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A new driving method for LCoS with frame buffer pixels

机译：具有帧缓冲像素的LCoS的新驱动方法

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A new driving method for LCoS microdisplays with frame buffer pixels was developed here. The power dissipation of the LCoS microdisplays with frame buffer pixels is higher than that of the LCoS with DRAM-like pixels due to the twice samplings in LCoS with frame buffer pixels. In this paper, an adiabatic charging method was used to the second sampling of the frame buffer pixels in order to reduce the power dissipated in the transistors. The power dissipation of the second sampling was calculated when the power sources of the step, the ramp and the stair-step are used respectively. The conventional design adopted the step and contributed to high power and so result in more heat to deteriorate the device performance. The power dissipated in the transistors is almost zero if the ideal ramp source is used. The ramp can be the stair-step whose steps are infinity. The stair-step substitutes for the ramp due to easily generation and higher energy efficiency than the step. It can decrease the power dissipation of the LCoS panel and contributes to the heat reduction caused by power dissipation which can increase the microdisplay devices reliability. This method was developed based on the frame buffer pixel circuits which we proposed previously and can be applied to the others.
机译：在此开发了一种新的具有帧缓冲像素的LCoS微型显示器的驱动方法。具有帧缓冲像素的LCoS微型显示器的功耗高于具有DRAM类像素的LCoS，这是因为具有帧缓冲像素的LCoS进行了两次采样。在本文中，绝热充电方法用于帧缓冲像素的第二次采样，以降低晶体管的功耗。当分别使用阶梯，斜坡和阶梯的电源时，计算第二次采样的功耗。常规设计采用了该步骤并导致了高功率，因此导致更多的热量降低了器件性能。如果使用理想的斜坡源，则晶体管的功耗几乎为零。斜坡可以是阶梯，阶梯可以是无穷大。由于易于产生且比台阶具有更高的能源效率，因此台阶可以代替坡道。它可以减少LCoS面板的功耗，并有助于降低功耗所产生的热量，从而可以提高微显示设备的可靠性。该方法是基于我们先前提出的帧缓冲像素电路开发的，可以应用于其他方法。

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