CPC Subgroup
H05B 45/20 Controlling the colour of the light
Full Title
Circuit arrangements for operating light-emitting diodes [LED] > Controlling the colour of the light
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H05B 45/22 using optical feedback
- H05B 45/24 using electrical feedback from LEDs or from LED modules
- H05B 45/28 using temperature feedback
Top Applicants
Top 10 applicants by patent filingsfor class H05, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 9,981
- SAMSUNG DISPLAY KR 5,041
- LG ELECTRONICS KR 4,742
- PHILIP MORRIS PRODUCTS CH 4,411
- PANASONIC INTELLECTUAL PROPERTY JP 3,915
- PANASONIC INTELLECTUAL PROPERTY 3,471
- SAMSUNG ELECTRO-MECHANICS COMPANY KR 3,210
- MURATA MANUFACTURING COMPANY JP 3,191
- FUJI JP 2,987
- SIGNIFY HOLDING NL 2,907