JP2002182619A5 - - Google Patents

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JP2002182619A5
JP2002182619A5 JP2001057398A JP2001057398A JP2002182619A5 JP 2002182619 A5 JP2002182619 A5 JP 2002182619A5 JP 2001057398 A JP2001057398 A JP 2001057398A JP 2001057398 A JP2001057398 A JP 2001057398A JP 2002182619 A5 JP2002182619 A5 JP 2002182619A5
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scanning
data signal
period
signal line
display device
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JP2001057398A
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JP2002182619A (en
JP4137394B2 (en
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Priority claimed from JP2001057398A external-priority patent/JP4137394B2/en
Priority to JP2001057398A priority Critical patent/JP4137394B2/en
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Priority to US09/856,926 priority patent/US7321353B2/en
Priority to EP01922071.4A priority patent/EP1296174B1/en
Priority to PCT/JP2001/003543 priority patent/WO2001084226A1/en
Priority to CN01812023.7A priority patent/CN1220098C/en
Priority to TW90110174A priority patent/TW573167B/en
Publication of JP2002182619A publication Critical patent/JP2002182619A/en
Priority to US10/846,180 priority patent/US7286108B2/en
Publication of JP2002182619A5 publication Critical patent/JP2002182619A5/ja
Priority to US11/900,497 priority patent/US7924276B2/en
Publication of JP4137394B2 publication Critical patent/JP4137394B2/en
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【発明の名称】表示装置の駆動方法、それを用いた表示装置、およびその表示装置を搭載した携帯機器 The driving method of a display device [Title of Invention], the display device, and the portable device equipped with the display device using the same

【００１１】
本発明は、上記の問題点を解決するためになされたもので、その目的は、十分な低消費電力化とチラツキが十分に抑制された高表示品位とを両立させることのできるマトリクス型の表示装置の駆動方法、それを用いた表示装置、およびその表示装置を搭載した携帯機器を提供することにある。[0011]
The present invention has been made to solve the above problems, and its object is to provide a matrix-type display capable of achieving both sufficient reduction in power consumption and high display quality in which flicker is sufficiently suppressed. Abstract: A driving method of a device , a display using the same , and a portable device equipped with the display .

Claims (16)

