ALCOM Center Patents
Resulting from Full or Partial NSF Support

NSF supported research at the Center for Advanced Liquid Crystalline Optical Materials (ALCOM) has resulted in 25 patents and 13 patent applications.

Date Number Title Inventors
10/5/93 5,251,048 Method and Apparatus for Electronic Switching of a Reflective Color Display Doane, Yang,
11/23/93 5,264,950 Light Modulating Device with Polarizer and Liquid Crystal Interspersed as Spherical or Randomly Distorted Droplets in Isotropic Polymer West, Carrell
5/24/94 5,315,419 Method of Producing a Homogeneously Aligned Chiral Smectic C Liquid Crystal Having Homeotropic Alignment Layers Saupe, Jakli
6/14/94 5,321,533 Polymer Dispersed Ferroelectric Smectic Liquid Crystal Kumar
11/29/94 5,368,770 Method of Preparing Thin Liquid Crystal Films Saupe, Jakli
12/19/95 5,477,358 Chiral Nematic Liquid Crystal Display with Homeotropic Alignment and Negative Dielectric Anisotropy Rosenblatt, Fisch, Crandall, Petschek
1/24/95 5,384,067 Grey Scale Liquid Crystal Material Doane, Yang
8/1/95 5,437,811 Liquid Crystaline Light Modulating Device and Material Doane, Yang, Chien
9/26/95 5,453,863 Multistable Chiral Nematic Displays West, Yang
6/25/96 5,530,566 Polymer Dispersed Ferroelectric Smectic Liquid Crystal Formed By Inducing a Force During Phase Separation Kumar
8/6/96 5,543,950 Liquid Crystalline Electrooptical Device Lavrentovich, Nazarenko
12/3/96 5,580,950 Negative Birefringent Rigid-Rod Polymer Films Harris, Cheng
2/11/97 5,602,662 Cholesteric Liquid Crystal Devices Rosenblatt, Crandall, Petschek, Fisch
6/10/97 5,638,201 Optically Active Diffractive Device Johnson, Bos, Chen, Vithana, Glenn, Holton, Smith
9/16/97 5,668,614 Pixelized Liquid Crystal Display Materials and Method Doane, Chien
11/25/97 5,691,795 Polymer Stabilized Liquid Crystalline Light Modulating Device & Material Doane, Yang, Chien
12/9/97 5,695,682 Liquid Crystalline Light Modulating Device and Material DIV Doane, Yang, Chien
6/18/98 5,766,694 Method for Forming Uniformly-Spaced Plastic Substrate Liquid Crystal Displays West, Bos
10/20/98 5,825,448 Reflective Optically Active Diffractive Device Bos, Chen, Johnson, Glenn, Holton, Smith
11/3/98 5,831,700 Polymer Stabilized Four Domain Twisted Nematic Liquid Crystal Display Li, Bos, Chen
12/8/98 5,847,798 Polymer Stabilized Black-White Cholesteric Reflective Display Yang, Ma
3/2/99 5,877,826 Dual Frequency Switchable Cholesteric Liquid Crystal Light Shutter and Driving Waveform Yang, Xu
5/18/99 5,905,554 Non-birefringence Optical Adhesives and Films Kyu
7/27/99 5,929,960 Method for Forming LCD Cell Walls Using a Patterned Electric Field West, Rouberol, Ji, Francl
 11/16/99

5,986,734
Organic Polymer O-Plate Compensator for Improved Gray Scale Performance in Twisted Nematic Liquid Crystal Displays Winker, Ryang, Warren, Rosenblatt, Li, Chung
 12/15/99

6,104,448
Pressure Sensitive Liquid Crystalline Light Modulating Device and Material Doane, Yang, Chien
5/9/00 6,061,107 Bistable Polymer Dispersed Cholesteric Liquid Crystal Displays Yang, Lu, Doane

ALCOM Tribute
to NSF

 LCI
Home Page
 ALCOM
Home Page
 NSF's 50th Anniversary Home page