JP2006099087A - マルチステート干渉性光変調のための方法および装置 - Google Patents
マルチステート干渉性光変調のための方法および装置 Download PDFInfo
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- G—PHYSICS
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- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/001—Optical devices or arrangements for the control of light using movable or deformable optical elements based on interference in an adjustable optical cavity
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- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
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- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
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Abstract
【解決手段】マルチステート光変調器は第1の反射器を含む。第1の電極が第1の反射器から間隔を置いて配置される。第2の電極が第1の反射器と第1の電極との間に配置される。第2の反射器はそれぞれが第1の反射器から対応する間隔を有する非駆動位置、第1の駆動位置、そして第2の駆動位置の間を移動可能である。1つの実施の形態において、この3つの位置は、白色光の反射、非-反射、そして選択された色の光の反射に対応する。他の実施の形態は光変調器を製作する方法である。他の実施の形態はこの光変調器を含む表示装置である。
【選択図】 図1
Description
干渉性変調器12を使用する表示装置の設計において、変調器12は反射する光の色飽和度(color saturation)を増加するように形成することができる。飽和度は着色光(color light)の色相(hue)の強度に関係する。大きく飽和した色相は鮮やかな高輝度の色を有し、一方より小さく飽和した色相はより弱められそして灰色に見える。例えば、非常に狭い範囲の波長を生成するレーザは大きく飽和した光を生成する。反対に、典型的な白熱光電球は不飽和の赤および青色を有し得る白色光を生成する。1つの実施の形態において、変調器12は反射される着色光の飽和度を増加するために、高次の干渉、例えば2次または3次、に対応する間隔Lを有するように形成される。
Claims (39)
- 第1の反射器と、
第1の反射器から間隔を置いて位置する第1の電極と、そして
第1の反射器と第1の電極との間に位置する第2の反射器とを含み、第2の反射器は非駆動位置、第1の駆動位置、そして第2の駆動位置の間で移動可能であり、第1の駆動位置は非駆動位置よりも第1の反射器に近接しており、そして第2の駆動位置は非駆動位置よりも第1の反射器からから離れている
装置。 - 第1の反射器は少なくとも部分的に透明である請求項1記載の装置。
- 第1の反射器は反射性材料の少なくとも1つの層を含む請求項1記載の装置。
- 第1の反射器は第2の電極を含み、そして第2の反射器は第3の電極を含む請求項1記載の装置。
- 第2および第3の電極はそれぞれ導電性材料の層を含む請求項4記載の装置。
- 第2の反射器は第2の電極および第3の電極の間に適用される電位差に対応して第1の駆動位置に移動する請求項4記載の装置。
- 第2の反射器が第1の駆動位置にある場合、変調器は白色光を反射する請求項6記載の装置。
- 第2の反射器は第1の電極と第3の電極との間に適用される電位差に対応して第2の駆動位置に移動する請求項4記載の装置。
- 第2の反射器が第2の駆動位置にある場合、変調器は色と関連する可視波長の範囲の光を選択的に反射する請求項8記載の装置。
- 第2の反射器が非駆動位置にある場合、変調器は入射する可視光を実質的に吸収する請求項1記載の装置。
- 画像データを処理するように構成され、第1の電極、第1の反射器そして第2の反射器の少なくとも1つと電気的に通信するプロセッサと、そして
該プロセッサと電気的に通信する記憶装置とを
さらに含む請求項1記載の装置。 - 第1の電極、第1の反射器そして第2の反射器の少なくとも1つに少なくとも1つの信号を送信するように構成された駆動回路をさらに含む請求項11記載の装置。
- 駆動回路に少なくとも画像データの一部を送信するように構成された制御器をさらに含む請求項12記載の装置。
- 画像データをプロセッサに送信するように構成された画像ソースモジュールをさらに含む請求項11記載の装置。
- 画像ソースモジュールは受信機、送受信機、および送信器の少なくとも1つを含む請求項14記載の装置。
- 入力データを受信しそして入力データをプロセッサに通信するように構成された入力装置をさらに含む請求項11記載の装置。
- 光変調装置であって、
光を反射する第1の手段と、
光を反射する第2の手段と、なお該第2の反射手段は非駆動位置、非駆動位置の第1の側部、そして非駆動位置の第2の側部のうちの1つに位置するように構成されており、そして
該第2の反射手段を、非駆動位置、非駆動位置の第1の側部の第1の位置、そして非駆動位置の第2の側部の第2の位置の1つに位置付ける手段と、
を含む光変調装置。 - 第1および第2の反射手段はそれぞれ反射性の層を含む請求項17記載の装置。
- 位置付ける手段は電極を含む請求項17記載の装置。
- 位置付ける手段は2つの電極を含む請求項17記載の装置。
- 位置付ける手段は3つまたはそれより多い電極を含む請求項17記載の装置。
- 第1および第2の反射手段はそれぞれ位置付ける手段を含む請求項17記載の装置。
