JP6051422B2 - Memsアンカー及びスペーサ構造 - Google Patents
Memsアンカー及びスペーサ構造 Download PDFInfo
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- JP6051422B2 JP6051422B2 JP2014511587A JP2014511587A JP6051422B2 JP 6051422 B2 JP6051422 B2 JP 6051422B2 JP 2014511587 A JP2014511587 A JP 2014511587A JP 2014511587 A JP2014511587 A JP 2014511587A JP 6051422 B2 JP6051422 B2 JP 6051422B2
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
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Description
102a〜102d 光変調器
104 画像
106 画素
108 シャッタ
109 アパーチャ
110 書き込み許可相互接続
112 データ相互接続
114 共通相互接続
120 光変調器
122 ホストプロセッサ
124 環境センサ
126 ユーザー入力モジュール
128 ディスプレイ装置
130 走査ドライバ
132 データドライバ
134 コントローラ
138 共通ドライバ
140〜146 ランプ
148 ランプドライバ
200 シャッタベースの光変調器
202 シャッタ
203 基板
204 アクチュエータ
205 電極ビームアクチュエータ
206 ロードビーム
207 バネ
208 ロードアンカー
211 アパーチャ孔
216 駆動ビーム
218 駆動ビームアンカー
220 巻回アクチュエータベースの光変調器
222 可動電極
224 絶縁層
226 平面電極
228 基板
230 固定端
232 可動端
250 非シャッタベースのMEMS光変調器
252 光
254 光ガイド
256 タップ要素
258 ビーム
260 電極
262 対向電極
270 エレクトロウェッティングベースの光変調アレイ
272a〜d 光変調セル
274 光学キャビティ
278 水の層
280 光吸収性オイルの層
282 透明電極
284 絶縁層
286 反射性アパーチャ層
288 光ガイド
290 第2の反射層
291 光再偏向部
292 光源
294 光
300 制御マトリックス
301 画素
302 弾性シャッタアセンブリ
303 アクチュエータ
304 基板
306 走査ライン相互接続
307 書き込み許可電圧源
308 データ相互接続
309 データ電圧源
310 トランジスタ
312 キャパシタ
320 アレイ
322 アパーチャ層
324 アパーチャ
400 デュアルアクチュエータシャッタアセンブリ
402 アクチュエータ
404 アクチュエータ
406 シャッタ
407 アパーチャ層
408 アンカー
409 アパーチャ
412 シャッタアパーチャ
416 重畳部
500 ディスプレイ装置
502 シャッタベースの光変調器
503 シャッタ
504 基板
505 アンカー
506 反射フィルム
508 表面アパーチャ
512 光学拡散部
514 輝度向上フィルム
516 平面光ガイド
517 プリズム
518 光源
519 反射部
520 反射フィルム
522 カバープレート
524 ブラックマトリックス
526 間隙
527 スペーサ
528 接着シール
530 液体
532 アセンブリブラケット
800 製造プロセス
900 アンカーアセンブリ
902 基板
904 第1の犠牲ポリマー層
906 第2の犠牲ポリマー層
908 構造的材料層
942 第1のスペーサー部
944 第2のスペーサー部
945 表面
960 スペーサー−アンカー
1000 アンカー及びシャッタアセンブリ
1060 スペーサー及びアンカー構造
1062 スペーサー部
1064 下部アンカー構造
1100 アンカー及びシャッタアセンブリ
1142 第1のスペーサー部
1143 表面
1144 第2のスペーサー部
1150 構造的材料層
1160 スペーサー及びアンカー構造
1162 スペーサー部
1164 アンカー部
1200 アンカー及びシャッタアセンブリ
1210 アンカー及びシャッタアセンブリ
1254a、b 駆動ビーム
1256a、b ロードビーム
1260a、b スペーサーおよびアンカー構造
1270 シャッタ
1280a、b スペーサーおよびアンカーアセンブリ
1302 アンカー
1304 スペーサー
1306 基板
1400 シャッタアセンブリ
1402 シャッタ
1404 アンカー
1405 ロードアンカー
1410a〜d 液体バリア構造
1430 液体バリア構造
1440 液体バリア構造
1500 シャッタアセンブリ
1504 アンカー
1510a〜d 液体バリア構造
1512a〜d 開口部
1520a〜d 液体バリア構造
1530 液体バリア構造
1532 開口部
1534a、b 領域
2700 アパーチャプレート
2702 基板
2704 金属ミラー
2706 光吸収層
2708 スペーサーポスト
2709 アパーチャ
2710 窒化シリコンの薄膜
2712 二酸化シリコンの薄膜
2714 アルミニウムの薄膜
2800 ディスプレイアセンブリ
2802 変調器基板
2804 アパーチャプレート
2806 シャッタアセンブリ
2808 反射性アパーチャ層
2810 アパーチャ
2812 スペーサ
2814 スペーサ
Claims (51)
- 第1の基板と、
