US 12,243,448 B2
Flexible display device having supporting layer
Kuo Chang Lee, Hsinchu (TW); Yi-Sheng Lin, Hsinchu (TW); and Chen-Chu Tsai, Hsinchu (TW)
Assigned to E Ink Holdings Inc., Hsinchu (TW)
Filed by E Ink Holdings Inc., Hsinchu (TW)
Filed on Jan. 24, 2022, as Appl. No. 17/582,005.
Claims priority of application No. 110114703 (TW), filed on Apr. 23, 2021.
Prior Publication US 2022/0343807 A1, Oct. 27, 2022
Int. Cl. G06F 1/16 (2006.01); G09F 9/30 (2006.01)
CPC G09F 9/301 (2013.01) 13 Claims
OG exemplary drawing
 
1. A flexible display device comprising:
a supporting layer having two non-folding regions and a folding region between the two non-folding regions, wherein the folding region has a central region and two edge regions, each of the two edge regions is located between one of the two non-folding regions and the central region, and open porosities of the two edge regions are different from an open porosity of the central region, the central region has a plurality of first openings, each of the two edge regions has a plurality of second openings, the open porosities of the two edge regions gradually increase from the two non-folding regions towards the central region, the second openings are arranged in a plurality of columns in the two edge regions, each of the columns extends in a widthwise direction of the supporting layer, and the number of the second openings in each of the columns gradually increases from the central region to the two non-folding regions; and
a flexible display panel located on the supporting layer.