Abstract: The present disclosure provides an optical lens, glasses and a display device. The optical lens includes: a first surface, a second surface, a first lens portion and a second lens portion. The optical lens is a convex lens. The first surface and the second surface are at two side surfaces of the optical lens. The first surface is a convex aspheric surface, and the second surface is a Fresnel surface with a recessed curved base. The first lens portion and the second lens portion are adjacent each other and connected in a direction perpendicular to a main optical axis of the optical lens. A first focal point of the first lens portion and a second focal point of the second lens portion are on the main optical axis, and a focal length of the second lens portion is greater than a focal length of the first lens portion.

Abstract: A support frame, a display device and mounting method thereof. The support frame includes a main body and a protrusion disposed at a side of the main body; the main body includes a first portion located on the protrusion and a second portion located under the protrusion, a thickness of the first portion is at least equal to a thickness of a touch cover plate; a thickness of the second portion is at least equal to a thickness of a backlight module; and a thickness of the protrusion is at least equal to a thickness of a display panel.

Abstract: A backlight source includes: an LED light source for emitting a visible light, a light guide plate and an infrared quantum point, wherein the LED light source is arranged on a light incidence side of the light guide plate and the infrared quantum point is arranged on at least one face of the light guide plate. And the infrared quantum point is excited by a part of the visible light emitted from the LED light source to emit an infrared light. The other part of visible light emitted from the LED light source exits uniformly a light exit face of the light guide plate along with the infrared light. The infrared quantum point is arranged on at least one face of the light guide plate other than the light incidence face and the light exit face.

Abstract: The present disclosure provides a backlight module, which includes at least one quantum wire unit. The at least one quantum wire unit is configured to have an effective wire width such that the at least one quantum wire unit is capable of converting electric energy to emit light of a selected wavelength. Each of quantum wire unit comprises a first electrode, disposed on a first side of a substrate layer; a first buffer layer, disposed on a second side of the substrate layer; an active layer, disposed over the first buffer layer; a second buffer layer, disposed over the active layer; and a second electrode disposed over the second buffer layer. Each quantum wire unit, along with the substrate layer, forms a quantum wire laser generator, which is configured such that the active layer emits light upon application of a voltage difference between the first electrode and the second electrode.

Abstract: This disclosure relates to a light modulation panel and a display device. The light modulation panel comprises: a color separation grating plate having a plurality of light-transmissive microstructures; a reception substrate located on a light exit side of the color separation grating plate and spaced away from the color separation grating plate; and an optical waveguide layer located on a light exit side of the reception substrate. According to technical solutions of this disclosure, the optical waveguide layer can modulate the exit light into collimated light. As a result, cross-color phenomenons of the display device can be effectively improved, and thereby the display quality is enhanced. In addition, by adjusting a structure of the optical waveguide layer, the exit light can also be emitted out at a preset angle such that the display device can be applied in occasions such as 2D display, 3D display or privacy protection.

Abstract: A display apparatus includes a display panel configured to output light for displaying a mixed image including a first image and a second image, and a filter device disposed at a light exit side of the display panel and including a first filter lens and a second filter lens, orthographic projections of the first and second filter lenses on a light-emitting surface of the display panel do not overlap, and wavelength ranges of light that the first filter lens allows to transmit do not overlap with wavelength ranges of light that the second filter lens allows to transmit. Wavelength ranges of light for displaying the first image are within the wavelength ranges of the light that the first filter lens allows to transmit, and wavelength ranges of light for displaying the second image are within the wavelength ranges of the light that the second filter lens allows to transmit.

Abstract: A display device and a method of controlling the same realizes a virtual reality display and an augmented reality display. The display device includes a transparent display panel, an imaging device disposed at a light-exiting side of the transparent display panel, and a light adjusting cover disposed at a side of the transparent display panel away from the light-exiting side. The transparent display panel is disposed within a focal length of the imaging device. The imaging device is configured to image pictures displayed on the transparent display panel at a side thereof away from the imaging device. The light adjusting cover is switchable between a light-transmitting state and a light-shaded state, and is capable of covering a viewing field of human eyes. The display device can perform the virtual reality display or the augmented reality display.

