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    • 15. 发明专利
    • Light guide plate and its manufacturing method
    • 光导板及其制造方法
    • JP2007149515A
    • 2007-06-14
    • JP2005343038
    • 2005-11-29
    • Nippon Chemitec KkNissen Chemitec Corp日本ケミテック株式会社日泉化学株式会社
    • TAGUCHI HIROZUMIMIFUJI NOZOMI
    • F21V8/00F21Y103/00G02B6/00G02F1/13357
    • PROBLEM TO BE SOLVED: To provide a light guide plate capable of eliminating unevenness of brightness in a light emitting face by preventing a shadow of a light source from being reflected on the light emitting face.
      SOLUTION: The light guide plate 10 is provided with a light incident face 10a for a light to be made incident, the light emitting face 10b for the incident light from the light entrance face 10a to be emitted, and a non light emitting face 10c opposing to the light emitting face 10b. Then, a plurality of light deflection parts 26 to emit the light from the light emitting face 10b are formed on at least one of the light emitting face 10b or the non light emitting face 10c, and a plurality of linear light diffusion parts 28 to diffuse the light are formed at a part except the light deflection part 26 at least at one of the light emitting face 10b or the non light emitting face 10c. Therefore, when the light hits upon the light diffusion parts 28, the light is diffused in the direction nearly orthogonal to the longitudinal direction of the light diffusion parts 28.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够通过防止光源的阴影在发光面上反射来消除发光面的亮度不均匀的导光板。 解决方案:导光板10设置有用于入射的光的光入射面10a,用于来自光入射面10a的入射光的发光面10b被发射,并且非发光 面10c与发光面10b相对。 然后,在发光面10b或非发光面10c中的至少一个上形成有多个发光体,用于发射来自发光面10b的光,以及多个线状光扩散部28扩散 至少在发光面10b或非发光面10c中的一个处,在光偏转部26以外的部分形成光。 因此,当光照在光扩散部28上时,光在与光扩散部28的长度方向大致正交的方向上扩散。(C)2007,JPO&INPIT