JP2022533788A - 照明配置構造体、光誘導配置構造体およびそれらに関する方法 - Google Patents
照明配置構造体、光誘導配置構造体およびそれらに関する方法 Download PDFInfo
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Abstract
Description
いくつかの用途では、所望の効果を得るために、表示デバイスで生成された光を適切に誘導し、取り出す必要がある。例えば、ディスプレイやテレビ受像機のサイズがますます大きくなるにつれて、ユーザの位置によっては視野角が異なり、色やコントラストが歪んでしまう可能性がある。他のいくつかの分野では、生成された光ビームを早い段階でコリメートして、別のデバイスに適切に取り込めるようにすることが望ましい。そのため、以下では、湾曲した発光面、すなわちフォービエイテッドディスプレイに基づいたコンセプトが提示される。これに加えて、低い結像誤差が実現されるべきである。
以下の構成は、主に表示デバイスおよびディスプレイ、ひいては光電子構造素子のベースユニットおよびモジュールに関するものである。しかしながら、本発明はこの用途または記載されている構造素子に限定されない。むしろ、ここで紹介した原理および構成は、スケーリング、すなわち同一の構造素子の組み合わせが必要なさまざまな電子機器の用途およびアプリケーションに一般化することができる。
Claims (30)
- 光電子発光配置構造体と、前記光電子発光配置構造体によって生成された電磁放射をビーム変換するための光学デバイスとを備えた、照明配置構造体であって、
前記光電子発光配置構造体は、マトリクス状に配置された複数の発光領域を含んでおり、
各発光領域には1つずつ主ビーム方向が割り当てられており、
前記発光領域の少なくとも一部は、前記発光領域の中心点が湾曲した面上にあるように配置されている、照明配置構造体。 - 前記湾曲した面が凹状の曲面を有している、請求項1記載の照明配置構造体。
- 前記発光領域の主ビーム方向が互いに角度付けられている、請求項1または2記載の照明配置構造体。
- 前記光学デバイスに対して主ビーム方向に間隔を異にするさまざまなレベルで配置された、主ビーム方向が一致する発光領域が存在している、請求項1から3までのいずれか1項記載の照明配置構造体。
- 前記湾曲した面が、球体セグメントを形成し、これに関連する球心が光学デバイスの光軸上にあるか、または
前記湾曲した面が、回転された円錐曲線面、特に楕円面、放物面または双曲面の少なくとも一部の形状を有している、
請求項1から4までのいずれか1項記載の照明配置構造体。 - 前記湾曲した面上に中心点が配置されている前記発光領域が、それぞれランベルトエミッタを形成している、請求項1から5までのいずれか1項記載の照明配置構造体。
- 前記発光領域の少なくとも1つが、LEDに割り当てられた一次光学素子の開口部またはLEDに割り当てられた変換素子の開口部である、請求項1から6までのいずれか1項記載の照明配置構造体。
- 前記湾曲した面上に中心点がある前記発光領域が、モノリシック画素化オプトチップの一部である、請求項1から7までのいずれか1項記載の照明配置構造体。
- 前記モノリシック画素化オプトチップが、行と列とに配置された複数のLEDを有している、請求項8記載の照明配置構造体。
- 前記発光領域が、取り出し構造体の表面を形成している、請求項1から9までのいずれか1項記載の照明配置構造体。
- 非平面的なIC基板上に配置された別々のLEDに、前記湾曲した面上に中心点がある前記発光領域が割り当てられている、請求項1から10までのいずれか1項記載の照明配置構造体。
- 前記光学デバイスがシステム光学系を含み、前記システム光学系と前記発光領域との間に、湾曲したコリメート光学素子または複数の非平面的に配置されたコリメート光学素子が存在している、請求項1から11までのいずれか1項記載の照明配置構造体。
- 前記光学デバイスが、結像投影光学系を形成するシステム光学系を含んでいる、請求項1から12までのいずれか1項記載の照明配置構造体。
- 前記光電子発光配置構造体が、複数の駆動制御素子、特に各発光領域を個別に駆動制御するための電流源を含む層を有している、請求項1から13までのいずれか1項記載の照明配置構造体。
- 照明配置構造体を製造する方法であって、
