Plasma display apparatus

A plasma display apparatus, in which the display quality of a dark image is improved and which uses a subfield method, has been disclosed. The plasma display apparatus comprises a plasma display panel (11), a sustain pulse cycle changing means (26) for detecting the display load ratio of each subfie...

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Bibliographic Details
Main Authors NOGUCHI YASUJI, OOTA SHUNJI, CHIAKI YUTAKA, TAKEUCHI MASANORI
Format Patent
LanguageChinese
English
Published 17.09.2008
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
BASIC ELECTRIC ELEMENTS
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
LABELS OR NAME-PLATES
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
SEALS
SIGNS
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Summary:A plasma display apparatus, in which the display quality of a dark image is improved and which uses a subfield method, has been disclosed. The plasma display apparatus comprises a plasma display panel (11), a sustain pulse cycle changing means (26) for detecting the display load ratio of each subfield and changing the sustain pulse cycle of each subfield according to the display load ratio, and an adaptive subfield number changing means (28) for calculating a vacant time in a display frame generated by changing the sustain pulse cycle, judging whether a subfield can be added according to the vacant time, and determining the number of subfields in the display frame.
Bibliography:Application Number: CN200510007796