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公开(公告)号：US12233778B2
公开(公告)日：2025-02-25
申请号：US18326346
申请日：2023-05-31
Applicant: INALFA ROOF SYSTEMS GROUP B.V.
Inventor： Sander de Bie , Theodorus van Doleweerd , Ruud Geurts , Marcel Johan Christiaan Nellen , Christian Giese
Abstract: A transparent roof panel assembly for an opening in a vehicle roof comprises a panel having a transparent area that allows visible light to pass through between an exterior and an interior of the vehicle. A light source is arranged to provide light in the panel. An in-coupling element couples light into the panel from the interior side of the panel, the in-coupling element being attached to the interior side of the panel and redirecting light from the light source into the panel. The in-coupling element may be partly covered towards the interior of the vehicle, with the exception of a selected area, such that light is able to pass from the in-coupling element towards the interior through the selected area. The in-coupling element is attached to the interior side of the panel by an adhering material accommodated in a chamber formed between the in-coupling element and the panel.
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公开(公告)号：US20240109482A1
公开(公告)日：2024-04-04
申请号：US18326346
申请日：2023-05-31
Applicant: INALFA ROOF SYSTEMS GROUP B.V.
Inventor： Sander de Bie , Theodorus van Doleweerd , Ruud Geurts , Marcel Johan Christiaan Nellen , Christian Giese
Abstract: A transparent roof panel assembly for an opening in a vehicle roof comprises a panel having a transparent area that allows visible light to pass through between an exterior and an interior of the vehicle. A light source is arranged to provide light in the panel. An in-coupling element couples light into the panel from the interior side of the panel, the in-coupling element being attached to the interior side of the panel and redirecting light from the light source into the panel. The in-coupling element may be partly covered towards the interior of the vehicle, with the exception of a selected area, such that light is able to pass from the in-coupling element towards the interior through the selected area. The in-coupling element is attached to the interior side of the panel by an adhering material accommodated in a chamber formed between the in-coupling element and the panel.
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公开(公告)号：US11285790B2
公开(公告)日：2022-03-29
申请号：US16730164
申请日：2019-12-30
Applicant: Inalfa Roof Systems Group B.V.
Abstract: A transparent roof assembly for a vehicle roof comprises a panel with a transparent area, a light source arranged to provide light into the panel and an out-coupling pattern arranged on the surface of the transparent area of the panel. The out-coupling pattern comprises dots of a light-redirecting material for out-coupling of light introduced into the panel and propagating in the panel, wherein the dots each have a representative diameter of 150 microns or less, preferably 80 microns or less and wherein a total dot surface area of the dots of the out-coupling pattern is smaller than 10% of a total surface area of the transparent area. Thus, the transparent area appears transparent during daytime looking from an interior of the vehicle to an exterior of the vehicle, while sufficient light is provided into the interior when the light source is switched on.
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公开(公告)号：US20200276891A1
公开(公告)日：2020-09-03
申请号：US16730164
申请日：2019-12-30
Applicant: Inalfa Roof Systems Group B.V.
Inventor： Theodorus van Doleweerd , Sergeevio Lojko
Abstract: A transparent roof assembly for a vehicle roof comprises a panel with a transparent area, a light source arranged to provide light into the panel and an out-coupling pattern arranged on the surface of the transparent area of the panel. The out-coupling pattern comprises dots of a light-redirecting material for out-coupling of light introduced into the panel and propagating in the panel, wherein the dots each have a representative diameter of 150 microns or less, preferably 80 microns or less and wherein a total dot surface area of the dots of the out-coupling pattern is smaller than 10% of a total surface area of the transparent area. Thus, the transparent area appears transparent during daytime looking from an interior of the vehicle to an exterior of the vehicle, while sufficient light is provided into the interior when the light source is switched on.
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