JP2019062220A - 半導体デバイス及び照明装置 - Google Patents
半導体デバイス及び照明装置 Download PDFInfo
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- JP2019062220A JP2019062220A JP2018228527A JP2018228527A JP2019062220A JP 2019062220 A JP2019062220 A JP 2019062220A JP 2018228527 A JP2018228527 A JP 2018228527A JP 2018228527 A JP2018228527 A JP 2018228527A JP 2019062220 A JP2019062220 A JP 2019062220A
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- radiation
- conversion element
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- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
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Abstract
Description
Claims (17)
- 半導体デバイス(1)であって、
第1のピーク波長を有する1次放射を形成するために設けられた半導体チップ(2)と、該半導体チップ上に設けられた放射変換素子(3)とを有し、
前記放射変換素子は、前記1次放射を、少なくとも部分的に、第2のピーク波長を有する2次放射へ変換する量子構造(30)と、前記1次放射に対して透過性を有する基板(35)とを有する、
半導体デバイス。 - 前記放射変換素子は、AlxInyGa1−x−yN、又は、AlxInyGa1−x−yP、又は、AlxInyGa1−x−yAsを含む、
請求項1記載の半導体デバイス。 - 前記第1のピーク波長は前記第2のピーク波長より短い、
請求項1又は2記載の半導体デバイス。 - 前記半導体デバイスは、第3のピーク波長を有する放射を発光するエミッタ(4)を有する、
請求項1から3までのいずれか1項記載の半導体デバイス。 - 前記エミッタと前記放射変換素子との間の光路にリフレクタ層(7)が設けられている、
請求項4記載の半導体デバイス。 - 前記エミッタは別の放射変換素子(41)である、
請求項4又は5記載の半導体デバイス。 - 前記放射変換素子と前記別の放射変換素子とは、前記半導体チップ上に横方向又は上下方向に設けられている、
請求項6記載の半導体デバイス。 - 前記半導体デバイスは別の半導体チップ(44)を有しており、
前記別の放射変換素子は、前記別の半導体チップ上に設けられている、
請求項4又は5記載の半導体デバイス。 - 前記別の放射変換素子は、前記半導体チップのカバー(65)に埋め込まれた蛍光物質によって形成されている、
請求項4記載の半導体デバイス。 - 前記エミッタは別の半導体チップ(44)であり、
前記別の半導体チップは、第3のピーク波長を形成するための活性領域(440)を有する、
請求項4又は5記載の半導体デバイス。 - 前記別の半導体チップと前記半導体チップとが1つのリフレクタ層(7)に埋め込まれており、
前記別の半導体チップ上に、第3のピーク波長の放射に対して透過性を有する基体(48)が設けられており、
前記リフレクタ層は、前記放射に対して透過性を有する基体と前記放射変換素子とに接しており、
前記放射に対して透過性を有する基体及び前記放射変換素子は、前記半導体デバイスの放射面(12)で、その少なくとも一部の領域を前記リフレクタ層から露出させている、
請求項10記載の半導体デバイス。 - 前記放射変換素子上に、波長選択性の透過率を有する誘電性コーティング(5)が設けられている、
請求項1から11までのいずれか1項記載の半導体デバイス。 - 前記放射変換素子上に散乱層(55)が設けられている、
請求項1から12までのいずれか1項記載の半導体デバイス。 - 前記量子構造は、前記基板の、前記半導体チップに向かう側の面に設けられている、
請求項1から13までのいずれか1項記載の半導体デバイス。 - 前記放射変換素子は、出力構造(58)を有する、
請求項1から14までのいずれか1項記載の半導体デバイス。 - 照明装置(11)であって、
請求項1から15までのいずれか1項記載の半導体デバイス(1)を少なくとも1つと、
前記半導体デバイスを上部に配置した接続支持体(15)と
を有する、照明装置。 - 前記照明装置は、ディスプレイ装置のバックライト用、プロジェクション用、撮影フラッシュ用、又は、ヘッドランプ用の照明装置として構成されている、
請求項16記載の照明装置。
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US10553748B2 (en) | 2020-02-04 |
WO2015181072A1 (de) | 2015-12-03 |
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US20200135969A1 (en) | 2020-04-30 |
CN106415836B (zh) | 2020-01-17 |
US20170054054A1 (en) | 2017-02-23 |
KR20170013910A (ko) | 2017-02-07 |
JP2017517892A (ja) | 2017-06-29 |
US11393949B2 (en) | 2022-07-19 |
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