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CHANG KUANGYAO

Overview
  • Total Patents
    22
About

CHANG KUANGYAO has a total of 22 patent applications. Its first patent ever was published in 2011. It filed its patents most often in United States. Its main competitors in its focus markets optics, audio-visual technology and semiconductors are YOUNG LIGHTING TECHNOLOGY CORP, SIFOTONICS TECH CO LTD and LAMDA GUARD TECHNOLOGIES LTD.

Patent filings in countries

World map showing CHANG KUANGYAOs patent filings in countries
# Country Total Patents
#1 United States 22

Patent filings per year

Chart showing CHANG KUANGYAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Kuangyao 22
#2 Hu Chechang 4
#3 Fang Kuojun 3
#4 Zhang Jing 2
#5 Huang Jianfa 2
#6 Xiong Chong 2
#7 Zheng Weiwei 2
#8 He Hu 2
#9 Su Zanjia 1
#10 Fan Wei 1

Latest patents

Publication Filing date Title
US2014056555A1 Light guide plate and manufacturing method thereof
US2014029304A1 Side-edge backlight module having non-uniformly sized backlight sections and design method thereof
US2014002513A1 Edge-lit backlight module and scanning method thereof
US2014002769A1 Side-edge non-uniform duty ratio backlight driving method
US2014003085A1 Asymmetric prism structure, light guide plate, backlight module, and application
US2013279192A1 Prism light guide plate and corresponding backlight module
US2013279191A1 Light guide plate and corresponding backlight module
US2013271952A1 LED Backlight Source
US2013256721A1 LED light with electrostatic protection and backlight module using the LED light
US2013258227A1 Liquid crystal display device
US2013265524A1 Backlight module and liquid crystal display
US2013083269A1 Compound Optical Diaphragm, Backlight Module and Liquid Crystal Display Device
US2013021824A1 Light guide plate and backlight module
US2012256214A1 LED package structure
US2012256213A1 Led structure and manufacturing method thereof