On March 12, Huawei Technologies Co., Ltd. published a patent for “a method for displaying fingerprint prompt patterns, a method and device for unlocking fingerprints under the screen”. The patent application date is September 11, 2019, and the publication number is CN112487845A.
The patent abstract shows that when the technical solution provided by the embodiment of this application is used to display the fingerprint prompt pattern, because multiple fingerprint prompt patterns are displayed in turn, and the display positions of the multiple fingerprint patterns in the fingerprint prompt area are not completely overlapped. Therefore, When displaying the fingerprint prompt pattern, it avoided that the display device displaying the fingerprint prompt pattern always in the lighted state, so the method for displaying the fingerprint prompt pattern provided in this application is beneficial to increase the service life of the display device in the fingerprint prompt area.
