Abstract: A window assembly comprises a plurality of dynamic electrochromic zones formed on a single transparent substrate in which at least two electrochromic zones are independently controllable. In one exemplary embodiment, the window assembly comprises an Insulated Glass Unit (IGU), and at least one transparent substrate comprises a lite. In another exemplary embodiment, the IGU comprises at least two lites in which at least one lite comprises a plurality of independently controllable dynamic zones.

Abstract: A printable photovoltaic electrochromic device is provided. The device includes a transparent substrate, at least one thin-film solar cell on the transparent substrate, at least one single polarity electrochromic (EC) thin film, wherein the single polarity electrochromic thin film includes a single polarity electrochromic material and a polyelectrolyte. The thin-film solar cell at least includes an anode layer, a cathode layer, and a photoelectric conversion layer between the anode layer and cathode layer, wherein a portion of the anode layer or a portion of the cathode layer is exposed from the thin-film solar cell. The single polarity electrochromic thin film covers and contacts with both the cathode layer and the anode layer.

Abstract: A vehicular rearview mirror assembly includes a mirror casing, a reflective element and a mounting assembly for adjustably mounting the mirror assembly at a portion of the equipped vehicle. The reflective element has a front surface and a rear surface and a perimeter edge about its periphery and extending between the front and rear surfaces. The front surface generally faces a driver of the vehicle when the mirror assembly is normally mounted in the equipped vehicle. The rear surface of the reflective element may be attached to an attachment surface of an attachment plate or of the mirror casing to secure the reflective element relative to the mirror casing. The perimeter edge of the reflective element may be exposed and viewable by the driver of the vehicle when the reflective element is attached to the attachment surface and when the mirror assembly is normally mounted in the equipped vehicle.

Abstract: A pixel unit of an electrochromic display panel and a driving method thereof are described. The pixel unit includes a first substrate; a first electrode and a second electrode, on the first substrate; a first auxiliary counter electrode, on the first substrate and disposed between the first electrode and the second electrode; a first electrochromic material, on the first electrode; a second electrochromic material, on the second electrode; a second substrate, opposite to the first substrate; a third electrode, on the second substrate; a third electrochromic material, on the third electrode; and an electrolyte layer, between the first substrate and the second substrate.

Abstract: A rearview mirror assembly for a vehicle includes an electro-optic mirror reflective element having a front glass substrate and a rear glass substrate, with no portion of the rear glass substrate extending beyond any portion of the front glass substrate. The reflective element includes a perimeter band disposed around a perimeter border region of a second surface of the front glass substrate. The perimeter band generally conceals the presence of a perimeter seal from view by the driver of the vehicle. A plastic molding may be circumferentially disposed about the circumferential edge of the front glass substrate without overlapping onto the first surface of the front glass substrate. The outermost part of the plastic molding may lack a sharp edge. The plane of the first surface of the front glass substrate may be generally flush with the outermost part of the plastic molding.

Abstract: A variable reflectance mirror reflective element includes a front substrate and a rear substrate and an electrochromic medium disposed therebetween, with no part of the rear substrate extending beyond any part of the front substrate. A mirror reflector is disposed at a third surface of the rear substrate and includes a stack of thin films having at least one metal thin film. A perimeter layer is disposed at a second surface of the front substrate proximate a perimeter edge of the front substrate and generally conceals the perimeter seal from view by a person viewing through the front substrate. Light that reflects off of the mirror reflector and passes through the electrochromic medium and the front substrate has a substantially untinted reflectant characteristic to a person viewing the mirror reflective element when no voltage is applied to the electrochromic medium.

Abstract: Various plasmonic structures in the form of electrochromic optical switches are described which exhibit relatively high optical switching contrast. The switches generally include a collection of nanoslits formed in a thin electrically conductive film. An electrochromic material is disposed on the conductive film and along the sidewalls of the nanoslit(s).

Abstract: This disclosure describes systems and methods for creating monolithically integrated electrochromic devices which may be a flexible electrochromic device. Monolithic integration of thin film electrochromic devices may involve the electrical interconnection of multiple individual electrochromic devices through the creation of specific structures such as conductive pathway or insulating isolation trenches.

