US 12,393,004 B2
Color imaging based assay
Stephen Y. Chou, Princeton, NJ (US); Wei Ding, Princeton, NJ (US); Wu Chou, Basking Ridge, NJ (US); Ji Qi, Hillborough, NJ (US); Jun Tian, Belle Mead, NJ (US); Yuecheng Zhang, Yardley, PA (US); and Mingquan Wu, Princeton Junction, NJ (US)
Assigned to Essenlix Corporation, Monmouth Junction, NJ (US)
Filed by Essenlix Corporation, Monmouth Junction, NJ (US)
Filed on Jul. 6, 2023, as Appl. No. 18/218,698.
Application 18/218,698 is a continuation of application No. 17/266,475, granted, now 11,733,500, previously published as PCT/US2019/046830, filed on Aug. 16, 2019.
Claims priority of provisional application 62/764,888, filed on Aug. 16, 2018.
Prior Publication US 2023/0350176 A1, Nov. 2, 2023
Int. Cl. G02B 21/00 (2006.01); G01J 3/52 (2006.01); G06N 20/00 (2019.01); G06T 7/90 (2017.01); H04N 23/51 (2023.01); H04N 23/55 (2023.01)
CPC G02B 21/0008 (2013.01) [G01J 3/524 (2013.01); G02B 21/0032 (2013.01); G06N 20/00 (2019.01); G06T 7/90 (2017.01); H04N 23/51 (2023.01); H04N 23/55 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A device for illuminating and imaging an object, comprising:
a smartphone with a light source and a camera;
an imaging lens;
a first mirror;
a second mirror;
a flexible light guide;
a housing that (i) houses the lens, the first mirror, and the second mirror, and (ii) has a slot for holding an assay device, and
wherein:
the light guide receives light from a light source of a smartphone and redirects the received light towards the second mirror;
the second mirror reflects light received from the light guide and directs the light towards the first mirror;
the first mirror reflects light received from the second mirror and directs the light towards the lens;
the lens collects the light and sends into the camera; and
the slot places a portion of the assay device in the light path between the first mirror and the lens, wherein the light transmits through the assay device.