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热词
    • 8. 发明授权
    • Light guide plate with blunt edges
    • 导光板带钝边
    • US09239422B2
    • 2016-01-19
    • US14049114
    • 2013-10-08
    • Apple Inc.
    • Xinyu ZhuPo-Wen ChiuJun Qi
    • G02F1/1335F21V8/00B29D11/00
    • G02B6/0093B29D11/00663G02F1/133615
    • Electronic devices may include displays. A display may include display layers having an array of display pixels and a backlight unit that provides backlight illumination to the display pixels. The backlight unit may include a light guide plate that distributes light across the display layers and a stack of optical films that may be used to enhance backlight performance. The optical films may be interposed between the light guide plate and the display layers. The light guide plate may be provided with one or more rounded edges formed from curved surfaces and/or one or more beveled edges formed from chamfered surfaces. Providing the light guide plate with rounded or beveled edges may minimize abrasive contact between the light guide plate and the adjacent optical films. An injection molding tool may be used to mold a light guide plate with rounded or beveled edges.
    • 电子设备可以包括显示器。 显示器可以包括具有显示像素阵列的显示层和向显示像素提供背光照明的背光单元。 背光单元可以包括将光分布在显示层上的导光板和可用于增强背光性能的一叠光学膜。 光学膜可以介于导光板和显示层之间。 导光板可以设置有由弯曲表面形成的一个或多个圆形边缘和/或由倒角表面形成的一个或多个倾斜边缘。 为导光板提供圆形或斜边可以使导光板和相邻光学膜之间的磨料接触最小化。 可以使用注塑工具来模制具有圆形或斜边的导光板。