An airborne-charge receiving layer of a passive electronic paper assembly comprises a first side and opposite second side to be in contact with a charge-responsive media layer. The airborne-charge receiving layer comprises a first material to minimize triboelectric charge transfer at an external surface of the first side of the airborne-charge receiving layer.

An airborne-charge receiving layer of a passive electronic paper assembly comprises a first side and opposite second side to be in contact with a charge-responsive media layer. The airborne-charge receiving layer comprises a first material to minimize triboelectric charge transfer at an external surface of the first side of the airborne-charge receiving layer.

An electrophoretic display medium includes a front and a rear electrode, at least one of the front and rear electrodes being transparent, and an encapsulated dispersion fluid containing a plurality of pigments positioned between the front and rear electrode. The plurality of pigments includes a first and a second type of organic pigment particle. The first type of organic pigment particle has a first color and a first charge polarity. The second type of organic pigment particle has a second color different than the first color and a second charge polarity the same as the first charge polarity. At least one of the first and second types of organic pigment particle includes a silica coating and a polymeric stabilizer covalently bonded to the silica coating.

An electrophoretic display medium includes a front and a rear electrode, at least one of the front and rear electrodes being transparent, and an encapsulated dispersion fluid containing a plurality of pigments positioned between the front and rear electrode. The plurality of pigments includes a first and a second type of organic pigment particle. The first type of organic pigment particle has a first color and a first charge polarity. The second type of organic pigment particle has a second color different than the first color and a second charge polarity the same as the first charge polarity. At least one of the first and second types of organic pigment particle includes a silica coating and a polymeric stabilizer covalently bonded to the silica coating.

This disclosure provides an electrophoretic display system including a first electrode disposed on a substrate and a three-dimensional (3D) carbon-based structure configured to guide a migration of electrically charged electrophoretic ink particles dispersed therein that are configured to be responsive to application of a voltage to the first electrode. The 3D carbon-based structure includes a plurality of 3D aggregates defined by a morphology of graphene nanoplatelets orthogonally fused together and cross-linked by a polymer; and, a plurality of channels interspersed throughout the 3D carbon-based structure defined by the morphology. The plurality of channels includes a plurality of inter-particle pathways and a plurality of intra-particle pathways. Each inter-particle pathway can include a smaller dimension than each inter-particle pathway. A second electrode is disposed on the 3D carbon-based structure. Each 3D aggregate can include any one or more of graphene, carbon nano-onions, carbon nanoplatelets, or carbon nanotubes.

An electrophoretic display including a passive matrix formed of row and column electrodes with an electrophoretic medium including two types of differently-colored charged particles disposed between the row and column electrodes. When the device is driven to a first color state by providing a voltage differential of 15V, the color state is stable for voltage differentials between 15V and 5V. The display switches to the second color state when a voltage differential of 15V is provided.

Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The electro-optic assembly comprises a hybrid adhesive layer comprising two or more adhesive materials including a polyurethane adhesive material and a polyacrylate adhesive material. The polyurethane adhesive material includes an end-capping cyclic carbonate. In some embodiments, the adhesive layer is formed by curing the two adhesive materials under two different sets of conditions, comprising two or more curing steps.

The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics, and provides for displaying at a viewing surface not only the colors of the three types of particles but also the colors of binary mixtures thereof.

A reflective display device includes a thin-film transistor (TFT) array substrate, a front panel laminate (FPL), a front protection sheet, a back protection sheet, a light blocking layer, and a light source. The front panel laminate is located on the TFT array substrate, and has a transparent conductive layer and a display medium layer. The display medium layer is located between the transparent conductive layer and the TFT array substrate. The front protection sheet is located on the front panel laminate. The back protection sheet is located below the TFT array substrate. The light blocking layer at least covers a lateral surface of the back protection sheet. The light source faces toward a lateral surface of the front panel laminate, a lateral surface of the TFT array substrate, and the lateral surface of the back protection sheet.

A peeping prevention structure, a display device and a display method are provided. The peeping prevention structure includes: a first electrode and a second electrode opposite to each other; a plurality of transparent columnar cavities between the first electrode and the second electrode, wherein a plurality of opening regions are defined between the plurality of transparent columnar cavities, and each of the plurality of transparent columnar cavities is filled with charged light-absorbing particles; wherein, the charged light-absorbing particles are configured to, under a control of an electric field between the first electrode and the second electrode, be uniformly diffused in the transparent columnar cavity or be concentrated at an end of the transparent columnar cavity.