JP2011119272A - ロングパス反射体を有する蛍光体による照明システムおよびその作製方法 - Google Patents
ロングパス反射体を有する蛍光体による照明システムおよびその作製方法 Download PDFInfo
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Abstract
【解決手段】光源は第1の光学特性を有する光を放出する。電子放出性物質は第1の光学特性を有する光で照明されると第2の光学特性を有する光を放出する。干渉反射体は第2の光学特性を有する光を実質的に透過するとともに第1の光学特性を有する光を実質的に反射する。
【選択図】図4
Description
20 光源
30 干渉反射体
40 電子放出性物質
Claims (41)
- 第1の光学特性を有する光を放出する光源と、
出力面を有する光導波路と、
前記光源と前記光導波路の前記出力面との間に配置され、前記第1の光学特性を有する光で照明されると第2の光学特性を有する光を放出する電子放出性物質と、
前記電子放出性物質と前記光導波路の前記出力面との間に配置され、前記第2の光学特性を有する光を実質的に透過するとともに前記第1の光学特性を有する光を実質的に反射する干渉反射体とを具備する、照明システム。 - 前記第1の光学特性は第1の波長域を有するとともに、前記第2の光学特性は前記第1の波長域とは異なる第2の波長域を有する、請求項1に記載のシステム。
- 前記第1の波長域はUV光を有する、請求項2に記載のシステム。
- 前記第1の波長域は青色光を有する、請求項2に記載のシステム。
- 前記第2の波長域は可視光を有する、請求項2に記載のシステム。
- 前記光源は少なくとも1つの固体光源を有する、請求項1に記載のシステム。
- 前記少なくとも1つの固体光源は少なくとも1つのLEDを有する、請求項6に記載のシステム。
- 前記光導波路は入力面をさらに有し、前記干渉反射体は前記光導波路の前記入力面に隣接して配置されている、請求項1に記載のシステム。
- 前記システムは前記光源に光学的に結合された光学キャビティをさらに有し、前記光学キャビティは前記第1の光学特性および第2の光学特性のうちの少なくとも一方を有する光を前記電子放出性物質に向けるように構成されている、請求項1に記載のシステム。
- 前記光源は複数のLEDを有し、前記光学キャビティは複数の集光器をさらに有し、前記複数の集光器の各集光器は前記複数のLEDの1つのLEDに光学的に結合されている、請求項9に記載のシステム。
- 前記光源と、前記電子放出性物質と、前記干渉反射体とは、前記光導波路内に配置されている、請求項1に記載のシステム。
- 前記干渉反射体は非平面干渉反射体を有する、請求項11に記載のシステム。
- 前記干渉反射体は凹状干渉反射体である、請求項12に記載のシステム。
- 前記システムは、前記干渉反射体と前記光導波路の入力面との間に配置された少なくとも1つの光学素子をさらに有する、請求項1に記載のシステム。
- 前記少なくとも1つの光学素子は、前記電子放出性物質により放出されるとともに前記光導波路内に向けられる光の角度を制御するように構成されている、請求項14に記載のシステム。
- 前記システムは、前記光源と前記干渉反射体との間に配置された少なくとも1つの光学素子をさらに有する、請求項1に記載のシステム。
- 前記光導波路が楔形状を有する、請求項1に記載のシステム。
- 前記光導波路は前記光導波路の入力面内に複数の窪みを有し、前記光源は複数のLEDを有し、前記各窪みは1つのLEDに対応し、さらに前記電子放出性物質は前記各窪みの表面上に配置されている、請求項1に記載のシステム。
- 前記電子放出性物質は前記光導波路内に分散されている、請求項1に記載のシステム。
- 前記電子放出性物質は接着剤を有する、請求項1に記載のシステム。
- 前記干渉反射体は、UVに露光された時に劣化されにくいポリマー材料を有する、請求項1に記載のシステム。
- 前記干渉反射体は、実質的に無機材料のないポリマー材料を有する、請求項1に記載のシステム。
- 前記電子放出性物質は不連続である、請求項1に記載のシステム。
- 不連続な前記電子放出性物質は電子放出性物質の複数の線である、請求項23に記載のシステム。
- 不連続な前記電子放出性物質は電子放出性物質のパターンである、請求項23に記載のシステム。
- 前記不連続電子放出性物質は電子放出性物質の複数のドットを有する、請求項23に記載のシステム。
- 前記電子放出性物質の複数のドットの各ドットは10000μm2未満の面積を有する、請求項26に記載のシステム。
- 前記電子放出性物質の複数のドットの少なくとも1つのドットは、第1の電子放出性物質を有するとともに、前記電子放出性物質の複数のドットの少なくとも1つの他のドットは第2の電子放出性物質を有する、請求項26に記載のシステム。
- 前記第1の光学特性は第1の波長域を有するとともに、前記第2の光学特性は前記第1の波長域とは異なる第2の波長域を有し、少なくとも第1の蛍光体ドットが前記第2の波長域内の第1のピーク波長を有する光を放出するとともに、少なくとも第2の蛍光体ドットが前記第1のピーク波長とは異なる前記第2の波長域内の第2のピーク波長を有する光を放出する、請求項26に記載のシステム。
