US 11,837,589 B2
Tiled display device
Tae Woo Lim, Cheonan-si (KR); Hyung June Kim, Seongnam-si (KR); Eun Je Jang, Hwaseong-si (KR); and Jang Bog Ju, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Aug. 25, 2021, as Appl. No. 17/412,079.
Claims priority of application No. 10-2020-0146707 (KR), filed on Nov. 5, 2020.
Prior Publication US 2022/0139892 A1, May 5, 2022
Int. Cl. H01L 25/16 (2023.01); G09F 9/302 (2006.01); H01L 25/075 (2006.01)
CPC H01L 25/162 (2013.01) [G09F 9/3026 (2013.01); H01L 25/0753 (2013.01); H01L 25/167 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A tiled display device comprising:
a first display device;
a second display device located at one side of the first display device in a first direction;
a first chassis disposed under the first display device to support the first display device; and
a second chassis disposed under the second display device to support the second display device,
wherein:
an end portion of the first chassis and an end portion of the second chassis are directly connected to each other;
an end portion of the first display device and an end portion of the second display device come into direct contact with each other;
a reference line extending along a portion where the end portion of the first display device and the end portion of the second display device come into direct contact with each other is defined;
the end portion of the first chassis includes first chassis convex portions protruding from the reference line to one side in the first direction, and first chassis concave portions recessed from the reference line to the other side in the first direction, which are alternately arranged;
the end portion of the second chassis includes second chassis convex portions protruding from the reference line to the other side in the first direction, and second chassis concave portions recessed from the reference line to one side in the first direction, which are alternately arranged; and
the first display device overlaps the first chassis concave portion and the second chassis convex portion in a thickness direction which crosses the first direction and the second direction.
 
10. A tiled display device comprising:
a first display device;
a second display device located at one side of the first display device in a first direction;
a first chassis disposed under the first display device to support the first display device; and
a second chassis disposed under the second display device to support the second display device,
wherein:
an end portion of the first chassis and an end portion of the second chassis are directly connected to each other;
an end portion of the first display device and an end portion of the second display device come into direct contact with each other;
a reference line extending along a portion where the end portion of the first display device and the end portion of the second display device come into direct contact with each other is defined;
the end portion of the first chassis includes first chassis convex portions protruding from the reference line to one side in the first direction, and first chassis concave portions recessed from the reference line to the other side in the first direction, which are alternately arranged;
the end portion of the second chassis includes second chassis convex portions protruding from the reference line to the other side in the first direction, and second chassis concave portions recessed from the reference line to one side in the first direction, which are alternately arranged;
pitches of the first chassis convex portions and pitches of the first chassis concave portions, which are alternately arranged, are uniform;
pitches of the second chassis convex portions and pitches of the second chassis concave portions, which are alternately arranged, are uniform;
the first chassis convex portions and the second chassis concave portions correspond to each other;
the second chassis convex portions and the first chassis concave portions correspond to each other;
the first chassis convex portion includes a first-1 chassis convex portion protruding from the reference line by a first width, and a first-2 chassis convex portion protruding from the reference line by a third width; and
the third width is greater than the first width.
 
18. A tiled display device comprising:
a first display device;
a second display device located at one side of the first display device in a first direction;
a first chassis disposed under the first display device to support the first display device; and
a second chassis disposed under the second display device to support the second display device,
wherein:
an end portion of the first chassis and an end portion of the second chassis are directly connected;
an end portion of the first display device and an end portion of the second display device come into direct contact with each other;
wherein:
the first chassis includes:
a first convex portion located at one side in a second direction crossing the first direction and protruding in the first direction from a reference line extending in the second direction by a first width;
a second convex portion located at one side in a second direction and protruding in the first direction from the reference line by a second width; and
a third convex portion located between the first connection portion and the second connection portion and protruding in the first direction from the reference line by a third width, and
the third width is greater than each of the first width and the second width.