US 12,111,528 B2
Tiling display device
JungJae Kim, Goyang-si (KR); SoonDong Cho, Gumi-si (KR); JaeWon Han, Goyang-si (KR); and MinGyu Park, Seoul (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Jul. 15, 2021, as Appl. No. 17/377,165.
Claims priority of application No. 10-2020-0103843 (KR), filed on Aug. 19, 2020.
Prior Publication US 2022/0059644 A1, Feb. 24, 2022
Int. Cl. G02F 1/1333 (2006.01); H10K 59/18 (2023.01); H10K 59/131 (2023.01)
CPC G02F 1/13336 (2013.01) [H10K 59/18 (2023.02); H10K 59/131 (2023.02)] 12 Claims
OG exemplary drawing
 
1. A tiling display device, comprising:
a plurality of display devices; and
a main circuit board driving the plurality of display devices,
wherein each of the plurality of display devices includes,
a display panel that displays an image;
one or more flexible films bonded to a rear surface of the display panel; and
a printed circuit board electrically connected to the one or more flexible films,
wherein a plurality of printed circuit boards of the plurality of display devices are cascaded to each other,
wherein the plurality of printed circuit boards have a same shape,
wherein a first printed line to an n-th printed line are disposed on each of the plurality of printed circuit boards, where n is a natural number of 2 or more, and
wherein the first printed line to an m-th printed line of a first printed circuit board are respectively connected to a (m+1)th printed line to a 2m-th printed line of a second printed circuit board adjacent to the first printed circuit board, where m is a natural number less than n or equal to n, and
wherein the display panel includes a micro-light emitting diode (LED), the micro-LED including an n-type semiconductor layer, a p-type semiconductor layer, and a light emitting layer.