Patent ID: 11961434
Assignee: HYUNDAI MOBIS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A method for detecting a screen freeze error of a display device in a vehicle, the method comprising:
monitoring a drive pattern of at least one pixel in a porch area during a time period corresponding to a plurality of image frames, wherein the porch area including at least one of a front porch area and a back porch area of a display panel driven according to the plurality of image frames;
determining occurrence of a screen freeze error by comparing the drive pattern of the at least one pixel with a preset drive pattern that includes an RGB value and a flicker period of the at least one pixel; and
determining that a screen of the display device is blackout when the at least one pixel displays a specific RGB value.