US 11,947,208 B2
Display panel and display device
Jing-Xuan Chen, Tainan (TW); Cheng-Yen Yeh, Taichung (TW); Mu-Kai Kang, Tainan (TW); Sz-Kai Huang, Taichung (TW); and Ming-Chang Yu, Taichung (TW)
Assigned to HANNSTAR DISPLAY CORPORATION, Taipei (TW)
Filed by HANNSTAR DISPLAY CORPORATION, Taipei (TW)
Filed on Aug. 15, 2022, as Appl. No. 17/887,539.
Claims priority of application No. 202111049872.3 (CN), filed on Sep. 8, 2021.
Prior Publication US 2023/0071568 A1, Mar. 9, 2023
Int. Cl. G02F 1/1333 (2006.01); G02F 1/13357 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01)
CPC G02F 1/13338 (2013.01) [G02F 1/133603 (2013.01); G06F 3/0412 (2013.01); G06F 3/0446 (2019.05); G06F 2203/04111 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a first substrate;
a plurality of light emitting elements disposed on the first substrate;
a touch sensing structure disposed on the first substrate, wherein the touch sensing structure is disposed on a side of the plurality of light emitting elements away from a light emitting surface of the plurality of light emitting elements;
a conductive layer disposed between the plurality of light emitting elements and the first substrate, wherein the conductive layer comprises at least a portion of the touch sensing structure, a plurality of first contacts or a plurality of second contacts, and the plurality of light emitting elements are electrically connected to the plurality of first contacts and the plurality of second contacts;
a plurality of first electrode conducting lines and a plurality of second electrode conducting lines, wherein the plurality of first electrode conducting lines are extended in a first direction, the plurality of second electrode conducting lines are extended in a second direction, a plurality of pixels are defined by the plurality of first electrode conducting lines and the plurality of second electrode conducting lines crossing each other, and one of the plurality of light emitting elements is electrically connected to one of the plurality of first electrode conducting lines and one of the plurality of second electrode conducting lines, wherein the touch sensing structure comprises a plurality of sensing electrodes electrically connected to each other, and one of the plurality of sensing electrodes is corresponded to one of the plurality of pixels;
a first conductive layer disposed on the first substrate, and the first conductive layer comprising:
the plurality of first electrode conducting lines;
the plurality of first contacts electrically connected to the plurality of first electrode conducting lines;
the plurality of sensing electrodes; and
a plurality of first bridge lines extending in the first direction, wherein two adjacent ones of the plurality of sensing electrodes in the first direction are electrically connected to each other through one of the plurality of first bridge lines; and
a second conductive layer disposed on the first conductive layer, wherein the plurality of light emitting elements are disposed on the second conductive layer, and the second conductive layer comprises:
the plurality of second electrode conducting lines;
the plurality of second contacts electrically connected to the plurality of second electrode conducting lines; and
a plurality of second bridge lines extending in the second direction, wherein two adjacent ones of the plurality of sensing electrodes in the second direction are electrically connected to each other through one of the plurality of second bridge lines,
wherein the conductive layer is the first conductive layer or the second conductive layer.