1
Bokke Johannes Feenstra, Robert Andrew Hayes, Rudolph Maria Snoeren, Stein Kuiper, Bernardus Hendrikus Wilhelmus Hendriks, Anton Petrus Maria Van Arendonk: Switchable optical element. Koninklijke Philips Electronics, March 24, 2009: US07508566 (65 worldwide citation)

A switchable optical element has a fluid chamber including immiscible first and second bodies of fluid disposed relative to one another along an optical axis of the element. The second body of fluid is movable in a direction away from the optical axis (A) by electro-wetting action, giving the switch ...


2
Bokke Johannes Feenstra, Stein Kuiper, Sjoerd Stallinga, Bernardus Hendrikus Wilhelmus Hendriks, Rudolph Maria Snoeren: Variable focus lens. Koninklijke Philips Electronics, October 24, 2006: US07126903 (41 worldwide citation)

A variable focus lens comprising a first fluid (A) and a second, non-miscible, fluid (B) in contact over a meniscus. A first electrode (2) separated from the fluid bodies by a fluid contact layer (10), and a second electrode (12) in contact with the first fluid to cause an electrowetting effect wher ...


3
Stein Kuiper, Christina Adriana Renders, Bernardus Hendrikus Wilhelmus Hendriks, Robert Andrew Hayes: Reduction of driving voltage in a switchable element. Koninklijke Philips Electronics, Michael E Blek, July 31, 2007: US07251392 (27 worldwide citation)

A switchable element is described, which comprises a fluid chamber (111) containing a polar (101) and a non-polar (102) liquid, which are immiscible. The element is further provided with two electrodes (103,104), which are arranged to control the spatial distribution of the liquids, by means of an a ...


4
Stein Kuiper, Bernardus Hendrikus Wilhelmus Hendriks, Rudolph Maria Snoeren, Willem Gerard Ophey: Zoom lens. Koninklijke Philips Electronics, Paul Im, June 12, 2007: US07230771 (25 worldwide citation)

A zoom lens comprising, from the object side to the image side, a front lens group (72), a controllable lens group, and a rear lens group (74), the controllable lens group comprising a voltage-controlled electrowetting device, which device contains a first fluid (A) and a second fluid (B) having dif ...


5
Bernardus Hendrikus Wilhelmus Hendriks, Johannes Joseph Hubertina Barbara Schleipen: Optical scanning device. Koninklijke Philips Electronics, February 7, 2006: US06995886 (24 worldwide citation)

An optical scanning device is suitable for scanning a first information layer (23) of a first optical record carrier (21) with a first radiation beam (27) and a second information layer (47) of a second optical record carrier (45) with a second radiation beam (49). The device includes a radiation so ...


6
Frank Jeroen Pieter Schuurmans, Michael Cornelis Van Beek, Levinus Pieter Bakker, Wouter Harry Jacinth Rensen, Bernardus Hendrikus Wilhelmus Hendriks, Robert Frans Maria Hendriks, Thomas Steffen: Optical analysis system. Koninklijke Philiips Electronics, July 29, 2008: US07405825 (20 worldwide citation)

The optical analysis system (20) for determining an amplitude of a principal component of an optical signal comprises a multivariate optical element (10) for reflecting the optical signal and thereby weighing the optical signal by a spectral weighing function, and a detector (9, 9P, 9N) for detectin ...


7
Bernardus Hendrikus Wilhelmus Hendriks, Youri Martynov: Optical scanning device. Koninklijke Philips Electronics, Michael E Belk, May 27, 2003: US06568594 (14 worldwide citation)

An optical scanning device has a three element compound objective lens where a dual lens objective lens system is combined with a solid immersion lens to form an ultra high numerical aperture compound objective lens capable of reading from different information layers in a multilayer optical record ...


8
Bernardus Hendrikus Wilhelmus Hendriks, Jeroen Wals: Optical scanning device. Koninklijke Philips Electronics, Michael E Belk, February 3, 2004: US06687037 (10 worldwide citation)

An optical device scans record carriers with radiation of two wavelengths. The device has an objective lens with a diffractive part with a pattern of elements of stepped profile. The total of the step heights are substantially equal to multiples of height h


9
Stein Kuiper, Bernardus Hendrikus Wilhelmus Hendriks: Variable lens. Koninklijke Philips Electronics, Michael E Belk, November 27, 2007: US07301708 (9 worldwide citation)

A variable lens includes a chamber defined by at least one side wall and has an optical axis extending longitudinally through the chamber. The chamber contains a first fluid and a second fluid contact over a meniscus extending transverse the optical axis. The perimeter of the meniscus is constrained ...


10
Stein Kuiper, Bernardus Hendrikus Wilhelmus Hendriks: Optical element, optical device, atmosphere provider, optical scanning device, light coupling device, and method of operating interfacial waves. Koninklijke Philips Electronics, May 25, 2010: US07724444 (9 worldwide citation)

An optical element is provided for generating interfacial waves by means of electro wetting. The optical element comprises a fluid chamber with at least one side wall and an optical axis. Furthermore the fluid chamber includes a first fluid (A) and a second fluid (B) which are separated by an interf ...