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    • 52. 发明申请
    • ELECTRO-OPTICAL DEVICE, DRIVING CIRCUIT, AND ELECTRONIC APPARATUS
    • 电光设备,驱动电路和电子设备
    • US20090015570A1
    • 2009-01-15
    • US12107512
    • 2008-04-22
    • Katsunori YAMAZAKI
    • Katsunori YAMAZAKI
    • G06F3/038
    • G09G3/3677G09G3/3655G09G2300/0434G09G2310/04G09G2320/0233
    • Pixels include liquid crystal capacitors and holding capacitors having first ends connected to pixel electrodes and second ends connected to common electrodes corresponding to the first to 320th rows. A common electrode driving circuit includes TFTs for individual rows. In a partial mode, when a period in which a level of a scanning signal is high is long, a control signal Vg-c is brought to a high level during the period so that the TFTs are turned on. Since gate voltages are applied to the TFTs, a problem in that the gate voltages are reduced due to voltage leakage and the common electrodes are brought into high-impedance states is avoided. Alternatively, potentials of the common electrodes are fixed to a voltage of a common signal, which is a low-level when positive-polarity writing is specified to all the rows and a high-level when negative-polarity writing is specified to all the rows.
    • 像素包括液晶电容器和保持电容器,其第一端连接到像素电极,第二端连接到对应于第一至第320行的公共电极。 公共电极驱动电路包括用于各行的TFT。 在部分模式中,当扫描信号电平高的周期长时,在该周期期间使控制信号Vg-c变为高电平,使得TFT导通。 由于栅极电压施加到TFT,所以避免了由于电压泄漏而使栅极电压降低并且公共电极进入高阻抗状态的问题。 或者,公共电极的电位固定为公共信号的电压,当对所有行指定正极性写入时,该公共信号为低电平,当向所有行指定负极性写入时为高电平 。
    • 54. 发明申请
    • LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS
    • 液晶装置和电子装置
    • US20080303988A1
    • 2008-12-11
    • US12136431
    • 2008-06-10
    • Toshiharu MATSUSHIMA
    • Toshiharu MATSUSHIMA
    • G02F1/1335
    • G02F1/133634G02F1/134363G02F2202/40
    • The transmission axis of the first polarizing plate is approximately perpendicular to an initial alignment axis of liquid crystal molecules of a liquid crystal layer of the liquid crystal panel. The first and second phase difference layers are optically positive uniaxial. The first phase difference layer has a first phase-lag axis that is approximately parallel to a surface of the first phase difference layer and is approximately perpendicular to the initial alignment axis, and the second phase difference layer has a second phase-lag axis that is approximately perpendicular to the surface of the second phase difference layer. The relationship between a phase difference value Ra of the first phase difference layer and a phase difference value Rc of the second phase difference layer satisfies “105 [nm]≦Ra≦165 [nm]” and “55 [nm]≦Rc≦115 [nm]”.
    • 第一偏振片的透射轴大致垂直于液晶面板的液晶层的液晶分子的初始取向轴。 第一和第二相位差层是光学正单轴的。 第一相位差层具有大致平行于第一相位差层的表面并且大致垂直于初始对准轴的第一相位滞后轴,并且第二相位差层具有第二相位滞后轴, 大致垂直于第二相位差层的表面。 第一相位差层的相位差值Ra与第二相位差层的相位差值Rc之间的关系满足“105 [nm]≤Ra<= 165 [nm]”,“55 [nm] Rc <= 115 [nm]“。
    • 55. 发明申请
    • Display device
    • 显示设备
    • US20080284954A1
    • 2008-11-20
    • US12008676
    • 2008-01-11
    • Kimitaka KamijoKeiji TakizawaToshinori UeharaTomoyuki Nakano
    • Kimitaka KamijoKeiji TakizawaToshinori UeharaTomoyuki Nakano
    • G02F1/1335
    • G02F1/133555G02F1/133514G02F2001/133374
    • A liquid crystal display device 1 has subpixels 10 having a light-transmissive region 10a and a light-reflective region 10b. A color filter layer 50 corresponding to an identification pattern 70 that it is desired to be displayed when the liquid crystal display device 1's power is off is formed at the light-reflective regions lob, so that even when the liquid crystal display device 1 is in the non-driven state, incident external light emerges as outgoing light having the colors of the color layers corresponding to the identification pattern, and hence the identification pattern can be displayed. Thus, any desired pattern can be displayed in the liquid crystal display device's non-driven state, so that a liquid crystal display device with extensive expression and superior display characteristics is provided.
