US 12,437,699 B2
Display device including a circuit board
Min-Woo Kim, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Mar. 26, 2024, as Appl. No. 18/617,444.
Claims priority of application No. 10-2023-0105835 (KR), filed on Aug. 11, 2023.
Prior Publication US 2025/0054431 A1, Feb. 13, 2025
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/2092 (2013.01) [G09G 2300/0847 (2013.01); G09G 2310/0205 (2013.01); G09G 2370/08 (2013.01); G09G 2370/14 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including pixels; and
a circuit board electrically connected to the display panel,
wherein the circuit board includes:
a base film having a first area overlapping at least a portion of a connector and a second area spaced apart from the connector; and
a unit signal line disposed on the base film, electrically connected to the connector, and having a first characteristic impedance in the first area and a second characteristic impedance in the second area, the second characteristic impedance being smaller than the first characteristic impedance.