JP2018528601A - 発光装置およびその流体製造 - Google Patents
発光装置およびその流体製造 Download PDFInfo
- Publication number
- JP2018528601A JP2018528601A JP2017567088A JP2017567088A JP2018528601A JP 2018528601 A JP2018528601 A JP 2018528601A JP 2017567088 A JP2017567088 A JP 2017567088A JP 2017567088 A JP2017567088 A JP 2017567088A JP 2018528601 A JP2018528601 A JP 2018528601A
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- Prior art keywords
- light emitting
- opening
- emitting device
- micro
- micro led
- Prior art date
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- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 6
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
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- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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Classifications
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Abstract
【解決手段】本発明は、発光素子およびその製造方法が提供される。一実施例によれば、凹部(30)を有する基板(20)、および基板上に位置する層間誘電体層(40)を含む発光装置を提供する。前記層間誘電体層(40)は、第1開口部(22)および第2開口部(24)を有し、前記第1開口部(22)は基板の凹部(30)の上方に設置される。前記発光装置はさらに第1マイクロLED(12)および第2マイクロLED(14)を含み、第1マイクロLED(12)の厚さが第2マイクロLED(14)の厚さよりも大きい。前記第1マイクロLED(12)および前記第2マイクロLED(14)はそれぞれ前記第1開口部(22)および前記第2開口部(24)に配置されてもよい。
Description
Claims (20)
- 発光素子であって、
凹部を有する基板と、
前記基板上に位置し、前記基板の前記凹部の上方に設置された第1開口部および第2開口部を有する層間誘電体層と、
第1マイクロ発光素子および第2マイクロ発光素子と、を備え、
前記第1マイクロ発光素子の厚さは前記第2マイクロ発光素子の厚さよりも厚く、前記第1マイクロ発光素子は前記第1開口部に配置され、
前記第2マイクロ発光素子は、前記第2開口部内に位置することを特徴とする発光装置。 - 前記層間誘電体層の上表面、前記第1マイクロ発光素子の上表面および前記第2マイクロ発光素子の上表面は、ほぼ同一平面であることを特徴とする請求項1に記載の発光装置。
- 前記発光装置は、さらに
前記層間誘電体層における、前記第2開口部と異なるサイズを有する第3開口部と、
前記第2マイクロ発光素子とはサイズが異なり、前記第3開口部内に位置する第3マイクロ発光素子と、を含むことを特徴とする請求項1に記載の発光装置。 - 前記第2開口部および前記第2マイクロ発光素子それぞれは、前記第3開口部および前記第3マイクロ発光素子よりも1.2倍大きいことを特徴とする請求項3に記載の発光装置。
- 前記第1開口部、前記第2開口部および前記第3開口部は、異なるサイズを有し、前記第1マイクロ発光素子、前記第2マイクロ発光素子および前記第3マイクロ発光素子は異なるサイズを有することを特徴とする請求項3に記載の発光装置。
- 前記第1、第2および第3マイクロ発光素子それぞれは、赤色光、緑色光および青色光を発するために用いられ、その内、前記第1マイクロ発光素子の厚さはそれぞれ前記第2および第3マイクロ発光素子の厚さよりも大きいことを特徴とする請求項5に記載の発光装置。
- 前記第1マイクロ発光素子の上表面の面積は、前記第2マイクロ発光素子の上表面の面積よりも大きく、前記第2マイクロ発光素子の上表面の面積は、また第3マイクロ発光素子の上表面の面積よりも大きいことを特徴とする請求項6に記載の発光装置。
- 前記発光装置は、さらに
前記層間誘電体層における第4開口部と、
青色光を発するための前記第4開口部内に位置する第4マイクロ発光素子と、を含むことを特徴とする請求項6に記載の発光装置。 - 前記基板における凹部の深さは、前記層間誘電体層の厚さとほぼ等しいことを特徴とする請求項1に記載の発光装置。
- 前記基板は、前記凹部の底部に形成され、前記基板の前記凹部に設置された対応する第1開口部と連通する第1貫通孔、および前記凹部の底部に位置決めされてない第2開口部の底部に形成される第2貫通孔を有することを特徴とする請求項1に記載の発光装置。
- 前記発光素子の形状は、発光面の面積が電極の表面よりも大きい、或いは発光面の面積が電極の表面よりも大きい多角形であることを特徴とする請求項1に記載の発光装置。
- 前記基板の凹部は、テーパ状の形状を有することを特徴とする請求項1に記載の発光装置。
- 前記第1および前記第2開口部は、それぞれ対応する前記第1マイクロ発光素子および前記第2マイクロ発光素子よりもわずかに大きいことを特徴とする請求項1に記載の発光装置。
- 発光装置の製造方法であって、
基板上に凹部を形成するステップと、
前記基板上に層間誘電体層を提供するステップと、前記層間誘電体層において前記基板の前記凹部の上方に設置された第1開口部を形成するステップと、
前記層間誘電体層に第2開口部を形成するステップと、
第1流体送達段階において、第1マイクロ発光素子を前記第1開口部内に流体送達するステップと、および
第2流体送達段階において、第2マイクロ発光素子を前記第2開口部に流体送達するステップと、を含むことを特徴とする発光装置の製造方法。 - 前記第1流体送達段階における流体速度は、前記第2流体送達段階における流体速度よりも速いことを特徴とする請求項14に記載の発光装置の製造方法。
- 前記第1流体送達段階の捕捉段階期間において、前記第1流体送達段階の流体速度は、5〜200μm/sの持続速度であることを特徴とする請求項14に記載の発光装置の製造方法。
- 前記第2流体送達段階の捕捉段階期間において、前記第2流体送達段階の流体速度は、5〜200μm/sの持続速度であることを特徴とする請求項14に記載の発光装置の製造方法。
- 前記基板に形成された前記凹部の深さは、前記層間誘電体層における前記第1開口部の厚さとほぼ等しいことを特徴とする請求項14に記載の発光装置の製造方法。
- 前記層間誘電体層に第3開口部が形成されるステップと、
第3流体送達段階において、第3マイクロ発光素子を前記第3開口部に流体送達するステップと、をさらに含むことを特徴とする請求項14に記載の発光装置の製造方法。 - 前記基板内に複数の貫通孔が形成され、各前記貫通孔が、前記層間誘電体層の第1開口部および第2開口部のいずれか一方に対応するステップと、
前記第1流体送達段階または前記第2流体送達段階において、送達流体の一部を貫通孔に取り入れるステップと、を、さらに含むことを特徴とする請求項14に記載の発光装置の製造方法。
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US20210151633A1 (en) | 2021-05-20 |
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US10930819B2 (en) | 2021-02-23 |
US10230020B2 (en) | 2019-03-12 |
KR102042178B1 (ko) | 2019-11-07 |
US9722145B2 (en) | 2017-08-01 |
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US11721792B2 (en) | 2023-08-08 |
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CN108028169B (zh) | 2021-11-30 |
US20160380158A1 (en) | 2016-12-29 |
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KR20190111151A (ko) | 2019-10-01 |
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