前記第1の基板と結合された構造的材料から形成される複数の微小電気機械システム(MEMS)光変調器と、
前記第1の基板から離隔された第2の基板と、
前記第1の基板から延設する複数のスペーサと、を含むディスプレイ装置であって、
前記スペーサが、
前記第1の基板と接触する表面を有する第1のポリマー層と、
前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触する第2のポリマー層と、
前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する前記構造的材料の層と、を含む、ディスプレイ装置。 - 前記第2のポリマー層が、実質的に前記第1の基板と接触しない前記第1のポリマー層の全ての表面を覆うことによって前記第1のポリマー層を封入する、請求項1に記載のディスプレイ装置。
- 前記複数のスペーサの少なくとも1つが、前記第1の基板上の前記複数のMEMS光変調器の少なくとも1つを懸架するためのアンカーを含む、請求項1に記載のディスプレイ装置。
- 前記第1のポリマー層及び前記第2のポリマー層の少なくとも1つが、レジスト層として使用可能な材料からなる、請求項1に記載のディスプレイ装置。
- 前記構造的材料層が、半導体層及び金属層の少なくとも1つを含む、請求項1に記載のディスプレイ装置。
- 前記構造的材料層が、シリコン(Si)、アルミニウム(Al)、酸化アルミニウム(Al2O3)、チタン(Ti)、窒化シリコン(SiN)、及び酸窒化物(OxNy)の少なくとも1つを含む、請求項1に記載のディスプレイ装置。
- 前記構造的材料層が、前記構造的材料層上に入射する光の少なくとも約80%を吸収する、請求項1に記載のディスプレイ装置。
- 前記構造的材料層が、プラズマ化学気相成膜(PECVD)によって成膜された層である、請求項1に記載のディスプレイ装置。
- 前記複数のスペーサが、前記第2の基板を、前記複数の光変調器から離隔した状態に保つような大きさである、請求項1に記載のディスプレイ装置。
- 第1の基板と、
構造的材料から形成され前記第1の基板と結合された少なくとも1つの微小電気機械システム(MEMS)デバイスと、
前記第1の基板から離隔された第2の基板と、
前記第1の基板から延設する複数のスペーサと、を含む装置であって、
前記スペーサが、第1のポリマー層と、第2のポリマー層と、前記第2のポリマー層及び前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触し、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する、プラズマ化学気相成膜(PECVD)によって成膜された前記構造的材料の層と、を含む、装置。 - 第1の基板と、
構造的材料から形成され前記第1の基板と結合された少なくとも1つの微小電気機械システム(MEMS)デバイスと、
前記第1の基板から離隔された第2の基板と、
前記第1の基板から延設する複数のスペーサと、を含む装置であって、
前記スペーサが、前記第1の基板と接触する表面を含む第1のポリマー層と、前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触する第2のポリマー層と、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する、プラズマ化学気相成膜(PECVD)によって成膜された前記構造的材料の層と、を含む、装置。 - 前記第1のポリマー層及び前記第2のポリマー層の少なくとも1つが、レジスト層として使用可能な材料からなる、請求項10または11に記載の装置。
- 前記構造的材料層が、半導体層及び金属層の少なくとも1つを含む、請求項10または11に記載の装置。
- 前記構造的材料層が、シリコン(Si)、チタン(Ti)、窒化シリコン(SiN)及び酸窒化物(OxNy)の少なくとも1つを含む、請求項10または11に記載の装置。
- 前記構造的材料層が、前記構造的材料層上に入射する光の少なくとも約80%を吸収する、請求項10または11に記載の装置。
- 前記複数のスペーサーが、前記第2の基板を前記MEMSデバイスから離隔された状態に保つ大きさである、請求項10または11に記載の装置。
- 第1の基板と、
光吸収性構造的材料から形成され、前記第1の基板上に支持される少なくとも1つの微小電気機械システム(MEMS)デバイスと、
前記第1の基板から離隔された第2の基板と、
前記第1の基板から延設する複数のスペーサーと、を含む装置であって、
前記スペーサーが、
前記第1の基板と接触する表面を有する第1のポリマー層と、
第2のポリマー層と、
前記第2のポリマー層及び前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触し、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する、光吸収性構造的材料層と、を含み、
前記光吸収性構造的材料層が、前記光吸収性構造的材料層上に入射する光の少なくとも約80%を吸収する、装置。 - 前記第1のポリマー層及び前記第2のポリマー層の少なくとも1つがレジスト層として使用可能な材料からなる、請求項17に記載の装置。
- 前記第2のポリマー層が前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触する、請求項17に記載の装置。
- 前記光吸収性構造的材料層が、シリコン(Si)、チタン(Ti)、窒化シリコン(SiN)及び酸窒化物(OxNy)の少なくとも1つを含む、請求項17に記載の装置。
- 前記光吸収性構造的材料層が、プラズマ化学気相成膜(PECVD)で成膜された層である、請求項17に記載の装置。
