Abstract: A display panel and a display apparatus, in which the display panel include sub-pixels, shift registers, and pixel driving circuits. The sub-pixels include first sub-pixels located in the first display area and second sub-pixels located in the second display area, the first sub-pixels are used for achieving the display of the first display area, and the second sub-pixels are used for achieving the display of the second display area. The shift register is configured to provide a control signal to the scanning line, so as to make the first sub-pixel emit light by controlling the first circuit. The pixel driving circuits include first circuits configured to drive the first sub-pixels, second circuits configured to drive the second sub-pixels, and dummy areas.

Abstract: A display panel and a display apparatus, and the display panel includes sub-pixels, pixel driving circuits, and connection lines. The sub-pixels include first sub-pixels located in the first display area and second sub-pixels located in the second display area. The pixel driving circuits include first circuits and second circuits located in the second display area. The first circuits are configured to drive the first sub-pixels located in the first display area and located in the second display area. The connection lines include first connection lines, at least a part of the first connection line extends along a first direction and is located at a side of the first circuit.

Abstract: Provided are a display panel and a display device. The display panel includes a substrate and a plurality of pixel units disposed on the substrate. Each pixel unit includes a driving circuit and a light-emitting component, the driving circuit is disposed between the substrate and the light-emitting component, and the driving circuit is used for driving a corresponding light-emitting component to emit light. At least one light-emitting component is a micro Light Emitting Diode (LED). For a pixel unit in which the light-emitting component is the micro LED, the driving circuit at least includes a first thin film transistor, and a source and a drain of the first thin film transistor are disposed in a source-drain layer. A first electrode of the micro LED is electrically connected to a source or a drain of a corresponding first thin film transistor.

Abstract: A display panel includes an array substrate, an organic light-emitting layer, a thin film encapsulation layer, multiple micro LEDs and multiple drive signal lines. The organic light-emitting layer is disposed on a side of the array substrate and includes organic light-emitting elements. The thin film encapsulation layer is disposed on a side of the organic light-emitting layer facing away from the array substrate, covers the organic light-emitting layer, and includes a plurality of thin film encapsulation sub-layers sequentially stacked. The micro LEDs are disposed on a side of at least one of the plurality of thin film encapsulation sub-layers facing away from the organic light-emitting layer. The drive signal lines are electrically connected to the micro LEDs and configured to transmit a drive signal to the micro LEDs, and the drive signal lines are disposed in contact with at least one of the thin film encapsulation sub-layers.

Abstract: Disclosed are a pixel circuit, a drive method thereof and a display panel. The pixel circuit includes: a discharge module, a storage module, a comparison module, and a drive module. The drive module is configured to drive, according to a voltage outputted through the output end of the comparison module, a light-emitting module to emit light. In a light-emitting phase, the discharge module discharges the storage module; and the comparison module compares an input voltage received from the first input end with a reference voltage received from the second input end and outputs, to the control end of the drive module, a constant voltage for turning on the drive module or a voltage for turning off the drive module, so that the drive module generates a constant drive current when being turned on.

Abstract: Provided is a transfer printing substrate and a method for producing the same, in order to improve yield of picking up of the micro-components and further improve quality of image display. The transfer printing substrate includes a carrying substrate, a plurality of supporting structures, and a plurality of micro-components corresponding to the plurality of support structures in one-to-one correspondence, wherein each of the plurality of supporting structures includes a fixing part and a suspended supporting part, wherein an end of the fixing part is fixed on the carrying substrate, an end of the suspended supporting part is connected to the fixing part, the other end of the suspended supporting part supports a corresponding one of the plurality of micro-components, and a first moving space is provided between the suspended supporting part and the carrying substrate. The transfer printing substrate is used for transferring the micro-components.

Abstract: Disclosed are a pixel circuit, a drive method thereof and a display panel. The pixel circuit includes: a discharge module, a storage module, a comparison module, and a drive module. The drive module is configured to drive, according to a voltage outputted through the output end of the comparison module, a light-emitting module to emit light. In a light-emitting phase, the discharge module discharges the storage module; and the comparison module compares an input voltage received from the first input end with a reference voltage received from the second input end and outputs, to the control end of the drive module, a constant voltage for turning on the drive module or a voltage for turning off the drive module, so that the drive module generates a constant drive current when being turned on.

Abstract: A display panel includes an array substrate, an organic light-emitting layer, a thin film encapsulation layer, multiple micro LEDs and multiple drive signal lines. The organic light-emitting layer is disposed on a side of the array substrate and includes organic light-emitting elements. The thin film encapsulation layer is disposed on a side of the organic light-emitting layer facing away from the array substrate, covers the organic light-emitting layer, and includes a plurality of thin film encapsulation sub-layers sequentially stacked. The micro LEDs are disposed on a side of at least one of the plurality of thin film encapsulation sub-layers facing away from the organic light-emitting layer. The drive signal lines are electrically connected to the micro LEDs and configured to transmit a drive signal to the micro LEDs, and the drive signal lines are disposed in contact with at least one of the thin film encapsulation sub-layers.

Abstract: Provided are a display panel and a display device. The display panel includes a substrate and a plurality of pixel units disposed on the substrate. Each pixel unit includes a driving circuit and a light-emitting component, the driving circuit is disposed between the substrate and the light-emitting component, and the driving circuit is used for driving a corresponding light-emitting component to emit light. At least one light-emitting component is a micro Light Emitting Diode (LED). For a pixel unit in which the light-emitting component is the micro LED, the driving circuit at least includes a first thin film transistor, and a source and a drain of the first thin film transistor are disposed in a source-drain layer. A first electrode of the micro LED is electrically connected to a source or a drain of a corresponding first thin film transistor.

