DISPLAY DEVICE
PROBLEM TO BE SOLVED: To adjust contrast without deteriorating gradations in a display device such as a plasma display. SOLUTION: The digital device such as a plasma display adaptively controlling emission by controlling a drive circuit according to APL of an input signal is made possible to perform...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English |
| Published |
11.01.2002
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | PROBLEM TO BE SOLVED: To adjust contrast without deteriorating gradations in a display device such as a plasma display. SOLUTION: The digital device such as a plasma display adaptively controlling emission by controlling a drive circuit according to APL of an input signal is made possible to perform fine contrast adjustment without deceasing a digitizes data amount (without deteriorating gradations) by providing the device with APL detection circuit 1 for detecting APL signal of the input signal and an input-output characteristic control circuit 2 for receiving the APL signal and converting an input-output characteristic, and adaptively controlling the number of driving pulse corresponding to the input signal and the number of sub-fields. |
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| AbstractList | PROBLEM TO BE SOLVED: To adjust contrast without deteriorating gradations in a display device such as a plasma display. SOLUTION: The digital device such as a plasma display adaptively controlling emission by controlling a drive circuit according to APL of an input signal is made possible to perform fine contrast adjustment without deceasing a digitizes data amount (without deteriorating gradations) by providing the device with APL detection circuit 1 for detecting APL signal of the input signal and an input-output characteristic control circuit 2 for receiving the APL signal and converting an input-output characteristic, and adaptively controlling the number of driving pulse corresponding to the input signal and the number of sub-fields. |
| Author | TSUJIHARA SUSUMU DOBASHI KENJI |
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| Notes | Application Number: JP20000182631 |
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| RelatedCompanies | MATSUSHITA ELECTRIC IND CO LTD |
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| Snippet | PROBLEM TO BE SOLVED: To adjust contrast without deteriorating gradations in a display device such as a plasma display. SOLUTION: The digital device such as a... |
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| SubjectTerms | ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS |
| Title | DISPLAY DEVICE |
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