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    • 52. 发明申请
    • LIQUID CRYSTAL DEVICE, METHOD FOR DRIVING THE SAME, AND PROJECTION DISPLAY AND ELECTRONIC EQUIPMENT MADE USING THE SAME
    • 液晶装置,其驱动方法,投影显示和使用其的电子设备
    • WO1999004385A1
    • 1999-01-28
    • PCT/JP1997003601
    • 1997-10-08
    • SEIKO EPSON CORPORATIONAOKI, Toru
    • SEIKO EPSON CORPORATION
    • G09G03/36
    • G09G3/3648G09G3/001G09G3/3614G09G2310/0248G09G2320/0223G09G2340/02
    • A liquid crystal device which can prevent the deterioration of the picture quality caused by the delay of the signal propagating speed at switching time, and by a load degraded by parasitic capacitances and parasitic resistances in the supplying routes of precharging signals and horizontal scanning signals. The time interval (T4) from the end of a precharging period T2 in the m-th horizontal scanning period till the start of the first sampling period in the m-th horizontal scanning period is set longer than the signal propagation delay time at a precharging switch (172) connected to a data signal line S1. In order to set the time interval (T4) in the above-mentioned way, the time interval (T1) from the end of the precharging period (T2) till the time at which the shift data signal (DX) of an X-driver (104) becomes active is set longer than the signal propagation delay time at the switch (172) connected to the line S1. In addition, the time interval (T3) from the end of the (m-1)-th horizontal scanning period till the start of the precharging period (T2) set in the m-th horizontal scanning period is set longer than the signal propagation delay time of a horizontal scanning signal h(m-1) which reaches the farthest picture element A(m-1, x) from a Y-driver (102).
    • 一种液晶装置,其可以防止由于切换时间的信号传播速度的延迟引起的图像质量的劣化,以及由预充电信号和水平扫描信号的供给路径中的寄生电容和寄生电阻降低的负载。 在第m水平扫描期间的第m水平扫描期间的第1采样周期开始之前的预充电期间T2的结束的时间间隔(T4)被设定为比预充电时的信号传播延迟时间长 开关(172)连接到数据信号线S1。 为了以上述方式设定时间间隔(T4),从预充电期间(T2)结束到X驱动器的移位数据信号(DX)的时间间隔(T1) (104)变为有效的时间长于连接到线路S1的开关(172)处的信号传播延迟时间。 此外,从在第m水平扫描期间设定的第(m-1)水平扫描期间到预充电期间(T2)开始之间的时间间隔(T3)被设定为比信号传播 从Y驱动器(102)到达最远图像元素A(m-1,x)的水平扫描信号h(m-1)的延迟时间。
    • 54. 发明申请
    • INK-JET RECORDING HEAD
    • INK-JET记录头
    • WO1998022288A1
    • 1998-05-28
    • PCT/JP1997004150
    • 1997-11-14
    • SEIKO EPSON CORPORATIONKITAHARA, Tsuyoshi
    • SEIKO EPSON CORPORATION
    • B41J02/045
    • B41J2/14274B41J2002/14387
    • Two reservoirs (3, 4) are formed with a pressure-generating chamber (2, 2) being sandwiched therebetween. The pressure-generating chamber (2) communicates with at least either one of the reservoirs (3, 4) through an ink-feeding port (5, 6). Neighboring nozzle communication holes (7, 8) are arranged at nearly symmetrical positions on both sides of a central point of the pressure-generating chamber (2) in the lengthwise direction, being staggered in the lengthwise direction of the pressure-generating chamber (2). A partitioning wall separating the nozzle communication holes (7, 8) that are through holes from the pressure-generating chamber (2), has a height (M) nearly equal to that of a partitioning wall (N) of the pressure-generating chamber (2). Even when the pressure-generating chambers are highly densely arranged, therefore, it is possible to prevent a crosstalk caused by the partitioning wall separating the nozzle communication holes.
    • 两个储存器(3,4)形成有夹在其间的压力产生室(2,2)。 压力产生室(2)通过供墨口(5,6)与储存器(3,4)中的至少一个连通。 相邻的喷嘴连通孔(7,8)沿着长度方向布置在压力发生室(2)的中心点的两侧的几乎对称的位置,在压力发生室(2)的长度方向上交错 )。 将来自压力发生室(2)的通孔的喷嘴连通孔(7,8)分隔开的分隔壁的高度(M)几乎等于压力发生室的分隔壁(N)的高度 (2)。 因此,即使压力发生室高密度地配置,也可以防止由分隔喷嘴连通孔的分隔壁引起的串扰。
    • 55. 发明申请
    • PROJECTION DISPLAY
    • 投影显示
    • WO1998019206A1
    • 1998-05-07
    • PCT/JP1997003982
    • 1997-10-30
    • SEIKO EPSON CORPORATIONHASHIZUME, Toshiaki
    • SEIKO EPSON CORPORATION
    • G02F01/133
    • H04N9/3105
    • A lambda /4-phase-difference plate (821) is disposed on an optical path for blue light between a liquid crystal light bulb (811) for blue light and a cross-dichroic prism (813). The blue light of s-polarized light entering the liquid crystal light bulb (811) for blue light permeates as it is through a s-polarized light permeating polarization plate (811a), and is modulated by a liquid crystal panel (811b), a part of the modulated light being converted into p-polarized light, which permeates through a p-polarized light permeating polarization plate (811c) to be outputted. The outputted p-polarized light enters a lambda /4-phase-difference plate and is converted into circular polarized light and outputted to enter the cross-dichroic prism (813). The circular polarized light reflected off a red light reflecting film (831) and a blue light reflecting film (833) and entering the lambda /4-phase-difference plate (821) again is converted into s-polarized light and applied to the liquid crystal light bulb (811) for blue light but it is shut off by the p-polarized light permeating polarization plate (811c), whereby the influence upon the liquid crystal panel (811b) is prevented.
