JP5065487B2 - 機械的および電気的機能から分離された光学的機能を備えた微小電気機械デバイス - Google Patents
機械的および電気的機能から分離された光学的機能を備えた微小電気機械デバイス 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
- B81B3/0064—Constitution or structural means for improving or controlling the physical properties of a device
- B81B3/0083—Optical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/04—Optical MEMS
- B81B2201/047—Optical MEMS not provided for in B81B2201/042 - B81B2201/045
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/904—Micromirror
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Micromachines (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
14、14a、14b 可動反射層(金属材料の条片、反射エレメント)
16、16a、16b 光学スタック(行電極)
18、18a ポスト(サポート、サポート構造)
19 ギャップ
20 基板
21 プロセッサ(システムプロセッサ)
22 アレイドライバ
24 行ドライバ回路
26 列ドライバ回路
27 ネットワークインタフェース
28 フレームバッファ
29 ドライバコントローラ
30 パネル(ディスプレイ、ディスプレイアレイ)
32 テザー
34 変形可能層
40 ディスプレイデバイス
41 ハウジング
42 サポートポストプラグ
43 アンテナ
44 バス構造
45 スピーカ
46 マイクロホン
47 トランシーバ
48 入力デバイス
50 電源
52 条件付けハードウェア
82 駆動電極
84 接続エレメント
86、87、162 絶縁層(絶縁体、第1の絶縁層)
88 基板の頂部表面
92 反射エレメントの反射表面
94 第1の反射層
96 変形可能層が偏向する方向(反射エレメントが移動する方向)
140、150 構造
142 犠牲層(第1の犠牲層)
152 ブラックマスク
164 第2の駆動電極
166 任意選択の絶縁層
168 変形可能層が撓む方向
800 MEMSデバイス
810 可動エレメント
814 反射エレメント
1102 変形可能層の垂直方向に隆起した部分
1700 MEMS構造
1702 第2の犠牲層
Claims (32)
- 基板と、
前記基板の上方の可動エレメントであって、導電性変形可能層および前記変形可能層に結合された反射エレメントを備え、前記反射エレメントが前記変形可能層から間隔を隔てた完全な反射表面を備え、前記完全な反射表面が前記完全な反射表面に概ね平行の方向に沿って前記変形可能層から間隔を隔てた可動エレメントと、
前記変形可能層の少なくとも一部の下方の、前記完全な反射表面から横方向に配置された駆動電極とを備え、前記可動エレメントが、前記駆動電極と前記変形可能層の間に印加される電圧差に応答して前記基板に向かう方向に、あるいは前記基板から遠ざかる方向に移動するように構成された電気機械デバイス。 - 前記デバイスの固定部分が前記可動エレメントの運動の停止として作用するように構成された、請求項1に記載のデバイス。
- 前記可動エレメントが、前記駆動電極と前記変形可能層の間に印加される前記電圧差に応答して、前記可動エレメントの一部が前記固定部分と接触していない第1の位置から、前記部分が前記固定部分と接触する第2の位置へ移動するように構成された、請求項2に記載のデバイス。
- 前記反射エレメントが前記変形可能層の頂部表面に機械的に結合された、請求項1に記載のデバイス。
- 前記反射エレメントが前記変形可能層の底部表面に機械的に結合された、請求項1に記載のデバイス。
- 前記可動エレメントが少なくとも1つの接続エレメントをさらに備え、前記少なくとも1つの接続エレメントが前記反射エレメントを前記変形可能層に機械的に結合している、請求項1に記載のデバイス。
- 第1の接続エレメントが前記反射エレメントの第1の縁に機械的に結合され、また、第2の接続エレメントが前記反射エレメントの第2の縁に機械的に結合され、前記第1の縁が実質的に前記第2の縁の反対側に位置している、請求項6に記載のデバイス。
- 前記反射エレメントが複数の縁を有し、前記少なくとも1つの接続エレメントが前記反射エレメントの個々の縁を前記変形可能層に機械的に結合している、請求項6に記載のデバイス。
- 前記少なくとも1つの接続エレメントが、前記反射エレメントから展開している少なくとも1つの突起を備えた、請求項6に記載のデバイス。
