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    • 2. 发明授权
    • Backlight device and liquid crystal display device
    • 背光装置和液晶显示装置
    • US07508467B2
    • 2009-03-24
    • US10568128
    • 2005-06-10
    • Ryota OdakeToshitaka KawashimaShuji MoroHiroyuki Okita
    • Ryota OdakeToshitaka KawashimaShuji MoroHiroyuki Okita
    • G02F1/1335G02F1/1339
    • G02F1/133603G02F1/133605G02F1/133609G02F1/133611G02F2203/09
    • A backlight device includes a light source (21) arranged in a casing (23) opened in a light radiating surface (20a), so that the light source faces the light radiating surface (20a) and radiates light towards the light radiating surface (20a), a light transmitting reflecting plate (25) arranged in the casing for delimiting a space inclusive of the light source (21) and adapted for transmitting a fraction of the incident light and for reflecting another fraction of the incident light, and a light transmitting diffusing plate (41) arranged on the light radiating surface (20a) of the casing (23) for diffusing the light transmitted through the light transmitting reflecting plate (25) and for causing surface light radiation. A light reflecting surface (24) is formed on the inner surface of the casing (23). A portion of light radiated by the light source (21) is internally reflected by the light transmitting reflecting plate (25) and by the light reflecting surface (24), in a space delimited in the casing (23) by the light transmitting reflecting plate (25), after which the light portion is transmitted through the light transmitting reflecting plate (25).
    • 背光源装置包括布置在在光辐射表面(20a)上开口的壳体(23)中的光源(21),使得光源面向光辐射表面(20a)并朝向光辐射表面(20a)发射光 ),布置在壳体中的光透射反射板(25),用于限定包括光源(21)的空间,并适于透射一部分入射光并用于反射另一​​部分入射光,以及透光 扩散板(41),布置在壳体(23)的光辐射表面(20a)上,用于扩散透过透光反射板(25)的光并引起表面光辐射。 在壳体(23)的内表面上形成有光反射面(24)。 由光源(21)辐射的光的一部分在透光反射板(25)和光反射面(24)的内部被透光反射板 (25),之后光透射通过透光反射板(25)。
    • 3. 发明授权
    • Display method for display apparatus
    • 显示装置的显示方法
    • US07483014B2
    • 2009-01-27
    • US10514741
    • 2003-05-16
    • Masanobu TanakaRyota OdakeKenichi Takahashi
    • Masanobu TanakaRyota OdakeKenichi Takahashi
    • G09G3/38
    • G02F1/163G02F1/1506G09G3/38G09G2310/061G09G2320/0233G09G2320/043
    • A method of driving a display apparatus with which unevenness of image is precluded and the time for display is shortened. A display apparatus for displaying an image by impressing a voltage on pixels by row electrodes and column electrodes disposed in a matrix, for example, a metal deposition type electrochemical display apparatus. A voltage not less than a threshold voltage Vth is selectively impressed on predetermined pixels by superposing an address pulse voltage Vadress-row for the row electrodes and an address voltage Vadress-col for the column electrodes on each other to thereby perform address driving, and a data sustaining pulse voltage Vsus is impressed on the row electrodes immediately after the address pulse voltage Vadress-row. The data sustaining pulse voltage Vsus satisfies the condition of the following formula: Vsus+Vadress-col
