Flexible multiple led module, in particular for a luminaire housing of a motor vehicle

• US 6,299,337 B1
• Filed: 03/06/2000
• Issued: 10/09/2001
• Est. Priority Date: 03/04/1999
• Status: Expired due to Term

• Current Assignee: Osram Opto Semiconductors GmbH (Ams-Osram AG)
• Original Assignee: Osram Opto Semiconductors GmbH (Ams-Osram AG)
• Inventors: Bachl, Bernhard, Waitl, Günter
• Primary Examiner(s): O'Shea, Sandra
• Assistant Examiner(s): CHOI, JACOB Y
• Application Number:
  US09/519,540
• Time in Patent Office: 582 Days
• Field of Search: 362/543, 362/544, 362/545, 362/800, 362/555, 362/250, 362/252, 361/739, 361/749
• US Class Current: 362/545
• CPC Class Codes: F21S 43/14 Light emitting diodes [LED]
• CPC Class Codes: F21S 43/195 Details of lamp holders, terminals or connectors
• CPC Class Codes: F21S 43/26 Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
• CPC Class Codes: F21S 45/47 Passive cooling, e.g. using fins, thermal conductive elements or openings
• CPC Class Codes: F21V 29/89 Metals
• CPC Class Codes: F21Y 2107/80 on articulated supports or substrates
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: G09F 9/301 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
• CPC Class Codes: H01L 25/13 the devices being of a type provided for in group H01L33/00
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H05K 1/189 characterised by the use of a flexible or folded printed circuit H05K3/326 takes precedence

Abstract

The invention describes a flexible multiple LED module having a plurality of rigid printed circuit boards, which are each connected at one of their main surfaces to a flexible printed circuit board with a spacing between one another, and a plurality of LEDs, which are mounted in the region of the rigid printed circuit boards on the flexible printed circuit board. The multiple LED module is suitable particularly for installation in luminaire housings, in particular for motor vehicles.

Claims

1. A flexible multiple LED module, comprising:

a flexible printed circuit board;

a plurality of rigid printed circuit boards having main surfaces connected to said flexible printed circuit board and with a spacing distance between one another; and

a plurality of LEDs mounted on said flexible circuit board in a region of said rigid printed circuit boards.

2. The flexible multiple LED module according to claim 1, wherein said flexible printed circuit board carries an electric circuit and said LEDs are integrated in said electric circuit applied on said flexible printed circuit board.

3. The flexible multiple LED module according to claim 2, wherein said electric circuit comprises resistors disposed on said flexible printed circuit board in a region of said spacing distance between said rigid printed circuit boards.

4. The flexible multiple LED module according to claim 1, wherein said rigid circuit boards are formed of aluminum.

5. The flexible multiple LED module according to claim 1, wherein said flexible printed circuit board is composed of plastic.

6. The flexible multiple LED module according to claim 1, wherein said flexible printed circuit board is formed of a plastic selected from the group consisting of polyester and polyimide.

7. The flexible multiple LED module according to claim 1, wherein said flexible printed circuit board is constructed from a plurality of layers of polyimide.

8. A multiple LED module assembly, comprising:

a luminaire housing for a motor vehicle; and

a flexible multiple LED module mounted in said housing, said flexible multiple LED module including

a flexible printed circuit board;

a plurality of rigid printed circuit boards having main surfaces connected to said flexible printed circuit board and with a spacing distance between one another; and

a plurality of LEDs mounted on said flexible circuit board in a region of said rigid printed circuit boards.