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    • 1. 发明授权
    • Chip structure of inkjet printhead and method of estimating working life through detection of defects
    • 喷墨打印头的芯片结构和通过检测缺陷来估计工作寿命的方法
    • US06378978B1
    • 2002-04-30
    • US09630904
    • 2000-08-02
    • Charles C. ChangChieh-Wen WangMing-Ling LeeJhih-Ping LuChen-Yue ChengYuan-Liang Lan
    • Charles C. ChangChieh-Wen WangMing-Ling LeeJhih-Ping LuChen-Yue ChengYuan-Liang Lan
    • B41J201
    • B41J2/14072
    • An inkjet printhead chip structure and a method of estimating the working life through the detection of any defect on the chip structure. The method includes laying a metallic layer such as a tantalum layer over the chip and then shaping the metallic layer into a protective layer circuit. A portion of the metal protective layer covers the heating elements embedded in the chip. In printing, the heating elements heat up the ink to produce jets of ink. However, a portion of the heat is transferred to the metal protective layer thereby raising its temperature. Heat on the metal protective layer combined with any strayed residual ink bubbles that impinge upon the surface of the metal protective layer causes the metal to age. Since resistance of the metal protective layer will increase proportionally to the amount of aging, a measurement of the resistance is capable of estimating how much longer a given chip is suitable for use. Furthermore, if this special circuit layout runs across each long side of an ink slot, any cracks along the direction of the ink slot are detectable during resistance measurement.
    • 喷墨打印头芯片结构和通过检测芯片结构上的任何缺陷来估计工作寿命的方法。 该方法包括在芯片上铺设诸如钽层的金属层,然后将金属层成形为保护层电路。 金属保护层的一部分覆盖嵌入芯片中的加热元件。 在印刷中,加热元件加热油墨以产生喷墨。 然而,一部分热被转移到金属保护层,从而提高其温度。 金属保护层上的热量与撞击在金属保护层表面上的任何杂散的残余墨水泡结合使金属老化。 由于金属保护层的电阻与老化量成比例地增加,所以电阻的测量能够估计给定芯片适合使用多长时间。 此外,如果这种特殊电路布局贯穿于墨槽的每个长边,则在电阻测量期间可以检测沿墨槽方向的任何裂纹。
    • 3. 发明授权
    • Inkjet print head
    • 喷墨打印头
    • US06543887B2
    • 2003-04-08
    • US10004639
    • 2001-12-04
    • Charles C. ChangJhih-Ping LuShyh-Haur SuYuan-Liang Lan
    • Charles C. ChangJhih-Ping LuShyh-Haur SuYuan-Liang Lan
    • B21J2175
    • B41J2/17553B41J2/17513B41J2/1753
    • A common print head module that can accommodate either a single-color or multi-color inkjet print head comprises an ink cartridge having an ink output, and an inkjet chip arranged over the ink output. The ink cartridge internally includes ink channels that terminate through a surface of the ink output, wherein two adjacent ink channels are spaced apart by a channel wall. The channel wall has a top surface lower than the surface of the ink output where the ink channels terminate. The ink channels communicate with ink slots of the inkjet chip. When accommodating a single-color print head, the ink flows out through the ink channels over the channel wall. When accommodating a multi-color print head, the ink slots of the inkjet chip have slot walls that are sealed with the channel walls such that inks of different colors can be separately ejected through the ink slots.
    • 可以容纳单色或多色喷墨打印头的通用打印头模块包括具有墨水输出的墨盒和布置在墨水输出端上的喷墨芯片。 墨盒内部包括通过墨水输出表面终止的墨水通道,其中两个相邻墨水通道被通道壁隔开。 通道壁具有比油墨通道终止的墨水输出表面低的顶表面。 墨水通道与喷墨芯片的墨槽连通。 当容纳单色打印头时,油墨通过通道壁上的墨水通道流出。 当容纳多色打印头时,喷墨芯片的墨槽具有与通道壁密封的槽壁,使得可以通过墨槽分别喷射不同颜色的墨。
    • 9. 发明授权
    • Electro-wetting display panel
    • 电润湿显示面板
    • US07646525B2
    • 2010-01-12
    • US12120241
    • 2008-05-14
    • Chao-Kai ChengWan-Wen ChiuWei-Yuan ChengChung-Wei WangJhih-Ping Lu
    • Chao-Kai ChengWan-Wen ChiuWei-Yuan ChengChung-Wei WangJhih-Ping Lu
    • G02B1/07
    • G02B26/005
    • An electro-wetting display panel including a first substrate, an insulator layer, a second substrate, partitioning structures, and electro-wetting display mediums. The first substrate has a plurality of first electrodes. The insulator layer is disposed on the first substrate to cover the first electrodes. The second substrate located above the first substrate and has a plurality of second electrodes. The partitioning structures are disposed on the insulator layer and each defines a pixel region, respectively. At least one of the partitioning structures has a flow channel surrounding the pixel regions, and the flow channel is connected to one of the pixel regions correspondingly. The electro-wetting display mediums are disposed within the pixel regions and the flow channels. When the electro-wetting display mediums are driven by the electric charge between the first electrodes and the second electrodes, the electro-wetting display mediums move between the pixel regions and the flow channels.
    • 一种电润湿显示面板,包括第一衬底,绝缘体层,第二衬底,分隔结构和电润湿显示介质。 第一基板具有多个第一电极。 绝缘体层设置在第一基板上以覆盖第一电极。 所述第二基板位于所述第一基板上方并具有多个第二电极。 分隔结构分别设置在绝缘体层上并分别限定像素区域。 分隔结构中的至少一个具有围绕像素区域的流动通道,并且流动通道相应地连接到像素区域中的一个。 电润湿显示介质设置在像素区域和流动通道内。 当电润湿显示介质由第一电极和第二电极之间的电荷驱动时,电润湿显示介质在像素区域和流动通道之间移动。