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    • 43. 发明申请
    • PLASMA DISPLAY PANEL DRIVING METHOD AND PLASMA DISPLAY DEVICE
    • 等离子显示面板驱动方法和等离子体显示装置
    • US20120280954A1
    • 2012-11-08
    • US13520696
    • 2011-01-19
    • Naoyuki TomiokaTakahiko OriguchiHidehiko Shoji
    • Naoyuki TomiokaTakahiko OriguchiHidehiko Shoji
    • G09G5/00G09G3/28
    • G09G3/296G09G3/2022G09G3/2927G09G3/293G09G2310/0218
    • Stable address discharge is caused even in a plasma display panel where the definition is enhanced and the screen is enlarged. For this purpose, in a driving method of a plasma display panel, the image display region of the panel is divided into a plurality of partial display regions each of which includes a plurality of consecutively arranged scan electrodes. In each partial display region, a sequential address operation of sequentially applying scan pulses to the scan electrodes based on the arranging sequence of the scan electrodes on the panel is performed in the address period. To the scan electrode to which a scan pulse is to be firstly applied in the address period, a scan pulse of which the pulse width is set longer than that of the scan pulse to be applied to the other scan electrodes is applied.
    • 甚至在等离子体显示面板中也引起了稳定的寻址放电,其中定义被增强并且屏幕被放大。 为此,在等离子体显示面板的驱动方法中,将面板的图像显示区域划分为多个部分显示区域,每个部分显示区域包括多个连续排列的扫描电极。 在每个部分显示区域中,在寻址周期中执行基于面板上的扫描电极的布置顺序将扫描脉冲顺序地施加到扫描电极的顺序地址操作。 对于在寻址周期中要首先施加扫描脉冲的扫描电极,施加脉冲宽度被设定为长于施加到其它扫描电极的扫描脉冲的扫描脉冲的扫描脉冲。
    • 46. 发明申请
    • DRIVING METHOD FOR PLASMA DISPLAY PANEL, AND PLASMA DISPLAY DEVICE
    • 等离子体显示面板的驱动方法和等离子体显示装置
    • US20120092394A1
    • 2012-04-19
    • US13378188
    • 2010-06-17
    • Hidehiko ShojiTakahiko OriguchiNaoyuki Tomioka
    • Hidehiko ShojiTakahiko OriguchiNaoyuki Tomioka
    • G09G3/28G09G5/10
    • G09G3/296G09G3/2022G09G3/293G09G2310/0213G09G2330/025G09G2340/16G09G2360/16
    • A stable address discharge is caused by preventing an increase in the necessary scan pulse voltage (amplitude), and thereby achieves high image display quality. For this purpose, the image display area of a plasma display panel is divided into a plurality of regions, and a partial light-emitting rate is detected in each region. The partial light-emitting rate in a current subfield is set as a first partial light-emitting rate. The partial light-emitting rate used for magnitude comparison between the partial light-emitting rates in a subfield identical with the current subfield in a field immediately preceding the field to which the current subfield belongs to is set as a second partial light-emitting rate. The absolute value of the difference between the first partial light-emitting rate and the second partial light-emitting rate is calculated in each region. In the region where the value is equal to or larger than a light-emitting rate threshold value, the first partial light-emitting rate is used for the magnitude comparison between the partial light-emitting rates in the current subfield. In the region where the value is smaller than the light-emitting rate threshold value, the second partial light-emitting rate is used for the magnitude comparison between the partial light-emitting rates in the current subfield.