Abstract: The present disclosure provides an organic electroluminescent display panel including a plurality of pixel cells arranged into a matrix on a base substrate. Each pixel cell includes at least two subpixels arranged next to each other along a first direction. Each subpixel includes a light transmission region, an opaque emission region, and an emission region arranged along a second direction with the opaque emission region being disposed between the light transmission region and the emission region. The second direction and the first direction are perpendicular to each other. For the at least two subpixels in each pixel cell, the opaque emission regions are arranged in one straight line along the first direction, the light transmission regions are arranged in two straight lines along the first direction, and the emission regions are also arranged in the two straight lines along the first direction in which the light transmission regions are arranged.

Abstract: A Micro LED transferring method, a Micro LED display panel and a Micro LED display device are provided. The Micro LED display panel includes a substrate, a pixel defining layer including multiple openings, first conducting layer located in the multiple openings, photosensitive conductive bonding layers and Micro LED structures. The photosensitive conductive bonding layer is solidified after receiving light, such that elements adhered on two opposite surfaces of the photosensitive conductive bonding layer are bonded together. Due to the photosensitive conductive bonding layer, a Micro LED is detected during a transferring process rather than after a bonding process, thereby eliminating a step of removing a bonded abnormal Micro LED, thus simplifying the detecting and repairing processes of Micro LEDs.

Abstract: A transfer head, a transfer head array, and a method for transferring an inorganic light-emitting diode are provided. The transfer head for transferring an inorganic light-emitting diode includes a first groove and a second groove. The first groove and the second groove are arranged sequentially in a first direction, and are connected to each other. The first groove is configured to provide an inlet and an outlet for the inorganic light-emitting diode to enter and exit the transfer head. After the inorganic light-emitting diode enters the second groove through the first groove, at least a partial structure of the inorganic light-emitting diode is confined in the second groove. Picking up and transferring the inorganic light-emitting diode is realized by the transfer head with a simple structure.

Abstract: A transfer head, a transfer head array, and a method for transferring an inorganic light-emitting diode are provided. The transfer head for transferring an inorganic light-emitting diode includes a first groove and a second groove. The first groove and the second groove are arranged sequentially in a first direction, and are connected to each other. The first groove is configured to provide an inlet and an outlet for the inorganic light-emitting diode to enter and exit the transfer head. After the inorganic light-emitting diode enters the second groove through the first groove, at least a partial structure of the inorganic light-emitting diode is confined in the second groove. Picking up and transferring the inorganic light-emitting diode is realized by the transfer head with a simple structure.

Abstract: Provided is a pixel drive circuit including: a first transistor, configured to transmit a signal of a first power source voltage end to a first node in response to an enable signal of a light-emitting signal control end; a first drive transistor, configured to generate a drive current on a conduction path from the first node to a third node according to an enable signal of a second node, the first drive transistor being an N-type transistor; a second drive transistor, configured to generate a drive current on the conduction path from the first node to the third node according to an enable signal of the second node, the second drive transistor being a P-type transistor; and a second transistor, configured to transmit a signal of a polarity switching signal end to the second node in response to an enable signal of a first scan signal end.

Abstract: A Micro LED transferring method, a Micro LED display panel and a Micro LED display device are provided. The Micro LED display panel includes a substrate, a pixel defining layer including multiple openings, first conducting layer located in the multiple openings, photosensitive conductive bonding layers and Micro LED structures. The photosensitive conductive bonding layer is solidified after receiving light, such that elements adhered on two opposite surfaces of the photosensitive conductive bonding layer are bonded together. Due to the photosensitive conductive bonding layer, a Micro LED is detected during a transferring process rather than after a bonding process, thereby eliminating a step of removing a bonded abnormal Micro LED, thus simplifying the detecting and repairing processes of Micro LEDs.

Abstract: Provided is a transfer printing substrate and a method for producing the same, in order to improve yield of picking up of the micro-components and further improve quality of image display. The transfer printing substrate includes a carrying substrate, a plurality of supporting structures, and a plurality of micro-components corresponding to the plurality of support structures in one-to-one correspondence, wherein each of the plurality of supporting structures includes a fixing part and a suspended supporting part, wherein an end of the fixing part is fixed on the carrying substrate, an end of the suspended supporting part is connected to the fixing part, the other end of the suspended supporting part supports a corresponding one of the plurality of micro-components, and a first moving space is provided between the suspended supporting part and the carrying substrate. The transfer printing substrate is used for transferring the micro-components.

Abstract: Provided is a pixel drive circuit including: a first transistor, configured to transmit a signal of a first power source voltage end to a first node in response to an enable signal of a light-emitting signal control end; a first drive transistor, configured to generate a drive current on a conduction path from the first node to a third node according to an enable signal of a second node, the first drive transistor being an N-type transistor; a second drive transistor, configured to generate a drive current on the conduction path from the first node to the third node according to an enable signal of the second node, the second drive transistor being a P-type transistor; and a second transistor, configured to transmit a signal of a polarity switching signal end to the second node in response to an enable signal of a first scan signal end.

Abstract: The present disclosure provides an organic electroluminescent display panel including a plurality of pixel cells arranged into a matrix on a base substrate. Each pixel cell includes at least two subpixels arranged next to each other along a first direction. Each subpixel includes a light transmission region, an opaque emission region, and an emission region arranged along a second direction with the opaque emission region being disposed between the light transmission region and the emission region. The second direction and the first direction are perpendicular to each other. For the at least two subpixels in each pixel cell, the opaque emission regions are arranged in one straight line along the first direction, the light transmission regions are arranged in two straight lines along the first direction, and the emission regions are also arranged in the two straight lines along the first direction in which the light transmission regions are arranged.