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:
Sep. 20, 2011
Filed:
Nov. 06, 2007
Han-tsung Hsueh, Hsinchu, TW;
Hsi-hsuan Yen, Hsinchu, TW;
Wen-yung Yeh, Hsinchu, TW;
Mu-tao Chu, Hsinchu, TW;
Han-Tsung Hsueh, Hsinchu, TW;
Hsi-Hsuan Yen, Hsinchu, TW;
Wen-Yung Yeh, Hsinchu, TW;
Mu-Tao Chu, Hsinchu, TW;
Industrial Technology Institute, Hsinchu, TW;
Abstract
A method for forming a pixel of an LED light source is provided. The method includes following steps: forming a first layer on a substrate; forming a second layer and a first light-emitting active layer on the first layer; exposing a portion of an upper surface of the first layer; forming a third layer on the substrate; forming a fourth layer and a second light-emitting active layer on the third layer; exposing a portion of an upper surface of the third layer; and forming a first electrode on the exposed upper surface of the first layer, a second electrode on a portion of an upper surface of the second layer, a third electrode on the exposed upper surface of the third layer, and a fourth electrode a portion of an upper surface of the fourth layer. The first light-emitting active layer and the second light-emitting active layer emit different colors of light.