The disclosure provides for an electrochromic element comprising a first substrate and a second substrate. The first substrate comprises a first surface and a second surface. The second substrate comprises a third surface and a fourth surface. The first substrate and the second substrate form a cavity have an electrochromic medium disposed therein. A dielectric coating is disposed on the fourth surface and is configured to provide for improved transmittance of the electrochromic element in the near infrared (NIR) range, wherein the near infrared transmittance exceeds the visible transmittance.

As an example of an EC element in which vertical color separation is suppressed, the present disclosure provides an EC element including a pair of electrodes, a solvent, an anodic EC compound, and a cathodic EC compound. In the EC element, the difference between a solvation free energy of an oxidized form of the anodic EC compound in water and a solvation free energy of the oxidized form in octanol is 35 kcal/mol or more, and the cathodic EC compound has a substituent containing any one element selected from halogens, sulfur, boron, phosphorus, and silicon.

The present invention relates to a display device.

As an example of an EC element in which vertical color separation is suppressed, the present disclosure provides an EC element including a pair of electrodes, a solvent, an anodic EC compound, and a cathodic EC compound. In the EC element, the difference between a solvation free energy of an oxidized form of the anodic EC compound in water and a solvation free energy of the oxidized form in octanol is 35 kcal/mol or more, and the difference between a solvation free energy of a reduced form of the cathodic EC compound in propylene carbonate and a solvation free energy of the reduced form in octanol is 35 kcal/mol or less.

An imaging system and method are provided herein. A first light source is configured to project a first illumination onto a vehicle occupant. A second light source is configured to project a second illumination onto the vehicle occupant. An imager is configured to acquire one or more images of a biometric feature of the vehicle occupant and generate image data corresponding to the one or more acquired images. The imager is further configured with a variable field of view based on which of the first and second light sources is activated.

An electrochromic multi-layer stack is provided. The multi-layer stack includes an electrochromic multi-layer stack having a first substrate, a first electrically conductive layer, a first electrode layer, an ion conductor layer, a second substrate, a second electrically conductive layer, and a second electrode layer. The multi-layer stack includes a redox element, wherein the redox element is electrically isolated from the first and second electrically conductive layers and the first and second electrode layer and is laterally adjacent to either the first electrically conductive layer and the first electrode, or the second electrically conductive layer and the second electrode layer. A method for controlling an electrochromic device is also provided.

An electrochromic medium for use in an electro-optic device comprises a solvent comprising at least one low-volatile organic electrolyte solvent based on a cyclic carbonate ester; an anodic electroactive material; and a cathodic electroactive material; and at least one of the anodic and cathodic electroactive materials is electrochromic.

A rearview device for a vehicle having an electro-optic element. A first substrate includes first and second surfaces disposed on opposite sides thereof. The second surface includes a first electrically conductive layer. A second substrate includes third and fourth surfaces disposed on opposite sides thereof. The third surface includes a second electrically conductive layer. An electro-optic medium is disposed in a cavity. The electro-optic medium is variably transmissive such that the electro-optic medium is operable between generally clear and darkened states. A first electrical connection and a second electrical connection are positioned on the same side of the electro-optic element. A display device is disposed proximate the fourth surface of the second substrate. A toggle paddle is disposed behind the electro-optic element. The toggle paddle includes a plurality of distinct buttons. Each distinct button includes a distinct tactile indicia on a rear surface thereof.

An electrochromic element, which includes a pair of electrodes and an electrochromic layer disposed between the electrodes. The electrochromic layer contains at least one of two or more kinds of anode electrochromic materials, or two or more kinds of cathode electrochromic materials. All of one of the anode electrochromic materials and the cathode electrochromic materials have an equal molecular length, or have a molecular length ratio of (large molecular length)/(small molecular length) of 1.4 or less, the electrochromic element being such that even when a driving environment temperature changes, its gradation can be controlled under a state in which its absorption spectrum is retained.

The embodiments herein relate to electrochromic stacks, electrochromic devices, and methods and apparatus for making such stacks and devices. In various embodiments, an anodically coloring layer in an electrochromic stack or device is fabricated to include nickel-tungsten-niobium-oxide (NiWNbO). This material is particularly beneficial in that it is very transparent in its clear state.