| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cellular phone which is used without impairing convenience and enhances operability in a condition where functions of the cellular phone are switched. <P>SOLUTION: This cellular phone comprise a photosensor, a display, a pixel circuit section in which a plurality of pixels provided with a plurality of transistors are provided in the shape of a matrix, an optical sensor control circuit which is connected to an optical sensor driving circuit for driving the optical sensor and reads signals from the optical sensor, a display section control circuit which is connected to a display driving circuit for driving the display and outputs image signals for displaying images on a display section, a gradient detection section for outputting signals corresponding to a gradient of the cellular phone, and an arithmetic circuit for performing display in the pixel circuit section by switching image signals output to the display section control circuit with signals from the gradient detection section. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
