LIGHT SHIELDING APPARATUS AND TRANSPARENT DISPLAY DEVICE INCLUDING THE SAME

A light shielding apparatus (100) that may transmit or shield light by using a plurality of PDLC layers, a method of fabricating the light shielding apparatus, and a transparent display device including the light shielding apparatus are discussed. The light shielding apparatus (100) can include firs...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, Moon Sun, AHN, Ji Young, KIM, Ki Han, KIM, Pu Reum
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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
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Beschreibung
Zusammenfassung:	A light shielding apparatus (100) that may transmit or shield light by using a plurality of PDLC layers, a method of fabricating the light shielding apparatus, and a transparent display device including the light shielding apparatus are discussed. The light shielding apparatus (100) can include first and second substrates (110, 150) facing each other; a first electrode (120) on the first substrate; a second electrode (140) on the second substrate; and first and second polymer dispersed liquid crystal layers (131, 132) between the first electrode and the second electrode, wherein the first polymer dispersed liquid crystal layer includes first droplets (131b) having first liquid crystals (131c), and the second polymer dispersed liquid crystal layer includes second droplets (132b) having second liquid crystals (132c) and first dichroic dyes (132d).