Abstract: The present disclosure provides a floating touch camera module, a display device and a touch method. The floating touch camera module includes: a lens with a light collection surface and a light emitting surface; an image sensor at one side of the light emitting surface of the lens, the image sensor configured to receive light rays from the lens and form sensing information; and an infrared cut filter film at one side of a light incident surface of the image sensor and configured to filter out infrared light rays. The infrared cut filter film is movable relative to the lens between a first position at which the infrared cut filter film directly faces the lens and a second position at which the infrared cut filter film is offset from the lens, thereby enabling the floating touch camera module to switch between a photographing mode and a touch mode.

Abstract: A light-emitting diode chip, a display substrate and a manufacturing method thereof are disclosed. The light-emitting diode chip includes a first conductive type semiconductor layer, a light-emitting layer, at least two second conductive type semiconductor layers, and at least two first electrodes; the at least two second conductive type semiconductor layers are at a side of the light-emitting layer away from the first conductive type semiconductor layer, the at least two first electrodes are electrically respectively connected with the at least two second conductive type semiconductor layers. Orthographic projections of the at least two second conductive type semiconductor layers on the first conductive type semiconductor layer are spaced apart from each other, and orthographic projections of the at least two first electrodes on the first conductive type semiconductor layer are spaced apart from each other.

Abstract: A light-emitting chip and a light-emitting substrate are provided. The light-emitting chip includes a base substrate and at least two sub-light-emitting chips disposed on a side of the base substrate, wherein each sub-light-emitting chip includes a first semiconductor layer, a second semiconductor layer and an light-emitting layer located between the first semiconductor layer and the second semiconductor layer which are stacked.

Abstract: A backlight structure is provided in embodiments of the disclosure, including: a base plate; a light guide plate, on a surface of the base plate at a side thereof and having a plurality of through-holes passing therethrough; a plurality of LED chips, on a surface of the base plate at the same side as the light guide plate, each of the plurality of LED chips being located in one-to-one correspondence within one of the plurality of through-holes of the light guide plate; a fluorescent powder filler filling the plurality of through-holes; a plurality of reflecting elements, on a first surface of the light guide plate facing away from the base plate, respectively, and covering the plurality of through-holes which open outwards at the first surface of the light guide plate, respectively; and a plurality of light extracting structures, on the first surface of the light guide plate, respectively, and configured to guide light to exit therefrom.

Abstract: A backlight structure is provided in embodiments of the disclosure, including: a base plate; a light guide plate, on a surface of the base plate at a side thereof and having a plurality of through-holes passing therethrough; a plurality of LED chips, on a surface of the base plate at the same side as the light guide plate, each of the plurality of LED chips being located in one-to-one correspondence within one of the plurality of through-holes of the light guide plate; a fluorescent powder filler filling the plurality of through-holes; a plurality of reflecting elements, on a first surface of the light guide plate facing away from the base plate, respectively, and covering a side of the plurality of through-holes away from which open outwards at the base first surface of the light guide plate, respectively; and a plurality of light extracting structures, on the first surface of the light guide plate, respectively, and configured to guide light to exit therefrom.

Abstract: Disclosed are a backlight module and a display device. The backlight module includes: a substrate and light emitting devices disposed on a side of the substrate, where each of the light emitting devices includes a light emitting diode, and a first connecting weld leg and a second connecting weld leg disposed between the light emitting diode and the substrate; the backlight module further includes a reflective layer between the substrate and the light emitting diodes; and for a same light emitting device, an orthographic projection of the reflective layer on the substrate and an area between orthographic projections of the first connecting weld leg and the second connecting weld leg on the substrate have an overlapping area.

Abstract: Disclosed are a backlight module and a display device. The backlight module includes: a substrate and light emitting devices disposed on a side of the substrate, where each of the light emitting devices includes a light emitting diode, and a first connecting weld leg and a second connecting weld leg disposed between the light emitting diode and the substrate; the backlight module further includes a reflective layer between the substrate and the light emitting diodes; and for a same light emitting device, an orthographic projection of the reflective layer on the substrate and an area between orthographic projections of the first connecting weld leg and the second connecting weld leg on the substrate have an overlapping area.

