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:
Jun. 04, 2024
Filed:
May. 22, 2023
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Itw Ef & C Korea Llc., Incheon, KR;
Hyundai Mobis Co., Ltd., Seoul, KR;
Yoonjin Electronics Co., Ltd, Gwangmyeong-si, KR;
Jae Hyun An, Seosan-si, KR;
Jun Geun Oh, Hwaseong-si, KR;
Kyu Rok Kim, Hwaseong-si, KR;
Byoung Wook Kim, Gunpo-si, KR;
Young Jun Kim, Yongin-si, KR;
Goo Dong Jung, Incheon, KR;
Ho Sung Kwon, Incheon, KR;
Bong Seok Ko, Seoul, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA CORPORATION, Seoul, KR;
ITW EF&CKorea LLC., Incheon, KR;
HYUNDAI MOBIS CO., LTD., Seoul, KR;
YOONJIN ELECTRONICS CO., LTD, Gwangmyeong-si, KR;
Abstract
An indoor lighting device of a vehicle includes: a substrate, a plurality of light sources assembled with the substrate to be arranged in a row, and a light guide panel including: a plurality of incidence parts such that light emitted by the light sources is incident thereupon, a diffusion area part provided behind the incidence parts to diffuse and reflect the light incident upon the incidence parts, a visual field area part provided behind the diffusion area part to emit the light diffused and reflected by the diffusion area part outside, and light diffusion holes provided behind the respective incidence parts. In particular, each of the light diffusion holes is surrounded by a transmission plane, a pair of reflection planes and a diffusion plane.