81 research outputs found
O\u27Brien, Jadine oral history interview
No full textJadine (Raynes) O’Brien was born August 1931 in Whitman, Massachusetts. Her father, John Raynes, was in the chicken business. Her mother, Eunice Raynes, worked in a dress shop. Jadine worked in the same dress shop and put herself through school at Westbrook College in Maine. She was inspired by John Kennedy to get involved with politics and particularly, the Democratic Party, which she did with her husband Jack O’Brien. After college, she worked for Peter N. Kyros, Sr., then got involved in Portland city government and directed the Model Cities Program. Later, she ran for Congress against Peter Kyros in 1974 and lost, then went to work for the Center for Community Dental Health until 1979, when she went to work for Governor Joe Brennan as a member of his cabinet. Later, she worked for Blue Cross and Blue Shield. She has worked as a lobbyist for more than 16 years
Short pitch cholesteric electro-optical device based on periodic polymer structures
No full textThe helical flexoelectro-optic effect produces a submillisecond, temperature-independent in-plane rotation of the optical axis and is potentially interesting for the display industry. The main drawback is that it relies on a texture, the uniform lying helix (ULH), which is intrinsically unstable. We present a method based on the use of periodic polymeric microchannels to create highly ordered and stable ULH structures. Electro-optic measurements performed on a test device show a large contrast ratio between bright and dark states (better then 100:1), fast switching (200 μs), and large optical rotation (>30°). © 2009 American Institute of Physics
Investigation of the bend transition in Pi-cell devices
No full textThe Pi-cell is known to have the fastest response time amongst commercialised nematic LCD applications due to the bend configuration. The Bend configuration can be obtained when a high voltage is applied to a Pi-cell initially treated to have a splay configuration, but transition is complex because the splay and the bend states are topologically not identical. Although two possible mechanisms (anchoring breaking and order reconstruction) can explain the bend transition, it is still difficult to be certain of the mechanism in some cases. In this thesis, therefore, the bend transition mechanism in the Pi-cell is investigated.Whichever mechanism is present, the bend transition speed is expected to increase when a high voltage is applied to the cell. However, in some cases, the application of a higher voltage reduces the bend transition speed. These phenomena are discussed based on various experimental results, and the reasons are also discussed. Four different regimes are suggested depending on the bend transition speed change. From these results, it is possible to understand the best way to obtain the bend state quickly in a TFT-LCD in the Pi-cell mode.During the experiments, unexpected light leakage was observed in the extinction position. It was proved that the light leakage came from the residual twist angle caused by the manufacturing process. In addition, two new methods were suggested for measuring the residual twist angle from the light leakage. One of the methods, the analytic method, was extended to the TN-cell.Allowing for the residual twist angle in the Pi-cell, the reason for lower CR compared to other LCD modes is discussed, and methods are suggested in this thesis to improve the CR of Pi-cell devices
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Movie in search of America: The rhetoric of myth in Easy Rider
No full textThis thesis is a rhetorical analysis of the movie Easy Rider. It explores how auteurs Peter Fonda, Dennis Hopper, and Terry Southern\u27s use of road, regional, and cowboy mythology creates a text that simultaneously exposes and is dominated by the ironies inherent in American culture and breathes new life into the cowboy myth, reaffirming the cowboy\u27s place as one of America\u27s most enduring cultural icons
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