Geometries for mitigating artifacts in see-through pixel arrays

Patent metadata

Field	Value
Publication number	US-2021003872-A1
Application number	US-202016920332-A
Country	US
Kind code	A1
Filing date	Jul 2, 2020
Priority date	Jul 5, 2019
Publication date	Jan 7, 2021
Grant date	—

Abstract

Disclosed are dimming assemblies and display systems for reducing artifacts produced by optically-transmissive displays. A system may include a substrate upon which a plurality of electronic components are disposed. The electronic components may include a plurality of pixels, a plurality of conductors, and a plurality of circuit modules. The plurality of pixels may be arranged in a two-dimensional array, with each pixel having a two-dimensional geometry corresponding to a shape with at least one curved side. The plurality of conductors may be arranged adjacent to the plurality of pixels. The system may also include control circuitry electrically coupled to the plurality of conductors. The control circuitry may be configured to apply electrical signals to the plurality of circuit modules by way of the plurality of conductors.

First claim

What is claimed is:

1 . A dimming assembly comprising:
an optically-transmissive substrate upon which a plurality of electronic components are disposed, the electronic components comprising:
a plurality of electrodes that are arranged spaced apart from one another in a two-dimensional array, wherein each of the plurality of electrodes has a two-dimensional geometry corresponding to a shape with a plurality of curved sides;
a plurality of conductors that are arranged adjacent to the plurality of electrodes in a two-dimensional lattice, wherein each of the plurality of conductors follows a curving path that conforms to the two-dimensional geometry of adjacent electrodes from the plurality of electrodes; and
a plurality of circuit modules that are arranged adjacent to the plurality of electrodes in a two-dimensional array, wherein each of the plurality of circuit modules is electrically coupled to (i) a respective electrode from the plurality of electrodes, and (ii) a respective pair of conductors from the plurality of conductors;
a planar electrode layer that is positioned in alignment with the plurality of electrodes; one or more layers that are positioned between the optically-transmissive substrate and the planar electrode layer, wherein the one or more layers comprise one or more layers of material that respond to electric fields; and control circuitry electrically coupled to the plurality of conductors and the planar electrode layer, the control circuitry configured to apply electrical signals to the plurality of circuit modules by way of the plurality of conductors to selectively generate one or more electric fields between the planar electrode layer and one or more of the plurality of electrodes in the two-dimensional array, respectively.

2 . A display system comprising:
a substrate upon which a plurality of electronic components are disposed, the electronic components comprising:
a plurality of pixels that are arranged in a two-dimensional array, wherein each of the plurality of pixels has a two-dimensional geometry corresponding to a shape with at least one curved side;
a plurality of conductors that are arranged adjacent to the plurality of pixels; and
a plurality of circuit modules that are arranged adjacent to the plurality of pixels, wherein each of the plurality of circuit modules is electrically coupled to a respective pixel from the plurality of pixels and at least one conductor from the plurality of conductors; and
control circuitry electrically coupled to the plurality of conductors, the control circuitry configured to apply electrical signals to the plurality of circuit modules by way of the plurality of conductors.

3 . The display system of claim 2 , wherein each of the plurality of conductors follows a curving path that conforms to the two-dimensional geometry of adjacent pixels from the plurality of pixels.

4 . The display system of claim 2 , wherein the substrate is an optically-transmissive substrate.

5 . The display system of claim 2 , wherein the plurality of pixels are a plurality of electrodes.

6 . The display system of claim 2 , further comprising:
a planar electrode layer that is positioned in alignment with the plurality of pixels.

7 . The display system of claim 6 , further comprising:
one or more layers that are positioned between the substrate and the planar electrode layer, wherein the one or more layers comprise one or more layers of material that respond to electric fields.

8 . The display system of claim 6 , wherein the control circuitry is further electrically coupled to the planar electrode layer.

9 . The display system of claim 8 , wherein the control circuitry configured to apply electrical signals to the plurality of circuit modules by way of the plurality of conductors to selectively generate one or more electric fields between the planar electrode layer and one or more of the plurality of pixels in the two-dimensional array, respectively.

10 . The display system of claim 2 , wherein each of the plurality of circuit modules is electrically coupled to a pair of conductors from the plurality of conductors.

11 . The display system of claim 2 , wherein each of the shapes includes a plurality of curved sides.

12 . The display system of claim 2 , wherein the plurality of pixels form a particular tessellation.

13 . A display system comprising:
a first optically-transmissive substrate upon which a first set of one or more electrodes are disposed; a second optically-transmissive substrate upon which a second set of one or more electrodes are disposed; one or more layers that are positioned between the first set of one or more electrodes and the second set of one or more electrodes, wherein the one or more layers comprise one or more layers of material that respond to electric fields; a quantity of material disposed in a particular geometric pattern over the second optically-transmissive substrate, the particular geometric pattern including a plurality of curved segments; and control circuitry electrically coupled to the first set of one or more electrodes and the second set of one or more electrodes, the control circuitry configured to apply electrical signals to one or both of the first and second sets of one or more electrodes to selectively generate one or more electric fields across the one or more layers.

14 . The display system of claim 13 , wherein each of the plurality of curved segments is disposed in alignment with an edge of a respective electrode from the first set of one or more electrodes or the second set of one or more electrodes.

15 . The display system of claim 14 , wherein the edge of the respective electrode with which each of the plurality of curved segments is aligned has a curved geometry.

16 . The display system of claim 15 , wherein the curved geometry is semicircular, serpentine, sinusoidal, or a combination thereof.

17 . The display system of claim 14 , wherein the edge of the respective electrode with which each of the plurality of curved segments is aligned corresponds to a sinuosity value that is less than or equal to a value of 1.02.

18 . The display system of claim 13 , wherein the quantity of material disposed over the second optically-transmissive substrate comprises a quantity of resin or chromium.

19 . The display system of claim 13 , wherein a point spread function (PSF) of the particular geometric pattern corresponds to an Airy pattern.

20 . The display system of claim 13 , wherein the particular geometric pattern corresponds to a particular tessellation.

Assignees

• Magic Leap Inc

Inventors

• Russell Andrew Ian
• Trisnadi Jahja I
• Mathur Vaibhav
• Manly David
• Johnson Michael Robert
• Carlisle Clinton

Classifications

• G02F1/133512

  Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence) · CPC title

• G02F1/134309

  characterised by their geometrical arrangement · CPC title

• G02C7/101 Primary

  having an electro-optical light valve (electro-optical elements per se G02F) · CPC title

• G02F1/136286

  Wiring, e.g. gate line, drain line · CPC title

• G02B2027/0178

  Eyeglass type (eyeglass details G02C) · CPC title