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Title:
DISPLAY PANEL AND PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/206349
Kind Code:
A9
Abstract:
A display panel and a preparation method therefor, and a display device. The display panel comprises a substrate (10) and a light-emitting functional layer (20); the substrate (10) comprises a first display region (100) and a second display region (200) at least partially surrounding the first display region (100); the first display region (100) is used for image display and light transmission, and the second display region (200) is used for image display; the light-emitting functional layer (20) is located on one side of the substrate (10), and comprises organic electroluminescent layers (EMLs); the first display region (100) and the second display region (200) each comprise a plurality of sub-pixels emitting light rays of different colors, and light rays emitted by the organic EMLs of the sub-pixels located in the first display region (100) have the same color. Since the light rays emitted by the organic EMLs of the sub-pixels in the first display region (100) have the same color, the organic EMLs of the sub-pixels in the first display region (100) are formed of the same material, so that the sub-pixels in the first display region (100) have the same turn-on voltage, thereby solving the problem of low gray-scale white-picture color cast.

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Inventors:
YANG DONGFANG (CN)
ZHENG KENING (CN)
WANG DENGYU (CN)
YANG YAMIN (CN)
HAO XUEGUANG (CN)
WANG JINGQUAN (CN)
Application Number:
PCT/CN2022/090235
Publication Date:
January 11, 2024
Filing Date:
April 29, 2022
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
International Classes:
H01L27/32; H01L51/52; H01L51/56
Attorney, Agent or Firm:
BEIJING INTELLEGAL INTELLECTUAL PROPERTY AGENT LTD. (CN)
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