Patent ID: 11955042
Assignee: HKC CORPORATION LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A display panel, comprising a display region and a non-display region surrounding the display region, the non-display region being provided with a plurality of sensing components, wherein
the plurality of sensing components each are configured to generate a first signal when the display panel is in a flattened state;
when the display panel is in a partially-rolled state, the display panel comprises a flattened part and a rolled part, a sensing component in the flattened part is configured to generate the first signal, and a sensing component in the rolled part is configured to generate a second signal; and
the plurality of sensing components each are configured to generate the second signal when the display panel is in a fully-rolled state;
wherein the display panel further comprises a controller electrically coupled with each of the plurality of sensing components, and configured to control, according to the first signal and the second signal, the flattened part to display an image when the display panel is in the partially-rolled state; and
each sensing component of the plurality of sensing components comprises:
a first input end;
a first detection end coupled with the controller;
a second input end;
a second detection end coupled with the controller;
a first resistor coupled between the first input end and the first detection end;
a second resistor coupled between the first detection end and the second input end;
a third resistor coupled between the second input end and the second detection end; and
a fourth resistor coupled between the second detection end and the first input end, wherein
a voltage difference between the first input end and the second input end is greater than zero; and
when the display panel is in the partially-rolled state,
for a sensing component in the flattened part, resistance values of the first resistor, the second resistor, the third resistor, and the fourth resistor are equal, and the sensing component is configured to generate the first signal; and
for a sensing component in the rolled part, resistance values of the first resistor and the third resistor are different from resistance values of the second resistor and the fourth resistor, and the sensing component is configured to generate the second signal;

wherein the display panel further comprises a first power line and a second power line, a voltage difference between the first power line and the second power line is greater than zero, the first input end of each of the plurality of sensing components is electrically coupled with the first power line, and the second input end of each of the plurality of sensing components is electrically coupled with the second power line.