LIQUID CRYSTAL OPTICAL ELEMENT

• Main Author: SHINOHARA HIDENORI
• Format: Patent
• Language: English; Japanese
• Published: 09.04.2015
• 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

PROBLEM TO BE SOLVED: To provide a liquid crystal optical element that prevents electric connection failure between a feed electrode and a transparent electrode provided inside the element, while enabling the reduction of a driving voltage.SOLUTION: A liquid crystal optical element 50 includes: first substrates 10 and 30; a second substrate 20; first transparent electrodes 11a and 31a, and second transparent electrodes 21a and 22a that are arranged to be opposite to each other through liquid crystal layers 12b and 23b between the first substrates 10 and 30, and second substrate 20; and sealing materials 12a and 23a that are provided between the first substrates 10 and 30, and second substrate 20 and on the periphery of the liquid crystal layers 12b and 23b. The first substrates 10 and 30 have first notch parts 11b and 31b at a part of the peripheral ends of the substrates and a first feed electrode 40 that fills the inside of the first notch parts 11b and 31b, and electrically connected with the second transparent electrodes 21a and 22a. 【課題】駆動電圧の低電圧化を可能としつつ、給電電極と素子本体内部に設けられた透明電極との電気的な接続不良を防止した液晶光学素子を提供すること。【解決手段】液晶光学素子５０は、第一の基板１０，３０と、第二の基板２０と、第一の基板１０，３０と第二の基板２０との間に液晶層１２ｂ，２３ｂを介して対向するように配置された第一の透明電極１１ａ，３１ａ及び第二の透明電極２１ａ，２２ａと、第一の基板１０，３０と第二の基板２０との間であって、液晶層１２ｂ，２３ｂの周囲に設けられた封止材１２ａ，２３ａと、を備え、第一の基板１０，３０は、基板周縁部の一部に第一の切欠部１１ｂ，３１ｂを有し、第一の切欠部１１ｂ，３１ｂ内に充填され、第二の透明電極２１ａ，２２ａに電気的に接続される第一の給電電極４０を有する。【選択図】図１ｂ