JP2023546719A - 多色電気泳動ディスプレイにおいて原色組を達成するための強化プッシュプル(epp)波形 - Google Patents
多色電気泳動ディスプレイにおいて原色組を達成するための強化プッシュプル(epp)波形 Download PDFInfo
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Abstract
Description
本願は、2020年11月2日に出願された米国仮特許出願第63/108,521号の優先権を主張する。本明細書に開示される、全ての特許および公開は、参照することによって、全体として組み込まれる。
(a)電気泳動粒子、流体、および流体添加物(例えば、米国特許第7,002,728号および第7,679,814号参照)
(b)カプセル、結合剤、およびカプセル化プロセス(例えば、米国特許第6,922,276号および第7,411,719号参照)
(c)マイクロセル構造、壁材料、およびマイクロセルを形成する方法(例えば、米国特許第7,072,095号および第9,279,906号参照)
(d)マイクロセルを充填およびシールする方法(例えば、米国特許第7,144,942号および第7,715,088号参照)
(e)電気光学材料を含むフィルムおよびサブアセンブリ(例えば、米国特許第6,982,178号および第7,839,564号参照)
(f)バックプレーン、接着剤層、および他の補助層、およびディスプレイにおいて使用される方法(例えば、米国特許第7,116,318号および第7,535,624号参照)
(g)カラー形成およびカラー調節(例えば、米国特許第6,017,584号、第6,545,797号、第6,664,944号、第6,788,452号、第6,864,875号、第6,914,714号、第6,972,893号、第7,038,656号、第7,038,670号、第7,046,228号、第7,052,571号、第7,075,502号、第7,167,155号、第7,385,751号、第7,492,505号、第7,667,684号、第7,684,108号、第7,791,789号、第7,800,813号、第7,821,702号、第7,839,564号、第7,910,175号、第7,952,790号、第7,956,841号、第7,982,941号、第8,040,594号、第8,054,526号、第8,098,418号、第8,159,636号、第8,213,076号、第8,363,299号、第8,422,116号、第8,441,714号、第8,441,716号、第8,466,852号、第8,503,063号、第8,576,470号、第8,576,475号、第8,593,721号、第8,605,354号、第8,649,084号、第8,670,174号、第8,704,756号、第8,717,664号、第8,786,935号、第8,797,634号、第8,810,899号、第8,830,559号、第8,873,129号、第8,902,153号、第8,902,491号、第8,917,439号、第8,964,282号、第9,013,783号、第9,116,412号、第9,146,439号、第9,164,207号、第9,170,467号、第9,170,468号、第9,182,646号、第9,195,111号、第9,199,441号、第9,268,191号、第9,285,649号、第9,293,511号、第9,341,916号、第9,360,733号、第9,361,836号、第9,383,623号、および第9,423,666号、および米国特許出願公開第2008/0043318号、第2008/0048970号、第2009/0225398号、第2010/0156780号、第2011/0043543号、第2012/0326957号、第2013/0242378号、第2013/0278995号、第2014/0055840号、第2014/0078576号、第2014/0340430号、第2014/0340736号、第2014/0362213号、第2015/0103394号、第2015/0118390号、第2015/0124345号、第2015/0198858号、第2015/0234250号、第2015/0268531号、第2015/0301246号、第2016/0011484号、第2016/0026062号、第2016/0048054号、第2016/0116816号、第2016/0116818号、および第2016/0140909号参照)
(h)ディスプレイを駆動する方法(例えば、米国特許第5,930,026号、第6,445,489号、第6,504,524号、第6,512,354号、第6,531,997号、第6,753,999号、第6,825,970号、第6,900,851号、第6,995,550号、第7,012,600号、第7,023,420号、第7,034,783号、第7,061,166号、第7,061,662号、第7,116,466号、第7,119,772号、第7,177,066号、第7,193,625号、第7,202,847号、第7,242,514号、第7,259,744号、第7,304,787号、第7,312,794号、第7,327,511号、第7,408,699号、第7,453,445号、第7,492,339号、第7,528,822号、第7,545,358号、第7,583,251号、第7,602