CPC Subgroup
H05B 45/10 Controlling the intensity of the light
Full Title
Circuit arrangements for operating light-emitting diodes [LED] > Controlling the intensity of the light
Filing statistics
CPC H05B 45/10 belongs to the parent subclass H05B, which recorded 230,577 patent applications worldwide between 2013 and 2023. Annual filings declined from 18,581 in 2013 to 16,528 in 2023 (-11%), peaking at 25,315 applications in 2017. The most active applicants in class H05 are SAMSUNG ELECTRONICS COMPANY (9,981 applications), SAMSUNG DISPLAY (5,041 applications) and LG ELECTRONICS (4,742 applications).
Source: EPO PATSTAT, worldwide filings
3 direct subcodes
Child Classifications
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- H05B 45/12 using optical feedback
- H05B 45/14 using electrical feedback from LEDs or from LED modules
- H05B 45/18 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