Abstract: Disclosed are an organic light-emitting display panel and an electronic device.

Abstract: Disclosed are a display panel and a display device. The display panel includes an organic light-emitting display panel, a fingerprint identification module and an angle defining film; the fingerprint identification module includes at least one fingerprint identification unit, and performs fingerprint identification according to lights reflected to the fingerprint identification unit via a touch body; the angle defining film is located between the organic light-emitting display panel and the fingerprint identification module. A transmissivity of the light by the angle defining film is A1 when the incident angle of said light with respect to the angle defining film is smaller than a transmission angle of the angle defining film, and a transmissivity of the light by the angle defining film is A2 when the incident angle of said light with respect to the angle defining film is larger than the transmission angle of the angle defining film, wherein A1>A2>0.

Abstract: Disclosed are a display panel and a display device, the display panel includes: an array substrate, which includes a base substrate and a display drive circuit on the base substrate; a display unit, which is provided on the array substrate and located on one side of the display drive circuit that is facing away from the base substrate; and a fingerprint identification unit, which includes a light-sensing unit, wherein the light-sensing unit is provided on the array substrate and located on one side of the display drive circuit that is facing away from the base substrate, and a vertical projection of the light-sensing unit on a plane including a light-emitting functional layer of the display unit is located between short edges of the light-emitting functional layers of adjacent display units.

Abstract: A display panel and a display apparatus are provided. The display panel comprises an array substrate, a plurality of light emitting units disposed on the array substrate, each having a plurality of sub-light emitting units, and a plurality of fingerprint recognition units, configured to recognize fingerprints based on light reflected by a touch object to the fingerprint recognition units. Each fingerprint recognition unit is configured in coordination with at least one sub-light emitting unit. An orthogonal projection of each fingerprint recognition unit on the array substrate and an orthogonal projection of a corresponding sub-light emitting structure on the array substrate overlap with each other.

Abstract: A display panel is provided. The display panel comprises an array substrate including a substrate and a plurality of pixel units disposed on the substrate, wherein each pixel unit includes a light emitting structure and a pixel driver circuit, the light emitting structure includes a reflective electrode, the driver circuit is disposed on a side of the light emitting structure adjacent to the substrate, the pixel driver circuit includes at least two thin-film-transistors and at least one capacitor, and orthogonal projections of at least two thin-film-transistors and at least one capacitor on a plane where the reflective electrode is located fall within the reflective electrode; a fingerprint recognition module including at least one fingerprint recognition unit, wherein an orthogonal projection of the fingerprint recognition unit on the array substrate at least partially overlaps with a transparent region on the array substrate; and a fingerprint recognition light source.

Abstract: A display panel and a display device thereof are provided. The display panel comprises a display module comprising a first substrate and a first polarizer, wherein a light-exiting surface of the display module is arranged on an outer side of the first polarizer; a fingerprint recognition module disposed on an outer side of the first substrate and comprising a fingerprint recognition layer and a second polarizer disposed on an inner side of the fingerprint recognition layer; and a light source disposed on an inner side of the first polarizer. The fingerprint recognition layer recognizes fingerprint based on fingerprint signal light. The first polarizer is engaged with the second polarizer, such that the fingerprint signal light is transmitted through the first polarizer and the second polarizer without a light intensity loss, and the second polarizer reduces the light intensity of fingerprint noise light.

Abstract: A touch display device and a method for driving a touch display device. The touch display device includes a touch unit and a display unit; the touch unit includes a first touch electrode layer having a plurality of first touch electrodes, each of which includes a plurality of touch sub-electrodes; the display unit includes an array substrate, a color filter substrate disposed opposite to the array substrate, a display function layer disposed between the array substrate and the color filter substrate, and a plurality of gate electrodes disposed on the array substrate; where, a projection of each of the touch sub-electrodes in a direction perpendicular to the array substrate is located between two adjacent ones of the plurality of gate electrodes.

