P

Inventor

CHUANG KAI-CHENG

TW50 patents
⚠️ This page may combine multiple inventors who share the name “CHUANG KAI-CHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNITY OPTO TECHNOLOGY CO LTD

19 patents
US8941328B2Jan 27, 2015

Variable power dimming control circuit

UNITY OPTO TECHNOLOGY CO LTD47 citations93
US8941323B1Jan 27, 2015

Ceiling lamp adopting non-separating driver circuit

UNITY OPTO TECHNOLOGY CO LTD23 citations92
US9591399B1Mar 7, 2017

Automatically controlled directional speaker, and lamp thereof

UNITY OPTO TECHNOLOGY CO LTD8 citations84
US8710745B1Apr 29, 2014

LED drive circuit

UNITY OPTO TECHNOLOGY CO LTD10 citations84
US9572221B2Feb 14, 2017

Auto-sensing dimming lamp

UNITY OPTO TECHNOLOGY CO LTD7 citations83
US9072149B2Jun 30, 2015

LED driving device with open circuit protection and color temperature and brightness adjustment

UNITY OPTO TECHNOLOGY CO LTD18 citations83
USD794866SAug 15, 2017

LED bulb lamp cover

UNITY OPTO TECHNOLOGY CO LTD10 citations81
US10645781B1May 5, 2020

High-voltage linear drive and memory dimming LED lighting device

UNITY OPTO TECHNOLOGY CO LTD3 citations73
US9674908B1Jun 6, 2017

Secondary-side bucking and current-stabilizing flyback power converter

UNITY OPTO TECHNOLOGY CO LTD5 citations72
US9544952B2Jan 10, 2017

Linear dimming LED driver circuit capable of adjusting color temperature

UNITY OPTO TECHNOLOGY CO LTD2 citations72
US9167645B1Oct 20, 2015

Driver circuit for improving LED flickers

UNITY OPTO TECHNOLOGY CO LTD5 citations72
US10278255B1Apr 30, 2019

Light-emitting device with digital control of color temperature modulation and application thereof

UNITY OPTO TECHNOLOGY CO LTD3 citations65
US9198243B2Nov 24, 2015

LED driver circuit for supplying TRIAC holding current by using controllable current source

UNITY OPTO TECHNOLOGY CO LTD3 citations63
US9854630B1Dec 26, 2017

Flicker-free dimming circuit for non-point light source

UNITY OPTO TECHNOLOGY CO LTD1 citations51
US9544963B2Jan 10, 2017

Self-excited TRIAC dimming circuit

UNITY OPTO TECHNOLOGY CO LTD1 citations51
US9418523B1Aug 16, 2016

Intelligent wireless doorbell alarm system

UNITY OPTO TECHNOLOGY CO LTD1 citations51
US8766560B1Jul 1, 2014

Adaptive light emitting diode dimming driving circuit

UNITY OPTO TECHNOLOGY CO LTD1 citations51
US9485824B2Nov 1, 2016

Purely resistive dimming circuit

UNITY OPTO TECHNOLOGY CO LTD1 citations48
US10925138B2Feb 16, 2021

Flicker-free linear LED drive circuit

UNITY OPTO TECHNOLOGY CO LTD0 citations47

E INK HOLDINGS INC

9 patents

CHUANG KAI-CHENG

7 patents

WANG TZU-MING

5 patents

HSIAO PO-WEN

4 patents

LIN CHIN-WEN

1 patent

CHEN LEE-TYNG

1 patent

WU CHIH-HSIEN

1 patent

WANG YI-CHING

1 patent

TSAI YAO-CHOU

1 patent

CHANG YUNG-SHENG

1 patent