Abstract: Provided are a data current generation circuit, a driving method therefor, a driver chip, and a display panel, where a threshold capture module of the data current generation circuit is connected between a gate and a second electrode of a first transistor and is configured to capture a threshold voltage of the first transistor, a data voltage generation module is configured to generate a data voltage, a data voltage transmission module is connected between the data voltage generation module and a threshold voltage acquisition and superposition module and is configured to transmit the data voltage generated by the data voltage generation module to the threshold voltage acquisition and superposition module when the data voltage transmission module is turned on, and the threshold voltage acquisition and superposition module is configured to acquire the threshold voltage of the first transistor.

Abstract: Provided are a display panel, a control method thereof, and a display device. The control method includes: acquiring a correspondence between temperature and voltage information of a first cathode of a first sub-pixel among a plurality of first sub-pixels, a correspondence between temperature and information about a voltage difference between an auxiliary electrode and the first cathode, and current temperature information of the display panel; and determining voltage adjustment information of the first cathode and the auxiliary electrode according to the current temperature information, the correspondence between temperature and the voltage information of the first cathode, and the correspondence between temperature and the information about the voltage difference between the auxiliary electrode and the first cathode so as to adjust the voltage difference between the first cathode and the auxiliary electrode so that a display color purity of the first sub-pixels meets a preset requirement.

Abstract: Provided are a pixel circuit, a silicon-based display panel, and a display device. The pixel circuit includes a pixel drive circuit and a pixel compensation circuit; the pixel drive circuit includes a drive transistor and an organic light-emitting element; the drive transistor includes an output terminal and a body terminal, where the output terminal is connected to an anode of the organic light-emitting element, and the body terminal is connected to a body signal input terminal and configured to receive a body potential inputted from the body signal input terminal, the body potential being fixed; and a cathode of the organic light-emitting element is connected to the pixel compensation circuit at a first node, a potential of the first node is a cathode potential, and the cathode potential Vcom, a crossover voltage Voled of the organic light-emitting element, and the body potential Vbody satisfy that Vcom+Voled>Vbody.

Abstract: An organic light-entitling display panel and a manufacturing method thereof are provided. The organic light-emitting display panel includes a substrate, a first electrode, a pixel definition layer with openings to expose a part of the first electrode. A fence structure, including a plurality of fences arranged in parallel to each other and to the substrate, is formed on the first electrode within the openings. A light-emitting functional layer and a second electrode are deposited in sequence on the fence structure by using a slanted evaporation method that results in a thickness distribution of the second electrode that the thickness on the top of the fences is greater than the thickness between each fences.

Abstract: Provided is a data driving circuit, including: a pixel current generation circuit including an input terminal and an output terminal and configured to generate a pixel current based on a data voltage inputted via the input terminal, wherein the output terminal of the pixel current generation circuit is configured to be connected to a pixel circuit; and a first operational amplifier including a first input terminal connected to the output terminal of the pixel current generation circuit, a second input terminal, and an output terminal. A first voltage is inputted via the second input terminal of the first operational amplifier and is positively related to the data voltage, and the output terminal of the first operational amplifier is configured to be connected to the pixel circuit; and wherein the first operational amplifier is configured to generate a bias current based on the first voltage.

Abstract: The present disclosure describes a display panel and a circuit to generate a data signal current included thereof. The circuit further comprises a signal voltage module to generate a primary signal voltage and send to a second storage capacitor in a control module to output a data signal voltage. The second storage capacitor is coupled to a first storage capacitor and a gate of a current output transistor, so that the primary signal voltage is stored at the joint node. A threshold voltage of the current output transistor, generated by a voltage compensation module, is then added on to the gate of the current output transistor, so that an output current compensated by the threshold voltage is realized.

