CPC Subgroup
F21S 41/141 Light emitting diodes [LED]
Full Title
Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps (reversing lights F21S43/00) > characterised by the light source > characterised by the type of light source > Light emitting diodes [LED]
4 direct subcodes
Child Classifications
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- F21S 41/143 the main emission direction of the LED being parallel to the optical axis of the illuminating device
- F21S 41/147 the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S 41/151 arranged in one or more lines
- F21S 41/155 Surface emitters, e.g. organic light emitting diodes [OLED]
Top Applicants
Top 10 applicants by patent filingsfor class F21, 2013–2023, worldwide · Source: EPO PATSTAT
- VALEO VISION FR 2,820
- SIGNIFY HOLDING NL 2,374
- KOITO MANUFACTURING COMPANY JP 1,890
- KOITO MANUFACTURING COMPANY 1,722
- LG INNOTEK COMPANY KR 1,624
- OSRAM DE 1,507
- LG ELECTRONICS KR 1,458
- PANASONIC INTELLECTUAL PROPERTY JP 1,433
- ZUMTOBEL LIGHTING AT 1,349
- PANASONIC INTELLECTUAL PROPERTY 1,275