The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 2019
Filed:
Feb. 18, 2013
Lg Electronics Inc., Seoul, KR;
Kyung Min Lee, Seoul, KR;
Yong Taek Gong, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
An operation method of a portable terminal according to an embodiment of the present invention comprises the steps of: entering a window screen movement mode in which a window screen of a foreground task is displayed uppermost and one or more window screens are stacked in multiple layers under the window screen of the foreground task; selecting a window screen from a plurality of window screens according to a user's movement command; changing the transparency of at least a part of areas of window screens stacked on the selected window screen; and displaying the selected window screen as a foreground screen and terminating the window screen movement mode when an input determining the selected window screen is received. Therefore, it is possible to switch screens and tasks more swiftly and conveniently, thereby improving user convenience.