This inventor holds 1 USPTO granted patent. Top assignee: Lumileds Singapore Pte. Ltd.. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2025
Title: Innovations by Lisheng Shi in Multi-Junction Polychromic Display Devices
Introduction
Lisheng Shi is an accomplished inventor based in San Jose, CA (US). He has made significant contributions to the field of display technology, particularly through his innovative patent related to multi-junction polychromic display devices. His work focuses on enhancing lighting systems and methods for driving arrays of micro light-emitting diode (microLED) devices.
Latest Patents
Lisheng Shi holds a patent for a groundbreaking invention titled "Driving for multi-junction polychromic display devices." This patent describes a lighting system that incorporates vertically-stacked multi-color microLED devices capable of emitting light in various colors. The invention includes driving circuits and a ground switching circuit that are managed by processing circuitry. This setup allows for the sequential emission of colors from each microLED by independently driving the pn junctions. The driving circuits utilize multiplexers to manage current flow, while dimming is achieved through pulse width modulation (PWM) signals to adjust the duty cycle of the current applied to each channel.
Career Highlights
Lisheng Shi is currently employed at Lumileds Singapore Pte. Ltd., where he continues to innovate in the field of lighting technology. His expertise in microLED technology has positioned him as a key player in the development of advanced display systems.
Collaborations
Lisheng has collaborated with notable colleagues, including Daniel Herrera and Ronald Johannes Bonne. Their combined efforts contribute to the advancement of display technologies and the successful implementation of innovative solutions in the industry.
Conclusion
Lisheng Shi's contributions to the field of multi-junction polychromic display devices exemplify the impact of innovative thinking in technology. His patent and ongoing work at Lumileds Singapore Pte. Ltd. highlight the importance of advancements in lighting systems and display technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile