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    • 34. 发明授权
    • Liquid crystal panel having tilted liquid crystal molecules and liquid crystal display using the liquid crystal panel
    • 具有倾斜液晶分子的液晶面板和使用液晶面板的液晶显示器
    • US06507381B1
    • 2003-01-14
    • US09079285
    • 1998-05-15
    • Yoko KatsuyaShinji ShimadaKiyoshi OgishimaYutaka Takafuji
    • Yoko KatsuyaShinji ShimadaKiyoshi OgishimaYutaka Takafuji
    • G02F1133
    • G02F1/1393G02F1/1337G02F2001/13373G02F2001/133742G09G3/3614
    • A liquid crystal layer, made of a liquid crystal material having a negative dielectric anisotropy, is sealed between an opposing substrate and a pixel substrate that are arranged face to face with each other; thus, a liquid crystal panel of the birefringence control type is constructed. In this liquid crystal panel, the liquid crystal molecules, provided as the liquid crystal material, are kept in an oriented state in which they incline by an angle in the range of 3° to 10° with respect to the direction that is normal to the opposing substrate and the pixel substrate. Upon application of a driving voltage to the liquid crystal layer, since the pretilt angle, which is the initial angle of inclination of the liquid crystal molecules, is set at a value greater than that of a conventional apparatus, the occurrence of reverse tilt regions can be suppressed. Thus, the disclination line, which is formed by the effect of electric potentials exerted between the adjacent pixels, is shifted toward the edge of the pixel. The shift of the disclination line suppresses the occurrence of disclination in a wider region, thereby increasing the effective reflectance of the pixels.
    • 由具有负介电各向异性的液晶材料制成的液晶层被密封在彼此面对面配置的相对基板和像素基板之间; 因此,构成了双折射控制型的液晶面板。 在该液晶面板中,设置为液晶材料的液晶分子被保持在取向状态,在该取向状态下,它们相对于垂直于液晶的方向倾斜3°至10°的范围 相对的基板和像素基板。 在向液晶层施加驱动电压时,由于作为液晶分子的初始倾斜角度的预倾角被设定为大于常规装置的值,所以反向倾斜区域的出现可以 被压制 因此,通过施加在相邻像素之间的电位的作用形成的旋错线朝向像素的边缘移动。 旋错线的偏移抑制了较宽区域中的旋错的发生,从而增加了像素的有效反射率。
    • 36. 发明授权
    • Dynamic focus circuit and display device
    • 动态聚焦电路和显示设备
    • US5614792A
    • 1997-03-25
    • US233340
    • 1994-04-26
    • Kiyoshi OgishimaHiroyuki Ikegami
    • Kiyoshi OgishimaHiroyuki Ikegami
    • H04N3/26H01J29/58
    • H04N3/26
    • A dynamic focus circuit used in a display device having a cathode ray tube and adapted for controlling convergence of an electron beam of the cathode ray tube. In the dynamic focus circuit, a horizontal deflection circuit generates a saw-tooth-wave current and a flyback transformer generates a high voltage for accelerating an electron beam. An orthogonal transformer receives a signal corresponding to the saw-tooth-wave current through a primary winding via the flyback transformer while receiving a control signal of a control circuit through a control winding and generates a dynamic focus voltage through a secondary winding. A capacitor supplies the dynamic focus voltage to a cathode ray tube. Thus, it is possible to produce a device of compact structure and to generate a satisfactory dynamic focus voltage.
    • 一种用于具有阴极射线管并适于控制阴极射线管的电子束会聚的显示装置中的动态聚焦电路。 在动态聚焦电路中,水平偏转电路产生锯齿波电流,回扫变压器产生用于加速电子束的高电压。 正交变压器通过回扫变压器接收通过初级绕组的锯齿波电流的信号,同时通过控制绕组接收控制电路的控制信号,并通过次级绕组产生动态聚焦电压。 电容器将动态聚焦电压提供给阴极射线管。 因此,可以制造紧凑结构的装置并产生令人满意的动态聚焦电压。