Laminated OLED display panel, manufacturing method thereof and display device

A technology for a display panel and a manufacturing method, which is applied in the manufacturing of semiconductor/solid-state devices, electrical components, and electrical solid-state devices, etc., can solve problems such as pixel crosstalk, and achieve the effects of increasing impedance, saving processing time, and improving pixel leakage.
CN107464833AActive Publication Date: 2017-12-12BOE TECH GRP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BOE TECH GRP CO LTD
Publication Date
2017-12-12

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Abstract

The invention provides a laminated OLED display panel, a manufacturing method thereof and a display device. The laminated OLED display panel comprises a pixel limiting layer, a first charge generation layer, a blocked layer and a second charge generation layer, wherein the pixel limiting layer comprises multiple pixel limiting regions, multiple pixel limiting regions are crossed, and multiple openings are formed in the multiple pixel limiting regions; the first charge generation layer is provided with a first doping type and is located on the pixel limiting layer and in the openings; the blocked layer is located on a part, corresponding to the pixel limiting regions, of a first carrier migrating layer; and the second charge generation layer is provided with a second doping type and is located on the blocked layer and the first carrier migrating layer uncovered by the blocked layer. The laminated OLED display panel provided by the invention has the advantages that one blocked layer is arranged between different charge generation layers of different doping types, so that leakage current in the pixel limiting layers is blocked, impure chromaticity caused by luminescence of a non-pixel region is prevented, and crosstalk problem between adjacent pixels is alleviated; besides, the material of the blocked layer is easy to get, processing cost is saved, and processing technology is simplified.
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Description

technical field

[0001] The present invention relates to the field of display technology, in particular, to a laminated OLED display panel, a manufacturing method thereof, and a display device including a laminated OLED display panel. Background technique

[0002] OLED (Organic Light Emitting Diode, Organic Light Emitting Diode), as a current-mode light-emitting device, has the advantages of self-luminescence, fast response, wide viewing angle, and can be fabricated on a flexible substrate, and is widely used in the field of high-performance display. Compared with traditional OLED display panels, laminated OLED display panels can effectively improve brightness and luminous efficiency, and can also achieve high brightness at low power density, thereby avoiding electric field breakdown, thereby prolonging the service life of laminated OLED display panels.

[0003] With the continuous improvement of user requirements for display quality, the resolution of laminated OLED display ...

Claims

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