公开(公告)号：US20230336919A1

公开(公告)日：2023-10-19

申请号：US18028101

申请日：2020-09-24

Applicant: LG ELECTRONICS INC.

Inventor： Kihun KIM ,  Seunghark PAEK ,  Heuisik SEO ,  Jongwoo KIM

IPC: H04R7/12 ,  H04R9/06 ,  H04R31/00

CPC classification number: H04R7/127 ,  H04R9/06 ,  H04R31/00

Abstract: A speaker including a speaker enclosure including an upper surface, a lower surface and a side surface connecting the upper and lower surfaces; a diaphragm disposed in an inner accommodating space of the speaker enclosure and configured to generate sound waves by vibrating according to an electrical signal; a first phase plug spaced apart from the diaphragm; and a second phase plug spaced apart from the first phase plug and forming a guide path to guide the generated sound waves from the diaphragm to be emitted omnidirectionally from the side surface of the speaker enclosure, wherein a width of the guide path formed by the first phase plug and the second phase plug increases towards the side surface of the speaker enclosure.

公开(公告)号：US20240183525A1

公开(公告)日：2024-06-06

申请号：US18287633

申请日：2022-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Kihun KIM ,  Jongwoo KIM ,  Seunghark PAEK ,  Heuisik SEO

IPC: F21V33/00 ,  F21V7/00 ,  H04R1/02 ,  H04R1/34

CPC classification number: F21V33/0056 ,  F21V7/0083 ,  H04R1/028 ,  H04R1/345 ,  H04R2201/34

Abstract: A speaker assembly is disclosed. The speaker assembly includes: a speaker configured to provide sound in a first direction; a light-transmitting plate spaced apart from the speaker in the first direction and facing the speaker, the light-transmitting plate being configured to reflect the sound in a second direction that is different from the first direction; and an optical assembly disposed opposite the speaker with respect to the light-transmitting plate, the optical assembly being configured to provide light to the light-transmitting plate.