    • 在用于蓝光的液晶灯泡(811)和交叉二向色棱镜(813)之间的蓝光光路上设置λ/ 4相差板(821)。 进入用于蓝色光的液晶灯泡(811)的s偏振光的蓝色光通过s偏振光透过偏振板(811a)透过,并被液晶面板(811b)调制, 调制光的一部分被转换为p偏振光,其透过p偏振光透射偏振板(811c)输出。 输出的p偏振光进入λ/ 4相位差板并转换为圆偏振光,并输出进入交叉二向色棱镜(813)。 从红色光反射膜(831)和蓝色光反射膜(833)反射并再次进入λ/ 4相位差板(821)的圆偏振光转换成s偏振光并施加到液体 用于蓝色光的水晶灯泡(811),但是被p偏振光透过偏振片(811c)切断,从而防止对液晶面板(811b)的影响。
    • 58. 发明申请
    • METHOD AND APPARATUS FOR BONDING OF ADHESIVE TAPE OF LIQUID CRYSTAL PANEL
    • 用于粘结液晶面板胶粘带的方法和装置
    • WO1998014822A1
    • 1998-04-09
    • PCT/JP1997003578
    • 1997-10-06
    • SEIKO EPSON CORPORATION
    • SEIKO EPSON CORPORATIONSUZAWA, YuichiSASAKI, TsutomuYUI, SadaakiMAEDA, Kinichi
    • G02F01/1343
    • G02F1/13452H05K3/321H05K3/361
    • Two electrode terminals can be electrically connected always stably with each other while preventing dust, etc., from being caught between them. An extension portion (21c) of a transparent substrate (21a) of a liquid crystal panel (3) is disposed above a tape (12) inclusive of an ACF (14a). A panel support table (4) is lowered as indicated by an arrow (B) and a predetermined tape bonding surface (29) on the substrate extension portion (21c) is brought into surface-contact with the ACF (14a). Thereafter, a pair of upper and lower press-bonding heads (17a and 17b) are moved forth from a stand-by position of a solid line to an extension position of a dash line as indicated by an arrow (E), and are further moved for closing from an open position of a dash line as indicated by an arrow (F) so that the substrate extension portion (21c) and the tape (12) are heated and pressed from both of their sides and the ACF (14a) is bonded to the substrate extension portion (21c). Since the tape bonding surface (29) always faces downward during the work, dust, etc., can be prevented from attaching to it.
    • 两个电极端子可以彼此稳定地电连接,同时防止灰尘等被夹在它们之间。 液晶面板(3)的透明基板(21a)的延伸部(21c)设置在包含ACF(14a)的带(12)的上方。 如箭头(B)所示,面板支撑台(4)下降,并且在基板延伸部分(21c)上的预定带接合表面(29)与ACF(14a)表面接触。 此后,如箭头(E)所示,一对上下压接头(17a和17b)从实线的待机位置向前移动到虚线的延伸位置,并且进一步 从箭头(F)所示的虚线的打开位置移动以使基板延伸部(21c)和带(12)从两侧被加热并按压,并且ACF(14a)是 结合到基板延伸部分(21c)。 由于在工作期间带粘合面(29)总是面向下方,因此可以防止灰尘附着在其上。
    • 59. 发明申请
    • APPARATUS FOR PRESS-BONDING LIQUID CRYSTAL PANEL AND METHOD OF PRODUCTION OF LIQUID CRYSTAL DEVICE
    • 用于压接液晶板的装置和液晶装置的生产方法
    • WO1998014821A1
    • 1998-04-09
    • PCT/JP1997003577
    • 1997-10-06
    • SEIKO EPSON CORPORATION
    • SEIKO EPSON CORPORATIONSASAKI, TsutomuYUI, Sadaaki
    • G02F01/1343
    • H01L21/67132H01L2224/16225H01L2224/73204H05K13/0469
    • A press-bonding apparatus which can uniformly press the entire surface areas of electronic components such as a liquid crystal driving IC, a heat seal, etc., onto a liquid crystal panel and can bond them evenly by a simple construction. A panel support table (1) is fixed to the upper end of an elevation rod (32) erected vertically movably to a table (28). The panel support table (1) is supported by a spring (33) and a liquid crystal panel (2) is placed on this support table (1). The liquid crystal panel (2) is balanced and stops at a position at which an extension portion (3c) of a transparent substrate comes into contact with, or comes close to, the upper end of a panel receiving table (4). An IC (15) which is tentatively bonded to the substrate (3c) is pushed to the substrate (3c) by a descending press-bonding head (8) and is bonded. Since the panel support table (1) is supported by the spring (33), it can move freely in such a manner as to follow the movement of the press-bonding head (8). Therefore, the IC (15) can be pushed to the liquid crystal panel always stably under a constant state.
    • 能够将液晶驱动IC,热封等电子部件的表面积均匀地压在液晶面板上的压接装置,能够通过简单的结构将它们均匀地接合。 面板支撑台(1)固定在垂直可移动地竖立到台(28)的升降杆(32)的上端。 面板支撑台(1)由弹簧(33)支撑,液晶面板(2)放置在支撑台(1)上。 液晶面板(2)平衡,在透明基板的延伸部(3c)与面板接收台(4)的上端接触或接近的位置处停止。 暂时结合到基板(3c)的IC(15)通过下压压接头(8)被推压到基板(3c)上,并被粘接。 由于面板支撑台(1)由弹簧(33)支撑,所以可以以跟随压接头(8)的运动的方式自由移动。 因此,可以在恒定状态下始终将IC(15)稳定地推到液晶面板。