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    • 81. 发明公开
    • Nozzle plate unit, inkjet print head with the same and method of manufacturing the same
    • 喷嘴板单元,具有该喷嘴板单元的喷墨打印头及其制造方法
    • EP1652674A2
    • 2006-05-03
    • EP05256556.1
    • 2005-10-21
    • Samsung Electronics Co., Ltd.
    • Sung, Gee-youngKwon, Kye-siKim, Min-sooOh, Se-youngBaek, Seog-soonSong, Mi-jeong
    • B41J2/14
    • B41J2/14233B41J2/09B41J2/1433B41J2002/14395B41J2202/16Y10T29/42
    • A nozzle plate unit (100) that is designed to control an ejecting direction of ink droplets by using an electro-wetting phenomenon, an inkjet print head with the same, and a method of manufacturing the nozzle plate unit are provided. The nozzle plate unit includes at least one penetration nozzle (150), an electrode (120) divided into at least two segments (120a,120b,120c,120d) formed along an inner circumference defining the nozzle, and a hydrophobic insulating layer (140) divided into at least two segments (140a,140b,140c,140d) formed on surfaces of the segments of the electrode. When a voltage is applied between respective segments of the electrode and the fluid, a contacting angle of the fluid with the respective segments of the hydrophobic insulating layer is varied by an electro-wetting phenomenon, thereby deflecting an ejecting direction of the fluid ejected through the nozzle. The inkjet print head includes a passage plate (210,220) including an ink passage having a plurality of ink chambers (204) in which ink to be ejected is filled, an actuator (300) providing ejecting force of the ink filled in the plurality of ink chambers, and the nozzle plate unit attached to the passage plate. Accordingly, the ejecting direction of ink droplets ejected through the nozzle can be controlled in various directions and thus the image can be printed at higher DPI even when a print head with a low CPI is used.
    • 提供一种喷嘴板单元(100),该喷嘴板单元(100)被设计为通过使用电润湿现象来控制墨滴的喷射方向,具有该喷嘴板单元的喷墨打印头以及制造该喷嘴板单元的方法。 所述喷嘴板单元包括至少一个穿透喷嘴(150),沿着限定所述喷嘴的内周形成的至少两个分段(120a,120b,120c,120d)的电极(120),以及疏水绝缘层(140 )分成至少两个形成在电极片段表面上的片段(140a,140b,140c,140d)。 当在电极的各段与流体之间施加电压时,流体与疏水性绝缘层的各段的接触角通过电润湿现象而变化,由此偏转通过电解液喷射的流体的喷射方向 喷嘴。 该喷墨打印头包括:通道板(210,220),其包括具有其中填充有要喷射的墨的多个墨室(204)的墨通道;致动器(300),其提供填充在多个墨中的墨的喷射力 腔室,以及连接到通道板的喷嘴板单元。 因此,即使当使用具有低CPI的打印头时,也可以在各种方向上控制通过喷嘴喷射的墨滴的喷射方向,因此可以以更高的DPI打印图像。
    • 82. 发明公开
    • Line scan drivers for an OLED display
    • 用于OLED显示器的线扫描驱动器
    • EP1600924A1
    • 2005-11-30
    • EP05103853.7
    • 2005-05-10
    • Samsung SDI Co., Ltd.
    • SHIN, Dong-Yong, Legal & IP Team
    • G09G3/32
    • G09G3/3233G09G2300/0804G09G2300/0842G09G2310/0235
    • In an organic light emitting display, a first pixel and a second pixel share a data line, a select scan line, and a driving element, and a field is divided into first and second subfields. An organic light emitting element of the first pixel is driven by a first emission control signal transmitted to a first emit scan line, and an organic light emitting element of the first pixel is driven by a second emission control signal transmitted to a second emit scan line. The first emission control signal has a low-level pulse in the first subfield, the second emission control signal has a low-level pulse in the second subfield, and a select signal transmitted to the select scan line has a low-level pulse in each of the first and second subfields. In addition, a scan driver for driving the select signal line, the first emit scan line, and the second emit scan line is provided.
    • 在有机发光显示器中,第一像素和第二像素共享数据线,选择扫描线和驱动元件,并且场被分成第一和第二子场。 第一像素的有机发光元件由传输到第一发射扫描线的第一发射控制信号驱动,并且第一像素的有机发光元件由传输到第二发射扫描线的第二发射控制信号驱动 。 第一发射控制信号在第一子场中具有低电平脉冲,第二发射控制信号在第二子场中具有低电平脉冲,并且发送到选择扫描线的选择信号在每个子场中具有低电平脉冲 的第一和第二子领域。 另外,提供用于驱动选择信号线,第一发射扫描线和第二发射扫描线的扫描驱动器。
    • 83. 发明公开
    • Electroluminescent display device, pixel circuit therefor, and driving method thereof
    • Elektrolumineszenzanzeigevorrichtung und Pixelschaltungdafür
    • EP1585100A1
    • 2005-10-12
    • EP05101764.8
    • 2005-03-08
    • Samsung SDI Co., Ltd.
    • Kim, Yang-Wan Samsung SDI Co.Ltd. Legal & IP TeamOh, Choon-Yul Samsung SDI Co.Ltd. Legal & IP Team
    • G09G3/32
    • G09G3/3233G09G2300/043G09G2300/0819G09G2300/0852G09G2300/0861G09G2310/0262G09G2320/043
    • A light emission display includes data lines, scan lines, and pixel circuits. A pixel circuit of the pixel circuits includes: a light emission element; a first transistor including a control electrode and first and second electrodes, the first transistor outputting a current corresponding to a voltage between the first electrode and the control electrode; a first switch coupled between the control electrode of the first transistor and the light emission element and for receiving a first control signal; a first capacitor coupled to the first transistor; a second capacitor coupled between a first power source and the first capacitor; a second switch for coupling the first capacitor and a second power source in response to a second control signal; and a third switch for applying a data voltage to the first capacitor in response to a select signal provided by one of the scan lines. Short-range transistor threshold voltage variations from pixel to pixel as well as long-range voltage drop on first power line across the display are both reduced.
    • 发光显示器包括数据线,扫描线和像素电路。 像素电路的像素电路包括:发光元件; 第一晶体管,包括控制电极和第一和第二电极,所述第一晶体管输出对应于所述第一电极和所述控制电极之间的电压的电流; 耦合在第一晶体管的控制电极和发光元件之间并用于接收第一控制信号的第一开关; 耦合到所述第一晶体管的第一电容器; 耦合在第一电源和第一电容器之间的第二电容器; 用于响应于第二控制信号耦合第一电容器和第二电源的第二开关; 以及第三开关,用于响应于由所述扫描线之一提供的选择信号而将数据电压施加到所述第一电容器。 从显示器到第一电源线的像素间的短距离晶体管阈值电压变化以及第一条电源线上的远距离电压降均降低。