CN113791505A

CN113791505A - Scattering screen module, display screen and mobile terminal

Info

Publication number: CN113791505A
Application number: CN202110924641.6A
Authority: CN
Inventors: 马记涛; 于洋; 邱珠伟; 熊攀伟
Original assignee: Huizhou TCL Cloud Internet Corp Technology Co Ltd
Current assignee: Huizhou TCL Cloud Internet Corp Technology Co Ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-12-14

Abstract

The invention provides a scattering screen module, a display screen and a mobile terminal, wherein the scattering screen module comprises a module body, a display panel, a light guide plate and a lower polaroid, wherein the display panel is positioned in the module body, the light guide plate is positioned between the display panel and the bottom surface of the module body, the lower polaroid is arranged between the light guide plate and the lower polaroid, and the diffusion film is at least one layer, so that good visual experience is brought to a user, the light intensity of a unit area is reduced, and the visual health of the user is protected. The display screen provided by the invention comprises the scattering screen module, the touch panel and the upper polaroid, the display defects of the traditional display screen are overcome, and the backlight module in the traditional display screen is changed into the scattering screen module of the device, so that the light radiation area is increased. The mobile terminal provided by the invention comprises the display screen, so that the eye health of a user is protected.

Description

Scattering screen module, display screen and mobile terminal

Technical Field

The invention relates to the technical field of backlight modules, in particular to a scattering screen module, a display screen and a mobile terminal.

Background

With the rapid development of liquid crystal display technology, the application of Light Emitting Diode (LED) backlight module has been gradually expanded from products such as telephones, game machines, and mobile phones to portable products, audio players, and even larger televisions and displays. The ultra-thin LED backlight module has higher and higher requirements, the development is quicker, and the application is more common. The backlight module device used in the liquid crystal display device is classified into a direct type or a side type backlight module device according to the arrangement of the light sources. The backlight module provides a light source for the LCD panel. The LED backlight module mainly comprises a light source, a light guide plate, an optical film, a rubber frame, an iron frame and other components, and along with the requirement of market product addition on environmental protection and the rapid progress of LED technology, the trend that the LED is used for the backlight module at present is more and more obvious, and the LED backlight module is from small size to medium size to subsequent larger size.

At present, traditional backlight unit places the light guide plate on the reflector plate, then on the light guide plate and set up the membrane subassembly that adds lustre to between the last polaroid, this kind of backlight unit is through setting up the membrane that adds lustre to, and one taste is pursue and is shown luminance, display screen hi-lite, and the glaring is easy with eye fatigue, and blue light damage eyesight is experienced the difference to terminal consumer. In view of the above pain points, the present invention provides a solution to the above problems.

Disclosure of Invention

In order to solve the above problems, the invention provides a scattering screen module, a display screen and a mobile terminal.

The invention is realized by the following technical scheme:

the utility model provides a scattering screen module, includes the module body, is located this internal display panel of module, be located display panel with the light guide plate between the bottom surface of module body still includes down the polaroid, the light guide plate with only set up the diffusion barrier between the polaroid down, the diffusion barrier is the one deck at least.

As a further improvement of the above aspect, the lower polarizer includes a first etching layer.

As a further improvement of the above scheme, the number of the diffusion films is four, and the four diffusion films are uniformly arranged between the light guide plate and the lower polarizer.

The invention further provides a display screen, which comprises the scattering screen module, a touch panel and an upper polaroid, wherein the upper polaroid is arranged between the display panel and the touch panel, and the touch panel is arranged above the display panel.

As a further improvement of the above aspect, the upper polarizer includes a second etching layer.

As a further improvement of the above scheme, the touch panel includes a touch screen and an optical adhesive, and the touch screen is connected to the upper polarizer through the optical adhesive.

As a further improvement of the above scheme, the optical cement includes a scattering particle layer.

As a further improvement of the scheme, the touch screen comprises an etching layer, and a blue film is arranged on the surface of the touch screen.

A mobile terminal comprises the display screen.

