US 12,106,732 B2
Display device
Wontae Kim, Hwaseong-si (KR); and Jae-Han Lee, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Feb. 28, 2022, as Appl. No. 17/682,892.
Claims priority of application No. 10-2021-0027955 (KR), filed on Mar. 3, 2021.
Prior Publication US 2022/0293064 A1, Sep. 15, 2022
Int. Cl. H05K 1/14 (2006.01); G09G 5/00 (2006.01); H05K 1/18 (2006.01); H10K 59/131 (2023.01)
CPC G09G 5/003 (2013.01) [H05K 1/147 (2013.01); H05K 1/189 (2013.01); H10K 59/131 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel in which pixels are arranged;
a first circuit board configured to provide a first driving signal to the display panel; and
a second circuit board connecting the display panel and the first circuit board and having a first region in which a driving chip providing a second driving signal to the display panel is arranged and a second region surrounding the first region, the first region and the second region being defined in the second circuit board,
wherein:
the second circuit board comprises a first line electrically connected to the driving chip and a second line electrically insulated from the driving chip;
the second line comprises a common line in the first region; and
a width of the common line decreases as the common line becomes farther away from the first circuit board on a plane.