    • 液晶显示装置1具有具有透光区域10a和反射区域10b的子像素10。 在液晶显示装置1的电源关闭时,与液晶显示装置1的电源关闭时希望显示的识别图案70对应的滤色器层50形成在反射区域lob,使得即使液晶显示装置1 处于非驱动状态时,入射的外部光作为具有与识别图案对应的彩色层的颜色的出射光而出现,因此能够显示识别图案。 因此,可以在液晶显示装置的非驱动状态下显示任何期望的图案,从而提供具有广泛表现和优异的显示特性的液晶显示装置。
    • 57. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS
    • 液晶显示装置和电子装置
    • US20080273152A1
    • 2008-11-06
    • US12107210
    • 2008-04-22
    • Toshiharu MATSUSHIMA
    • Toshiharu MATSUSHIMA
    • G02F1/13363
    • G02F1/13363G02F2413/08
    • In a transflective type liquid crystal display device of an FFS system, a plurality of pixels has a transmissive display area for emitting transmissive display light and a reflective display area for emitting reflective display light, and the reflective display area is equipped with a retardation layer. Polarization axes of polarizers are perpendicular to each other and an alignment direction of the liquid crystal layer is parallel to or perpendicular to the polarization axis of the first polarizer. The angle of a slow axis of the retardation layer is not less than 20° and not more than 25° or not less than 60° and not more than 75° with respect to the polarization axis of the first polarizer. A retardation value of the liquid crystal layer in the reflective area exceeds a quarter wavelength, and a retardation value of the retardation layer exceeds a half wavelength.
    • 在FFS系统的透反式液晶显示装置中,多个像素具有用于发射透射显示光的透射显示区域和用于发射反射显示光的反射显示区域,并且反射显示区域配备有延迟层。 偏振器的偏振轴彼此垂直,并且液晶层的取向方向平行于或垂直于第一偏振器的偏振轴。 延迟层的慢轴的角度相对于第一偏振片的偏振轴为20°以上且25°以下,不低于75°。 反射区域中的液晶层的延迟值超过四分之一波长,延迟层的延迟值超过半波长。
    • 58. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US07443459B2
    • 2008-10-28
    • US11475185
    • 2006-06-27
    • Taizo KawamuraToshio Ikeuchi
    • Taizo KawamuraToshio Ikeuchi
    • G02F1/1333
    • G02B6/0081
    • To provide a liquid crystal display device that can be realized at lower cost, there are provided a liquid crystal panel 2, a liquid crystal shutter 3 and a light guide plate 4 placed behind the liquid crystal panel 2 in the order named, a lamp set 6a facing an end face of the light guide plate 4, a frame body 8 that supports edge portions of the liquid crystal panel 2, the liquid crystal shutter 3, and the light guide plate 4, a fixing plate 7 having a flat portion behind the light guide plate 4 and a side face that supports the lamp set 6a, a supporting plate 40 that is located behind the fixing plate 7 at a first distance away therefrom and that is partially supported by the fixing plate 7, a circuit board 20 placed behind the supporting plate 40, and a flexible circuit board 36 having one end connected to the edge portion of the liquid crystal panel 2 and the other end connected to an edge portion of the circuit board 20.
    • 为了提供可以以较低成本实现的液晶显示装置,提供了一种液晶面板2,液晶快门3和以液晶面板2的后面放置的导光板4,灯组 6a,其面对导光板4的端面,支撑液晶面板2,液晶快门3和导光板4的边缘部分的框架体8,具有平坦部分的固定板7 导光板4和支撑灯组件6a的侧面,位于固定板7的后方的第一距离处并由固定板7部分支撑的支撑板40,电路板20 放置在支撑板40的后面,以及柔性电路板36,其一端连接到液晶面板2的边缘部分,另一端连接到电路板20的边缘部分。
    • 60. 发明申请
    • POWER SUPPLY CIRCUIT AND DISPLAY DEVICE THEREWITH
    • 电源电路和显示设备
    • US20080238535A1
    • 2008-10-02
    • US12022883
    • 2008-01-30
    • Hiroyuki HORIBATA
    • Hiroyuki HORIBATA
    • G05F1/10G06F3/038
    • G09G3/3696G09G2330/02G09G2330/021H02M3/07
    • An unnecessary through current is suppressed and insufficiency of an output electric potential and increase in power consumption are suppressed in a power supply circuit using a charge pump method. In order to suppress a reduction in an output electric potential VPP as well as suppressing transient through currents I1 and I2 when a clock DCCLK is inverted, resistances R1 of a wiring 11, R2 of a wiring 12 and R4 of a wiring 14 are set so as to satisfy relations R4>R1 and R4>R2. That is, the through currents I1 and I2 can be suppressed by reducing the resistances R1 and R2 so that electric potentials V1 and V2 are quickly inverted when the clock DCCLK is inverted. Also, the through current I1 can be suppressed to suppress the reduction in the positive output electric potential VPP by setting the resistance R4 to be larger than either of the resistances R1 and R2.
    • 抑制不必要的通过电流,并且使用电荷泵法在电源电路中抑制输出电位的不足和功耗的增加。 为了抑制输出电位VPP的降低以及当时钟DCCLK反相时抑制通过电流I 1和I 2的瞬态,布线11的电阻R 1,布线12的R 2和布线12的R 4的电阻R 1 布线14被设定为满足关系R 4> R 1和R 4> R 2。 也就是说,通过降低电阻R 1和R 2可以抑制贯通电流I 1和I 2,使得当时钟DCCLK反相时,电位V 1和V 2迅速反转。 此外,通过将电阻R 4设定为大于电阻R 1和R 2中的任一个,可以抑制贯通电流I 1以抑制正输出电位VPP的减小。