公开(公告)号：US11283233B2

公开(公告)日：2022-03-22

申请号：US16777707

申请日：2020-01-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hitoshi Sato ,  Kazuya Yamada ,  Hiroki Nagai

IPC: H01S5/02 ,  H01S5/028 ,  H01S5/22 ,  H01S5/343 ,  H01L33/00 ,  H01L33/16 ,  H01L33/44 ,  B28D5/00 ,  H01S5/042 ,  H01S5/32 ,  H01L21/3065 ,  H01L33/30

Abstract: A method of fabricating a semiconductor light-emitting device includes: (a) forming a semiconductor layer including a light-emitting layer on the first surface of a substrate; (b) forming a first trench and a second trench in the semiconductor layer, the first trench extending in a first direction that is parallel to a principal plane of the substrate, and the second trench being disposed inside and parallel to the first trench; (c) forming a third trench parallel to the first trench in the second surface of the substrate opposite to the first surface of the substrate; and (d) forming a semiconductor light-emitting device by dividing the substrate. In (d), an end of at least one divided side of the semiconductor light-emitting device is in the second trench. The first trench has a first width, and the second trench has a second width. The second width is less than the first width.

公开(公告)号：US10085079B2

公开(公告)日：2018-09-25

申请号：US15513061

申请日：2015-09-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hitoshi Sato ,  Kazuma Fujioka

IPC: H04R1/02 ,  H04R1/06 ,  H04R1/20 ,  H04R7/02 ,  H04R7/16

CPC classification number: H04R1/025 ,  H04R1/02 ,  H04R1/06 ,  H04R1/20 ,  H04R7/02 ,  H04R7/16 ,  H04R2201/021 ,  H04R2400/11

Abstract: A loudspeaker includes a diaphragm, a frame, an attachment unit, and a fixing member. The frame has a front surface, a mounting surface disposed on a side opposite to the front surface, and a wall surface disposed in a standing manner from the mounting surface. And the frame holds an outer peripheral edge of the diaphragm. The attachment unit includes: a base portion having a top surface facing the mounting surface, a bottom surface on a side opposite to the top surface, a first side surface facing the wall surface, and a second side surface disposed on a side opposite to the first side surface; a first base rib projecting toward the wall surface from the first side surface; a second base rib projecting from the second side surface and extending to the top surface; and a locking portion disposed on a side near the bottom surface of the base portion. The fixing member penetrates the frame from the front surface to the mounting surface and is fixed to the base portion by screwing.

公开(公告)号：US09888321B2

公开(公告)日：2018-02-06

申请号：US15075107

申请日：2016-03-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryo Kuribayashi ,  Kazutaka Kubo ,  Yohei Jin ,  Hitoshi Sato ,  Hiroyuki Morimoto

IPC: H04R1/02 ,  H04R1/20 ,  H04R7/14 ,  F21V7/04 ,  F21V7/22 ,  F21V33/00 ,  H04R7/12 ,  H04R9/02 ,  F21Y101/02 ,  F21Y105/00

CPC classification number: H04R7/14 ,  F21V7/048 ,  F21V7/22 ,  F21V33/0056 ,  F21Y2101/00 ,  F21Y2101/02 ,  F21Y2105/00 ,  F21Y2105/003 ,  H04R1/025 ,  H04R1/028 ,  H04R7/122 ,  H04R7/127 ,  H04R9/025 ,  H04R2201/028 ,  H04R2207/021 ,  H04R2307/025 ,  H04R2307/029 ,  H04R2499/11 ,  H04R2499/13

Abstract: A loudspeaker includes a frame, a magnetic circuit provided with a magnetic gap, a cone-shaped diaphragm, a voice coil, and an LED. The magnetic circuit is connected to a lower part of the frame. The diaphragm is connected to an outer periphery of the frame. A first end of the voice coil is connected to the diaphragm, and a second end thereof is inserted into the magnetic gap. The LED is provide on an upper part of the frame, and outputs light toward the center of the diaphragm. The LED is disposed such that the diaphragm reflects the light.