Abstract: The present disclosure provides a matte-type electromagnetic interference shielding film including bio-based components, which includes a bio-based insulating layer, a bio-based adhesive layer, a metal layer, and a bio-based electrically conductive adhesive layer. The matte-type electromagnetic interference shielding film including the bio-based component of the present disclosure has a matte appearance and high bio-based content and has the advantages of good surface insulation, high surface hardness, good chemical resistance, high shielding performance, good adhesion strength, low transmission loss, high transmission quality, good operability, high heat resistance, and the inner electrically conductive adhesive layer with long shelf life and storage life. The present disclosure further provides a preparation method thereof.

Abstract: Provided is a multi-layered anisotropic conductive adhesive including an upper conductive adhesive layer, a conductive fabric layer with two sides and a lower conductive adhesive layer, wherein one side of the conductive fabric layer is plated with metal. In the application of a flexible printed circuit, reinforced parts, formed by laminating multi-layered anisotropic conductive adhesive with steel or polyimide-type stiffener, can effectively prevent the deformation of installed parts due to warping, and ensure the good hole filling, good direct grounding effect, and good shielding performance. Therefore, the multi-layered anisotropic conductive adhesive has good electrical properties, good adhesive strength, better tin soldering, reliability and flame resistant. Also provided is a method of producing the multi-layered anisotropic conductive adhesive.

Abstract: An electromagnetic interference shielding film includes an insulation layer, a first adhesive layer, a porous metal layer and a conductive adhesive layer including a plurality of conductive particles. The first adhesive layer is located between the insulation layer and the porous metal layer, and the porous metal layer is formed on the first adhesive layer, and making the first adhesive layer locate between the porous metal layer and the insulation layer. The conductive adhesive layer is located on the porous metal layer so that the porous metal layer is located between the first adhesive layer and the conductive adhesive layer. The present invention further provides a preparation method thereof.

Abstract: A viewing angle switchable display apparatus including a display panel, an electrically controlled viewing angle switching device, an electrically controlled light scattering switching device, and a backlight module is provided. The electrically controlled viewing angle switching device includes two first transparent substrates, two first transparent conductive layers, a liquid crystal layer, and a first polarizer located on a side of the electrically controlled viewing angle switching device which is far away from the display panel. The liquid crystal layer includes liquid crystal molecules, and optical axes of the liquid crystal molecules are parallel or perpendicular to a transmission axis of the first polarizer. The electrically controlled light scattering switching device is located between the display panel and the backlight module and includes two second transparent substrates, two second transparent conductive layers, and an electronically controlled polymer material layer.

Abstract: A colored thin covering film is provided, including an upper detached layer, a colored ink film, a low dielectric glue layer, and a lower detached layer. The color ink layer is formed between the upper detached layer and the low dielectric glue layer. The low dielectric glue layer is formed between the colored ink layer and the lower detached layer. The thickness of the colored ink layer is between 1 to 10 ?m, and the thickness of the low dielectric glue layer is between 3 to 25 ?m, such that a total thickness of the colored ink layer and the low dielectric glue layer is allowed to be between 4 to 35 ?m. The colored thin covering film has an extremely low dielectric constant and loss, extremely low ion migration, good adhesion, heat dissipation, high flexibility, and low resilience, and can be processed in a low temperature.

Abstract: Provided is a multi-layered anisotropic conductive adhesive including an upper conductive adhesive layer, a conductive fabric layer with two sides and a lower conductive adhesive layer, wherein one side of the conductive fabric layer is plated with metal. In the application of a flexible printed circuit, reinforced parts, formed by laminating multi-layered anisotropic conductive adhesive with steel or polyimide-type stiffener, can effectively prevent the deformation of installed parts due to warping, and ensure the good hole filling, good direct grounding effect, and good shielding performance Therefore, the multi-layered anisotropic conductive adhesive has good electrical properties, good adhesive strength, better tin soldering, reliability and flame resistant. Also provided is a method of producing the multi-layered anisotropic conductive adhesive.

