Light emitting diode display pixel
US12039922B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 30, 2022 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | Mar 30, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/028
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A display pixel including at least one light-emitting diode, a circuit for driving the light-emitting diode, and first, second, third, and fourth conductive pads. The driver circuit is powered with a first power supply voltage received between the first and second pads. The light-emitting diode is powered with a first binary signal, received between the third and second pads, and alternating between a second power supply voltage, greater than the first voltage, and a third voltage, smaller than the first voltage. The driver circuit is configured to determine a digital signal based on the values of a second binary signal on the fourth pad received during each of first pulses of the first binary signal at the third voltage and to control the light-emitting diode from the digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.