Subject matter disclosed herein relates to improving a contact diameter of an adhesive/sealing material on surfaces of substrates by altering rheological properties of the adhesive/sealing material. An electrowetting display device comprises a first substrate and a second substrate, a first fluid and a second fluid disposed between the first substrate and the second substrate, wherein the first fluid is immiscible with the second fluid. An adhesive/sealing material comprising UV curable epoxy glue is in contact with the second fluid and couples the second substrate to the first substrate. The adhesive/sealing material further comprises silica particles in a range of 1-6% mass fraction of silica that alter rheological properties of the UV curable epoxy glue.

There are provided methods for driving an electro-optic display having a plurality of display pixels, a such method includes detecting a white-to-white graytone transition on a first pixel; and determining whether a threshold number of cardinal neighbors of the first pixel are not making a graytone transition from white to white, or if the first pixel is a color pixel, and apply a first waveform.

Disclosed herein is an apparatus comprising: a first switch and a second switch; wherein the first switch is configured to apply a drive signal to a first electrode when the first switch receives a control signal; wherein the second switch is configured to electrically isolate the first electrode from a second electrode when the second switch receives the control signal; wherein the second switch is configured to short-circuit the first electrode to the second electrode when the second switch does not receive the control signal; wherein the first electrode and the second electrode face each other and are separated by a gap configured to accommodate a liquid droplet.

A device that includes a first integrated device, a second integrated device configured to be electrically coupled to the first integrated device and an electrowetting device configured to be electrically coupled to the second integrated device. The electrowetting device is configured to redistribute heat across a back surface of the device by looping a liquid in the electrowetting device, along the back surface of the device.

An electrowetting system is disclosed. The system includes electrodes configured to manipulate droplets of fluid in a microfluidic space. Each electrode is coupled to circuitry operative to selectively apply a driving voltage to the electrode. The system includes a dielectric stack including a first dielectric pair comprising a first layer having a first dielectric constant and a second layer having a second dielectric constant. The second dielectric constant is larger than the first dielectric constant. The dielectric stack includes a second dielectric pair comprising a third layer having a third dielectric constant and a fourth layer having a fourth dielectric constant. The fourth dielectric constant is larger than the third dielectric constant. A ratio of a thickness of the fourth layer to a thickness of the third layer (T.sub.4:T.sub.3) is in the range from about 2:1 to about 8:1. The second dielectric pair is thinner than the first dielectric pair.

An optical system comprising: an optical element having an optical property responsive to an applied signal, a variation of the optical property with the signal exhibiting hysteresis in a first range of values and no hysteresis in a second range of values of the signal; a memory storing data representing a hysteresis curve which indicates the variation of the optical property with increasing and decreasing values of the signal; and a controller which continuously controls the optical property by: generating, based on the stored data, a cyclic signal having a discontinuity in each cycle of the cyclic signal, and setting the discontinuity size in each cycle based on the stored data such that a part of the variation of the optical property with the cyclic signal coincides with a part of the variation represented by the stored data; and applying the cyclic signal to the optical element.

A driving circuit, a driving method and a microfluidic substrate are provided. The driving circuit includes a first switching unit, a second switching unit, a reset unit, a first capacitor, and a second capacitor. In a first stage of a driving process of the driving circuit, the first switching unit is turned on, a first voltage signal is transmitted to a first node, the second switching unit is turned on, a second voltage signal is input to an output terminal of the driving circuit, and the driving circuit outputs an AC signal. In a second stage of the driving process, the first switching unit is turned off, the valid signal output by the second scan signal terminal controls the reset unit to be turned on, a third voltage signal is input to the output terminal of the driving circuit for reset, and the driving circuit outputs a DC signal.

This application provides a liquid aperture, an electronic device, and a driving method and apparatus for a liquid aperture. The liquid aperture includes a first substrate, a first electrode plate, an insulation layer, a hydrophobic layer, a hydrophilic layer, a sidewall, a second electrode plate, and a second substrate that are disposed adjacent to each other in sequence in a direction of an optical axis of the liquid aperture. A first hollow structure is formed in a middle of the sidewall. The hydrophilic layer includes a first hydrophilic part and a second hydrophilic part. There are N second hollow structures between the first hydrophilic part and the second hydrophilic part. The first hollow structure communicates with the N second hollow structures to form a closed cavity. The closed cavity is filled with a transparent electrolyte and dyed oil. The dyed oil is incompatible with the transparent electrolyte.

There are provided methods for driving an electro-optic display having a plurality of display pixels, a such method includes detecting a white-to-white graytone transition on a first pixel; and determining whether a threshold number of cardinal neighbors of the first pixel are not making a graytone transition from white to white, or if the first pixel is a color pixel, and apply a first waveform.

A display device includes a first support plate and a pixel region over the first support plate. A thin film transistor (TFT) structure is disposed over the first support plate and associated with the pixel region. The TFT structure includes a first metal layer over the first support plate. The first metal layer includes a gate. A silicon layer is disposed over the gate. A second metal layer is disposed over the silicon layer. The second metal layer includes a source and a drain covering a first portion of the silicon layer. An amorphous silicon layer is disposed over at least a portion of the second metal layer and a second portion of the silicon layer.