US 11,656,523 B2
Reflective electrophoretic displays including photo-luminescent material and color filter arrays
Kenneth R. Crounse, Somerville, MA (US); Stephen J. Telfer, Arlington, MA (US); and Dirk Hertel, Quincy, MA (US)
Assigned to E Ink Corporation, Billerica, MA (US)
Filed by E INK CORPORATION, Billerica, MA (US)
Filed on Sep. 24, 2021, as Appl. No. 17/461,078.
Application 17/461,078 is a continuation of application No. 16/281,530, filed on Feb. 21, 2019, granted, now 11,143,929.
Claims priority of provisional application 62/640,813, filed on Mar. 9, 2018.
Prior Publication US 2022/0004073 A1, Jan. 6, 2022
Int. Cl. G02F 1/167 (2019.01); G02F 1/1676 (2019.01); G02F 1/1675 (2019.01)
CPC G02F 1/167 (2013.01) [G02F 1/1676 (2019.01); G02F 2001/1678 (2013.01); G02F 2203/02 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An electro-optic display comprising
a layer of light-transmissive conductive material,
a substrate,
a layer of an electro-optic medium disposed between the layer of light-transmissive conductive material and the substrate, the electro-optic medium comprising a photo-luminescent material, and
a color filter array,
wherein the photo-luminescent material is excited by radiation at a first wavelength and emits radiation at a second wavelength, the second wavelength being shorter than the first wavelength.