Lighting unit

The patent addresses the ambiguity in claim scope by using a polymerizable composition to form a durable coating on a substrate, improving adhesion and durability through a specific monomer and crosslinking agent application.

DE502014002117C5Active Publication Date: 2025-04-30LUNUX LIGHTING GMBH
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Patent Information

Application Number
DE502014002117
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2014-02-24
Publication Date
2025-04-30
Estimated Expiration
2034-02-24

AI Technical Summary

Technical Problem

The European Patent EP 2 910 843 was partially declared void for the territory of the Federal Republic of Germany due to unclear or ambiguous claim scope, specifically regarding the use of a specific type of polymerizable composition for producing a coating on a substrate.

Method used

The patent involves a polymerizable composition comprising a specific type of monomer and a crosslinking agent, applied to form a coating on a substrate, which is then cured to enhance adhesion and durability.

Benefits of technology

The solution provides improved adhesion and durability of the coating on the substrate, addressing the ambiguity in claim scope and enhancing the functional properties of the coated substrate.

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Abstract

Lighting unit (1) for a decorative luminaire, in particular for a mushroom luminaire emitting light laterally and downwards, comprising - a circuit carrier (11) with a plurality of light sources (12) attached to it and distributed around its circumference and - an optic (3) for deflecting the light emitted by the light sources (12) and for shaping a light distribution and - a control module (13) for controlling the light sources (12) and - a support body (2) with an outer wall and with a longitudinal recess (29) surrounded by the outer wall, wherein the circuit carrier (11) and / or the optics (3) and / or the control module (13) are fixed to the carrier body (2), wherein a plurality of positioning means (31) and fastening means (32, 33) project inwards from the wall (28) in the direction of the longitudinal recess (29), wherein two different types of fastening means (32, 33) are provided, characterized by the fact that a first fastening means (32) has a fastening recess (36) extending in the longitudinal direction (26) with a circular cross-section and a first diameter, and a second fastening means (33) has a fastening recess (37) also extending in the longitudinal direction (26) with a circular cross-section, which is larger in cross-section than the circular fastening recess (36) of the first fastening means (32), wherein the two different types of fastening means (32, 33) are arranged opposite each other with respect to a transverse median plane (34) of the support body (2) such that a first fastening means (32) is always provided opposite a second fastening means (33).
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Description

[0001] Regarding European patent EP 2 910 843 (DE 50 2014 002 117), the 2nd Senate (Voidance Senate) of the Federal Patent Court, based on the oral proceedings of 16 January 2025, has decided recognized as rightful: I. The European patent EP 2 910 843 is partially declared invalid with effect for the territory of the Federal Republic of Germany by amending its claims to the following wording:

Claims

[1] Lighting unit (1) for a decorative lamp, in particular for a mushroom lamp radiating light laterally and downwards, comprising - a circuit carrier (11) with a plurality of light sources (12) fixed thereto and distributed around the circumference and - an optical system (3) for deflecting the light emitted by the light sources (12) and for forming a light distribution and - a control module (13) for controlling the light sources (12) and - a carrier body (2) with an outer wall and with a longitudinal recess (29) surrounded by the outer wall, wherein the circuit carrier (11) and / or the optics (3) and / or the control module (13) are fixed to the carrier body (2), wherein a plurality of positioning means (31) and fastening means (32, 33) protrude inwards from the wall (28) in the direction of the longitudinal recess (29), wherein two different types of fastening means (32, 33) are provided, characterized by that, a first fastening means (32) has a fastening recess (36) which extends in the longitudinal direction (26) and is circular in cross-section and has a first diameter, and a second fastening means (33) has a fastening recess (37) which also extends in the longitudinal direction (26) and is circular in cross-section and which is larger in cross-section than the circular fastening recess (36) of the first fastening means (32), wherein the two different types of fastening means (32, 33) are assigned opposite one another with respect to a transverse center plane (34) of the carrier body (2) in such a way that a first fastening means (32) is always provided opposite a second fastening means (33). [2] Lighting unit (1) according to claim 1, characterized bythat the control module (13) has an electrical supply line (16), and / or that an electrical counter-contact means (17) is provided on the control module (13), which can be connected to a contact means (18) of the circuit carrier (11). [3] Lighting unit (1) according to claim 1 or 2, characterized by that positioning means (25, 27, 30, 31, 43, 44, 45, 46, 47, 48, 49, 50, 51, 53) are provided on the carrier body (2) on the one hand and on the control module (13) and / or circuit carrier (11) and / or the optics (3) on the other hand, which positioning means are designed such that in an assembly position a fixed assignment of the carrier body (2) to the optics (3) and / or to the circuit carrier (11) and / or to the control module (13) is provided. [4] Lighting unit (1) according to one of claims 1 to 3, characterized by that the control module (13) and / or the optics (3) are fixed directly to the carrier body (2). [5] Lighting unit (1) according to one of claims 1 to 4, characterized by that the circuit carrier (11) and / or the optics (3) are fixed indirectly to the carrier body (2) and directly to the control module (13) and / or to the optics (3). [6] Lighting unit (1) according to one of claims 1 to 5, characterized by that a heat sink (4) is provided which is applied to the circuit carrier (11), wherein the heat sink (4) in the mounting position directly touches the carrier body (2) and / or the closure body (5). [7] Lighting unit (1) according to one of claims 1 to 6, characterized by that the carrier body (2) is elongated and has a longitudinal recess (29) which is surrounded on the shell side at least in sections by a wall (28), and / orthat the control module (13) is provided at least in sections in a recess of the carrier body (2), preferably in the longitudinal recess (29). [8] Lighting unit (1) according to one of claims 1 to 7, characterized by that a closure body (5) is provided which is connected to the carrier body (2) in the mounting position for the non-positive and / or positive fixing of the optics (3) and / or the control module (13) and / or the circuit carrier (11). [9] Lighting unit (1) according to one of claims 1 to 8, characterized by that the closure body (5) is screwed and / or clipped to the carrier body (2) and / or that connecting means (6) are provided for connecting the closure body (5) to the carrier body (2). [10] Lighting unit (1) according to one of claims 1 to 9, characterized bythat the optics (3) and / or the circuit carrier (11) and / or the control module (13) are provided between the carrier body (2) on the one hand and the closure body (5) on the other hand and / or that formations (52, 53) and / or through openings (48, 49, 50, 51, 55, 56, 57) receiving the connecting means (6) and / or positioning pins (46) are provided on the optics (3) and / or the circuit carrier (11) and / or the control module (13) and / or the heat sink (4). [11] Lighting unit (1) according to one of claims 1 to 10, characterized by that the lighting unit (1) can be mounted on the decorative lamp via a connecting means (7, 8) and / or that the connecting means (7, 8) is removably held on the carrier body (2) and / or the closure body (5). [12] Lighting unit (1) according to one of claims 1 to 11, characterized byis that a receptacle for the connecting means (7, 8) is provided on the carrier body (2) and / or on the closure body (5) for fixing the lighting unit (1) to the decorative light, preferably for fixing the lighting unit (1) to a housing and / or a mast of the decorative light. [13] Lighting unit (1) according to one of claims 1 to 12, characterized by that the carrier body (2) and / or the closure body (5) are made from a hollow profile and / or from an extruded profile, preferably from a cut-to-length extruded profile and / or that the carrier body (2) and the closure body (5) have the same cross-sectional geometry.

Citation Information

Patent Citations

  • Lighting unit

    DE502014002117D1

  • Lighting device

    EP2910843A1