画素がマトリクス状に配設された画面の各走査信号線を選択して走査し、選択されたラインの画素にデータ信号線からデータ信号を供給して表示を行う表示装置の駆動方法において、
１画面を走査する走査期間に続けて、該走査期間よりも長く全走査信号線を非走査状態とする休止期間を設け、
かつ、上記休止期間には上記データ信号線の電位を所定のデータ信号線休止電位に固定することを特徴とする表示装置の駆動方法。In a driving method of a display device, a scanning signal line of a screen in which pixels are arranged in a matrix is selected and scanned, and a data signal is supplied to a pixel of a selected line from a data signal line to perform display.
Following the scanning period for scanning one screen, there is provided a pause period in which all scanning signal lines are in a non-scanning state longer than the scanning period,
And a method of driving a display device, wherein the potential of the data signal line is fixed at a predetermined data signal line pause potential during the pause period. 上記休止期間におけるデータ信号線のデータ信号線休止電位を、上記走査期間にデータ信号線に供給されるデータ信号の電圧範囲内に設定することを特徴とする請求項１に記載の表示装置の駆動方法。2. The display device according to claim 1, wherein the data signal line idle potential of the data signal line in the idle period is set within the voltage range of the data signal supplied to the data signal line in the scanning period. Method. 上記休止期間におけるデータ信号線のデータ信号線休止電位を、上記走査期間にデータ信号線に供給されるデータ信号の振幅中心に設定することを特徴とする請求項１に記載の表示装置の駆動方法。2. The method according to claim 1, wherein the data signal line pause potential of the data signal line in the pause period is set at the center of the amplitude of the data signal supplied to the data signal line in the scanning period. . 画素がマトリクス状に配設された画面の各走査信号線を選択して走査し、選択されたラインの画素にデータ信号線からデータ信号を供給して表示を行う表示装置の駆動方法において、
１画面を走査する走査期間に続けて、該走査期間よりも長く全走査信号線を非走査状態とする休止期間を設け、
かつ、上記休止期間には対向電極の電位を所定の対向電極休止電位に固定することを特徴とする表示装置の駆動方法。In a driving method of a display device, a scanning signal line of a screen in which pixels are arranged in a matrix is selected and scanned, and a data signal is supplied to a pixel of a selected line from a data signal line to perform display.
Following the scanning period for scanning one screen, there is provided a pause period in which all scanning signal lines are in a non-scanning state longer than the scanning period,
In the driving method of the display device, the potential of the counter electrode is fixed to a predetermined counter electrode rest potential during the rest period. 上記休止期間における対向電極の対向電極休止電位を、上記走査期間に対向電極に供給される対向電極駆動信号の電圧範囲内に設定することを特徴とする請求項４に記載の表示装置の駆動方法。5. The method of driving a display device according to claim 4, wherein the counter electrode rest potential of the counter electrode in the rest period is set within the voltage range of the counter electrode drive signal supplied to the counter electrode in the scanning period. . 上記休止期間における対向電極の対向電極休止電位を、上記走査期間に対向電極に供給される対向電極駆動信号の振幅中心に設定することを特徴とする請求項４に記載の表示装置の駆動方法。5. The method of driving a display device according to claim 4, wherein the counter electrode rest potential of the counter electrode in the rest period is set at the center of amplitude of the counter electrode drive signal supplied to the counter electrode in the scanning period. 請求項１から３の何れか１項に記載の表示装置の駆動方法によって、休止期間にはデータ信号線の電位をデータ信号線休止電位に固定し、
かつ、請求項４から６の何れか１項に記載の表示装置の駆動方法によって、上記休止期間には対向電極の電位を対向電極休止電位に固定することを特徴とする表示装置の駆動方法。The method according to any one of claims 1 to 3, wherein the potential of the data signal line is fixed to the data signal line pause potential during the pause period,
A driving method of a display device according to any one of claims 4 to 6, wherein the potential of the counter electrode is fixed to the counter electrode rest potential during the rest period. 上記休止期間において、
上記データ信号線の電位と上記対向電極の電位とを、データ信号線休止電位と対向電極休止電位とにそれぞれ固定した後、
上記データ信号線にデータ信号を供給するデータ信号ドライバに対して当該データ信号線をハイインピーダンス状態とすることを特徴とする請求項７に記載の表示装置の駆動方法。In the above pause period,
After fixing the potential of the data signal line and the potential of the counter electrode to the data signal line rest potential and the counter electrode rest potential, respectively
8. The method according to claim 7, wherein the data signal line is set to a high impedance state with respect to the data signal driver for supplying the data signal to the data signal line. 画素がマトリクス状に配設された画面の各走査信号線を選択して走査し、選択されたラインの画素にデータ信号線からデータ信号を供給して表示を行う表示装置の駆動方法において、
１画面を走査する走査期間に続けて、該走査期間よりも長く全走査信号線を非走査状態とする休止期間を設け、
かつ、上記休止期間には上記データ信号線に、周波数が上記走査期間に当該データ信号線に供給されるデータ信号の周波数以下の交流の駆動信号を印加することを特徴とする表示装置の駆動方法。In a driving method of a display device, a scanning signal line of a screen in which pixels are arranged in a matrix is selected and scanned, and a data signal is supplied to a pixel of a selected line from a data signal line to perform display.
Following the scanning period for scanning one screen, there is provided a pause period in which all scanning signal lines are in a non-scanning state longer than the scanning period,
Further, a driving method of a display device characterized in that an alternating current drive signal whose frequency is lower than the frequency of the data signal supplied to the data signal line during the scanning period is applied to the data signal line during the idle period. . 上記休止期間にデータ信号線に印加する駆動信号の振幅を、上記走査期間に当該データ信号線に供給されるデータ信号の電圧範囲内に設定することを特徴とする請求項９に記載の表示装置の駆動方法。10. The display device according to claim 9, wherein the amplitude of the drive signal applied to the data signal line in the idle period is set within the voltage range of the data signal supplied to the data signal line in the scanning period. Driving method. 画素がマトリクス状に配設された画面の各走査信号線を選択して走査し、選択されたラインの画素にデータ信号線からデータ信号を供給して表示を行う表示装置の駆動方法において、
