IP Library Granted Patent US 9,455,379
Granted Patent B2
US 9,455,379 · App. 14/112,510 · Granted Sep 27, 2016

Carrier, optoelectronic unit comprising a carrier and methods for the production of both

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Quick Facts
Patent No.
US 9,455,379
App. No.
14/112,510
Granted
Sep 27, 2016
Kind
B2
Abstract

A carrier for an optoelectronic unit has a carrier material which includes polyethylene terephthalate which contains reflector particles and a further filler. Methods for the production of the optoelectronic unit and the carrier are also disclosed.

Claims (30)

1. A carrier for an optoelectronic unit having a carrier material that comprises polyethylene terephthalate that contains reflector particles and a further filler, wherein the reflector particles have a proportion of greater than or equal to 15 wt. % and less than or equal to 30 wt. %, and the further filler has a proportion of greater than or equal to 20 wt. % and less than or equal to 50 wt. % of the carrier material.

2. The carrier according to claim 1 , wherein the carrier material further contains a cross-linking additive that is at least partially cross-linked with the polyethylene terephthalate.

3. The carrier according to claim 2 , wherein the cross-linking additive comprises tetraallyl isocyanurate and has a proportion of greater than or equal to 2 wt. % and less than or equal to 4 wt. % of the carrier material.

4. The carrier according to claim 2 , wherein the further filler comprises at least one or a plurality of the following materials: glass fibers, glass spheres, cellulose fibers, mineral filler.

5. The carrier according to claim 1 , wherein the further filler is formed by glass fibers.

6. The carrier according to claim 1 , wherein the reflector particles comprise at least one or a plurality of the following materials: titanium oxide, zinc oxide, zirconium oxide, barium sulphate.

7. The carrier according to claim 1 , wherein the carrier material also comprises polybutylene terephthalate in a proportion of less than or equal to 60 wt. %.

8. The carrier according to claim 1 , wherein the carrier material also comprises polybutylene terephthalate in a proportion of less than or equal to 20 wt. %.

9. The carrier according to claim 1 , wherein the carrier material also comprises polybutylene terephthalate in a proportion of less than or equal to 10 wt. %.

10. The carrier according to claim 1 ,

wherein the carrier material also contains a cross-linking additive that is at least partially cross-linked with the polyethylene terephthalate;

wherein the carrier material also comprises polybutylene terephthalate in a proportion of less than or equal to 20 wt. %;

wherein the reflector particles have a proportion of greater than or equal to 15 wt. % and less than or equal to 30 wt. %;

wherein the further filler has a proportion of greater than or equal to 20 wt. % and less than or equal to 50 wt. % of the carrier material; and

wherein the further filler comprises at least one or a plurality of the following materials: glass fibers, glass spheres, cellulose fibers, mineral filler.

11. An optoelectronic unit comprising:

a carrier; and

an optoelectronic semiconductor chip disposed on the carrier;

wherein the carrier is formed as a carrier plate or as a housing with a housing recess in which the optoelectronic semiconductor chip is disposed; and

wherein the carrier comprises polyethylene terephthalate that contains reflector particles and a further filler, and

wherein the reflector particles have a proportion of greater than or equal to 15 wt. % and less than or equal to 30 wt. %, and the further filler has a proportion of greater than or equal to 20 wt. % and less than or equal to 50 wt. % of a carrier material.

12. The optoelectronic unit according to claim 11 , wherein the optoelectronic semiconductor chip is a light-emitting semiconductor chip.

13. The optoelectronic unit according to claim 11 , wherein the optoelectronic semiconductor chip is covered by a filler compound, which is disposed on the carrier.

14. A carrier for an optoelectronic unit having a carrier material that comprises polyethylene terephthalate that contains reflector particles and a further filler, wherein the carrier material further contains a cross-linking additive that is at least partially cross-linked with the polyethylene terephthalate.

15. The carrier according to claim 14 , wherein the cross-linking additive comprises tetraallyl isocyanurate and has a proportion of greater than or equal to 2 wt. % and less than or equal to 4 wt. % of the carrier material.

16. The carrier according to claim 14 , wherein the further filler comprises at least one or a plurality of the following materials: glass fibers, glass spheres, cellulose fibers, mineral filler.

17. The carrier according to claim 14 , wherein the further filler is formed by glass fibers.

18. The carrier according to claim 14 , wherein the carrier material also comprises polybutylene terephthalate in a proportion of less than or equal to 60 wt. %.

19. The carrier according to claim 14 , wherein the carrier material also comprises polybutylene terephthalate in a proportion of less than or equal to 20 wt. %.

20. The carrier according to claim 14 , wherein the carrier material also comprises polybutylene terephthalate in a proportion of less than or equal to 10 wt. %.

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 Dec 5, 2013
From: KRAEUTER, GERTRUD
To: OSRAM OPTO SEMICONDUCTORS GMBH
Reel/Frame 031725/0397 →