Apple inc. (20240096291). Method and Apparatus for LED Driver to Reduce Cross Talk or Flicker simplified abstract

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Method and Apparatus for LED Driver to Reduce Cross Talk or Flicker

Organization Name

apple inc.

Inventor(s)

Ming Sun of Santa Clara CA (US)

Nicola Rasera of Munich (DE)

Robert D Zucker of Half Moon Bay CA (US)

Johan L Piper of Cupertino CA (US)

Denis M Darmon of Boulder CO (US)

Fabio Ongaro of Unterhaching (DE)

Xiaofeng Wang of San Jose CA (US)

Method and Apparatus for LED Driver to Reduce Cross Talk or Flicker - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240096291 titled 'Method and Apparatus for LED Driver to Reduce Cross Talk or Flicker

Simplified Explanation

The patent application describes systems and methods for electronic displays to use reference voltages to control driving current of illuminators, reducing crosstalk and driving voltage variations.

  • Reference voltages are used to control driving current of illuminators.
  • Crosstalk among different illuminators is reduced or eliminated.
  • Driving voltage variations from frame to frame are minimized.
  • Transient performance of driving current is improved.
  • Current rise/decline time, overshoot issue, and settling time are optimized.

Potential Applications

This technology could be applied in various electronic display devices such as televisions, monitors, and digital signage to improve the performance and efficiency of illuminators.

Problems Solved

This technology addresses issues related to crosstalk among illuminators, driving voltage variations, and transient performance of driving current in electronic displays.

Benefits

The use of reference voltages enhances the overall performance and reliability of electronic displays by reducing crosstalk, minimizing voltage variations, and improving transient performance.

Potential Commercial Applications

This technology could be valuable for manufacturers of electronic displays looking to enhance the quality and efficiency of their products, leading to improved customer satisfaction and potentially increased sales.

Possible Prior Art

One possible prior art could be the use of feedback control systems in electronic displays to regulate driving current and voltage, although the specific implementation of reference voltages for this purpose may be novel.

Unanswered Questions

How does this technology impact the cost of electronic displays?

The patent application does not provide information on the potential cost implications of implementing this technology in electronic displays. It would be important to understand if the use of reference voltages adds significant costs to the manufacturing process or if it can be implemented cost-effectively.

What are the potential limitations or drawbacks of using reference voltages in electronic displays?

The patent application does not discuss any potential limitations or drawbacks of using reference voltages to control driving current in electronic displays. It would be essential to explore any potential challenges or trade-offs associated with this technology, such as compatibility issues with existing display systems or increased complexity in design and manufacturing processes.


Original Abstract Submitted

systems and methods for electronic displays to use reference voltages to control driving current of illuminators are provided. the reference voltages are used to reduce or eliminate cross talk in driving voltages among different illuminators and driving voltage variations from frame to frame. the transient performance of the driving current of the illuminator (e.g., the current rise/decline time, current overshoot issue, current settling time) may be improved by implementing the reference voltages.