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:
Jan. 02, 2024
Filed:
Feb. 05, 2021
Epistar Corporation, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A manufacturing method for an LED includes: providing a substrate having an upper surface divided into a plurality of zones; a LED group formed on each of the zones and wherein: a plurality of the LED groups includes a first LED group; and the LEDs of the first LED group include a defective LED; forming a testing circuit on the substrate to electrically connect the LEDs; testing the first LED group by the testing circuit; recording a position of the defective LED; providing a carrier; and performing one of the following steps by the position of the defective LED: removing the defective LED from the substrate and then transferring the other LEDs in the first LED group to the carrier; transferring the other LEDs other than the defective LED in the first LED group to the carrier; or transferring the LEDs to the carrier and repairing it on the carrier.