Inventor · Glendale, AZ, US

Brian D. Cull

22Patents
11h-index
16Co-inventors
68Inventor score

Filing activity: Nov 15, 1991 → Apr 19, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US5825542A Diffusely reflecting multilayer polarizers and mirrors Physics 205 Expired
US5808794A Reflective polarizers having extended red band edge for controlled off axis color Physics 193 Expired
US6262842A Transflective displays with reflective polarizing transflector Physics 177 Expired
US7285903B2 Display with bright backlight Emerging Cross-Sectional Technologies 159 Expired
US6124971A Transflective displays with reflective polarizing transflector Physics 122 Expired
US6905220B2 Backlight system with multilayer optical film reflector Physics 67 Expired
US6666567B1 Methods and apparatus for a light source with a raised LED structure Electricity 45 Expired
US6018419A Diffuse reflectors Physics 40 Expired
US6088159A Reflective polarizers having extended red band edge for controlled off axis color Physics 36 Expired
USRE41685E1 Light source with non-white and phosphor-based white LED devices, and LCD assembly General 22 Active
US6449092B1 Reflective polarizers having extended red band edge for reduced off axis color Physics 19 Expired
US7465079B1 Extended avionics LCD backlight Physics 9 Expired
US7339332B2 Chroma compensated backlit display Physics 8 Expired
US6888675B2 Transflective displays with reflective polarizing transflector Physics 7 Expired
US6218776A Enhanced brightness of flat fluorescent lamp Electricity 5 Expired
US6411042B1 Display cold spot temperature regulator Electricity 4 Expired
US6747413B2 Display cold spot temperature regulator Electricity 2 Expired
US5218796A Structural support system Fixed Constructions 2 Expired
US7002306B2 Lamp driver system with improved redundancy Electricity 2 Expired
US6795751B2 System and method to accomplish high-accuracy mixing Physics 1 Expired
US7121681B2 Compact high-brightness fluorescent lamp system Electricity 0 Expired
US6971766B2 Redundant aperture lamp system Electricity 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.