The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2017
Filed:
Sep. 02, 2011
Jong Sun Kim, Seoul, KR;
Sang Jun Park, Seoul, KR;
Jae Hyuk Jang, Seoul, KR;
Hyung Min Park, Seoul, KR;
Kyoung Soo Ahn, Seoul, KR;
Jeong OH Lee, Seoul, KR;
Yong IN Lee, Seoul, KR;
Jong Sun Kim, Seoul, KR;
Sang Jun Park, Seoul, KR;
Jae Hyuk Jang, Seoul, KR;
Hyung Min Park, Seoul, KR;
Kyoung Soo Ahn, Seoul, KR;
Jeong Oh Lee, Seoul, KR;
Yong In Lee, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
A light unit is provided. The light unit includes a PCB mounted with a plurality of LEDs, and a light guide member having a plurality of reception grooves piercing therethrough and receiving the LEDs, wherein the light guide member includes one surface and the other surface opposite to the one surface, and the one surface of the light guide member is further coated with the resin material. The reception grooves are formed in the light guide member and are filled with a fluid resin material, thus preventing the damage to the LED caused by the difference between the thermal expansion rates of the components such as the light guide member, the reflection film and the PCB.