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    • 54. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US06600472B1
    • 2003-07-29
    • US09267790
    • 1999-03-15
    • Yutaka NakaiMasahiko Akiyama
    • Yutaka NakaiMasahiko Akiyama
    • G09G336
    • G09G3/2011G09G3/3648G09G3/367G09G2300/0434G09G2300/0809G09G2300/0828G09G2320/0276G09G2330/021
    • In this invention, as a basic structure, an impedance element is connected in series to a liquid crystal layer (liquid crystal capacitance) of each pixel. The impedance of the impedance element is varied in accordance with a display signal. The resistance values of variable resistance elements are varied in accordance with a display signal being held by a display signal holding means that is provided in each pixel, whereby the impedance of the impedance element varies in accordance with the resistance states of the variable resistance elements. If an AC voltage is applied across the basic structure, an AC voltage produced by voltage division in accordance with the impedance of the impedance element is applied to the liquid crystal layer. Therefore, the AC voltage applied to the liquid crystal layer and hence the gradation level of the liquid crystal layer can be controlled by adjusting the impedance of the impedance element in accordance with a display signal. A display signal is not input to the liquid crystal layer directly and consumed there. Instead, an AC voltage produced by dividing, by the impedance element and the liquid crystal layer, an AC voltage corresponding to a display signal that is temporarily held by the holding means such as a capacitor is applied to the liquid crystal layer. Therefore, the power consumption can be reduced.
    • 在本发明中,作为基本结构,阻抗元件与各像素的液晶层(液晶电容)串联连接。 阻抗元件的阻抗根据显示信号而变化。 可变电阻元件的电阻值根据由设置在每个像素中的显示信号保持装置保持的显示信号而变化,由此阻抗元件的阻抗根据可变电阻元件的电阻状态而变化。 如果在基本结构上施加交流电压,则将根据阻抗元件的阻抗的分压产生的交流电压施加到液晶层。 因此,可以通过根据显示信号调整阻抗元件的阻抗来控制施加到液晶层的AC电压以及因此液晶层的灰度级。 显示信号不直接输入到液晶层并在那里消耗。 相反,通过将阻抗元件和液晶层除以对应于由诸如电容器的保持装置暂时保持的显示信号的AC电压而产生的AC电压被施加到液晶层。 因此,可以降低功耗。
    • 55. 发明授权
    • Stacked cell liquid crystal display device with connectors piercing
though upper cells
    • 具有连接器的堆叠单元液晶显示装置穿过上部单元
    • US6067134A
    • 2000-05-23
    • US40443
    • 1998-03-18
    • Masahiko AkiyamaYutaka Nakai
    • Masahiko AkiyamaYutaka Nakai
    • G02F1/1333G02F1/1334G02F1/1339G02F1/1343G02F1/1347G02F1/136G02F1/1365
    • G02F1/1347
    • Some conventional liquid crystal display devices were hard to make connection to a pixel electrode interposed between liquid crystal layers when a picture element is configured by laminating a plurality of liquid crystal layers. The liquid crystal display device comprises a first substrate having a first applying means for applying a first signal; a first electrode opposed to the first substrate; at least one liquid crystal layer interposed between the first substrate and the first electrode; a pillar made of an insulating material, formed on the first substrate so as to have a lateral face and to pierce through the liquid crystal layers; and at least one first wiring pattern formed on the lateral face of the pillar to connect the first applying means and the first electrode. Specifically, this liquid crystal display device has the pillar and the wiring pattern formed on the lateral face of the pillar as the inter-connector to connect to the pixel electrode interposed between the liquid crystal layers. The pillar may be formed into, for example, a truncated pyramid shape, and its top face can be used to connect the pixel electrode with the wiring pattern.
