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:
Apr. 14, 2020
Filed:
Jul. 25, 2019
Applicant:
Xiamen Sanan Optoelectronics Technology Co., Ltd., Xiamen, CN;
Inventors:
Chen-ke Hsu, Xiamen, CN;
Jiali Zhuo, Xiamen, CN;
Xiaojuan Shao, Xiamen, CN;
Jiansen Zheng, Xiamen, CN;
Assignee:
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD., Xiamen, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/82 (2006.01); H01L 21/67 (2006.01); H01L 21/66 (2006.01); G01R 31/28 (2006.01); H01L 23/00 (2006.01); H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67288 (2013.01); G01R 31/2887 (2013.01); H01L 22/34 (2013.01); H01L 24/00 (2013.01); H01L 21/6838 (2013.01); H01L 22/14 (2013.01);
Abstract
A device configured to transfer a micro element includes: a pick-up head array configured to selectively pick up or release the micro element, and including a plurality of pick-up heads; and a test circuit having a plurality of sub-test circuits, each sub-test circuit corresponding to one pick-up head among the plurality of pick-up heads, and having at least two test electrodes for simultaneous testing of photoelectric parameters of the micro element when the transfer device transfers the micro element.