Abstract: This disclosure describes system and methods for creating an autonomous electrochromic assembly, and systems and methods for use of the autonomous electrochromic assembly in combination with a window. Embodiments described herein include an electrochromic assembly that has an electrochromic device, an energy storage device, an energy collection device, and an electrochromic controller device. These devices may be combined into a unitary electrochromic insert assembly. The electrochromic assembly may have the capability of generating power sufficient to operate and control an electrochromic device. This control may occur through the application of a voltage to an electrochromic device to change its opacity state. The electrochromic assembly may be used in combination with a window.

Abstract: A rearview mirror element assembly includes an electrochromic reflective element having a primary viewing region operable to exhibit electrically variable reflectivity, with a specularly reflective mirror reflector established at a third surface of a rear substrate at the primary viewing region. An auxiliary viewing region provides an auxiliary wide angle view of a blind spot to the side of a vehicle when the electrochromic reflective element is used in an exterior rearview mirror assembly mounted at a side of a vehicle. A specularly reflective demarcating layer is established at a second surface of a front substrate of the electrochromic reflective element and, at least in part, is visible through the front substrate to a viewer when viewing the first surface of the front substrate of the electrochromic reflective element. The demarcating layer at least partially traverses the reflective element adjacent the auxiliary viewing region.

Abstract: The presently disclosed subject matter can include or consist of the creation and manufacture of electrochromic thin film transistors, either self-sustaining or not, with lateral or vertical structure, deposited on any kind of functionalized substrate, referred to as electrochromic substrate, or non-functionalized substrate. The electrolyte material and the presence or not of an ultra-thin membrane can act as dielectric element. The electrochromic material can act as active semiconductor of the channel region. The gate, source and drain electrodes can be based on metal materials, such as Titanium, Gold, Aluminum, or degenerate semiconductive oxides, like Indium and Zinc oxide, Gallium-doped Zinc oxide. The device operation control process can be made by means of electronic and ionic current, and the off-state to on-state switch, or vice-versa, can be followed by a change of color of the device.

Abstract: A vehicular mirror assembly (100) includes a first bezel (107) for housing an electrochromic (EC) glass element and a second bezel (109) for housing a spotter glass (111) element. A spotter glass heating element (113) is positioned behind the spotter glass element (111) for heating the spotter glass (111) above an ambient temperature.

Abstract: An extended field of view exterior mirror element includes a reflective single glass element having a substantially flat inboard reflective glass portion and a multiradius curved outboard reflective glass portion. The substantially flat inboard reflective glass portion provides a first primary field of view rearward of the vehicle. When the driver-side exterior sideview mirror assembly is attached at the driver-side of the vehicle, the substantially flat inboard reflective glass portion provides to the driver of the vehicle a rearward field of view that subtends an angle that is not greater than approximately 20 degrees with respect to the driver-side of the vehicle. The multiradius curved outboard reflective glass portion provides a second auxiliary field of view rearward of the vehicle. The second auxiliary rearward field of view extends the first primary rearward field of view further outward from the driver-side of the vehicle.

Abstract: An electrochromic device includes a first electrochromic region interconnected with a second electrochromic region by a plurality of conductive links disposed between sides of a substrate on which the material layers of the electrochromic device are formed. The plurality of conductive links interconnects a first isolated conductive region of the first electrochromic region with a first isolated conductive region of the second electrochromic region. A sequence of a counter electrode layer, an ion conductor layer and an electrochromic layer is sandwiched between the first conductive regions of the first and second electrochromic regions and respective second isolated conductive regions of the first and second electrochromic regions. The second conductive regions of the first and second electrochromic regions are connected to respective first and second bus bars which are for connection to a low voltage electrical source.

Abstract: A device including a glass substrate made of a soda lime silica glass composition of: SiO2 (50˜75 wt %); Na2O (1˜8 wt %); K2O (1˜12 wt %); CaO (1˜12 wt %); ZrO2 (0˜8 wt %); SrO (0˜15 wt %); BaO (0˜12 wt %); MgO (0˜10 wt %); Al2O3 (0˜12 wt %); B2O3 (0˜3 wt %), wherein the total amount of Na2O and K2O is in the range of 5˜15 wt %, the total amount of CaO, MgO, SrO and BaO is in the range of 10˜25 wt %.

