Heating electrode device, electrical heating glass, heat-generating plate, vehicle, window for building, sheet with conductor, conductive pattern sheet, conductive heat-generating body, laminated glass, and manufacturing method for conductive heat-generating body

A heat-generating plate comprising:

• a supporting base material;
• a pair of bus bars to which a voltage is applied;
• and
• a heat-generating conductor supported by the supporting base material and connected to the pair of bus bars, wherein
• the heat-generating conductor includes a conductive main thin wire that extends between the pair of bus bars and includes a first large curvature portion having a relatively large curvature and a first small curvature portion having a relatively small curvature, and
• an inclination of a cross sectional area of the first large curvature portion of a cross sectional area of the conductive main thin wire is larger than an inclination of a cross sectional area of the first small curvature portion.

A heat-generating plate that generates heat when a voltage is applied, comprising:

• a pair of glasses;
• a pair of bus bars to which a voltage is applied;
• and
• a heat-generating conductor configured to couple between the pair of bus bars, wherein
• the heat-generating conductor includes a plurality of conductive thin wires that linearly extends between the pair of bus bars and couples between the pair of bus bars, and
• an average Wave of a width W of the conductive thin wire is within a range of the following formula (a) relative to a standard deviation σ of distribution of the width W,
• 0≤4σ/Wave≤0.3 Formula(a)

A heat-generating plate that generates heat when a voltage is applied, comprising:

• a pair of glasses;
• a pair of bus bars to which a voltage is applied;
• and
• a heat-generating conductor configured to couple between the pair of bus bars, wherein
• the heat-generating conductor includes a plurality of main conductive thin wires that linearly extends between the pair of bus bars and couples between the pair of bus bars and a coupling conductive thin wire for coupling between two adjacent main conductive thin wires, and
• each coupling conductive thin wire has three or more different patterns.

A sheet with a conductor used for a heat-generating plate that generates heat when a voltage is applied, comprising:

• a base film;
• a pair of bus bars to which a voltage is applied;
• and
• a heat-generating conductor configured to couple between the pair of bus bars, wherein
• the heat-generating conductor includes a plurality of main conductive thin wires that linearly extends between the pair of bus bars and couples between the pair of bus bars and a coupling conductive thin wire for coupling between two adjacent main conductive thin wires, and
• each coupling conductive thin wire has three or more different patterns.

A manufacturing method for a conductive heat-generating body comprising:

• a step for generating a single curved heat-generating body by connecting a plurality of periodic curved lines having periods and amplitudes that are irregular for each period along a second direction intersecting with a first direction;
• a step for performing normalization processing for adjusting the periods of the plurality of periodic curved lines included in the curved heat-generating body so that a shortest distance is a first limited value in a case where the shortest distance between both ends of the curved heat-generating body exceeds the first limited value;
• a step for generating the single curved heat-generating body again when it is determined whether a ratio obtained by dividing a total length of the normalized curved heat-generating body in the second direction by the first limited value is within a range larger than 1.0 and equal to or less than 1.5 and it is determined that the ratio is not within the range;
• a step for generating the plurality of curved heat-generating bodies arranged separated from each other in the first direction by repeating generation of the single curved heat-generating body and the normalization processing in a position with a predetermined interval from the normalized curved heat-generating body when it is determined that the ratio is within the range;
• a step for adjusting a phase to make the phases of the plurality of curved heat-generating bodies in the second direction be irregular and generating a heat-generating body row including the plurality of curved heat-generating bodies of which a phase has been adjusted;
• and
• a step for forming a pair of bus bar electrodes arranged separated from each other in the second direction on a transparent base material and extending along the first direction and arranging the plurality of heat-generating body rows in the first direction and the second direction between the pair of bus bar electrodes to form a plurality of wavy line conductors connected to the pair of bus bar electrodes and arranged separated from each other in the first direction.

A heat-generating plate that generates heat when a voltage is applied, comprising:

• a pair of glass plates;
• a conductive pattern arranged between the pair of glass plates and defining a plurality of opening regions;
• and
• a bonding layer arranged between the conductive pattern and at least one of the pair of glass plates, wherein
• the conductive pattern includes a plurality of connection elements for extending between two branch points and defining the opening region, and
• the connection elements for connecting the two branch points as a straight line segment is less than 20% of the plurality of connection elements.

A conductive pattern sheet used for a heat-generating plate that generates heat when a voltage is applied, the conductive pattern sheet comprising:

• a base material;
• and
• a conductive pattern provided on the base material and defining a plurality of opening regions, wherein
• the conductive pattern includes a plurality of connection elements extending between two branch points and defining the opening region, and
• the connection elements for connecting the two branch points as a straight line segment are less than 20% of the plurality of connection elements.