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    • 1. 发明授权
    • Liquid crystal display device, television receiver, and display method for liquid crystal display device
    • 液晶显示装置,电视接收机以及液晶显示装置的显示方法
    • US08976096B2
    • 2015-03-10
    • US13511972
    • 2010-09-07
    • Masae KawabataFumikazu ShimoshikiryohKentaroh Irie
    • Masae KawabataFumikazu ShimoshikiryohKentaroh Irie
    • G09G3/36G09G3/20
    • G09G3/2018G09G3/2022G09G3/2074G09G3/36G09G3/3607G09G2300/0439G09G2300/0443G09G2300/0478G09G2320/0247G09G2320/0285
    • Provided is a liquid crystal display device which displays each halftone by changing the luminance of pixels during a cycle (F1-F8) composed of a first term (F1-F2), a second term (F3-F4), a third term (F5-F6), and a fourth term (F7-F8). The liquid crystal display device includes: a type 1 pixel, which luminance level rises during the first term, rises or stays on hold during the second term, decays during the third term, and decays or stays on hold during the fourth term; a type 2 pixel, which luminance level decays during the first term, decays or stays on hold during the second term, rises during the third term, and rises or stays on hold during the fourth term; a type 3 pixel, which luminance level rises or stays on hold during the first term, decays during the second term, decays or stays on hold during the third term, and rises during the fourth term; a type 4 pixel, which luminance level decays or stays on hold during the first term, rises during the second term, rises or stays on hold during the third term, and decays during the fourth term to continuously display the same halftone.
    • 提供一种液晶显示装置,其通过在由第一项(F1-F2),第二项(F3-F4),第三项(F5-F4)组成的循环期间(F1-F8)改变像素的亮度来显示每个半色调 -F6)和第四项(F7-F8)。 液晶显示装置包括:在第一项期间亮度级别上升的类型1像素在第二期期间上升或保持保持,在第三期期间衰减,并且在第四期期间衰减或保持保持; 第二项期间的亮度级别在第一项期间衰减,在第二项期间衰减或保持保持的类型2像素在第三期期间上升,并且在第四期期间上升或保持保持; 在第一项期间亮度水平升高或保持保持的3型像素,在第二期期间衰减,在第三期期间衰减或保持保持,并且在第四期期间上升; 在第一项期间亮度级别衰减或保持保持的类型4像素在第二项期间上升,在第三项期间上升或保持保持,并且在第四项期间衰减以连续显示相同的半色调。
    • 2. 发明授权
    • Liquid crystal display device, method for driving liquid crystal display device, and television receiver
    • 液晶显示装置,液晶显示装置的驱动方法以及电视接收机
    • US08743047B2
    • 2014-06-03
    • US12998731
    • 2009-10-05
    • Masae KawabataFumikazu Shimoshikiryoh
    • Masae KawabataFumikazu Shimoshikiryoh
    • G09G3/36G09G5/00G06F3/038G09G5/10
    • G09G3/3666G09G3/3614G09G2300/0413G09G2310/0224G09G2310/0251G09G2310/08
    • At least one embodiment of a liquid crystal display device including: pixels each of which includes a plurality of sub-pixels; and scanning signal lines provided in a display area, the scanning signal lines being divided into groups each of which includes a plurality of scanning signal lines, the groups being sequentially selected, the polarity POL of signal electric potentials being inverted when the selected group is changed from a preceding group to a succeeding group which is selected immediately after the preceding group, a plurality of (for example, two) dummy scanning periods being inserted between a horizontal scanning period corresponding to last horizontal scanning (scanning of G23) in the preceding group and a horizontal scanning period corresponding to first horizontal scanning (scanning of G2) in the succeeding group, and a scanning signal line (for example, G2) which belongs to a group selected after the preceding group being subjected to dummy scanning during each dummy scanning period so as to be made active for a predetermined period of time, and then deactivated. With the arrangement, it is possible to suppress horizontal-shaped unevenness that occurs in a case where block inversion driving is carried out in a multi-pixel mode liquid crystal display device.
