Class / Patent application number | Description | Number of patent applications / Date published |
359228000 | Fluid | 49 |
20080316564 | Display Devices - A flexible display comprises a flexible dielectric layer ( | 12-25-2008 |
20090027751 | Electro-wetting display device - An exemplary electro-wetting display (EWD) device ( | 01-29-2009 |
20090052000 | IMAGE FORMING DEVICE - There is provided an image forming device. The image forming device includes: a light source for emitting light; a liquid lens configured to allow a focal point of the liquid lens to be adjusted and which focuses the light on an imaging plane; and drive means for driving the liquid lens to scan the focal point. The drive means scans the focal point to scan the light on the imaging plane, thereby forming an image. | 02-26-2009 |
20090067027 | Liquid space telescope - The invention in microgravity uses the natural effect of capillary action and surface tension of a liquid substance inside a cylindrical chamber to form a curved meniscus suitable to use in a space telescope. The geometry of the meniscus can be controlled by using a boundary line that fixes the contact point of the meniscus and then controlling the volume of the liquid. The meniscus geometry can then be controlled to form a reflective liquid mirror dish that is suitable to use in a space telescope. | 03-12-2009 |
20090080052 | Electro-wetting display device - An exemplary electro-wetting display (EWD) device includes a plurality of sub-pixel units. Each sub-pixel unit defines two opposite long sides and two opposite short sides. Each sub-pixel unit includes a first substrate, a second substrate facing toward the first substrate, a conductive first liquid and a polar second sandwiched between the first substrate and the second substrate, and an electrode. The first and second liquids are immiscible. The electrode is disposed at a surface of the second substrate facing the first liquid. The electrode defines an opening. A length of the opening as measured parallel to the nearest short side is not less than 0.8 times a length of the nearest short side. | 03-26-2009 |
20090103159 | Electrowetting Display Devices - Electrowetting display devices are presented. The electrowetting display includes a first substrate and an opposing second substrate with a transparent polar fluid layer and an opaque non-polar fluid layer insoluble with each other and interposed between the first and second substrates. A first transparent electrode is disposed on the first substrate. A second transparent electrode is disposed on the second substrate. A dielectric layer is disposed on the second transparent electrode. A reflective plate structure is interposed between the second transparent electrode and the second substrate, thereby defining a reflective region and a transmission region. A backlight plate is disposed on the back of the second substrate. During operation, the opaque non-polar fluid converges, therefore, exposing equal areas of reflective region and transmission region. | 04-23-2009 |
20090109513 | HEAD MOUNTED DISPLAY HAVING ELECTROWETTING OPTICAL REFLECTING SURFACE - A method and apparatus is provided for aligning the two images ( | 04-30-2009 |
20090135461 | OPTICAL ELEMENT - An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode. | 05-28-2009 |
20090185255 | ELECTRO-WETTING DISPLAY PANEL - An electro-wetting display panel including a first substrate, an insulator layer, a second substrate, partitioning structures, and electro-wetting display mediums. The first substrate has a plurality of first electrodes. The insulator layer is disposed on the first substrate to cover the first electrodes. The second substrate located above the first substrate and has a plurality of second electrodes. The partitioning structures are disposed on the insulator layer and each defines a pixel region, respectively. At least one of the partitioning structures has a flow channel surrounding the pixel regions, and the flow channel is connected to one of the pixel regions correspondingly. The electro-wetting display mediums are disposed within the pixel regions and the flow channels. When the electro-wetting display mediums are driven by the electric charge between the first electrodes and the second electrodes, the electro-wetting display mediums move between the pixel regions and the flow channels. | 07-23-2009 |
20090262410 | Device For The Pixel-Integrated Return Of Fluid - An apparatus for the pixel-integrated return of fluid in the pixel of a fluidic display is characterized in that the fluid with which the desired information is to be displayed and/or the carrier fluid in which the fluid is optionally embedded can be returned in a particularly compact manner and in a manner which is invisible to an observer past the visible part of a pixel (image compartment) into a reservoir (reservoir compartment) through or out of the reservoir. The device comprises an image compartment, a reservoir compartment, a connecting duct and at least one return duct, whereby the at least one return duct is formed by the fact that the connecting duct has at least one area with an uninterruptedly enlarged cross section which transitions in a specified manner into the cross section of the original cross section. | 10-22-2009 |
