LIGHT ADJUSTMENT UNIT, LIGHT ADJUSTMENT MEMBER HAVING LIGHT ADJUSTMENT UNIT, AND MOBILE BODY HAVING LIGHT ADJUSTMENT MEMBER

• Main Authors: HONDA TSUBASA, KANBARA KUMIKO
• Format: Patent
• Language: English; Japanese
• Published: 04.06.2020
• 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 light adjustment unit which has an increased weather resistance, a light adjustment member having the light adjustment unit, and a mobile body having the light adjustment member.SOLUTION: A light adjustment unit (3) includes: a first laminate body (31) having a first resin base material (311), a first electrode layer (314), and a first orientation film (315) in that order; a second laminate body (32) having a second resin base material (321), a second electrode layer (324), and a second orientation film (325) in that order, the second orientation film (325) facing the first orientation film (315); a liquid crystal layer (33) between the first orientation film (315) and the second orientation film (325), the liquid crystal layer containing a dichroic dye; and a seal material (34) between the first laminate body (31) and the second laminate body (32), the seal material surrounding the liquid crystal layer (33). At least one of the first orientation film (315) and the second orientation film (325) has a thickness of at least 100 nm.SELECTED DRAWING: Figure 5 【課題】本発明は、向上した耐候性を有する調光ユニット、該調光ユニットを備える調光部材及び該調光部材を備える移動体を提供することを目的とする。【解決手段】本発明は、第１樹脂基材（３１１）、第１電極層（３１４）及び第１配向膜（３１５）を順に有する第１積層体（３１）と、第２樹脂基材（３２１）、第２電極層（３２４）及び第２配向膜（３２５）を順に有し、第２配向膜（３２５）が第１配向膜（３１５）と対向するように設けられた第２積層体（３２）と、第１配向膜（３１５）と第２配向膜（３２５）との間に位置し、二色性色素を含む液晶層（３３）と、第１積層体（３１）と第２積層体（３２）との間に位置し、液晶層（３３）を取り囲むシール材（３４）とを備える調光ユニット（３）であって、第１配向膜（３１５）及び第２配向膜（３２５）の一方又は両方が１００ｎｍ以上の厚みを有する、調光ユニット（３）を提供する。【選択図】図５