JP2020181215A - デジタル化およびタッチ感知を含む折畳可能電気光学ディスプレイ - Google Patents
デジタル化およびタッチ感知を含む折畳可能電気光学ディスプレイ Download PDFInfo
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Abstract
Description
本願は、2017年5月19日に出願された米国仮出願第62/508,502号および2018年1月7日に出願された米国仮出願第62/614,487号に対する優先権を主張するものである。本明細書中に列挙された優先権出願および全ての他の特許および公開は、それらの全体が参照により本明細書中に援用される。
本発明は、反射電気光学表示装置およびそのようなディスプレイにおいて使用するための材料に関する。より具体的には、本発明は、書籍様方式で折畳され得る、可撓性電気光学ディスプレイに関する。いくつかの実施形態では、折畳可能デバイスは、タッチを感知する。いくつかの実施形態では、折畳可能デバイスは、デバイス上に書き込むために使用されるスタイラスの場所を追跡することができる。
本発明は、電気光学ディスプレイのためのバックプレーンおよびそのようなバックプレーンの形成のためのプロセスに関する。本発明のバックプレーンは、特に、排他的ではないが、1つ以上のタイプの電気的に荷電粒子が、液体中に懸濁され、電場の影響下、液体を通して移動され、ディスプレイの外観を変化させる、粒子ベースの電気泳動ディスプレイと併用するために意図される。
本発明は、可撓性電気光学ディスプレイを有する、画像表示装置を提供する。可撓性電気光学ディスプレイは、可撓性であって、画像を表示するように構成される、屈曲可能部分を含むことができるが、しかしながら、可撓性電気光学ディスプレイの一部は、屈曲可能ではなくてもよい。具体的には、本願の画像表示装置は、2つの平面部分と、屈曲可能部分とを含む、可撓性電気光学ディスプレイを含む、画像表示装置を備える。屈曲可能部分は、可撓性であって、画像を表示することが可能である。各平面支持部材は、固定領域と、非固定領域とを備える。固定領域は、可撓性電気光学ディスプレイの平面部分のうちの1つに結合され、それを支持する一方、非固定領域は、可撓性電気光学ディスプレイに結合されない。画像表示装置は、可撓性電気光学ディスプレイによって画定された中心線と平行な2つの別個の回転軸を備える、屈曲機構を含む。2つの軸はそれぞれ、中心線から所定の距離だけ離れるように設定され、軸はそれぞれ、平面支持部材のうちの1つの枢動を画定する。各枢動は、平面支持部材の固定領域と非固定領域との間の境界に近接する。開示される設計は、過剰に屈曲される(小曲率半径を伴う)ことから可撓性電気光学ディスプレイを保護し、それによって、破損を保護する。可撓性電気光学ディスプレイの大部分は、平面支持部材に添着されるため、全体的ディスプレイは、開放状態にあるとき、高平坦性を呈し、また、開放状態を安定して維持する。
本明細書は、例えば、以下の項目も提供する。
(項目1)
画像表示装置であって、
2つの平面部分および屈曲可能部分を含む可撓性電気光学ディスプレイであって、上記屈曲可能部分は、可撓性であり、画像を表示することが可能である、可撓性電気光学ディスプレイと、
2つの平面支持部材であって、各平面支持部材は、固定領域および非固定領域を備え、上記固定領域は、上記可撓性電気光学ディスプレイの平面部分のうちの1つに結合され、それを支持し、上記非固定領域は、上記可撓性電気光学ディスプレイに結合されない、2つの平面支持部材と、
上記可撓性電気光学ディスプレイによって画定された中心線と平行な2つの別個の回転軸を備える屈曲機構であって、2つの軸はそれぞれ、上記中心線から所定の距離だけ離れるように設定され、上記軸はそれぞれ、上記平面支持部材の枢動を画定する、屈曲機構と
を備え、
各枢動は、上記平面支持部材の上記固定領域と上記非固定領域との間の境界に近接する、画像表示装置。
(項目2)
上記可撓性電気光学ディスプレイの一部は、上記固定領域内の上記平面支持部材に接合される、項目1に記載の画像表示装置。
(項目3)
上記可撓性電気光学ディスプレイの一部は、支持部材に対して自由に摺動するように構成される、項目1に記載の画像表示装置。
(項目4)
上記可撓性電気光学ディスプレイは、電気泳動媒体を備える、項目1に記載の画像表示装置。
(項目5)
上記電気泳動媒体は、カプセル化される、項目4に記載の画像表示装置。
(項目6)
上記電気泳動媒体は、複数のマイクロセル内に分散される、項目4に記載の画像表示装置。
(項目7)
上記2つの別個の回転軸はそれぞれ、各軸の端部に結合される回転歯車を含み、上記屈曲機構はさらに、上記回転歯車の回転を同期させるための回転同期装置を備える、項目1に記載の画像表示装置。
(項目8)
上記回転同期装置は、2つの別個の同期歯車を備え、上記同期歯車はそれぞれ、他の同期歯車および軸に結合される上記回転歯車のうちの1つと係合される、項目7に記載の画像表示装置。
