18064870. POLARITY SWITCHING POWER SUPPLY DEVICE simplified abstract (Microsoft Technology Licensing, LLC)

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POLARITY SWITCHING POWER SUPPLY DEVICE

Organization Name

Microsoft Technology Licensing, LLC

Inventor(s)

Chang Joon Park of Sunnyvale CA (US)

Mike Voong of Daly City CA (US)

Brock McCray Roland of San Bruno CA (US)

POLARITY SWITCHING POWER SUPPLY DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18064870 titled 'POLARITY SWITCHING POWER SUPPLY DEVICE

Simplified Explanation: The patent application describes a power supply device for controlling a liquid crystal display (LCD) panel efficiently. The device includes positive-side and negative-side switching converters controlled by a controller to alternate bias voltage polarity in active-bias and neutral-bias modes.

  • The power supply device includes a positive-side switching converter, a negative-side switching converter, and a controller.
  • The controller alternates the bias voltage polarity across the positive and negative output nodes in an active-bias mode by switching between forward-bias and reverse-bias states.
  • In the neutral-bias mode, the controller provides a neutral bias voltage across the positive and negative output nodes.

Potential Applications: This technology can be applied in various electronic devices that use LCD panels, such as televisions, computer monitors, and smartphones.

Problems Solved: The power supply device addresses the need for reliable and power-efficient control of LCD panels, ensuring optimal performance and energy savings.

Benefits: - Improved power efficiency in controlling LCD panels - Reliable operation of electronic devices - Enhanced performance of LCD panels

Commercial Applications: The technology can be utilized in the manufacturing of consumer electronics, leading to more energy-efficient and reliable products in the market.

Prior Art: Readers can explore prior patents related to power supply devices for LCD panels to understand the evolution of similar technologies in the field.

Frequently Updated Research: Stay informed about the latest advancements in power supply technologies for LCD panels to ensure the implementation of cutting-edge solutions.

Questions about LCD Power Supply Technology: 1. How does the active-bias mode of the power supply device contribute to power efficiency? 2. What are the key advantages of using a controller to manage bias voltage polarity in LCD panels?


Original Abstract Submitted

Examples are disclosed that relate to a power supply device for controlling a liquid crystal display (LCD) panel in a reliable and power efficient manner. In one example, the power supply device includes a positive-side switching converter, a negative-side switching converter, and a controller. In an active-bias mode, the controller controls the positive-side switching converter and the negative-side switching converter to alternate a polarity of a bias voltage across a positive output node and a negative output node by alternating between a forward-bias state and a reverse-bias state. In a neutral-bias mode, the controller provides a neutral bias voltage across the positive output node and the negative output node.

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