Abstract: A display panel, a display device and an image pickup method therefor are provided. The display panel includes a display region and an image pickup apparatus, wherein in a plan view of the display panel, at least a portion of the image pickup apparatus is located in the display region.

Abstract: Examples of the disclosure provide an OLED touch display panel, a display device and a method for delecting a touch operation zone, relate to the field of touch display, and may achieve an incell touch display panel. The display panel has an OLED component, which comprises a first electrode; a piezoresisiive material layer, which is above the first electrode of the OLED component; a touch electrode layer, which is above the piezoresistive material layer; and a first stripe electrode, a second stripe electrode, a third stripe electrode and a fourth stripe electrode, which are provided above the touch electrode layer and not contacted with each other.

Abstract: Embodiments of the present disclosure provide a device and a method for detecting a light intensity. The device includes a photosensor, an input circuit, an amplification circuit, a feedback circuit, a storage circuit, and an output circuit. The photosensor is coupled to a first voltage signal terminal and a first node. The input circuit provides a first voltage signal to the first node according to an input signal. The amplification circuit provides, to a second node, a second voltage signal from a second voltage signal terminal according to the voltage of the first node. The feedback circuit couples the first node to the second node according to a reset signal. The storage circuit stores a voltage difference between the first node and the second node. The output circuit reads the voltage of the second node according to a read signal.

Abstract: A touch substrate includes a first transparent electrode layer, a transparent flexible dielectric layer and a second transparent electrode layer. The first transparent electrode layer comprises first touch detection electrodes arranged in an array and insulated from each other. During the touch detection period, a first touch detection signal is loaded simultaneously to the first and second transparent electrode layer, and the touch position can be determined by detecting a change in the capacitance value of each of the first touch detection electrodes. During the pressure detection period, a second touch detection signal may be loaded to one of the first transparent electrode layer and the second transparent electrode layer, and the pressure in the z direction perpendicular to the surface of the touch screen can be determined by detecting a change in the capacitance value between each of the first touch detection electrodes and the second transparent electrode layer.

Abstract: The present disclosure relates to display technology and discloses a present disclosure and a display device. The linear polarizer includes a base plate and a plurality of shading stripes equally spaced in parallel on the base plate, with a transparent stripe formed between every two shading stripes adjacent to each other, wherein the shading stripes are made of a conductive material; at least a portion of the shading stripes are also configured to detect touch position.

Abstract: There are disclosed a device and method for recognizing a gesture, and a display device, so as to recognize a gesture on a 3D display. A device for recognizing a gesture according to the present disclosure includes: a depth-of-focus position recognizer configured to recognize a depth-of-focus position of a gesture of a user; and a gesture recognizer configured to recognize the gesture according to the depth-of-focus position of the gesture of the user and a 3D display image.

Abstract: A touch display substrate, a touch display device, and a control method thereof are provided. The touch display substrate includes first electrodes on a base substrate and independent from each other, wherein each of the first electrodes is used as an electrode used for display in a display stage, is used as a touch electrode in a touch time stage and is used as a first pressure sensitive electrode in a pressure detection stage; pressure sensitive electrodes corresponding to the first electrodes on the base substrate; and a piezoelectric layer between the first electrodes and the second pressure sensitive electrodes.

Abstract: A touch panel, a method of driving a touch panel, and a touch device are provided. The touch panel includes a first detection electrode, a piezoelectric material layer and a position touch structure. The piezoelectric material layer is on the first detection electrode. The position touch structure comprises a touch electrode or a plurality of touch electrodes and is on the piezoelectric material layer. The touch electrode or at least one of the plurality of touch electrodes is configured to function as a second detection electrode as well, and the second detection electrode together with the piezoelectric material layer and the first detection electrode constitutes a piezoelectric sensing structure for implementing a touch pressure detection.

Abstract: A collimating structure, a method for fabricating the same and a display device are provided. The collimating structure includes a plurality of light-shielding layers with light-transmitting parts, and the distances between the respective light-shielding layers are adjusted using light-transmitting layers to thereby achieve a desirable depth-to-width ratio of a column of holes so as to define a light convergence angle of the collimating structure. At least one intermediate light-shielding layer is arranged between the top light-shielding layer and the bottom light-shielding layer, and the distances between the respective light-shielding layers are adjusted using the light-transmitting layers, so that crosstalk between light of the light-transmitting parts can be shielded to thereby improve the accuracy of recognized information about texture.

Abstract: The present disclosure provides an in-cell touch screen, a manufacturing method thereof, and a display apparatus. The touch screen comprises a pixel region disposed over a base substrate. The pixel region is surrounded by a first barrier, which is configured to insulate the pixel region. The pixel region includes a first electrode; a light-emitting layer, disposed over the first electrode; and a second electrode, disposed over the light-emitting layer. The second electrode expands over an opening of the first barrier so as to be able to electrically connect with a third electrode outside the pixel region.

