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:
Nov. 21, 2017
Filed:
Jul. 18, 2016
Lg Electronics Inc., Seoul, KR;
Youngjin Kim, Seoul, KR;
Juhyeok Ryu, Seoul, KR;
Dongwook Kim, Seoul, KR;
Kyoungil Lee, Seoul, KR;
Seunggyu Lee, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A head up display for a vehicle, the head up display including a display panel configured to emit image light; a polarized light plate configured to linearly polarize the image light emitted from the display panel; a reflection mirror configured to reflect the image light to a windshield of the vehicle; a phase retardance mirror spaced apart from the reflection mirror to reflect the image light forward while converting a phase of the image light, wherein the phase retardance mirror includes a rear mirror and a phase retarder disposed on a front surface of the rear mirror; and a polarization reflection mirror disposed between the reflection mirror and the phase retardance mirror and configured to reflect the image light passing through the polarized light plate to the phase retardance mirror, wherein the image light reflected to the phase retardance mirror is converted in phase by the phase retardance mirror and reflected by the phase retardance mirror to pass through the polarization reflection mirror.