Invention Grant
- Patent Title: Member for controlling luminous flux and display device having the same
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Application No.: US14390524Application Date: 2012-12-14
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Publication No.: US09606399B2Publication Date: 2017-03-28
- Inventor: Chang Hyuck Lee , Eun Sung Seo , Ki Cheol Kim , Hyun Ho Choi , Gi Seok Lee
- Applicant: LG INNOTEK CO., LTD.
- Applicant Address: KR Seoul
- Assignee: LG INNOTEK CO., LTD.
- Current Assignee: LG INNOTEK CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: Ked & Associates, LLP
- Priority: KR10-2012-0035669 20120405
- International Application: PCT/KR2012/010932 WO 20121214
- International Announcement: WO2013/151224 WO 20131010
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; G02B19/00 ; F21K9/90
Abstract:
The exemplary embodiments of the present invention have a first refractive surface whose distance from a central axis gradually increasing as being distanced from a rear surface, and light from a light source can be effectively emitted from a first refractive surface to a lateral direction or an upper lateral direction.
Public/Granted literature
- US20150098211A1 MEMBER FOR CONTROLLING LUMINOUS FLUX AND DISPLAY DEVICE HAVING THE SAME Public/Granted day:2015-04-09
Information query
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