Abstract: An electrochromic device comprising a counter electrode layer comprised of lithium metal oxide which provides a high transmission in the fully intercalated state and which is capable of long-term stability, is disclosed. Methods of making an electrochromic device comprising such a counter electrode are also disclosed.

Abstract: The invention relates to an electrochromic optical lens and a method for the preparation thereof. The lens includes an electrode and a counter-electrode bearing an electrochromic material separated by a solid polymer electrolyte. The method consists of preparing the electrode and the counter-electrode and the assembly thereof by the surfaces thereof bearing the electrochromic material by interleaving an electrolyte membrane between said surfaces. The electrolyte membrane is interleaved in the form of a composition free of volatile liquid solvent, including a precursor of the polymer and a salt, which is liquid or which has a dynamic viscosity [mu] between 100 and 106 Pa·s.

Abstract: Electrochromic device laminates and their method of manufacture are disclosed.

Abstract: A flexible display device includes a flexible substrate, a display layer, a first protecting layer, and at least one light-pervious polymer film. The display layer is arranged on the flexible substrate. The first protecting layer is arranged on the display layer. The at least one light-pervious polymer film is arranged on the first protecting layer. The light-pervious polymer film is used to protect the flexible display device from being damaged by external force.

Abstract: Electrochromic device laminates and their method of manufacture are disclosed.

Abstract: An electrochromic display device including: a first substrate; first electrodes parallely extending on the first substrate; a second substrate opposite to the first substrate; second electrodes parallely extending in a direction orthogonal to the first electrodes on the second substrate; and an electrochromic composition layer between the substrates, wherein the device is passive-matrix driven to perform a display by energization between the electrodes, and to perform erasing of the display by energization in a reverse direction, a pixel is formed in a portion where the first electrodes sterically intersect with the second electrodes, and metal electrical wires extending over the regions between the second electrodes and the second substrate along the second electrodes, each of metal electrical wires being conductively connected to each of the second electrodes corresponding to any one of the regions, and insulated from each of the second electrodes corresponding to the other regions.

Abstract: Provided is an information presentation system installed on a vehicle, and including a robot (100) having a driver unit (120) to drive the robot (100) and an output unit (130) to output information generated according to vehicle conditions, and a robot control device (200) having an information acquirer unit (210) to acquire the information generated according to the vehicle conditions, an action controller unit (220) to cause the driver unit (120) to drive the robot (100) in response to the acquired information, thereby causing the robot (100) to take an action of informing a passenger that information will be presented, and an information presenter unit (230) to cause the robot (100) to take an action of presenting the information after taking the action of informing the passenger that the information will be presented.

Abstract: There is provided a composition for electrochromic devices which clearly present only two states, a white-colored state and a decolored state. The composition for electrochromic devices contains (A) a specific quaternary ammonium salt, (B) a supporting electrolyte containing bromide ion, and (C) a solvent containing water as an essential component, and (A) is soluble in (C).

Abstract: This invention focuses on electrooptic devices and in particular on electrochromic (EC) devices with many aspects directed towards automotive EC mirrors. This invention improves the visual impact of such devices by employing modifications to the materials and layers so that their refractive index can be changed and/or matched to get this improvement. In addition this also discloses use of in-molded electronic components to reduce the assembly cost of these devices and improve their reliability. Displays can be incorporated in EC mirrors while having reflective coatings on the fourth surface.

Abstract: An electrochromic device includes a first electrode, a second electrode opposing the first electrode, a first electrochromic layer, a second electrochromic layer, and an electrolyte contacted with the first and second electrochromic layers. The first and second electrochromic layers are positioned between the first electrode and the second electrode and includes different electrochromic materials. The first and second electrochromic layers are simultaneously n-type or simultaneously p-type. The electrochromic device may display transparency and various colors in a single pixel without using plural sub-pixels.

Abstract: A complimentary polymer or “dual-polymer” electrochromic device and methods of preparing the same are provided.

Abstract: An electrochromic device including: (a) a first substantially transparent substrate having an electrically conductive material associated therewith; (b) a second substrate having an electrically conductive material associated therewith; (c) an electrochromic medium contained within a chamber positioned between the first and second substrates which includes: (1) a solvent; (2) an anodic material; and (3) a cathodic material, wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic; (d) wherein a seal member, the first substrate, the second substrate, and/or the chamber includes a plug associated with a fill port; and (e) wherein the plug is at least partially cured with an antimonate photo initiator and/or is a one- or two-part plug which comprises a resin or mixture of resins that are substantially insoluble and/or substantially immiscible with an associated electrochromic medium while in the uncured state.

