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Invention Grant
US09086517B2 Light flux controlling member, light emitting apparatus, surface light source apparatus and display apparatus 有权
光通量控制部件，发光装置，面光源装置以及显示装置

Light flux controlling member, light emitting apparatus, surface light source apparatus and display apparatus
Abstract:
The present invention relates to light flux controlling member (140) formed by injection molding, light emitting apparatus (120) having light flux controlling member (140), surface light source apparatus (100) having light emitting apparatus (120), and a display apparatus having surface light source apparatus (100). Light flux controlling member (140) includes light control emission surface (141) configured to control light distribution of light emitted from light emitting element (130), and back face (142) opposite to light control emission surface (141). Light flux controlling member (140) is formed by injection molding by an overlap gate scheme, or by combination of the overlap gate scheme and a side gate scheme. Therefore, on back face (142) of light flux controlling member (140), there remains gate remnant (147) in such a manner to be in contact with an outer rim.
Abstract(Chinese):

本发明涉及通过注射成型形成的光通量控制部件（140），具有光通量控制部件（140）的发光装置（120），具有发光装置（120）的表面光源装置（100） 具有面光源装置（100）的装置。 光通量控制构件（140）包括被配置为控制从发光元件（130）发射的光的光分布的光控制发射表面（141）和与光控制发射表面（141）相对的背面（142）。 光通量控制构件（140）通过重叠栅极方案的注射成型或者通过重叠栅极方案和侧栅极方案的组合形成。 因此，在光束控制构件（140）的背面（142）上，以与外缘接触的方式保留栅极残留物（147）。

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