JP5478255B2 - 電気泳動セルについての駆動方法及び電気泳動装置 - Google Patents
電気泳動セルについての駆動方法及び電気泳動装置 Download PDFInfo
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Description
Claims (14)
- 電気泳動セルについての駆動方法であって、前記セルは、第1蓄積電極と、第2蓄積電極と、第1ターゲット領域電極と、第2ターゲット領域電極と、第1タイプの粒子と、第2タイプの粒子とを有し、前記第2タイプの粒子は前記第1タイプの粒子に対して逆の帯電極性にあり、前記第1及び第2ターゲット領域電極間に広がっている領域はターゲット領域であり、前記第1及び第2蓄積電極は前記ターゲット領域の同じ側に位置付けられ、前記第1蓄積電極は前記ターゲット領域に最近接で位置付けられ、前記セルは、前記第1及び第2蓄積電極の一と前記ターゲット領域との間に位置付けられているゲート電極を更に有し、前記電極間の粒子の輸送は1つの面に関係し、それ故、前記セルは横電界方式電気泳動セルである、駆動方法であり:
リセットフェーズにおいて、前記第1及び第2タイプの粒子が前記セルにおいて前記第1蓄積電極及び第2蓄積電極の決定されたリセット位置に位置付けられるように、電極制御信号を印加する段階;
第1書き込みフェーズにおいて、前記第1タイプの粒子が前記第1蓄積電極に及び/又は前記第1蓄積電極から移動され、それにより、前記ターゲット領域における量の変化及び前記第2タイプの粒子の量が前記ターゲット領域に保たれるように、電極制御信号を印加する段階;
交換フェーズにおいて、前記第1蓄積電極における前記第1タイプの粒子の何れかが前記第2蓄積電極に対して交換されるように、電極制御信号を印加する段階;
第2書き込みフェーズにおいて、前記第2タイプの粒子が前記第1蓄積電極に及び/又は前記第1蓄積電極から移動され、それにより、前記ターゲット領域における量の変化及び前記第1タイプの粒子の量が前記ターゲット領域に保たれるように、電極制御信号を印加する段階;
拡散フェーズにおいて、前記ターゲット領域に位置付けられている前記第1及び第2タイプの粒子が前記ターゲット領域において分散する及び混合するように、電極制御信号を印加する段階;並びに、
前記第1及び第2書き込みフェーズの少なくとも一において、前記ターゲット領域における量で前記前記第1及び第2蓄積電極に及び/又は前記前記第1及び第2蓄積電極から移動されない前記第1及び第2タイプの粒子を保つ電位に設定されるように、前記電極制御信号が印加される、
を連続的に有する駆動方法。 - 請求項1に記載の駆動方法であって、前記第2書き込みフェーズ中の前記制御信号は、前記第1書き込みフェーズ中に前記制御信号の反転された電圧の極性を有する、駆動方法。
- 請求項1又は2に記載の駆動方法であって、前記拡散フェーズにおいて、前記ターゲット領域における前記第1及び第2タイプの粒子は、前記第1及び第2ターゲット領域電極間に印加される電圧の極性を切り換えることにより前記ターゲット領域において分散される及び混合される、駆動方法。
- 請求項1乃至3の何れか一項に記載の駆動方法であって、前記制御信号は、前記第1及び第2書き込みフェーズの少なくとも一における少なくとも一部の間に、第1制御信号レベルと第2制御信号レベルとの間で交番する電圧パルスの形で印加される、駆動方法。
- 請求項4に記載の駆動方法であって、前記第1制御信号レベルは、前記第1及び第2タイプの粒子が前記ターゲット領域に又はから移動することを可能にし、前記第2制御信号レベルは、前記第1及び第2タイプの粒子が前記ターゲット領域に又はから移動しないようにする、駆動方法。
- 請求項4に記載の駆動方法であって、前記ターゲット領域に又はから移動される前記第1及び第2タイプの粒子の量は、前記交番パルスのデューティサイクル及び/又は振幅及び/又は周波数及び/又は数により決定される、駆動方法。
- 請求項1乃至6の何れか一項に記載の駆動方法であって、前記セルは付加的なタイプの帯電粒子を更に有し、前記第1蓄積電極に及び/又は前記第1蓄積電極から移動される前記第1及び第2タイプの粒子は、前記付加的なタイプの帯電粒子と同じ極性を有し、前記付加的なタイプの帯電粒子も前記第1蓄積電極に及び/又は前記第1蓄積電極から移動され、それにより、前記ターゲット領域における量を変化させるように、前記電極制御信号が印加される、駆動方法。
- 請求項7に記載の駆動方法であって、前記付加的なタイプの帯電粒子は、前記付加的なタイプの帯電粒子と同じ極性を有する前記第1又は第2タイプの粒子と比べて、実効電気泳動移動度で実質的に2倍又はそれ以上異なる、駆動方法。
- 請求項7又は8に記載の駆動方法であって、前記付加的なタイプの帯電粒子は、前記付加的なタイプの帯電粒子と同じ極性を有する前記第1又は第2タイプの粒子と比べて、閾値特性で異なる、駆動方法。
