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Characterization and minimization of flicker in silicon light valves (2001)

Huang, H. C. ; Cheng, P. W. ; Kwok, H. S.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 89 (2001), S. 831-837

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: We have performed systematic characterizations of flicker in silicon light valves. It was found that there were four conduction mechanisms accounting for the flicker. These four mechanisms were residual dc charge on the silicon surface, voltage holding capability of the liquid crystal cell, voltage holding capability of the silicon panel, and parasitic capacitor coupling of the pixel. Major causes of these four mechanisms were identified. Solutions of flicker minimization were obtained for each mechanism. Among these solutions, offset of common voltage was found very useful to compensate for residual dc charge and parasitic capacitor coupling. Frame rate multiplication was found very useful for the minimization of flicker due to low voltage holding capabilities of the liquid crystal cell and silicon panel. © 2001 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1331073

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Analytical representation of probabilities under the IAC condition (2000)

Huang, H. C. ; Chua, Vincent C. H.

Springer

Social choice and welfare 17 (2000), S. 143-155

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ISSN: 1432-217X

Source: Springer Online Journal Archives 1860-2000

Topics: Sociology , Economics

Notes: Abstract. This paper extends the work of Gehrlein and Fishburn (1976) and Gehrlein (1982) by providing a general theorem relating to the analytical representation of the probability of an event in a given space of profiles. It applies to any event characterized by a set of linear inequalities regardless of whether the coefficients defining the inequalities are integer or fractional coefficients. An algorithm for the probability calculation is also suggested. This suggested methodology is used to provide a complete characterization of the vulnerability properties of the four scoring rules studied in Lepelley and Mbih (1994) to manipulation by coalitions in a 3-alternative n-agent society.