发明名称 Luminous flux control member, light-emitting unit, and display device
摘要 A luminous flux control member includes an incident surface, a first optical surface that is separated from the incident surface in a direction of an optical axis and includes a concave portion recessed toward the incident surface, and a second optical surface that forms a side surface of the luminous flux control member. The first optical surface includes a connection portion that connects the concave portion to the second optical surface.
申请公布号 EP2896984(A1) 申请公布日期 2015.07.22
申请号 EP20150151361 申请日期 2015.01.16
申请人 LG INNOTEK CO., LTD. 发明人 JUNG, JI YOUNG;LEE, CHANG HYUCK
分类号 G02B19/00;G02F1/1335 主分类号 G02B19/00
代理机构 代理人
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