JP6942097B2 - 表示装置、表示装置の製造方法、及びピクセルヘッドライト - Google Patents
表示装置、表示装置の製造方法、及びピクセルヘッドライト Download PDFInfo
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Description
本特許出願は、独国特許出願第102011056888.3号の優先権を主張し、この文書の開示内容は参照によって本明細書に組み込まれている。
Claims (16)
- 表示装置(1)であって、
放射を生成する目的で設けられている活性領域(20)を有し、かつ複数のピクセル(2a,2b)を形成している半導体積層体(2)と、
キャリア(5)と、
を備えており、
− 前記活性領域(20)が、第1の半導体層(21)と第2の半導体層(22)との間に配置されており、
− 前記半導体積層体(2)が少なくとも1つの凹部(25)を備えており、前記凹部(25)が、前記キャリア(5)の側の前記半導体積層体(2)の主面(27)から、前記活性領域(20)を貫いて、前記第1の半導体層(21)の中に達しており、前記第1の半導体層(21)に電気的に接触する目的で設けられており、
− 前記キャリア(5)が、それぞれが少なくとも1つのピクセル(2a,2b)を制御する目的で設けられている複数のスイッチ(51)を備えており、
− 当該表示装置(1)は、ピクセルヘッドライト用に設計されており、
− 前記第1の半導体層は、それぞれがピクセルを形成する複数のセグメントに分離されており、
− 隣り合うピクセルの間の細分割は、前記第1の半導体層内のみに形成され、且つ、前記活性領域を分割しない溝によって構成されており、
− 前記少なくとも1つの凹部(25)において前記第1の半導体層(21)に導電接続されている第1の接続層(31)と、前記第2の半導体層(22)の一部分に導電接続されている第2の接続層(32)とが、前記半導体積層体(2)と前記キャリア(5)との間に配置されており、
− 少なくとも1つのセグメントの側面(201)が、前記表示装置(1)の放射出口面(29)に平行に、または実質的に平行に延在する突起部(251)を備えており、前記突起部(251)において前記第1の半導体層(21)が、前記第1の接続層(31)に電気的に接触されている、
表示装置。 - 前記半導体積層体の成長基板(28)が除去されており、前記キャリアが前記半導体積層体を機械的に安定化させる、
請求項1に記載の表示装置。 - 前記表示装置の上からの平面視において、前記第1の接続層と前記第2の接続層とが重なっている、
請求項1または2に記載の表示装置。 - 前記第1の接続層若しくは前記第2の接続層又はこれらの少なくとも一層は、動作時に前記活性領域(20)において生成される放射に対して反射性を有する、
請求項1から3のいずれかに記載の表示装置。 - 前記第1の接続層が、前記ピクセルの前記第1の半導体層の共通の電気コンタクトを形成しており、前記ピクセルの前記第2の半導体層それぞれが、前記第2の接続層によって前記スイッチの1つに導電接続されている、またはこの逆である、
請求項1から4のいずれかに記載の表示装置。 - 前記活性領域が複数のピクセルにわたり連続的に延在しており、
前記活性領域は前記少なくとも一つの凹部(25)によって穿孔されている、
請求項1から請求項5のいずれかに記載の表示装置。 - 前記第1の半導体層は、それぞれがピクセルを形成する複数のセグメントに分離されており、
隣り合うピクセルの間の細分割は、前記第1の半導体層内のみに形成され、且つ、前記活性領域を分割しない溝によって構成されている、
請求項6に記載の表示装置。 - 前記スイッチが、一方の側において前記ピクセルの前記第1の半導体層に導電接続されており、もう一方の側において前記ピクセルの前記第2の半導体層に導電接続されている、
請求項1から7のいずれか一項に記載の表示装置。 - 前記少なくとも1つの凹部が、セグメントの周囲の少なくとも一部分に沿って延在している、
請求項1から8のいずれか一項に記載の表示装置。 - 前記キャリアとは反対側の前記半導体積層体の面に、放射変換要素(6)が配置されている、
請求項1から請求項9のいずれかに記載の表示装置。 - 前記放射変換要素が、複数のピクセルにわたり連続的に延在している、
請求項10に記載の表示装置。 - 前記放射変換要素が複数のセグメント(6a,6b)を備えており、前記複数のセグメント(6a,6b)それぞれに少なくとも1つのピクセルが関連付けられている、
請求項10に記載の表示装置。 - − 前記活性領域(20)は、可視スペクトル領域、紫外スペクトル領域、または赤外スペクトル領域における放射を生成する目的で設けられ、
− 前記キャリアは、シリコンキャリアであり、
− 前記スイッチは、トランジスタまたは複数のトランジスタ、およびキャパシタを有する回路であり、
− 二つの前記スイッチは、個々のピクセルに関連付けられており、
− 隣り合う複数のピクセルは、共通の凹部を備えている、
請求項1から請求項12のいずれかに記載の表示装置。 - − 前記表示装置は、アダプティブフロントライティングシステム用に設計されており、
− ピクセルの縁部長さは、20μm〜150μmの範囲内(両端値を含む)である、
請求項1から請求項13のいずれかに記載の表示装置。 - 複数のピクセル(2a,2b)を有するピクセルヘッドライト用の表示装置(1)を製造する方法であって、
a) 放射を生成する目的で設けられる活性領域(20)を備えた半導体積層体(2)を形成するステップと、
b) 各ピクセル(2a,2b)のためのランド(35)を前記半導体積層体(2)の上に形成するステップと、