20090279158 | Fluid Actuator For Digitally Controllable Microfluidic Display - Microfluidic pixels are utilized to produce large format displays (billboards) that are both digitally controllable and are light weight. Each pixel includes a wall having a front (display) surface, and a microfluidic system including a reservoir disposed behind the wall, a colorant fluid, a transparent display chamber disposed in front of the wall, a conduit, and a fluid actuator. The reservoir includes a reservoir chamber including a deformable wall, and the fluid actuator includes a mechanism for selectively displacing the deformable wall such that a portion of the first colorant fluid is transferred between the first reservoir and the first display chamber through the first conduit, whereby the pixel's appearance changes between a background appearance determined by the color (e.g., white) of the front wall surface, and a “colored” appearance determined by the amount and color of the colorant fluid disposed in the display chamber. | 11-12-2009 |
20090310205 | Optical element - An optical element includes an airtight container having opposing face walls in a thickness direction, and side walls connecting the end face walls; a first liquid sealed in the container and having polarity or conductivity; a second liquid sealed in the container and not mixed with the first liquid so as to define an interface between the first liquid and the second liquid; and voltage applying means for applying a voltage to the first liquid. Further, the first liquid and the second liquid have the same specific gravity and substantially the same refractive index, and minute particles made of a material that does not transmit light are mixed in the first liquid, such that the first liquid has less light transmittance than the second liquid. In a state in which the voltage is applied to the first liquid, the interface between the first liquid and the second liquid deforms, and a transmitting path of light is formed that passes through the end face walls and propagates in the thickness direction of the container. | 12-17-2009 |
20100053717 | LIQUID DEVICE, LIQUID DEVICE MANUFACTURING APPARATUS AND METHOD, AND IMAGE DISPLAY DEVICE - The present invention relates to a liquid device, liquid device manufacturing apparatus and method, and an image display device that are so configured as to achieve increase in the capacitance and allow suppression of breakdown. An insulating film | 03-04-2010 |
20100079838 | OPTICAL ELEMENT, IMAGING DEVICE, AND METHOD OF DRIVING THE OPTICAL ELEMENT - An optical element includes a first liquid having polarity or electrical conductivity, a second liquid that is immiscible with the first liquid, a first substrate portion, a second substrate portion, a sidewall portion connecting the first substrate portion to the second substrate portion, and an accommodating portion constituted by the first substrate portion, the second substrate portion, and the sidewall portion and sealing the first liquid and the second liquid therein. The first substrate portion includes a first electrode, the second substrate portion includes a second electrode, and the sidewall portion includes a third electrode. | 04-01-2010 |
20100079839 | OPTICAL ELEMENT AND IMAGING DEVICE - An optical element includes a first liquid; a second liquid that is immiscible with the first liquid and that has polarity or electrical conductivity; a first substrate portion, a second substrate portion, a sidewall portion; a second electrode disposed on one of the second substrate portion and the sidewall portion; and an accommodating portion constituted by the first substrate portion, the second substrate portion, and the sidewall portion and sealing the first liquid and the second liquid therein. The optical element further includes a first film disposed on the first substrate portion side of the accommodating portion and having high affinity with the first liquid, a second film disposed on the second substrate portion side of the accommodating portion and having high affinity with the second liquid, and a third film disposed at the center of the second film and having high affinity with the first liquid. | 04-01-2010 |
20100134861 | OPTICAL ELEMENT AND IMAGING APPARATUS - An optical element is disclosed. The optical element may include a container having a holding chamber, a polar or conductive first liquid filled in the holding chamber, a second liquid filled in the holding chamber and not mixing with the first liquid, first and second electrodes for applying an electric field to the first liquid, and voltage application means for applying voltage between the first electrode and the second electrode. | 06-03-2010 |
