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    • 5. 发明授权
    • Self-aligned structures for improved wide viewing angle for liquid crystal displays
    • 自对准结构,用于改善液晶显示器的广视角
    • US06256080B1
    • 2001-07-03
    • US09339262
    • 1999-06-23
    • Evan G. ColganShui-Chih A. LienKai R. Schleupen
    • Evan G. ColganShui-Chih A. LienKai R. Schleupen
    • G02F11337
    • G02F1/133753G02F1/133512G02F1/133707
    • In accordance with the present invention, a liquid crystal display cell includes a first substrate having a light absorbent material patterned thereon. The light absorbent material includes a portion disposed within a pixel area. A conductive layer is formed on the light absorbent material for forming a first transparent electrode. A second electrode is spaced apart from the first electrode by a gap. The gap includes liquid crystal. A ridge or a trench is formed in the pixel area and projects into the liquid crystal. The ridge or trench is self-aligned to the portions of the light absorbent material in the pixel area. The first electrode and the second electrode provide an electric field therebetween wherein the ridge or trench provides pretilt control for the liquid crystal to provide an improved wide viewing angle and the portions of the light absorbent material absorb light leaked from the ridge. Other embodiments for active and passive displays are included as well as a method for employing the invention.
    • 根据本发明,液晶显示单元包括具有图案化的吸光材料的第一基板。 吸光材料包括设置在像素区域内的部分。 在用于形成第一透明电极的光吸收材料上形成导电层。 第二电极通过间隙与第一电极间隔开。 间隙包括液晶。 在像素区域中形成脊或沟槽并突出到液晶中。 脊或沟槽与像素区域中的光吸收材料的部分自对准。 第一电极和第二电极在其间提供电场,其中脊或沟槽为液晶提供预先控制以提供改进的宽视角,并且光吸收材料的部分吸收从脊部泄漏的光。 包括有源和无源显示器的其它实施例以及采用本发明的方法。
    • 6. 发明授权
    • Liquid crystal displays having multi-domain cells
    • 具有多域单元的液晶显示器
    • US5309264A
    • 1994-05-03
    • US879256
    • 1992-04-30
    • Shui-Chih A. LienRichard A. John
    • Shui-Chih A. LienRichard A. John
    • G02F1/1333G02F1/1335G02F1/1337G02F1/1343G02F1/1362G02F1/139
    • G02F1/134336G02F1/133512G02F1/133707G02F1/1362G02F1/1393G02F1/1396G02F2201/121G02F2201/122
    • A liquid display comprises a first substrate having a plurality of electrodes thereon, a second substrate having a common electrode, and a liquid crystal material disposed between the first substrate and the second substrate. The common electrode has a pattern of openings therein which causes display elements of the display to have more than one liquid crystal domain. The common electrode is otherwise continuous, except where the pattern of openings is located. The liquid crystal display is of the active matrix variety. It may be a multi-domain homeotropic liquid crystal display or a multi-domain twisted nematic liquid crystal display. It may be a crossover type of display wherein gate lines and data lines are disposed on one substrate and insulated from one another at crossover regions, or a non-crossover type with gate lines, pixel electrodes and active devices on one substrate and data lines having a pattern of openings in accordance with the invention on the opposite substrate.
