JP2016517186A - 発光半導体素子および発光半導体素子の製造方法 - Google Patents
発光半導体素子および発光半導体素子の製造方法 Download PDFInfo
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Abstract
Description
Claims (18)
- ビーム放射半導体素子であって、
・半導体層列(200)を備えた少なくとも1つの半導体チップ(2)と、
・実装面(11)と、
・ビーム出射面(10)と、
・ビームガイド層(3)と、
・反射体(4)とを有しており、
前記半導体層列(200)は、ビーム生成のために設けられたアクティブ領域(20)を有しており、
前記実装面(11)には、前記半導体チップの外部との接触接続のための少なくとも1つの電気的なコンタクト(51、52)が形成されており、当該実装面は、前記半導体層列の主要延在面に対して平行に延在しており、
前記ビーム出射面(10)は、前記実装面に対して傾斜して、または、垂直に延在しており、
前記ビームガイド層(3)は、前記半導体チップと前記ビーム出射面との間のビーム路内に配置されており、
前記反射体(4)は、部分的に、前記ビームガイド層に当接しており、前記半導体素子を平面図で見ると、前記半導体チップを覆っている、
ことを特徴とするビーム放射半導体素子。 - 前記ビームガイド層は、ビーム変換材料を含有している、請求項1記載のビーム放射半導体素子。
- 前記ビームガイド層は前記ビーム出射面を形成し、前記反射体を側面図で見ると、前記ビーム出射面を全周囲に沿って包囲している、請求項1または2記載のビーム放射半導体素子。
- 前記半導体チップは、コンタクト路(55)を用いて前記コンタクトと接続されており、
前記コンタクト路は部分的に、前記ビームガイド層と反射層との間に配置されている、請求項1から3までのいずれか1項記載のビーム放射半導体素子。 - 前記ビームガイド層は、前記半導体素子の平面図において、前記半導体チップを完全に包囲している、請求項1から4までのいずれか1項記載のビーム放射半導体素子。
- 前記半導体チップの、前記実装面とは反対側の前面(24)には、前記半導体素子を平面図で見ると、前記ビームガイド層が設けられていない、請求項5記載のビーム放射半導体素子。
- 前記ビームガイド層は少なくとも1つの中空部(31)を有しており、当該中空部(31)を通じて、前記半導体チップは、前記コンタクトと電気的に接続されている、請求項5または6記載のビーム放射半導体素子。
- 前記ビームガイド層は、前記実装面に対して垂直に延在する方向において、半導体ボディと前記反射体との間に配置されており、
前記反射体は、前記半導体チップを水平方向において完全に包囲している、請求項1から4までのいずれか1項記載のビーム放射半導体素子。 - 前記半導体チップの少なくとも2つの外面には、ミラー層が設けられている、請求項1から8までのいずれか1項記載のビーム放射半導体素子。
- 前記半導体チップはリードフレーム(5)上に配置されており、当該リードフレームは前記コンタクトを形成する、請求項1から9までのいずれか1項記載のビーム放射半導体素子。
- 複数個のビーム放射半導体素子を製造する方法であって、
a)ビーム生成のために設けられたアクティブ領域(20)を備えた半導体層列(200)を各々有している複数個の半導体チップ(2)を準備するステップと、
b)前記半導体チップに当接しているビームガイド層(3)を形成するステップと、
c)反射体(4)を形成する反射体材料によって、前記ビームガイド層を少なくとも部分的に包囲するステップと、
d)複数個のビーム放射半導体素子(1)に個別化するステップと
を有しており、
各半導体素子は少なくとも1つの半導体チップを有しており、前記ビームガイド層が個別化された半導体素子のビーム出射面を形成するように、個別化時に前記ビームガイド層と前記反射体とを分断する、
ことを特徴とする方法。 - 前記ステップd)の前に、水平方向において完全に、前記ビームガイド層を前記反射体によって包囲し、前記ステップd)において露出させる、請求項11記載の方法。
- 前記ステップc)の前に、分断溝(35)を、隣接している半導体チップの間であって、前記ビームガイド層内に形成する、請求項11または12記載の方法。
- 前記半導体チップ同士を、ステップb)の後に、電気的に接触接続させる、請求項11から13までのいずれか1項記載の方法。
- 前記複数個の半導体チップを、前記ビームガイド層の中空部(31)によって、電気的に接触接続させる、請求項11から14までのいずれか1項記載の方法。
- 前記ビームガイド層をステップb)において、前記半導体チップの前記側面(27)に形成する、請求項11から15までのいずれか1項記載の方法。
- 前記ビームガイド層の形成前に、前記半導体チップの前記側面に、さらなる反射体材料を設ける、請求項11から15までのいずれか1項記載の方法。
- 前記ビームガイド層はビーム変換材料を含有しており、前記半導体素子によって放射されるビームの色位置を、ステップd)の後に、前記ビームガイド層の材料除去によって調節する、請求項11から17までのいずれか1項記載の方法。
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US20160087177A1 (en) | 2016-03-24 |
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