Abstract: A two-channel burner includes a pulverized coal supply mechanism, a transition channel, an inner secondary air guide tube, an outer secondary air guide tube, a combustion stabilizing chamber, and a flow smoothing chamber. The outer secondary air guide tube, the combustion stabilizing chamber, and the flow smoothing chamber are sequentially connected to form a burner body. The pulverized coal supply mechanism passes through an interior of the burner body. The transition channel is fitted over the pulverized coal supply mechanism. The inner secondary air guide tube is disposed between the transition channel and the outer secondary air guide tube and forms an inner secondary air passage together with the transition channel, and forms an outer secondary air passage together with the outer secondary air guide tube. An outlet end of the inner secondary air guide tube is formed to have a flared opening.

Abstract: A display substrate includes a main display area, a secondary display area and a transition area; the secondary display area includes an aperture region, a first peripheral region and a second peripheral region, at least part of the first peripheral region being located between the aperture region and the second peripheral region; the aperture region includes display sub-pixels; the first peripheral region includes display sub-pixels and first virtual sub-pixels; the second peripheral region includes display sub-pixels and second virtual sub-pixels; the density of the display sub-pixels of the aperture region, the density of the display sub-pixels of the first peripheral region and the density of the display sub-pixels of the second peripheral region are the same; at least part of the transition area is located between the main display area and the second peripheral region; the main display area and the transition area both includes display sub-pixels.

Abstract: A display substrate includes a display region and a peripheral region on a periphery of the display region. At least multiple sub-pixels are arranged in the display region. At least one sub-pixel includes a pixel driving circuit arranged on an underlay substrate and a light emitting element connected with the pixel driving circuit. The pixel driving circuit is connected with a first initial signal line. The first initial signal line is arranged to provide a first initial voltage to the light emitting element under the control of the pixel driving circuit. A first power line and a signal connection line are arranged in the peripheral region. The first initial signal line is connected with the first power line through the signal connection line in the peripheral region.

Abstract: A shift register unit, a scanning drive circuit, a display substrate and a display device. The shift register unit includes an output end, a node control end, a first output node control circuit, a second node control circuit, a second output node control circuit and an output circuit, the second node control circuit is electrically connected to a first clock signal line, the node control end, the first output node and the second node; the first output node control circuit is electrically connected to the second node and the first output node and is configured to control a potential of the first output node; the second output node control circuit is electrically connected to the second node and the second output node; the output circuit is electrically connected to a first output node, a second output node, a first voltage line, a second voltage line and an output end.

Abstract: A head up display system, including: a display screen used for displaying an image; an imaging lens arranged on a light exit side of the display screen and used for imaging an image displayed on the display screen; and a curved reflecting mirror arranged on the side of the imaging lens facing away from the display screen and used for receiving imaging light of the imaging lens and reflecting said light to the position where human eyes are located. Relative positions of the display screen and the imaging lens are fixed, and the imaging lens and the curved reflecting mirror adopt a separate structure.

Abstract: An operation method is applied to a terminal device, and the terminal device includes a first screen that is bendable and a second screen that is disposed on a side frame of the terminal device. The method includes: displaying shortcut function icons on the second screen in a case that the first screen is bent and displays an information input box; receiving a first input operation performed on a target function icon in the shortcut function icons; and in response to the first input operation, executing a function corresponding to the target function icon.

Abstract: A display substrate and a display device are provided. The display substrate includes first sub-pixel circuits, first light emitting units, second sub-pixel circuits and second light emitting units. The display substrate includes a pixel circuit column group including a first pixel circuit column, a second pixel circuit column, a third pixel circuit column and a fourth pixel circuit column which are respectively connected with a first data line, a second data line, a third data line and a fourth data line. The second data line, the third data line and the fourth data line are disconnected to form first breaks, data lines at two side of the first break are connected with the first sub-pixel circuit and the second sub-pixel circuit respectively; the second data line is connected with the third data line or the fourth data line at the first break through a data line connection portion.

Abstract: Disclosed are a display substrate, a preparation method thereof, and a display device. The display substrate includes a display region and a bonding region on one side of the display region. The bonding region at least includes a lead area. The display region includes a plurality of data lines and a plurality of data fanout lines. The lead area includes a plurality of lead wires. Orthographic projections of the plurality of data lines and the plurality of data fanout lines on a plane of the display substrate are at least partially overlapped. A first end of at least one data fanout line is connected to the lead wire, and a second end of the at least one data fanout line extends in a direction away from the lead area, to be connected to the data line.

Abstract: A shift register unit, a scanning drive circuit, a display substrate, and a display device are provided. The shift register unit includes an output end, a node control end, a first output node control circuit, a second output node control circuit and an output circuit, the second node control circuit is electrically connected to a first clock signal line, the node control end, the first output node and the second node; the first output node control circuit is electrically connected to the second node and the first output node and is configured to control a potential of the first output node; the second output node control circuit is electrically connected to the second node and the second output node; the output circuit is electrically connected to a first output node, a second output node, a first voltage line, a second voltage line and an output end.

Abstract: A display substrate and a display device are provided. The display substrate includes a first display region and a second display region, the first display region includes first light emitting unit groups and first pixel circuit groups connected with the first light emitting unit groups; the second display region includes second light emitting unit groups and second pixel circuit groups connected with the second light emitting unit groups; a density of the second light emitting unit groups is smaller than that of the first light emitting unit groups. The second pixel circuit groups include first pixel circuit units each including a first pixel circuit and a second pixel circuit, and at least two pixel circuits in the first pixel circuit unit are configured to be electrically connected with a same light emitting unit.

Abstract: A display substrate includes: a base substrate having a display region and a peripheral region surrounding the display region; a plurality of sub-pixels in the display region; a plurality of data lines in the display region, electrically coupled to the plurality of sub-pixels respectively, and configured to provide a data signal to the plurality of sub-pixels respectively; a plurality of pads in the peripheral region, wherein at least a portion of the plurality of pads are configured to provide a data signal to the plurality of data lines respectively; at least one test data signal line in the peripheral region; at least one test control signal line in the peripheral region; and a plurality of test units in the peripheral region and on a side of the plurality of pads away from the display region.

Abstract: A display substrate and a display device are provided. The display substrate includes a first display region including first light emitting unit groups and first pixel circuit groups connected with the first light emitting unit groups, a second display region including second light emitting unit groups, second pixel circuit groups connected with the second light emitting unit groups and third pixel circuit groups, and a third display region including third light emitting unit groups connected with the third pixel circuit groups. Each light emitting unit group includes light emitting units of different colors. The light emitting unit includes a main body electrode, an area of the main body electrode of at least one color light emitting unit in a non-edge region of the second display region is greater than that of a main body electrode of the same color light emitting unit in the first display region.

Abstract: A display substrate and display apparatus are provided. The display substrate includes: a base substrate, including a display area and a bezel area; a plurality of pixel units located in the display area and arranged in an array along a row direction and a column direction on the base substrate; a plurality of scanning signal lines; a gate driver circuit located in the bezel area; a plurality of load compensation units located in the bezel area, the plurality of load compensation units are located between the gate driver circuit and the plurality of pixel units; and a plurality of scanning signal lead wires located in the bezel area and configured to transmit a scanning signal output by the gate driver circuit to the scanning signal lines, where at least one of the scanning signal lead wires crosses at least one of the load compensation units in the row direction.

Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate including a display area (AA) and a peripheral area (PA); a plurality of sub-pixels (Pxl); a plurality of pins a plurality of leads located in the peripheral area (PA), wherein the plurality of pins electrically connected to the plurality of sub-pixels (Pxl) through the plurality of leads ; a plurality of extension pads electrically connected to the plurality of pins; and a plurality of spacers configured to electrically insulate the plurality of extension pads from each other , wherein orthographic projections of the plurality of spacers on the base substrate do not overlap orthographic projections of the plurality of extension pads on the base substrate .

