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US 8,299,484 B2Granted
Optoelectronic semiconductor chip
AssigneeOSRAM Opto Semiconductors GmbH
InventorsStefan Grötsch, Norbert Linder
Life of this patent
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Abstract
An optoelectronic semiconductor chip including a radiation passage area, where a contact metallization is applied to the radiation passage area, and a first reflective layer sequence is applied to that surface of the contact metallization which is remote from the radiation passage area, and an optoelectronic component that includes such a chip.
Claims14
An optoelectronic semiconductor chip comprising:
- a radiation passage area;
- a contact metallization applied to the radiation passage area;
- and
- a first reflective layer sequence applied to that surface of the contact metallization which is remote from the radiation passage area;
- and
- at least one current spreading track applied to the radiation passage area and electrically conductively connected to the contact metallization, the at least one current spreading track including a current spreading metallization and a second reflective layer sequence applied to that surface of the current spreading metallization which is remote from the radiation passage area;
- wherein the reflective layer sequence is provided for reflecting electromagnetic radiation reflected back to the contact metallization;
- and
- wherein the second reflective layer sequence is provided for reflecting electromagnetic radiation reflected back to the current spreading metallization.
6 more elements
An optoelectronic semiconductor component comprising:
- a radiation passage area;
- a contact metallization applied to the radiation passage area;
- a first reflective layer sequence applied to that surface of the contact metallization which is remote from the radiation passage area;
- and
- an optical filter element comprising a luminescence conversion material disposed downstream of the optoelectronic semiconductor chip in an emission direction, said optical filter element being configured to transmit a first radiation component having a first radiation property and to reflect a second radiation component having a second radiation property, which differs from the first radiation property.
2 more elements
Dependencies are inferred from the claim text.