公开(公告)号：US09813766B2

公开(公告)日：2017-11-07

申请号：US15121867

申请日：2015-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Sanghoon Jeon ,  Peter Nordstrom ,  Ian Cain ,  Yousun Lee ,  Robert Jagt

IPC: H04N21/462 ,  H04N21/414 ,  H04N21/431

CPC classification number: H04N21/4622 ,  H04N21/41407 ,  H04N21/4312 ,  H04N21/4316

Abstract: Disclosed are various embodiment(s) for a digital device and a service processing method by the digital device. Here, a digital device according to an embodiment of the present invention comprises: a display processing unit for transmitting a first lifecycle message, a second lifecycle message, and coordinate information on the size and the position of the second application in a display, to Webkits of a first application and a second application, when a plurality of applications exist in the foreground; a display engine comprising a main sink for the first application and a sub sink for the second application; and a video processing unit for connecting the first application to the main sink of the display engine according to an identifier and a connection request received from a Webkit of the first application and connecting the second application to the sub sink of the display engine according to an identifier and a connection request received from a Webkit of the second application. Therefore, the digital device outputs a video source of the plurality of applications existing in the foreground.