Light-emitting substrate and display device
AssigneeTcl China Star Optoelectronics Technology Co., Ltd.
InventorsYan Li, Yihe Zhang, Lixia Li, Haiyan Quan, Duyeon Han
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Abstract
A light-emitting substrate and a display device are provided by the present application. The durations of pre-set periods of a plurality of driving circuits decrease along a direction from close to data signal input terminals to away from the data signal input terminals, and/or durations of the pre-set periods of the plurality of driving circuits decrease along a direction from close to first control signal input terminals to away from the first control signal input terminals, which the light-emitting luminance of the light-emitting elements at a near-end and far-end solving a display problem with the display device.
Claims20
A light-emitting substrate, comprising:
- a plurality of data lines, wherein each of the data lines comprises a data signal input terminal;
- a plurality of first control signal lines, wherein each of the first control signal lines comprises a first control signal input terminal;
- and
- a plurality of driving circuits, wherein each of the driving circuits comprises:
- a light-emitting element;
- a switching transistor, wherein a gate electrode of the switching transistor is connected to the first control signal line, and a first electrode of the switching transistor is connected to the data line;
- a driving transistor, wherein a gate electrode of the driving transistor is connected to a second electrode of the switching transistor, and one of a first electrode or a second electrode of the driving transistor is connected to the light-emitting element;
- and
- a control unit, wherein the control unit is in series connection with connected to one of the first electrode or the second electrode of the driving transistor, wherein when the switching transistor is in an on state, the control unit is in an off state during a pre-set period, the switching transistor is in an on state during periods other than the pre-set period, and the driving transistor driving the light-emitting element to emit light during the periods other than the pre-set period when the switching transistor is in an on state,
- wherein durations of the pre-set periods of the plurality of driving circuits decrease along a direction from close to the data signal input terminals to away from the data signal input terminals, or
- durations of the pre-set periods of the plurality of driving circuits decrease along a direction from close to the first control signal input terminals to away from the first control signal input terminals.
A display device comprising a light-emitting substrate, wherein the light-emitting substrate comprises:
- a plurality of data lines, wherein each of the data lines comprises a data signal input terminal;
- a plurality of first control signal lines, wherein each of the first control signal lines comprises a first control signal input terminal;
- and
- a plurality of driving circuits, wherein each of the driving circuits comprises:
- a light-emitting element;
- a switching transistor, wherein a gate electrode of the switching transistor is connected to the first control signal line, and a first electrode of the switching transistor is connected to the data line;
- a driving transistor, wherein a gate electrode of the driving transistor is connected to a second electrode of the switching transistor, and one of a first electrode or a second electrode of the driving transistor is connected to the light-emitting element;
- and
- a control unit, wherein the control unit is in series connection with connected to one of the first electrode or the second electrode of the driving transistor, wherein when the switching transistor is in an on state, the control unit is in an off state during a pre-set period, the switching transistor is in an on state during periods other than the pre-set period, and the driving transistor driving the light-emitting element to emit light during the periods other than the pre-set period when the switching transistor is in an on state;
- wherein durations of the pre-set periods of the plurality of driving circuits decrease along a direction from close to the data signal input terminals to away from the data signal input terminals, or
- durations of the pre-set periods of the plurality of driving circuits decrease along a direction from close to the first control signal input terminals to away from the first control signal input terminals.
Dependencies are inferred from the claim text.