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Optoelectronic component, a module having at least two optoelectronic components, and a method for producing an optoelectronic component

專利號
US11177416B2
公開日期
2021-11-16
申請人
OSRAM OLED GmbH(DE Regensburg)
發(fā)明人
Peter Brick; Ulrich Streppel; Christopher Wiesmann
IPC分類
H01L33/50; H01L33/60
技術(shù)領(lǐng)域
chip,radiation,element,conversion,optical,in,component,emission,portions,or
地域: Regensburg

摘要

An optoelectronic component may include at least one semiconductor chip for emitting electromagnetic radiation, a conversion element, and an optical element. The conversion element may at least partially convert primary radiation emitted by the semiconductor chip(s) into secondary radiation where the conversion element is arranged downstream of the semiconductor chip(s) in the emission direction and is arranged on the semiconductor chip(s). The optical element may be arranged downstream of the conversion element in the emission direction and where the conversion element is subdivided into individual portions.

說明書

FIG. 5 shows a schematic representation of a cross section of an optoelectronic component 300 according to a third embodiment.

The optoelectronic component 300 according to the third embodiment includes an optical element 304, which includes microreflectors 305 or other reflective elements as optical microelements. The microreflectors 305 may in this case have any shape, for example elliptical, parabolic or spherical. Furthermore, the microreflectors may be configured as concave mirrors with a reflective coating, or also as a TIR (total internal reflection) reflector, for example a CPC (compound parabolic concentrator).

According to the third embodiment, the microreflectors 305 are configured as conic frustums. The reflective materials are selected in such a way that a material with a high refractive index is provided inside the reflector and a material with a low refractive index is provided outside the reflector. For example, the conic frustums may consist of solid material such as polymer, silicone or epoxy. As an alternative, the reflectors may have a particular wall thickness with a coating on the interface.

FIGS. 6 to 8 show schematic representations of a cross section of an optoelectronic component according to a fourth, fifth and sixth embodiment.

The embodiments of FIGS. 6 to 8 in this case correspond to the first embodiment, with the exception of the semiconductor chip used.

權(quán)利要求

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