Chengdu BOE Optoelectronics Technology Patente

A display panel and a display apparatus. The display panel comprises: a base substrate (BS); a plurality of subpixels (100), which are located on the base substrate (BS), each subpixel (100) comprising a light-emitting region (160); and a black matrix (200), which comprises a plurality of openings (201), one opening (201) being correspondingly provided outside the light-emitting region (160) of each subpixel (100), wherein for the same subpixel (100), the distance between the orthographic projection of the opening on the base substrate (BS) and the orthographic projection of the light-emitting region on the base substrate (BS) is an outward expansion value (K), and the outward expansion values of at least three of subpixels adjacent to the same subpixel (100) are different from the outward expansion value of the subpixel, so as to mitigate diffraction, thereby improving the display quality.

Provided is a display panel (10), including: a base substrate (101); a first auxiliary electrode layer (102), a first anode layer (103), a first light-emitting layer (104) and a first cathode layer (105) that are stacked in sequence, in a direction away from the base substrate (101), in the first display region (101a); and a second auxiliary electrode layer (106), a second anode layer (107), a second light-emitting layer (108), and a second cathode layer (109) that are sequentially laminated, in the direction away from the base substrate (101), in the second display region (101b); wherein the first auxiliary electrode layer (102) is connected to the first cathode layer (105) and the second auxiliary electrode layer (106), and the second cathode layer (109) is connected to the first cathode layer (105), the second cathode layer (109) is provided with at least one through hole.

This disclosure provides a display panel and device. The display panel includes a base substrate, and a gate driving circuit and a selection control line that are disposed on the base substrate, the gate driving circuit includes multiple cascaded shift registers, and each shift register includes a selection unit including a first selection control transistor, a second selection control transistor and a selection control node; the selection control node controls whether a gate driving signal output terminal of the shift register to which the selection control node belongs outputs an active level; a first electrode of the first selection control transistor is coupled to the selection control line, a second electrode of the first selection control transistor is coupled to a first electrode of the second selection control transistor, and a second electrode of the second selection control transistor is coupled to the selection control node; a channel region of the second selection control transistor is greater in length than a channel region of the first selection control transistor.

A display substrate and a display device are provided. The display substrate (100) comprises a display region (101), a blocking region (201), and an opening region (301), wherein the blocking region (201) is located between the display region (101) and the opening region (301); the blocking region (201) comprises a first blocking wall (202), a first intercepting wall (203), and a second blocking wall (204) that are sequentially arranged in a direction from the display region (101) to the opening region (301); the first blocking wall (202) comprises a first metal layer structure (202B); at least one side of the first metal layer structure (202B) surrounding the opening region (301) is provided with a notch; the first intercepting wall (203) comprises a first insulating layer structure; the second blocking wall (204) comprises a second metal layer structure (204B) and a first laminating structure (204A); at least one side of the second metal layer structure (204B) surrounding the opening region (301) is provided with the notch; the first laminating structure (204A) comprises a laminate that is provided with a metal layer and an insulating layer. The display substrate (100) joins a photographing device and the display region (101) of the display substrate (100), and has a better packaging effect.

A display substrate includes a display area, a barrier wall disposing area, and a hole area, the display area surrounds the barrier wall disposing area, the barrier wall disposing area surrounds the hole area, and the method for manufacturing the display substrate includes: after a first electrode of a light emitting device of the display substrate is formed, removing a protective layer of the barrier wall disposing area, and exposing at least one circle of an initial barrier wall covered by the protective layer, the initial barrier wall is disposed around the hole area; and etching the at least one circle of the initial barrier wall, to form at least one circle of a barrier wall, a notch is formed on at least one side surface of the barrier wall.

A shift register unit, a driving method of the shift register unit, a display driving circuit and a display device are provided, belonging to the field of display technology. In the shift register unit, an input circuit can transmit power supply signals with different potentials to a control node in different time periods in response to an input signal and clock signals, and two output circuits can both transmit power supply signals with different potentials to connected output terminals in different time periods in response to the potential of the control node. Therefore, it can be determined that the shift register unit comprises both P-type transistors and N-type transistors, and the two output circuits therein can output signals to the connected output terminals independently of each other. On this basis, by flexibly adjusting the potentials of the power supply signals, drive signals with required potentials can be reliably transmitted to pixels in areas with different refresh frequencies through the drive output terminal connected to the pixels, so as to support the partial-refresh function. The shift register unit has a simple structure and rich functions.

A display substrate and a preparation method thereof are provided. The display substrate (200/300/400) includes a display region (201/301/401) and an opening region (2011/3011/4011), the display region (200/300/400) surrounds the opening region (2011/3011/4011), a first barrier wall (2012/3012/4012) is between the display region (201/301/401) and the opening region (2011/3011/4011), and the first barrier wall (2012/3012/4012) surrounds the opening region (2011/3011/4011); the first barrier wall (2012/3012/4012) includes a first metal layer structure. The display substrate combines the imaging device with the display region of the display substrate and has a better encapsulation effect.

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