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Display device, liquid crystal lens and manufacturing method thereof

A technology of liquid crystal lens and manufacturing method, which is applied in the direction of instruments, nonlinear optics, optics, etc., can solve the problems of uneven distribution of liquid crystal refractive index curve and poor focus of liquid crystal lens, and achieve smooth liquid crystal refractive index curve and good lens The effect of the characteristic

Active Publication Date: 2019-03-15
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the lateral voltage generated by the edge of the electrode, the refractive index of the liquid crystal molecules at the edge of the electrode changes greatly, so that the distribution of the refractive index curve of the liquid crystal in space is not smooth, which leads to the focusing of the liquid crystal lens. become worse

Method used

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  • Display device, liquid crystal lens and manufacturing method thereof
  • Display device, liquid crystal lens and manufacturing method thereof
  • Display device, liquid crystal lens and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1 of the present invention provides a liquid crystal lens 1, such as figure 1 As shown, the liquid crystal lens 1 includes:

[0023] upper substrate 11;

[0024] A lower substrate 12 arranged opposite to the upper substrate 11;

[0025] A liquid crystal layer 13 located between the upper substrate 11 and the lower substrate 12;

[0026] At least one first electrode 14 is provided on the side of the upper substrate 11 close to the liquid crystal layer 13;

[0027] At least one second electrode 15 and at least one third electrode 16 are provided on the side of the lower substrate 12 close to the liquid crystal layer 13;

[0028] Wherein, the liquid crystal layer 13 includes a first region 131 above the second electrode 15 and a second region 132 above the third electrode 16, the liquid crystals in the first region 131 and the second region 132 have a tilt angle greater than 0 degrees, the second The alignment direction of the liquid crystals in the first re...

Embodiment 2

[0048] Embodiment 2 of the present invention provides a display device 2, such as figure 2 As shown, the display device 2 includes the liquid crystal lens 1 described in any one of the specific embodiments of the first embodiment.

[0049] In addition, the display device 2 not only includes a plurality of liquid crystal lenses 1, but also two adjacent liquid crystal lenses can have a certain distance, the distance is, for example, 8-20um, and the disclination area of ​​the liquid crystal can be fixed at purpose of this area.

[0050] Embodiment 2 of the present invention provides a display device, which includes the liquid crystal lens described in any one of the specific embodiments of Embodiment 1. Different tilt angles are preset only in specific areas of the liquid crystal layer. When driven by a voltage, a liquid crystal lens with better lens characteristics can be formed, that is, the refractive index curve of the liquid crystal forming the liquid crystal lens is smoo...

Embodiment 3

[0052] Embodiment 3 of the present invention provides a method for manufacturing a liquid crystal lens, such as image 3 As shown, the production method includes the following steps:

[0053] In step S31, the liquid crystal lens is formed to include an upper substrate; a lower substrate disposed opposite to the upper substrate; a liquid crystal layer located between the upper substrate and the lower substrate; at least one first Electrodes; at least one second electrode and at least one third electrode are formed on the side of the lower substrate close to the liquid crystal layer;

[0054] Step S32, the liquid crystal layer above the second electrode is the first region, the liquid crystal layer above the third electrode is the second region, and the liquid crystals in the first region and the second region form a tilt angle greater than 0 degrees , the alignment direction of the liquid crystals in the first region is opposite to the alignment direction of the liquid crystal...

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Abstract

The invention discloses a display device, a liquid crystal lens and a manufacturing method thereof, and relates to the field of display. It can produce a smoother refractive index curve, so that the liquid crystal lens has better focusing. The liquid crystal lens includes: an upper substrate, a lower substrate, and a liquid crystal layer between the upper substrate and the lower substrate; at least one first electrode is provided on the side of the upper substrate close to the liquid crystal layer; and at least one first electrode is provided on the side of the lower substrate close to the liquid crystal layer. a second electrode and at least a third electrode; the liquid crystal layer includes a first region above the second electrode and a second region above the third electrode, and the liquid crystal in the first region and the second region has a tilt angle, the alignment direction of the liquid crystal in the first region is opposite to the alignment direction of the liquid crystal in the second region. The present invention is suitable for liquid crystal display technology.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a display device, a liquid crystal lens and a manufacturing method thereof. Background technique [0002] The liquid crystal lens is realized by driving the liquid crystal layer with a voltage. The smoother the actual refractive index curve of the liquid crystal layer of the liquid crystal lens, the better the focusing effect of the liquid crystal lens. Therefore, the method of controlling the actual refractive index of the liquid crystal layer through voltage driving determines the imaging quality of the liquid crystal lens. [0003] However, in the prior art, liquid crystals are generally driven in a multi-electrode manner. Due to the lateral voltage generated by the electrode edge, the refractive index of the liquid crystal molecules at the electrode edge changes greatly, which makes the distribution of the liquid crystal refractive index curve in space not smooth, which lea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/29G02F1/1343G02F1/1337
CPCG02F1/133753G02F1/134309G02F1/29G02F1/133761G02F1/133757G02F1/134381G02F1/294
Inventor 林家强
Owner BOE TECH GRP CO LTD