US 12,083,489 B2
LED mixer using vibratory bowl feeder
Namgoo Cha, Gyeonggi-do (KR); Sang Min Kim, Gyeonggi-do (KR); Seongchan Park, Gyeonggi-do (KR); and Woogun Lee, Gyeonggi-do (KR)
Assigned to SEOUL VIOSYS CO., LTD., Ansan-si (KR)
Filed by SEOUL VIOSYS CO., LTD., Gyeonggi-do (KR)
Filed on Jun. 7, 2021, as Appl. No. 17/340,929.
Claims priority of provisional application 63/189,976, filed on May 18, 2021.
Claims priority of provisional application 63/036,697, filed on Jun. 9, 2020.
Prior Publication US 2021/0379546 A1, Dec. 9, 2021
Int. Cl. B01F 35/71 (2022.01); B01F 31/00 (2022.01); B01F 31/60 (2022.01)
CPC B01F 35/716 (2022.01) [B01F 31/60 (2022.01); B01F 31/70 (2022.01)] 18 Claims
OG exemplary drawing
 
1. An LED mixer, comprising:
a first bowl feeder including a first bowl that holds workpieces and a first driver generating vibration that is to be transmitted to the first bowl;
a second bowl feeder including a second bowl and a second driver generating vibration that is to be transmitted to the second bowl; and
a passage connecting the first bowl feeder and the second bowl feeder,
wherein the workpieces move through the passage from the first bowl feeder to the second bowl feeder;
wherein the workpieces are micro LEDs or mini LEDs, and
wherein the second bowl feeder includes a delivery guide configured to deliver the workpieces to a third bowl feeder and a receipt guide configured to receive the workpieces from the first bowl feeder, the receipt guide located at a first side of the second bowl feeder and positioned lower than the delivery guide located at a second side opposite to the first side of the second bowl such that a distance between the receipt guide and the second driver in a vertical direction is shorter than a distance between the delivery guide and the second driver in the vertical direction.