Invention Grant
- Patent Title: Crosslinked emissive layer containing quantum dots for light-emitting device and method for making same
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Application No.: US16725578Application Date: 2019-12-23
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Publication No.: US10897024B2Publication Date: 2021-01-19
- Inventor: Enrico Angioni , James Andrew Robert Palles-Dimmock , Edward Andrew Boardman , Tim Michael Smeeton
- Applicant: Sharp Kabushiki Kaisha
- Applicant Address: JP Osaka
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L51/52 ; H01L51/56 ; H01L33/06 ; B82Y20/00

Abstract:
A light-emitting device includes an anode; a cathode; and an emissive layer disposed between the anode and the cathode, the emissive layer including quantum dots dispersed in a crosslinked matrix formed from one or more crosslinkable charge transport materials. A method of forming the emissive layer of a light-emitting device includes depositing a mixture including quantum dots and one or more crosslinkable charge transport materials on a layer; and subjecting at least a portion of the mixture to UV activation to form an emissive layer including quantum dots dispersed in a crosslinked matrix.
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