Driving method and driving circuit for grey display of organic electroluminescent display device |
Title: |
Driving method and driving circuit for grey display of organic electroluminescent display device |
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Application Number: |
01136393 |
Application Date: |
2001/10/12 |
Announcement Date: |
2002/03/13 |
Pub. Date: |
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Publication Number: |
1339772 |
Announcement Number: |
1139907 |
Grant Date: |
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Granted Pub. Date: |
2004-2-25 |
ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
G09G 3/30 |
Applicant(s): |
Qinghua Univ. |
Inventor(s): |
Dong Guifang, Tian Guojun, Qiu Yong |
Key Words: |
Driving method, driving circuit, grey display, organic electroluminescent, display device |
Abstract: |
The present invention provides a kind of driving method and driving circuit for grey display of organic electroluminescent display device. The present invention provides pulse width modulation method to reach 1-256 grey levels, constant current input and 128 or more channel output and is favorable to realize color image display of organic electroluminescent display device. |
Claim: |
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Priority: |
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PCT: |
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LegalStatus: |
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