Displaying device

Application Number: 00108612
Application Date: 2000.03.18
Publication Number: 1268730
Publication Date: 2000.10.04
Priority Information: 1999/3/18 JP 72889/99
International: G09G3/36
Applicant(s) Name: Semiconductor Energy Lab Co., Ltd.
Inventor(s) Name: Yamazaki Shunpei;Oyama Jun
Patent Agency Code: 72001
Patent Agent: zhang zhicheng
Abstract An object of the present invention is to provide a display device which enables multi-gray scale display without complicating the structure of D/A converter circuit. The measure taken to achieve the object is to use n bit of information among m bit digital video data inputted from external for voltage gray scale method, and (m-n) bit of information for time ratio gray scale.