Patents by Inventor Petr VOJTISEK
Petr VOJTISEK has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 12222081Abstract: Light-emitting devices for motor vehicles are provided, which comprise a reflection hologram. A light-guiding body is provided to direct light from a light source arrangement (4) onto the hologram.Type: GrantFiled: June 15, 2022Date of Patent: February 11, 2025Assignee: Carl Zeiss Jena GmbHInventors: Daniel Thomae, Roman Kleindienst, Christoph Erler, Petr Vojtisek, Alexandre Gatto
-
Publication number: 20250010716Abstract: A display device for the interior of a vehicle comprises light sources, light guides, and holograms. The light guides are arranged next to one another and each has an entrance surface and a reflective area. Each light source emanates light that enters the entrance surface of an associated light. At least one of the holograms is arranged at or in each light guide. The light emanated by each light source enters the entrance surface of the associated light guide in a direction of the reflective area of the associated light guide, is reflected by the reflective area of the associated light guide in a direction of the hologram of the associated light guide, and interacts with the hologram of the associated light guide.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Inventors: Martin Mügge, Johannes Scheuchenpflug, Christoph Erler, Carsten Hohmann, Alfons Michaelis, Siemen Kuehl, Petr Vojtisek
-
Publication number: 20240402647Abstract: A lightguide structure for illumination, detection and/or holographic representation includes at least one planar lightguide for guiding electromagnetic radiation of at least a first spectrum, at least one illumination arrangement located on the first side face of the lightguide, and at least one holographic outcoupling structure for coupling out electromagnetic radiation guided in the lightguide structure. The light radiated in by the illumination arrangement can have a large angular range, the holographic outcoupling structure having a small angular range. Also provided is a production method for such a lightguide structure and to an operating element comprising a lightguide structure.Type: ApplicationFiled: September 28, 2022Publication date: December 5, 2024Inventors: Christoph ERLER, Petr VOJTISEK, Siemen KUEHL
-
Patent number: 12158253Abstract: An illumination apparatus for a motor vehicle comprises: a light source, an optical waveguide with an incident surface and a reflective region; and a hologram arranged on or in the optical waveguide. The illumination apparatus is configured such that light emitted by the light source enters the incident surface of the optical waveguide in the direction of the reflective region, is reflected by the reflective region inside the optical waveguide in the direction of the hologram and interacts with the hologram. The average distance between the light source and the incident surface is at least half as great as the average distance between the reflective region and the hologram.Type: GrantFiled: May 30, 2023Date of Patent: December 3, 2024Assignee: CARL ZEISS JENA GMBHInventors: Martin Mügge, Carsten Hohmann, Alfons Michaelis, Christoph Erler, Siemen Kühl, Petr Vojtisek
-
Patent number: 12130461Abstract: A waveguide for a detector system includes a transparent main body with a partially transparent incoupling region and a decoupling region that is spaced apart therefrom in a first direction. The incoupling region includes a diffractive structure which deflects only part of radiation coming from an object to be detected and impinging on the front face such that the deflected part propagates as coupled-in radiation in the main body by reflections up to the decoupling region and impinges on the decoupling region. The decoupling region deflects at least part of the coupled-in radiation impinging thereon such that the deflected part exits the main body via the front face or rear face in order to impinge on the detector system. The extent of the incoupling region in a second direction transverse to the first direction is greater than the extent of the decoupling region in the second direction.Type: GrantFiled: January 31, 2020Date of Patent: October 29, 2024Assignee: Carl Zeiss Jena GmbHInventors: Roman Kleindienst, Christoph Erler, Petr Vojtisek, Marc Junghans, Daniel Thomae, Mirko Riethmueller, Matthias Burkhardt, Alexandre Gatto, Andreas Luetz
-
Patent number: 12076572Abstract: An apparatus for supplying energy to an active eye implant can include a beam expander that includes a first expansion element and a second expansion element. The second expansion element can be configured to provide light that has been expanded twice and is effectively focused. A processes for manufacturing apparatuses for supplying energy to an active eye implant can be based on head geometry data of a user.Type: GrantFiled: April 2, 2020Date of Patent: September 3, 2024Assignees: Carl Zeiss AG, Carl Zeiss Jena GmbHInventors: Thomas Nobis, Tobias Schmitt-Manderbach, Matthias Hillenbrand, Petr Vojtisek
-
Patent number: 12066664Abstract: A screen includes a transparent base body with a front face and a rear face, and an image sensor. The base body includes a coupling-in region and a coupling-out region at a distance therefrom in a first direction. The coupling-in region includes a diffractive structure which deflects only part of the radiation incident on the front face and originating from an object to be detected, such that the deflected part is propagated as coupled-in radiation in the base body by reflection, until it reaches the coupling-out region and is incident on said coupling-out region, and the coupling-out region deflects at least part of said incident coupled-in radiation, such that the deflected part exits the base body via the front face or the rear face and is incident on the image sensor.Type: GrantFiled: January 31, 2020Date of Patent: August 20, 2024Assignee: Carl Zeiss Jena GmbHInventors: Marc Junghans, Roman Kleindienst, Christoph Erler, Andreas Luetz, Petr Vojtisek, Daniel Thomae, Mirko Riethmueller, Matthias Burkhardt, Alexandre Gatto