Abstract: A gate drive circuit, includes a driving transistor and a switching transistor. A gate electrode of the switching transistor is configured to receive first switching signal. A first electrode of the switching transistor is configured to receive second switching signal. A second electrode of the switching transistor is connected to gate electrode of the driving transistor. A first electrode of driving transistor is configured to receive first control signal, and a second electrode of driving transistor is connected to output terminal. During display period, the first control signal is display scanning signal, the first switching signal switches the switching transistor off, the driving transistor is switched on and the driving transistor outputs the display scanning signal.

Abstract: Disclosed is a folding display device comprising: a display panel. and a folding shaft. The display play can be configured to be folded along the display device. The folding shaft can be configured to partition the display panel into a first display portion and a second display portion, and a folding state detecting electrode is a capacitive detecting electrode and is provided on the first display portion and/or the second display portion. According to the disclosure, the problem of the prior art that a detecting unit in a folding display device is difficult to determine the specific degree of folding of the folding display device may be solved. Thereby, the degree of folding of a folding display device can be accurately detected.

Abstract: A FFT/IFFT method, comprises converting a set of reversal-order or a set of natural-order addresses of FFT/IFFT data to a set of addresses in a radix-based numeral representation; calculating sequence numbers of a plurality of memory locations for buffering a set of data for a parallel calculation, by accumulating or subtracting all digits of the set of addresses in the radix-based numeral representation and then performing a modulo operation on the accumulation or subtraction results, wherein the radix represents a length of short DFT sequence for the parallel calculation in a FFT/IFFT calculation; storing the FFT/IFFT data simultaneously and respectively into corresponding memory locations indicated by the calculated sequence numbers; and performing FFT/IFFT calculation, comprising: performing short DFT sequence calculation; repeating the short DFT sequence calculation, until the whole FFT/IFFT calculation completes.

Abstract: A touch liquid crystal display device is disclosed. The display device includes a first substrate and a second substrate arranged oppositely, and a touch layer being formed on the first substrate. The touch layer includes a plurality of drive electrodes and a plurality of sensing electrodes thereon, where the drive and sensing electrodes include a plurality of transverse metal wires and a plurality vertical metal wires interlaced with each other. In addition, the second substrate includes a plurality of transverse drive lines and a plurality of vertical drive lines, where the number of transverse metal wires is less than the number of transverse drive lines, or the number of vertical metal wires is less than the number of vertical drive lines.

Abstract: A touch screen and a touch display electronic device are provided. The touch screen includes a substrate; and an auxiliary electrode layer, a common electrode layer and a wire layer arranged on a same side of the substrate. The common electrode layer and the wire layer are arranged opposite to each other in a direction perpendicular to the substrate. The common electrode layer includes multiple common electrode blocks having a same shape and a same area; each of the common electrode blocks includes a central electrode and sawtooth-shaped electrodes connected to the central electrode; and the sawtooth-shaped electrodes of any two adjacent common electrode blocks are fitted with each other. The wire layer includes multiple first wires connected to the multiple common electrode blocks. The auxiliary electrode layer includes multiple auxiliary electrode blocks. The sawtooth-shaped electrodes adjacent to edges of the substrate are fitted with the auxiliary electrode blocks.

Abstract: A pump laser package may include an input fiber to send signal light on a first optical path. A first lens may be arranged on the first optical path. The pump laser package may include a source to send pump light on a second optical path. A second lens and a negative lens may be arranged on the second optical path. The first lens and the negative lens may be arranged to create a virtual image associated with the pump light. The pump laser package may include an output fiber on a third optical path. The first lens may be arranged on the third optical path. The pump laser package may include a combiner to receive the signal light on the first optical path, receive the pump light on the second optical path, and send the signal light and the pump light on the third optical path.

