Abstract: A sample testing apparatus for characterizing at least one target molecule in a testing sample includes a substrate and at least one detection device over the substrate. Each detection device includes a plurality of electrodes, a plurality of data lines, and a probe. Each electrode is configured, upon reaction of the probe with one of the at least one target molecule, to sense an electrical signal, and then to transmit the electrical signal via the one data line. Each data line includes a first film layer and at least one other film layer disposed over the first film layer. The first film layer can be at a substantially same layer, and have a first composition substantially same, as the electrodes. One or more of the at least one other film layer can have a composition having a relatively lower electric resistance than the first composition.
Abstract: Embodiments of the present disclosure provide a method and apparatus for driving an electrophoretic display panel, and a display device. The electrophoretic display panel includes a first electrode layer, a second electrode layer, and charged particles distributed between the first electrode layer and the second electrode layer. In the method for driving an electrophoretic display panel, a direct current voltage signal is applied to the first electrode layer to cause the charged particles to move to a predetermined position. An alternating current voltage signal is applied to the first electrode layer to cause the charged particles to oscillate. A data voltage signal is applied to the first electrode layer for display. After the charged particles oscillate, the motion activity can be improved, so that the charged particles may more accurately move according to the data voltage signal, thereby improving display accuracy.
Abstract: The embodiment of the invention discloses a display substrate and a display device. The display substrate includes: data signal lines located in a display area of the display substrate; and fanout line in a fanout area adjacent the display area of the display substrate and respectively connected in one-to-one correspondence with the data signal lines, wherein the data signal fanout lines comprise a first fanout lines disposed in the same layer with a touch electrode of the display substrate.
Abstract: A backlight lamp bar, a backlight module and a display device are provided in embodiments of the disclosure, all being relating to a technical field of display technology, the backlight lamp bar as disclosed including: a flexible circuit board; and a backlight source and a button light source both being provided on the flexible circuit board; the backlight source and the button light source being located on two opposite faces of the flexible circuit board perpendicular to a thickness direction thereof, and power supply terminals of the backlight source and the button light source are electrically connected with circuits on the flexible circuit board, respectively.
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 flexible display device and a mobile terminal including the same are provided, whose portability is improved, and which enable diverse choices of the screen sizes. The flexible display device includes a receptacle mechanism and a flexible display screen, wherein the receptacle mechanism includes a first end cap and a second end cap opposed to each other, a spool pivotally mounted on the first end cap and the second end cap, a ratchet fixedly connected to the spool, a pawl hinged to the first end cap, a pretension spring abutting the first end cap and the pawl respectively, and a reset spring fixedly connected to the spool and the second end cap respectively. The flexible display screen includes a first lateral edge and a second lateral edge opposed to each other, and the first lateral edge is fixedly connected to the spool.
Abstract: A backlight module, a controlling method thereof, and a display device are disclosed. The backlight module includes a light guide plate and at least one digital micro-mirror device located on a side of the light guide plate away from a light exiting surface. The at least one digital micro-mirror device includes a plurality of micro-mirrors, and a reflective surface of each of the plurality of micro-mirrors faces the light guide plate. A local brightness of the backlight module is adjusted by controlling the micro-mirrors in the digital micro-mirror device.
Abstract: A scan driving circuit and a driving method thereof, an array substrate and a display device are provided. The scan driving circuit includes a scan signal generating circuit, a plurality of scan lines and a plurality of switching circuits. The scan signal generating circuit includes a plurality of output terminals for respectively outputting scan signals; the plurality of scan lines respectively correspond to the plurality of output terminals of the scan signal generating circuit and are divided into a plurality of scan line groups, and each of the plurality of scan line groups includes at least two scan lines; the plurality of switching circuits respectively correspond to the plurality of scan line groups and are respectively disposed between the plurality of scan line groups and the plurality of output terminals.
Abstract: A display substrate and a display device are provided. The display substrate includes a display region and a non-display region located at a periphery of the display region. The non-display region includes a plurality of conductive poles arranged on a base substrate, and the plurality of conductive poles is grounded and is distributed at the periphery of the display region to transfer static electricity out.
Abstract: A display substrate, a manufacturing method thereof, a display panel, and a display device are disclosed. The display substrate includes a display region and a non-display region located around the display region, the display substrate includes: a base substrate and a black matrix located in the non-display region on the base substrate; at least one concave portion is located in the black matrix, and the at least one concave portion is filled with a non-transparent insulating material.
