Optical resonant gel display
AssigneeLight Modulation, Inc.
InventorFlorencio Cabrera
Life of this patent
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AssigneeLight Modulation, Inc.
InventorFlorencio Cabrera
Estimating the term…
A white or colored thixotropic gel is used in conjunction with an electromechanical addressable X-Y pixel array composed of micro-magnet pairs in order to produce a re-writable display surface for forming images. Images are formed on the surface of this display by changing the state of transparency of the gel surface, from semi-solid to semi-liquid as a result of thixotropic bond shearing. In addition, pixels are capsules filled with any given color. Furthermore, each active color capsule is forced upwards by magnetic repulsion between the twin-micro-magnet elements to help form images and break the surface tension of the gel and press against the front layer film and forming a visible pixel or; downwards to help erase the image by means of magnetic attraction between the two micro-magnets located directly underneath each pixel. In an embodiment of this invention, four or more layers of materials are bonded together in a flexible construct in order to provide to users a low-cost electronic paper-like display.
A display device comprised of a composite of the following layers:
An electronic re-writable display using a thixotropic gel layer for providing high contrast, wide viewing angle and reflectivity from its surface;
A method for forming images on the display by activating a DC current under each pixel color capsule, causing the thixotropic gel to shear its covalent bonding and changing its state from semi-solid to semi-liquid and as a result increasing its transparency. Simultaneously with the covalent bond shearing caused by the DC current, each color capsule pixels is aided in forming images by becoming more visible on the surface by the second effect of the DC current which is to raise electro-mechanically as a result magnetic repulsion between two square magnets paired directly underneath each pixel and changing their polarity due to the DC voltage.
The technique of using physical color capsules supported by an array of micro-magnet pixels bases arranged on a highly flexible transparent film substrate. Each one of the micro-capsule pixels located directly above the X-Y array of twin-micro-magnet control elements of claim 5.
An array of X-Y electrical connector wires that can be independently addressed in order to produce a DC current on the base magnet which causes it to produce an electromagnetic field of the same polarity as the magnet above it and thereby creating a magnetic repulsion and an electric current to flow that causes thixotropic bond shearing to the opaque paint covering the display surface over each pixel while in an OFF state.
The method whereby each pixel becomes visible in order to form an image and becomes later invisible in order erase such image by means of applying a DC current as a force to shear the thixotropic bonds of the gel surface;
The method whereby an electronic micro-controller circuit is provided to control the X-Y array of micro-magnet pixel control elements in order to activate and de-activate each one in response to electronic signals detected by the arrangement of claim 10.
The method for using large color capsules contained in heavier gauge plastic membranes in order to enable the commercial and retail scalability of this display from small sizes for use in applications like shelf-edge electronic labels and other small surface display applications, to larger scale applications like road signs and billboards by using larger and larger sizes of transparent membrane spheres for large surface applications.
The method whereby scaling a paper-like display from the usage of micro-pixels to a new use of larger and larger sized transparent membrane spheres referred as color capsules and each one supported by the use of larger and larger twin-magnet control elements and larger and larger current and voltage values in order to impress and erase images.
An alternative embodiment for an optical data detector with a flexible design that is comprised of a composite of the following materials:
An optical data detector for forming and erasing images in a wireless manner, comprised of a composite of the following layers:
A method for the assembly of the composite optical data receiver by layers of materials that are placed directly in front of each other so as to form a construct of several layers, so that the total surface of the receiver is generally the same surface as each one of the composite layers and whereby the use of the perimeter for a suitable receiver is made.
An optical receiver that uses a composite of layers stacked upon each other so a to provide a flexible, wireless and low-cost electronic sign also known as LightPaper.
Dependencies are inferred from the claim text.