US 11,950,687 B2
Portable hair styling device with light-emitting diodes embedded in the bristles or teeth
David B. Kosecoff, San Francisco, CA (US)
Assigned to L'Oreal, Paris (FR)
Filed by L'Oreal, Paris (FR)
Filed on Sep. 28, 2020, as Appl. No. 17/035,026.
Prior Publication US 2022/0095782 A1, Mar. 31, 2022
Int. Cl. A46B 15/00 (2006.01); A45D 24/22 (2006.01); A46B 5/00 (2006.01); A46B 11/00 (2006.01); A61M 11/00 (2006.01); A61M 35/00 (2006.01); A61N 5/06 (2006.01)
CPC A46B 15/0036 (2013.01) [A45D 24/22 (2013.01); A46B 5/0054 (2013.01); A46B 11/0006 (2013.01); A46B 11/002 (2013.01); A46B 11/0062 (2013.01); A46B 11/0065 (2013.01); A46B 11/0072 (2013.01); A61M 11/005 (2013.01); A61N 5/0616 (2013.01); A61M 35/003 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A hair and scalp treatment device, comprising:
a dispenser connected to a cartridge, wherein the cartridge comprises a formulation;
a plurality of tips on the device, wherein the plurality of tips include at least one terminal to measure impedance, and wherein the tips have at least one opening to dispense the formulation and at least one LED that emits light in the visible color spectrum, wherein the at least one LED is located at the end of the tips;
a controller configured to individually turn on and off the LEDs from the plurality of tips and to dispense the formulation from the plurality of the tips having an impedance measurement indicating contact with the skin; and
a handle and a section with a brush head comprising the plurality of tips, wherein the end of the handle includes a diffuser material visible on the exterior of the handle.