Abstract: The present disclosure provides a multi-layered anisotropic conductive adhesive including an upper conductive adhesive layer, a conductive fabric layer with two sides and a lower conductive adhesive layer, wherein one side of the conductive fabric layer is plated with metal, and the total thickness of the multi-layered anisotropic conductive adhesive is 45 to 100 ?m. In the application of a flexible printed circuit, reinforced parts, formed by laminating multi-layered anisotropic conductive adhesive with steel or polyimide-type stiffener, can effectively prevent the deformation of installed parts due to warping, and ensure the good hole filling, good direct grounding effect, and good shielding performance. Therefore, the multi-layered anisotropic conductive adhesive of the present disclosure has good electrical properties, good adhesive strength, better tin soldering, reliability and flame resistant. The disclosure further provides a method of producing the multi-layered anisotropic conductive adhesive.

Abstract: A light source module including a first backlight module, a second backlight module, a turning film, and a first absorptive polarizer film is provided. The first backlight module has a first side and a second side. The first backlight module includes a first light guide plate (LGP) having a first light incident surface and a first light source disposed beside the first light incident surface. The second backlight module is arranged at the second side. The second backlight module includes a second LGP having a second light incident surface and a second light source disposed beside the second light incident surface. The turning film is arranged at the first side. The turning film includes a plurality of reverse prisms. The reverse prisms extend along an extension direction. The first absorptive polarizer film is disposed between the first backlight module and the second backlight module. A display device is also provided.

Abstract: The present disclosure provides a cover film, including a conductive adhesive layer, an electromagnetic shielding layer formed on the conductive adhesive layer, and an insulating layer formed on the electromagnetic shielding layer. The electromagnetic shielding layer has a thickness of from 0.01 to 25 micrometers, such that the cover film can shield electromagnetic interference through the thinner interposed electromagnetic shielding layer.

Abstract: The present disclosure provides a multi-layered anisotropic conductive adhesive including an upper conductive adhesive layer, a conductive fabric layer with two sides and a lower conductive adhesive layer, wherein one side of the conductive fabric layer is plated with metal, and the total thickness of the multi-layered anisotropic conductive adhesive is 40 to 60 ?m. In the application of a flexible printed circuit, reinforced parts, formed by laminating multi-layered anisotropic conductive adhesive with steel or polyimide-type stiffener, can effectively prevent the deformation of installed parts due to warping, and ensure the good hole filling, good direct grounding effect, and good shielding performance. Therefore, the multi-layered anisotropic conductive adhesive of the present disclosure has good electrical properties, good adhesive strength, better tin soldering, reliability and flame resistant. The disclosure further provides a method of producing the multi-layered anisotropic conductive adhesive.

Abstract: The present disclosure provides a cover film, including a conductive adhesive layer, an electromagnetic shielding layer formed on the conductive adhesive layer, and an insulating layer formed on the electromagnetic shielding layer. The electromagnetic shielding layer has a thickness of from 0.01 to 25 micrometers, such that the cover film can shield electromagnetic interference through the thinner interposed electromagnetic shielding layer.

Abstract: A colored thin covering film is provided, including an upper detached layer, a colored ink film, a low dielectric glue layer, and a lower detached layer. The color ink layer is formed between the upper detached layer and the low dielectric glue layer. The low dielectric glue layer is formed between the colored ink layer and the lower detached layer. The thickness of the colored ink layer is between 1 to 10 ?m, and the thickness of the low dielectric glue layer is between 3 to 25 ?m, such that a total thickness of the colored ink layer and the low dielectric glue layer is allowed to be between 4 to 35 ?m. The colored thin covering film has an extremely low dielectric constant and loss, extremely low ion migration, good adhesion, heat dissipation, high flexibility, and low resilience, and can be processed in a low temperature.

Abstract: A backlight module includes a first surface light source assembly, a second surface light source assembly disposed above the first surface light source assembly, a first optical film disposed above the second surface light source assembly and including a plurality of prisms arranged along a first direction, and a light filter element disposed between the first and second surface light source assemblies. Both of the first surface light source assembly and the second surface light source assembly include a light emitting unit and a light guide plate. Each prism has a tip end facing the second surface light source assembly. The light filter element is configured to allow an incident light ray within a predetermined range of incident angle to pass therethrough. The backlight module can be switched between a narrow viewing angle mode and a wide viewing angle mode. Related driving method and display apparatus are also provided.

