vehicle headlight with at least one lighting device according to the invention.
- FIG. 1 shows an exemplary lighting device in a side view
- FIG. 3 shows a further example of a lighting device in a side view
- FIG. 4 shows a further example of a lighting device in a perspective view.
- 1 shows an exemplary lighting device 10 for a
- Motor vehicle headlamp comprising a first light module 100 with a light source 110 for generating a low beam distribution in the direction of a main emission direction, a second light module 200 for generating high beam distribution, the second light module 200 comprising a light source 210 and a light guide body 220 in which light guide body 220 contains light from the light source 210 can be radiated into the light guide body 220 via a coupling-in surface 221 and can be coupled out via a coupling-out surface 222 in the direction of the main emission direction.
- the light guide body 220 has a first reflective surface 223a on a roof side 223 extending from the coupling surface 221 to the decoupling surface 222, the light guide body 220 being arranged relative to the first light module 100 in such a way that at least part of the output that can be generated by the first light module 100 Light is reflectable on the first reflective surface 223a.
- the lighting device 10 comprises a projection lens 500, which is set up to image the light that can be generated by the first and second light modules 100, 200 in front of the lighting device 10, the light guide body 220 being designed in such a way that a screen for part of the light emitted by the first light module 100 can be generated for generating the low beam light distribution, is arranged between the first light module 100 and the projection lens 500.
- a projection lens 500 which is set up to image the light that can be generated by the first and second light modules 100, 200 in front of the lighting device 10, the light guide body 220 being designed in such a way that a screen for part of the light emitted by the first light module 100 can be generated for generating the low beam light distribution, is arranged between the first light module 100 and the projection lens 500.
- the roof surface 223 and the coupling-out surface 222 of the light guide body 220 form a diaphragm edge 250 in a common surface section line, the diaphragm edge 250 having a contour to form an asymmetrical cut-off line typical for low-beam light distribution.
- the projection lens 500 has a first optical axis 510 and a first focal surface 510a corresponding to the first optical axis 510, wherein the diaphragm edge 250 of the light guide body 220, preferably the coupling-out surface 222 of the light guide body 220, is arranged in the first focal surface 510a, preferably the first The optical axis 510 of the projection lens 500 intersects the diaphragm edge 250 of the light guide body 220.
- the lighting device 10 further comprises a third light module 100 with a light source for generating additional light distribution, the light guide body 220 of the second light module 200 having a bottom surface 224 facing away from the roof surface 223, which has a second reflective surface 224a at least in sections.
- the third light module 100 is arranged in such a way that at least part of the generated decoupled light of the third light module 300 is or is reflected by the second reflective surface 224a of the light guide body 220 and is essentially deflected in the direction of the main emission direction or in the direction of the projection lens 500 will.
- the projection lens 500 is also set up to image the light that can be generated by the third light module 300 in front of the lighting device 10.
- the bottom surface 224 and the decoupling surface 222 of the light guide body 220 form a lower edge 260 in a common surface section line, the second reflective surface 224a ending at a distance from the lower edge 260 and exposing a soapy coupling area 270 in the example shown in FIG. into which part of the light of the third light module 300 can be coupled and can be coupled out again via the coupling-out surface 222 of the light guide body 220.
- the lighting device 10 comprises a carrier body 400 on which the light sources of the light modules 100, 200, 300 are arranged, wherein the light sources can be designed as at least one light-emitting diode.
- the carrier body 400 is designed as a cooling body in order to dissipate the heat that can be generated by the light sources during operation.
- the carrier body 400 comprises a third reflective surface 410a, which is arranged opposite the bottom surface 224 of the light guide body 220, and wherein the third reflective surface 410a is set up to reflect part of the light that can be generated by the third light module 300.
- FIG. 2 essentially shows the example from FIG. 1, whereas the first reflective surface 223a ends at a distance from the diaphragm edge 250 and releases a coupling-out area 280 on the top, from which part of the light of the third Light module 300, which can be coupled in via the coupling-in area 270 on the underside, can be coupled out.
- the light that can be coupled out through the coupling-out region 280 on the top strikes a region of the first focal surface 510a, which is located above the first optical axis 510 in a properly installed lighting device in a motor vehicle headlight and in the front of the
- Lighting device 10 imaged light distribution in an apron, that is, close to the lighting device on a roadway, is imaged.
- the projection lens 500 being designed as a bifocal projection lens with a second optical axis 520 and a second focal surface 520a corresponding to the second optical axis 520, and the second optical axis 520 of the projection lens 500 is arranged in the vertical direction below the light guide body 220.
- emitted light of the third light module 300 which is also deflected by the second and third reflective surfaces, hits an area below the second optical axis 520.
- a further diaphragm 290 is provided which extends in the vertical direction and shades light which would strike an area above the second optical axis 520.
- FIG. 4 shows a further exemplary embodiment, with what has been said above essentially also valid for this example, with a projection lens also being included which, however, is not shown in FIG. 4.
