CN212276162U

CN212276162U - Circularly polarized light liquid crystal display mechanism

Info

Publication number: CN212276162U
Application number: CN202021054379.1U
Authority: CN
Inventors: 徐志栋
Original assignee: Suzhou Runboshi Electronic Technology Co ltd
Current assignee: Suzhou Runboshi Electronic Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-01
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a circular polarized light liquid crystal display mechanism, including basic unit's subassembly, liquid crystal assembly, polarisation subassembly and 1/4 wave plate, basic unit's subassembly includes first base plate and the second base plate of stacking arrangement along the light path direction, wherein first base plate and the second base plate enclose to close and form a sealed cavity, the second base plate is located the rear side of first base plate along the light path direction; the liquid crystal assembly comprises a liquid crystal layer filled in the sealed cavity; the polarizing component is arranged on a first polarizer on the front side of the first substrate and a second polarizer on the rear side of the second substrate; the 1/4 wave plate is arranged on the rear side of the second polarizer to circularly polarize the rays emitted from the second polarizer. The utility model discloses at least, include following advantage: by utilizing the cooperation among the components, the linearly polarized light can be converted into circularly polarized light, and the display content can be acquired by an observer.

Description

Circularly polarized light liquid crystal display mechanism

Technical Field

The utility model relates to a liquid crystal display technical field, specificly a circular polarized light liquid crystal display mechanism.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

With the development and progress of science and technology, the application of liquid crystal display devices is very wide, such as television display screens and mobile phone display screens used in people's lives; industrial control screens, etc. The display light for the liquid crystal display device is generally linearly polarized light, and when an observer uses polarized glasses, the probability that the content displayed by the liquid crystal display device is not visible is high. The above problems always cause troubles for observers, and are a technical problem to be solved urgently.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a circular polarized light liquid crystal display mechanism utilizes the cooperation between each subassembly, can make the linear polarized light conversion be circular polarized light, more accords with the observer and acquires the demonstration content.

The embodiment of the application discloses: a circularly polarized light liquid crystal display mechanism comprising:

the base layer assembly comprises a first substrate and a second substrate which are stacked along the optical path direction, wherein the first substrate and the second substrate enclose to form a sealed cavity, and the second substrate is positioned on the rear side of the first substrate along the optical path direction;

a liquid crystal assembly including a liquid crystal layer filled in the sealed cavity;

the polarizing component is arranged on a first polarizer on the front side of the first substrate and a second polarizer on the rear side of the second substrate;

1/4 wave plate, wherein the 1/4 wave plate is arranged at the back side of the second polarizer to circularly polarize the rays emitted from the second polarizer.

Furthermore, an included angle of positive 45 degrees or negative 45 degrees is formed between the fast axis of the 1/4 wave plate and the transmission optical axis of the second polarizer.

Further, the optical retardation of the 1/4 wave plate is between 125 and 140 nm.

The rubbing device comprises a first substrate, a second substrate and a rubbing component, wherein the first substrate is provided with a first rubbing layer, the second substrate is provided with a second rubbing layer, and the rubbing component is positioned in the sealed cavity and comprises a first rubbing layer attached to the first substrate and a second rubbing layer attached to the second substrate.

Further, an electrode assembly is included, the electrode assembly including a first electrode layer disposed on the first alignment layer, a second electrode layer disposed on the second alignment layer.

Further, the projection of the liquid crystal layer in the first direction is positioned in the projection of the 1/4 wave plate in the first direction.

Furthermore, the first substrate and the second substrate are made of glass.

Borrow by above technical scheme, the beneficial effects of the utility model are as follows: by means of the cooperation between the polarization component and the 1/4 wave plate, especially, polarized light is made to enter the 1/4 wave plate in the direction of 45 degrees between the polarization direction and the fast axis included angle of the 1/4 wave plate, original linearly polarized light can be converted into circularly polarized light, and display content can be acquired by an observer.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an overall device in an embodiment of the present invention.

