Light-emitting window element and motor vehicle comprising a light-emitting window element
AssigneeOSRAM Opto Semiconductors GmbH
InventorsAndreas Dobner, Hubert Halbritter
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Abstract
A light-emitting window element includes a transparent first carrier layer, a transparent second carrier layer, a substrate with a plurality of light-emitting semiconductor chips arranged thereon, and an optical layer having an adjustable transparency. The substrate with the plurality of light-emitting semiconductor chips and the optical layer are arranged between the first and second carrier layers, and the first and second carrier layers, the substrate with the plurality of light-emitting semiconductor chips and the optical layer form a laminate composite.
Claims14
A light-emitting window element, comprising
- a transparent first carrier layer and a transparent second carrier layer,
- a substrate with a plurality of light-emitting semiconductor chips arranged thereon, and
- an optical layer having an adjustable transparency,
- wherein
- the substrate with the plurality of light-emitting semiconductor chips and the optical layer are arranged between the first and second carrier layer,
- the first and second carrier layer, the substrate with the plurality of light-emitting semiconductor chips and the optical layer form a laminate composite,
- each of the light-emitting semiconductor chips has an area of less than or equal to 1 mm2, and
- directly adjacent light-emitting semiconductor chips have a spacing of greater than or equal to 0.5 mm and less than or equal to 5 mm,
- a first connection layer is arranged between the first carrier layer and the substrate and directly adjacent to the first carrier layer and the substrate, and
- the transparent first carrier layer comprises glass and/or plastic.
A light-emitting window element, comprising
- a transparent first carrier layer and a transparent second carrier layer,
- a substrate with a plurality of light-emitting semiconductor chips arranged thereon comprising an epitaxially grown semiconductor layer sequence, and
- an optical layer having an adjustable transparency,
- wherein
- the substrate with the plurality of light-emitting semiconductor chips and the optical layer are arranged between the first and second carrier layer,
- the first and second carrier layer, the substrate with the plurality of light-emitting semiconductor chips and the optical layer form a laminate composite,
- the optical layer comprises a plurality of segments having separately adjustable transparency,
- a third connection layer is arranged between the optical layer and the substrate, and
- the third connection layer comprises a bonding material selected from the group consisting of polyvinyl butyral, ethylene vinyl acetate, polyacrylate, polymethyl methacrylate, polyurethane, and combinations thereof.
A light-emitting window element, comprising
- a transparent first carrier layer and a transparent second carrier layer,
- a substrate with a plurality of light-emitting semiconductor chips arranged thereon, and
- an optical layer having an adjustable transparency,
- wherein
- the substrate with the plurality of light-emitting semiconductor chips and the optical layer are arranged between the first and second carrier layer,
- the first and second carrier layer, the substrate with the plurality of light-emitting semiconductor chips and the optical layer form a laminate composite,
- a first connection layer is arranged between the first carrier layer and the substrate and directly adjacent to the first carrier layer and the substrate, and
- a second connection layer is arranged between the second carrier layer and the optical layer and directly adjacent to the second carrier layer and the optical layer, and
- the first and second connection layer are portions of a single continuous connection layer.
Dependencies are inferred from the claim text.