Abstract: Provided is an electrochemical display element composed of a simple member structure, capable of driving at low voltage, and exhibiting high display contrast and white display reflectance, and further to provide the electrochemical display element exhibiting reduced variation in reflectance during repetitive driving even after storage for a long duration. Disclosed is an electrochemical display element possessing an N-oxyl derivative represented by the following Formula (1), an electrolyte and a pair of facing electrodes: wherein each of R1, R2, R3 and R4 independently represents an aliphatic hydrocarbon group, an aromatic hydrocarbon group or a heterocyclic group, which may have a hydrogen atom or a substituent; Z1 represents a group of atoms having 2 or 3 atoms to form a cyclic structure; and Z1 may also have a substituent.

Abstract: An exterior rearview mirror assembly includes a variable reflectance mirror reflective element. A mirror reflector of the mirror reflective element includes a stack of thin films having at least two thin films. At least one of the thin films is formed of a material that has a specific resistivity of less than about 1×10?2 ohm·cm, and at least one of the thin films is a thin metal film. An electrochromic medium is disposed in an interpane cavity of the mirror reflective element and is bounded by a perimeter seal. A reflective perimeter layer is disposed at a second surface of a front substrate proximate a perimeter edge of the front substrate. The perimeter layer generally conceals the perimeter seal from view by a driver of the vehicle normally viewing the front substrate when the exterior rearview mirror assembly is mounted at the vehicle.

Abstract: An electrochromic display module employing a unique combination of architecture and electrochromic composition to provide an extended life to the module. The architecture may involve the use of an extended seal about a perimeter of a display portion where the composition is located. In this manner, the rate of solvent leakage from the composition may be substantially reduced. Additionally, the electrochromic composition itself may make use of particular low volatility solvents and constituent combinations so as to discourage the amount particle generation therein. Ultimately, an electrochromic display module having a useful life of more than about 3 years may be provided.

Abstract: Provided is a novel electrochromic compound that is excellent in oxidation-reduction repetition and highly transparent when bleached and does not show optical absorption in the visible light region. The compound is an organic compound represented by General Formula [1] shown in Claim 1. In the General Formula [1], A and A? are each independently selected from hydrogen atoms, alkyl groups, alkoxy groups, and aryl groups, wherein at least one of A and A? is selected from the alkyl groups, the alkoxy groups, and the aryl groups. R1 and R2 independently represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group, an aralkyl group, an amino group, or a silyl group; and n represents 1 or 2.

Abstract: This invention relates to a printable composition and in particular to a printable composition for application to an electrochromic and/or electrochemical device. The printable electrolyte composition for the production of electrochemical devices comprises: 20-50% by weight, based on the total amount of the composition, of a thermally-curable base which comprises a resin; 20-70% by weight, based on the total amount of the composition, of a solvent; and 10-50% by weight, based on the total amount of the composition, of an electrolyte, wherein the composition has a viscosity of 0.3 Pas or higher.

Abstract: The present invention provides a rear under view mirror system for vehicles. The rear under view mirror system includes a rear under view mirror unit having a semitransparent glass and an electrically switchable glass. When a vehicle moves forwards, the rear under view mirror unit does not protrude rearwards relative to a vehicle body and overlaps a rear windshield glass, thus providing a good appearance and preventing resistance to airflow, without hindering a driver from seeing the area behind the vehicle through the rear windshield glass. The rear under view mirror unit has a large area corresponding to that of the rear windshield glass, thus providing a sufficient view of the low area to the rear of the vehicle.

Abstract: A photochromic composition that is liquid at 20° C. and includes (a) at least one photochromic dye and (b) an ionic solvent selected from (b)(i) room-temperature ionic liquids (RTIL), (b)(ii) ionic liquid mixtures that are liquid at room temperature, and (b)(iii) room-temperature liquid mixtures of at least one ionic liquid and at least one organic solvent that is miscible therewith. The use of said photochromic composition in optical devices such as ophthalmic lenses is also described.

