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. 10, 2018
Filed:
May. 18, 2017
Globalfoundries Inc., Grand Cayman, KY;
Srinivasa Banna, San Jose, CA (US);
Deepak Nayak, Union City, CA (US);
Ajey P. Jacob, Watervliet, NY (US);
GLOBALFOUNDRIES INC., Grand Cayman, KY;
Abstract
Devices and methods of forming the devices are disclosed. The device includes a substrate and a color LED pixel disposed on the substrate. The color LED pixel includes a red LED, a green LED and a blue LED. Each of the color LED includes a specific color LED body disposed on the respective color region on the substrate, a specific color multiple quantum well (MQW) on the respective color LED body and a specific color top LED layer disposed over the respective color MQW. The MQWs of the red LED, green LED and blue LED includes at least an indium gallium nitride (InGaN) layer and a gallium nitride (GaN), where x is the atomic percentage of In in the InGaN layer, and the MQWs of the red LED, green LED and blue LED have different bandgaps by varying x of the InGaN layer in the red LED, the green LED and the blue LED.