- 前記複数のスペーサーが、前記第2の基板を前記MEMSデバイスから離隔された状態に保つような大きさである、請求項17に記載の装置。
- 第1の基板と、
構造的材料から形成され前記第1の基板と接続された少なくとも1つの微小電気機械システム(MEMS)デバイスと、
前記第1の基板から離隔された第2の基板と、
前記第1の基板から延設する複数のスペーサーと、を含む装置であって、
前記複数のスペーサーが、
前記第1の基板と接触する表面を有する第1のポリマー層と、
前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触する表面を有する第2のポリマー層と、
前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する、プラズマ化学気相成膜(PECVD)によって成膜された前記構造的材料の層を含む、装置。 - 前記第2のポリマー層が、前記第1の基板と実質的に接触しない前記第1のポリマー層の全ての表面を覆うことによって前記第1のポリマー層を封入する、請求項23に記載の装置。
- 前記第1のポリマー層及び前記第2のポリマー層の少なくとも1つがレジスト層として使用可能な材料からなる、請求項23に記載の装置。
- 前記構造的材料層が、半導体層及び金属層の少なくとも1つを含む、請求項23に記載の装置。
- 前記構造的材料層が、シリコン(Si)、チタン(Ti)、窒化シリコン(SiN)及び酸窒化物(OxNy)の少なくとも1つを含む、請求項23に記載の装置。
- 前記構造的材料層が、前記構造的材料層上に入射する光の少なくとも約80%を吸収する、請求項23に記載の装置。
- 前記複数のスペーサーが、前記第2の基板を前記MEMSデバイスから離隔された状態に保つような大きさである、請求項23に記載の装置。
- 第1の基板と、
前記第1の基板と結合された構造的材料から形成された複数の微小電気機械システム(MEMS)光変調器と、
前記第1の基板から離隔された第2の基板と、
前記第1の基板上に前記複数のMEMS光変調器の少なくとも1つを懸架するための少なくとも1つのアンカーと、を含むディスプレイ装置であって、
前記アンカーが、
前記第1の基板と接触する表面を有する第1のポリマー層と、
前記第1のポリマー層と接触する表面を有する第2のポリマー層と、
前記第2のポリマー層及び前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触し、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する、前記構造的材料の層と、を含む、ディスプレイ装置。 - 第1の基板と、
前記第1の基板と結合された構造的材料から形成された複数の微小電気機械システム(MEMS)光変調器と、
前記第1の基板から離隔された第2の基板と、
前記第1の基板上に前記複数のMEMS光変調器の少なくとも1つを懸架するための少なくとも1つのアンカーと、を含むディスプレイ装置であって、
前記アンカーが、
前記第1の基板と接触する表面を有する第1のポリマー層と、
前記第1の基板と実質的に接触しない前記第1のポリマー層の全ての表面を覆うことによって前記第1のポリマー層を封入する、第2のポリマー層と、
前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する、前記構造的材料の層と、を含む、ディスプレイ装置。 - 前記第1のポリマー層及び前記第2のポリマー層の少なくとも1つがレジスト層として使用可能な材料からなる、請求項30または31に記載のディスプレイ装置。
- 前記構造的材料層が、半導体層及び金属層の少なくとも1つを含む、請求項30または31に記載のディスプレイ装置。
- 前記構造的材料層が、シリコン(Si)、アルミニウム(Al)、酸化アルミニウム(Al2O3)、チタン(Ti)、窒化シリコン(SiN)及び酸窒化物(OxNy)の少なくとも1つを含む、請求項30または31に記載のディスプレイ装置。
- 前記構造的材料層が、前記構造的材料層上に入射する光の少なくとも約80%を吸収する、請求項30または31に記載のディスプレイ装置。
- 前記構造的材料層が、プラズマ化学気相成膜(PECVD)で成膜された層である、請求項30または31に記載のディスプレイ装置。
- 第1の基板と、
構造的材料から形成され、前記第1の基板上に懸架された複数の微小電気機械システム(MEMS)光変調器と、
前記第1の基板から離隔された第2の基板と、
前記MEMS光変調器のうち1つより多く全てより少ないMEMS光変調器を実質的に閉じ込める液体バリアと、を含むディスプレイ装置であって、
前記液体バリアが、第1のポリマー層と、第2のポリマー層と、前記第2のポリマー層及び前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触し、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する、前記構造的材料の層と、を含み、
前記液体バリアが、前記第1の基板から延設し、前記ディスプレイにわたって前記閉じ込められたMEMS光変調器へ向かう液体の流動を妨げるように構成された、ディスプレイ装置。 - 前記液体バリアが、前記複数のMEMS光変調器の前記第1の基板からの高さと実質的に等しい前記第1の基板からの高さを有する、請求項37に記載のディスプレイ装置。
- 前記液体バリアが、間に位置する開口部によって離隔された複数の不連続なバリア構造を含む、請求項37に記載のディスプレイ装置。
- 第1の基板と、
構造的材料から形成され、前記第1の基板上に懸架された複数の微小電気機械システム(MEMS)光変調器と、
