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Optoelectronic component and method for producing an optoelectronic component

專利號(hào)
US11177414B2
公開日期
2021-11-16
申請(qǐng)人
Osram OLED GmbH(DE Regensburg)
發(fā)明人
Tansen Varghese; Stefan Illek
IPC分類
H01L33/00; H01L33/22; H01L33/30; H01L33/38
技術(shù)領(lǐng)域
region,radiation,recess,layer,body,component,exit,second,first,electrical
地域: Regensburg

摘要

An optoelectronic component may include a semiconductor body and a radiation transmissive bonding layer. The semiconductor body may include a first region of a first conductivity type, a second region of a second conductivity type, and an active region. The active region may be disposed between the first region and the second region. The first region may include a recess and a contact region adjacent to the recess. The active region may be arranged to emit electromagnetic radiation. The semiconductor body may have a first radiation exit surface at a main surface of the second region remote from the active region, and a portion of the electromagnetic radiation may exit the semiconductor body through the first radiation exit surface. The semiconductor body may include a first electrical connection layer and a second electrical connection layer where the second electrical connection layer is arranged at least partially in the recess.

說明書

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

FIG. 2 shows a schematic cross-section through an optoelectronic component 1 according to a second exemplary embodiment. FIG. 2 corresponds to FIG. 1E except for the dimensions, in particular the depth, of the recess 160 and the contact region 170. The recess 160 shown in FIG. 2 is completely formed within the first region 101 of the semiconductor body 10. This means that the recess 160 does not completely penetrate the first region 101. In this second exemplary embodiment, the contact region 170 extends from the second region 102 through the active region 103 to the first region 101. This eliminates penetration of the active region 103 by the recess 160 and advantageously results in a smaller area for non-radiative recombination processes.

In an n-doped first region 101, the pn-junction formed within the first region 101 between the n-doped first region 101 and the p-doped contact region 170 does not represent a short circuit, since this pn-junction has a higher forward voltage than the pn-junction of the active region 103.

FIG. 3A shows a first step of a method for manufacturing an optoelectronic component 1 according to a third exemplary embodiment. The first step corresponds to the first step shown in FIG. 1A of the first exemplary embodiment.

權(quán)利要求

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