20100182670 | OPTICAL ELEMENT - An optical element includes a container including first and second end face walls, a side face wall, and an accommodating chamber inside the walls; first and second liquids enclosed in the chamber; a first electrode provided on a surface of the first end face wall; a second electrode provided on a surface of the second end face wall; an insulating film provided on a surface of the second electrode; and a unit configured to apply a voltage. The shape of an interface between the liquids is changed by a voltage application, and a light transmission path, the center of which is a virtual axis passing through the end face walls in the thickness direction of the container, is formed in a portion of the second liquid. An opening having a diameter the same as or larger than the maximum diameter of the transmission path is provided in the first electrode. | 07-22-2010 |
20100225986 | Display Device with an Active Matrix of Electrowetting Cells - The invention relates to an active matrix with data driver circuit and selection driver circuit, where the active matrix is electrically connected with the driver circuits and where it comprises electrowetting cells (EW cells) arranged in rows and columns. An EW cell comprises at least two electrodes, which are connected through at least one transistor with data lines and row lines of the driver circuits. The electrodes which are provided for controlling the EW cell are connected with the same data line and with two different control lines, where the selection driver circuit simultaneously activates the transistors which are connected with the individual selection lines by control signals and where it connects the electrodes of the respective EW cell locally so to achieve a medium voltage value. | 09-09-2010 |
20100296148 | Spatial Light Modulator Using Electrowetting Cells - A spatial light modulator comprising pixels, where for each pixel, a light field amplitude transmitted by the pixel is modulated by an electrowetting cell and/or a light field phase transmitted by the pixel is modulated by an electrowetting cell. | 11-25-2010 |
20100302613 | OPTICAL ELEMENT AND IMAGING DEVICE - An optical element includes a first liquid; a second liquid that is immiscible with the first liquid and that has polarity or electrical conductivity; a first substrate portion; a second substrate portion; a sidewall portion; a second electrode disposed on one of the second substrate portion and the sidewall portion; and an accommodating portion constituted by the first substrate portion, the second substrate portion, and the sidewall portion and sealing the first liquid and the second liquid therein. The optical element further includes a first film disposed on the first substrate portion side of the accommodating portion and having high affinity with the first liquid, a second film disposed on the second substrate portion side of the accommodating portion and having high affinity with the second liquid, and a third film disposed at the center of the second film and having high affinity with the first liquid. | 12-02-2010 |
20110051213 | Optical apparatus and imaging apparatus - An optical apparatus includes: a sealing case having chambers partitioned by a partition wall; a polar liquid having polarity and a nonpolar liquid having no polarity which are respectively sealed in a predetermined amount in each of the chambers; and electrodes pulling the polar liquid by an electrowetting phenomenon upon application of a driving voltage. One of the polar liquid and the nonpolar liquid is colored with a color having a light-blocking property, and the other has a light-transmitting property, at least a part of the partition wall is positioned in an optically effective area including the optical axis, and when a driving voltage is applied to a predetermined electrode among the electrodes, the polar liquid is moved in the chamber between closed and open positions where the optically effective area is closed and open, respectively. | 03-03-2011 |
20110141539 | MULTIPHASE LIQUID COMPOSITION FOR LOW VOLTAGE ELECTROWETTING DEVICE - A multi-phase liquid composition comprising a conductive liquid and a non-conductive liquid, said liquids being non miscible, wherein the conductive liquid comprises more than 90% up to 99.9% by weight of a first component having a surface tension above 45 mN/m and comprising water, salt and at least one freezing point lowering agent, and from 0.01% to less than 10% by weight of a second component having a surface tension below 30 mN/m and comprising at least one first compound, wherein said at least one first compound is a non ionic surfactant. | 06-16-2011 |
