US 12,225,660 B2
Circuit board assembly for blocking unwanted light, camera module, and electronic device having the same
Ying-Lin Chen, New Taipei (TW); Chia-Weng Hsu, New Taipei (TW); Ping-Liang Eng, New Taipei (TW); and Feng-Chang Chien, New Taipei (TW)
Assigned to TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD., Shenzhen (CN)
Filed by TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD., Shenzhen (CN)
Filed on Aug. 9, 2022, as Appl. No. 17/883,861.
Claims priority of application No. 202210656626.2 (CN), filed on Jun. 10, 2022.
Prior Publication US 2023/0413426 A1, Dec. 21, 2023
Int. Cl. H05K 5/00 (2006.01); G02B 5/00 (2006.01); H04N 23/55 (2023.01); H05K 1/02 (2006.01); H05K 1/18 (2006.01); H05K 3/46 (2006.01)
CPC H05K 1/0274 (2013.01) [G02B 5/003 (2013.01); H04N 23/55 (2023.01); H05K 1/0277 (2013.01); H05K 1/0298 (2013.01); H05K 1/183 (2013.01); H05K 3/4691 (2013.01); H05K 2201/1009 (2013.01); H05K 2201/10151 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A circuit board assembly comprising:
a circuit board defining a hole;
a sensor disposed in the hole, an inner sidewall of the hole and an outer periphery of the sensor cooperatively defining a gap; and
an optical blocking body disposed in the gap;
wherein the circuit board comprises a base board and a photomask, the photomask is arranged on the base board, the base board comprises a plurality of conductive circuit layers and a plurality of dielectric layers, the plurality of conductive circuit layers and the plurality of dielectric layers are alternately arranged, the sensor is electrically connected to the plurality of the conductive layers, the hole penetrates the photomask, the plurality of dielectric layers, and the plurality of conductive circuit layers, the optical blocking body, the photomask, and the plurality of dielectric layers are configured to block light from an ambient environment;
wherein the base board comprises a first surface, a second surface, and a plurality of side surfaces, the plurality of side surfaces connects the first surface and the second surface, the photomask is arranged on each of the first surface, the second surface, and the plurality of side surfaces.