Abstract: A display device and a method for driving the display device are disclosed. The display device comprises a black and white liquid crystal display panel, an organic light emitting display panel, and a control unit. The control unit is configured to control the organic light emitting display panel to emit light, at least divide a frame of display time into a first time period, a second time period, and a third time period, and to drive the first primary color sub-pixel to emit light only in the first time period, the second primary color sub-pixel to emit light only in the second time period, and the third primary color sub-pixel to emit light only in the third time period. According to embodiments of the present invention, there is no need to provide lenticular lenses or a slit grating to realize 3D display, thus reducing production cost.
Abstract: Provided are a touch substrate and a method for driving the same, and a display apparatus. The touch substrate includes a base substrate, and a plurality of touch control units, gate lines and read lines disposed on the base substrate. Each touch control unit includes a first electrode plate, a piezoelectric material layer and a second electrode plate sequentially disposed on the base substrate. The gate lines are configured to provide a constant voltage to the first electrode plates during a touch control period. The read lines are configured to read out an amount of charges generated by the piezoelectric material layers so as to determine a position of a touch point.
Abstract: The present invention provides a pixel driving circuit, a pixel driving method, and a display device. The pixel driving circuit comprises a driving transistor, a light-emitting device and a threshold compensation unit; a control electrode, a first electrode and a second electrode of the driving transistor are all connected with the threshold compensation unit; the threshold compensation unit is connected with a data line, a first power supply terminal, and a first terminal of the light-emitting device. In the technical solution of the present invention, by providing the sum of the data voltage and the threshold voltage of the driving transistor to the control electrode of the driving transistor, a driving current generated by the driving transistor is independent of the threshold voltage of the driving transistor, so as to prevent the driving current from being influenced by non-uniformity and shift of the threshold voltage.
Abstract: A testing probe including a base, an elastic extensible element and a probe needle. The probe needle is disposed on the base through the elastic extensible element, and the elastic extensible element is in a stretched state. The testing probe requires only coating silver adhesive on the testing area of the liquid crystal screen previously, eliminating the need to make solder wire, fix solder wire, etc., thereby simplifying preparation before testing and ensuring reliable connections, which greatly reduces testing time and improves testing efficiency. A testing device including the above testing probe.
Abstract: An electronic device, a face recognition and tracking method and a three-dimensional display method are provided. The electronic device includes: a pick-up device configured to shoot a face image of a user; a frontal face image acquisition module configured to acquire a frontal face image of the user via the pick-up device; and a face tracking module configured to perform a comparison operation on the face image shot by the pick-up device and the frontal face image, and determine a moving distance of the face of the user along a direction in a plane perpendicular to a central optical axis of the pick-up device, wherein the comparison operation includes a comparison between a ratio of an area of a specific part to an area of an entire face for the face image shot by the pick-up device, and the ratio for the frontal face image.
Abstract: The present disclosure relates to the field of display technology, and provides a display substrate, its driving method and a display device, so as to reduce the power consumption of the display device. The display substrate includes a plurality of first transparent regions arranged in an array form. Each first transparent region serves as a subpixel, and a pixel includes at least two adjacent subpixels. The subpixels in each pixel correspond to backlight lamps in different colors respectively. The display substrate further includes a plurality of light-shielding structures each corresponding to one of the subpixels and configured to adjust a light transmission rate of the subpixel.
Abstract: The present application relates to a display device, comprising a backlight source, a liquid crystal lens layer having a plurality of lens units arranged in a matrix, and a lens controller, wherein the backlight source comprises light sources of three different colors, wherein light sources of each color are lit up and turned off circularly, wherein only a light source of one color is lit up at a same moment, wherein the lens controller is configured to control a matching degree between a turn-on time of each lens unit and a light-up time of the light sources, so as to make selection of quantity of light transmitted by the turned-on lens unit, and the lens controller is further configured to enable light exit directions of the plurality of lens units to be converged in an imaging area in front of the display device for imaging display.
Abstract: A display device and a controlling method are disclosed to achieve peep-proof effect while increasing utilization rate of light. The display device includes a display panel including a first substrate, a second substrate and a plurality of display units, wherein a first light source is disposed on one side of the first substrate; light emitted by the first light source is incident onto the first substrate and propagated in the first substrate in a manner of total reflection; and a light adjusting structure is disposed on a surface of the first substrate close to the second substrate, and is configured to reduce a divergence angle of light emitted by each of the display units of the display panel.