１画面を走査する走査期間に続けて、該走査期間よりも長く全走査信号線を非走査状態とする休止期間を設け、
かつ、上記休止期間には対向電極に、振幅が上記走査期間に当該対向電極に供給される対向電極駆動信号の電圧範囲内、周波数が当該対向電極駆動信号の周波数以下の交流の駆動信号を印加することを特徴とする表示装置の駆動方法。In a driving method of a display device, a scanning signal line of a screen in which pixels are arranged in a matrix is selected and scanned, and a data signal is supplied to a pixel of a selected line from a data signal line to perform display.
Following the scanning period for scanning one screen, there is provided a pause period in which all scanning signal lines are in a non-scanning state longer than the scanning period,
Further, during the idle period, an alternating current drive signal having a frequency equal to or lower than the frequency of the opposite electrode drive signal is applied to the opposite electrode within the voltage range of the opposite electrode drive signal supplied to the opposite electrode during the scanning period. And driving a display device. 請求項９または１０に記載の表示装置の駆動方法によって、休止期間にはデータ信号線に交流の駆動信号を印加し、
かつ、請求項１１に記載の表示装置の駆動方法によって、上記休止期間には対向電極に交流の駆動信号を印加し、
上記の両駆動信号の周波数および位相が一致していることを特徴とする表示装置の駆動方法。An alternating current drive signal is applied to the data signal line during the idle period according to the method of driving a display device according to claim 9 or 10,
Further, according to the driving method of the display device of claim 11, an AC driving signal is applied to the counter electrode during the idle period,
A method of driving a display device, wherein the frequency and the phase of both of the above drive signals coincide with each other. 画素がマトリクス状に配設された画面の各走査信号線を選択して走査し、選択されたラインの画素にデータ信号線からデータ信号を供給して表示を行う表示装置の駆動方法において、
１画面を走査する走査期間に続けて、該走査期間よりも長く全走査信号線を非走査状態とする休止期間を設け、
かつ、上記休止期間には、振幅が上記走査期間に対向電極に供給される対向電極駆動信号の電圧範囲内、周波数が当該対向電極駆動信号の周波数以下の交流の駆動信号を上記対向電極に印加するとともに、当該交流の駆動信号を上記データ信号線にも印加することを特徴とする表示装置の駆動方法。In a driving method of a display device, a scanning signal line of a screen in which pixels are arranged in a matrix is selected and scanned, and a data signal is supplied to a pixel of a selected line from a data signal line to perform display.
Following the scanning period for scanning one screen, there is provided a pause period in which all scanning signal lines are in a non-scanning state longer than the scanning period,
In the idle period, an alternating current drive signal having a frequency equal to or lower than the frequency of the opposite electrode drive signal is applied to the opposite electrode within the voltage range of the opposite electrode drive signal whose amplitude is supplied to the opposite electrode during the scanning period. And driving the AC drive signal also to the data signal line. 画素がマトリクス状に配設された画面の各走査信号線を選択して走査し、選択されたラインの画素にデータ信号線からデータ信号を供給して表示を行う表示装置の駆動方法において、
１画面を走査する走査期間に続けて、該走査期間よりも長く全走査信号線を非走査状態とする休止期間を設け、
かつ、上記休止期間には、上記走査期間に対向電極に供給される対向電極駆動信号の電圧範囲内の電位の直流の駆動信号を上記対向電極に印加するとともに、当該直流の駆動信号を上記データ信号線にも印加することを特徴とする表示装置の駆動方法。In a driving method of a display device, a scanning signal line of a screen in which pixels are arranged in a matrix is selected and scanned, and a data signal is supplied to a pixel of a selected line from a data signal line to perform display.
Following the scanning period for scanning one screen, there is provided a pause period in which all scanning signal lines are in a non-scanning state longer than the scanning period,
In the idle period, a DC drive signal of a potential within the voltage range of the counter electrode drive signal supplied to the counter electrode during the scanning period is applied to the counter electrode, and the DC drive signal is transmitted A method of driving a display device characterized by applying also to signal lines. 請求項１から１４の何れか１項に記載の表示装置の駆動方法を実行する制御手段を備えることを特徴とする表示装置。A display device comprising control means for executing the method of driving a display device according to any one of claims 1 to 14. 請求項１５に記載の表示装置を搭載していることを特徴とする携帯機器。A portable device comprising the display device according to claim 15.
JP2001057398A 2000-04-28 2001-03-01 Display device drive method, display device using the same, and portable device equipped with the display device Expired - Fee Related JP4137394B2 (en)

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Application Number Priority Date Filing Date Title
JP2001057398A JP4137394B2 (en) 2000-10-05 2001-03-01 Display device drive method, display device using the same, and portable device equipped with the display device
US09/856,926 US7321353B2 (en) 2000-04-28 2001-04-24 Display device method of driving same and electronic device mounting same
EP01922071.4A EP1296174B1 (en) 2000-04-28 2001-04-24 Display unit, drive method for display unit, electronic apparatus mounting display unit thereon
PCT/JP2001/003543 WO2001084226A1 (en) 2000-04-28 2001-04-24 Display unit, drive method for display unit, electronic apparatus mounting display unit thereon
CN01812023.7A CN1220098C (en) 2000-04-28 2001-04-24 Display unit, drive method for display unit, electronic apparatus mounting display unit thereon
TW90110174A TW573167B (en) 2000-04-28 2001-04-27 Display device, method of driving same and electronic equipment mounting same
US10/846,180 US7286108B2 (en) 2000-04-28 2004-05-14 Display device, method of driving same and electronic device mounting same
US11/900,497 US7924276B2 (en) 2000-04-28 2007-09-11 Display device, method of driving same and electronic device mounting same

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