US 11,988,864 B2
Systems and methods for lighting an e-paper display
Benjamin Harrison, Los Angeles, CA (US); and Paul Kenneth Pickard, Los Angeles, CA (US)
Assigned to KORRUS, INC., Los Angeles, CA (US)
Filed by KORRUS, INC., Los Angeles, CA (US)
Filed on Jul. 7, 2022, as Appl. No. 17/859,073.
Application 17/859,073 is a continuation of application No. PCT/US2021/012738, filed on Jan. 8, 2021.
Claims priority of provisional application 62/958,574, filed on Jan. 8, 2020.
Prior Publication US 2022/0334305 A1, Oct. 20, 2022
Int. Cl. F21V 8/00 (2006.01); G02F 1/16757 (2019.01)
CPC G02B 6/0068 (2013.01) [G02F 1/16757 (2019.01)] 9 Claims
OG exemplary drawing
 
1. A system, comprising:
a first channel comprising two different first light sources configured to emit a first combined light having a first equivalent melanopic lux (EML);
a second channel two different second light sources configured to emit a second combined light having a second EML, wherein said second EML is greater than said first EML;
circuitry for independently driving said two different first light sources and said two different second light sources such that said first combined light has no more than two peak wavelengths, and said second combined light has no more than two peak wavelengths;
a display;
a light guide to receive said first or second combined light;
wherein said light guide is configured to receive and reflect said first or second combined light toward said display, said light guide being in front of said display.