| CPC H05K 7/2039 (2013.01) [H05K 5/0221 (2013.01); H05K 5/30 (2025.01); H05K 7/20963 (2013.01)] | 20 Claims |

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1. An electronic device comprising:
at least one electronic panel comprising a substrate, an electronic component disposed on a first surface of the substrate, a circuit board disposed on a second surface of the substrate, the first surface being opposite to the second surface, and the electronic component and the circuit board being electrically connected to each other; and
at least one supporting plate arranged under the electronic panel and comprising an opening through which the circuit board passes, wherein a difference of a thermal expansion coefficient between the substrate and the at least one supporting plate is less than or equal to 4 ppm/° K.
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