| 发明名称 |
NON-LINEAR GAMMA COMPENSATION CURRENT MODE DIGITAL-ANALOG CONVERTOR AND DISPLAY DEVICE INCLUDING THE SAME |
| 摘要 |
A non-linear gamma compensation current mode digital-analog converter includes: a first digital-analog converter block configured to: receive a digital signal, a first reference voltage, and a gamma adjustment voltage, and provide a reference current to a ground, wherein a first current flowing to a first current output terminal is determined according to the digital signal and the gamma adjustment voltage; and a second digital-analog converter block configured to: receive the digital signal, a second reference voltage, and a ground voltage, and provide the first current to the first digital-analog converter, wherein a second current flowing to a second current output terminal is determined according to the digital signal and the first current. |
| 申请公布号 |
US2015091784(A1) |
申请公布日期 |
2015.04.02 |
| 申请号 |
US201414218952 |
申请日期 |
2014.03.18 |
| 申请人 |
Korea Advanced Institute of Science and Technology ;Samsung Display Co., Ltd. |
发明人 |
Kwon Oh Jo;Min Kyung Youl;Shin Choong Sun;Ahn Hee Sun;Kim Hyun Sik;Bang Jun Suk;Cho Gyu Hyeong |
| 分类号 |
H03M1/72;G09G3/32 |
主分类号 |
H03M1/72 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A non-linear gamma compensation current mode digital-analog converter comprising:
a first digital-analog converter block configured to:
receive a digital signal, a first reference voltage, and a gamma adjustment voltage; andprovide a reference current to a ground, wherein a first current flowing to a first current output terminal is determined according to the digital signal and the gamma adjustment voltage; and a second digital-analog converter block configured to:
receive the digital signal, a second reference voltage, and a ground voltage; andprovide the first current to the first digital-analog converter, wherein a second current flowing to a second current output terminal is determined according to the digital signal and the first current. |
| 地址 |
Daejeon-dong KR |
