JP2005326883A5 - - Google Patents

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JP2005326883A5
JP2005326883A5 JP2005209296A JP2005209296A JP2005326883A5 JP 2005326883 A5 JP2005326883 A5 JP 2005326883A5 JP 2005209296 A JP2005209296 A JP 2005209296A JP 2005209296 A JP2005209296 A JP 2005209296A JP 2005326883 A5 JP2005326883 A5 JP 2005326883A5
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electrode
display device
switching element
electrophoretic display
horizontal scanning
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第１の電極及び第２の電極と、A first electrode and a second electrode;
前記第１の電極と前記第２の電極との間に配置された、電気泳動粒子を含有する分散系と、A dispersion system containing electrophoretic particles disposed between the first electrode and the second electrode;
複数の走査線と、A plurality of scan lines;
前記複数の走査線と交差する複数のデータ線と、A plurality of data lines intersecting the plurality of scanning lines;
前記データ線と前記走査線との交差に対応して設けられ、前記データ線、前記走査線、及び前記第１の電極に電気的に接続されたスイッチング素子と、A switching element provided corresponding to the intersection of the data line and the scanning line, and electrically connected to the data line, the scanning line, and the first electrode;
を有する電気泳動表示装置の駆動方法であって、A method for driving an electrophoretic display device comprising:
表示階調に対応した位置へ前記電気泳動粒子を移動させるために、前記表示階調に対応した印加時間にわたって、前記第１の電極及び前記第２の電極の間に所定の電圧を印加するステップを有することを特徴とする電気泳動表示装置の駆動方法。Applying a predetermined voltage between the first electrode and the second electrode over an application time corresponding to the display gradation in order to move the electrophoretic particles to a position corresponding to the display gradation. A method for driving an electrophoretic display device, comprising: 請求項１に記載の電気泳動表示装置の駆動方法であって、A method for driving an electrophoretic display device according to claim 1,
前記所定の電圧を印加するステップは、Applying the predetermined voltage comprises:
１水平走査期間にわたって前記走査線に選択電圧を供給することにより前記スイッチング素子をオン状態とし、前記データ線と前記第１の電極とを接続するステップと、Supplying a selection voltage to the scanning line over one horizontal scanning period to turn on the switching element, and connecting the data line and the first electrode;
前記スイッチング素子がオン状態となった前記水平走査期間のうち一部の期間において、前記第１の電極と前記第２の電極との間に前記所定の電圧を生じさせるための信号を、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給するステップと、を有することを特徴とする電気泳動表示装置の駆動方法。A signal for generating the predetermined voltage between the first electrode and the second electrode in a part of the horizontal scanning period in which the switching element is turned on is the data Supplying to the first electrode through a line and the switching element. A method for driving an electrophoretic display device, comprising: 請求項２に記載の電気泳動表示装置の駆動方法であって、A method for driving an electrophoretic display device according to claim 2,
前記スイッチング素子がオン状態となった前記水平走査期間において、前記一部の期間の後に、前記第１の電極と前記第２の電極との間の電圧が前記電気泳動粒子の泳動を停止させる電圧となるような信号を、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給することを特徴とする電気泳動表示装置の駆動方法。In the horizontal scanning period in which the switching element is turned on, a voltage between the first electrode and the second electrode stops the migration of the electrophoretic particles after the partial period. A method for driving an electrophoretic display device, comprising: supplying a signal such as to the first electrode through the data line and the switching element. 請求項１に記載の電気泳動表示装置の駆動方法であって、A method for driving an electrophoretic display device according to claim 1,
前記所定の電圧を印加するステップは、Applying the predetermined voltage comprises:
１水平走査期間を単位として前記走査線に選択電圧を供給することにより、複数の前記水平走査期間の各々において前記スイッチング素子をオン状態とし、前記データ線と前記第１の電極とを接続するステップと、Supplying a selection voltage to the scanning line in units of one horizontal scanning period to turn on the switching element in each of the plurality of horizontal scanning periods and to connect the data line and the first electrode. When,
複数の前記水平走査期間にわたって前記所定の電圧を印加するステップと、を有することを特徴とする電気泳動表示装置の駆動方法。Applying the predetermined voltage over a plurality of the horizontal scanning periods. A method for driving an electrophoretic display device. 請求項４に記載の電気泳動表示装置の駆動方法であって、A method for driving an electrophoretic display device according to claim 4,
前記所定の電圧を印加するステップは、Applying the predetermined voltage comprises:
第１の前記水平走査期間において、前記第１の電極と前記第２の電極との間に前記所定の電圧を生じさせるための信号を、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給するステップと、In the first horizontal scanning period, a signal for generating the predetermined voltage between the first electrode and the second electrode is transmitted through the data line and the switching element. Supplying the electrodes;