20110181934 | FLUIDIC DISPLAY DEVICE, AND ASSOCIATED METHOD - The invention relates to a display device that uses liquids for visualizing information as well as an associated method. According to the invention, said fluidic display device comprises a plurality of display elements with cavities, at least one display liquid for displaying information, at least one liquid feeding mechanism for delivering the at least one display liquid, at least one common main duct for jointly filling a plurality of display elements, and at least one liquid reservoir for temporarily holding the at least one display liquid. The display device is characterized in that the at least one liquid feeding mechanism allows display liquid to be delivered from the at least one liquid reservoir into said display elements via the common main duct leading into at least two display elements and to be optionally sucked out of said display elements. Furthermore, each display element has at least one mechanism for influencing the surface energy of the display liquid. The method according to the invention is characterized in that different feeding processes can be used for holding or delivering the desired liquid into the display elements. | 07-28-2011 |
20110194165 | Electrical control light valve apparatus having liquid metal - The present invention discloses an electrical control light valve apparatus having liquid gallium. The invention comprises the transparent glass as a substrate, ITO transparent conductive film as the electrodes, the liquid gallium as the valve located on the ITO transparent conductive film, and the partial-transparent glass is located on the top of the electrical control light valve apparatus. | 08-11-2011 |
20110235146 | ELECTROWETTING OPTICAL ELEMENT ARRANGED FOR PREVENTING CHARGE ACCUMULATION, AND METHOD FOR MANUFACTURING AN ELECTROWETTING OPTICAL ELEMENT - An electrowetting optical element comprising a first electrode layer and a second electrode layer opposite said first electrode layer, and a containment space formed between said first and said second electrode layer. The first electrode layer comprises an insulating layer, and a hydrophobic surface layer contiguous to said containment space. The electrowetting element further comprises a barrier layer in between said insulating layer and said containment space, for preventing ion migration of ions from said containment space into said insulating layer, for preventing charge accumulation in said insulating layer. The disclosure further relates to a method of manufacturing an electrowetting element. | 09-29-2011 |
20120140304 | DUAL VIEW DISPLAY - A dual view or two-sided display system to display two different images in substantially opposite direction using a single transparent display to time-multiplex the images and two shutter devices to alternately block each side from being viewed according to the image being displayed. The system includes reflective devices between each side of the transparent display and the two shutter devices so light can be reflected from one side of the transparent display to the other side of the transparent display in order to supplement the light intensity of the image being displayed. | 06-07-2012 |
20120154886 | DISPLAY PIXELS, DISPLAYS, AND METHODS OF OPERATING DISPLAY PIXELS - Electrofluidic and electrowetting display pixels, electrofluidic and electrowetting displays, and methods of operating electrofluidic and electrowetting display pixels. The pixel includes a hydrophobic channel formed between first and second substrates and containing a polar fluid and a non-polar fluid, of which at least one is visible through at least one substrate. An electrode with a dielectric is electrically connected to a voltage source. A Laplace barrier defines a fluid pathway for fluid movement in the channel. The polar fluid moves a first position when the voltage source is biased at a first voltage of less than or equal to a threshold voltage to provide a first display state. The polar fluid moves to a second position when the voltage source is biased with a second voltage, greater than the first voltage, to provide a second display state. | 06-21-2012 |
20120287493 | LIGHT DISTRIBUTION PATTERN CONTROL USING OBJECT DETECTION AND ELECTROWETTING LENSES - A system, controller, and method for controlling a light distribution pattern. A light source and an electrowetting lens cooperate to vary a light distribution pattern of light from the light source. An object detector is used by a controller determine the location of an object and operate the electrowetting lens in order to control the light distribution pattern based on the location of the object. The electrowetting lens provides for faster redirecting of light toward an object when compared to mechanical based system. The light source may be an array of light emitting diodes to provide a reliable, energy efficient source of light. | 11-15-2012 |
20120293851 | DISPLAY DEVICE - Provided is a display device, including: a pair of substrates arranged at an interval; oil filled between the pair of substrates; a shutter arranged in the oil; a drive portion, which is arranged in the oil, for driving the shutter in a predetermined direction; and a wall portion provided in the oil and on one of the pair of substrates. The wall portion is positioned adjacent to the shutter in one of the predetermined direction of the shutter and a direction orthogonal to the predetermined direction. The wall portion has a height exceeding a height of the shutter in a thickness direction of the shutter. The wall portion has at least a part positioned lateral to the shutter. | 11-22-2012 |
