Invention Grant
- Patent Title: QLED devices, hole transport materials and producing methods thereof, and display devices
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Application No.: US17426615Application Date: 2021-01-11
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Publication No.: US12219787B2Publication Date: 2025-02-04
- Inventor: Jingwen Feng
- Applicant: BOE Technology Group Co., Ltd.
- Applicant Address: CN Beijing
- Assignee: BOE Technology Group Co., Ltd.
- Current Assignee: BOE Technology Group Co., Ltd.
- Current Assignee Address: CN Beijing
- Agency: IPro, PLLC
- Priority: CN202010047324.6 20200116
- International Application: PCT/CN2021/071135 WO 20210111
- International Announcement: WO2021/143653 WO 20210722
- Main IPC: H01L51/50
- IPC: H01L51/50 ; C08K3/22 ; C08K3/30 ; H10K50/115 ; H10K50/15 ; H10K50/16 ; H10K50/17 ; H10K71/00 ; H10K85/10 ; B82Y20/00 ; H10K102/00
Abstract:
The present invention provides QLED devices, hole transport materials and producing methods thereof, and display devices. A hole transport material includes a polymer, wherein the polymer is a single nanoparticle including at least a first metal compound and a second metal compound, the first metal compound and the second metal compound are linked via a covalent bond or a Van der Waals force, and valence band energy levels of the first metal compound and the second metal compound are different.
Public/Granted literature
- US20220102664A1 QLED DEVICES, HOLE TRANSPORT MATERIALS AND PRODUCING METHODS THEREOF, AND DISPLAY DEVICES Public/Granted day:2022-03-31
Information query
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