When a detection device such as a gyroscope sensor or an acceleration sensor is provided inside the portable information terminal 910, the direction of display on the screen of the display portion 912 can be automatically changed by determining the orientation of the portable information terminal 910 (whether the portable information terminal 910 is placed horizontally or vertically). Furthermore, the direction of display on the screen can be changed by touch on the display portion 912, operation with the operation button 913, sound input using the microphone 916, or the like.
The portable information terminal 910 functions as, for example, one or more of a telephone set, a notebook, and an information browsing system. Specifically, the portable information terminal 910 can be used as a smartphone. The portable information terminal 910 is capable of executing a variety of applications such as mobile phone calls, e-mailing, viewing and editing texts, music reproduction, reproducing a moving image, Internet communication, and computer games, for example.
A camera 920 illustrated in
The light-emitting device manufactured using one embodiment of the present invention can be used for the display portion 922. Thus, the camera can be manufactured with high yield.
Although the lens 926 of the camera 920 here is detachable from the housing 921 for replacement, the lens 926 may be incorporated into the housing 921.