| Preface |
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viii | |
| 1 Introduction |
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1 | (12) |
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1.1 Organic light emitting diode displays |
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1 | (5) |
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1.2 Flat-panel biomedical imagers |
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6 | (2) |
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1.3 Backplane technologies |
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8 | (3) |
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11 | (2) |
| 2 Design considerations |
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13 | (33) |
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2.1 Temporal and spatial non-uniformity |
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13 | (2) |
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15 | (20) |
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2.2.1 Current driving scheme |
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17 | (8) |
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2.2.2 Voltage driving scheme |
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25 | (10) |
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2.3 Design considerations for AMOLED displays |
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35 | (4) |
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36 | (1) |
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2.3.2 Differential aging and mura |
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37 | (1) |
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38 | (1) |
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38 | (1) |
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2.3.5 IR drop and ground bouncing |
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38 | (1) |
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2.3.6 Implementation cost |
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39 | (1) |
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2.4 Design considerations for flat-panel imager |
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39 | (5) |
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2.4.1 Input referred noise and dynamic range |
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42 | (2) |
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2.4.2 Implementation cost |
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44 | (1) |
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44 | (2) |
| 3 Hybrid voltage-current programming |
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46 | (28) |
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3.1 Multi-modal biomedical imaging pixel circuit |
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46 | (6) |
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3.2 Multi-modal biomedical sensor array |
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52 | (14) |
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3.2.1 Peripheral circuitries |
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55 | (2) |
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3.2.2 Measurement results |
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57 | (6) |
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3.2.3 Improved dynamic range |
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63 | (1) |
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3.2.4 Noise analysis of CBVP pixel circuit |
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64 | (2) |
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3.3 CBVP AMOLED pixel circuit |
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66 | (6) |
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72 | (2) |
| 4 Enhanced-settling current programming |
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74 | (19) |
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4.1 Localized current source |
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74 | (3) |
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77 | (1) |
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78 | (14) |
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4.3.1 Stability and noise analysis |
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81 | (3) |
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4.3.2 Measurement results and discussion |
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84 | (3) |
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4.3.3 Self-calibration of the current source |
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87 | (5) |
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92 | (1) |
| 5 Charge-based driving scheme |
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93 | (21) |
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5.1 Charge-based pixel circuit |
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93 | (10) |
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5.1.1 Measurement results |
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95 | (3) |
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5.1.2 Implementation of the relaxation technique |
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98 | (2) |
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100 | (3) |
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5.2 Real-time biomedical imaging pixel circuit |
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103 | (9) |
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5.2.1 Noise analysis of charge-based pixel circuit |
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109 | (3) |
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112 | (2) |
| 6 High-resolution architectures |
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114 | (24) |
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6.1 Time-dependent charge injection and clock feed-through |
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114 | (6) |
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6.2 Successive calibration |
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120 | (6) |
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6.3 Arrays structure and timing |
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126 | (3) |
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6.3.1 Blanking-time extraction |
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128 | (1) |
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6.3.2 Simultaneous extraction |
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128 | (1) |
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6.4 Configurable current comparator |
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129 | (2) |
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6.5 Measurement results and discussions |
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131 | (5) |
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136 | (1) |
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137 | (1) |
| 7 Summary and outlook |
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138 | (4) |
| Appendix A Enhanced voltage driving schemes |
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142 | (9) |
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A.1 Interleaved addressing scheme |
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142 | (9) |
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A.1.1 3-TFT pixel circuit |
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143 | (8) |
| Appendix B OLED electrical calibration |
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151 | (6) |
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B.1 Interdependence between electrical and luminance degradation |
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151 | (1) |
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B.2 Electrical compensation of OLED degradation |
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152 | (2) |
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B.3 Compensating for different stress levels |
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154 | (3) |
| References |
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157 | (10) |
| Index |
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167 | |