20120300278 | ELECTROWETTING DISPLAY UNIT AND ELECTROWETTING DISPLAY DEVICE - The disclosed technology provides an electrowetting display unit and an electrowetting display device. The electrowetting display unit comprises a polar fluid, a non-polar fluid that is colored, and separation walls for surrounding the polar fluid and the non-polar fluid; a medium layer located below the fluid chamber and in contact with the non-polar fluid or polar fluid in the fluid chamber; and an electrode located below the medium layer. Spaces are provided on the separation walls, have openings toward the medium layer, and function to completely or partially store the non-polar fluid when a voltage is applied between the polar fluid and the electrode. The electrowetting display device comprises the electrowetting display unit. | 11-29-2012 |
20120307330 | ELECTROWETTING DISPLAY - An embodiment of the disclosed technology discloses an electrowetting display, comprising a first substrate, a second substrate disposed opposite to and under the first substrate, a plurality of separation walls, a first fluid, and a second fluid, wherein the plurality of separation walls are disposed in grid on the second substrate to define a plurality of pixel units, and the first fluid is filled in the spaces of the grid formed by adjacent separation walls, the first fluid is opaque and does not mix with the second fluid, the second fluid is transparent, has conductivity or polarity, and is filled between the first fluid and the first substrate; and wherein a colored layer is disposed for each pixel unit, and the colored layer has at least one predetermined color and is between the first fluid and the second substrate. | 12-06-2012 |
20120307331 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided is a display device, including: a sealing member including an opening and surrounding a space defined by a pair of light transmissive substrates; an end seal for closing the opening of the sealing member to form an encapsulation space; oil filled in the encapsulation space; a spacer for maintaining an interval between the pair of light transmissive substrates; a shutter; a drive portion arranged in the oil, for mechanically driving the shutter; and a wall portion formed on at least one of opposed surfaces of the pair of light transmissive substrates. The wall portion includes apart arranged at a position interrupting a shortest path between the opening of the sealing member and a display region. The wall portion is made of a material forming the spacer, the shutter, and the drive portion. | 12-06-2012 |
20120327496 | OPTICAL ELEMENT AND IMAGING APPARATUS - An optical element is disclosed. The optical element may include a container having a holding chamber, a polar or conductive first liquid filled in the holding chamber, a second liquid filled in the holding chamber and not mixing with the first liquid, first and second electrodes for applying an electric field to the first liquid, and voltage application means for applying voltage between the first electrode and the second electrode. | 12-27-2012 |
20130038918 | DISPLAY DEVICE - Provided is a display device, including: a pair of light transmissive substrates disposed to be opposed to each other at an interval; a sealing member which bonds the pair of light transmissive substrates together and defines an encapsulation space between the pair of light transmissive substrates; a plurality of shutters disposed in the encapsulation space so as to optically display an image; liquid having optical isotropy filled in the encapsulation space; and an optical film disposed between the liquid and at least one of the pair of light transmissive substrates. A refractive index of the optical film is different from a refractive index of the pair of light transmissive substrates. | 02-14-2013 |
20130083385 | OPTICAL ELEMENT, DISPLAY APPARATUS, ELECTRONIC DEVICE, AND WIRING SUBSTRATE - An optical element includes: first and second substrates arranged opposite to each other; a plurality of partition walls which rise from an inner surface of the first substrate, which faces the second substrate, and which also adjoin to one another in a first direction, and extend in a second direction differing from the first direction; and first and second through-holes which are formed in a region held between the adjoining paired partition walls on the first substrate. The element further includes: first and second electrodes which are formed on the surface of the partition walls in such a way that they partly face each other; an insulating film covering the first and second electrodes; a third electrode formed on an inner surface of second substrate, which faces the first substrate; and polar and apolar liquids, both having mutually different refractive indices, which are enclosed between the first and third electrodes. | 04-04-2013 |
