To enhance invisibility of a conductive pattern of a defroster device.SOLUTION: A heating plate 10 includes: a pair of glass plates 11, 12; a conductive pattern 40 arranged between the pair of glass plates 11, 12 and including a conductive thin line 50; and junction layers 13, 14 arranged between the conductive pattern 40 and at least one out of the pair of glass plates 11, 12. In a cross-section orthogonal to an extending direction of the conductive thin line 50, the conductive thin line 50 includes: a narrow part 55 in an intermediate part 51 along the normal direction of the heating plate 10; a first broad part 56, having a larger width than the narrow part 55, on one side of the pair of glass plates 11, 12 of the narrow part 55, along a normal direction of the heating plate 10; and a second broad part 57, having a larger width than the narrow part 55, on the other side of the pair of glass plates 11, 12 of the narrow part 55, along the normal direction of the heating plate 10.SELECTED DRAWING: Figure 7
【課題】デフロスタ装置の導電性パターンの不可視性を向上させる。【解決手段】発熱板10は、一対のガラス板11,12と、一対のガラス板11,12の間に配置され、導電性細線50を含む導電性パターン40と、導電性パターン40と一対のガラス板11,12の少なくとも一方との間に配置された接合層13,14と、を備え、導電性細線50は、導電性細線50の延在方向に直交する断面において、発熱板10の法線方向に沿った中間部51に幅狭部55を有し、発熱板10の法線方向に沿って幅狭部55の一対のガラス板11,12の一方の側に、幅狭部55よりも大きい幅を有する第1の幅広部56を有し、発熱板10の法線方向に沿って幅狭部55の一対のガラス板11,12の他方の側に、幅狭部55よりも大きい幅を有する第2の幅広部57を有する。【選択図】図7
HEATING PLATE, CONDUCTIVE PATTERN SHEET, AND VEHICLE HAVING THE HEATING PLATE
発熱板、導電性パターンシートおよび発熱板を備えた乗り物
2019-07-25
Patent
Electronic Resource
Japanese
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