Display diagnostic system
US11257407B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2020 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | May 29, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In one example, an apparatus comprises a backplane to attach an array of light emitting diodes (LED), the backplane comprising an array of display driver circuits, each display driver circuit of the array of display driver circuits corresponding to an LED of the array of LEDs and comprising: a current driver circuit configured to supply to a current to the corresponding LED; a control signal generator circuit configured to supply a driver control signal to the current driver circuit to control the current; and one or more monitor circuits controllable to provide access to at least one of: the current, or an internal voltage of at least one of the current driver circuit or the control signal generator circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.