Title:
DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, DISPLAY DEVICE, AND INKJET PRINTING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/032149
Kind Code:
A1
Abstract:
A display substrate and a manufacturing method thereof, a display device, and an inkjet printing method. The display substrate comprises a base substrate. A pixel definition layer is provided at the base substrate. The pixel definition layer is provided with a pixel area for accommodating print drops. A stepped hole having a step shape is formed in the pixel area. The stepped hole comprises at least two steps. A barrier wall is provided inside the stepped hole to separate the adjacent steps.
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Inventors:
JIA WENBIN (CN)
Application Number:
PCT/CN2020/110172
Publication Date:
February 25, 2021
Filing Date:
August 20, 2020
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
HEFEI BOE JOINT TECH CO LTD (CN)
HEFEI BOE JOINT TECH CO LTD (CN)
International Classes:
H01L51/50; H01L27/32; H01L51/56
Foreign References:
| CN110459690A | 2019-11-15 | |||
| CN107393939A | 2017-11-24 | |||
| JP2013089293A | 2013-05-13 | |||
| US7219978B2 | 2007-05-22 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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