IP Library Granted Patent US 8,853,732
Granted Patent B2
US 8,853,732 · App. 13/499,622 · Granted Oct 7, 2014

Optoelectronic component

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Quick Facts
Patent No.
US 8,853,732
App. No.
13/499,622
Granted
Oct 7, 2014
Kind
B2
Abstract

The invention relates to an optoelectronic component, having —a carrier ( 1 ) comprising a first main surface (Ia), —at least one optoelectronic semiconductor chip ( 2 ) having no substrate, and —a contact metallization ( 3 a, 3 b ), wherein —the carrier ( 1 ) is electrically insulating, —the at least one optoelectronic semiconductor chip ( 2 ) is fastened to the first main surface (Ia) of the carrier ( 1 ) by means of a bonding material ( 4 ), particularly a solder material, —the contact metallization ( 3 a, 3 b ) covers at least one area of the first main surface (Ia) free of the optoelectronic semiconductor chip ( 2 ), and —the contact metallization ( 3 a, 3 b ) is electrically conductively connected to the optoelectronic semiconductor chip ( 2 ).

Claims (58)

1. An optoelectronic component comprising:

a carrier, having a first main area;

at least one substrateless optoelectronic semiconductor chip; and

a contact metallization,

wherein the carrier is electrically insulated,

wherein the at least one optoelectronic semiconductor chip is fixed to the first main area of the carrier by means of a connecting material, in particular a solder material,

wherein the contact metallization covers at least one region of the first main area which is free of the optoelectronic semiconductor chip,

wherein the contact metallization is electrically conductively connected to the optoelectronic semiconductor chip;

wherein the at least one optoelectronic semiconductor chip is a surface-mountable semiconductor chip having p-doped layers, n-doped layers and an active zone,

wherein the at least one semiconductor chip comprises plated-throughholes which penetrate through the p-doped layers and the active zone,

wherein the semiconductor chip is contact-connected on an n-side via the plated-throughholes or the plated throughholes penetrate through the n-doped layers and the active zone and the semiconductor chip is contact-connected on a p-side via the plated-throughholes.

2. The optoelectronic component according to claim 1 ,

wherein the carrier has at least one opening extending from the first main area through the carrier to an opposite second main area,

wherein the opening is filled with an electrically conductive material at least in places, and

wherein the electrically conductive material is electrically conductively connected to the contact metallization.

3. The optoelectronic component according to claim 1 , wherein

at least one opening is surrounded completely by the carrier in a lateral direction.

4. The optoelectronic component according to claim 1 , wherein the electrically conductive material of at least one opening is free of the carrier in a lateral direction.

5. The optoelectronic component according to claim 1 , wherein at least one component connection is arranged at the second main area of the carrier, wherein the component connection is electrically conductively connected to the electrically conductive material in at least one opening.

6. The optoelectronic component according to claim 1 , comprising:

at least two optoelectronic semiconductor chips of identical type, which are fixed to the first main area of the carrier, and

at least one conversion element which covers the optoelectronic semiconductor chips of identical type at their side remote from the first main area.

7. The optoelectronic component according to claim 6 , wherein the conversion element covers an interspace between two adjacent optoelectronic semiconductor chips of identical type.

8. The optoelectronic component according to claim 1 , comprising:

a potting body, which molds around the optoelectronic semiconductor chip at least in places, wherein

the potting body adjoins the first main area of the carrier, and

at least one side area of the potting body terminates flush with at least one side area of the carrier.

9. An optoelectronic device comprising:

a housing base body, and

at least one optoelectronic component according to claim 1 , wherein the optoelectronic component is fixed in or to the housing base body.

10. The optoelectronic device according to claim 9 , wherein

a potting body is molded around the optoelectronic component at least in places, wherein the potting body adjoins the carrier, the optoelectronic semiconductor chip and the housing base body.

11. The optoelectronic component according to claim 1 , wherein a reflecting potting material surrounds the at least one optoelectronic semiconductor chip all around in a lateral direction, wherein the reflective potting material completely covers the first main area of the carrier, and wherein only a top side of the optoelectronic semiconductor chip facing away from the carrier is free of the reflective potting material.

12. The optoelectronic component according to claim 11 , wherein the reflective potting material completely covers the contact metallization such that the contact metallization is not discernible in a plane view of the optoelectronic component.

13. An optoelectronic component comprising:

a carrier, having a first main area;

at least two substrateless optoelectronic semiconductor chips of identical type, which are fixed to the first main area of the carrier;

at least one conversion element which covers the optoelectronic semiconductor chips of identical type at their side remote from the first main area; and

a contact metallization,

wherein the carrier is electrically insulated,

wherein the at least one optoelectronic semiconductor chip is fixed to the first main area of the carrier by means of a connecting material,

wherein the contact metallization covers at least one region of the first main area which is free of the optoelectronic semiconductor chip,

wherein the contact metallization is electrically conductively connected to the optoelectronic semiconductor chip,

wherein the conversion element covers an interspace between two adjacent optoelectronic semiconductor chips of identical type, and

wherein said connecting material is solder material.

14. An optoelectronic component comprising:

a carrier, having a first main area;

at least two substrateless optoelectronic semiconductor chips of identical type, which are fixed to the first main area of the carrier;

at least one conversion element which covers the optoelectronic semiconductor chips of identical type at their side remote from the first main area; and

a contact metallization,

wherein the carrier is electrically insulated,

wherein the at least one optoelectronic semiconductor chip is fixed to the first main area of the carrier by means of a connecting material,

wherein the contact metallization covers at least one region of the first main area which is free of the optoelectronic semiconductor chip,

wherein the contact metallization is electrically conductively connected to the optoelectronic semiconductor chip,

wherein the conversion element covers an interspace between two adjacent optoelectronic semiconductor chips of identical type, and

wherein a reflecting potting material surrounds the at least one optoelectronic semiconductor chip all around in a lateral direction, wherein the reflective potting material completely covers the first main area of the carrier, and wherein only a top side of the optoelectronic semiconductor chip facing away from the carrier is free of the reflective potting material.

15. The optoelectronic component according to claim 14 , wherein the reflective potting material completely covers the contact metallization such that the contact metallization is not discernible in a plane view of the optoelectronic component.

16. The optoelectronic component according to claim 14 , wherein the conversion element covers the optoelectronic semiconductor chips of identical type only at a side remote from the first main area, and the conversion element is a lamina consisting of a ceramic luminescence conversion material which spans the interspace between the adjacent semiconductor chips.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2020
From: OSRAM OPTO SEMICONDUCTORS GMBH
To: OSRAM OLED GMBH
Reel/Frame 051467/0906 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 13, 2012
From: MUELLER, KLAUS; SPATH, GUENTER; HERRMANN, SIEGFRIED; GUENTHER, EWALD KARL MICHAEL; BRUNNER, HERBERT
To: OSRAM OPTO SEMICONDUCTORS GMBH
Reel/Frame 028371/0217 →