Patent ID: 11881940
Assignee: LINE PLUS CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A secure message providing method comprising:
establishing, using at least one processor, a communication session between an account of a first user and an account of a second user through a messaging service;
receiving, using the at least one processor, a secure message from a first terminal of the first user through the established communication session, the secure message including content that is hidden;
receiving, using the at least one processor, a secure condition corresponding to the secure message through the established communication session, the secure condition set by the first user;
determining, using the at least one processor, whether a second terminal of the second user meets the received secure condition; and
displaying, using the at least one processor, the content of the secure message through a user interface corresponding to the established communication session while the secure condition is being met, the content being enabled for viewing by the second user,
wherein the secure condition comprises a brightness value or a brightness value range of a display selected or input by the first user, and
the determining comprises determining that the received secure condition is met while a brightness value of a display of the second terminal of the second user corresponds to the brightness value or the brightness value range included in the secure condition.