-
Publication number: 20240241407Abstract: An illumination module for illuminating a surface has a beam source emitting illumination radiation, an extensive deflection hologram arranged at a distance from the surface to be illuminated, and a collimator optical unit at which the illumination radiation is directed, which collimates the illumination radiation and which emits the latter as collimated radiation incident on the deflection hologram, wherein the deflection hologram is designed such that it deflects the incident collimated radiation in the direction toward the surface to be illuminated and at the same time acts as a diffuser.Type: ApplicationFiled: April 28, 2022Publication date: July 18, 2024Inventors: Christoph ERLER, Marc JUNGHANS, Markus GIEHL, Petr VOJTISEK
-
Publication number: 20240210877Abstract: An optical system comprises a plurality of optical channels. A control unit can switch light sources of the optical channels separately on and off. In this way, different image motifs of a hologram can be illuminated by a number of different illumination sources of at least one imaging holographic optical element.Type: ApplicationFiled: April 27, 2022Publication date: June 27, 2024Applicant: Carl Zeiss Jena GmbHInventors: Viktor SCHÜTZ, Petr VOJTISEK, Siemen KÜHL, Marc JUNGHANS
-
Publication number: 20240085852Abstract: A holographic lighting apparatus includes at least two channels for the respective associated lighting functions. Each channel includes an edge-lit arrangement with an incoupling surface for coupling light from a light source into the arrangement, and an outcoupling surface; and a light source. The edge-lit arrangements of the channels are all included in a monolithic component having a common outcoupling surface, and each channel is arranged so as to be rotated about a surface normal of the outcoupling surface along an azimuthal arrangement angle. The component has at least one holographic structure for generating the lighting function of the relevant channel when said structure is illuminated by the light source of the channel. Also provided are a vehicle including a corresponding lighting apparatus, the use of the lighting apparatus as a display in a vehicle, and the lighting apparatus as an LED collimator.Type: ApplicationFiled: January 14, 2022Publication date: March 14, 2024Inventors: Siemen KUEHL, Christoph ERLER, Petr VOJTISEK
-
Patent number: 11885928Abstract: A functionalized waveguide for a detector system includes an incoupling region of a main body that deflects only part of the radiation coming from an object to be detected and impinges on the front face such that the deflected part propagates as coupled-in radiation in the main body by reflections up to the decoupling region and impinges on the decoupling region. A decoupling region deflects at least part of the coupled-in radiation impinging thereon such that the deflected part exits the main body via the front or rear face to impinge on the detector system. The extent of the incoupling region in a second direction transverse to the first direction is greater than the extent of the decoupling region in the second direction. In the second direction, the incoupling region has at least two different diffractive incoupling structures which have a different deflection component in the second direction.Type: GrantFiled: January 31, 2020Date of Patent: January 30, 2024Assignee: Carl Zeiss Jena GmbHInventors: Roman Kleindienst, Christoph Erler, Petr Vojtisek, Marc Junghans, Daniel Thomae, Mirko Riethmueller, Matthias Burkhardt, Alexandre Gatto, Andreas Luetz
-
Publication number: 20230304643Abstract: An illumination apparatus for a motor vehicle comprises: a light source, an optical waveguide with an incident surface and a reflective region; and a hologram arranged on or in the optical waveguide. The illumination apparatus is configured such that light emitted by the light source enters the incident surface of the optical waveguide in the direction of the reflective region, is reflected by the reflective region inside the optical waveguide in the direction of the hologram and interacts with the hologram. The average distance between the light source and the incident surface is at least half as great as the average distance between the reflective region and the hologram.Type: ApplicationFiled: May 30, 2023Publication date: September 28, 2023Inventors: Martin Mügge, Carsten Hohmann, Alfons Michaelis, Christoph Erler, Siemen Kühl, Petr Vojtisek
-
Publication number: 20220307669Abstract: Light-emitting devices for motor vehicles are provided, which comprise a reflection hologram. A light-guiding body is provided to direct light from a light source arrangement (4) onto the hologram.Type: ApplicationFiled: June 15, 2022Publication date: September 29, 2022Applicant: Carl Zeiss Jena GmbHInventors: Daniel THOMAE, Roman KLEINDIENST, Christoph ERLER, Petr VOJTISEK, Alexandre GATTO
-
Patent number: 11391435Abstract: Light-emitting devices for motor vehicles are provided, which comprise a reflection hologram. A light-guiding body is provided to direct light from a light source arrangement onto the hologram.Type: GrantFiled: October 17, 2018Date of Patent: July 19, 2022Assignee: Carl Zeiss Jena GmbHInventors: Daniel Thomae, Roman Kleindienst, Christoph Erler, Petr Vojtisek, Alexandre Gatto
