Light modulation device and preparation method of light modulation device

• Main Authors: LIN BAIQUAN, OUYANG JUNTING, JIA ZHENYU, QIN FENG, XI KERUI, PENG XUHUI
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2020
• 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

The invention discloses a light modulation device and a preparation method of the light modulation device. The light modulation device comprises a first substrate, a second substrate and a third substrate which are sequentially arranged at intervals, a first liquid crystal layer and a second liquid crystal layer, and a first circuit board, wherein the first substrate comprises a first underlayer and a first electrode layer connected with the first underlayer, the first underlayer comprises a first connecting part; the second substrate comprises a second underlayer and a second electrode layerconnected with the second underlayer, and the second electrode layer is a surface electrode; and the third substrate comprises a third underlayer and a third electrode layer connected with the third underlayer; the first liquid crystal layer is sandwiched between the first substrate and the second substrate, and the second liquid crystal layer is sandwiched between the second substrate and the third substrate; and the fir