Reference numerals of the above figures: 1. a first substrate; 2. a second substrate; 3. a liquid crystal layer; 4. a first polarizer; 5. a second polarizer; 6. 1/4 a wave plate; 7. a first alignment layer; 8. a second alignment layer; 9. a first electrode layer; 10. a second electrode layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

With reference to fig. 1, the present embodiment discloses a circularly polarized light liquid crystal display mechanism, which includes a base layer module, a liquid crystal module, a polarization module, and an 1/4 wave plate 6, and by using the cooperation among the above modules, polarized light can be converted from linearly polarized light into circularly polarized light, so that an observer can more easily and directly observe the content of the liquid crystal display.

In the present embodiment, the base component includes a first substrate 1 and a second substrate 2 stacked in an optical path direction (i.e., an up-down direction in fig. 1), and preferably, the second substrate 2 is located on a rear side of the first substrate 1 in the optical path direction. Wherein, the first substrate 1 and the second substrate 2 can be enclosed into a sealed cavity by means of a frame structure.

In this embodiment, the liquid crystal assembly includes a liquid crystal layer 3 disposed within the sealed cavity. The liquid crystal layer 3 includes a liquid crystal device, a first alignment layer 7 between the first substrate 1 and the liquid crystal device, and a second alignment layer 8 between the second substrate 2 and the liquid crystal device. The first alignment layer 7 is provided with a first electrode layer 9, and the second alignment layer 8 is provided with a second electrode layer 10, so that the liquid crystal assembly can normally and effectively perform corresponding work.

In this embodiment, the polarizer assembly includes a first polarizer 4 disposed on the front side of the first substrate 1, and a second polarizer 5 disposed on the rear side of the second substrate 2. Preferably, the first polarizer 4 is attached to the first substrate 1, and the second polarizer 5 is attached to the second substrate 2.

In this embodiment, the 1/4 wave plate 6 is disposed on the rear side of the second polarizer 5 so as to circularly polarize the radiation emitted from the second polarizer 5. It is to be noted that the projection of the liquid crystal layer 3 in the optical path direction is located within the projection of the 1/4 wave plate 6 in the optical path direction.

In the above arrangement, the polarized light enters from the first polarizer 4, wherein it is noted that the polarized light enters the 1/4 wave plate 6 in a direction having an included angle of 45 ° between the polarization direction and the fast axis of the 1/4 wave plate 6, and the value calculated by the trigonometric function of the fast axis and the slow axis of the polarized light emitted from the 1/4 wave plate 6 is 1, that is, the original linearly polarized light is converted into circularly polarized light, which is more suitable for the viewer to obtain the display content.

It should be noted that an included angle between the fast axis of the 1/4 wave plate 6 and the transmission optical axis of the second polarizer 5 is positive 45 ° or negative 45 °; the optical retardation of the 1/4 wave plate 6 is between 125-140 nm.

In this embodiment, the first substrate 1 and the second substrate 2 are made of glass.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A circularly polarized light liquid crystal display mechanism, comprising:

2. The circularly polarized light liquid crystal display device according to claim 1, wherein the fast axis of the 1/4 wave plate forms an angle of plus 45 ° or minus 45 ° with the transmission optical axis of the second polarizer.

3. The circularly polarized light liquid crystal display mechanism as claimed in claim 1, wherein the optical retardation of the 1/4 wave plate is between 125 and 140 nm.

4. The circularly polarized light liquid crystal display mechanism of claim 1, further comprising an alignment assembly located within the sealed cavity, the alignment assembly comprising a first alignment layer attached to the first substrate, a second alignment layer attached to the second substrate.

5. The circularly polarized light liquid crystal display mechanism according to claim 4, further comprising an electrode assembly including a first electrode layer disposed on the first alignment layer, a second electrode layer disposed on the second alignment layer.

6. The circularly polarized light liquid crystal display mechanism according to claim 1, wherein a projection of the liquid crystal layer in the first direction is located within a projection of the 1/4 wave plate in the first direction.

7. The circularly polarized light liquid crystal display mechanism according to claim 1, wherein the first substrate and the second substrate are made of glass.