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. 06, 2018
Filed:
Mar. 02, 2016
Shenzhen Royole Technologies Co. Ltd., Shenzhen, CN;
Hongyan Shi, Shenzhen, CN;
Songling Yang, Shenzhen, CN;
SHENZHEN ROYOLE TECHNOLOGIES CO. LTD., Shenzhen, Guangdong, CN;
Abstract
The present application relates to an optical module, an optical device and a wearable display device. The wearable display device includes: a miniature display module, configured to output a display source; the optical module, configured to magnify the display source and project the display source to an exit pupil. The optical module includes: a first optical unit, including a first lens having a positive focal length, a second lens having a negative focal length, and a third lens having a positive focal length, the three lens being sequentially arranged along an optical path of the first optical unit; and a second optical unit, including a fourth optical element having a positive focal length, the fourth optical element including a first aspheric surface, a second aspheric surface and a reflection surface, the reflection surface changing a direction of the optical path of the first optical unit towards an exit pupil.