Light control device and manufacture method thereof, and transparent display device having the light control device

A technology of light control and equipment, applied in optics, nonlinear optics, instruments, etc., can solve problems such as difficulty in displaying pure black, deterioration of contrast ratio, and high power consumption

Active Publication Date: 2016-02-03
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a problem with transparent display devices using LCD technology is that their transparency is deteriorated by the polarizing plates used to achieve black
In addition, LCD-based transparent display devices also have problems with outdoor visibility
[0009] OLED-based transparent display devices consume more power than LCD-based transparent display devices and have difficulty displaying pure black
In addition, although OLED-based transparent display devices have no problem with contrast in dark environments, there is a problem of contrast deterioration in ordinary environments

Method used

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  • Light control device and manufacture method thereof, and transparent display device having the light control device
  • Light control device and manufacture method thereof, and transparent display device having the light control device
  • Light control device and manufacture method thereof, and transparent display device having the light control device

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Embodiment Construction

[0061] Reference will now be made in detail to the exemplary embodiments of the invention, examples of which are illustrated in the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts.

[0062] Advantages and features of the present invention and methods of achieving them will be clarified through the following embodiments described with reference to the accompanying drawings. However, this invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this description will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Furthermore, the present invention is limited only by the scope of the claims.

[0063] The shapes, dimensions, proportions, angles and numbers disclosed in the drawings for describing the embodiments of the present invention are m...

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Abstract

The present invention discloses a light control device and a manufacture method thereof, and a transparent display device having the light control device. A polymer dispersion liquid crystal (PDLC) layer and a guest-host type liquid crystal (GHLC) layer are adopted to transmit or shield light. The guest-host type liquid crystal layer comprises dichroism dye. The light control device comprises: a first substrate and a second substrate which are opposite, a first electrode on the first substrate, a second electrode on the second substrate, and the polymer dispersion liquid crystal layer and the guest-host type liquid crystal layer arranged between the first electrode and the second electrode. The PDLC layer comprises drops with a first liquid crystal, and the GHLC layer comprises a second liquid crystal and dichroism dye.

Description

[0001] Cross References to Related Applications [0002] This application claims Korean Patent Application No. 10-2014-0079462 filed on June 27, 2014, Korean Patent Application No. 10-2014-0079800 filed on June 27, 2014, Korean Patent Application No. 10-2014-0079800 filed on June 30, 2014 Priority of Patent Application No. 10-2014-0080859 and Korean Patent Application No. 10-2015-0083127 filed on June 12, 2015, the entire contents of these applications are hereby incorporated by reference for all purposes as if fully set forth herein clarify the same. technical field [0003] The present invention relates to a light control device, and more particularly, to a light control device capable of realizing a transparent mode and a light-shielding mode, a manufacturing method thereof, and a transparent display device having the light control device. Background technique [0004] Recently, with the development of the information age, display devices for processing and displaying a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1347G02F1/1334G02F1/137
CPCG02F1/1334G02F1/1347G02F1/13725
Inventor 金纪汉安智煐李纹宣金溥凛
Owner LG DISPLAY CO LTD
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