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US 6,323,880 B1Granted
Gray scale expression method and gray scale display device
AssigneeNEC Corporation
InventorHachiro Yamada
Life of this patent
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AssigneeNEC Corporation
InventorHachiro Yamada
Estimating the term…
In order to restrict a degradation of image quality due to fake contours of moving images, gray scale is displayed by dividing one field period into sub-fields and combining the sub-fields including a plurality of sub-fields weighted such that a light intensity of a certain one of the plurality of the sub-fields is smaller than two times a light intensity of a lower sub-field adjacent to the certain sub-field and larger than the light intensity of the lower sub-field. Further, a light intensity information code converter circuit responsive to binary numbers expressing weights of light intensities of the plurality of the sub-fields for outputting a light intensity information expressing weights in a range satisfying a condition that a light intensity of a certain one of the plurality of the sub-fields is smaller than two times a light intensity of a lower sub-field adjacent to the certain sub-field and larger than the light intensity of the lower sub-field.
A gray scale display device for displaying gray levels by combining plurality of sub-fields obtained by dividing one field period, comprising:
A gray scale display device for displaying gray levels by combining plurality of sub-fields obtained by dividing one field period, comprising:
A gray scale display device for displaying gray levels by combining plurality of sub-fields obtained by dividing one field period, comprising:
A gray scale display method, comprising:
A gray scale display method, comprising:
A gray scale display method, comprising:
Dependencies are inferred from the claim text.