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. 16, 2019
Filed:
Jun. 28, 2017
Joled Inc., Tokyo, JP;
Jun Hashimoto, Tokyo, JP;
JOLED INC., Tokyo, JP;
Abstract
An organic EL display panel having a plurality of pixels arranged, the pixels each including blue, green and red sub-pixels, includes: a substrate; a first pixel electrode layer, a first hole injection layer, a first hole transport layer and a blue organic light-emitting layer provided in regions of the blue sub-pixels over the substrate in this order from the substrate side; a second pixel electrode layer, a second hole injection layer, a second hole transport layer and a green organic light-emitting layer provided in regions of the green sub-pixels over the substrate in this order from the substrate side; a third pixel electrode layer, a third hole injection layer, a third hole transport layer and a red organic light-emitting layer provided in regions of the red sub-pixels over the substrate in this order from the substrate side; and a counter electrode layer provided over the blue, green and red organic light-emitting layers.