- 前記干渉反射体は第1および第2の熱可塑性ポリマーの交互層を有し、さらに前記層の少なくともいくつかが複屈折性である、請求項1に記載のシステム。
- 前記第1の光学特性は第1の波長域を有するとともに、前記第2の光学特性は前記第1の波長域とは異なる第2の波長域を有し、前記電子放出性物質は前記第1の波長域において第1の屈折率を有する、請求項1に記載のシステム。
- 前記システムは、前記干渉反射体と前記電子放出性物質との間で前記電子放出性物質と接しているTIR促進層をさらに有し、さらに前記TIR促進層は、前記第1の波長域において前記第1の屈折率より小さい第2の屈折率を有する、請求項31に記載のシステム。
- 前記TIR促進層は空隙を有する、請求項32に記載のシステム。
- 前記TIR促進層は微細構造化層を有する、請求項32に記載のシステム。
- 請求項1に記載の照明システムを有する灯具。
- 請求項1に記載の照明システムを有する標識。
- 前記電子放出性物質は蛍光体材料を有する、請求項1に記載のシステム。
- 第1の光学特性を有する光を放出する光源を設けるステップと、
前記光源により放出された光を受光するように電子放出性物質を配置するステップと、
前記電子放出性物質が前記光源と干渉反射体との間にあるように干渉反射体を配置するステップと、
前記干渉反射体により透過された光を受光するように光導波路を配置するステップとを有し、
前記電子放出性物質は前記第1の光学特性を有する光で照明されると第2の光学特性を有する光を放出し、
前記干渉反射体は前記第2の光学特性を有する光を実質的に透過するとともに前記第1の光学特性を有する光を実質的に反射し、
前記光導波路は前記干渉反射体により透過された光の少なくとも一部分を前記光導波路の出力面を介して向ける、照明システムの製造方法。 - 第1の光学特性を有する光を放出する光源と、
出力面を有する光導波路と、
前記光源と前記光導波路の前記出力面との間に配置され、第2の光学特性を有する光を実質的に透過するとともに前記第1の光学特性を有する光を実質的に反射する干渉反射体と、
前記光源と前記干渉反射体との間に配置され、前記第1の光学特性を有する光で照明されると前記第2の光学特性を有する光を放出する電子放出性物質とを具備する照明システムと、
前記照明システムに光学的に結合され、前記照明システムからの光の少なくとも一部分を変調するように動作可能な複数の制御可能要素を有する空間光変調器とを具備する、ディスプレイ。 - 前記空間光変調器の前記複数の制御可能要素は可変透過率ディスプレイ要素を有する、請求項39に記載のディスプレイ。
- 電子放出性物質を第1の光学特性を有する光で照明するステップと、
干渉反射体を前記電子放出性物質により放出された光で照明するステップと、
前記干渉反射体により透過された光の少なくとも一部分を所望の場所へ向けるステップとを有し、
前記電子放出性物質は、前記第1の光学特性を有する光で照明されると第2の光学特性を有する光を放出し、
前記干渉反射体は、前記第2の光学特性を有する光を実質的に透過するとともに前記第1の光学特性を有する光を実質的に反射する、照明を所望の場所に提供する方法。
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KR101318582B1 (ko) | 2013-10-15 |
JP5416150B2 (ja) | 2014-02-12 |
TW200624718A (en) | 2006-07-16 |
US7350953B2 (en) | 2008-04-01 |
US20070189035A1 (en) | 2007-08-16 |
US7255469B2 (en) | 2007-08-14 |
US20070274098A1 (en) | 2007-11-29 |
JP4750788B2 (ja) | 2011-08-17 |
EP1776542A1 (en) | 2007-04-25 |
EP1776542B1 (en) | 2018-01-24 |
TWI370220B (en) | 2012-08-11 |
US20060002101A1 (en) | 2006-01-05 |
CN101307870A (zh) | 2008-11-19 |
CN1981156A (zh) | 2007-06-13 |
US7497608B2 (en) | 2009-03-03 |
KR20070033008A (ko) | 2007-03-23 |
KR20120023853A (ko) | 2012-03-13 |
WO2006007301A1 (en) | 2006-01-19 |
JP2008505444A (ja) | 2008-02-21 |
CN101307870B (zh) | 2011-02-09 |
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