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Patent Searching and Data


Title:
DISPLAY PANEL MANUFACTURING METHOD AND DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2022/123371
Kind Code:
A1
Abstract:
Provided is a novel display panel having excellent functionality. The present invention pertains to a display panel and a display panel manufacturing method which comprises: forming an insulator having at least first and second openings on a substrate; forming a first material layer, which includes an organic compound of a first light emission element, on the first opening and a second material layer, which includes an organic compound of a second light emission element, on the second opening, by using a wet process; selectively forming a first resist mask and a second resist mask on the first material layer and the second material layer, respectively; forming a third material layer by processing the first material layer using the first resist mask; and forming a fourth material layer by processing the second material layer using the second resist mask. A hole transporting material, a light emission material, or the like can be used as the organic compounds of the light emission elements.

Inventors:
YAMAZAKI SHUNPEI (JP)
EGUCHI SHINGO (JP)
OKAZAKI KENICHI (JP)
Application Number:
PCT/IB2021/060794
Publication Date:
June 16, 2022
Filing Date:
November 22, 2021
Export Citation:
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Assignee:
SEMICONDUCTOR ENERGY LAB (JP)
International Classes:
H05B33/10; G09F9/30; H01L27/32; H01L51/50; H05B33/12; H05B33/22
Foreign References:
JP2009135053A2009-06-18
JP2019021385A2019-02-07
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