US 12,454,454 B2
Electronic device and method of fabricating the same
Hao Yan, Beijing (CN); Yulin Feng, Beijing (CN); Yue Li, Beijing (CN); and Chuncheng Che, Beijing (CN)
Assigned to Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 18/022,145
Filed by Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Mar. 31, 2022, PCT No. PCT/CN2022/084486
§ 371(c)(1), (2) Date Feb. 18, 2023,
PCT Pub. No. WO2023/184375, PCT Pub. Date Oct. 5, 2023.
Prior Publication US 2024/0270566 A1, Aug. 15, 2024
Int. Cl. B81B 7/00 (2006.01); B81C 99/00 (2010.01); H05K 1/03 (2006.01); H05K 1/11 (2006.01); H05K 1/18 (2006.01)
CPC B81B 7/0006 (2013.01) [B81C 99/00 (2013.01); H05K 1/0306 (2013.01); H05K 1/115 (2013.01); H05K 1/181 (2013.01); B81B 2201/014 (2013.01); B81B 2203/0118 (2013.01); H05K 2201/10053 (2013.01); H05K 2201/1006 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a substrate having a first surface and a second surface opposite to each other in a thickness direction of the substrate, wherein the substrate has a first connection via and a second connection via which penetrate through the substrate in the thickness direction of the substrate, and a first conductive pillar and a second conductive pillar are respectively in the first connection via and the second connection via;
a switch on the first surface of the substrate and comprising a first signal electrode and a second signal electrode, wherein the first signal electrode is electrically coupled to a first terminal of the first conductive pillar, and the second signal electrode is electrically coupled to a first terminal of the second conductive pillar; and
a filter on the second surface of the substrate, wherein an input terminal of the filter is electrically coupled to a second terminal of the second conductive pillar, and an output terminal of the filter is electrically coupled to a second conductive ball of the electronic device, and a second terminal of the first conductive pillar is electrically coupled to a first conductive ball of the electronic device,
wherein the switch further comprises a cantilever,
a first terminal of the cantilever is electrically coupled to the first signal electrode; a second terminal of the cantilever is electrically coupled to the second signal electrode in response to an on state of the switch; and the second terminal of the cantilever is disconnected from the second signal electrode in response to an off state of the switch, and
the electronic device further comprises a contact passivation layer on a first surface of the second signal electrode, wherein the contact passivation layer is below the cantilever; and the second terminal of the cantilever is in contact with the contact passivation layer in response to the on state of the switch.