Patent ID: 11915642
Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The device according to claim 1, wherein the first logic control unit comprises:
the first control unit configured to:
receive the image display data for instructing the display unit to display the static image in the local area, and
acquire a first display duration that the local area maintains displaying the static image from the first timing unit, and
judge whether the first display duration exceeds the first threshold duration,
when the first display duration exceeds the first threshold duration, alternately transmit the preset replacement display data and the image display data to the light-emitting driving unit,
when the first display duration does not exceed the first threshold duration, transmit the image display data to the light-emitting driving unit, wherein the transmission frequency of the replacement display data is the preset maintenance frequency, and the replacement display data is used to enable the display unit to display the replacement color image in the local area.