Organic light emitting display device and method of manufacturing the same
US10026791B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2016 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Dec 29, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/1201
Abstract
An organic light emitting display device includes a substrate including a plurality of pixels defined thereon; a first electrode disposed at each pixel; a bank exposing the first electrode of each pixel; a spacer including, sequentially on the bank, a first layer of a first negative photoreactive acryl and a second layer of a second negative photoreactive acryl having a greater photoreactivity than a photoreactivity of the first negative photoreactive acryl, wherein the first layer has a negative taper and the second layer has a positive taper; an organic layer on the bank and the first electrode, the organic layer including an organic light emitting layer; and a second electrode on the bank, the spacer, and the organic layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.