前記第１の水平走査期間より後の第２の前記水平走査期間において、前記第１の電極と前記第２の電極との間の電圧が前記電気泳動粒子の泳動を停止させる電圧となるような信号を、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給するステップと、を有することを特徴とする電気泳動表示装置の駆動方法。In a second horizontal scanning period after the first horizontal scanning period, a voltage between the first electrode and the second electrode becomes a voltage for stopping migration of the electrophoretic particles. And a step of supplying a signal to the first electrode through the data line and the switching element. 請求項１から５のいずれか一項に記載の電気泳動表示装置の駆動方法であって、A method for driving an electrophoretic display device according to any one of claims 1 to 5,
前記所定の電圧を印加するステップの前に、前記第１の電極及び前記第２の電極の間にリセット電圧を印加することにより、前記電気泳動粒子を、前記分散系中において前記第１電極側または前記第２電極側へ引き寄せるリセットステップをさらに有することを特徴とする電気泳動表示装置の駆動方法。By applying a reset voltage between the first electrode and the second electrode before the step of applying the predetermined voltage, the electrophoretic particles are moved to the first electrode side in the dispersion system. Alternatively, the method for driving an electrophoretic display device further comprising a reset step of drawing toward the second electrode side. 第１の電極及び第２の電極と、A first electrode and a second electrode;
前記第１の電極と前記第２の電極との間に配置された、電気泳動粒子を含有する分散系と、A dispersion system containing electrophoretic particles disposed between the first electrode and the second electrode;
複数の走査線と、A plurality of scan lines;
前記複数の走査線と交差する複数のデータ線と、A plurality of data lines intersecting the plurality of scanning lines;
前記データ線と前記走査線との交差に対応して設けられ、前記データ線、前記走査線、及び前記第１の電極に電気的に接続されたスイッチング素子と、A switching element provided corresponding to the intersection of the data line and the scanning line, and electrically connected to the data line, the scanning line, and the first electrode;
を有する電気泳動表示装置の駆動回路であって、A drive circuit for an electrophoretic display device comprising:
表示階調に対応した位置へ前記電気泳動粒子を移動させるために、前記表示階調に対応した印加時間にわたって、前記第１の電極及び前記第２の電極の間に所定の電圧を印加することを特徴とする電気泳動表示装置の駆動回路。In order to move the electrophoretic particles to a position corresponding to a display gradation, a predetermined voltage is applied between the first electrode and the second electrode over an application time corresponding to the display gradation. A driving circuit for an electrophoretic display device. 請求項７に記載の電気泳動表示装置の駆動回路であって、A drive circuit for an electrophoretic display device according to claim 7,
１水平走査期間にわたって前記走査線に選択電圧を供給することにより前記スイッチング素子をオン状態とし、前記データ線と前記第１の電極とを接続する走査線駆動部と、A scanning line driving unit that turns on the switching element by supplying a selection voltage to the scanning line over one horizontal scanning period, and connects the data line and the first electrode;
前記スイッチング素子がオン状態となった前記水平走査期間のうち一部の期間において、前記第１の電極と前記第２の電極との間に前記所定の電圧を生じさせるための信号を、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給するデータ線駆動部と、を有することを特徴とする電気泳動表示装置の駆動回路。A signal for generating the predetermined voltage between the first electrode and the second electrode in a part of the horizontal scanning period in which the switching element is turned on is the data A drive circuit for an electrophoretic display device, comprising: a data line driving unit that supplies the first electrode through a line and the switching element. 請求項７に記載の電気泳動表示装置の駆動回路であって、A drive circuit for an electrophoretic display device according to claim 7,
１水平走査期間を単位として前記走査線に選択電圧を供給することにより、複数の前記水平走査期間の各々において前記スイッチング素子をオン状態とし、前記データ線と前記第１の電極とを接続する走査線駆動部と、By supplying a selection voltage to the scanning line in units of one horizontal scanning period, the switching element is turned on in each of the plurality of horizontal scanning periods to connect the data line and the first electrode. A line driver;
第１の前記水平走査期間において、前記第１の電極と前記第２の電極との間に前記所定の電圧を生じさせるための信号を、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給し、前記第１の水平走査期間より後の第２の前記水平走査期間において、前記第１の電極と前記第２の電極との間の電圧が前記電気泳動粒子の泳動を停止させる電圧となるような信号を、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給するデータ線駆動部と、を有することを特徴とする電気泳動表示装置の駆動回路。In the first horizontal scanning period, a signal for generating the predetermined voltage between the first electrode and the second electrode is transmitted through the data line and the switching element. And the voltage between the first electrode and the second electrode stops the migration of the electrophoretic particles in the second horizontal scanning period after the first horizontal scanning period. A driving circuit for an electrophoretic display device, comprising: a data line driving unit that supplies a signal that becomes a voltage to the first electrode through the data line and the switching element. 第１の電極及び第２の電極と、A first electrode and a second electrode;
前記第１の電極と前記第２の電極との間に配置された、電気泳動粒子を含有する分散系と、A dispersion system containing electrophoretic particles disposed between the first electrode and the second electrode;
複数の走査線と、A plurality of scan lines;