,374号、第7,612,760号、第7,679,599号、第7,679,813号、第7,683,606号、第7,688,297号、第7,729,039号、第7,733,311号、第7,733,335号、第7,787,169号、第7,859,742号、第7,952,557号、第7,956,841号、第7,982,479号、第7,999,787号、第8,077,141号、第8,125,501号、第8,139,050号、第8,174,490号、第8,243,013号、第8,274,472号、第8,289,250号、第8,300,006号、第8,305,341号、第8,314,784号、第8,373,649号、第8,384,658号、第8,456,414号、第8,462,102号、第8,514,168号、第8,537,105号、第8,558,783号、第8,558,785号、第8,558,786号、第8,558,855号、第8,576,164号、第8,576,259号、第8,593,396号、第8,605,032号、第8,643,595号、第8,665,206号、第8,681,191号、第8,730,153号、第8,810,525号、第8,928,562号、第8,928,641号、第8,976,444号、第9,013,394号、第9,019,197号、第9,019,198号、第9,019,318号、第9,082,352号、第9,171,508号、第9,218,773号、第9,224,338号、第9,224,342号、第9,224,344号、第9,230,492号、第9,251,736号、第9,262,973号、第9,269,311号、第9,299,294号、第9,373,289号、第9,390,066号、第9,390,661号、および第9,412,314号、および米国特許出願公開第2003/0102858号、第2004/0246562号、第2005/0253777号、第2007/0091418号、第2007/0103427号、第2007/0176912号、第2008/0024429号、第2008/0024482号、第2008/0136774号、第2008/0291129号、第2008/0303780号、第2009/0174651号、第2009/0195568号、第2009/0322721号、第2010/0194733号、第2010/0194789号、第2010/0220121号、第2010/0265561号、第2010/0283804号、第2011/0063314号、第2011/0175875号、第2011/0193840号、第2011/0193841号、第2011/0199671号、第2011/0221740号、第2012/0001957号、第2012/0098740号、第2013/0063333号、第2013/0194250号、第2013/0249782号、第2013/0321278号、第2014/0009817号、第2014/0085355号、第2014/0204012号、第2014/0218277号、第2014/0240210号、第2014/0240373号、第2014/0253425号、第2014/0292830号、第2014/0293398号、第2014/0333685号、第2014/0340734号、第2015/0070744号、第2015/0097877号、第2015/0109283号、第2015/0213749号、第2015/0213765号、第2015/0221257号、第2015/0262255号、第2015/0262551号、第2016/0071465号、第2016/0078820号、第2016/0093253号、第2016/0140910号、および第2016/0180777号参照)(これらの特許および出願は、以降、MEDEOD(電気光学ディスプレイを駆動する方法)出願と称され得る)
(i)ディスプレイの用途(例えば、米国特許第7,312,784号および第8,009,348号参照)
(j)例えば、米国特許第6,241,921号、および米国特許出願公開第2015/0277160号、および米国特許出願公開第2015/0005720号および第2016/0012710号に説明されるような非電気泳動ディスプレイ
上で説明される方法は、金属酸化物AM-TFTバックプレーンと、1つの反射性(白色)粒子および3つの減法的粒子(シアン色、マゼンタ色、および黄色)を含む、4粒子電気泳動媒体とを説明する、モデル関数を構築するために使用された。85Hz(0.5秒)における42フレーム波形に関し、各3パルスEPP波形(合計206,640個の独特の波形)が、試験された。黒色、白色、マゼンタ色、青色、シアン色、緑色、黄色、および赤色に対応する8つのカラー標的が、選定された。これら8つの標的の各々に最も近い最終カラー状態を伴う10,000個の波形が、さらに評価されるために、選定された。これらの10,000個の最終色状態点は、図10内のa*-b*プロット上にプロットされる。
Claims (20)
- 電気泳動ディスプレイを駆動する方法であって、前記方法は、
粒子の4つの組を備えている電気泳動媒体を提供することであって、各粒子の組は、異なる光学特性と異なる電荷特性とを有する、ことと、
第1の光透過性電極と第2の電極との間に前記電気泳動媒体を配置することと、
少なくとも5つの電圧レベルを提供するように構成された電圧ドライバを提供することであって、前記少なくとも5つの電圧レベルは、高い負電圧、中程度の負電圧、ゼロ電圧、中程度の正電圧、および高い正電圧である、ことと、