    • 驱动图像的不均匀性被抑制的显示装置的驱动方法和缩短显示时间的方法。 一种显示装置,用于通过以排列在矩阵中的行电极和列电极的像素施加电压来显示图像,例如金属沉积型电化学显示装置。 通过将行电极的寻址脉冲电压Vadress-row和列电极的寻址电压Vadress-col叠加在一起,可以选择性地将预定像素上施加不小于阈值电压Vth的电压施加到预定像素上,从而执行地址驱动 在地址脉冲电压Vadress-row之后立即将数据维持脉冲电压Vsus施加在行电极上。 数据维持脉冲电压Vsus满足下式的条件:<?in-line-formula description =“In-line formula”end =“lead”?> Vsus + Vadress-col
    • 6. 发明申请
    • Display apparatus, display method, liquid crystal driver circuit and liquid crystal driving method
    • 显示装置,显示方法,液晶驱动电路和液晶驱动方法
    • US20050156846A1
    • 2005-07-21
    • US11000242
    • 2004-11-30
    • Ryota OdakeToshitaka KawashimaMitsunori Ueda
    • Ryota OdakeToshitaka KawashimaMitsunori Ueda
    • G02F1/133G09G3/20G09G3/36
    • G09G3/3622G09G2300/0486G09G2310/06G09G2310/063
    • A display apparatus displays information by changing a state of cholesteric liquid crystal with a first driver applying a bipolar voltage to the first electrode, and a second driver for applying a bipolar voltage to the second electrode, the bipolar voltage being of inverted characteristics of the bipolar voltage to be applied to the first electrode. The display apparatus includes a controller controlling the first driver to apply the bipolar voltage to the first electrode a plurality of times in a predetermined period and controlling the second driver to apply to the second electrode the bipolar voltage of the inverted characteristics of the bipolar voltage to be applied to the first electrode, at a same timing as an application of the bipolar voltage to the first electrode, whereby changing a state of cholesteric liquid crystal of a predetermined pixel to a predetermined state.
    • 显示装置通过利用向第一电极施加双极性电压的第一驱动器改变胆甾型液晶的状态来显示信息,以及用于向第二电极施加双极性电压的第二驱动器,双极性电压是双极性的反相特性 施加到第一电极的电压。 所述显示装置包括:控制器,控制所述第一驱动器,以在预定周期内将所述双极性电压施加到所述第一电极多次,并且控制所述第二驱动器向所述第二电极施加所述双极性电压的反相特性的双极性电压, 在与向第一电极施加双极性电压的同一时刻施加到第一电极,由此将预定像素的胆甾醇型液晶的状态改变到预定状态。
    • 7. 发明授权
    • Flat display apparatus
    • 平板显示装置
    • US06426595B1
    • 2002-07-30
    • US09499542
    • 2000-02-07
    • Ryota OdakeYoshio SuzukiAtsushi Matsuzaki
    • Ryota OdakeYoshio SuzukiAtsushi Matsuzaki
    • G09G310
    • G09G3/3216G09G3/20G09G2300/026G09G2310/0221H01L27/3288H01L27/3293
    • A flat display apparatus having improved luminance, contrast and response of display, and applicable for assembling a large flat display apparatus free from the discontinuity of display and having improved luminance, contrast and response of display. The flat display apparatus includes a plurality of signal electrodes divided into at least three regions; a plurality of scanning electrodes intersecting to the plurality of signal electrodes; and a plurality of displaying signal supplying circuits for independently supplying display signals to the signal electrodes in each divided region. The flat display apparatus may include a display panel in which a plurality of signal electrodes and a plurality of scanning electrodes are intersected. The signal electrodes are divided into two or more regions, and a plurality of feeding portions for supplying signal to the signal electrodes are provided on a rear surface of the display panel.