前記複数の走査線と交差する複数のデータ線と、A plurality of data lines intersecting the plurality of scanning lines;
前記データ線と前記走査線との交差に対応して設けられ、前記データ線、前記走査線、及び前記第１の電極に電気的に接続されたスイッチング素子と、A switching element provided corresponding to the intersection of the data line and the scanning line, and electrically connected to the data line, the scanning line, and the first electrode;
を備え、With
表示階調に対応した位置へ前記電気泳動粒子を移動させるために、前記表示階調に対応した印加時間にわたって、前記第１の電極及び前記第２の電極の間に所定の電圧が印加されることを特徴とする電気泳動表示装置。In order to move the electrophoretic particles to a position corresponding to the display gradation, a predetermined voltage is applied between the first electrode and the second electrode over an application time corresponding to the display gradation. An electrophoretic display device. 請求項１０に記載の電気泳動表示装置であって、The electrophoretic display device according to claim 10,
１水平走査期間にわたって前記走査線に選択電圧が供給されることにより前記スイッチング素子がオン状態となって前記データ線と前記第１の電極とが接続され、By supplying a selection voltage to the scanning line over one horizontal scanning period, the switching element is turned on, and the data line and the first electrode are connected,
前記スイッチング素子がオン状態となった前記水平走査期間のうち一部の期間において、前記第１の電極と前記第２の電極との間に前記所定の電圧を生じさせるための信号が、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給されることを特徴とする電気泳動表示装置。A signal for generating the predetermined voltage between the first electrode and the second electrode in a part of the horizontal scanning period in which the switching element is turned on is the data An electrophoretic display device, wherein the electrophoretic display device is supplied to the first electrode through a line and the switching element. 請求項１１に記載の電気泳動表示装置であって、The electrophoretic display device according to claim 11,
前記スイッチング素子がオン状態となった前記水平走査期間において、前記一部の期間の後に、前記第１の電極と前記第２の電極との間の電圧が前記電気泳動粒子の泳動を停止させる電圧となるような信号が、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給されることを特徴とする電気泳動表示装置。In the horizontal scanning period in which the switching element is turned on, a voltage between the first electrode and the second electrode stops the migration of the electrophoretic particles after the partial period. The electrophoretic display device is characterized in that a signal such as follows is supplied to the first electrode through the data line and the switching element. 請求項１０に記載の電気泳動表示装置であって、The electrophoretic display device according to claim 10,
１水平走査期間を単位として前記走査線に選択電圧が供給されることにより、複数の前記水平走査期間の各々において前記スイッチング素子がオン状態となって前記データ線と前記第１の電極とが接続され、By supplying a selection voltage to the scanning line in units of one horizontal scanning period, the switching element is turned on in each of the plurality of horizontal scanning periods to connect the data line and the first electrode. And
複数の前記水平走査期間にわたって前記第１の電極と前記第２の電極との間に前記所定の電圧が印加されることを特徴とする電気泳動表示装置。The electrophoretic display device, wherein the predetermined voltage is applied between the first electrode and the second electrode over a plurality of the horizontal scanning periods. 請求項１３に記載の電気泳動表示装置であって、The electrophoretic display device according to claim 13,
第１の前記水平走査期間において、前記第１の電極と前記第２の電極との間に前記所定の電圧を生じさせるための信号が、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給され、In the first horizontal scanning period, a signal for generating the predetermined voltage is generated between the first electrode and the second electrode via the data line and the switching element. Supplied to the electrode,
前記第１の水平走査期間より後の第２の前記水平走査期間において、前記第１の電極と前記第２の電極との間の電圧が前記電気泳動粒子の泳動を停止させる電圧となるような信号が、前記データ線及び前記スイッチング素子を介して前記第１の電極に供給されることを特徴とする電気泳動表示装置。In a second horizontal scanning period after the first horizontal scanning period, a voltage between the first electrode and the second electrode becomes a voltage for stopping migration of the electrophoretic particles. An electrophoretic display device, wherein a signal is supplied to the first electrode through the data line and the switching element. 請求項１０に記載の電気泳動表示装置であって、The electrophoretic display device according to claim 10,
前記所定の電圧が印加される前に、前記第１の電極及び前記第２の電極の間にリセット電圧が印加されることにより、前記電気泳動粒子が、前記分散系中において前記第１電極側または前記第２電極側へ引き寄せられることを特徴とする電気泳動表示装置。By applying a reset voltage between the first electrode and the second electrode before the predetermined voltage is applied, the electrophoretic particles are moved to the first electrode side in the dispersion system. Alternatively, the electrophoretic display device is drawn to the second electrode side. 請求項１０から１５のいずれか一項に記載の電気泳動表示装置を備えることを特徴とする電子機器。An electronic apparatus comprising the electrophoretic display device according to claim 10.
JP2005209296A 2000-06-22 2005-07-19 Electrophoretic display device driving method, driving circuit, electrophoretic display device, and electronic apparatus Expired - Fee Related JP4618031B2 (en)

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