Abstract: An electroconductive layer (2) designed to be combined with a substrate having a glass function, said layer (2) being composed of a metal grid (9), characterized in that the metal grid (9) consists of a pure metal and in that it is coated with at least one electrochemical protection layer (10), especially a metal layer or a metal nitride layer.

Abstract: A thin-film optoelectric device is disclosed comprising a functional layer structure (30) enclosed between a first barrier layer structure (20) and a second barrier layer structure (40), the device having an open, electrically interconnected conductive structure (10) that is embedded within the first barrier layer structure (20), that comprises at least one elongated element (12a, 12b, 12c) of a metal that laterally extends within the barrier layer structure (20), and that is arranged against the functional layer structure (30), the electrically interconnected conductive structure (10) having a laterally facing, processed surface embedded in the first barrier layer (20).

Abstract: The present invention relates to an electrochromic device having at least one active area (CDEF), having, on a carrier substrate (3), a multilayer stack comprising a layer forming a lower electrode (4), various functional layers (7) at least one of which is an electrochromic layer, at least one (6, 7a) of these layers being electrically insulating, and an upper electrode (9), in which device: at least one partition (5) separating the surface of the lower electrode (4) into two isolated regions, namely a free region (4a) and an active region (4b) containing the active area (CDEF); and at least one partition (12) separating the surface of the upper electrode (9) into two regions electrically isolated from each other, namely a free region (9a) and an active region (9b) containing the active area (CDEF).

Abstract: An interior rearview mirror system for a vehicle includes an interior rearview mirror assembly including an electrochromic reflective element. A transflective mirror reflector is established at a third surface of a rear substrate of the mirror assembly. The mirror reflector has at least three layers, including a metallic layer, a transparent conductive metal oxide layer and a transparent dielectric metal oxide layer. The metallic layer is closer to the electrochromic medium than the transparent conductive metal oxide layer and the transparent dielectric metal oxide layer, and the transparent conductive metal oxide layer and the transparent dielectric metal oxide layer are disposed between the metallic layer and the third surface of the rear substrate. The at least three layers of the mirror reflector are established at the third surface of the rear substrate by a vacuum deposition process that includes sputtering from multiple sputtering targets in a single vacuum deposition chamber.

Abstract: An electrochromic glazing containing: a substrate including a layer structure thereon, which contains a first and second electrode layer, between which a first and second electrochemically active layer are situated, which each reversibly incorporate ions, wherein the first active layer contains an electrochromic material and the two active layers are separated from each other by an electrolyte layer, the layer structure being subdivided into series-connected electrochromic cells by a transition zone comprising: a first trench; a second trench; and a third trench between the first and second trenches, wherein the first and second trenches subdivide the first and second electrode layers into first electrode sections electrically insulated from each other and second electrode sections electrically insulated from each other, respectively, and the third trench is filled with an electrically conductive material, by which the first and second electrode sections of the cells adjacent the transition zone are electrica

Abstract: A display element containing an electrolyte (containing a metal salt compound) disposed between counter electrodes, wherein a compound represented by the following Formula (A) is immobilized on at least one of the counter electrodes: wherein R22 represents an aryl group, R23 and R24 independently represents a hydrogen atom or a substituent; X represents >N—R25, an oxygen atom or sulfur atom; and R25 represents a hydrogen atom or a substituent, a ratio of a region on which the compound of Formula (A) is immobilized to a region on which the compound is not immobilized is 1:4 to 4:1. A black display, a white display and a color display having a color other than black are achieved by the operation of the counter electrodes.

Abstract: An electrochromic display device includes a display substrate, a counter substrate facing the display substrate, counter electrodes formed on the counter substrate, at least first and second display electrodes arranged between the display substrate and the counter electrodes, the first display electrode and the second display electrode having a predetermined distance from each other, a first electrochromic layer arranged on the first display electrode and a second electrochromic layer arranged on the second display electrode, an electrolyte layer arranged between the respective first and the second display electrodes and the counter electrodes, and a protective layer made of an insulator material formed on a counter electrode facing side surface of one of the first and the second display electrodes such that the protective layer is sandwiched between the selected one of the first and the second display electrodes and a corresponding one of the first and the second electrochromic layers.