Abstract: Embodiments of the disclosure relate to an eye tracking device and a virtual reality imaging apparatus. The eye tracking device includes an electromagnetic radiation source configured to emit electromagnetic radiation toward an eye, a lens having a first side surface facing the eye and a second side surface opposite the first side surface, a first reflective film on the first side surface of the lens for reflecting the electromagnetic radiation, a second reflective film on the second side surface of the lens for reflecting the electromagnetic radiation, and an imaging means configured to receive the electromagnetic radiation from the eye, wherein the first reflective film and the second reflective film are positioned to direct the electromagnetic radiation from the eye to the imaging means.

Abstract: An eye tracking device and an eye tracking method applied to video glasses, and video glasses are provided. The eye tracking device includes a light source component, a reflection component, an image sensor component and a main control component. The light source component is configured to emit invisible light to an eyeball, the reflection component is configured to reflect the invisible light reflected by the eyeball, the image sensor component is configured to generate an image of the eyeball based on the invisible light reflected by the reflection component, and the main control component is coupled to the image sensor component and is configured to acquire a gaze direction based on the image of the eyeball.

Abstract: A backlight assembly includes a light guide plate, containing a plurality of dots. Each dot includes a first reflecting surface and a second reflecting surface, respectively configured to reflect a first incident light such that reflected light emerges in a first preset direction in a narrow viewing angle mode, and to diffusely reflect a second incident light such that the reflected light emerges dispersedly in a wide viewing angle mode. A first light source can be disposed over a lateral side of the light guide plate and facing the first reflecting surface, to provide the first incident light on the first reflecting surface in the narrow viewing angle mode. A second light source can be disposed over another lateral side of the light guide plate and facing the second reflecting surface to provide the second incident light on the second reflecting surface in the wide viewing angle mode.

Abstract: The present application discloses a light emitting diode comprising a substrate; and a light emitting layer on the substrate. The light emitting layer comprises, an N-type doped layer; a quantum well active layer; and a P-type doped layer. At least one of the N-type doped layer and the P-type doped layer comprises an uneven layer adapted to concentrate light emitting from the light emitting layer.

Abstract: The present disclosure provides a backlight module, which includes at least one quantum wire unit. The at least one quantum wire unit is configured to have an effective wire width such that the at least one quantum wire unit is capable of converting electric energy to emit light of a selected wavelength. Each of quantum wire unit comprises a first electrode, disposed on a first side of a substrate layer; a first buffer layer, disposed on a second side of the substrate layer; an active layer, disposed over the first buffer layer; a second buffer layer, disposed over the active layer; and a second electrode disposed over the second buffer layer. Each quantum wire unit, along with the substrate layer, forms a quantum wire laser generator, which is configured such that the active layer emits light upon application of a voltage difference between the first electrode and the second electrode.

Abstract: A lens, an optical display device including the lens, and a method for manufacturing the lens. The lens includes at least two lens portions; which have different focal lengths. When human eyes view a real scene image through the at least two lens portions separately, the real scene image is imaged at different image distances. The lens includes different lens portions having different focal lens, and thus can be a multi-focus lens. When the lens is used for an optical display device, the human eyes will see virtual image planes at different distances when viewing a display picture through the different lens portions due to the different focal lengths of the different lens portions. Visual fatigue can be reduced, and also scene images at difference distances can be appropriated, so that the three-dimensional feeling is improved.

Abstract: A touch display panel is provided. The touch display panel includes a first substrate, and a second substrate opposite to the first substrate. The first substrate includes a base substrate, and an anode, an organic light emitting layer and a cathode formed on the base substrate. The cathode includes a plurality of first sub-electrodes, each of the plurality of first sub-electrodes is used as a touch electrode and applied with a touch scanning signal during a touch scanning stage and is used as a common electrode and applied with a common electrode signal during a display stage. The first substrate further includes a driving electrode layer disposed between the anode and the base substrate, the driving electrode layer is applied with the touch scanning signal during the touch scanning stage.