    • 通过防止必要的扫描脉冲电压(振幅)的增大,可以实现稳定的寻址放电,从而实现高的图像显示质量。 为此,等离子体显示面板的图像显示区域被划分为多个区域,并且在每个区域中检测到部分发光率。 将当前子场中的部分发光率设定为第一部分发光率。 将与当前子场所属的场之前的场中与当前子场相同的子场中的部分发光率之间的幅度比较的部分发光率设定为第二部分发光率。 在各区域中计算出第一部分发光率与第二部分发光率之差的绝对值。 在该值等于或大于发光率阈值的区域中,第一部分发光率用于当前子场中的部分发光率之间的幅度比较。 在该值小于发光率阈值的区域中,将第二部分发光率用于当前子场中的部分发光率之间的幅度比较。
    • 47. 发明申请
    • PLASMA DISPLAY DEVICE
    • 等离子体显示设备
    • US20120013615A1
    • 2012-01-19
    • US13258175
    • 2011-03-11
    • Kaname MizokamiShinsuke YoshidaTakahiko OriguchiYuya Shiozaki
    • Kaname MizokamiShinsuke YoshidaTakahiko OriguchiYuya Shiozaki
    • G06T15/00G09G3/28
    • H01J11/40H01J11/12H04N5/70
    • Provided is a plasma display device including a plasma display panel that performs gradation display of an image by a sub-field driving method. A protective layer of the plasma display panel includes a base layer formed on a dielectric layer and a plurality of aggregated particles dispersed all over a surface of the base layer. The plasma display device forms an image by a right-eye field in which a right-eye image signal is displayed and a left-eye field in which a left-eye image signal is displayed. The right-eye field and the left-eye field have a plurality of sub-fields. The first sub-field has a minimum luminance weight, the second sub-field has a maximum luminance weight, and the third and subsequent sub-fields have luminance weights decreasing in sequence.
    • 提供了一种等离子体显示装置,其包括通过子场驱动方法执行图像的灰度显示的等离子体显示面板。 等离子体显示面板的保护层包括形成在电介质层上的基底层和分散在基底层的整个表面上的多个凝集颗粒。 等离子体显示装置通过其中显示右眼图像信号的右眼场和显示左眼图像信号的左眼场来形成图像。 右眼场和左眼场具有多个子场。 第一子场具有最小亮度权重,第二子场具有最大亮度权重,并且第三子场和后续子场依次具有减小的亮度权重。
    • 48. 发明申请
    • PLASMA DISPLAY DEVICE AND PLASMA DISPLAY PANEL DRIVING METHOD
    • 等离子体显示装置和等离子显示面板驱动方法
    • US20110210992A1
    • 2011-09-01
    • US13127609
    • 2009-11-11
    • Tomoyuki SaitoTakahiko Origuchi
    • Tomoyuki SaitoTakahiko Origuchi
    • G09G5/10
    • G09G3/294G09G3/2022G09G3/2927G09G2310/0232G09G2310/066G09G2320/0233G09G2330/021G09G2360/16
    • The image display quality is improved by uniforming the display luminance. For that purpose, the plasma display device has a plasma display panel, and image signal processing circuit. Image signal processing circuit includes loading correcting section. Section includes number-of-lit-cells calculating section for calculating the number of discharge cells to be lit for each display electrode pair in each subfield, load value calculating section for calculating the load value of each discharge cell based on the calculation result by number-of-lit-cells calculating section, correction gain calculating section for calculating the correction gain of each discharge cell based on the calculation result by load value calculating section and the positions of the discharge cells, and correcting section for subtracting, from an input image signal, the result derived by multiplying the input image signal by the output from correction gain calculating section.