Abstract: A viewing angle switchable display apparatus including a display panel, an electrically controlled viewing angle switching device, an electrically controlled light scattering switching device, and a backlight module is provided. The electrically controlled viewing angle switching device includes two first transparent substrates, two first transparent conductive layers, a liquid crystal layer, and a first polarizer located on a side of the electrically controlled viewing angle switching device which is far away from the display panel. The liquid crystal layer includes liquid crystal molecules, and optical axes of the liquid crystal molecules are parallel or perpendicular to a transmission axis of the first polarizer. The electrically controlled light scattering switching device is located between the display panel and the backlight module and includes two second transparent substrates, two second transparent conductive layers, and an electronically controlled polymer material layer.

Abstract: A backlight module includes a light guide plate having a bottom surface, a light emitting surface, a first light incident surface, and microstructures. Each microstructure recesses into or protrudes from the bottom surface and has a first and a second surfaces. The first and the second surfaces of at least one of the microstructures are located on two sides of a first reference plane parallel to the first light incident surface. A section-line of each first surface on a second reference plane perpendicular to the first light incident surface and perpendicular to the light emitting surface is a straight line. A first angle between each first surface and a third reference plane parallel to the light emitting surface in the light guide plate is between 0 degrees and 20 degrees, and a thickness of each microstructure is between 0 micrometers and 20 micrometers.

Abstract: A thin metal substrate having high thermal conductivity includes a copper foil layer, an insulating polymer layer and a thermal conductive adhesive layer. The thermal conductive adhesive layer has a resin and a thermal conductive powder dispersed in the resin. The insulating polymer layer is disposed between the copper foil layer and the thermal conductive adhesive layer. Since the thermal conductive adhesive layer has the thermal conductive powder and the insulating polymer layer has insulating and anti-breakdown abilities, the substrate has a reduced thickness, high heat dissipating efficiency and improved insulating performance.

Abstract: A light source module including a first backlight module, a second backlight module, a turning film, and a first absorptive polarizer film is provided. The first backlight module has a first side and a second side. The first backlight module includes a first light guide plate (LGP) having a first light incident surface and a first light source disposed beside the first light incident surface. The second backlight module is arranged at the second side. The second backlight module includes a second LGP having a second light incident surface and a second light source disposed beside the second light incident surface. The turning film is arranged at the first side. The turning film includes a plurality of reverse prisms. The reverse prisms extend along an extension direction. The first absorptive polarizer film is disposed between the first backlight module and the second backlight module. A display device is also provided.

Abstract: A backlight module includes a first surface light source assembly, a second surface light source assembly disposed above the first surface light source assembly, a first optical film disposed above the second surface light source assembly and including a plurality of prisms arranged along a first direction, and a light filter element disposed between the first and second surface light source assemblies. Both of the first surface light source assembly and the second surface light source assembly include a light emitting unit and a light guide plate. Each prism has a tip end facing the second surface light source assembly. The light filter element is configured to allow an incident light ray within a predetermined range of incident angle to pass therethrough. The backlight module can be switched between a narrow viewing angle mode and a wide viewing angle mode. Related driving method and display apparatus are also provided.

Abstract: A planar light source including an LGP and first and second light sources are provided. The LGP has a first surface and a second surface opposite to each other and a first groove and a second groove. The first groove and the second groove are respectively located on the first surface and the second surface, and are respectively located at two sides of a center line of the LGP, where the center line equally divides the first surface and the second surface. The first groove has a first side surface and a first light incident surface, and the second groove has a second side surface and a second light incident surface, where the light sources are disposed in the grooves. The light sources are suitable for respectively providing a light beam entering the LGP through the corresponding light incident surface.

Abstract: A backlight module including an LGP, an optical film, a first light source is provided. The LGP has a bottom surface, a light emitting surface, a first light incident surface, and microstructures. Each microstructure is recessed into or protrudes out of the bottom surface and includes at least two structural units. A section line of each structural unit on a first reference plane is a curve, and the curve has a peak point. A distance between two peak points of two adjacent structural units along a first direction is greater than 0 and smaller than a half of a total width of the two structural units along the first direction. Each microstructure has a symmetric plane perpendicular to the light emitting surface and the first light incident surface. The optical film is located on the light emitting surface. The first light source is located beside the first light incident surface.