Abstract: An OLED display panel includes a substrate and a pixel array on the substrate, each pixel includes a group of subpixels, and each subpixel includes a light-emitting element and a color filter element. Among the color filter elements in the subpixel group, there is a first color filter element which is substantially transparent for light of the longest wavelength. Except a periphery of the pixel array, every M first color filter elements from M adjacent pixels abut against each other to form a seamless color filter block, where M?2.

Abstract: The present disclosure relates to an OLED display panel including a substrate and a plurality of pixels located on the substrate. Each of the plurality of pixels includes a subpixel of a first color and at least two subpixels of different colors, wherein the subpixel of the first color emits light in a longest average wavelength among the other subpixels. The subpixel of the first color is guarded by subpixels of different colors in a manner that to maximize the distance from the subpixel of the first color to an adjacent pixel. Benefiting from these arrangements, color mixing and image blurring originated from optical diffraction effect particularly by long wavelength light are minimized.

Abstract: An OLED display panel comprises a plurality of concave-convex structures in each sub-pixel, and a light-emitting layer conformal to the concave-convex structure. The number of the concave-convex structures in each pixel varies depending upon the distance from center to peripheral of the OLED display panel, to compensate brightness variations caused by voltage drops and improve white balance of display image.

Abstract: An OLED display panel comprises a pixel array and a substrate. The pixel array includes a plurality of pixels, each of the pixel includes multiple sub-pixels. Each of the sub-pixels includes multiple layers stacked in processing sequence on the substrate, a driving circuit layer, an uneven surface layer, and a light-emitting layer. The uneven surface layer includes a plurality of concave-convex structures. In each pixel, there are at least two sub-pixels corresponding to different colors respectively, and possessing different numbers of concave-convex structures, respectively. Moreover, those sub-pixels corresponding to a same color in the pixel array possess a same number of concave-convex structures. The light-emitting layer conformal to the concave-convex structures has increased surface area, so that the effective light-emitting area of the display panel is increased and the brightness of the OLED display panel is enhanced accordingly.

Abstract: The present disclosure relates to a pixel circuit and a display device. The pixel circuit includes: a pixel unit including: an operation current generating module including a gate voltage terminal and a drain voltage terminal and adapted to generate an operation current based on a voltage at the gate voltage terminal; and a light-emitting control module connected in series with the operation current generating module and adapted to control whether or not to provide the operation current to a light-emitting device based on a light-emitting control signal; and a driving control circuit, including: a feedback module for receiving a first input voltage and a data current and adapted to provide a feedback loop between the gate voltage terminal and the drain voltage terminal; and a data current module adapted to provide the data current.

Abstract: An organic light-emitting display (OLED) panel includes a substrate and a light-emitting pixel array disposed on the substrate and including a plurality of light-emitting pixels, each of the plurality of light-emitting pixels includes a concave structure, a light-emitting layer, a planarization layer, and a convex microlens which are sequentially stacked up and aligned up on the substrate in such a manner that light emitted in an angle perpendicular to the light-emitting layer on the concave structure pass through an focal point of the convex microlens.

Abstract: An organic light-emitting diode display panel includes a substrate and a light-emitting pixel array disposed on the substrate, and the light-emitting pixel array includes a plurality of light-emitting pixels. Each of the plurality of light-emitting pixels comprises a convex structure layer, a light-emitting element, a planarization layer and a microlens structure which are sequentially stacked on the substrate. The convex structure layer comprises at least one convex structure which is convex in a direction facing away from the substrate and at least one convex surface where each of the at least one convex structure is in contact with the light-emitting element. The microlens structure and convex structure are aligned each other that their vertical projections on the substrate overlap with a vertical projection of the light-emitting element on the substrate.

Abstract: The present disclosure provides a display panel. The display panel includes a short circuit protection circuit, a pixel driving circuit, and an organic light-emitting element. The short circuit protection circuit includes a detection circuit electrically connected to the organic light-emitting element, and a control circuit electrically connected to the detection circuit and the pixel driving circuit. The detection circuit is configured to detect whether the organic light-emitting element is short-circuited. The control circuit is configured to control, in response to a detection result of the detection circuit, whether the pixel driving circuit performs driving. In the present disclosure, the display panel includes a plurality of pixel units arranged in rows and columns. This prevents the pixel driving circuit from burning the organic light-emitting element that is short-circuited or other adjacent organic light-emitting element.