    • 通过使显示亮度均匀化来提高图像显示质量。 为此,等离子体显示装置具有等离子体显示面板和图像信号处理电路。 图像信号处理电路包括加载校正部。 部分包括用于计算每个子场中的每个显示电极对的要点亮的放电单元数量的光电单元计算部分,负载值计算部分,用于根据计算结果以数量计算每个放电单元的负载值 光电单元计算部分,校正增益计算部分,用于根据负载值计算部分的计算结果和放电单元的位置计算每个放电单元的校正增益;以及校正部分,用于从输入图像中减去 信号,通过将输入图像信号乘以校正增益计算部分的输出得到的结果。
    • 49. 发明申请
    • PLASMA DISPLAY DEVICE AND METHOD FOR DRIVING PLASMA DISPLAY PANEL
    • 等离子体显示装置和驱动等离子体显示面板的方法
    • US20110157258A1
    • 2011-06-30
    • US13061590
    • 2009-06-03
    • Takahiko OriguchiHidehiko ShojiTomoyuki Saito
    • Takahiko OriguchiHidehiko ShojiTomoyuki Saito
    • G09G3/28G09G5/10
    • G09G3/293G09G3/296G09G2310/0218G09G2360/16H04N5/66
    • A stable address discharge is caused to enhance the image display quality. For this purpose, a plasma display panel, a scan electrode driving circuit, and a partial light-emitting rate detecting circuit are provided. The scan electrode driving circuit performs an address operation by applying a scan pulse to scan electrodes in address periods. The partial light-emitting rate detecting circuit divides the display area of the plasma display panel into a plurality of regions, and detects a rate of the number of discharge cells to be lit with respect to the number of all the discharge cells in each region, as a partial light-emitting rate, in each subfield. In a predetermined subfield where the number of sustain pulses is smaller than the number of sustain pulses in the immediately preceding subfield, the scan electrode driving circuit changes the order of applying the scan pulse to the scan electrodes, according to the partial light-emitting rates in the immediately preceding subfield.
    • 引起稳定的寻址放电,提高图像显示质量。 为此,提供了等离子体显示面板,扫描电极驱动电路和部分发光速率检测电路。 扫描电极驱动电路通过在寻址周期中对扫描电极施加扫描脉冲来执行寻址操作。 部分发光率检测电路将等离子体显示面板的显示区域划分为多个区域,并且相对于每个区域中的所有放电单元的数量来检测放电单元数量的点亮率, 作为部分发光率,在每个子场中。 在维持脉冲数小于前一个子场中的维持脉冲数的预定子场中,扫描电极驱动电路根据部分发光率改变对扫描电极施加扫描脉冲的顺序 在前一个子场。
    • 50. 发明申请
    • PLASMA DISPLAY DEVICE AND DRIVE METHOD OF PLASMA DISPLAY PANEL
    • 等离子体显示装置的等离子显示装置和驱动方法
    • US20110050752A1
    • 2011-03-03
    • US12863668
    • 2009-05-13
    • Takahiko OriguchiHidehiko ShojiKazuhiro Yamada
    • Takahiko OriguchiHidehiko ShojiKazuhiro Yamada
    • G09G5/10G09G3/20
    • G09G3/2983G09G3/2022G09G3/2051G09G2300/0426G09G2320/0209G09G2320/0266G09G2330/021G09G2360/16
    • Crosstalk between adjacent discharge cells is reduced for a stable sustain discharge. A plasma display panel has scan electrodes and sustain electrodes arranged so that the positions of the corresponding scan electrode and sustain electrode are alternately interchanged in each display electrode pair, and image signal processing circuit converts an image signal into image data indicating light emission and no light emission in each discharge cell in each subfield. The image signal processing circuit generates the image data so that a combination of image data is avoided. One of two adjacent discharge cells having side-by-side scan electrodes is lit and the other of the discharge cells is unlit in one subfield of a plurality of subfields forming one field, and the one of the discharge cells is unlit and the other of the discharge cells is lit in a subfield after the one subfield in the same field.
    • 降低相邻放电单元之间的串扰以实现稳定的维持放电。 等离子体显示面板具有扫描电极和维持电极,其布置成使得相应的扫描电极和维持电极的位置在每个显示电极对中交替地交换,并且图像信号处理电路将图像信号转换为指示发光的图像数据,并且不发光 每个子场中的每个放电单元的发射。 图像信号处理电路生成图像数据,从而避免图像数据的组合。 具有并排扫描电极的两个相邻的放电单元之一被点亮,并且另一个放电单元在形成一个场的多个子场中的一个子场中不亮,并且一个放电单元是不亮的,另一个 放电单元在同一场的一个子场之后的子场中点亮。