OLED panel and preparation method
A panel and substrate technology, applied in the field of OLED panels and preparation, can solve the problems of electrode oxidation, poor chemical reaction of organic materials, and shortened service life of OLED devices, and achieve the effects of prolonging service life and improving water vapor and oxygen barrier capabilities.
Active Publication Date: 2019-02-22
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Problems solved by technology
Existing preparation methods still make the edge of the OLED device vulnerable to water vapor and oxygen intrusion, which in turn causes phenomena such as electrode oxidation, poor chemical reaction of organic materials, or black spots, thereby reducing the service life of the OLED device.
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[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.
[0036] see figure 1 , figure 1 It is a schematic cross-sectional view of the first embodiment of the OLED panel provided in this application.
[0037] An embodiment of the present application provides an OLED panel, including:
[0038] A light-emitting substrate 10, and at least one set of encapsulation films disposed on the light-emitting substrate.
[0039] Wherein, the packaging film includes a first inorganic layer 101 disposed on the light emitting substrate 10 . The ed...
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Abstract
The present application provides an OLED panel and a preparation method. The OLED panel includes a light-emitting substrate, and at least one group of packaging film disposed on the light-emitting substrate, wherein the packaging film includes a first inorganic layer disposed on the light-emitting substrate; the edge region of the first inorganic layer is provided with an inorganic barrier wall; an organic layer is disposed on the first inorganic layer and is blocked in the inorganic barrier wall; and the organic layer is provided with a second inorganic layer covering the first inorganic layer, the organic layer, and the inorganic barrier wall. By disposing the inorganic barrier wall in the edge region of the first inorganic layer, a purpose of improving the water vapor and oxygen barriercapability of the OLED panel is achieved, thereby prolonging the service life of the OLED panel.
Description
technical field [0001] The present application relates to the field of display technology, in particular to an OLED panel and a preparation method. Background technique [0002] Organic light emitting diode (Organic Light Emitting Diode, OLED), as a current-type light-emitting device, is widely used because of its advantages such as self-illumination, rich colors, fast response speed, wide viewing angle, light weight, and flexible display. focus on. [0003] However, OLED devices are very sensitive to moisture and oxygen. Therefore, OLED devices usually need to be fabricated. Existing preparation methods still make the edge of the OLED device vulnerable to water vapor and oxygen intrusion, which in turn causes phenomena such as electrode oxidation, poor chemical reaction of organic materials, or black spots, thereby reducing the service life of the OLED device. [0004] Therefore, it is necessary to provide an OLED panel and a preparation method to solve the problems exis...
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IPC IPC(8): H01L51/52H01L51/56
CPCH10K71/00H10K59/8731H10K2102/00H10K50/8428
Inventor 张兴永
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD