Abstract: A light-emitting structure includes a substrate and a plurality of light-emitting units arranged in an array and spaced apart on the substrate. In the light-emitting unit, the second-type doped layer and the first-type doped layer are in contact with opposite sides of the light-emitting layer. The surface of the second-type doped layer facing away from the substrate is flush with the surface of the first-type doped layer facing away from the substrate. The first-type electrode is in contact with the surface of the first-type doped layer facing away from the substrate, and the second-type electrode is in contact with the surface of the second-type doped layer facing away from the substrate. The surface of the first-type electrode facing away from the substrate is flush with the surface of the second-type electrode facing away from the substrate.

Abstract: A driving substrate, a micro LED transfer device and a micro LED transfer method are provided. A side surface of the driving substrate is arranged with a binding metal layer, a positioning layer is arranged around the binding metal layer, and a width of the positioning layer at a position away from the driving substrate is less than that a width at a position close to the driving substrate.

Abstract: A display panel includes a drive backplane and a plurality of light-emitting chips arranged on the drive backplane. Each of the light-emitting chips includes an N-type semiconductor layer, a multi-quantum well layer and a P-type semiconductor layer arranged on the undoped semiconductor layer in sequence and an undoped semiconductor layer. The undoped semiconductor layer is provided with a conductive via. The light-emitting chip further includes a conductive pattern portion, a part of the conductive pattern portion is located in the conductive via and is in contact with the N-type semiconductor layer, and another part of the conductive pattern portion protrudes from the conductive via and is connected to the drive backplane.

Abstract: Disclosed are a display panel and a display apparatus. The display panel includes a driving backplane, a light-emitting functional layer and a pixel definition layer. The driving backplane includes a main pixel driving unit, the pixel definition layer includes a plurality of pixel openings, and the light-emitting functional layer includes a plurality of main light-emitting units. At least part of the main light-emitting unit is located in the corresponding pixel opening, and the main light-emitting unit is electrically connected to the main pixel driving unit. The driving backplane further includes a compensation unit including a photosensitive assembly, a light-emitting compensation assembly and a sub pixel driving assembly, in which the photosensitive assembly is electrically connected to the main pixel driving unit.

Abstract: A display panel and a display device are provided in the disclosure. The display panel includes a carrier substrate, multiple emitting units disposed on the carrier substrate, and multiple light absorbing and reflecting assemblies. The multiple light absorbing and reflecting assemblies are disposed in correspondence with the multiple light emitting units and each of the multiple light absorbing and reflecting assemblies defines an opening, and where the light absorbing and reflecting assembly is configured to reflect at least part of light emitted by the light emitting unit to radiate through the opening, and to absorb external ambient light.

Abstract: A display driving circuit includes a first transistor, a storage subcircuit, a compensation subcircuit, a data writing subcircuit, a light-emitting control subcircuit and a reverse bias subcircuit. The storage subcircuit is connected to a control terminal of the first transistor through a first node and to the first transistor through a second node. The compensation subcircuit is connected to a first light-emitting control line, the first transistor and a power supply high-voltage terminal. The data writing subcircuit is connected to a data line, a scan line and the first node. The light-emitting control subcircuit is connected to a second light-emitting control line, a second node and an anode of the display light-emitting subcircuit, a cathode of the display light-emitting subcircuit is connected to the scan line. The reverse bias subcircuit is connected to the scan line, a third node and the power supply high-voltage terminal.

Abstract: A mass transfer assembly includes a temporary substrate and a transfer substrate. The temporary substrate is configured to adhere electrodes of each light-emitting element on a growth substrate, to separate each light-emitting element from the growth substrate, such that a light-emitting body of each light-emitting element is suspended. The transfer substrate is configured to adhere, through adhesion regions, a light-emitting body of each light-emitting element on the temporary substrate, to separate each light-emitting element from the temporary substrate, such that electrodes of each light-emitting element are suspended. One adhesion region adheres a light-emitting body of one light-emitting element. Positions of the adhesion regions on the transfer substrate are in one-to-one correspondence with positions of binding regions on a driving substrate.

Abstract: A pixel structure includes: a gate electrode disposed on a base substrate; a gate insulation layer covering the gate electrode; a source electrode, an active region, a drain electrode, a first doped region and a secondary electrode metal layer disposed on an upper surface of the gate insulation layer sequentially; two second doped regions at two ends of an upper surface of the active region; and a passivation layer covering source electrode, a portion of the active region exposed to the second doped regions, the second doped regions, the drain electrode, the first doped region and the secondary electrode metal layer. The passivation layer is provided with a primary pixel electrode and a secondary pixel electrode disposed thereon, the primary pixel electrode is connected to the drain electrode, and the secondary pixel electrode is connected to the secondary electrode metal layer.

Abstract: A method includes forming a light emitting chip on a surface of a growth substrate; forming a transfer film layer on a transient substrate; forming an electrode fixing structure on a side of the transfer film layer away from the transient substrate, and opening a through-wire hole in the transfer film layer adjacent to the electrode fixing structure; making the growth substrate opposite to the transient substrate; making the light emitting transfer structure opposite to a driving backplane; and forming a connection wire, a portion of the connection wire is connected to the binding-point electrode through the through-wire hole, and another portion of the connection wire is connected to the electrode fixing structure.

Abstract: A display driving circuit includes a first transistor, a storage subcircuit, a compensation subcircuit, a data writing subcircuit, a light-emitting control subcircuit and a reverse bias subcircuit. The storage subcircuit is connected to a control terminal of the first transistor through a first node and to the first transistor through a second node. The compensation subcircuit is connected to a first light-emitting control line, the first transistor and a power supply high-voltage terminal. The data writing subcircuit is connected to a data line, a scan line and the first node. The light-emitting control subcircuit is connected to a second light-emitting control line, a second node and an anode of the display light-emitting subcircuit, a cathode of the display light-emitting subcircuit is connected to the scan line. The reverse bias subcircuit is connected to the scan line, a third node and the power supply high-voltage terminal.

Abstract: A LED chip transfer method comprises: providing a driving substrate having at least one set of binding points, the set of binding points comprising a first and second binding points; forming a compensation layer covering the first and second binding points; providing a chip substrate comprising a substrate and chips; performing a first alignment treatment to form a first groove and a second groove on the compensation layer; forming a first and second via holes spaced from each other by the first groove and the second groove, forming a first transfer electrode and a second transfer electrode disconnected from each other on the compensation layer, inserting the first pin and the second groove into the first groove and the second groove to bind with the first transfer electrode and the second transfer electrode; and stripping the substrate from the chip.

Abstract: A display panel includes a drive backplane, the drive backplane being provided with a binding layer for fixing a light-emitting chip, and the display panel further includes a photoresistor disposed on a surface of the drive backplane and arranged close to the binding layer, the photoresistor having a resistance for being increased when the light-emitting chip is in an abnormal state, and the binding layer being configured to be in a molten state under an action of heat generated by the photoresistor when the light-emitting chip is in the abnormal state. The technical solution of the present application can reduce the damage of the binding layer and ensure that the normal light-emitting chip can be effectively repaired and replaced.

Abstract: A driving substrate, a micro LED transfer device and a micro LED transfer method are provided. A side surface of the driving substrate is arranged with a binding metal layer, a positioning layer is arranged around the binding metal layer, and a width of the positioning layer at a position away from the driving substrate is less than that a width at a position close to the driving substrate.

Abstract: A LED chip transfer method comprises: providing a driving substrate having at least one set of binding points, the set of binding points comprising a first and second binding points; forming a compensation layer covering the first and second binding points; providing a chip substrate comprising a substrate and chips; performing a first alignment treatment to form a first groove and a second groove on the compensation layer; forming a first and second via holes spaced from each other by the first groove and the second groove, forming a first transfer electrode and a second transfer electrode disconnected from each other on the compensation layer, inserting the first pin and the second groove into the first groove and the second groove to bind with the first transfer electrode and the second transfer electrode; and stripping the substrate from the chip.

Abstract: A growth substrate and the display panel include a substrate, including chip growth regions arranged at intervals and in an array and a non-growth region located among chip growth regions. The growth substrate includes a refraction structure disposed on the substrate. An orthographic projection of the refraction structure on the substrate covers the non-growth region without overlapping with at least parts of the chip growth regions. The refraction structure is configured to refract light corresponding to the non-growth region to positions corresponding to the chip growth regions. The substrate has a first surface and a second surface and light emitting chips are grown in the chip growth regions of the first surface. The refraction structure is disposed on the second surface, an orthographic projection on the substrate covers the non-growth region, and one side, away from the substrate, of the refraction structure is a light incident side.

Abstract: A display device includes a substrate, a display unit, a binding unit, and an encapsulation layer. The substrate includes an effective display region and a non-display region adjacent to the effective display region, and includes a silicon-containing compound material. The display unit is arranged in the effective display region. The binding unit is arranged in the non-display region and includes a binding portion and signal connection lines. Two ends of the signal connection line are connected to the display unit and the binding portion, respectively. The encapsulation layer wraps the display unit and a part of the signal connection lines The encapsulation layer covers a portion of each of the plurality of signal connection lines, at least a portion of each of the plurality of signal connection lines disposed inside a region covered by the encapsulation layer is configured as a heavily doped semiconductor connection line.

Abstract: A display panel includes a drive backplane and a plurality of light-emitting chips arranged on the drive backplane. Each of the light-emitting chips includes an N-type semiconductor layer, a multi-quantum well layer and a P-type semiconductor layer arranged on the undoped semiconductor layer in sequence and an undoped semiconductor layer. The undoped semiconductor layer is provided with a conductive via. The light-emitting chip further includes a conductive pattern portion, a part of the conductive pattern portion is located in the conductive via and is in contact with the N-type semiconductor layer, and another part of the conductive pattern portion protrudes from the conductive via and is connected to the drive backplane.

Abstract: A display panel and a display device are provided in the disclosure. The display panel includes a carrier substrate, multiple emitting units disposed on the carrier substrate, and multiple light absorbing and reflecting assemblies. The multiple light absorbing and reflecting assemblies are disposed in correspondence with the multiple light emitting units and each of the multiple light absorbing and reflecting assemblies defines an opening, and where the light absorbing and reflecting assembly is configured to reflect at least part of light emitted by the light emitting unit to radiate through the opening, and to absorb external ambient light.

Abstract: A pixel structure includes: a gate electrode disposed on a base substrate; a gate insulation layer covering the gate electrode; a source electrode, an active region, a drain electrode, a first doped region and a secondary electrode metal layer disposed on an upper surface of the gate insulation layer sequentially; two second doped regions at two ends of an upper surface of the active region; and a passivation layer covering source electrode, a portion of the active region exposed to the second doped regions, the second doped regions, the drain electrode, the first doped region and the secondary electrode metal layer. The passivation layer is provided with a primary pixel electrode and a secondary pixel electrode disposed thereon, the primary pixel electrode is connected to the drain electrode, and the secondary pixel electrode is connected to the secondary electrode metal layer.

Abstract: A display structure comprises pixel areas. At least one side of each of the pixel areas is provided with a viewing angle adjustment area. Each of the pixel areas is provided with light emitting part for emitting light, the viewing angle adjusting part includes a light shielding part and an adjusting electrode. The light shielding part has a narrow viewing angle position for shielding light from light emitting part and a wide viewing angle position for avoiding light from the light emitting part. The adjusting electrode is disposed corresponding to the light shielding part. The adjusting electrode forms an electric field, to drive the light shielding part is driven by the electric to move between the narrow viewing angle position and the wide viewing angle position.