- 請求項1乃至9の何れか一項に記載の駆動方法であって、複数のセルがアレイにおいて行及び列として配列され、各々のセルにおける前記第1及び第2蓄積電極並びに前記第1及び第2ターゲット領域電極の少なくとも1つは同じ行に配列されている他のセルとのみ共有される行電極であり、各々のセルにおける前記第1及び第2蓄積電極並びに前記第1及び第2ターゲット領域電極の少なくとも1つは同じ列に配列されている他のセルとのみ共有される列電極であり、前記方法は、前記セルの前記行電極及び前記列電極の前記電極制御信号が前記書き込みフェーズの影響下に置かれていないセルの前記行電極及び前記列電極に印加される前記電極制御信号と異なる、駆動方法。
- 請求項10に記載の駆動方法であって、前記アレイにおける前記リセットフェーズ及び前記拡散フェーズの全てのセルは前記同じ電極制御信号の影響下に置かれる、駆動方法。
- 少なくとも1つの電気泳動セルを有する電気泳動装置であって、前記セルは、第1蓄積電極と、第2蓄積電極と、第1ターゲット領域電極と、第2ターゲット領域電極と、第1タイプの粒子と、第2タイプの粒子とを有し、前記第2タイプの粒子は前記第1タイプの粒子に対して逆の帯電極性にあり、前記第1及び第2ターゲット領域電極間に広がっている領域はターゲット領域であり、前記第1及び第2蓄積電極は前記ターゲット領域の同じ側に位置付けられ、前記第1蓄積電極は前記ターゲット領域に最近接で位置付けられ、前記セルは、前記第1及び第2蓄積電極の一と前記ターゲット領域との間に位置付けられているゲート電極を更に有し、前記電極間の粒子の輸送は1つの面に関係し、それ故、前記セルは横電界方式電気泳動セルであり、前記装置は、前記少なくとも1つの電気泳動セルの電極電位を制御する制御器を更に有する、電気泳動装置であり、前記制御器は:
リセットフェーズにおいて、前記第1及び第2タイプの粒子が前記セルにおいて前記第1蓄積電極及び第2蓄積電極の決定されたリセット位置に位置付けられるように、電極制御信号を印加し;
第1書き込みフェーズにおいて、前記第1タイプの粒子が前記第1蓄積電極に及び/又は前記第1蓄積電極から移動され、それにより、前記ターゲット領域における量の変化及び前記第2タイプの粒子の量が前記ターゲット領域に保たれるように、電極制御信号を印加し;
第2書き込みフェーズにおいて、前記第2タイプの粒子が前記第1蓄積電極に及び/又は前記第1蓄積電極から移動され、それにより、前記ターゲット領域における量の変化及び前記第1タイプの粒子の量が前記ターゲット領域に保たれるように、電極制御信号を印加し;
交換フェーズにおいて、前記第1書き込みフェーズと前記第2書き込みフェーズとの間に、前記第1蓄積電極における前記第1タイプの粒子の何れかが前記第2蓄積電極に対して交換されるように、電極制御信号を印加し;そして
拡散フェーズにおいて、前記ターゲット領域に位置付けられている前記第1及び第2タイプの粒子が前記ターゲット領域において分散する及び混合するように、電極制御信号を印加し;
前記第1及び第2書き込みフェーズの少なくとも一において、前記ターゲット領域における量で前記前記第1及び第2蓄積電極に及び/又は前記前記第1及び第2蓄積電極から移動されない前記第1及び第2タイプの粒子を保つ電位に設定されるように、前記電極制御信号が印加される、
ように適合されている電気泳動装置。 - 請求項12に記載の電気泳動装置であって、該電気泳動装置は、電気泳動表示装置、電気泳動レンズ、電気泳動投与装置又は光フィルタリング装置である、電気泳動装置。
- 請求項13に記載の電気泳動装置であって、前記電気泳動表示装置は、電子ペーパー、電子信号装置、電子プライスタグ又は電子広告掲示板の方式である、電気泳動装置。
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PCT/IB2007/054797 WO2008065603A1 (en) | 2006-11-30 | 2007-11-27 | Drive method for an electrophoretic cell and an electrophoretic device |
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JP5786292B2 (ja) | 2010-08-18 | 2015-09-30 | セイコーエプソン株式会社 | 制御装置、表示装置及び表示装置の制御方法 |
JP2013186409A (ja) * | 2012-03-09 | 2013-09-19 | Fuji Xerox Co Ltd | 画像表示媒体の駆動装置、画像表示装置、及び駆動プログラム |
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US9633610B2 (en) | 2017-04-25 |
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EP2102847B1 (en) | 2017-10-25 |
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