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SHANGHAI HEHUI PHOTOELECTRIC CO LTD

Overview
  • Total Patents
    26
About

SHANGHAI HEHUI PHOTOELECTRIC CO LTD has a total of 26 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, surface technology and coating and machines are ORION OLED CO LTD, ELIA TECH CO LTD and EVERDISPLAY OPTRONICS SHANGHAI LTD.

Patent filings in countries

World map showing SHANGHAI HEHUI PHOTOELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 26

Patent filings per year

Chart showing SHANGHAI HEHUI PHOTOELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Chuwang 3
#2 Zhu Qifeng 3
#3 Hong Fei 3
#4 Ye Yujun 2
#5 Guo Shijia 2
#6 Liu Taotao 2
#7 Zhang Weiteng 2
#8 Zhang Qiguo 2
#9 Huang Chengpei 2
#10 Su Baowei 2

Latest patents

Publication Filing date Title
CN103606635A Method for packaging electric excitation light-emitting component
CN103578928A Substrate drying method, substrate manufacturing method, and low-temperature heating drying device thereof
CN103526205A Wet etching device
CN103500727A Base plate support device
CN103531725A Electroluminescent component and packaging method thereof
CN103500801A Top blue organic light-emitting diode and manufacturing method for same
CN103531445A Technique for reducing depth-to-width ratio of LTPS (low temperature poly silicon) contact hole
CN103466302A Conveying roll device and clean machine air knife unit with conveying roll device
CN103496513A Photoresist inner bag
CN103366683A Pixel array, display and method for displaying image on display
CN103367653A Inversion type organic light emitting diode display device and manufacturing method thereof
CN103361734A Method for improving output efficiency of polycrystalline silicon
CN103280187A Pixel arraying displaying method and device and OLED displayer
CN103305812A Top electrode device
CN103311183A Panel of flat-panel display and cutting method of panel
CN103258966A Reflecting anode electrode for organic light-emitting device and manufacturing method thereof
CN103305798A Evaporation device and evaporation process using same
CN103246157A Dustproof film framework, optical mask and installation method thereof
CN103258971A Encapsulation method and device of display element
CN103236399A Method and device for improving polycrystalline silicon crystallization rate