c) 複数のスイッチ(51)を有するキャリア(5)を形成するステップと、
d) ランド(35)が各スイッチ(51)に関連付けられるように、前記半導体積層体(2)を前記キャリア(5)に対して位置決めするステップと、
e) 前記ランド(35)と前記スイッチ(51)の間に導電接続を形成するステップと、
f) 前記半導体積層体(2)の成長基板(28)を除去するステップと、
を有し、
− 前記活性領域(20)が、第1の半導体層(21)と第2の半導体層(22)との間に配置されており、
− 前記第1の半導体層は、それぞれがピクセルを形成する複数のセグメントに分離されており、
− 隣り合うピクセルの間の細分割は、前記第1の半導体層内のみに形成され、且つ、前記活性領域を分割しない溝によって構成されており、
− 少なくとも1つの凹部(25)において前記第1の半導体層(21)に導電接続されている第1の接続層(31)と、前記第2の半導体層(22)の一部分に導電接続されている第2の接続層(32)とが、前記半導体積層体(2)と前記キャリア(5)との間に配置されており、
− 少なくとも1つのセグメントの側面(201)が、前記表示装置(1)の放射出口面(29)に平行に、または実質的に平行に延在する突起部(251)を備えており、前記突起部(251)において前記第1の半導体層(21)が、前記第1の接続層(31)に電気的に接触されている、
方法。 - ピクセルヘッドライトであって、
放射を生成する目的で設けられている活性領域(20)を有し、かつ複数のピクセル(2a,2b)を形成している半導体積層体(2)と、
キャリア(5)と、
を備えており、
− 前記活性領域(20)が、第1の半導体層(21)と第2の半導体層(22)との間に配置されており、
− 前記半導体積層体(2)が少なくとも1つの凹部(25)を備えており、前記凹部(25)が、前記キャリア(5)の側の前記半導体積層体(2)の主面(27)から、前記活性領域(20)を貫いて、前記第1の半導体層(21)の中に達しており、前記第1の半導体層(21)に電気的に接触する目的で設けられており、
− 前記キャリア(5)が、それぞれが少なくとも1つのピクセル(2a,2b)を制御する目的で設けられている複数のスイッチ(51)を備えており、
− 前記第1の半導体層は、それぞれがピクセルを形成する複数のセグメントに分離されており、
− 隣り合うピクセルの間の細分割は、前記第1の半導体層内のみに形成され、且つ、前記活性領域を分割しない溝によって構成されており、
− 前記少なくとも1つの凹部(25)において前記第1の半導体層(21)に導電接続されている第1の接続層(31)と、前記第2の半導体層(22)の一部分に導電接続されている第2の接続層(32)とが、前記半導体積層体(2)と前記キャリア(5)との間に配置されており、
− 少なくとも1つのセグメントの側面(201)が、前記ピクセルヘッドライトの放射出口面(29)に平行に、または実質的に平行に延在する突起部(251)を備えており、前記突起部(251)において前記第1の半導体層(21)が、前記第1の接続層(31)に電気的に接触されている、
ピクセルヘッドライト。
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2011
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2012
- 2012-12-11 DE DE112012005357.5T patent/DE112012005357B4/de active Active
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- 2012-12-11 CN CN201710590343.1A patent/CN107464822B/zh active Active
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US20160247855A1 (en) | 2016-08-25 |
CN107464822A (zh) | 2017-12-12 |
DE102011056888A1 (de) | 2013-06-27 |
US20170352700A1 (en) | 2017-12-07 |
US10461120B2 (en) | 2019-10-29 |
US9362335B2 (en) | 2016-06-07 |
DE112012005357A5 (de) | 2014-08-28 |
JP6072824B2 (ja) | 2017-02-01 |
CN107464822B (zh) | 2022-03-15 |
KR20140116382A (ko) | 2014-10-02 |
CN104011864A (zh) | 2014-08-27 |
US9748309B2 (en) | 2017-08-29 |
JP2015501085A (ja) | 2015-01-08 |
DE112012005357B4 (de) | 2023-05-04 |
US20150014716A1 (en) | 2015-01-15 |
JP2018207114A (ja) | 2018-12-27 |
CN104011864B (zh) | 2017-08-15 |
JP2017098568A (ja) | 2017-06-01 |
WO2013092304A1 (de) | 2013-06-27 |
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