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:
May. 12, 2026
Filed:
Jul. 25, 2023
Applicant:
Himax Display, Inc., Tainan City, TW;
Inventor:
Chi-Wen Lin, Tainan City, TW;
Assignee:
Himax Display, Inc., Tainan City, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02B 27/01 (2006.01); G02B 27/48 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0278 (2013.01); G02B 5/0294 (2013.01); G02B 27/0103 (2013.01); G02B 27/48 (2013.01); G02B 2027/0105 (2013.01); G02B 2027/0118 (2013.01);
Abstract
A head-up display system including a polarizing optical engine and a first rotatable diffuser is provided. The polarizing optical engine is configured to provide a polarized image beam. The first rotatable diffuser is disposed on a path of the polarized image beam and configured to rotate when the polarized image beam passes through the first rotatable diffuser. The first rotatable diffuser is made of isotropic material, and the polarized image beam from the first rotatable diffuser obliquely strikes a windshield and is then reflected by the windshield to an eye of a user.