20130100516 | ELECTRO WETTING DISPLAY - Provided is an electro wetting display capable of improving driving stability by more stably controlling movement of a nonpolar fluid among electro wetting elements. The electro wetting display according to an exemplary embodiment of the present disclosure includes: a first substrate formed on a viewing side of the display, a second substrate formed on a rear side of the display, a pixel partition wall formed between the first and second substrates to partition a pixel area, in which a part of the partition wall is made of a conductive material, and a polar fluid and a nonpolar fluid filled in the pixel area partitioned by the pixel partition wall. | 04-25-2013 |
20130114120 | MICROELECTROFLUIDIC DEVICE AND METHOD OF DRIVING THE SAME - A microelectrofluidic device includes: a chamber; a first fluid and a second fluid which are contained in the chamber and are not mixable with each other; and a first electrode group including a plurality of electrodes that are disposed on an inner side of the chamber, and to which a voltage is applied to change an interface between the first fluid and the second fluid, wherein the plurality of electrodes are connected to form a first electrode unit, a second electrode unit, and a third electrode unit that are independently turned on or off, and the plurality of electrodes are annular and coated with an insulating material, and adjacent electrodes are connected to different electrode units | 05-09-2013 |
20130155480 | ELECTROWETTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - 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. | 06-20-2013 |
20130163062 | MECHANICAL SMART WINDOW WITH CONTINUOUSLY TUNABLE TRANSMISSION - This disclosure provides systems, methods and apparatus for providing continuous light-transmissivity tuning through a mechanical smart window. In one aspect, a mechanical smart window including multiple layers is provided, each layer featuring light-blocking and light-transmitting areas. The layers may be moved relative to each other, changing the amount by which each light-blocking area occludes light-transmitting areas on other layers. | 06-27-2013 |
20130170008 | ELECTROWETTING DISPLAY DEVICE HAVING BANKS OF DIFFERENT HYDROPHILICITIES AND METHOD FOR MANUFACTURING THE SAME - Disclosed is an electrowetting display device including a plurality pixels. Each pixel includes a pixel electrode, a hydrophobic layer, a hydrophobic fluid, and a bank adapted to limit the range of movement of the hydrophobic fluid. The bank has a hydrophobic bank surface and a hydrophilic bank surface, which face each other. The hydrophobic fluid is moved from the hydrophilic bank surface towards the hydrophobic bank surface by the application of a voltage to the pixel electrode. | 07-04-2013 |
20130208331 | ELECTRO-WETTING DISPLAY APPARATUS - An electro-wetting display apparatus includes a first base substrate, a plurality of first electrodes on the first base substrate, an insulating layer which overlaps the first electrodes, a pixel wall on the insulating layer, where the pixel wall partitions a plurality of pixels respectively corresponding to the plurality of first electrodes, a second base substrate which face the first base substrate, a second electrode on the second base substrate and including a plurality of openings, and a fluid between the first base substrate and the second base substrate and in the plurality of pixels. The movement of the fluid in the plurality of pixels is controlled by voltages respectively applied to the first electrodes and the second electrode. | 08-15-2013 |
20130242367 | ELECTROWETTING DISPLAY DEVICE - An electrowetting display device includes a first substrate, a second substrate, a conductive fluid and a non-conductive fluid. The first substrate includes a first base substrate, a first electrode layer, a hydrophobic insulation layer and a partition wall. The first electrode layer is formed on the first base substrate and includes pixel electrodes spaced apart from each other and a common notch electrode formed between the pixel electrodes. The hydrophobic insulation layer is formed on the first electrode layer. The partition wall is formed surrounding the pixel electrodes and the common notch electrode on the hydrophobic insulation layer. The second substrate is opposite to the first substrate. The conductive fluid and the non-conductive fluid are interposed between the first and second substrates. The conductive fluid and the non-conductive fluid are controlled to vary transmittance of light in accordance with an electric signal applied to the pixel electrodes. | 09-19-2013 |
