Flexible display substrate and preparation method thereof
A flexible display and flexible substrate technology, applied in the flexible display substrate structure, flexible display substrate manufacturing, flexible display substrate field, can solve problems such as air blowing, affecting yield, material stability decline, etc., to achieve simple film forming operation, The effect of saving cost and improving yield rate
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Example Embodiment
[0037] Example 1
[0038] Such as figure 2 Shown is a schematic cross-sectional view of a flexible display substrate 200 according to Embodiment 1 of the present invention, including a flexible substrate 203;
[0039] Set on the first surface of the flexible substrate 203 (i.e. figure 2 (Shown on the upper surface) on the display element 204; and
[0040] Set on the second surface of the flexible substrate (i.e. as figure 2 The release layer structure 202 on the lower surface shown,
[0041] The release layer structure 202 includes at least one release layer 2021;
[0042] The release layer 2021 is an inorganic material containing intermolecular hydrogen bonds.
[0043] The release layer 2021 of the flexible display substrate provided by this embodiment is an inorganic material containing intermolecular hydrogen bonds, has good adhesion, is easy to combine with flexible substrates or other carriers, has a simple manufacturing process, and will not be used in subsequent steps. Air bu...
Example Embodiment
[0081] Example 2
[0082] The structure of the flexible display substrate of Embodiment 2 is different from that of Embodiment 1 only in that the release layer structure is different.
[0083] Such as Figure 5 Shown is a schematic cross-sectional view of a release layer structure 200' according to Embodiment 2 of the present invention. In the release layer structure 202', the release layer 2021' and the water blocking layer 2022' are alternately arranged.
[0084] In the modified embodiment of Example 2, the release layer structure 202' is a structure in which the release layer 2021' and the water blocking layer 2022' are alternately arranged three or more times.
[0085] Regarding the preparation method of the flexible display substrate of Embodiment 2, the difference from Embodiment 1 is: 1) Forming the release layer structure 202' on the support carrier includes: the release layer 2021' and the water blocking layer 2022' are alternately formed.
[0086] Specifically, the release ...
Example Embodiment
[0090] Example 3
[0091] In embodiment 3, the same parts as in embodiment 2 will not be repeated here, the difference is: the release layer structure is a sandwich structure of "water blocking layer-center layer-release layer", in which the water blocking layer It is directly combined with the flexible substrate, and the release layer is directly combined with the support carrier; the central layer can be one or more layers, and it can be an inorganic material layer or an organic material layer, as long as it is not affected by temperature in the subsequent production process. And other reasons affect the flatness of the flexible substrate. Of course, the release layer structure may also be a structure in which the sandwich structure is alternately arranged multiple times.
[0092] In another implementation of Example 3, the same structure as the first implementation of Example 3 will not be repeated here. The difference is that the release layer and the supporting carrier are no...
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