    • 具有改进的亮度,对比度和显示响应的平面显示装置,并且适用于组装没有显示不连续性的大型平面显示装置,并具有改善的显示亮度,对比度和响应。 平面显示装置包括分成至少三个区域的多个信号电极; 与所述多个信号电极相交的多个扫描电极; 以及多个显示信号供给电路,用于在每个分割区域中独立地向信号电极提供显示信号。 平面显示装置可以包括多个信号电极和多个扫描电极相交的显示面板。 信号电极被分成两个或更多个区域,并且在显示面板的后表面上设置有用于向信号电极提供信号的多个馈送部分。
    • 9. 发明授权
    • Display apparatus, display method, liquid crystal driver circuit and liquid crystal driving method
    • 显示装置,显示方法,液晶驱动电路和液晶驱动方法
    • US07379059B2
    • 2008-05-27
    • US11000242
    • 2004-11-30
    • Ryota OdakeToshitaka KawashimaMitsunori Ueda
    • Ryota OdakeToshitaka KawashimaMitsunori Ueda
    • G06F3/038G09G3/36
    • G09G3/3622G09G2300/0486G09G2310/06G09G2310/063
    • A display apparatus displays information by changing a state of cholesteric liquid crystal with a first driver applying a bipolar voltage to the first electrode, and a second driver for applying a bipolar voltage to the second electrode, the bipolar voltage being of inverted characteristics of the bipolar voltage to be applied to the first electrode. The display apparatus includes a controller controlling the first driver to apply the bipolar voltage to the first electrode a plurality of times in a predetermined period and controlling the second driver to apply to the second electrode the bipolar voltage of the inverted characteristics of the bipolar voltage to be applied to the first electrode, at a same timing as an application of the bipolar voltage to the first electrode, whereby changing a state of cholesteric liquid crystal of a predetermined pixel to a predetermined state.
    • 显示装置通过利用向第一电极施加双极性电压的第一驱动器改变胆甾型液晶的状态来显示信息,以及用于向第二电极施加双极性电压的第二驱动器,双极性电压是双极性的反相特性 施加到第一电极的电压。 所述显示装置包括:控制器,控制所述第一驱动器,以在预定周期内将所述双极性电压施加到所述第一电极多次,并且控制所述第二驱动器向所述第二电极施加所述双极性电压的反相特性的双极性电压, 在与向第一电极施加双极性电压的同一时刻施加到第一电极,由此将预定像素的胆甾醇型液晶的状态改变到预定状态。
    • 10. 发明申请
    • Display device, display method, liquid crytal drive circuit, and liquid crystal drive method
    • 显示装置,显示方式,液体驱动电路和液晶驱动方式
    • US20060267890A1
    • 2006-11-30
    • US10542000
    • 2004-01-21
    • Ryota OdakeMitsunori UedaHideo Kawabe
    • Ryota OdakeMitsunori UedaHideo Kawabe
    • G09G3/36
    • G09G3/3629G02F1/13306G09G3/3696G09G2300/0486G09G2310/0278G09G2310/06G09G2310/063
    • The present invention relates to a display device, display method, a liquid crystal driving circuit, and liquid crystal driving method, which enable cholesteric liquid crystal to be driven with a low voltage. Reference voltage GNDc supplied to a column driver and reference voltage GNDr supplied to a row driver are GND (0 V). GNDr is connected to row electrodes X1 to X3, and GNDc is connected to column electrodes Y1 to Y3. In addition, switches are controlled to supply voltage (V1+V2) to GNDr in a predetermined time width. Voltage (−V1−V2) is supplied to GNDc in a predetermined time width. This applies bipolar pulses of (V1+V2) to inter-pixel-electrode portions of pixels (X1, Y1) to (X3, Y3), whereby a cholesteric liquid crystal layer enters a planar state, so that the entire surface is reset to be in the planar state. The present invention can be applied to liquid crystal display devices and driving circuits for liquid crystal display devices.
    • 显示装置,显示方法,液晶驱动电路和液晶驱动方法技术领域本发明涉及能够以低电压驱动胆甾型液晶的显示装置,显示方法,液晶驱动电路和液晶驱动方法。 提供给列驱动器的参考电压GNDc和提供给行驱动器的参考电压GNDr为GND(0V)。 GNDr与行电极X 1〜X 3连接,GNDc与列电极Y 1〜Y 3连接。 此外,控制开关以在预定时间宽度内向GNDr供应电压(V 1 + V 2)。 电压(-V 1 -V 2)以规定的时间宽度供给GNDc。 这样,将(V 1 + V 2)的双极脉冲施加到像素(X 1,Y 1)至(X 3,Y 3)的像素间电极部分,由此胆甾型液晶层进入平面状态, 整个表面复位成平面状态。 本发明可以应用于液晶显示装置和液晶显示装置的驱动电路。