Kai-Cheng Chuang

This inventor holds 20 USPTO granted patents, primarily in LED Lighting Technology. Top assignee: Unity Opto Technology Co., Ltd.. Active years: 2014-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kai-Cheng Chuang. Retrieved from https://idiyas.com/inventor/kai-cheng-chuang-dra9gi4z

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 20

% Patents Active = 75.0

Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 108(Granted Patents)

Company Filing History:

20 out of 70

Unity Opto Technology Co., Ltd.

patents

Years Active: 2014-2021

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Areas of Expertise:

LED Lighting

Dimming Circuit

Color Temperature

Driver Circuit

Flicker-free

Power Converter

Directional Speaker

Adaptive Dimming

Wireless Alarm

Linear Drive

Intelligent Control

Current Stabilization

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10925138 - Flicker-free linear LED drive circuit (2021-02-16),

2. 10645781 - High-voltage linear drive and memory dimming LED lighting device (2020-05-05),

3. 10278255 - Light-emitting device with digital control of color temperature modulation and application thereof (2019-04-30),

4. 9854630 - Flicker-free dimming circuit for non-point light source (2017-12-26),

5. D794866 - LED bulb lamp cover (2017-08-15),

6. 9674908 - Secondary-side bucking and current-stabilizing flyback power converter (2017-06-06),

7. 9591399 - Automatically controlled directional speaker, and lamp thereof (2017-03-07),

8. 9572221 - Auto-sensing dimming lamp (2017-02-14),

9. 9544963 - Self-excited TRIAC dimming circuit (2017-01-10),

10. 9544952 - Linear dimming LED driver circuit capable of adjusting color temperature (2017-01-10),

11. 9485824 - Purely resistive dimming circuit (2016-11-01),

12. 9418523 - Intelligent wireless doorbell alarm system (2016-08-16),

13. 9198243 - LED driver circuit for supplying TRIAC holding current by using controllable current source (2015-11-24),

14. 9167645 - Driver circuit for improving LED flickers (2015-10-20),

15. 9072149 - LED driving device with open circuit protection and color temperature and brightness adjustment (2015-06-30),

Title: Innovator Spotlight: Kai-Cheng Chuang

Introduction: Kai-Cheng Chuang, based in New Taipei, Taiwan, is an accomplished inventor with a remarkable portfolio of 20 patents. His work primarily focuses on advancements in LED drive circuits and lighting devices, showcasing his dedication to innovation in the field of electronics.

Latest Patents: Among his latest contributions are two significant patents: the Flicker-Free Linear LED Drive Circuit and the High-Voltage Linear Drive and Memory Dimming LED Lighting Device. The Flicker-Free Linear LED Drive Circuit transforms the input voltage from an external power supply into an output current for LEDs by utilizing a measuring module, regulating module, and rectifier module. Notably, it measures the phase angle of voltage after full-wave rectification, allowing for optimized performance.

The High-Voltage Linear Drive and Memory Dimming LED Lighting Device features a high-voltage linear constant current circuit managed by a sophisticated control integrated circuit (IC). This IC incorporates a voltage regulator, a switching module comprising multiple electronic switches, and a memory module, all contributing to an efficient and intelligent LED lighting solution.

Career Highlights: Kai-Cheng Chuang is currently associated with Unity Opto Technology Co., Ltd., a forward-thinking company in the optoelectronic field. His expertise has played a crucial role in the development of various technological advancements, particularly in the realm of LED lighting solutions.

Collaborations: Throughout his career, Chuang has worked alongside esteemed colleagues, including Chih-Hsien Wu and Wei Chang. These collaborations have fostered a dynamic environment for innovation, allowing for the exchange of ideas and the development of cutting-edge technologies.

Conclusion: Kai-Cheng Chuang exemplifies the spirit of innovation through his extensive contributions to the field of LED technology. His patents not only represent personal achievements but also pave the way for future advancements in electronic lighting solutions, reflecting the ongoing pursuit of excellence at Unity Opto Technology Co., Ltd.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]