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US 2001/0011976 A1Published application
Display apparatus capable of adjusting subfield number according to brightness
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsMitsuhiro Kasahara, Yuichi Ishikawa, Tomoko Morita
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Abstract
A display apparatus adjusts the brightness of a plasma display panel. The display apparatus comprises an adjusting device, which acquires image brightness data, and adjusts the number of subfields Z on the basis of brightness data.
Claims19
A display apparatus for creating, for each picture, Z subfields from a first to a Zth in accordance with Z bit representation of each pixel, weighting N to each subfield, a multiplication factor A for amplifying a picture signal, and a number of gradation display points K, said display apparatus, comprising:
- brightness detecting means (26, 28), which acquire image brightness data;
- and
- adjusting means (30), which adjust the subfield number Z based on brightness data.
Dependencies are inferred from the claim text.