Guest-host liquid crystal device and manufacturing method thereof

A technology of a liquid crystal device and a manufacturing method, which are applied in the field of guest-host liquid crystal devices and their manufacturing, can solve the problems of poor shading effect and high black-state light transmittance of guest-host liquid crystal color-changing lenses, so as to improve contrast, enhance shading effect, and enhance absorption effect of ability

Inactive Publication Date: 2017-07-14
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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Problems solved by technology

[0010] In view of this, the present invention provides a guest-host type liquid crystal device and its manufacturing method, which solves the technical problems of high black-state light transmittance and poor light-shielding effect of guest-host liquid crystal photochromic lenses in the prior art

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  • Guest-host liquid crystal device and manufacturing method thereof
  • Guest-host liquid crystal device and manufacturing method thereof
  • Guest-host liquid crystal device and manufacturing method thereof

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Embodiment Construction

[0055] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0056] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0057] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0058] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a guest-host liquid crystal device and a manufacturing method thereof. The guest-host liquid crystal device comprises two liquid crystal boxes which are parallel with each other and are overlapped. Each liquid crystal box comprises two orientation layers and a liquid crystal layer between the two orientation layers. The liquid crystal layer comprises a dichroic dye dissolved in liquid crystal. Alignment directions of the two orientation layers of the same liquid crystal box are parallel. The alignment directions of the orientation layers of different liquid crystal boxes form an included angle of 70 DEG to 90 DEG. Under the action of an external electric field, liquid crystal molecules in the guest-host liquid crystal device drive dichroic dye molecules to rotate to the alignment directions of respective orientation layers, so that an alignment direction included angle of the dichroic dye molecules in the two liquid crystal boxes under a black state is between 70 DEG and 90 DEG. Compared with a single-box guest-host liquid crystal device which just absorbs polarized light in one direction, absorption capability of incident light in various polarization directions of the guest-host liquid crystal device is enhanced, contrast ratio is improved, and shading effect of the guest-host liquid crystal device in the black state is improved.

Description

technical field [0001] The present invention relates to the field of liquid crystal technology, and more specifically, to a guest-host type liquid crystal device and a manufacturing method thereof. Background technique [0002] Color-changing glasses are glasses made of color-changing glass, which change their color under the irradiation of light of appropriate wavelengths, and restore their original color when the light source is removed. At present, color-changing sunglasses are divided into metal ion redox type, liquid crystal light valve type, and guest-host liquid crystal type. [0003] like figure 1 As shown, for metal ion redox type photochromic glasses, when the lens is irradiated by ultraviolet rays, the silver ion Ag + It is reduced to silver atom Ag, and some silver atoms Ag gather into colloid to make the glass develop color, so as to achieve the purpose of light absorption. After the light is stopped, under the irradiation of thermal radiation or long-wave lig...

Claims

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Application Information

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IPC IPC(8): G02F1/137G02F1/1337G02F1/1347
CPCG02F1/13725G02F1/1337G02F1/1347
Inventor 曾洋周星耀王丽花姚绮君马骏
Owner SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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