HEAT RAY-SHIELDING STRUCTURE, HEAT RAY-SHIELDING SHEET, HEAT RAY-SHIELDING INTERLAYER, AND LAMINATED GLASS

To provide a heat ray-shielding structure having high heat-shielding properties while securing safety, because the heat-shielding properties can be improved without causing cost increase and diffused transmission light in the overall visible light region can be reduced, the structure being accepted by society and having a high-performance heat ray-shielding function; and to provide a heat ray-shielding sheet, a heat ray-shielding interlayer, an interlayer for transparent substrate, and a laminated glass.SOLUTION: A heat ray-shielding structure has a heat ray-reflecting film (A) having a repeated multilayer structure including a high refractive index layer and a low refractive index layer, where a maximum reflection rate of the heat ray-reflecting film satisfies the following conditions (1) to (3): the condition (1): 20% or more in a range of 380 nm or more and less than 450 nm; the condition (2): 20% or less in a range of 500 nm or more and less than 650 nm; and the condition (3): 20% or more in a range of 800 nm or more and less than 1,000 nm.SELECTED DRAWING: Figure 1 【課題】本発明の熱線遮蔽構造体は、コストアップすることなく遮熱特性も改良でき、さらに可視光領域全体の拡散透過光を低減することができるため、安全性を担保した上で高い遮熱特性を有するものである。すなわち本発明の熱線遮蔽構造体によって、社会に受け入れられ易く、高性能な熱線遮蔽機能を有する構造体や、熱線遮蔽シート、熱線遮蔽中間膜、透明基材用中間膜、及び合せガラスを提供する。【解決手段】（Ａ）高屈折率層および低屈折率層の繰り返し多層構造を有する熱線反射膜を有し、該熱線反射膜の極大反射率が以下条件（１）〜（３）を満たす熱線遮蔽構造体。条件（１）３８０ｎｍ以上４５０ｎｍ未満において２０％以上、条件（２）５００ｎｍ以上６５０ｎｍ未満において２０％以下、条件（３）８００ｎｍ以上１０００ｎｍ未満において２０％以上【選択図】図１