20140204440 | LIGHT SHIELDING APPARATUS USING MAGNETIC MICROBEADS AND METHOD OF THE SAME - A light shielding apparatus using magnetic microbeads and a method of the same are disclosed. The light shielding apparatus includes a cycling chamber defined by two transparent substrates, a fluid filled in the cycling chamber, a plurality of magnetic microbeads suspended in the fluid, and a cycling motor connected to the cycling chamber. The cycling motor has a magnetic device. When the magnetic device is powered on, the magnetic microbeads are collected by the magnetic device and restricted in the cycling motor; so that, ambient light pass through the cycling chamber and the two transparent substrates. When the magnetic device is turned off, the magnetic microbeads are recycled with the fluid in the cycling chamber and the cycling motor to block ambient light. | 07-24-2014 |
20150085334 | METHOD FOR CONTROLLING OPTICAL TRANSMISSIONS, DEVICE FOR CONTROLLING OPTICAL TRANSMISSIONS, AND METHOD FOR MANUFACTURING SAME - According to the method for controlling optical transmissions according to the present invention, in a state where particles formed of a light-blocking material, a first solvent with electro-wetting properties in which the particles are dispersed, and a second solvent which is not mixed with the first solvent are present in a space covered by an optical incident surface, the particles are mixed with the first solvent but not mixed with the second solvent, and an electric field applied to the first solvent is controlled so as to control the blocking area of the first solvent with respect to the optical incident surface and control optical transmittance. | 03-26-2015 |
20150146274 | ELECTRO-WETTING DISPLAY APPARATUS - An electro-wetting display apparatus includes a first base substrate, a plurality of first electrodes on the first base substrate, an insulating layer which overlaps the first electrodes, a pixel wall on the insulating layer, where the pixel wall partitions a plurality of pixels respectively corresponding to the plurality of first electrodes, a second base substrate which face the first base substrate, a second electrode on the second base substrate and including a plurality of openings, and a fluid between the first base substrate and the second base substrate and in the plurality of pixels. The movement of the fluid in the plurality of pixels is controlled by voltages respectively applied to the first electrodes and the second electrode. | 05-28-2015 |
20150338638 | LIGHT-SHIELDING STRUCTURE AND METHOD FOR MANUFACTURING THE STRUCTURE, DISPLAY DEVICE AND METHOD FOR DISPLAYING WITH DISPLAY DEVICE - The present invention provides a light-shielding structure, a method for manufacturing the structure, a display device and a method for displaying with the display device. Said light-shielding structure comprises a plurality of micro light-shielding boxes, each of the micro light-shielding boxes comprises a sealed cavity provided with a transparent solvent, a first electrode and a second electrode disposed oppositely, and at least one rotator disposed between said first electrode and said second electrode. Said rotator comprises a light-shielding portion and a transparent portion, and said light-shielding portion has an electrical property different with that of said transparent portion. The light-shielding structure in the embodiments of the present invention comprises at least one rotator, which is controlled to rotate by means of the electrodes at two sides thereof. When the light leakage region in the color film substrate needs light shielding, at least one rotator is controlled to form a light-shielding band to shield the light leakage region of the color film substrate; when it does not need light shielding, the at least one rotator is controlled to rotate such that the formed transparent band is aligned with the light leakage region. This improves the transmittance of the display panel, thereby solving the problem of light leakage at pixel edge without sacrificing the transmittance of the panel. | 11-26-2015 |
20150346578 | METHODS FOR DRIVING ELECTROPHORETIC DISPLAYS USING DIELECTROPHORETIC FORCES - A dielectrophoretic display has a substrate having walls defining a cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface. A fluid is contained within the cavity; and a plurality of particles are present in the fluid. There is applied to the substrate an electric field effective to cause dielectrophoretic movement of the particles so that the particles occupy only a minor proportion of the viewing surface. | 12-03-2015 |
20160018635 | DISPLAY DEVICE - [Problem] To provide a display device with a more uniform and wider view angle not dependent upon orientation. | 01-21-2016 |
20160124212 | FLUID FOR ELECTROWETTING DEVICE AND ELECTROWETTING DEVICE INCLUDING SAME - Provided are a fluid for an electrowetting device including a first fluid as a polar liquid, and a second fluid, as a non-polar solution, which is separated from the first fluid by an interface, wherein the first fluid includes an organic acid having an acid dissociation constant (pKa) of about 4 or less, a polar solvent, and a quaternary ammonium hydroxide compound, and an electrowetting device including the fluid. | 05-05-2016 |