Light module, light multiple module and use of a light module or light multiple module for illumination or backlighting

• US 20070211458A1
• Filed: 01/31/2007
• Published: 09/13/2007
• Est. Priority Date: 02/01/2006
• Status: Abandoned Application

• Current Assignee: Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen mbH (Ams-Osram AG)
• Original Assignee: Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen mbH (Ams-Osram AG)
• Inventors: Stoyan, Harald, Kraus, Robert, Schroll, Katrin, Bertram, Ralph
• Application Number:
  US11/700,445
• Publication Number:
  US 20070211458A1
• Time in Patent Office: Days
• US Class Current: 362/227
• CPC Class Codes: B60Q 3/43 General lighting
• CPC Class Codes: B64D 2011/0038 Illumination systems for cabins as a whole
• CPC Class Codes: B64D 2203/00 Aircraft or airfield lights using LEDs
• CPC Class Codes: F21K 9/60 Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
• CPC Class Codes: F21W 2107/30 for aircraft
• CPC Class Codes: G02B 19/00 Condensers, e.g. light collectors or similar non-imaging opticsfor microscopes G02B21/08
• CPC Class Codes: G02B 19/0028 refractive and reflective surfaces, e.g. non-imaging catadioptric systems
• CPC Class Codes: G02B 19/0066 in the form of an LED array
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2224/48247 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 2224/8592 Applying permanent coating, e.g. protective coating
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details

Abstract

A light module (1) comprising a plurality of radiation-emitting semiconductor components (2), each of which is assigned an emission angle (2φ), comprising at least one component having an optical element (9) that enlarges the emission angle (2φ), and comprising a common optical device for focusing the radiation. The radiation is intermixed by means of the optical element (9). Also disclosed is a light multiple module (16), which has at least two light modules (1).

Claims

1. A light module comprising:

a plurality of radiation-emitting semiconductor components, each of which is assigned an emission angle, wherein at least one of the components has an optical element that enlarges the emission angle; and

a common optical device for focusing the radiation,

wherein the radiation is intermixed by means of the optical element.

2. The light module as claimed in claim 1, wherein the radiation is intermixed in such a way that a uniform color location is assigned to a predetermined area illuminated by means of the light module.

3. The light module as claimed in claim 2, wherein the radiation is focused by means of the optical device in such a way that the predetermined area is illuminated by means of the light module with a uniform luminous intensity.

4. The light module as claimed in claim 1, wherein each component has an optical element for enlarging the emission angle.

5. The light module as claimed in claim 1, wherein the optical element has a radiation exit area comprising a concavely curved partial region and a convexly curved partial region, which at least partly surrounds the concavely curved partial region at a distance from an optical axis, wherein the optical axis runs through the concavely curved partial region.

6. The light module as claimed in claim 1, wherein the components are arranged on a carrier.

7. The light module as claimed in claim 1, wherein the optical device is a reflective element.

8. The light module as claimed in claim 6, wherein the optical device is a reflective element, and the optical device is formed by means of reflective side walls connected to the carrier.

9. The light module as claimed in claim 8, wherein the side walls form an angle of inclination of 0°

<

α

≦

90°

with a main area (5) of the carrier.

10. The light module as claimed in claim 9, wherein the angle of inclination is α

=65°

.

11. The light module as claimed in claim 1, wherein the optical device is a refractive or diffractive element.

12. The light module as claimed in claim 6, wherein an arrangement comprising the carrier and the optical device has a well form or channel form.

13. The light module as claimed in claim 1, wherein at least two components generate radiation of different colors.

14. The light module as claimed in claim 13, wherein a first component generates red light, a second component generates green light, a third component generates blue light and a fourth component generates white light.

15. The light module as claimed in claim 13, wherein the light module is assigned different color locations by means of a change in the current supply of the components.

16. The light module as claimed in claim 1, wherein at least two components generate radiation of the same color.

17. The light module as claimed in claim 16, wherein the components that generate radiation of the same color are connected up in series.

18. The light module as claimed in claim 1, wherein the components are arranged in row-like fashion.

19. The light module as claimed in claim 1, wherein the components are surface-mountable.

20. The light module as claimed in claim 1, wherein each component has a housing body in which a radiation-emitting semiconductor body is arranged.

21. A light multiple module, which has at least two light modules as claimed in claim 1.

22. The light multiple module as claimed in claim 21, wherein the light modules are arranged in row-like fashion.

23. The light multiple module as claimed in claim 21, wherein the light modules are arranged in matrix-like fashion.

24. The light multiple module as claimed in claim 21, wherein the light modules are connected up in parallel.

25. The light multiple module as claimed in claim 21, wherein a predetermined area illuminated by means of the light modules is assigned in each case the same color location.