- 前記駆動電極と前記変形可能層の間に駆動電圧差が印加されても前記完全な反射表面と前記基板の頂部表面が接触しない、請求項1に記載のデバイス。
- 前記完全な反射表面と前記基板の頂部表面の間の距離の方が前記変形可能層と前記基板の前記頂部表面の間の距離より長い、請求項1に記載のデバイス。
- 前記変形可能層と前記基板の頂部表面の間の距離の方が前記完全な反射表面と前記基板の前記頂部表面の間の距離より長い、請求項1に記載のデバイス。
- 前記デバイスの前記固定部分が前記基板の頂部表面を備えた、請求項2に記載のデバイス。
- 前記デバイスの前記固定部分が前記駆動電極の頂部表面を備えた、請求項2に記載のデバイス。
- 前記デバイスの前記固定部分が前記駆動電極と前記変形可能層の間の絶縁層の頂部表面を備えた、請求項2に記載のデバイス。
- 前記駆動電極と前記変形可能層の間に電圧差を印加することによって前記変形可能層が変位し、かつ、前記完全な反射表面が変位し、前記変形可能層の前記変位が前記完全な反射表面の前記変位に対して平行であり、前記変形可能層の前記変位の平面が前記完全な反射表面の前記変位の平面とは異なる、請求項1に記載のデバイス。
- 前記可動エレメントの上方に他の駆動電極をさらに備え、前記可動エレメントが、前記基板から遠ざかる方向に移動することによって、前記他の駆動電極と前記可動エレメントの間に印加される電圧差に応答するように構成された、請求項1に記載のデバイス。
- 前記他の駆動電極と前記可動エレメントの間に絶縁層をさらに備えた、請求項17に記載のデバイス。
- 前記絶縁層が前記可動エレメントの上部表面に形成された、請求項18に記載のデバイス。
- 前記絶縁層が前記他の駆動電極の下部表面に形成された、請求項18に記載のデバイス。
- ディスプレイと、
前記ディスプレイと通信するように構成されたプロセッサであって、イメージデータを処理するように構成されたプロセッサと、
前記プロセッサと通信するように構成されたメモリデバイスと
をさらに備えた、請求項1に記載のデバイス。 - 前記ディスプレイに少なくとも1つの信号を送信するように構成されたドライバ回路をさらに備えた、請求項21に記載のデバイス。
- 前記ドライバ回路に前記イメージデータの少なくとも一部を送信するように構成されたコントローラをさらに備えた、請求項22に記載のデバイス。
- 前記プロセッサに前記イメージデータを送信するように構成されたイメージソースモジュールをさらに備えた、請求項21に記載のデバイス。
- 前記イメージソースモジュールが、レシーバ、トランシーバおよびトランスミッタのうちの少なくとも1つを備えた、請求項24に記載のデバイス。
- 入力データを受け取り、かつ、前記入力データを前記プロセッサに伝達するように構成された入力デバイスをさらに備えた、請求項21に記載のデバイス。
- 前記基板が少なくとも部分的に透明である、請求項1に記載のデバイス。
- 前記反射エレメントが、第1の位置で第1の色を反射し、また、第2の位置で第2の色を反射するように構成された、請求項1に記載のデバイス。
- 前記反射エレメントが完全に反射型である、請求項1に記載のデバイス。
- 電気機械デバイスを製造する方法であって、
基板の上方に駆動電極を形成するステップと、
前記駆動電極の上方に犠牲層を形成するステップと、
前記犠牲層の上方に導電性変形可能層を形成するステップであって、前記駆動電極が前記変形可能層の少なくとも一部の下方に位置するステップと、
前記犠牲層の上方に、前記変形可能層に機械的に結合された反射エレメントを形成するステップであって、前記反射エレメントが前記駆動電極から横方向に配置された完全な反射表面を備え、前記反射表面が前記完全な反射表面に概ね平行の方向に沿って前記変形可能層から間隔を隔てるステップと、
前記犠牲層を除去するステップであって、前記犠牲層が除去された後、前記変形可能層および前記反射エレメントを備えた可動エレメントが形成され、前記可動エレメントが、前記駆動電極と前記変形可能層の間に印加される電圧差に応答して、前記基板に向かう方向または前記基板から遠ざかる方向に移動するように構成されるステップと
を含む方法。 - 請求項30に記載の方法によって製造されたデバイス。
- 光を変調する方法であって、
基板、前記基板の上方の可動エレメントおよび駆動電極を備えたディスプレイエレメントを提供するステップであって、前記可動エレメントが導電性変形可能層および反射エレメントを備え、前記反射エレメントが前記変形可能層に機械的に結合され、前記反射エレメントが完全な反射表面を備え、前記完全な反射表面が前記完全な反射表面に概ね平行の方向に沿って前記変形可能層から間隔を隔て、前記駆動電極が前記変形可能層の少なくとも一部の下方に位置し、かつ、前記完全な反射表面から横方向に配置されるステップと、
