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:
Feb. 11, 2020
Filed:
Jul. 30, 2018
Lg Display Co., Ltd., Seoul, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
An organic light emitting diode display device can include a substrate; a plurality of pixels disposed on the substrate; a plurality of anodes corresponding to the plurality of pixels, respectively; an organic light emitting layer disposed on the plurality of anodes; a cathode layer disposed on the organic light emitting layer; and a step difference compensation layer partitioning at least two adjacent pixels among the plurality of pixels, in which the step difference compensation layer includes a base layer, and a plurality of spike patterns disposed on the base layer, the plurality of spike patterns including protrusions that extend into at least a portion of the organic light emitting layer in a region between the at least two adjacent pixels.