前記照明配置構造体が、光電子発光配置構造体と前記光電子発光配置構造体によって生成された電磁放射をビーム変換するための光学デバイスとを備え、
前記光電子素子が、マトリクス状に配置された複数の発光領域を含んでいる、方法において、
前記発光領域の少なくとも一部は、前記発光領域の中心点が湾曲した面上にあるように配置される
ことを特徴とする、方法。 - 前記発光領域への当接のために、別個のLEDが非平面的なIC基板上に配置される、請求項15記載の方法。
- 前記発光領域の少なくとも1つが、LEDに割り当てられた一次光学素子の開口部またはLEDに割り当てられた変換素子の開口部によって形成される、請求項15または16記載の方法。
- 表示ディスプレイと投影光学系とを備えた光誘導配置構造体であって、前記表示ディスプレイが、可視光線を放出するための画素を有するマトリクスを有しており、各画素は、発光スペクトルの異なる複数のLEDを含んでおり、各画素には、前記投影光学系の上流側に接続された個別のコリメーション光学系が割り当てられている、光誘導配置構造体において、
前記コリメーション光学系は、前記投影光学系の上流のビーム経路において、それぞれの画素のLEDの拡大され互いに重なり合った中間像が生成されるように形成されている
ことを特徴とする、光誘導配置構造体。 - 前記コリメーション光学系によって生成された前記それぞれの画素の前記LEDの前記中間像は、前記LEDの中間像面積の少なくとも70%、80%または90%にわたって互いに重なり合う、請求項18記載の光誘導配置構造体。
- 前記LEDの中間像が仮想中間像である、請求項18または19記載の光誘導配置構造体。
- 前記コリメーション光学系が、1つの画素のLEDと前記投影光学系との間に配置されている、請求項18から20までのいずれか1項記載の光誘導配置構造体。
- 前記1つの画素のLEDの占有率が、画素面積の50%以下、特に好ましくは35%以下、非常に好ましくは20%以下である、請求項18から21までのいずれか1項記載の光誘導配置構造体。
- 前記LEDが、色変換されたLEDとして、またはVCSELとして、または端面発光レーザーダイオードとして形成されていて、任意に照明される光導波路エンドピースを有している、請求項18から22までのいずれか1項記載の光誘導配置構造体。
- 前記コリメーション光学系は、前記それぞれの画素の前記LEDの互いに重なり合う前記中間像の総面積が、前記画素面積の少なくとも70%、80%または90%に相当するように形成されている、請求項18から23までのいずれか1項記載の光誘導配置構造体。
- 前記コリメーション光学系が、ホログラフィック光学素子(HOE)および/または屈折型光学素子(ROE)および/または回折型光学素子(DOE)を含んでいる、請求項18から24までのいずれか1項記載の光誘導配置構造体。
- 前記投影光学系により発せられた放射が、間接的または直接的にディスプレイへと偏向されている、請求項18から25までのいずれか1項記載の光誘導配置構造体。
- 各画素が先行する請求項に記載のLED配置構造体を有している、請求項18から26までのいずれか1項記載の光誘導配置構造体。
- 前記マトリクスの複数の画素が、前記LEDの上方に配置されたレンズをそれぞれ有している、請求項18から27までのいずれか1項記載の光誘導配置構造体。
- 前記マトリクスの少なくともいくつかの画素が、冗長性を有するLEDを有している、請求項18から28までのいずれか1項記載の光誘導配置構造体。
- ビデオウォールまたはヘッドアップディスプレイにおいて画像を生成するための、請求項18から29までのいずれか1項記載の光誘導配置構造体の使用。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019113793.4 | 2019-05-23 | ||
DE102019113793 | 2019-05-23 | ||
DE102019118082 | 2019-07-04 | ||
DE102019118082.1 | 2019-07-04 | ||
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JP7494215B2 (ja) | 2024-06-03 |
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