CHARGE CONTROL TECHNIQUES FOR SELECTIVELY ACTIVATING AN ARRAY OF DEVICES
- 申请公布号：
- US2011148837(A1)
- 申请号：
- US20090642437
- 申请日期：
- 2009.12.18
- 申请公布日期：
- 2011.06.23
- 申请人：
- QUALCOMM MEMS TECHNOLOGIES, INC.
- 发明人：
- GOVIL ALOK
- 分类号：
- G09G5/00;G02B26/00
- 主分类号：
- G09G5/00
- 摘要：
- Methods and apparatus are described by which charge may be delivered to an array of electromechanical devices (e.g., MEMS or NEMS) driven in parallel such that only a desired number of the devices are actuated. Specific embodiments relate to visual displays implemented using interferometric modulators (IMODs). In particular, spatial half-toning techniques for achieving grayscale in such displays are described that are not characterized by the power penalty associated with conventional spatial half-toning techniques.
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