US 12,368,135 B2
Display device, and tiled display device including the display device
Hyun Joon Kim, Yongin-si (KR); Jung Hwan Hwang, Yongin-si (KR); Kye Uk Lee, Yongin-si (KR); and Sang Jin Jeon, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Apr. 15, 2024, as Appl. No. 18/636,247.
Application 18/636,247 is a division of application No. 18/062,927, filed on Dec. 7, 2022, granted, now 11,961,822.
Claims priority of application No. 10-2022-0006592 (KR), filed on Jan. 17, 2022; and application No. 10-2022-0060213 (KR), filed on May 17, 2022.
Prior Publication US 2024/0290753 A1, Aug. 29, 2024
Int. Cl. H01L 25/065 (2023.01); G09G 3/3233 (2016.01); H01L 21/66 (2006.01); H01L 23/00 (2006.01); H01L 25/075 (2006.01); H10D 86/01 (2025.01); H10D 86/40 (2025.01); H10D 86/60 (2025.01)
CPC H01L 25/0655 (2013.01) [G09G 3/3233 (2013.01); H01L 25/0753 (2013.01); H10D 86/0221 (2025.01); H10D 86/451 (2025.01); H10D 86/60 (2025.01); G09G 2300/026 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0852 (2013.01); H01L 22/22 (2013.01); H01L 22/32 (2013.01); H01L 24/05 (2013.01); H01L 24/16 (2013.01); H01L 2224/05573 (2013.01); H01L 2224/16227 (2013.01); H01L 2924/12041 (2013.01); H10D 86/411 (2025.01)] 15 Claims
OG exemplary drawing
 
1. A tiled display device comprising:
a plurality of display devices arranged parallel to each other; and
a seam between the plurality of display devices,
wherein a display device of the plurality of display devices comprises:
a substrate comprising a plurality of emission areas respectively corresponding to a plurality of subpixels for displaying an image;
a plurality of anodes respectively located in portions of the plurality of emission areas of a first surface of the substrate and respectively corresponding to the plurality of subpixels;
a plurality of cathodes respectively located in other portions of the plurality of emission areas of the first surface of the substrate and respectively corresponding to the plurality of subpixels;
a plurality of light emitting elements on the plurality of anodes and the plurality of cathodes and respectively corresponding to the plurality of subpixels;
a first planarization layer on the first surface of the substrate and covering the plurality of anodes, the plurality of cathodes and the plurality of light emitting elements; and
an array layer on the first planarization layer,
wherein the array layer comprises a plurality of pixel drivers respectively corresponding to the plurality of subpixels, located in a non-emission area between the plurality of emission areas, each of the plurality of pixel drivers comprising at least one transistor, and
wherein, in an emission area of the plurality of emission areas, a light emitting element of the plurality of light emitting elements is on an anode of the plurality of anodes and a cathode of the plurality of cathodes and connected to a pixel driver of the plurality of pixel drivers through the anode.