Abstract: An electrochromic material including at least one compound represented by Chemical Formulas 1 to 3, for use in an electrochromic device: wherein Z1 to Z3 are each independently selected from a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group or a combination thereof, R1 to R3 are each independently selected from a single bond, a substituted or unsubstituted C1 to C30 alkylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group or a combination thereof.

Abstract: A system for controlling a printed dynamic optical illusion image, comprising: an item including a printed optical illusion image having one or more mutable portions that can be controllably switched between first and second appearance states by application of an appropriate external stimulus; a stimulus source for providing the external stimulus; and a controller for controlling the stimulus source. The printed optical illusion image is printed on a printing device using a plurality of colorants, one or more of the colorants being appearance mutable colorants having spectral characteristics that can be controllably switched between a first colorant state and a second colorant state by applying the appropriate external stimulus, the one or more mutable portions of the optical illusion image being printed using at least one appearance mutable colorant.

Abstract: An apparatus for driving an electrochromic device (ECD) includes a driving volt age output unit for selectively applying a coloring or decoloring voltage between upper and lower electrodes of an ECD; a timer for counting an applying time of the coloring or decoloring voltage in a memory type driving mode and then outputting a voltage application completion signal after the counted time exceeds a preset time, the timer bypassing the counting operation in a non-memory type driving mode; and a driving controller for selectively inputting a coloring or decoloring signal to the driving voltage output unit such that the driving voltage output unit is controlled to output a coloring or decoloring voltage corresponding to the signal, the driving controller receiving the voltage application completion signal to stop the input of the coloring or decoloring signal. Thus, memory type and non-memory type ECDs may be driven automatically using only one apparatus.

Abstract: An active matrix electrochromic device array and a method of manufacturing the active matrix electrochromic device array may include a first substrate including a pixel electrode corresponding to each of the pixels, and an electrochromic layer; a second substrate including a counter electrode and a reflective layer arranged on the counter electrode, wherein the first substrate and the second substrate are coupled to each other having a distance therebetween by a partition wall supporting the first substrate and the second substrate; and the partition wall isolates a space between the first substrate and the second substrate with respect to each of the pixels, thereby preventing or reducing an electrolyte filled in the space from being diffused toward a neighboring space.

Abstract: A bis-terpyridine monomer includes a first terpyridyl substituent (A), a second terpyridyl substituent (B), and a spacer that contains at least one benzene ring and links the first terpyridyl substituent (A) and the second terpyridyl substituent (B). The bis-terpyridine monomer is represented by the following formula (10): where X1 is a halogen; and R1, R2, R3 and R4 are each independently a halogen atom, an aryl group or an alkyl group.

Abstract: The invention describes a rear view mirror including a reflective element in a cavity of a mirror housing with a mirror head and a mirror base. An indicator light for indicating situation information to a vehicle driver is installed, wherein the indicator light includes light sources and an optical element that allows the light to shine through. The indicator light has a split printed circuit board to support at least two light source elements and a light guide wherein the light emitted from the light sources is coupled into the end faces of the light guide.

Abstract: An organically based electrochromic component, e.g. for the production of displays and/or state indicators produces at least two colors. For the first time, two colors can be switched according to the voltage by using a dye system of 4,4?-bipyridinium salts.

Abstract: According to example embodiments, an electrochromic device includes pixel containing a first sub-pixel and a second sub-pixel. The first sub-pixel includes a first electrolyte contacting a first electrochromic layer. The first electrochromic layer includes a first electrochromic material configured to display each one of transparency and at least two colors, based on a voltage applied to the first electrochromic material. The second sub-pixel includes a second electrolyte contacting a second electrochromic layer. The second electrochromic layer includes a second electrochromic material configured to display each one of transparency, black, and at least one color other than black, based on a voltage applied to the second electrochromic material.

Abstract: A 3D image display device includes a display module, an electrochromic module, a control unit and a sensing unit. The electrochromic module has a first electrochromic element and a second electrochromic element disposed in the different direction, and the electrochromic element is a solution type electrochromic material, and the valence of ions in the material is changed to produce a quick and uniform coloration. The display device transmits a detect signal of the sensing unit to the control unit, and the control unit controls the coloration/decoloration of the first and second electrochromic elements to switch the horizontal or vertical parallax barrier, such that viewers can view a 3D image from different viewing angles and directions.