Abstract: A microfluidic system includes a liquid drop accommodation space, an array of photosensitivity detection circuits and an array of driving circuits between an upper substrate and a lower substrate. Each photosensitivity detection circuit includes a photosensitive transistor and a first gating transistor. The photosensitive transistor has a gate electrode coupled to a first scan signal line, a source electrode coupled to a first power supply voltage signal line, and a drain electrode coupled to a source electrode of the first gating transistor. The first gating transistor has a gate electrode coupled to a second scan signal line, and a drain electrode coupled to a read signal line. Each driving circuit includes a driving transistor and a driving electrode. The driving transistor has a gate electrode coupled to a third scan signal line, a source electrode coupled to a data signal line, and a drain electrode coupled to the driving electrode.

Abstract: Embodiments of the present disclosure provide a current amplification circuitry and a driving method thereof, and a fingerprint detection device. The current amplification circuitry includes a voltage control circuit, a plurality of first current amplification circuits, and a second current amplification circuit. The voltage control circuit provides a voltage control signal to the plurality of first current amplification circuits. The first current amplification circuit includes a current mirror, and the current mirror is coupled to a voltage input terminal, the voltage control circuit, and a first input terminal of the second current amplification circuit. The first current amplification circuit amplifies a current from the voltage input terminal according to the voltage control signal provided by the voltage control circuit, and provides the amplified current to the second current amplification circuit.

Abstract: Disclosed are an optical fingerprint identification device and a display panel including the same. The optical fingerprint identification device includes a light emitting structure and a photosensitive sensor. The light emitting structure includes a transparent first electrode, an opaque second electrode, an electroluminescent layer between the first electrode and the second electrode, and a through hole penetrating the first electrode, the electroluminescent layer and the second electrode. The photosensitive sensor is disposed on a side of the second electrode facing away from the electroluminescent layer, and is configured to receive light rays transmitted through the through hole and acquire fingerprint information according to the received light rays.

Abstract: The present invention is related to processes for preparing 4-chloro-7H-pyrollo[2,3,-d]pyrimidine, and related synthetic intermediate compounds. 4-Chloro-7H-pyrrolo[2,3,-d]pyrimidine is an intermediate for preparing chiral substituted pyrazolyl pyrrolo[2,3-d]pyrimidines, which are useful as inhibitors of the Janus Kinase family of protein tyrosine kinases (JAKs) for treatment of inflammatory diseases, myeloproliferative disorders, and other diseases.

Abstract: A polarizer and a display device, which relates to a display technology is provided. The polarizer is divided into a plurality of pattern regions arranged in a two-dimensional direction. The polarizer includes a linear polarization pattern and a touch sensing electrode disposed in the pattern region. The touch sensing electrodes in the different pattern regions are not connected. Polarization pattern and touch sensing electrode are set in the same layer.

Abstract: The present disclosure discloses a temperature sensor, a display panel, and a display apparatus, in the field of sensors. The temperature sensor includes a ring oscillator consisting of n levels of phase inverters, where n is an odd number greater than or equal to 1. Each level of phase inverter includes a first thin film transistor (TFT) and a second TFT that are connected in series. An on/off state of the second TFT is configured to be in a normally-on state, an on/off state of the first TFT is configured to be determined by a signal input to the phase inverter, and mobility of an active layer material of the first TFT is greater than mobility of an active layer material of the second TFT.

Abstract: The present disclosure discloses a pressure detection circuit, a pressure detection circuit array, a touch panel, and a detection method. The pressure detection circuit comprises: a collection sub-circuit configured to receive an external pressure signal and convert the external pressure signal into a voltage signal under the control of a gating signal; and a reading sub-circuit configured to receive the voltage signal, and output a detection output signal related to the voltage signal, wherein the collection sub-circuit and the reading sub-circuit are powered by a constant current source respectively.

Abstract: A fingerprint recognition apparatus is provided. The fingerprint recognition apparatus includes m driving signal lines, n reading signal lines, and m*n photosensitive devices. Each of a plurality of electrode signal controllers is connected to at least two of the m driving signal lines, the plurality of electrode signal controllers are configured to simultaneously input driving signals of different frequencies to each of the m driving signal lines connected to the plurality of electrode signal controllers, and a demodulator is connected to the n reading signal lines, and is configured to demodulate electrical signals of different frequencies transmitted on each of the n reading signal lines.

Abstract: An in-cell touch screen includes a pressure sensing structure. The pressure sensing structure includes a plurality of pressure sensitive electrodes arranged in an array and being independent from each other, each pressure sensitive electrode configured for generating a potential difference in response to a pressure caused by pressing; an input electrode electrically connected to the plurality of pressure sensitive electrodes for receiving a fixed potential in a pressure detection phase; and a plurality of output electrodes each electrically connected to a respective one of the plurality of pressure sensitive electrodes for outputting a signal indicative of a change in a potential of the respective pressure sensitive electrode with respect to the fixed potential in the pressure detection phase.

Abstract: Provided are a flexible display device and a control method thereof. The flexible display device includes: a base substrate; a display component located on the base substrate; a top-layer cover plate, configured to package the display component; a deformation layer, configured to create a deformation to drive the flexible display device to deform; and a control element, located on the base substrate and configured to control a deformation variable of the deformation layer.