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:
Oct. 21, 2025
Filed:
Dec. 08, 2022
Lg Electronics Inc., Seoul, KR;
Jisun Ahn, Seoul, KR;
Dongwook Kim, Seoul, KR;
Kwangwoo Kim, Seoul, KR;
Seungsik Koh, Seoul, KR;
Seonho Lee, Seoul, KR;
Bosun Lee, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A head-up display may comprise: a picture generation unit having an emission surface from which image light is emitted; a half-wavelength phase retarder disposed to face a first area of the emission surface; a first flat mirror configured to reflect image light emitted from a second area of the emission surface; a second flat mirror configured to reflect image light emitted from the half-wavelength phase retarder; and a concave mirror configured to reflect each of the image light reflected by the first flat mirror and the image light reflected by the second flat mirror to a window shield.