DIMMER LAMINATE AND RESIN SPACER FOR DIMMER LAMINATE

• Main Authors: NAKAJIMA MINORU, YAMADA YASUYUKI, UEDA SAORI, TAKAHASHI HIDEYUKI
• Format: Patent
• Language: English; Japanese
• Published: 10.08.2023
• Subjects: DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

To provide a dimmer laminate capable of effectively suppressing occurrences of color unevenness and light omission.SOLUTION: A dimmer laminate includes a first transparent base material, a second transparent base material, and a dimmer layer arranged between the first transparent base material and the second transparent base material, wherein the dimmer layer contains a resin spacer, the resin spacer is a plurality of resin particles, the resin spacer does not contain resin particles having a particle diameter that is 1.4 times or more of the average particle diameter of the resin particles, or contains 0.0006% or less of the resin particles having the particle diameter that is 1.4 times or more of the average particle diameter of the resin particles, in 100% of the total numbers of the resin particles.SELECTED DRAWING: Figure 1 【課題】色むらや光抜けの発生を効果的に抑制することができる調光積層体を提供する。【解決手段】本発明に係る調光積層体は、第１の透明基材と、第２の透明基材と、前記第１の透明基材と前記第２の透明基材との間に配置された調光層とを備え、前記調光層が、樹脂スペーサを含み、前記樹脂スペーサが、複数の樹脂粒子であり、前記樹脂スペーサは、前記樹脂粒子の平均粒子径の１．４倍以上の粒子径を有する樹脂粒子を含まないか、又は、前記樹脂粒子の全個数１００％中、前記樹脂粒子の平均粒子径の１．４倍以上の粒子径を有する樹脂粒子を０．０００６％以下で含む。【選択図】図１