照明装置 - LG Innotek Company Limited

Title:

照明装置

Document Type and Number:

Japanese Patent JP7383780

Kind Code:

B2

Abstract:

A lighting apparatus comprising a printed circuit board (110), a plurality of light sources (130) disposed on the PCB (110), a reflecting unit (120) disposed on the PCB (110), a resin layer (140) disposed on the reflecting unit (120) to cover the plurality of light sources (130); and an optical pattern layer (150) comprising a first optical layer (150B) disposed on the resin layer (140), a second optical layer (150A) spaced apart from the first optical layer (150B), a plurality of optical patterns (151) and a bonding pattern layer (153) that are disposed between the first optical layer (150B) and the second optical layer (150A), and a second spaced area (152) disposed around the optical patterns (151) and separating the bonding pattern layer (153) from the optical patterns (151).

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Inventors:

Lee, Byung Young
Park, Mouryeong
Park, Gwangho
Kim, Chur Hong

Application Number:

JP2022182722A

Publication Date:

November 20, 2023

Filing Date:

November 15, 2022

Export Citation:

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Assignee:

LG Innotek Company Limited

International Classes:

F21V19/00; F21S2/00; G02B5/00; G02B5/02; H01L33/60; H01L33/62; F21W107/10

Domestic Patent References:

JP2009193955A
JP2003222714A

Foreign References:

WO2011025174A2
WO2007086347A1

Attorney, Agent or Firm:

Makoto Ono
Kennori Kanayama
Kazuki Shigemori
Hidehiko Ichikawa
Yoshikazu Iwase

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