Semiconductor device, display device, photoelectric conversion device, electronic device and image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorKAZUYA NOTSU
Life of this patent
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Abstract
A semiconductor device, includes: a substrate having an effective element area on which a functional element is disposed, and a peripheral area that surrounds the effective element area, the substrate having a terminal portion in at least a portion of the peripheral area a first wiring board connected to the substrate via the terminal portion of the substrate; and a drive circuit chip having a drive circuit, and connected to the first wiring board, wherein a thermal conductivity of the first wiring board is equal to or higher than a thermal conductivity of the substrate and of the drive circuit chip.
Claims15
A semiconductor device, comprising:
- a substrate having an effective element area on which a functional element is disposed, and a peripheral area that surrounds the effective element area, the substrate having a terminal portion in at least a portion of the peripheral area;
- a first wiring board connected to the substrate via the terminal portion of the substrate;
- and
- a drive circuit chip having a drive circuit, and connected to the first wiring board, wherein
- a thermal conductivity of the first wiring board is equal to or higher than a thermal conductivity of the substrate and of the drive circuit chip.
Dependencies are inferred from the claim text.