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    • 1. 发明申请
    • Light guide plate and liquid crystal display device having the same
    • 导光板及具有该导光板的液晶显示装置
    • US20080031006A1
    • 2008-02-07
    • US11730802
    • 2007-04-04
    • Hee KimJin KimJin Kim
    • Hee KimJin KimJin Kim
    • F21V8/00
    • G02B6/0036G02B6/0051G02B6/0053G02B6/0061
    • A light guide plate and a liquid crystal display device having the same. The light guide plate is disposed upstream of a liquid crystal panel to refract light supplied through an edge thereof, toward the liquid crystal panel. In the light guide plate, a plate body is disposed at a side of a light source for supplying light when a supply voltage is applied. A plurality of pyramidal diffusing elements are arrayed in a predetermined pattern on a surface of the plate body. Each of the diffusing elements is rotated clockwise or counterclockwise about an axis extending through a vertex of the diffusing element perpendicularly to the surface of the plate body so that an edge of the diffusing element facing a reference line connecting a central point of the light source to a central point of the plate body is angled 10° to 35° about the reference line.
    • 导光板和具有该导光板的液晶显示装置。 导光板配置在液晶面板的上游侧,将通过其边缘供给的光折射到液晶面板。 在导光板中,当施加电源电压时,板体设置在用于供应光的光源的一侧。 多个金字塔形扩散元件以预定图案排列在板体的表面上。 每个扩散元件围绕延伸穿过漫射元件的顶点的轴线顺时针或逆时针旋转,垂直于板体的表面,使得漫射元件的边缘面向连接光源的中心点的参考线, 板体的中心点围绕参考线倾斜10°至35°。
    • 10. 发明申请
    • Apparatus for correcting sound for video display appliance and method thereof
    • 视频显示装置的声音校正装置及其方法
    • US20050141725A1
    • 2005-06-30
    • US11023626
    • 2004-12-29
    • Hee Kim
    • Hee Kim
    • H04N5/60H04R5/04H04R29/00H04S7/00
    • H04S7/307H04R5/04H04R29/001
    • Disclosed is an apparatus for correcting sound for a video display appliance and a method thereof that senses the change of the sound characteristics of the video display appliance and performs an automatic sound correction according to the change of the sound characteristics. The apparatus includes a key input unit for inputting a user's command, a sound sensing unit for sensing bass/middle/treble ranges of sound output through the speaker, a memory for storing reference sound levels of the bass/middle/treble ranges of the sound preset according to installation environment characteristics of the video display appliance, and a control unit for comparing the sound levels of the bass/middle/treble ranges of the sound sensed through the sound sensing unit with the reference sound levels of the bass/middle/treble ranges of the sound, correcting sound characteristics according to a result of comparison, and feeding the corrected sound characteristics back to the audio signal processing unit.
    • 公开了一种用于校正视频显示器具的声音的装置及其方法,其检测视频显示器具的声音特性的变化,并且根据声音特性的变化执行自动声音校正。 该装置包括用于输入用户命令的键输入单元,用于感测通过扬声器输出的声音的低音/中/高音范围的声音感测单元,用于存储声音的低音/中/高音范围的参考声级的存储器 根据视频显示设备的安装环境特性预设,以及控制单元,用于将通过声音感测单元感测的声音的低音/中/高音范围的声级与低音/中/高音的参考声级进行比较 声音的范围,根据比较结果校正声音特性,并将校正后的声音特性反馈给音频信号处理单元。