前記駆動電極と前記変形可能層の間に電圧差を印加するステップであって、前記電圧差によって前記可動エレメントを前記基板に向かって、あるいは前記基板から遠ざかる方向に移動させる引力が前記変形可能層に生成されるステップと
を含む方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/772,751 | 2007-07-02 | ||
US11/772,751 US7630121B2 (en) | 2007-07-02 | 2007-07-02 | Electromechanical device with optical function separated from mechanical and electrical function |
EP08153252.5 | 2008-03-25 | ||
EP08153252A EP2012168A3 (en) | 2007-07-02 | 2008-03-25 | Microelectromechanical device with optical function separated from mechanical and electrical function |
PCT/US2008/068061 WO2009006118A2 (en) | 2007-07-02 | 2008-06-24 | Microelectromechanical device with optical function separated from mechanical and electrical function |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2012137592A Division JP2012212158A (ja) | 2007-07-02 | 2012-06-19 | 機械的および電気的機能から分離された光学的機能を備えた微小電気機械デバイス |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012212158A (ja) * | 2007-07-02 | 2012-11-01 | Qualcomm Mems Technologies Inc | 機械的および電気的機能から分離された光学的機能を備えた微小電気機械デバイス |
JP2012212159A (ja) * | 2007-07-02 | 2012-11-01 | Qualcomm Mems Technologies Inc | 機械的および電気的機能から分離された光学的機能を備えた微小電気機械デバイス |
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JP2012212158A (ja) | 2012-11-01 |
CA2691674A1 (en) | 2009-01-08 |
US8368997B2 (en) | 2013-02-05 |
EP2442169A2 (en) | 2012-04-18 |
EP2442168A3 (en) | 2012-08-29 |
WO2009006118A2 (en) | 2009-01-08 |
US20110170168A1 (en) | 2011-07-14 |
EP2012168A2 (en) | 2009-01-07 |
US7920319B2 (en) | 2011-04-05 |
BRPI0813296A2 (pt) | 2014-12-30 |
CN102393563A (zh) | 2012-03-28 |
TWI402536B (zh) | 2013-07-21 |
EP2442168A2 (en) | 2012-04-18 |
US20100085625A1 (en) | 2010-04-08 |
US20090009845A1 (en) | 2009-01-08 |
CN102393562A (zh) | 2012-03-28 |
TW200909853A (en) | 2009-03-01 |
WO2009006118A3 (en) | 2009-05-14 |
RU2475789C2 (ru) | 2013-02-20 |
US7630121B2 (en) | 2009-12-08 |
TW201135281A (en) | 2011-10-16 |
RU2009145292A (ru) | 2011-08-10 |
CN101688975A (zh) | 2010-03-31 |
KR20100038406A (ko) | 2010-04-14 |
CN101688975B (zh) | 2012-02-01 |
JP2012212159A (ja) | 2012-11-01 |
EP2442169A3 (en) | 2012-08-29 |
JP2010532498A (ja) | 2010-10-07 |
EP2012168A3 (en) | 2009-04-22 |
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