US 11,723,123 B2
High speed image refresh system
Ronald Johannes Bonne, Plainfield, IL (US); and Udo Karbowski, Aachen (DE)
Assigned to Lumileds LLC, San Jose, CA (US)
Filed by Lumileds LLC, San Jose, CA (US)
Filed on Jun. 8, 2021, as Appl. No. 17/341,725.
Application 17/341,725 is a continuation of application No. 16/456,862, filed on Jun. 28, 2019, granted, now 11,083,055.
Claims priority of provisional application 62/729,257, filed on Sep. 10, 2018.
Claims priority of application No. 18203445 (EP), filed on Oct. 30, 2018.
Prior Publication US 2021/0298138 A1, Sep. 23, 2021
Int. Cl. H05B 45/10 (2020.01); B60Q 1/14 (2006.01)
CPC H05B 45/10 (2020.01) [B60Q 1/143 (2013.01); B60Q 2300/054 (2013.01); B60Q 2300/42 (2013.01); B60Q 2300/45 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for driving a light emitting diode (LED) array, the method comprising:
determining an image is to be displayed by the LED array, the LED array comprising thousands of pixels; and
in response to determining that the image is to be displayed by the LED array:
determining whether valid image data has been received at an image frame buffer for a first predetermined number of frames;
in response to determining that valid image data has been received at the image frame buffer for the first predetermined number of frames, driving the LED array using the image data to generate the image; and
in response to determining that valid image data has not been received at the image frame buffer for the first predetermined number of frames, driving the LED array using standby image data from a standby image buffer to generate the image.