    • 液晶显示装置的至少一个实施例包括:各自包括多个子像素的像素; 和扫描信号线,扫描信号线被分成组,每组包括多条扫描信号线,这些组被顺序选择,当所选择的组被改变时,信号电位的极性POL被反转 从前一组到紧接在前一组之后选择的后续组,在前一组中的最后水平扫描(G23的扫描)对应的水平扫描周期之间插入多个(例如两个)虚拟扫描周期 以及对应于后续组中的第一次水平扫描(G2的扫描)的水平扫描时段和属于在每个虚拟扫描期间在前一组被进行虚拟扫描之后选择的组的扫描信号线(例如,G2) 期间使其活动一段预定的时间,然后停用。 通过该结构,可以抑制在多像素模式液晶显示装置中进行块反转驱动的情况下发生的水平状的不均匀。
    • 3. 发明授权
    • Liquid crystal display device, liquid crystal display device drive method, and television receiver
    • 液晶显示装置,液晶显示装置驱动方式和电视接收机
    • US08736544B2
    • 2014-05-27
    • US12998725
    • 2009-10-05
    • Fumikazu ShimoshikiryohMasae Kawabata
    • Fumikazu ShimoshikiryohMasae Kawabata
    • G09G3/36G09G5/00G06F3/038G09G5/10
    • G09G3/3614G09G3/3648G09G2310/0218G09G2310/0251
    • At least one embodiment of a liquid crystal display device including a display unit having scan signal lines divided into a plurality of groups which are successively selected. While the scan signal lines belonging to the selected group are successively scanned horizontally, signal potentials of the same polarity are successively supplied to a data signal line. The polarity of the signal potential is reversed between a preceding group and a subsequent group which are selected continuously. A plurality of dummy scan periods are inserted between the horizontal scan period corresponding to the last horizontal scan in the preceding group and the horizontal scan period corresponding to the first horizontal scan in the subsequent group. In each of the dummy scan periods, one of the scan signal lines which belong to the group selected after the preceding group is subjected to a dummy scan so that the scan signal line is maintained in an active state for a predetermined period and then deactivated so as to align the load state of a scan signal line drive circuit. This can reduce irregularities of the horizontal stripes when the data signal line is subjected to the block reverse drive.
    • 液晶显示装置的至少一个实施例包括具有划分成连续选择的多个组的扫描信号线的显示单元。 属于选定组的扫描信号线水平地依次扫描,相同极性的信号电位依次提供给数据信号线。 信号电位的极性在连续选择的前一组与后续组之间相反。 多个虚拟扫描周期被插入在与先前组中的最后水平扫描相对应的水平扫描周期和对应于后续组中的第一水平扫描的水平扫描周期之间。 在每个虚拟扫描周期中,属于前一组之后选择的组的扫描信号线之一经受虚拟扫描,使得扫描信号线在预定时间段内保持在活动状态,然后停用 以对齐扫描信号线驱动电路的负载状态。 当数据信号线经受块反向驱动时,这可以减少水平条纹的不规则性。
    • 4. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE, LIQUID CRYSTAL DISPLAY DEVICE DRIVE METHOD, AND TELEVISION RECEIVER
    • 液晶显示装置,液晶显示装置驱动方法及电视接收器
    • US20110221971A1
    • 2011-09-15
    • US12998725
    • 2009-10-05
    • Fumikazu ShimoshikiryohMasae Kawabata
    • Fumikazu ShimoshikiryohMasae Kawabata
    • H04N5/50G09G5/00
    • G09G3/3614G09G3/3648G09G2310/0218G09G2310/0251
    • At least one embodiment of a liquid crystal display device including a display unit having scan signal lines divided into a plurality of groups which are successively selected. While the scan signal lines belonging to the selected group are successively scanned horizontally, signal potentials of the same polarity are successively supplied to a data signal line. The polarity of the signal potential is reversed between a preceding group and a subsequent group which are selected continuously. A plurality of dummy scan periods are inserted between the horizontal scan period corresponding to the last horizontal scan in the preceding group and the horizontal scan period corresponding to the first horizontal scan in the subsequent group. In each of the dummy scan periods, one of the scan signal lines which belong to the group selected after the preceding group is subjected to a dummy scan so that the scan signal line is maintained in an active state for a predetermined period and then deactivated so as to align the load state of a scan signal line drive circuit. This can reduce irregularities of the horizontal stripes when the data signal line is subjected to the block reverse drive.