    • 液体显示器包括其上具有多个电极的第一基板,具有公共电极的第二基板和设置在第一基板和第二基板之间的液晶材料。 公共电极具有其中的开口图案,其使显示器的显示元件具有多于一个的液晶畴。 公共电极否则是连续的,除了位于开口的图案之外。 液晶显示器是有源矩阵品种。 它可以是多畴垂直液晶显示器或多畴扭曲向列型液晶显示器。 它可以是交叉型显示器,其中栅极线和数据线被布置在一个衬底上并且在交叉区域彼此绝缘,或者在一个衬底上具有栅极线,像素电极和有源器件的非交叉型,并且数据线具有 根据本发明的在相对基板上的开口图案。
    • 9. 发明授权
    • Passive liquid crystal display having pre-tilt control structure and light absorbent material at a center
    • 无源液晶显示器,其中心具有预倾角控制结构和吸光材料
    • US06400440B1
    • 2002-06-04
    • US09339263
    • 1999-06-23
    • Evan G. ColganShui-Chih A. LienKai R. Schleupen
    • Evan G. ColganShui-Chih A. LienKai R. Schleupen
    • G02F11337
    • G02F1/133707G02F1/133512G02F1/133753
    • In accordance with the present invention, a passive liquid crystal display cell includes a first substrate having a light absorbent material patterned thereon. A first conductive material is formed in a position relative to the light absorbent material for forming one of a data line and a gate line. The position may be over the light absorbent material or below the light absorbent material (and may include transparent layers in between). A second conductive material is spaced apart from the first conductive material by a gap. The gap includes liquid crystal, and the second conductive material forms the other of the data line and the gate line. A pretilt control structure is formed adjacent to the liquid crystal. The gate line and the data line provide an electric field therebetween wherein the pretilt control structure provides pretilt for the liquid crystal to provide a wide viewing angle.
    • 根据本发明,无源液晶显示单元包括具有图案化的吸光材料的第一基板。 第一导电材料形成在相对于吸光材料的位置,用于形成数据线和栅极线之一。 该位置可以在吸光材料之上或光吸收材料之下(并且可以包括两者之间的透明层)。 第二导电材料通过间隙与第一导电材料间隔开。 间隙包括液晶,第二导电材料形成数据线和栅极线中的另一个。 与液晶相邻地形成预倾斜的控制结构。 栅极线和数据线在其间提供电场,其中预倾斜控制结构为液晶提供预倾斜以提供宽视角。
    • 10. 发明授权
    • Liquid crystal display with multi-domains
    • 具有多域的液晶显示
    • US5623354A
    • 1997-04-22
    • US194239
    • 1994-02-10
    • Shui-Chih A. LienRichard A. JohnMarie Angelopoulos
    • Shui-Chih A. LienRichard A. JohnMarie Angelopoulos
    • G02F1/1337G09G3/36G02F1/1333
    • G02F1/133753G02F1/133788G02F2001/133761
    • A liquid crystal display with an array of pixels comprises a liquid crystal layer having transparent electrodes on either side thereof with an alignment layer disposed on each of the electrodes and in contact with opposite surfaces of the liquid crystal layer. The alignment layers are capable of inducing a predetermined pre-tilt angle on the molecules of the liquid crystal. The pre-tilt angle inducing ability of at least one of the alignment layers, which is formed with only one alignment direction, has been selectively altered so that pre-tilt angle inducing ability in the altered area differs in the magnitude of the angle from the pre-tilt angle inducing ability of the unaltered area. With the liquid crystal molecules having at least two different pre-tilt angles, more than one domain is created when voltage is applied across the electrodes. The change in the pre-tilt angle inducing ability in the altered areas is achieved by exposure to a beam, such as ultra violet light, of sufficient energy. In the preferred embodiment, the display is an active type with twisted nematic liquid crystals.
    • 具有像素阵列的液晶显示器包括在其两侧具有透明电极的液晶层,其中设置在每个电极上并与液晶层的相对表面接触的取向层。 取向层能够在液晶分子上产生预定的预倾角。 已经选择性地改变仅形成一个取向方向的至少一个对准层的预倾角诱导能力,使得改变区域中的预倾角诱导能力与角度的大小不同 未改变区域的预倾角诱导能力。 当液晶分子具有至少两个不同的预倾角时,当在电极上施加电压时产生多于一个畴。 通过暴露于具有足够能量的光束(例如紫外光)来实现改变区域中的预倾角诱导能力的变化。 在优选实施例中,显示器是具有扭曲向列型液晶的主动型。