Abstract: A display substrate and a display device are provided. In the display substrate, a first display region includes a first light emitting unit column and a second light emitting unit column each connected with a column of first sub-pixel circuits; a second display region includes a third light emitting unit column and a fourth light emitting unit column each connected with a column of first sub-pixel circuit pairs; each second sub data line is connected with each second light emitting unit column, and each fourth sub data line is connected with each fourth light emitting unit column. The first sub-pixel circuits connected with the fourth light emitting unit column and the first sub-pixel circuits connected with the second light emitting unit column are located in different columns, and the second sub data line and the fourth sub data line are connected by a data line connection portion.

Abstract: The present disclosure provides a display substrate, a manufacturing method and a display device. The display substrate includes a display region, and a non-display region surrounding the display region and including an encapsulation adhesive region surrounding the display region. The display substrate further includes an encapsulation base layer arranged at the encapsulation adhesive region; and a fanout layer arranged at the non-display region and including a first reuse portion. An orthogonal projection of the first reuse portion onto a base substrate of the display substrate at least partially overlaps an orthogonal projection of a first target region of the encapsulation adhesive region onto the base substrate, and the first reuse portion is reused as the encapsulation base layer at the first target region.

Abstract: A display substrate and a display device are provided, the display substrate includes: a base substrate and a plurality of reset signal lines, the base substrate includes a display region, each of the sub-pixels includes a pixel driving circuit and a light-emitting element, the light-emitting element includes a light-emitting region and a first electrode, the pixel driving circuit is configured to drive the light-emitting element to emit light; orthographic projections of the first electrodes of the light-emitting elements of the sub-pixels of the pixel units on a board surface of the base substrate at least partially overlap with orthographic projections of the pixel driving circuits of the sub-pixels of the plurality of pixel units on the board surface of the base substrate, and are located on a same side of the reset signal lines electrically connected to the pixel driving circuits of the sub-pixels of the plurality of pixel units.

Abstract: A display substrate and a display device are provided, which includes: a base substrate, a plurality of reset signal lines and a first electrode layer, the first electrode layer includes a plurality of first power supply voltage lines, a plurality of first signal lines, a plurality of first transfer electrodes, a plurality of second transfer electrodes and a plurality of third transfer electrodes, a value of a ratio of an area of an overlapping portion of an orthographic projection of the first body sub-portion and an orthographic projection of the first electrode layer on the board surface of the base substrate, and an area of an overlapping portion of an orthographic projection of the second body sub-portion on the board surface of the base substrate and the orthographic projection of the first electrode layer on the board surface of the base substrate ranges from 0.82 to 1.02.

Abstract: Embodiments of the present disclosure provide a display panel, a display device including the display panel and a method for fabricating the display panel. The display panel comprises a display area and a non-display area surrounding the display area. The display panel includes a pixel array, an edge of which defines a boundary between the display area and the non-display area, wherein the non-display area includes a first area and a second area arranged in sequence in a direction away from the pixel array; a compensation circuit configured to compensate for a parasitic capacitance of pixel in the pixel array, and including a first portion located in the first area and a second portion located in the second area; and a first shift register located in the second area. The second portion of the compensation circuit is aligned with the first shift register circuit in a circumferential direction of the pixel array.

Abstract: A shift register unit, a scanning driving circuit, a display substrate and a display device. The shift register unit includes an output terminal, an output circuit and an output node control circuit. The output circuit is electrically coupled to a first output node, a second output node, a first voltage line, a second voltage line and the output terminal, respectively. The output node control circuit is electrically coupled to the first output node, the second output node, a third voltage line, a fourth voltage line, a fifth voltage line, a first clock signal line, a second clock signal line and an input terminal, respectively. At least one of a third voltage signal, a fourth voltage signal and a fifth voltage signal is different from a first voltage signal and ae second voltage signal.