前記第1の基板から離隔された第2の基板と、
前記MEMS光変調器のうち1つより多く全てより少ないMEMS光変調器を実質的に閉じ込める液体バリアと、を含むディスプレイ装置であって、
前記液体バリアが、間に位置する開口部によって離隔された複数の不連続なバリア構造を含み、
前記複数の不連続なバリア構造の少なくとも1つが、
前記第1の基板と接触する表面を有する第1のポリマー層と、
前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触する第2のポリマー層と、
前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマーの全ての表面と接触する構造的材料の層と、を含む、ディスプレイ装置。 - 第1の基板と、
前記第1の基板に接続され構造的材料から形成される複数の微小電気機械システム(MEMS)デバイスと、
前記第1の基板から離隔された第2の基板と、
第1のポリマー層、第2のポリマー層及び、前記第2のポリマー層及び前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触し、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する前記構造的材料の層を含む複数のスペーサーを含む液体バリアと、を含む、装置。 - 前記複数のスペーサーが、少なくとも1つのMEMSデバイスの周囲に連続的な前記液体バリアを形成する、請求項41に記載の装置。
- 前記複数のスペーサーが、前記複数のMEMSデバイスの1つより多く全てより少ないMEMSデバイスを実質的に閉じ込めるように構成された、請求項41に記載の装置。
- 第1の基板と、
構造的材料から形成され、前記第1の基板によって支持された複数の微小電気機械システム(MEMS)デバイスと、
前記第1の基板から離隔された第2の基板と、
前記複数のMEMSデバイスの1つより多く全てより少ないMEMSデバイスを実質的に閉じ込めるように構成された複数のスペーサーを含む液体バリアと、
を含む装置であって、
前記スペーサーが、前記第1の基板と接触する表面を有する第1のポリマー層と、前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触する第2のポリマー層と、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する前記構造的材料の層と、を含む、装置。 - 前記複数のスペーサーが、少なくとも1つのMEMSデバイスの周囲に連続な前記液体バリアを形成する、請求項44に記載の装置。
- 前記複数のMEMSデバイスが構造的材料から形成され、前記複数のスペーサーの少なくとも1つが、第1のポリマー層、第2のポリマー層及び構造的材料層を含む、請求項44に記載の装置。
- 前記第2のポリマー層が、前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触する、請求項46に記載の装置。
- 第1の透明基板上に第1のポリマー層を成膜する段階と、
前記第1のポリマー層をパターニング及び硬化する段階と、
前記第1のポリマー層のパターニング及び硬化後、前記第1の透明基板上及び前記第1のポリマー層の残された部分上に第2のポリマー層を成膜する段階と、
前記第2のポリマー層をパターニング及び硬化する段階と、
前記第1のポリマー層及び前記第2のポリマー層上にプラズマ化学気相成膜(PECVD)を用いて構造的材料層を成膜する段階と、
前記構造的材料層をパターニング及びエッチングして複合されたアンカー及びスペーサーを形成する段階と、を含む複合されたアンカー及びスペーサーを形成する段階と、
前記第1及び第2のポリマー層の残りの部分を除去して、複合されたアンカー及びスペーサーのうちスペーサーが、前記第2のポリマー層及び前記第1の基板に対して非接触である前記第1のポリマー層の全ての表面と接触し、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する前記構造的材料層を含むように、複合されたアンカー及びスペーサーをリリースする段階と、によって複合されたアンカー及びスペーサを形成する段階を含む、ディスプレイアセンブリを製造する方法。 - 前記第1のポリマー層及び前記第2のポリマー層の少なくとも1つがレジストを含む、請求項48に記載の方法。
- 前記構造的材料層が、前記構造的材料層上に入射する光の少なくとも約80%を吸収する光吸収材料を含む、請求項48に記載の方法。
- 第1の透明基板上に第1のポリマー層を成膜する段階と、
前記第1のポリマー層をパターニング及び硬化する段階と、
前記第1のポリマー層のパターニング及び硬化後、前記第1の透明基板上及び前記第1のポリマー層の残された部分上に、前記第1の透明基板に対して非接触である前記第1のポリマー層の残りの部分の全てを覆うように、第2のポリマー層を成膜する段階と、
前記第2のポリマー層をパターニング及び硬化する段階と、
前記第1のポリマー層及び前記第2のポリマー層上にプラズマ化学気相成膜(PECVD)を用いて構造的材料層を成膜する段階と、
前記構造的材料層をパターニング及びエッチングして複合されたアンカー及びスペーサーを形成する段階と、を含む複合されたアンカー及びスペーサーを形成する段階と、
前記第1及び第2のポリマー層の残りの部分を除去して、複合されたアンカー及びスペーサーのうちスペーサーが、前記第1のポリマー層及び前記第1の基板に対して非接触である前記第2のポリマー層の全ての表面と接触する前記構造的材料層を含むように、複合されたアンカー及びスペーサーをリリースする段階と、によって複合されたアンカー及びスペーサを形成する段階を含む、ディスプレイアセンブリを製造する方法。
