Abstract
We propose a behavioral circuit model to precisely predict optical responses of an active-matrix liquid crystal (LC) display (LCD) using a patterned vertical alignment (PVA) mode. To get more accurate simulation results, we propose two LC groups with different time constants for a pixel after observing the LCD pixels by using a high-speed camera. In addition, we include a time-delay concept into our behavioral model for brightening or rising transitions. We describe the behavior of the PVA-LCD by using the analog hardware description language Verilog-A. We simulate the PVA-LCD panel by importing the behavioral circuit model in the circuit simulator SmartSPICE. The simulation results of the transient optical responses show excellent matches with the measurement ones.
| Original language | English |
|---|---|
| Article number | 6172661 |
| Pages (from-to) | 1430-1438 |
| Number of pages | 9 |
| Journal | IEEE Transactions on Electron Devices |
| Volume | 59 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - May 2012 |
Bibliographical note
Funding Information:Manuscript received September 23, 2011; revised January 19, 2012; accepted February 13, 2012. Date of publication March 22, 2012; date of current version April 25, 2012. This work was supported by the National Research Foundation of Korea under Grant KRF 2011-0015721. The review of this paper was arranged by Editor H.-S. Tae.
Keywords
- Behavioral circuit model
- SPICE simulation
- optical response
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