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Hongwen Ren, Shin Tson Wu: Variable-focus liquid lens. University of Central Florida Research Foundation, Brian S Steinberger, Phyllis K Wood, Law Offices of Brian S Steinberger P A, May 6, 2008: US07369321 (61 worldwide citation)

A variable focus liquid lens is formed using two substrates with at least two through holes in at least one of the substrates. One end of each through hole is covered with a distensible membrane, one on the exterior surface of the substrate and the other on the interior surface. The substrates are s ...


2
Hongwen Ren, Yun Hsing Fan, Shin Tson Wu: Adaptive liquid crystal lenses. Research Foundation of the University of Central Florida, Brian S Steinberger, Law Offices of Brian S Steinberger P A, February 22, 2005: US06859333 (58 worldwide citation)

An adaptive optical lens device, system and method of using the same is composed of at least two planar substrates and at least one homogeneous nematic liquid crystal (LC) layer. One planar substrate has a spherical or annular ring-shaped Fresnel grooved transparent electrode within it, the other ha ...


3
Shin Tson Wu, Hongwen Ren: Variable focus liquid lens. Research Foundation of the University of Central Florida, Brian S Steinberger, Law Offices of Brian S Steinberger P A, November 28, 2006: US07142369 (51 worldwide citation)

A liquid-filled variable focus lens cell is disclosed. The liquid lens cell consists of four parts: a clear distensible membrane, a transparent wall member, liquid with a fixed volume stored in lens cell chamber, and an annular periphery sealing ring. The inner surfaces of the annular sealing ring a ...


4
Hongwen Ren, Shin Tson Wu: Tunable electronic lens and prisms using inhomogeneous nano scale liquid crystal droplets. University of Central Florida, Brian S Steinberger, Law Office of Brian S Steinberger P A, March 8, 2005: US06864951 (30 worldwide citation)

Using inhomogeneous sized liquid crystal (LC) droplets for lens and prisms. For forming a positive lens, the LC droplet size can gradually increase from the center to the side edges. For forming a negative lens, the LC droplet size can gradually decrease from the center to the side edges. The lens c ...


5
Yuhua Huang, Hongwen Ren, Xinyu Zhu, Shin Tson Wu: Electronically tunable polarization-independent micro lens using polymer network twisted nematic liquid crystal. Research Foundation of the University of Central Florida, Brian S Steinberger, Phyllis K Wood, Law Offices of Brian S Steinberger P A, August 5, 2008: US07408601 (16 worldwide citation)

Inhomogeneous concentrated polymer network with approximately 90° twisted nematic liquid crystal (TN-LC) is used for fabricating lens and prisms. For forming a positive lens, the approximately 90° TN-LC polymer network concentration can gradually decrease from the center to the side edges. For formi ...


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Yuhua Huang, Hongwen Ren, Xinyu Zhu, Shin Tson Wu: Electrically tunable polarization-independent micro lens using polymer network twisted nematic liquid crystal. Research Foundation of the University of Central Florida, Brian S Steinberger, Law Offices of Brian S Steinberger P A, July 18, 2006: US07079203 (16 worldwide citation)

Inhomogeneous concentrated polymer network with approximately 90° twisted nematic liquid crystal (TN-LC) is used for fabricating lens and prisms. For forming a positive lens, the approximately 90° TN-LC polymer network concentration can gradually decrease from the center to the side edges. For formi ...


7
Hongwen Ren, Shin Tson Wu: Tunable electronic lens and prisms using inhomogeneous nano scale liquid crystal droplets. University of Central Florida Research Foundation, Brian S Steinberger, Phyllis K Wood, Law Offices of Brian S Steinberger P A, February 5, 2008: US07327434 (9 worldwide citation)

Using inhomogeneous sized liquid crystal (LC) droplets for lens and prisms. For forming a positive lens, the LC droplet size can gradually increase from the center to the side edges. For forming a negative lens, the LC droplet size can gradually decrease from the center to the side edges. The lens c ...


8
Hongwen Ren, Shin Tson Wu: Tunable electronic lens and prisms using inhomogeneous nano scale liquid crystal droplets. University of Central Florida Research Foundation, Brian S Steinberger, Law Offices of Brian S Steinberger P A, May 9, 2006: US07042549 (7 worldwide citation)

Using inhomogeneous sized liquid crystal (LC) droplets for lens and prisms. For forming a positive lens, the LC droplet size can gradually increase from the center to the side edges. For forming a negative lens, the LC droplet size can gradually decrease from the center to the side edges. The lens c ...


9
Shin Tson Wu, Yi Pai Huang, Xinyu Zhu, Hongwen Ren, Thomas X Wu: Full color transflective cholesteric liquid crystal display with slant reflectors above transmissive pixels. University of Central Florida Research Foundation, Toppoly Optoelectronics, Brian S Steinberger, Law Offices of Brian S Steinberger P A, April 11, 2006: US07027118 (6 worldwide citation)

A device and method for making full color cholesteric displays such as a narrow band and a broad band cholesteric display using high birefringence LC materials with color filtering processes. The invention includes positioning slant reflector(s) in the transmissive portion of the display to reflect ...


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