Eindhoven, Netherlands
Eindhoven, Netherlands

Liquavista is a Dutch company founded in 2006 as a spin-off from Philips. It develops colour e-paper video screens that can work with or without a backlight using electrowetting technology. It has teamed up with Texas Instruments to combine Liquavista screens with TI's OMAP processors in a portable media player or e-reader. In 2010 Liqavista began the final step in fully commercialising the technology as it sent out SDKs to OEMs. It is also working with Plastic Logic to create thin flexible newspapers.In Dec. 2010, Samsung Electronics Co. Ltd acquired Liquavista B.V. for an undisclosed amount.Liquavista anticipates the first productions runs of its electrowetting display panel to come in 2013.On May 13th, 2013, Amazon.com confirmed that it had acquired Liquavista from Samsung Electronics Co. Wikipedia.


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Patent
Liquavista and Sekisui Chemical Co. | Date: 2014-03-11

A method of providing a layer of a first fluid and a layer of a second fluid on a first area of a support plate of an electrowetting device includes providing an emulsion of dispersed first fluid and continuous second fluid, the emulsion including an amount of the second fluid for forming the layer of the second fluid.


Patent
Liquavista | Date: 2014-03-12

An electrowetting display device comprising at least one picture element with a first support plate including a first electrical element, a second electrical element and a through-connection electrically connecting the first electrical element to the second electrical element. The through-connection is arranged outside a projected display area of the at least one picture element.


An electrowetting display device includes a base substrate, an electrowetting layer having first and second fluids immiscible with each other, a wall to define a pixel area, a hydrophobic layer in the pixel area, and an electronic device to control the electrowetting layer. A method of manufacturing the electrowetting display device is also provided.


An electrowetting display apparatus includes a first base substrate, a second base substrate which faces the first base substrate, a first electrode on the first base substrate, and a second electrode on the second base substrate, where the second electrode faces the first electrode. A barrier wall is on the first electrode, where the barrier wall defines a storage area. A surface of the first electrode and the barrier wall is overlapped by a barrier layer. In addition, a water-repellent layer is on the barrier layer which is in the storage area. First and second fluids are in the storage area, the first fluid is separate from the second fluid, and the first fluid or the second fluid has a polarity.


Patent
Liquavista | Date: 2014-04-03

An electrowetting display device includes a control system for changing a configuration of first, second and third fluids by applying a voltage level of a first voltage to a first electrode and by applying a voltage level of a second voltage to a second electrode. The voltage level of the first voltage is selected from a first plurality of voltage levels and the voltage level of the second voltage is selected from a second plurality of voltage levels, the second plurality of voltage levels comprising fewer voltage levels than the first plurality of voltage levels.


An electrowetting display apparatus includes a first substrate including a first electrode that receives a gray-scale voltage and a second electrode insulated from the first electrode and receiving a reference voltage, a second substrate, a fluid layer, and a color filter. The color filter has a first thickness in an area corresponding to the first electrode and a second thickness in an area corresponding to the second electrode, and the first thickness is larger than the second thickness. Accordingly, a cell gap of the electrowetting display apparatus is reduced, and color reproducibility of the electrowetting display apparatus is improved without sacrificing brightness.


Patent
Liquavista | Date: 2014-04-04

An electrowetting display device includes a picture element having a first support plate and a second support plate. A surface of a second layer of the first support plate is non-planar and has a shape at least partly corresponding with a pattern of a first layer of the first support plate.


Patent
Liquavista | Date: 2014-04-11

A display apparatus includes an electrowetting display device having at least one picture element with a display area. The display area has an active area and a different, inactive area and a display controller controls a display effect of the picture element in a range between a dark state and a light state, with a three-phase line between a first fluid, a second fluid and a first support plate of the picture element being completely in the inactive area for a first applied voltage corresponding to the dark state.


Patent
Liquavista | Date: 2014-06-02

An electrowetting display device with first and second support plates and a seal arranged to bond the first and second support plates together. The second support plate is arranged to at least partly constrain outward movement of the seal.


Patent
Liquavista | Date: 2014-06-02

A method of manufacturing a support plate for an electrowetting device includes providing a first hydrophobic layer on a substrate, reducing the hydrophobicity of a surface of the first hydrophobic layer and providing a second hydrophobic layer on at least part of the surface with reduced hydrophobicity.

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