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    • 3. 发明授权
    • Flexible EL device
    • 柔性EL器件
    • US07482747B2
    • 2009-01-27
    • US11628642
    • 2005-03-14
    • Dong Hyuk ShinKwang Hyuk Bae
    • Dong Hyuk ShinKwang Hyuk Bae
    • H05B33/00
    • H05B33/10H01L51/52H01L2251/5338H05B33/145H05B33/22H05B33/28Y10S428/917
    • A flexible EL device comprises a substrate, which is made of highly polymerized synthetic rubber, polyurethane, or silicon rubber, a conductive layer, a dielectric layer, a fluorescent layer, a transparent conductive layer, and a polymer protection film layer. Due to the high flexibility of the substrate, the flexibility of the flexible EL device according to the present invention is higher than the conventional EL device using PET, and therefore, the durability of the flexible EL device under mechanical impact is improved. As a result, the flexible EL device is not damaged when physical impacts are applied to the flexible EL device. Furthermore, noise is prevented or reduced by simply changing the structure of the flexible EL device and adding material layers, and therefore, electric and physical properties of the flexible EL device are improved. The flexible EL device is applicable to EL dome sheets or EL keypads.
    • 柔性EL器件包括由高分子合成橡胶,聚氨酯或硅橡胶,导电层,电介质层,荧光层,透明导电层和聚合物保护膜层制成的基片。 由于基板的高灵活性,根据本发明的柔性EL器件的灵活性高于使用PET的常规EL器件,因此柔性EL器件在机械冲击下的耐久性得到改善。 结果,当对柔性EL器件施加物理冲击时,柔性EL器件不会损坏。 此外,通过简单地改变柔性EL器件的结构和添加材料层来防止或减少噪声,因此柔性EL器件的电学和物理特性得到改善。 柔性EL器件适用于EL圆顶片或EL键盘。
    • 7. 发明授权
    • Flexible EL dome sheet and flexible EL dome sheet keypad using the same
    • 柔性EL圆顶板和柔性EL圆顶板键盘使用相同
    • US07411143B2
    • 2008-08-12
    • US11579003
    • 2005-03-14
    • Dong Hyuk ShinKwang Hyuk Bae
    • Dong Hyuk ShinKwang Hyuk Bae
    • H01H9/00
    • H01H13/83H01H13/7006H01H2205/026H01H2219/018
    • A flexible EL dome sheet uses a polymer insulation layer having a thickness of 5 to 50 μm as a substrate, and therefore, the thickness of the flexible EL dome sheet is 50 to 150 μm. The flexible EL dome sheet comprises a flexible EL sheet having key patterns formed thereon and metal or poly domes attached to the EL sheet. Since the flexible EL sheet and the metal or poly domes are used, the flexible EL dome sheet has excellent flexibility and durability, and an additional process for silicon molding is not necessary. Furthermore, the tactile feel of the flexible EL dome sheet keypad is improved. Electric connection between an EL driver of a flexible printed circuit board and the flexible EL sheet is achieved using a contact pad terminal structure, whereby no additional connector is necessary, and therefore, an FPC connecting process is not required.
    • 柔性EL圆顶片使用厚度为5〜50μm的聚合物绝缘层作为基板,因此柔性EL圆顶片的厚度为50〜150μm。 柔性EL圆顶片包括其上形成有键图案的柔性EL片和附着到EL片的金属或多晶圆顶。 由于使用柔性EL片和金属或多晶圆顶,因此柔性EL圆顶片具有优异的柔性和耐久性,并且不需要额外的硅成型工艺。 此外,改善了柔性EL圆顶板键盘的触感。 柔性印刷电路板的EL驱动器与柔性EL片之间的电连接使用接触垫端子结构实现,由此不需要额外的连接器,因此不需要FPC连接工艺。