Abstract: The present disclosure provides an optical imaging structure and virtual reality spectacles. In one embodiment, an optical imaging structure includes: an eyeglass component; and at least one light guide wall distributed along an edge of the eyeglass component, wherein, two opposite end faces of the at least one light guide wall are respectively a light incoming face and a light outgoing face; wherein, an inner rim of the light outgoing face joins the edge of the eyeglass component and extends in an optical axis direction of the eyeglass component, and, the light outgoing face is gradually distanced from the eyeglass component from the inner rim to an outer rim of the light outgoing face; and wherein, the at least one light guide wall includes a first light guide wall and a second light guide wall respectively disposed at left and right sides of the eyeglass component.

Abstract: A viewing angle controlling light source device and a display apparatus are provided. The viewing angle controlling light source device includes a base substrate; a light emitting array arranged on the base substrate, wherein the light emitting array includes a plurality of light emitting units; at least one liquid crystal lens array arranged on the light emitting array, wherein the liquid crystal lens array includes a plurality of liquid crystal lens units corresponding to the light emitting units one by one, each liquid crystal lens unit includes a first electrode and a second electrode, and a liquid crystal layer arranged between the first electrode and the second electrode, a light emergent direction of light emitted by the light emitting unit after the light transmitting through the liquid crystal lens unit by regulating a voltage difference between the first electrode and the second electrode.

Abstract: A light source color separation device and a display device are provided. The light source color separation device includes a plurality of sawtooth units and a light-emitting unit. The plurality of sawtooth units is arranged in an array. Each of the plurality of sawtooth units includes a plurality of sawteeth, and angles between working planes and bottom planes of the sawteeth in every two adjacent sawtooth units are different. The light-emitting unit is configured to irradiate the working planes of the plurality of sawteeth with parallel light at a certain incident angle, to make the light irradiated onto and then reflected by the working planes of the sawteeth in every two adjacent sawtooth units diffracted to have different colors.

Abstract: The present invention relates to the field of display technologies and discloses a diffusion plate, a backlight module and a display device. The diffusion plate comprises a main body structure. An accommodating slot for accommodating a light source assembly is formed within the main body structure, a support surface for supporting a display panel is formed on the surface of a side of the bottom wall of the accommodating slot which faces outside of the slot, and the accommodating slot is provided with a fixing portion for fixing the light source assembly. The above diffusion plate not only diffuses the light emitted by the light source assembly homogeneously, but also enables mounting and supporting of the light source assembly and the display panel. Moreover, the backlight module of the diffusion plate omits the structures such as a support backboard and a rubber frame, and further achieves structure simplification. Thus, the backlight module of the diffusion plate has good structural stability.

Abstract: The present disclosure provides a pixel driving circuit, a display substrate and a driving method thereof, and a display device. The pixel driving circuit includes a driving unit, a data voltage write unit, an energy storage unit, a threshold compensation unit, and a touch driving compensation unit. The energy storage unit comprises a first energy storage end and a second energy storage end. The touch driving compensation unit is connected to the second energy storage end of the energy storage unit to compensate the voltage of the second energy storage end in a touch phase, so as to maintain that driving current generated by the driving unit does not vary with time. The pixel driving circuit provided by the present disclosure can allow luminance of a driven electroluminescent element does not vary with time in a touch phase, thereby avoiding affecting light emission display of the driven electroluminescent element.

Abstract: A wearable electronic device and an emotion monitoring method are provided. The wearable electronic device includes: a physiological data monitoring sensor configured to acquire current physiological state data of a wearer in real time; a data memory configured to pre-store physiological state data of the wearer in a preset emotional state; a first comparator configured to compare the current physiological state data acquired by the physiological data monitoring sensor with the pre-stored physiological state data, so as to determine whether or not the wearer is currently in the preset emotional state, thereby to acquire a first comparison result; and an instruction generator configured to generate an emotional monitoring output instruction in accordance with the first comparison result.