- 位置付ける手段は電極を含む請求項22記載の装置。
- 位置付ける手段を動作させる手段をさらに含む請求項17記載の装置。
- 該動作させる手段は駆動回路を含む請求項24記載の装置。
- 第2の反射手段は、非駆動位置の第1の側部に位置する場合に、白色光または色を有する可視波長の範囲を反射するように構成されている請求項17記載の装置。
- 第2の反射手段は、非駆動位置に位置付けされた場合に、光を実質的に吸収するように構成されている請求項17記載の装置。
- 第1の反射手段は部分的に透明であるように構成されている請求項17記載の装置。
- 第1の反射手段は少なくとも1つの反射性材料の層を含む請求項17記載の装置。
- 請求項17記載の変調器を含む表示装置。
- 第1の電極、第2の電極、そして第1の電極と第2の電極の間に位置づけられ、そして少なくとも3つの位置の間で移動するように構成された移動可能な電極を含むMEMS装置を駆動する方法であって、この方法は
移動可能な電極を第1の電極の方に駆動するように第1の電極と移動可能な電極との間に第1の電位差を適用し、
なお、移動可能な電極と第1の電極との間に第1の引力が生成され、そして
移動可能な電極を第1の電極から離しそして第2の電極の方に駆動するように、第1の電極と移動可能な電極との間に第2の電位差を、そして第2の電極と移動可能な電極との間に第3の電位差を適用するステップを含み、
なお、第2の電位差の適用は移動可能な電極と第1の電極との間に第2の引力を生成し、第3の電位差の適用は移動可能な電極と第2の電極との間に第3の引力を生成し、そして第3の引力は第2の引力よりも大きい、
方法。 - 引力は静止摩擦力を含む請求項31記載の方法。
- 第1の電位差の適用は白色光を反射することをさらに含む請求項31記載の方法。
- 第2および第3の電位差の適用は着色光を反射することをさらに含む請求項31記載の方法。
- 第1の電極と移動可能な電極との間に第1のしきい値以下の第1の電位差の適用、そして第2の電極と移動可能な電極との間に第2のしきい値以下の第2の電位差の適用は、入射光の実質的な吸収を含む請求項31記載の方法。
- マルチステート光変調器を製造する方法であって、この方法は、
第1の反射器を形成し、
第1の反射器から間隔を置いて位置する第1の電極を形成し、そして
第1の反射器と第1の電極との間に位置する第2の反射器を形成すステップを含み、第2の反射器は非駆動位置、第1の駆動位置、そして第2の駆動位置の間で移動可能であり、
なお、第1の駆動位置は非駆動位置よりも第1の反射器に近接しており、第2の駆動位置は非駆動位置よりも第1の反射器から離れている
方法。 - 第1の反射器を形成することは第2の電極を形成することを含み、そして第2の反射器を形成することは第3の電極を形成することを含む請求項36記載の方法。
- 第2の電極および第3の電極をそれぞれの形成することは導電性材料の層を形成することを含む請求項37記載の方法。
- 請求項36記載の方法によって製造される光変調器。
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US61349904P | 2004-09-27 | 2004-09-27 | |
US61348604P | 2004-09-27 | 2004-09-27 | |
US11/112,734 US7372613B2 (en) | 2004-09-27 | 2005-04-22 | Method and device for multistate interferometric light modulation |
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US7839557B2 (en) | 2010-11-23 |
CA2518784A1 (en) | 2006-03-27 |
KR101263740B1 (ko) | 2013-05-14 |
US8970939B2 (en) | 2015-03-03 |
SG155950A1 (en) | 2009-10-29 |
KR101173197B1 (ko) | 2012-08-13 |
KR20120016600A (ko) | 2012-02-24 |
EP2642328A1 (en) | 2013-09-25 |
US20080247028A1 (en) | 2008-10-09 |
KR101276274B1 (ko) | 2013-06-25 |
BRPI0503858A (pt) | 2006-05-16 |
TW201329507A (zh) | 2013-07-16 |
US20110044496A1 (en) | 2011-02-24 |
US20060077508A1 (en) | 2006-04-13 |
AU2005203726A1 (en) | 2006-04-13 |
KR20120090016A (ko) | 2012-08-16 |
KR101232206B1 (ko) | 2013-02-18 |
EP1640763A1 (en) | 2006-03-29 |
KR20060092888A (ko) | 2006-08-23 |
TW200624858A (en) | 2006-07-16 |
US7372613B2 (en) | 2008-05-13 |
JP4550693B2 (ja) | 2010-09-22 |
US20120139976A1 (en) | 2012-06-07 |
MXPA05010237A (es) | 2006-03-29 |
SG121119A1 (en) | 2006-04-26 |
TWI414820B (zh) | 2013-11-11 |
HK1087784A1 (en) | 2006-10-20 |
US8213075B2 (en) | 2012-07-03 |
KR20130000363A (ko) | 2013-01-02 |
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