-
Publication number: 20220203106Abstract: An apparatus for supplying energy to an active eye implant can include a beam expander that includes a first expansion element and a second expansion element. The second expansion element can be configured to provide light that has been expanded twice and is effectively focused. A processes for manufacturing apparatuses for supplying energy to an active eye implant can be based on head geometry data of a user.Type: ApplicationFiled: April 2, 2020Publication date: June 30, 2022Inventors: Thomas NOBIS, Tobias SCHMITT-MANDERBACH, Matthias HILLENBRAND, Petr VOJTISEK
-
Patent number: 11339943Abstract: The invention relates to a lighting device for motor vehicles. Said lighting device comprises a primary hologram for providing a lighting function when the primary hologram is illuminated with illumination light. The illumination light is directed towards the primary hologram via a secondary hologram system which comprises a coupling-in hologram, a waveguide substrate and a coupling-out hologram.Type: GrantFiled: June 27, 2019Date of Patent: May 24, 2022Assignee: Carl Zeiss Jena GmbHInventor: Petr Vojtisek
-
Publication number: 20220146752Abstract: A waveguide for a detector system includes a transparent main body with a partially transparent incoupling region and a decoupling region that is spaced apart therefrom in a first direction. The incoupling region includes a diffractive structure which deflects only part of radiation coming from an object to be detected and impinging on the front face such that the deflected part propagates as coupled-in radiation in the main body by reflections up to the decoupling region and impinges on the decoupling region. The decoupling region deflects at least part of the coupled-in radiation impinging thereon such that the deflected part exits the main body via the front face or rear face in order to impinge on the detector system. The extent of the incoupling region in a second direction transverse to the first direction is greater than the extent of the decoupling region in the second direction.Type: ApplicationFiled: January 31, 2020Publication date: May 12, 2022Inventors: Roman KLEINDIENST, Christoph ERLER, Petr VOJTISEK, Marc JUNGHANS, Daniel THOMAE, Mirko RIETHMUELLER, Matthias BURKHARDT, Alexandre GATTO, Andreas LUETZ
-
Publication number: 20220146845Abstract: A functionalized waveguide for a detector system and a lighting and/or projection system includes a transparent base body. A first outcoupling region deflects at least a part of the incoupled radiation hitting the first outcoupling region, such that the deflected part exits the base body via a front side or a rear side thereof in order to hit the detector system. The extent of the first incoupling region in a second direction perpendicular to a first direction is greater than the extent of the first outcoupling region in the second direction. The base body has a second outcoupling region, which deflects at least a part of light from a light source or image source hitting the second outcoupling region as illuminating radiation, such that the deflected part is used for illumination and/or projection.Type: ApplicationFiled: January 31, 2020Publication date: May 12, 2022Inventors: Roman KLEINDIENST, Christoph ERLER, Petr VOJTISEK, Marc JUNGHANS, Daniel THOMAE, Alexandre GATTO, Mirko RIETHMUELLER, Matthias BURKHARDT, Andreas LUETZ
-
Publication number: 20220128778Abstract: A functionalized waveguide for a detector system includes an incoupling region of a main body that deflects only part of the radiation coming from an object to be detected and impinges on the front face such that the deflected part propagates as coupled-in radiation in the main body by reflections up to the decoupling region and impinges on the decoupling region. A decoupling region deflects at least part of the coupled-in radiation impinging thereon such that the deflected part exits the main body via the front or rear face to impinge on the detector system. The extent of the incoupling region in a second direction transverse to the first direction is greater than the extent of the decoupling region in the second direction. In the second direction, the incoupling region has at least two different diffractive incoupling structures which have a different deflection component in the second direction.Type: ApplicationFiled: January 31, 2020Publication date: April 28, 2022Inventors: Roman KLEINDIENST, Christoph ERLER, Petr VOJTISEK, Marc JUNGHANS, Daniel THOMAE, Mirko RIETHMUELLER, Matthias BURKHARDT, Alexandre GATTO, Andreas LUETZ
-
Publication number: 20220128766Abstract: A screen includes a transparent base body with a front face and a rear face, and an image sensor. The base body includes a coupling-in region and a coupling-out region at a distance therefrom in a first direction. The coupling-in region includes a diffractive structure which deflects only part of the radiation incident on the front face and originating from an object to be detected, such that the deflected part is propagated as coupled-in radiation in the base body by reflection, until it reaches the coupling-out region and is incident on said coupling-out region, and the coupling-out region deflects at least part of said incident coupled-in radiation, such that the deflected part exits the base body via the front face or the rear face and is incident on the image sensor.Type: ApplicationFiled: January 31, 2020Publication date: April 28, 2022Inventors: Marc JUNGHANS, Roman KLEINDIENST, Christoph ERLER, Andreas LUETZ, Petr VOJTISEK, Daniel THOMAE, Mirko RIETHMUELLER, Matthias BURKHARDT, Alexandre GATTO