Abstract: An OLED display panel and a display device are provided. The OLED display panel includes an array substrate, a circular polarizing plate disposed on one side of the array substrate, a first stack structure disposed between the array substrate and the circular polarizing plate, and at least one touch-control electrode layer disposed on one side of the first stack structure facing towards and/or facing away the circular polarizing plate. The first stack structure comprising at least one touch-control electrode substrate and at least one compensation film. A sum of phase retardation of the at least one touch-control electrode substrate and the at least one compensation film with respect to a beam of light at a same frequency is smaller than or equal to a predetermined value.

Abstract: A liquid crystal electronic curtain is disclosed. The liquid crystal electronic curtain includes a liquid crystal layer between first and second substrates. The curtain also includes a polarizer on one of a side of the first substrate away from the second substrate, and a side of the second substrate away from the first substrate. The curtain also includes a first electrode layer on a side of the first substrate facing the second substrate. The first electrode layer includes touch display units, and first electrode leads, each connected with one of the touch display units. The touch display units are connected with detection circuits via the first electrode leads. The curtain also includes a second electrode layer disposed on a side of the second substrate facing the first substrate, a driving circuit, and a second electrode lead, where the driving circuit is connected with the second electrode lead.

Abstract: A touch pattern structure of an in-cell capacitive touch screen is disclosed. The touch pattern structure includes a plurality of driving lines in a first direction, the plurality of driving lines being insulated from each other, and a plurality of sensing lines in a second direction, the plurality of sensing lines being insulated from each other. The first direction intersects with the second direction, the driving lines are respectively insulated from the sensing lines, and a mutually-embedded structure is provided on at least a part of opposing sides of the driving lines and the sensing lines.

Abstract: A gate drive circuit, includes a driving transistor and a switching transistor. A gate electrode of the switching transistor is configured to receive first switching signal. A first electrode of the switching transistor is configured to receive second switching signal. A second electrode of the switching transistor is connected to gate electrode of the driving transistor. A first electrode of driving transistor is configured to receive first control signal, and a second electrode of driving transistor is connected to output terminal. During display period, the first control signal is display scanning signal, the first switching signal switches the switching transistor off, the driving transistor is switched on and the driving transistor outputs the display scanning signal.

Abstract: An OLED array substrate is provided. The OLED array includes multiple sub-pixels defined by multiple data lines and multiple scan lines, and a resistance-type pressure sensing element located in non-opening regions of the sub-pixels. The pressure sensing element includes multiple resistors. Each resistor has a serpentine wire structure. The serpentine wire structure includes a first sub-wire and a second sub-wire connected to two adjacent first sub-wires. Both the first sub-wire and the second sub-wire are located in non-opening regions of the sub-pixels on the OLED array substrate. The resistance-type pressure sensing element is arranged in a display region of the OLED array substrate without influencing the display effect of a display panel or a display device. An extension direction of a projection of the first sub-wire on an array substrate intersects with extension directions of projections of the data lines and the scan lines on the array substrate.

Abstract: The present invention discloses a touch panel, a liquid crystal display device and a scanning method thereof. The touch panel includes an array substrate including a common electrode layer, wherein the common electrode layer includes an electromagnetic-capacitive composite structure configured to identify touch signals; wherein, the electromagnetic-capacitive composite structure includes a capacitive touch structure and an electromagnetic touch structure. The electromagnetic touch structure and the capacitive touch structure are integrated on the array substrate, so that the thickness and the cost and complexity of the manufacturing of the touch panel and the liquid crystal display device are effectively reduced.

Abstract: The invention relates to a touch sensor, an in-cell touch liquid crystal display panel and a liquid crystal display. The touch sensor includes a plurality of drive electrodes and a plurality of sense electrodes disposed in a same layer and intersecting each other. The drive electrodes occupy a first area and the sense electrodes occupy a second area different from the first area. Mutual capacitances are formed between the drive electrodes and the sense electrodes. The touch sensor further includes a plurality of virtual electrodes disposed in a third area that does not overlap the first and second areas.