- the second reflective surface is divided into two separate partial areas, the area separating the two parts being part of the light guide body 220.
- the high beam distribution imaged in front of the lighting device 10 can be widened in the horizontal direction.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20169377.7A EP3896334A1 (en) | 2020-04-14 | 2020-04-14 | Lighting device for a motor vehicle headlight |
PCT/EP2021/056849 WO2021209220A1 (en) | 2020-04-14 | 2021-03-17 | Illumination device for a motor vehicle headlight |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4136383A1 true EP4136383A1 (en) | 2023-02-22 |
Family
ID=70289550
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20169377.7A Withdrawn EP3896334A1 (en) | 2020-04-14 | 2020-04-14 | Lighting device for a motor vehicle headlight |
EP21711907.2A Pending EP4136383A1 (en) | 2020-04-14 | 2021-03-17 | Illumination device for a motor vehicle headlight |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20169377.7A Withdrawn EP3896334A1 (en) | 2020-04-14 | 2020-04-14 | Lighting device for a motor vehicle headlight |
Country Status (6)
Country | Link |
---|---|
US (1) | US11698175B2 (en) |
EP (2) | EP3896334A1 (en) |
JP (1) | JP7342240B2 (en) |
KR (1) | KR102660198B1 (en) |
CN (1) | CN113825948A (en) |
WO (1) | WO2021209220A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021150229A (en) * | 2020-03-23 | 2021-09-27 | 市光工業株式会社 | Vehicular lighting fixture |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT512246B1 (en) * | 2011-11-22 | 2014-02-15 | Zizala Lichtsysteme Gmbh | LED PROJECTION MODULE AND HEADLIGHTS WITH MODULE |
WO2016021698A1 (en) * | 2014-08-07 | 2016-02-11 | 株式会社小糸製作所 | Lamp for vehicles |
JP6448944B2 (en) * | 2014-08-07 | 2019-01-09 | 株式会社小糸製作所 | Vehicle lighting |
JP6448250B2 (en) * | 2014-08-11 | 2019-01-09 | 株式会社小糸製作所 | Vehicle lighting |
DE102014226650B4 (en) * | 2014-12-19 | 2023-05-25 | Osram Gmbh | lamp |
US10018316B2 (en) | 2015-06-09 | 2018-07-10 | Lumileds Holding B.V. | Headlight module |
JP6416736B2 (en) * | 2015-11-12 | 2018-10-31 | トヨタ自動車株式会社 | Vehicle headlamp |
JP2017103189A (en) * | 2015-12-04 | 2017-06-08 | パナソニックIpマネジメント株式会社 | Headlamp and movable body |
DE102015224745B4 (en) * | 2015-12-09 | 2017-11-16 | Automotive Lighting Reutlingen Gmbh | Motor vehicle headlight with a base light assembly and a high beam assembly |
JP6722030B2 (en) * | 2016-04-19 | 2020-07-15 | スタンレー電気株式会社 | Vehicle lighting |
DE102016109147A1 (en) * | 2016-05-18 | 2017-11-23 | Hella Kgaa Hueck & Co. | Headlamp module with a dipped beam function and with a high beam function based on LEDs |
DE102016109132A1 (en) * | 2016-05-18 | 2017-11-23 | Hella Kgaa Hueck & Co. | Headlight, in particular headlight of a motor vehicle |
JP2017212168A (en) * | 2016-05-27 | 2017-11-30 | 株式会社小糸製作所 | Vehicular lighting fixture |
US10309606B2 (en) * | 2016-05-27 | 2019-06-04 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
WO2018003888A1 (en) * | 2016-06-29 | 2018-01-04 | 株式会社小糸製作所 | Vehicle lamp |
-
2020
- 2020-04-14 EP EP20169377.7A patent/EP3896334A1/en not_active Withdrawn
-
2021
- 2021-03-17 JP JP2022504147A patent/JP7342240B2/en active Active
- 2021-03-17 KR KR1020217033102A patent/KR102660198B1/en active IP Right Grant
- 2021-03-17 EP EP21711907.2A patent/EP4136383A1/en active Pending
- 2021-03-17 CN CN202180002884.2A patent/CN113825948A/en active Pending
- 2021-03-17 WO PCT/EP2021/056849 patent/WO2021209220A1/en active Application Filing
- 2021-03-17 US US17/605,153 patent/US11698175B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3896334A1 (en) | 2021-10-20 |
WO2021209220A1 (en) | 2021-10-21 |
CN113825948A (en) | 2021-12-21 |
JP2022541313A (en) | 2022-09-22 |
KR20210134977A (en) | 2021-11-11 |
KR102660198B1 (en) | 2024-04-24 |
US20220307665A1 (en) | 2022-09-29 |
JP7342240B2 (en) | 2023-09-11 |
US11698175B2 (en) | 2023-07-11 |
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