Patent ID: 8259191
Filing Date: 2012-09-04
Classification: G09G

Abstract:
1. A backlight adjustment device of a camera-equipped terminal, comprising: a storage unit which stores relational data indicating relationship between an integrated value and a luminance; an integrated value calculation unit which determines an integrated value of imaging data of a camera or data in a predetermined range of the imaging data; a first control unit which determines the luminance with respect to the integrated value of the imaging data of the camera determined by the integrated value calculation unit based on the relational data stored in the storage unit; and a second control unit which controls brightness of a backlight of an image display unit according to the luminance determined by the first control unit, wherein the relational data indicates relationship between the integrated value and the luminance with respect to a plurality of exposure times, the integrated value calculation unit determines the integrated value of the imaging data of the camera in an exposure time set in the camera, and the first control unit determines whether the integrated value determined by the integrated value calculation unit falls within an effective range, and determines the luminance with respect to the integrated value of the imaging data of the camera in the exposure time set in the camera, based on the relational data, upon determining that the determined integrated value falls within the effective range, and switches the exposure time set in the camera upon determining that the determined integrated value falls outside the effective range.