JP2020515908A - 電気光学ディスプレイを駆動する方法 - Google Patents
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- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
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- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F2001/1678—Constructional details characterised by the composition or particle type
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0202—Addressing of scan or signal lines
- G09G2310/0205—Simultaneous scanning of several lines in flat panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0202—Addressing of scan or signal lines
- G09G2310/0216—Interleaved control phases for different scan lines in the same sub-field, e.g. initialization, addressing and sustaining in plasma displays that are not simultaneous for all scan lines
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0202—Addressing of scan or signal lines
- G09G2310/0218—Addressing of scan or signal lines with collection of electrodes in groups for n-dimensional addressing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/04—Partial updating of the display screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
Abstract
Description
本願は、米国仮出願第62/481,339号(2017年4月4日出願)に関連する。上記出願の全開示は、参照により本明細書に組み込まれる。
(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、ならびに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)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、ならびに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)
(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)米国特許第6,241,921号および米国特許出願公開第2015/0277160号に説明されるような非電気泳動ディスプレイならびにディスプレイ以外のカプセル化およびマイクロセル技術の用途(例えば、米国特許第7,615,325号ならびに米国特許出願公開第2015/0005720号および第2016/0012710号参照)。
(a)以前の状態依存性;少なくともいくつかの電気光学媒体を用いると、ピクセルを新しい光学状態に切り替えるために要求されるインパルスは、現在および所望の光学状態のみならず、ピクセルの以前の光学状態にも依存する。
(b)滞留時間依存性;少なくともいくつかの電気光学媒体を用いると、ピクセルを新しい光学状態に切り替えるために要求されるインパルスは、ピクセルがその種々の光学状態において費やした時間に依存する。この依存性の精密な性質は、あまり理解されていないが、一般に、より多くのインパルスが、ピクセルがその現在の光学状態にあったものより長く要求される。
(c)温度依存性;ピクセルを新しい光学状態に切り替えるために要求されるインパルスは、温度に大きく依存する。
(d)湿度依存性;ピクセルを新しい光学状態に切り替えるために要求されるインパルスは、少なくともいくつかのタイプの電気光学媒体を用いると、周囲湿度に依存する。
(e)機械的均一性;ピクセルを新しい光学状態に切り替えるために要求されるインパルスは、ディスプレイ内の機械的変動、例えば、電気光学媒体または関連付けられる積層接着剤の厚さの変動によって影響され得る。他のタイプの機械的非均一性も、媒体の異なる製造バッチ間の不可避な変動、製造公差、および材料変動から生じ得る。
(f)電圧誤差;ピクセルに印加される実際のインパルスは、ドライバによって送達される電圧における不可避のわずかな誤差により、理論的に印加されるものと不可避的にわずかに異なるであろう。
L*=116(R/R0)1/3−16
式中、Rは、反射率であり、R0は、標準反射率値である)誤差をもたらすことを想像する。50回の遷移後、この誤差は、10L*まで蓄積するであろう。おそらく、より現実的には、ディスプレイの理論的反射率と実際の反射率との間の差異の観点から表される各遷移における平均誤差が、±0.2L*であると仮定する。100回の連続遷移後、ピクセルは、2L*のそれらの予期される状態から平均偏差を示し、そのような偏差は、あるタイプの画像において平均観察者に明白である。
Claims (12)
- 複数の行および列に位置付けられた複数のディスプレイピクセルを有する電気光学ディスプレイを駆動する方法であって、前記方法は、
前記複数のディスプレイピクセルを複数の群に分割することと、
少なくとも1つの波形をピクセルの各群に印加することによって、連続的方式で前記ピクセルの複数の群を更新することと
を含み、
ピクセルの少なくとも2つの群は、同時に更新される、方法。 - 前記ピクセルの複数の群の各々は、ディスプレイピクセルの少なくとも1つの行を有する、請求項1に記載の方法。
- 前記ピクセルの複数の群を更新することは、前記ピクセルの複数の群の更新時間に互いに少なくとも1つのフレームだけ間隔を保たせることを含む、請求項1に記載の方法。
- 前記電気光学ディスプレイは、電気泳動材料の層を有する電気泳動ディスプレイである、請求項1に記載の方法。
- 前記電気泳動材料は、流体中に配置された複数の荷電粒子を備え、前記複数の荷電粒子は、電場の影響のもとで前記流体を通して移動することが可能である、請求項4に記載の方法。
- 前記荷電粒子および前記流体は、複数のカプセルまたはマイクロセル内に閉じ込められている、請求項5に記載の方法。
- 前記電気泳動材料は、マイクロセル内に閉じ込められた染色された流体中の単一のタイプの電気泳動粒子を備えている、請求項6に記載の方法。
- 前記荷電粒子および前記流体は、ポリマー材料を備えている連続相によって包囲された複数の別々の液滴として存在する、請求項7に記載の方法。
- 前記流体は、ガス状である、請求項8に記載の方法。
- 複数のディスプレイピクセルを有する電気光学ディスプレイを駆動する方法であって、前記方法は、
前記複数のディスプレイピクセルをピクセルの複数の群に分割することと、
少なくとも1つの波形構造を前記ピクセルの複数の群に印加することであって、前記少なくとも1つの波形構造は、前記ピクセルの複数の群を更新するための駆動区分を有する、ことと、
ディスプレイピクセルの1つの群のみが任意の所与の時間に前記駆動区分を完了するような連続的方式で前記ピクセルの複数の群を更新することと
を含む、方法。 - 前記少なくとも1つの波形構造は、光学アーチファクトを除去するためのエッジクリア区分をさらに備えている、請求項10に記載の方法。
- 前記更新するステップは、時間において少なくとも1つのフレームを共有する前記ピクセルの複数の群のための前記エッジクリア区分を有することをさらに含む、請求項11に記載の方法。
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US20210056916A1 (en) | 2021-02-25 |
JP2021076868A (ja) | 2021-05-20 |
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EP3607543A1 (en) | 2020-02-12 |
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