US 12,076,989 B2
Liquid discharge head and recording device
Yasuhiko Fukuda, Kirishima (JP); and Takayuki Yamamoto, Kirishima (JP)
Assigned to KYOCERA CORPORATION, Kyoto (JP)
Appl. No. 17/764,199
Filed by KYOCERA CORPORATION, Kyoto (JP)
PCT Filed Sep. 16, 2020, PCT No. PCT/JP2020/035155
§ 371(c)(1), (2) Date Mar. 28, 2022,
PCT Pub. No. WO2021/065524, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 2019-178670 (JP), filed on Sep. 30, 2019.
Prior Publication US 2022/0332115 A1, Oct. 20, 2022
Int. Cl. B41J 2/14 (2006.01); B41J 2/045 (2006.01)
CPC B41J 2/14209 (2013.01) [B41J 2/04541 (2013.01); B41J 2002/14225 (2013.01); B41J 2002/14362 (2013.01); B41J 2002/14491 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A liquid discharge head, comprising:
a head body comprising a discharge hole configured to discharge a liquid;
a plurality of driver ICs configured to control drive of the head body;
a wiring board comprising a plurality of connectors; and
a flexible substrate at which the plurality of driver ICs is mounted, the flexible substrate being electrically connected to the head body and comprising:
a plurality of protruding portions configured to protrude in a same direction, each of the plurality of protruding portions including a tip portion to be inserted into a corresponding one of the plurality of connectors; and
a slit formed between adjacent protruding portions of the plurality of protruding portions and extending up to a region between adjacent driver ICs of the plurality of driver ICs, wherein
the flexible substrate further comprises a reinforcing plate that is disposed at at least one of
(i) a periphery of a portion where the slit extends, or
(ii) a periphery of a tip portion of the slit, and
the flexible substrate further comprises a wiring layer which is not provided at a portion where the reinforcing plate is provided.