Electronic paper and manufacturing method thereof

• Main Authors: GUO LIXUE, ZHANG GUOHUI, LI DONGDONG, ZHANG YUTING, ZHU YINGGUANG, HU YONGLAN
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2023
• Subjects: DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

The invention discloses electronic paper and a manufacturing method thereof. The electronic paper comprises a first substrate and a second substrate, wherein the first substrate comprises a common electrode layer; the second substrate comprises a first electrode layer; the first electrophoresis layer is arranged between the first substrate and the second substrate; a first microcup structure layer of the first electrophoresis layer comprises a plurality of first sub-pixel grooves, and electrophoresis liquid is arranged in the first sub-pixel grooves; the third substrate comprises a second electrode layer; the second electrophoresis layer is arranged between the first substrate and the third substrate; a second microcup structure layer of the second electrophoresis layer comprises a plurality of second sub-pixel grooves, and electrophoresis liquid is arranged in each second sub-pixel groove; the projection of the first sub-pixel groove on the second electrophoresis layer is overlapped with one second sub-pixel