CPC G06F 1/189 (2013.01) [G09G 3/3275 (2013.01); H01L 27/124 (2013.01); H01L 27/3276 (2013.01); G06F 1/1626 (2013.01); H01L 2227/323 (2013.01)] | 19 Claims |
1. A display device, comprising:
a display panel including a signal pad; and
a circuit board comprising a connection pad including a first connection pad portion and a second connection pad portion,
wherein the connection pad is in contact with the signal pad; and
wherein a first surface roughness between the first connection pad portion and the signal pad is different from a second surface roughness between the second connection pad portion and the signal pad.
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