CN219916130U

CN219916130U - Peep-proof liquid crystal screen, liquid crystal module and display

Info

Publication number: CN219916130U
Application number: CN202321005088.7U
Authority: CN
Inventors: 杨莉; 刘晓海
Original assignee: Jinkaili Shenzhen Technology Co ltd
Current assignee: Jinkaili Shenzhen Technology Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-10-27
Anticipated expiration: 2033-04-25

Abstract

The utility model relates to a peep-proof liquid crystal screen, which comprises liquid crystal, a polarizing module and a peep-proof module; the polarizing module comprises a group of polaroids, the polaroids are arranged on one side of the liquid crystal, and the peep-proof module is arranged on the other side of the liquid crystal; or the polarizing module comprises two groups of polaroids, the two groups of polaroids are respectively arranged on two sides of the liquid crystal, and the peep-proof module is arranged on one side of the liquid crystal or one side of one group of polaroids, which is away from the liquid crystal. Above-mentioned through setting up the peep-proof membrane in the LCD screen for the heat that LCD screen surface sent can not influence the peep-proof membrane, so reduced the thickness of the display after the equipment to a great extent.

Description

Peep-proof liquid crystal screen, liquid crystal module and display

Technical Field

The utility model relates to the field of liquid crystal display structures, in particular to a peep-proof liquid crystal display and a touch display.

Background

With the development of society and the improvement of technology level, people have increasingly high dependence on mobile phones and various electronic products, but various private information generated by the people also brings certain risks.

In order to solve the security problem, not only various security software has been developed, but also privacy disclosure is prevented from a physical perspective by additionally installing a privacy film on a display screen.

However, a general mobile phone is not provided with a peep-proof film when leaving the factory, but needs a user to purchase and paste the film, and the procedure for obtaining the peep-proof function is complicated.

Some screen manufacturers consider the above problem and develop a display with a peep-proof film between a touch screen and a liquid crystal screen, and the display with the peep-proof function is popular in the past, however, because the liquid crystal screen can generate heat during working, the peep-proof film needs to have a certain gap with the liquid crystal screen, otherwise, the display effect of the display is affected due to the fact that the peep-proof film is deformed by heat, and the thickness of the display can be greatly increased, so that the display does not accord with the trend of the current product in the thin direction.

Disclosure of Invention

In view of the above, it is desirable to provide a privacy liquid crystal display, a liquid crystal module, and a display that solve at least one of the above problems.

A peep-proof liquid crystal screen comprises liquid crystal, a polarizing module and a peep-proof module;

the polarizing module comprises a group of polaroids, the polaroids are arranged on one side of the liquid crystal, and the peep-proof module is arranged on the other side of the liquid crystal; or (b)

The polarizing module comprises two groups of polaroids, the two groups of polaroids are respectively arranged on two sides of the liquid crystal, and the peep-proof module is arranged on one side of the liquid crystal or one side of one group of polaroids, which is away from the liquid crystal.

Further, the peep-proof module comprises a peep-proof film.

The liquid crystal module comprises a backlight assembly and a touch screen, and further comprises the peep-proof liquid crystal screen, wherein the backlight assembly and the touch screen are respectively arranged on two sides of the peep-proof liquid crystal screen.

A touch display includes the liquid crystal module.

Above-mentioned through setting up the peep-proof membrane in the LCD screen for the heat that LCD screen surface sent can not influence the peep-proof membrane, so reduced the thickness of the display after the equipment to a great extent.

Drawings

Fig. 1 is a schematic structural diagram of a peep-proof liquid crystal display according to an embodiment of the present utility model;

fig. 2 is another schematic structural diagram of a peep-proof lcd according to an embodiment of the present utility model;

fig. 3 is another schematic structural diagram of a peep-proof lcd according to an embodiment of the present utility model;

fig. 4 is another schematic structural diagram of a peep-proof lcd according to an embodiment of the present utility model;

fig. 5 is another schematic structural diagram of a peep-proof lcd according to an embodiment of the present utility model;

fig. 6 is another schematic structural diagram of a peep-proof lcd according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a liquid crystal module according to an embodiment of the utility model.

Reference numerals:

100. peep-proof liquid crystal screen;

210. a polaroid is arranged on the upper surface of the substrate; 220. a lower polarizer;

300. a privacy film;

400. a liquid crystal;

500. a touch screen;

600. a backlight assembly.

Detailed Description

In order to make the objects, technical schemes and advantages of the present utility model more clear, the peep-proof liquid crystal display, the liquid crystal module and the display of the present utility model are further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "center," "longitudinal," "transverse," "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used as references to orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Referring to fig. 1 to 6, the peep-proof liquid crystal display 100 of the present utility model includes a liquid crystal 400, a polarizing module and a peep-proof module;

the polarizing module comprises a group of polarizers, the polarizers are arranged on one side of the liquid crystal 400, and the peep-proof module is arranged on the other side of the liquid crystal 400; or (b)

The polarizing module comprises two groups of polarizers, the two groups of polarizers are respectively arranged on two sides of the liquid crystal 400, and the peep-proof module is arranged on one side of the liquid crystal 400 or one side of one group of polarizers, which is away from the liquid crystal 400.

In this embodiment, the peep-proof film 300 is disposed in the liquid crystal screen, so that the heat emitted from the surface of the liquid crystal screen cannot affect the peep-proof film 300, and the thickness of the assembled display is reduced to a great extent.