Abstract: A forming method for a silicon-based display panel includes providing a silicon substrate having a display region and a peripheral region surrounding the display region, providing a first set of photomasks corresponding to the display region, using the first set of photo masks in an exposure process of the display region, providing a second set of photomasks corresponding to the peripheral region, and using the second set of photomasks in an exposure process of the peripheral region. The exposure process of the display region and the exposure process of the peripheral region are different process steps. According to the forming method for the silicon-based display panel, splicing of pixel patterns in the display region is not carried out, so that the yield and the display effect are improved.

Abstract: Provided are a pixel circuit, a silicon-based display panel, and a display device. The pixel circuit includes a pixel drive circuit and a pixel compensation circuit; the pixel drive circuit includes a drive transistor and an organic light-emitting element; the drive transistor includes an output terminal and a body terminal, where the output terminal is connected to an anode of the organic light-emitting element, and a cathode of the organic light-emitting element is connected to a cathode signal input terminal and configured to receive a cathode potential inputted from the cathode signal input terminal, the cathode potential being fixed; the body terminal is connected to the pixel compensation circuit at a first node, and a potential of the first node is a body potential; and the cathode potential Vcom, a crossover voltage Voled of the organic light-emitting element, and the body potential Vbody satisfy that Vcom+Voled>Vbody.

Abstract: The present disclosure describes a display panel and a circuit to generate a data signal current included thereof. The circuit further comprises a signal voltage module to generate a primary signal voltage and send to a second storage capacitor in a control module to output a data signal voltage. The second storage capacitor is coupled to a first storage capacitor and a gate of a current output transistor, so that the primary signal voltage is stored at the joint node. A threshold voltage of the current output transistor, generated by a voltage compensation module, is then added on to the gate of the current output transistor, so that an output current compensated by the threshold voltage is realized.

Abstract: An OLED panel includes a substrate, a first electrode layer, a pixel definition layer, a light-emitting layer, a second electrode layer, a conductive wall, a planarization layer, and a third electrode layer. The planarization layer is disposed on a surface of the second electrode layer facing away from the substrate and includes second openings; the conductive wall is disposed in the second openings, is made of an elastic material, and includes peaks and valleys spaced apart from each other; the third electrode layer is disposed on a side of the conductive wall facing away from the substrate and is in contact with the peaks.

Abstract: An OLED panel includes a light emitting substrate and a color filter substrate. The light-emitting substrate includes a multi-layer OLED film emitting white light. The color filter substrate includes a color filter array, a conductive layer that is electrically connected to a wall-shaped elastic conductor that is wearing a metal cap. The two substrates are laminated together in a manner that the metal cap is in direct contact with cathode electrode of the OLED at the site of pixel definition layer. The total resistance of the cathode layer of the OLED is therefore reduced significantly, and voltage-drop on cathode and associated image artifacts are minimized.

Abstract: The present invention provides a top-emission type micro cavity OLED display device, comprising: an array substrate; a reflection metal layer arranged on the array substrate; an anode modulation layer arranged on the reflection metal layer and made of a translucent conductive material; an organic light-emitting layer arranged on the anode modulation layer and not patterned; and a cathode layer arranged on the organic light-emitting layer. The top-emission type micro cavity OLED display device comprises a plurality of sub-pixels, and the anode modulation layer is divided into a plurality of anode modulation electrodes corresponding to the plurality of sub-pixels; the plurality of sub-pixels is at least classified into a first type sub-pixel, a second type sub-pixel and a third type sub-pixel; the first to third type sub-pixels display different colors, and the anode modulation electrodes corresponding to the first to third type sub-pixels have different thicknesses.