Invention Grant
- Patent Title: Optical member having three-dimensional effect forming portion and multiple effect forming portion and lighting device using the same
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Application No.: US15681848Application Date: 2017-08-21
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Publication No.: US10317607B2Publication Date: 2019-06-11
- Inventor: Dong Hyun Lee , Jin Su Kim , Seung Jong Baek , Jae Hyuk Jang
- 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: KR10-2013-0164889 20131227
- Main IPC: F21V8/00
- IPC: F21V8/00 ; G02B27/22 ; F21S43/14 ; F21S43/239 ; F21S43/245 ; F21S43/249 ; F21V33/00 ; F21Y115/10

Abstract:
Provided are an optical member capable of implementing optical images having desired shapes through a pattern design, and a lighting device using the same, the optical member including: a three-dimensional effect forming portion provided on a first surface of a base substrate; and a multiple effect forming portion disposed in a lamination form with the three-dimensional effect forming portion, wherein the three-dimensional effect forming portion has multiple main patterns sequentially arranged in a first direction on the first surface and having respective inclined surfaces with an inclination angle with respect to the first surface, wherein the multiple main patterns implement a line shaped beam of a first path by guiding a first incident beam into a first surface direction through refraction or reflection from the inclined surfaces, wherein the multiple effect forming portion are sequentially arranged in a second direction crossing the first direction and has multiple optical patterns.
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