Colour effect light

• US 20010021109A1
• Filed: 03/15/2001
• Published: 09/13/2001
• Est. Priority Date: 09/15/1998
• Status: Active Grant

• Current Assignee: Wolf-Dieter Schleifer
• Original Assignee: Wolf-Dieter Schleifer
• Inventors: Schleifer, Wolf-Dieter
• Granted Patent: US 6,471,370 B2
• Time in Patent Office: Days
• US Class Current: 362/231
• CPC Class Codes: F21S 10/02 changing colors F21S10/002 - F21S10/007, F21S10/04 take precedence
• CPC Class Codes: F21V 7/0008 providing for indirect lighting
• CPC Class Codes: F21V 9/40 with provision for controlling spectral properties, e.g. colour, or intensity
• CPC Class Codes: H05B 47/155 Coordinated control of two or more light sources

Abstract

The invention relates to a colour effect light with several differently coloured and adjustable illuminants 1, 2, 3 and a transparent lampshade 4, whereby inside the lampshade there is provided a light-mixing and reflecting body 5 which is illuminated by the differently coloured illuminants 1, 2, 3, whereby the light from the illuminants 1, 2, 3 is mixed additively by means of the light-mixing and reflecting body 5 and the additively mixed light from the light-mixing and reflecting body 5 is reflected onto the inside of the lampshade 4 where is visible to observers as a colour effect.

Claims

1. Colour effect light with

several differently coloured illuminants (1, 2, 3) whose brightness can be regulated separately and

a three-dimensionally extending transparent lampshade (4),

characterised in that

inside the lampshade (4) there is provided a light-mixing and reflecting body (5) having a three-dimensionally shaped outside-surface illuminated by the differently coloured illuminants (1, 2, 3), which are directed to the light-mixing and reflecting body from different sides whereby

the light from the illuminants (1, 2, 3) is mixed additively by the light-mixing and reflecting body (5) and

the additively mixed light from the light-mixing and reflecting body (5) is reflected onto the inside of the lampshade (4) where it is visible to the observer as a colour effect.

2. Colour effect light according to

claim 1

, characterised in that the light-mixing and reflecting body (5) is opaque whereby the additive light mixing only takes place on the surface section of the light-mixing and reflecting body (5) which is directly illuminated by the appropriate illuminants (1, 2, 3) and is reflected from this surface section onto the inside the lampshade (4).

3. Colour effect light according to

claim 1

, characterised in that the light-mixing and reflecting body (5) is transparent and has a surface suitable for additive light mixing whereby the additive light mixing takes place both on the surface section of the light-mixing and reflecting body (5) which is illuminated directly by the illuminants (1, 2, 3) and some of the light passes through the transparent light-mixing and reflecting body (5), and emerges on the opposite side where additive light mixing takes place with the rays directly incident on this surface section.

4. Colour effect light according to one of the preceding claims, characterised in that the light-mixing and reflecting body (5) is a cone and the lampshade is a cylinder whereby the cone standing on its apex is positioned concentrically in the cylinder and the illuminants (1, 2, 3) are arranged in a circle around the apex of the cone and radiate onto the cone surface where the light is mixed additively and is reflected onto the inside of the cylindrical lampshade.

5. Colour effect light according to

claim 4

, characterised in that the cone is hollow and the cone surface is a white, transparent plastic film.

6. Colour effect light according to one of the preceding claims, characterised in that the light-mixing and reflecting body (5) can be interchanged.