Company Filing History:
Years Active: 2010-2015
Title: Innovations by Inventor Jia-Hau Liu
Introduction
Jia-Hau Liu is a prominent inventor based in Austin, TX (US). He has made significant contributions to the field of LCD technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and functionality of LCD controllers.
Latest Patents
One of his latest patents is titled "System and method for LCD loop control." This invention features an LCD controller that includes a charge pump for generating a charge voltage responsive to an external voltage and a clock signal. The controller also incorporates an oscillator that generates the clock signal based on an oscillator control signal. Additionally, an LCD driver voltage circuit generates multiple LCD driver voltages to drive segments of an associated LCD display. A loop control circuit within the LCD controller monitors the LCD driver voltage and generates the oscillator control signal to enable and disable the oscillator.
Another notable patent is "LCD controller with oscillator prebias control." This invention describes an LCD controller that includes a charge pump circuit for generating a charge voltage responsive to an external voltage and a clock signal. The oscillator generates the clock signal based on at least one bias voltage. The oscillator operates in both high power and low power modes. Bias circuitry applies the bias voltage to the oscillator from an external source in high power mode and from a source within the oscillator in low power mode. The LCD driver voltage circuit generates multiple LCD driver voltages for driving segments of an LCD display in response to the charge voltage.
Career Highlights
Jia-Hau Liu is currently employed at Silicon Laboratories Inc., where he continues to innovate in the field of LCD technology. His work has significantly impacted the efficiency and performance of LCD controllers.
Collaborations
He has collaborated with notable coworkers, including Alan Lee Westwick and Douglas S. Piasecki, contributing to various advancements in their field.
Conclusion
Jia-Hau Liu's contributions to LCD technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of display technology.
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