| Original document(23 pages) 中文版 |
An organic electroluminescent display device employing a demultiplexer to reduce the number of output lines of a data driver. The display device uses the demultiplexer to store a data voltage in a data line, and supplies the stored data voltage to a pixel when a scan signal is applied, thereby displaying an image. Here, the data voltage supplied to the pixel is lowered because an electric charge is shared between a data line capacitor and a storage capacitor in the pixel. To compensate for the lowered data voltage, an auxiliary capacitor is provided for generating a compensation voltage. Here, the auxiliary capacitor increases the data voltage according to a level change of the scan signal. Therefore, a decrease in level of the voltage applied to the pixel is reduced or prevented so that DC/DC efficiency is enhanced without lowering a power supply voltage and a reference voltage. |
Application Number
申请号 |
200610127463 |
Application Date
申请日 |
2006.09.15 |
| Title 名称 |
Organic electroluminescent display device |
Publication Number
公开号 |
1933688 |
Publication Date
公开日 |
2007.03.21 |
| Approval Pub. Date |
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Granted Pub. Date |
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| International Classification 分类号 |
H05B33/08;G09G3/00 |
Applicant(s) Name
申请人 |
Samsung SDI Co., Ltd. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
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| Attorney & Agent 代理人 |
guohong xi liyun xia |
| More information 更 多 信 息 |
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