    • 液晶显示装置的至少一个实施例包括具有划分成连续选择的多个组的扫描信号线的显示单元。 属于选定组的扫描信号线水平地依次扫描,相同极性的信号电位依次提供给数据信号线。 信号电位的极性在连续选择的前一组和后续组之间相反。 多个虚拟扫描周期被插入在与先前组中的最后水平扫描相对应的水平扫描周期和对应于后续组中的第一水平扫描的水平扫描周期之间。 在每个虚拟扫描周期中,属于前一组之后选择的组的扫描信号线之一经受虚拟扫描,使得扫描信号线在预定时间段内保持在活动状态,然后停用 以对齐扫描信号线驱动电路的负载状态。 当数据信号线经受块反向驱动时,这可以减少水平条纹的不规则性。
    • 5. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE, METHOD FOR DRIVING LIQUID CRYSTAL DISPLAY DEVICE, AND TELEVESION RECEIVER
    • 液晶显示装置,驱动液晶显示装置的方法和电视接收器
    • US20110221970A1
    • 2011-09-15
    • US12998724
    • 2009-10-05
    • Masae KawabataFumikazu ShimoshikiryohToshikazu Tsuchiya
    • Masae KawabataFumikazu ShimoshikiryohToshikazu Tsuchiya
    • H04N5/50G09G5/00
    • G09G3/3614G02F1/136213G09G2300/0413G09G2300/0447G09G2310/0202G09G2310/08G09G2320/0233
    • At least one embodiment of a liquid crystal display device including: scanning signal lines provided in a display area; and a dummy scanning signal line provided in a non-display area, the scanning signal lines being divided into groups each of which includes a plurality of scanning signal lines, the groups being sequentially selected, signal electric potentials of an identical polarity being sequentially supplied to a data signal line while scanning signal lines belonging to a selected group are sequentially scanned horizontally, the polarity of the signal electric potentials being inverted when the selected group is changed from a preceding group to a succeeding group which is selected immediately after the preceding group, a dummy scanning period being inserted between a horizontal scanning period corresponding to last horizontal scanning in the preceding group and a horizontal scanning period corresponding to first horizontal scanning in the succeeding group, and the dummy scanning signal line being subjected to dummy scanning during the dummy scanning period. With the arrangement, it is possible to suppress horizontal-shaped unevenness that occurs in a case where block inversion driving is carried out.
    • 液晶显示装置的至少一个实施例包括:扫描设置在显示区域中的信号线; 以及设置在非显示区域中的虚拟扫描信号线,所述扫描信号线被划分成各自包括多条扫描信号线的组,所述组被依次选择,相同极性的信号电位依次提供给 扫描属于所选择的组的信号线的数据信号线被水平顺序地扫描,当所选择的组从前一组改变成紧接在前一组之后的后续组时,信号电位的极性反转, 虚拟扫描期间插入在与前一组中的最后水平扫描相对应的水平扫描期间和对应于后续组中的第一水平扫描的水平扫描期间之间,虚拟扫描信号线在虚拟扫描期间进行虚拟扫描 期。 通过该结构,可以抑制在进行块反转驱动的情况下发生的水平状的不均匀。
    • 6. 发明授权
    • LCD device and television receiver
    • LCD设备和电视接收机
    • US09214122B2
    • 2015-12-15
    • US13512174
    • 2010-09-07
    • Masae KawabataFumikazu ShimoshikiryohKentaroh Irie
    • Masae KawabataFumikazu ShimoshikiryohKentaroh Irie
    • G09G3/36G09G3/20
    • G09G3/3648G09G3/2022G09G3/36G09G3/3607G09G3/3614G09G2300/0447G09G2320/0247G09G2320/028G09G2320/0285
    • A liquid crystal display device which carries out a single tone display with a change in pixel luminance during a single cycle composed of first to mth frame periods (m is an integer of 4 or more), includes: pixels of a first type in which when a halftone is displayed, supply of two or more kinds of data voltage during at least either the first to nth frame periods (n is an integer of 2 or more to m or less) or the (n+1)th to mth frame periods causes liquid crystal layers to produce rise responses during the first to nth frame periods and produce decay responses during the (n+1)th to mth frame periods; and pixels of a second type in which when a halftone is displayed, supply of two or more kinds of data voltage during at least either the first to nth frame periods or the (n+1)th to mth frame periods causes liquid crystal layers to produce decay responses during the first to nth frame periods and produce rise responses during the (n+1)th to mth frame periods. This makes it possible to achieve both an improvement in viewing angle characteristic and a reduction in flickers.