Specifically, one embodiment is to replace the polarizer, that is, the peep-proof module replaces the original polarizer (generally, each polarizer is arranged at two sides of the liquid crystal 400);

another embodiment is to add a peep-proof module to the lcd, which may be specifically added on one side of the lcd 400, between the lcd 400 and the polarizer, or on the side of the polarizer facing away from the lcd 400.

The added or replaced anti-peeping module has the advantages that the anti-peeping function is added under the condition that the thickness is not increased as much as possible and the use of the anti-peeping module is not affected, the manufacturing process is simple, and the large-scale production is convenient.

In one embodiment, the privacy module includes a privacy film 300.

In this embodiment, the peep-proof module may be a single peep-proof film 300, or may be a novel peep-proof film 300, which is implemented by using the existing ultra-fine shutter optical technology and through a parallel arranged grating structure, the grating is usually formed by blending peep-proof materials such as resin and color paste and fixing through rolling with a mold, and is gray black, and the interval of the grating is usually 0.17-0.13mm. The adjustment of the visual angle can be achieved by adjusting the interval of the gratings, and the visual angle range of the adjustment is usually 23-65 degrees, specifically 25-40 degrees and 55 degrees. The smaller the visual angle is, the better the peep-proof effect is. Through setting up the grating structure of different angles, then can satisfy diversified user demand.

Specifically, the peep-proof film 300 comprises a blocking layer and a substrate layer, wherein the blocking layer comprises a transparent area and a blocking area surrounding the transparent area, peep-proof materials are arranged in the blocking area, the transparent area is arranged corresponding to a fingerprint identification area of the electronic equipment, and no peep-proof material is arranged in the transparent area.

Specifically, the peep-proof material adopts the grating structure.

Specifically, the peep-proof material is sprayed on the substrate layer and rolled through a die to form the grating structure.

Specifically, the interval between any two adjacent grating structures on the blocking area is 0.01-0.12mm, and the grating structures are prismatic or trapezoidal.

For ease of understanding, one of the peep-proof liquid crystal display panels 100 will be explained:

referring to fig. 1, in an embodiment, the polarizing module includes an upper polarizer 210 and a lower polarizer 220, the peep-proof liquid crystal screen 100 includes a peep-proof film 300, an upper polarizer 210, a liquid crystal 400 and a lower polarizer 220, which are sequentially stacked, and three sides of the upper polarizer 210 and the lower polarizer 220 are bonded together by an adhesive, so that the upper polarizer 210 and the lower polarizer 220 form a box with an opening at one side;

the adhesive is disposed at the edge positions of the upper polarizer 210 and the lower polarizer 220;

the liquid crystal 400 is received in the case formed by the upper polarizer 210 and the lower polarizer 220, and the adhesive adhered to the case adheres and wraps the sides of the liquid crystal 400;

the peep-proof film 300 is connected to the upper polarizer 210 at its edge position by means of adhesive.

Referring to fig. 2, in another embodiment, the polarizing module includes an upper polarizer 210 and a lower polarizer 220, and the peep-proof liquid crystal display 100 includes an upper polarizer 210, a peep-proof film 300, a liquid crystal 400 and a lower polarizer 220, which are sequentially stacked;

referring to fig. 5, in another embodiment, the polarizing module includes a lower polarizer 220, and the peep-proof liquid crystal screen 100 includes a peep-proof film 300, a liquid crystal 400 and the lower polarizer 220 sequentially stacked;

referring to fig. 3, in another embodiment, the polarizing module includes an upper polarizer 210 and a lower polarizer 220, and the peep-proof liquid crystal display 100 includes an upper polarizer 210, a liquid crystal 400, a peep-proof film 300 and a lower polarizer 220 stacked in sequence;

referring to fig. 4, in another embodiment, the polarizing module includes an upper polarizer 210 and a lower polarizer 220, and the peep-proof liquid crystal display 100 includes an upper polarizer 210, a liquid crystal 400, a lower polarizer 220, and a peep-proof film 300 sequentially stacked;

referring to fig. 6, in another embodiment, the polarizing module includes an upper polarizer 210, and the peep-proof liquid crystal display 100 includes the upper polarizer 210, a liquid crystal 400, and a peep-proof film 300 sequentially stacked.

Referring to fig. 7, a liquid crystal 400 module includes a backlight assembly 600 and a touch screen 500, and further includes the peep-proof liquid crystal screen 100, wherein the backlight assembly 600 and the touch screen 500 are respectively disposed at two sides of the peep-proof liquid crystal screen 100.

In this embodiment, the touch screen 500 is used to provide a pressed screen for the user; the peep-proof liquid crystal screen 100 is used for displaying color images; the backlight is used for ensuring that the liquid crystal 400 display screen emits light behind.

A touch display includes the liquid crystal 400 module. The present utility model is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalent changes and variations in the above-mentioned embodiments can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a peep-proof liquid crystal display which characterized in that:

a liquid crystal;

a polarizing module;

a peep-proof module;

2. The privacy lcd of claim 1, wherein:

the peep-proof module comprises a peep-proof film.

3. A liquid crystal module, includes backlight unit and touch-sensitive screen, its characterized in that: the anti-peeping liquid crystal display device further comprises the anti-peeping liquid crystal display device according to any one of claims 1-2, wherein the backlight assembly and the touch screen are respectively arranged on two sides of the anti-peeping liquid crystal display device.

4. A touch display, characterized by: a liquid crystal module comprising the liquid crystal module of claim 3.