Organic light-emitting display apparatus and method of manufacturing the same

US11227998B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11227998-B2
Application numberUS-202017090681-A
CountryUS
Kind codeB2
Filing dateNov 5, 2020
Priority dateJul 22, 2015
Publication dateJan 18, 2022
Grant dateJan 18, 2022

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An organic light-emitting display apparatus including a first electrode disposed on a substrate; a pixel defining layer covering an edge of the first electrode; a layer disposed on the pixel defining layer, the layer including a fluoropolymer and contacting a top surface of the first electrode; a first organic functional layer including a first light emitting layer, the first organic functional layer having a lower surface contacting the top surface of the first electrode; and a second electrode disposed on the first organic functional layer.

First claim

Opening claim text (preview).

What is claimed is: 1. An organic light-emitting display apparatus, comprising: a first electrode disposed on a substrate; a pixel defining layer covering an edge of the first electrode; a layer disposed on the pixel defining layer, the layer comprising a fluoropolymer and contacting a top surface of the first electrode; a first organic functional layer comprising a first light emitting layer, the first organic functional layer having a lower surface contacting the top surface of the first electrode; and a second electrode disposed on the first organic functional layer. 2. The organic light-emitting display apparatus of claim 1 , wherein the fluoropolymer has a fluorine content in a range of about 20˜60 wt %. 3. The organic light-emitting display apparatus of claim 1 , wherein the fluoropolymer comprises at least one of polytetrafluoroethylene, polychlorotrifluoroethylene, polydichlorodifluoroethylene, a copolymer of chlorotrifluoroethylene and dichlorodifluoroethylene, a copolymer of tetrafluoroethylene and perfluoroalkylvinylether, a copolymer of chlorotrifluoroethylene and perfluoroalkylvinylether, a copolymer of tetrafluoroethylene and perfluoroalkylvinylether, and a copolymer of chlorotrifluoroethylene and perfluoroalkylvinylether. 4. The organic light-emitting display apparatus of claim 1 , wherein a thickness of the layer is equal to or greater than about 0.5 nm and equal to or less than about 5 nm. 5. The organic light-emitting display apparatus of claim 1 , wherein the organic functional layer comprises at least one functional layer of a hole injection layer, a hole transport layer, an electro transport layer, and an electron injection layer.

Assignees

Inventors

Classifications

  • combined with auxiliary electrodes · CPC title

  • characterised by the solvent used · CPC title

  • H10K59/35Primary

    comprising red-green-blue [RGB] subpixels · CPC title

  • Electricity · mapped topic

  • Electricity · mapped topic

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What does patent US11227998B2 cover?
An organic light-emitting display apparatus including a first electrode disposed on a substrate; a pixel defining layer covering an edge of the first electrode; a layer disposed on the pixel defining layer, the layer including a fluoropolymer and contacting a top surface of the first electrode; a first organic functional layer including a first light emitting layer, the first organic functional…
Who is the assignee on this patent?
Samsung Display Co Ltd
What technology area does this patent fall under?
Primary CPC classification H10K59/35. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jan 18 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).