(項目9)
上記屈曲機構はさらに、その個別の軸を中心とした上記2つの平面支持部材の非固定領域の回転によって掃引される体積を超える空体積を備える、項目1に記載の画像表示装置。
(項目10)
上記平面支持部材は、略長方形である、項目1に記載の画像表示装置。
(項目11)
「l」は、上記軸間の距離であり、「R」は、上記可撓性電気光学ディスプレイの屈曲可能部分の動作のための最小曲率半径閾値であり、「l」および「R」は、l>2*Rのように関連する、項目10に記載の画像表示装置。
(項目12)
「l」は、上記軸間の距離であり、「a」は、軸から上記固定領域の最近傍縁までの距離であり、「R」は、上記可撓性電気光学ディスプレイの動作のための最小曲率半径閾値であり、「l」、「a」、および「R」は、2a+l>π*Rのように関連する、項目10に記載の画像表示装置。
(項目13)
2*a>lである、項目12に記載の画像表示装置。
(項目14)
屈曲可能領域の後方撓曲を防止するように構成される補助支持構造をさらに備える、項目1に記載の画像表示装置。
(項目15)
上記可撓性電気光学ディスプレイは、ピクセルのアレイを含む可撓性バックプレーンを備える、項目1に記載の画像表示装置。
(項目16)
上記可撓性バックプレーンは、上記バックプレーンを横断して2.5cmの線形距離毎に、少なくとも100ピクセルを含む、項目15に記載の画像表示装置。
(項目17)
スタイラスの位置が追跡され、「書込」が上記デバイス上で達成されることを可能にするデジタル化層をさらに備える、項目1に記載の画像表示装置。
(項目18)
上記表示装置にタッチする物体の存在を検出するように構成されるタッチセンサをさらに備える、項目1に記載の画像表示装置。
(項目19)
上記タッチセンサは、相互に対する上記2つの平面部分の角度変位に応じて、上記画像表示装置上の異なる場所とのタッチと相関するように構成される、項目18に記載の画像表示装置。
(項目20)
上記タッチセンサは、2つの別個の検出器を含み、各別個の検出器は、異なる波長の光を感知する、項目18に記載の画像表示装置。
(項目21)
画像表示装置であって、
2つの平面部分および屈曲可能部分を含む可撓性電気光学ディスプレイであって、上記屈曲可能部分は、可撓性であり、画像を表示することが可能である、可撓性電気光学ディスプレイと、
固定領域および非固定領域を備える第1の平面支持部材であって、上記固定領域は、上記可撓性電気光学ディスプレイの第1の平面部分に結合され、それを支持し、上記非固定領域は、上記可撓性電気光学ディスプレイに結合されない、第1の平面支持部材と、
第2の平面支持部材であって、上記第2の平面支持部材は、上記可撓性電気光学ディスプレイの第2の平面部分に固定されず、それを支持する、第2の平面支持部材と、
上記可撓性電気光学ディスプレイによって画定された中心線と平行な2つの別個の回転軸を備える屈曲機構であって、2つの軸はそれぞれ、上記中心線から所定の距離だけ離れるように設定され、上記軸はそれぞれ、平面支持部材の枢動を画定する、屈曲機構と
を備え、
各枢動は、上記平面支持部材の上記固定領域と上記非固定領域との間の境界に近接する、画像表示装置。
上記に示されるように、本発明は、可撓性であって、書籍様方式で折畳され得る、電気光学ディスプレイを提供する。表示装置は、可撓性ディスプレイと、可撓性ディスプレイを閉鎖状態で収容するための屈曲機構とを含んでもよい。屈曲機構の高度な設計のため、可撓性電気光学ディスプレイの一部は、ディスプレイが開放状態にあるとき、ディスプレイが平坦かつ平滑に置かれるように、平面支持部材の領域に結合されることができる。
(g)色形成および色調節(例えば、米国特許第7,075,502号および第7,839,564号、および(h)ディスプレイを駆動するための方法(例えば、米国特許第7,012,600号および第7,453,445号。本明細書に列挙される特許および特許出願は全て、参照することによってその全体として組み込まれる。前述の特許および出願の多くは、カプセル化電気泳動媒体内の離散マイクロカプセルを囲繞する壁が、連続相と置換され得、したがって、いわゆる高分子分散電気泳動ディスプレイを生成し、その中で、電気泳動媒体が、電気泳動流体の複数の離散液滴と、高分子材料の連続相とを備え、そのような高分子分散電気泳動ディスプレイ内の電気泳動流体の離散液滴が、離散カプセル膜が各個々の液滴と関連付けられない場合でも、カプセルまたはマイクロカプセルと見なされ得ることを認識する。例えば、前述の米国特許第6,866,760号を参照されたい。故に、本願の目的のために、そのような高分子分散電気泳動媒体は、カプセル化電気泳動媒体の亜種と見なされる。
定義
Claims (1)
- 本明細書に記載の発明。
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