| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To correct unevenness of a quantity of light of each light emitting element controlled by gradation data, by a simple means. <P>SOLUTION: A constant voltage is impressed by a control part 1 to each light emitting element La arranged at a light emitting element line 5, and control based on the gradation data supplied from a body controller 7 is carried out. At this time, data for correcting the unevenness of the quantity of light of each light emitting element is formed by a gradation correction setting means 3, and the correction data is added to the gradation data for each light emitting element La. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