プッシュプル波形を提供することによって、前記電気泳動媒体を所望の光学状態に駆動することと
を含み、
前記プッシュプル波形は、
第1のパルスと第2のパルスとから成る第1の正の部分であって、前記第1のパルスは、第1の正の大きさと第1の時間幅とを有し、前記第2のパルスは、第2の正の大きさと第2の時間幅とを有する、第1の正の部分と、
第3のパルスと第4のパルスとから成る第2の負の部分であって、前記第3のパルスは、第1の負の大きさと第3の時間幅とを有し、前記第4のパルスは、第2の負の大きさと第4の時間幅とを有する、第2の負の部分と
を有し、
前記第1の正の大きさ、前記第2の正の大きさ、前記第1の負の大きさ、および前記第2の負の大きさの全ては、非ゼロであり、前記第1、第2、第3、および第4の時間幅のうちの少なくとも3つは、非ゼロである、方法。 - 前記粒子の第1の組は、反射性であり、前記粒子の第2、第3、および第4の組は、減法的である、請求項1に記載の方法。
- 前記粒子の組のうちの2つは、正荷電であり、前記粒子の組のうちの2つは、負荷電である、請求項2に記載の方法。
- 前記粒子の組のうちの1つは、正荷電であり、前記粒子の組のうちの3つは、負荷電である、請求項2に記載の方法。
- 前記粒子の組のうちの3つは、正荷電であり、前記粒子の組のうちの1つは、負荷電である、請求項2に記載の方法。
- 前記第2の電極は、アレイにおいて配置された複数のピクセル電極を備えている、請求項1に記載の方法。
- 前記第2の電極は、光透過性である、請求項1に記載の方法。
- 前記高い負電圧は、-30V~-20Vであり、前記中程度の負電圧は、-20V~-2Vであり、前記中程度の正電圧は、2V~20Vであり、前記高い正電圧は、20V~30Vである、請求項1に記載の方法。
- 前記電圧ドライバは、7つの電圧レベル:高い負電圧、中程度の負電圧、低い負電圧、ゼロ電圧、低い正電圧、中程度の正電圧、および高い正電圧を提供するように構成されている、請求項1に記載の方法。
- 強化プッシュプル波形を識別する方法であって、前記方法は、
電気泳動ディスプレイを駆動するための電圧の有限の組を選択することであって、前記組は、少なくとも5つの異なる電圧レベルを含む、ことと、
候補波形のための時間の有限の時間幅を選択することと、
全ての波形を計算することであって、前記全ての波形は、
第1のパルスと第2のパルスとから成る第1の正の部分であって、前記第1のパルスは、第1の正の大きさと第1の時間幅とを有し、前記第2のパルスは、第2の正の大きさと第2の時間幅とを有する、第1の正の部分と、
第3のパルスと第4のパルスとから成る第2の負の部分であって、前記第3のパルスは、第1の負の大きさと第3の時間幅とを有し、前記第4のパルスは、第2の負の大きさと第4の時間幅とを有する、第2の負の部分とを有し、
前記第1の正の大きさ、前記第2の正の大きさ、前記第1の負の大きさ、および前記第2の負の大きさの各々は、前記電圧の有限の組からの値を有し、
前記第1のパルス幅、前記第2のパルス幅、前記第3のパルス幅、および前記第4のパルス幅の合計は、前記有限の時間幅と等しい、ことと、
粒子の4つの組を備えている電気泳動媒体を有する電気泳動ディスプレイのモデルを使用して、前記候補波形の各々によって生成される光学状態を計算することであって、前記各粒子の組は、異なる光学特性と異なる電荷特性とを有し、前記電気泳動媒体は、第1の光透過性電極と第2の電極との間に配置されている、ことと、
標的化された光学状態を生成するための波形を選択することと
を含む、方法。 - 選択することは、標的カラーを予測された出力カラーと比較することを含む、請求項10に記載の方法。
- 粒子の4つの組を備えている電気泳動媒体を含む物理的電気泳動ディスプレイに前記選択された波形を入力することをさらに含み、各粒子の組は、異なる光学特性と異なる電荷特性とを有し、前記電気泳動媒体は、第1の光透過性電極と第2の電極との間に配置されている、請求項11に記載の方法。
- 前記物理的電気泳動ディスプレイの前記カラー出力を評価することと、前記カラー出力を前記標的カラーと比較することとをさらに含む、請求項12に記載の方法。
- 前記電圧の有限の組は、-30V~-20Vの高い負電圧と、-20V~-2Vの中程度の負電圧と、2V~20Vの中程度の正電圧と、20V~30Vの高い正電圧とを含む、請求項11に記載の方法。
- 前記電圧の有限の組は、-27Vと、0Vと、+27Vとを含む、請求項10に記載の方法。
- 前記組は、7つの電圧レベル:高い負電圧、中程度の負電圧、低い負電圧、ゼロ電圧、低い正電圧、中程度の正電圧、および高い正電圧を含む、請求項10に記載の方法。
- 前記粒子の第1の組は、反射性であり、粒子の第2、第3、および第4の組は、減法的である、請求項10に記載の方法。
- 前記粒子の組のうちの2つは、正荷電であり、前記粒子の組のうちの2つは、負荷電である、請求項17に記載の方法。
- 前記粒子の組のうちの1つは、正荷電であり、前記粒子の組のうちの3つは、負荷電である、請求項17に記載の方法。
- 前記粒子の組のうちの3つは、正荷電であり、前記粒子の組のうちの1つは、負荷電である、請求項17に記載の方法。
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