Alignment mark and preparation method thereof, substrate, display panel and display device
An alignment mark and display panel technology, which is applied in the manufacturing of semiconductor/solid-state devices, electrical components, and electric solid-state devices, etc., can solve the problems of subsequent alignment deviation, alignment abnormality, affecting the accuracy of alignment marks, etc., so as to reduce the deviation Influence and improve the effect of alignment accuracy
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[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0026] The embodiment of the present invention provides an alignment mark, such as figure 1 As shown, it includes an alignment mark main body 1 and a protective wall 2 , and the alignment mark main body 1 is located in an inner section surrounded by the protective wall 2 .
[0027] In the alignment mark provided by the present invention, the alignment mark main body 2 is used for alignment with the mask plate, and, as figure 1 and ...
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