Displaytech(R)

FLC Devices Patents

US Patent or Application #
SSFLC pioneer patents SSFLC pioneer patents
cover the basic FLC device made with plates spaced closely enough to unwind the intrinsic helix (licensed exclusively for LCOS from Clark & Lagerwall).		 5,555,111, PDFThis article is a PDF, it will open in a new window.
5,555,117, PDFThis article is a PDF, it will open in a new window.
DC-balance solutions DC-balance solutions
increase the optical duty cycle of the FLC device.		 6,507,330, PDFThis article is a PDF, it will open in a new window.
6,426,783, PDFThis article is a PDF, it will open in a new window.
6,310,664, PDFThis article is a PDF, it will open in a new window.
6,075,577, PDFThis article is a PDF, it will open in a new window.
6,016,173, PDFThis article is a PDF, it will open in a new window.
Diffractive modulators Diffractive modulators
modulate unpolarized light.		 5,552,916, PDFThis article is a PDF, it will open in a new window.
5,182,665, PDFThis article is a PDF, it will open in a new window.
Other FLC devices Other FLC devices
cover total-internal-reflection devices and infrared modulators.		 6,580,078, PDFThis article is a PDF, it will open in a new window.
4,813,771, PDFThis article is a PDF, it will open in a new window.
Analog circuits Analog circuits
for backplane temperature control and pixel voltage boosting.		 5,694,147, PDFThis article is a PDF, it will open in a new window.
5,523,864, PDFThis article is a PDF, it will open in a new window.
5,500,748, PDFThis article is a PDF, it will open in a new window.