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US13/474,532 US9213181B2 (en) | 2011-05-20 | 2012-05-17 | MEMS anchor and spacer structure |
PCT/US2012/038611 WO2012162155A1 (en) | 2011-05-20 | 2012-05-18 | Mems anchor and spacer structure |
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US20140175909A1 (en) * | 2012-12-21 | 2014-06-26 | Pixtronix, Inc. | Systems and Methods for Supporting a Movable Element of an Electromechanical Device |
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US20140268273A1 (en) * | 2013-03-15 | 2014-09-18 | Pixtronix, Inc. | Integrated elevated aperture layer and display apparatus |
US20140375538A1 (en) * | 2013-06-19 | 2014-12-25 | Pixtronix, Inc. | Display apparatus incorporating constrained light absorbing layers |
US9202821B2 (en) | 2013-10-23 | 2015-12-01 | Pixtronix, Inc. | Thin-film transistors incorporated into three dimensional MEMS structures |
US9547167B1 (en) * | 2014-12-17 | 2017-01-17 | Amazon Technologies, Inc. | Fabrication method for top plate and spacers for an electrowetting display |
KR101597210B1 (ko) * | 2015-03-23 | 2016-02-24 | 가천대학교 산학협력단 | 비 포토리소그래피 기반의 랩온어칩용 마이크로채널 형성방법 |
US9611135B1 (en) * | 2015-10-30 | 2017-04-04 | Infineon Technologies Ag | System and method for a differential comb drive MEMS |
US11377345B2 (en) * | 2020-07-08 | 2022-07-05 | Wisconsin Alumni Research Foundation | Tunable photonic device with liquid crystal elastomer microactuators and method of fabricating the same |
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US6741377B2 (en) | 2002-07-02 | 2004-05-25 | Iridigm Display Corporation | Device having a light-absorbing mask and a method for fabricating same |
US7675665B2 (en) | 2005-02-23 | 2010-03-09 | Pixtronix, Incorporated | Methods and apparatus for actuating displays |
US7746529B2 (en) | 2005-02-23 | 2010-06-29 | Pixtronix, Inc. | MEMS display apparatus |
US9158106B2 (en) | 2005-02-23 | 2015-10-13 | Pixtronix, Inc. | Display methods and apparatus |
US7999994B2 (en) | 2005-02-23 | 2011-08-16 | Pixtronix, Inc. | Display apparatus and methods for manufacture thereof |
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US7570415B2 (en) * | 2007-08-07 | 2009-08-04 | Qualcomm Mems Technologies, Inc. | MEMS device and interconnects for same |
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WO2012162155A1 (en) | 2012-11-29 |
JP2014522502A (ja) | 2014-09-04 |
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