Abstract: An optical film element, a backlight and a display device are disclosed. The optical film element includes a transparent base and a first diffusion film located at a first surface of the transparent base; the optical film element further includes an optical functional layer located at a second surface of the transparent base opposite to the first surface; the optical functional layer includes transmission regions and reflection regions; reflection members are provided in the reflection regions.

Abstract: A light guide assembly comprises: a first light guide member; and a second light guide member stacked on the first light guide member. The light guide assembly has first and second light incident surfaces located on different sides, and a light emitting surface and a bottom surface which are oppositely disposed in a thickness direction, the first light incident surface and the bottom surface are located on the first light guide member, and the second light incident surface and the light emitting surface are located on the second light guide member, and the bottom surface is provided with first dots having a density increasing in a direction away from the first light incident surface, and the light emitting surface is provided with second dots having a density increasing in a direction away from the second light incident surface.

Abstract: The present application provides a backlight, a method for manufacturing a backlight, and a display apparatus. The backlight includes at least one lamp plate having a base substrate and a light source on the base substrate, the light source being configured to emit light having a first wavelength; a wavelength selection layer on a side of the light source away from the base substrate; and a wavelength conversion layer on a side of the wavelength selection layer away from the base substrate. The wavelength conversion layer is configured to emit light having a second wavelength under excitation of the light having the first wavelength. The wavelength selection layer is configured to transmit the light having the first wavelength through the wavelength selection layer and reflect the light having the second wavelength.

Abstract: The present disclosure provides a floating touch camera module, a display device and a touch method. The floating touch camera module includes: a lens with a light collection surface and a light emitting surface; an image sensor at one side of the light emitting surface of the lens, the image sensor configured to receive light rays from the lens and form sensing information; and an infrared cut filter film at one side of a light incident surface of the image sensor and configured to filter out infrared light rays. The infrared cut filter film is movable relative to the lens between a first position at which the infrared cut filter film directly faces the lens and a second position at which the infrared cut filter film is offset from the lens, thereby enabling the floating touch camera module to switch between a photographing mode and a touch mode.

Abstract: The present disclosure provides a flexible circuit board, a light bar, a light source and a display device. The light source includes a flexible circuit board having at least one effective welding portion and a light bar having at least one effective pad, the at least one effective welding portion being in one-to-one correspondence with the at least one effective pad, and the effective welding portion being fixed to a corresponding effective pad to transmit a signal loaded by itself to the corresponding effective pad. The flexible circuit board further includes at least one auxiliary welding portion, the light bar further includes at least one auxiliary pad that is in one-to-one correspondence with the at least one auxiliary welding portion, and the auxiliary welding portion is fixed to a corresponding auxiliary pad to enhance the firm fixing between the flexible circuit board and the light bar.

Abstract: The present application provides a backlight, a method for manufacturing a backlight, and a display apparatus. The backlight includes at least one lamp plate having a base substrate and a light source on the base substrate, the light source being configured to emit light having a first wavelength; a wavelength selection layer on a side of the light source away from the base substrate; and a wavelength conversion layer on a side of the wavelength selection layer away from the base substrate. The wavelength conversion layer is configured to emit light having a second wavelength under excitation of the light having the first wavelength. The wavelength selection layer is configured to transmit the light having the first wavelength through the wavelength selection layer and reflect the light having the second wavelength.

Abstract: An optical film element, a backlight and a display device are disclosed. The optical film element includes a transparent base and a first diffusion film located at a first surface of the transparent base; the optical film element further includes an optical functional layer located at a second surface of the transparent base opposite to the first surface; the optical functional layer includes transmission regions and reflection regions; reflection members are provided in the reflection regions.

Abstract: A light guide assembly comprises: a first light guide member; and a second light guide member stacked on the first light guide member. The light guide assembly has first and second light incident surfaces located on different sides, and a light emitting surface and a bottom surface which are oppositely disposed in a thickness direction, the first light incident surface and the bottom surface are located on the first light guide member, and the second light incident surface and the light emitting surface are located on the second light guide member, and the bottom surface is provided with first dots having a density increasing in a direction away from the first light incident surface, and the light emitting surface is provided with second dots having a density increasing in a direction away from the second light incident surface.