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:
Dec. 21, 2021
Filed:
May. 29, 2020
Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd., Shenzhen, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Shi-Kai Huang, New Taipei, TW;
Tsung-Je Chiu, New Taipei, TW;
HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., Shenzhen, CN;
HON HAI PRECISION INDUSTRY CO., LTD., New Taipei, TW;
Abstract
A device as a light-emitting for a projector. The projector includes a light-emitting module and a first lens array positioned at one side. The first lens array includes a number of first lenses arranged in parallel along a first direction. The first lens array is configured to receive source light. A second lens array is positioned at a side of the first lens array. The second lens array includes a number of second lenses arranged in parallel along a second direction. The second lens array receives first collimated light from the first lenses and emits second collimated light which is of even light-spot density and uniform brightness.