Amazon patents display tech that builds touch sensors into the screen's light layer
Amazon describes a display module where the touch sensor is built directly into the common electrode plate, which also helps manage light for the screen. The design uses layers with different light-bending properties and a scattering structure to control how light passes through the display.
In the filing’s own words
A device includes a thin film transistor structure including a plurality of pixel electrodes and a pixelated electronic slurry structure coupled to the thin film transistor structure. The device also includes a common electrode plate including a common electrode electrically coupled to the pixelated electronic slurry structure and a touch sensor module coupled to the common electrode plate.
What exactly they claim (claim 1)
1. A device comprising: a thin film transistor structure including a plurality of pixel electrodes; a display unit coupled to the thin film transistor structure and comprising: a common electrode; a coating coupled to the common electrode and characterized by a first index of refraction; an optical layer coupled to the coating and characterized by a second index of refraction greater than the first index of refraction; an optical scattering structure coupled to the optical layer; a light source optically coupled to the optical layer; and a touch sensitive module coupled to the display unit.
Facts
- Company
- Amazon (Amazon Technologies, Inc.)
- Official title
- Display electronic slurry module with frontlight integrated into common electrode plate
- Patent number
- US12748335B1
- Application number
- 18827575
- Filed
- Sep 6, 2024
- Granted
- Sep 29, 2026
- Inventors
- 3
- Claims
- 20
Classified under
G02F 1/16766 Physics & computingG02F 1/13338 Physics & computingG02F 1/167 Physics & computingG02F 1/1677 Physics & computingG06F 3/0412 Physics & computingMore from Amazon in AR, VR & displays
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.