    • 当通过层叠多个液晶层构成像素时,一些常规的液晶显示装置难以连接到介于液晶层之间的像素电极。 液晶显示装置包括具有施加第一信号的第一施加装置的第一基板; 与第一基板相对的第一电极; 插入在第一基板和第一电极之间的至少一个液晶层; 由绝缘材料制成的支柱,形成在第一基板上以具有侧面并穿透液晶层; 以及形成在所述柱的侧面上的至少一个第一布线图案,以连接所述第一施加装置和所述第一电极。 具体地,该液晶显示装置具有形成在柱的侧面上的支柱和布线图案作为连接器,以连接到介于液晶层之间的像素电极。 柱可以形成为例如截锥形,并且其顶面可以用于将像素电极与布线图案连接。
    • 58. 发明授权
    • Display device
    • 显示设备
    • US09213179B2
    • 2015-12-15
    • US13606044
    • 2012-09-07
    • Yutaka NakaiTsuyoshi Hioki
    • Yutaka NakaiTsuyoshi Hioki
    • G09G3/34G02B26/00
    • G02B26/004G09G3/3473G09G2230/00G09G2300/0426
    • According to one embodiment, a display device includes a light source, a light guide, a light extraction unit, and a drive circuit. The light source emits a first light. The light guide has a first end, a second end arranged in a first direction, and a side surface extending in the first direction. The light guide guides the first light from the first end toward the second end. The light extraction unit opposes the side surface, and includes first and second conductive units provided parallel to the side surface. The light extraction unit extracts the first light guided inside the light guide by coming close to the side surface for a state in which a voltage is applied to the first and second conductive units. The drive circuit applies the voltage between the first and second conductive units.
    • 根据一个实施例,显示装置包括光源,光导,光提取单元和驱动电路。 光源发出第一个光。 光导具有沿第一方向布置的第一端,第二端和沿第一方向延伸的侧表面。 光导引导从第一端朝向第二端的第一光。 光提取单元与侧表面相对,并且包括平行于侧表面设置的第一和第二导电单元。 光提取单元通过靠近侧面提取在光导内部引导的第一光,其中施加电压到第一和第二导电单元的状态。 驱动电路在第一和第二导电单元之间施加电压。
    • 59. 发明授权
    • Light-emitting element and display device using the same
    • 发光元件及使用其的显示装置
    • US09116266B2
    • 2015-08-25
    • US13428556
    • 2012-03-23
    • Yutaka NakaiTsuyoshi Hioki
    • Yutaka NakaiTsuyoshi Hioki
    • G02B6/00F21V8/00
    • G02B6/0031G02B6/0036G02B6/0076G02B6/0078
    • A light-emitting element includes: a light source; a light guide member having a columnar shape and comprising a plurality of side surfaces containing a pair of parallel total reflection principal surfaces and other surfaces than the total reflection principal surfaces, an upper bottom surface disposed so that light from the light source reaches the total reflection principal surfaces, and a lower bottom surface disposed opposite to the upper bottom surface; clad portions provided on the other side surfaces of the light guide member than the total reflection principal surfaces, the clad portions having a smaller refractive index than that of the light guide member; and a light extraction portion provided on one part of the total reflection principal surfaces.
    • 发光元件包括:光源; 导光构件,其具有圆柱形状,并且包括多个侧表面,所述多个侧表面包含一对平行的全反射主表面和除了全反射主表面之外的其它表面,上底面设置成使得来自光源的光达到全反射 主表面和与上底表面相对设置的下底表面; 包覆部分设置在导光部件的另一侧表面上,比全反射主表面,折射率小于导光部件的折射率; 以及设置在全反射主表面的一部分上的光提取部分。
    • 60. 发明授权
    • Optical device utilizing optical waveguide and display device
    • 利用光波导和显示装置的光学装置
    • US08831387B2
    • 2014-09-09
    • US13368891
    • 2012-02-08
    • Yutaka NakaiTsuyoshi Hioki
    • Yutaka NakaiTsuyoshi Hioki
    • G02B6/00G02B6/36
    • G02B6/0006G02B6/001G09G3/3473
    • In one embodiment, in an optical device, a bar-shaped optical waveguide has either a polygonal or circular cross-sectional shape. A light entry portion is formed in a circumferential area of a first-end surface of the optical waveguide. The light entry portion includes a sloping surface having a normal vector containing a component in a circumferential direction of the first-end surface. An incident light beam travels towards a second-end surface of the optical waveguide while repeating total reflections on a side surface of the optical waveguide. The incident light beam travels without passing through a central portion in a cross section of the optical waveguide. A light exit portion is formed in the side surface of the optical waveguide. The light exit portion is configured to let the light beam in the optical waveguide out of the optical waveguide.
    • 在一个实施例中,在光学装置中,条形光波导具有多边形或圆形横截面形状。 光入口部分形成在光波导的第一端表面的圆周区域中。 光入口部分包括具有在第一端面的圆周方向上包含部件的法向量的倾斜表面。 入射光束朝向光波导的第二端表面传播,同时在光波导的侧表面上重复全反射。 入射光束不穿过光波导的横截面中的中心部分行进。 在光波导的侧面形成光出射部。 光出射部被配置为使光波导中的光束离开光波导。