Patent ID: 11881184
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A display device, comprising a display panel and a light emitting substrate, wherein the display panel has a display side and a non-display side opposite to the display side, and the light emitting substrate is provided on the non-display side of the display panel as a backlight unit,
the light emitting substrate comprises a plurality of light emitting units arranged in an array, wherein each light emitting unit comprises a driving circuit, a plurality of light emitting elements, and a driving voltage terminal,
the driving circuit comprises a first input terminal, a second input terminal, and an output terminal,
the driving circuit is configured to output a relay signal through the output terminal in a first period according to a first input signal received by the first input terminal and a second input signal received by the second input terminal, and supply a driving signal to the plurality of light emitting elements sequentially connected in series through the output terminal in a second period,
the plurality of light emitting units are arranged in N rows and M columns and are divided into a plurality of groups, each group of light emitting units comprises X rows and M columns, a total of X*M light emitting units,
in a same group of light emitting units, the X*M light emitting units are sequentially numbered according to row and column distribution positions, an output terminal of a driving circuit of a light emitting unit numbered P is electrically connected with a first input terminal of a driving circuit of a light emitting unit numbered P+1, and the first input terminal of the driving circuit of the light emitting unit numbered P+1 receives a relay signal output by the output terminal of the driving circuit of the light emitting unit numbered P as the first input signal,
N is an integer greater than 0, M is an integer greater than 0, 0<X≤N and X is an integer, and 0<P<X*M and P is an integer.