    • 在由第一至第m帧周期(m为4以上的整数)构成的单周期期间,执行像素亮度变化的单色显示装置的液晶显示装置包括:第一类型的像素,其中, 显示半色调,在第一至第n帧周期(n为2以上至m以下的整数)或第(n + 1)至第m帧周期中的至少一个期间提供两种以上数据电压 导致液晶层在第一至第n帧周期期间产生上升响应,并在第(n + 1)至第m帧周期期间产生衰减响应; 以及第二类型的像素,其中当显示半色调时,在至少第一至第n帧周期或第(n + 1)至第m帧周期期间提供两种或更多种数据电压使得液晶层 在第一至第n帧期间产生衰减响应,并且在第(n + 1)至第m帧周期期间产生上升响应。 这使得可以实现视角特性的改善和闪烁的减少。
    • 9. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING A LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置及驱动液晶显示装置的方法
    • US20120268504A1
    • 2012-10-25
    • US13511973
    • 2010-07-29
    • Kentaroh IrieMasae KawabataFumikazu Shimoshikiryoh
    • Kentaroh IrieMasae KawabataFumikazu Shimoshikiryoh
    • G09G5/10G09G5/00
    • G09G5/18G09G3/2011G09G3/2025G09G3/2077G09G3/3614G09G3/3696G09G2300/0823G09G2310/0235G09G2310/0251G09G2310/0259G09G2320/0219G09G2320/0247G09G2320/0276G09G2320/028G09G2320/0285G09G2330/04
    • The present invention provides a liquid crystal display device that appropriately compensates for a feed-through voltage. The liquid crystal display device is arranged such that when data of a certain gray level is to be displayed, the effective value of a pixel voltage changes in an N-frame cycle, a first pixel and a second pixel are provided that are different in the effective value during an i-th frame (1≦i≦N), the first pixel has a positive polarity during the i-th frame, whereas the second pixel has a negative polarity during an i{N/2 after}th frame, the first pixel has a polarity during a j-th frame (where 1≦j≦N and i≠j), the polarity being different from the polarity of the second pixel during a j{N/2 after}th frame, and when data of a first gray level is to be displayed, VB and VC are different from each other, where VA is a source voltage (VD) of the first pixel during the i-th frame, VB is a source voltage (VD) of the second pixel during the i{N/2 after}th frame, and VC is, in a case where data of a second gray level is to be displayed when the first pixel has a positive polarity during the j-th frame, a source voltage (VD) of the second pixel during the j{N/2 after}th frame for the case in which the source voltage (VD) of the first pixel during the first pixel is VA.
    • 本发明提供了适当地补偿馈通电压的液晶显示装置。 液晶显示装置被布置成使得当要显示特定灰度级的数据时,像素电压的有效值在N帧周期中改变,提供在第一像素和第二像素中不同的像素电压 在第i帧(1≦̸ i≦̸ N)期间的有效值,第i像素在第i帧期间具有正极性,而第i像素在i {N / 2之后}帧具有负极性, 第一像素在第j帧(其中1≦̸ j≦̸ N和i≠j)具有极性,极性在第i帧{N / 2之后}帧中与第二像素的极性不同,并且当数据 要显示第一灰度级,VB和VC彼此不同,其中VA是第i帧期间的第一像素的源电压(VD),VB是第二帧的源电压(VD) i {N / 2 after}帧之前的像素,VC是在第一像素具有正极性时要显示第二灰度级的数据的情况下 在第j帧期间,在第一像素期间第一像素的源电压(VD)为VA的情况下,在第j帧的第N / 2之后的第二像素的源极电压(VD) 。
    • 10. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE, METHOD FOR DRIVING LIQUID CRYSTAL DISPLAY, AND TELEVISION RECEIVER
    • 液晶显示装置,驱动液晶显示的方法和电视接收器
    • US20110221972A1
    • 2011-09-15
    • US12998731
    • 2009-10-05
    • Masae KawabataFumikazu Shimoshikiryoh
    • Masae KawabataFumikazu Shimoshikiryoh
    • H04N5/50G09G5/10G09G5/00
    • G09G3/3666G09G3/3614G09G2300/0413G09G2310/0224G09G2310/0251G09G2310/08
    • At least one embodiment of a liquid crystal display device including: pixels each of which includes a plurality of sub-pixels; and scanning signal lines provided in a display area, the scanning signal lines being divided into groups each of which includes a plurality of scanning signal lines, the groups being sequentially selected, the polarity POL of signal electric potentials being inverted when the selected group is changed from a preceding group to a succeeding group which is selected immediately after the preceding group, a plurality of (for example, two) dummy scanning periods being inserted between a horizontal scanning period corresponding to last horizontal scanning (scanning of G23) in the preceding group and a horizontal scanning period corresponding to first horizontal scanning (scanning of G2) in the succeeding group, and a scanning signal line (for example, G2) which belongs to a group selected after the preceding group being subjected to dummy scanning during each dummy scanning period so as to be made active for a predetermined period of time, and then deactivated. With the arrangement, it is possible to suppress horizontal-shaped unevenness that occurs in a case where block inversion driving is carried out in a multi-pixel mode liquid crystal display device.
    • 液晶显示装置的至少一个实施例包括:各自包括多个子像素的像素; 和扫描信号线,扫描信号线被分成组,每组包括多条扫描信号线,这些组被顺序选择,当所选择的组被改变时,信号电位的极性POL被反转 在前一组之后选择的前一组到后一组,在前一组中的最后水平扫描(G23的扫描)对应的水平扫描周期之间插入多个(例如两个)虚拟扫描周期 以及对应于后续组中的第一次水平扫描(G2的扫描)的水平扫描时段和属于在每个虚拟扫描期间在前一组被进行虚拟扫描之后选择的组的扫描信号线(例如,G2) 期间使其活动一段预定的时间,然后停用。 通过该结构,可以抑制在多像素模式液晶显示装置中进行块反转驱动的情况下发生的水平状的不均匀。