Housing for an optoelectronic component emitting electromagnetic radiation, component emitting electromagnetic radiation, and method for the production of a housing or a component

• US 20090116209A1
• Filed: 07/20/2006
• Published: 05/07/2009
• Est. Priority Date: 07/21/2005
• Status: Active Grant

• Current Assignee: OSRAM OLED GMBH (Ams-Osram AG)
• Original Assignee: Osram Opto Semiconductors GmbH (Ams-Osram AG)
• Inventors: Engl, Moritz, Oswald, Florin
• Granted Patent: US 8,344,263 B2
• Time in Patent Office: Days
• US Class Current: 361/818
• 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 2224/48472 the other connecting portion not on the bonding area also being a wedge bond, i.e. wedge-to-wedge
• 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 2924/00014 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
• CPC Class Codes: H01L 2924/3025 Electromagnetic shielding
• CPC Class Codes: H01L 33/44 characterised by the coatings, e.g. passivation layer or anti-reflective coating
• CPC Class Codes: H01L 33/46 Reflective coating, e.g. dielectric Bragg reflector
• CPC Class Codes: H01L 33/483 Containers
• CPC Class Codes: H01L 33/486 adapted for surface mounting
• CPC Class Codes: H01L 33/60 Reflective elements

Abstract

A housing for an electromagnetic-radiation-emitting optoelectronic component. Exterior side faces of the housing are at least partly provided with a screening layer suitable for screening an electromagnetic radiation. A lateral emission of electromagnetic radiation from the housing, which is disadvantageous for many applications, is thereby intended to be avoided. An electromagnetic-radiation-emitting component having a housing of this type and a method for producing a corresponding housing or component are additionally described.

Claims

1. A housing for an electromagnetic-radiation-emitting optoelectronic component, comprising:

exterior side faces for the housing; and

a screening layer applied on at least part of the exterior side faces and being suitable for screening an electromagnetic radiation.

2. The housing according to claim 1, wherein the screening layer has a material that is reflective for the electromagnetic radiation.

3. The housing according to claim 1, wherein,

the screening layer has a material that is absorbent for the electromagnetic radiation.

4. The housing according to claim 3, wherein the screening layer has a black material.

5. The housing according to claim 1, wherein the screening layer has a lacquer.

6. The housing according to claim 1, wherein the exterior side faces comprise external faces of a housing body which has ceramic material.

7. The housing according to claim 1, wherein the exterior side faces comprise external faces of a housing body which has plastic material.

8. The housing according to claim 1, wherein the exterior side faces are at least partly inclined with respect to a plane running perpendicular to a mounting plane of the housing.

9. The housing according to claim 8, wherein the exterior side faces are inclined with respect to the plane at least partly between 30°

and 60°

inclusive.

10. The housing according to claim 1, wherein at least one exterior side face is essentially completely covered with the screening layer.

11. The housing according to claim 1, wherein the screening layer has plastic or comprises plastic.

12. An electromagnetic-radiation-emitting component having at least one luminescence diode, comprising a housing according to claim 1.

13. A method for producing a housing for an electromagnetic-radiation-emitting optoelectronic component or an electromagnetic-radiation-emitting component,

comprising the steps of:

providing a housing or a component having a housing; and

applying a screening layer to at least one portion of exterior side faces of the housing.

14. The method according to claim 13, wherein applying the screening layer comprises the use of pad printing.

15. The method according to claim 13, wherein applying the screening layer comprises the use of screen printing.

16. The method according to claim 13, wherein applying the screening layer comprises the use of inkjet printing.

17. The method according to claim 13, wherein applying the screening layer comprises the use of plastic coating.

18. The method according to claim 13, wherein applying the screening layer comprises the use of powder coating.