Organic light emitting display device and manufacturing method thereof
US8963138B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2013 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Mar 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/8792
Abstract
An organic light emitting display device including: a substrate; a plurality of first electrodes formed over the substrate; a pixel defining layer (PDL) formed over the substrate, and separating the plurality of first electrodes from one another when viewed in a thickness direction of the display device; a plurality of light emitting layer portions, each of which is formed over one of the plurality of first electrodes; at least a second electrode formed over the plurality of light emitting layer portions; and a filter unit formed over the at least a second electrode. The filter unit includes a black matrix layer having an opening and a plurality of color filters formed over the black matrix layer, and each color filter comprising at least one embossed portion formed over one of the plurality of openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.