Optoelectronic semiconductor component

• US 9,484,508 B2
• Filed: 09/24/2013
• Issued: 11/01/2016
• Est. Priority Date: 09/27/2012
• Status: Expired due to Fees

• Current Assignee: Osram Opto Semiconductors GmbH (Ams-Osram AG)
• Original Assignee: Osram Opto Semiconductors GmbH (Ams-Osram AG)
• Inventors: Dirscherl, Georg, Wegleiter, Walter, Cassignol, Caroline, Weidner, Karl
• Primary Examiner(s): GHYKA, ALEXANDER G
• Application Number:
  US14/430,539
• Publication Number:
  US 20150270459A1
• Time in Patent Office: 1,134 Days
• US Class Current: 1/1
• 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: H01L 33/486 adapted for surface mounting
• CPC Class Codes: H01L 33/505 characterised by the shape, e.g. plate or foil
• CPC Class Codes: H01L 33/54 having a particular shape
• CPC Class Codes: H01L 33/56 Materials, e.g. epoxy or silicone resin
• CPC Class Codes: H01L 33/62 Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls

Abstract

The invention relates to an optoelectronic semiconductor component, which has a carrier element (1), on which an optoelectronic semiconductor chip (2) having at least one active layer is arranged, wherein the active layer is designed to emit or receive light during operation and wherein the semiconductor chip (2) is covered with a protective layer (3) that contains poly-para-xylenes.

Claims

1. An optoelectronic semiconductor component, comprising

a carrier element, on which an optoelectronic semiconductor chip having at least one active layer is arranged,

wherein the active layer is designed to emit or to receive light during operation and the semiconductor chip is covered with a protective layer comprising parylene,

wherein the carrier element has a mounting surface facing away from the optoelectronic semiconductor chip,

wherein the semiconductor chip is laterally surrounded by a potting material, and the protective layer completely covers all surfaces of the semiconductor component apart from the mounting surface and forms an outer layer of the semiconductor component,

wherein the carrier element has at least two electrical connection elements which are embodied as plated-through holes and which extend from the mounting surface facing away from the semiconductor chip through the carrier element as far as that side of the carrier element which faces the semiconductor chip,

wherein the optoelectronic semiconductor component further comprises a wavelength conversion layer,

wherein the semiconductor chip and the wavelength conversion layer are surrounded by a potting material,

wherein electrical contact with a top side of the semiconductor chip remote from the carrier element is realized through an opening in the wavelength conversion layer, an electrical contact structure in the form of a metal film is arranged in the opening,

wherein a corresponding opening containing the electrical contact structure is provided in the potting material so that the electrical contact structure partially runs on top faces of the wavelength conversion layer and of the potting material remote from the carrier element, and

wherein the electrical contact structure is in contact with one of the plated-through holes that is located beside the semiconductor chip when seen on the top side.

2. The semiconductor component according to claim 1, wherein the protective layer consists of parylene.

3. The semiconductor component according to claim 1, wherein the parylene is a fluorine-substituted parylene and/or a combination of two or more parylene derivatives.

4. The semiconductor component according to claim 1, wherein the protective layer forms an outer layer of the semiconductor component.

5. The semiconductor component according to claim 1, wherein the protective layer covers at least one part of the carrier element.

6. The semiconductor component according to claim 5, wherein the protective layer extends continuously from the semiconductor chip onto the carrier element.

7. The semiconductor component according to claim 1, wherein the electrical contact structure electrically conductively connects at least one electrical connection element of the carrier element to an electrical contact element of the semiconductor chip, and the electrical contact structure is covered by the protective layer.

8. The semiconductor component according to claim 1, wherein the potting material comprises a silicone.

9. The semiconductor component according to claim 1, wherein the optoelectronic semiconductor chip is a light emitting semiconductor chip.

10. An optoelectronic semiconductor component, comprising

a carrier element, on which an optoelectronic semiconductor chip having at least one active layer is arranged,

wherein the active layer is designed to emit or to receive light during operation and wherein the semiconductor chip is covered with a protective layer comprising parylene,

wherein the carrier element has a mounting surface facing away from the optoelectronic semiconductor chip, the semiconductor chip is laterally surrounded by a potting material, and the protective layer covers all surfaces of the semiconductor component apart from the mounting surface and forms an outer layer of the semiconductor component, and

wherein the carrier element has at least two electrical connection elements which are embodied as plated-through holes and which extend from the mounting surface facing away from the semiconductor chip through the carrier element as far as that side of the carrier element which faces the semiconductor chip.