Patent ID: 9258396
Filing Date: 2016-02-09
CPC Classification: G06F,G09G,H04M

Claim Text:
1. A hand-held electronic device having a rolled-up screen, comprising: a casing, further including a main body, an extendable portion and at least a supportive member extending between the main body and the extendable portion; a flexible screen for displaying images thereon, the flexible screen is a touch screen; a reeling mechanism, mounted inside the extendable portion and connected with the flexible screen so as to reel elastically the flexible screen between an extended position and an initial position; a screen-detecting module for detecting whether the flexible screen is at the initial position or at the extended position and generating a detection signal accordingly; and an image-controlling module for controlling image-displaying on the flexible screen based on the detection signal, connected with the flexible screen and the screen-detecting module, controlling the flexible screen to display only on the first area while the screen-detecting module determines that the flexible screen is at the initial position, controlling the flexible screen to display on a third area while the screen-detecting module determines that the flexible screen is at the extended position; wherein, while the flexible screen is at the initial position, a first area of the flexible screen is exposed outside the casing, a second area thereof is retrieved inside the casing, the extendable portion is adjacent to one lateral side of the main body, and the second area of the flexible screen is retrieved inside the extendable portion by the reeling mechanism; wherein, while the flexible screen is at the extended position, both the first area and the second area are exposed outside the casing to form the integrated third area, the extendable portion is pulled away the lateral side so as to have the second area of the flexible screen to be extended between the lateral side and the extendable portion, and the extendable portion is supported at the main body by the at least one supportive member.