US 11,832,699 B2
Diffuser and hair dryer having a diffuser
Kyoungtae Kim, Seoul (KR); Hyunchul Kim, Seoul (KR); Yunhee Ku, Seoul (KR); Rayoung Park, Seoul (KR); and Dongwon Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Oct. 22, 2020, as Appl. No. 17/077,927.
Claims priority of application No. 10-2020-0044039 (KR), filed on Apr. 10, 2020.
Prior Publication US 2021/0315355 A1, Oct. 14, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A45D 20/12 (2006.01); A46B 9/02 (2006.01)
CPC A45D 20/122 (2013.01) [A46B 9/023 (2013.01); A45D 2020/128 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A diffuser comprising:
a case having a front side and a rear side, the rear side configured to be removably coupled to a hair dryer;
an inlet provided at the rear side of the case to receive fluid discharged from the hair dryer;
a circuit board provided inside the case and having at least one light emitting device to irradiate light toward the front side of the case; and
a light diffusion frame provided in front of the light emitting device and made of a light transmissive material, the light diffusion frame being configured to diffuse light transmitted through the light diffusion frame.