The invention has the beneficial effects that:

the invention provides a scattering screen module, which comprises a module body, a display panel, a light guide plate and a lower polarizer, wherein the display panel is positioned in the module body, the light guide plate is positioned between the display panel and the bottom surface of the module body, only a diffusion film is arranged between the light guide plate and the lower polarizer, and the diffusion film is at least one layer. According to the scattering screen module, only the diffusion film is arranged between the light guide plate and the lower polarizer, the traditional light enhancement film is abandoned, the diffusion film corrects the diffusion angle of light, the light radiation area is increased, the light intensity of the display panel cannot be changed even if the visual angle is changed, the light is stable, good visual experience is brought to a user, the light intensity of a unit area is reduced, namely the luminance is reduced, and the display luminance is reduced by 100 compared with the traditional display luminance after the scheme is used. The light is diffused, and the light can be scattered on the surface of the light-diffusing plate, so that the light can be diffused softly and uniformly without glare.

Drawings

FIG. 1 is a structural diagram of a diffuser module according to the present invention;

FIG. 2 is a schematic structural diagram of a display panel according to the present invention;

description of the drawings: 4. a module body; 5. a display panel; 2. a lower polarizer; 1. a diffusion membrane; 41. a reflective sheet; 42. an LED lamp; 43. shading glue; 8. a touch panel; 7. an upper polarizer; 81. a touch screen; 82. optical cement; 91. and a blue film.

Detailed Description

In order to more clearly and completely describe the technical scheme of the invention, the invention is further described with reference to the accompanying drawings.

Referring to fig. 1, a diffuser module (hereinafter, referred to as the present device) includes a module body 4, a display panel 5, a lower polarizer 2, and a diffusion film 1.

It is obvious that the module body 4 includes some essential components, such as the reflective sheet 41 disposed between the light guide plate and the module body 4, and the LED lamp 42 and the light shielding glue 43 disposed inside the module body 4, so as to achieve the normal operation of the present device, and it should be noted that the above mentioned components not mentioned in the claims are well known to those skilled in the art, so that all the components are not labeled in the drawings of the specification.

The light guide plate (light guide plate) is made of optical acrylic/PC plate, and then high-tech material with high refractive index and no light absorption is used to print light guide points on the bottom surface of the optical acrylic plate by laser engraving, V-shaped cross grid engraving and UV screen printing technology. The optical-grade acrylic sheet is used for absorbing the light emitted from the lamp to stay on the surface of the optical-grade acrylic sheet, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate. The light guide plate can uniformly emit light through various light guide points with different densities and sizes. The reflecting sheet 41 is used to reflect the light exposed from the bottom surface back into the light guide plate, so as to improve the use efficiency of the light; under the condition of equal area brightness, the luminous efficiency is high and the power consumption is low. The single-sided microstructure array light guide plate is generally manufactured by an extrusion molding process.

The diffusion membrane 1 is also called a "separation membrane". A metal membrane having a fine porous structure. The micropores restrict the general gas flow while allowing diffusion flow therethrough, so that isotope separation can be performed by using the difference in mass. For example, in the case of separating uranium isotopes by a gas diffusion method, the diffusion membrane 1 is mostly made of sintered nickel (ceramic or polytetrafluoroethylene is also used). There are hundreds of millions of pores per square centimeter of membrane, with pore sizes of about 0.01 to 0.03 microns. They must meet the requirements of the separation process, still maintaining stability, reliability and a certain mechanical strength in the hot and corrosive uranium hexafluoride process gases.

The display panel 5 is formed by bonding CF glass 51 and TFT glass 52, and is responsible for the display function of the LCD. Tft (thin Film transistor) is an abbreviation of thin Film transistor. The TFT type display screen is a mainstream display device in various notebook computers and desktop computers, and each liquid crystal pixel point on the display screen is driven by a thin film transistor integrated behind the pixel point, so the TFT type display screen is also a type of active matrix liquid crystal display device. The TFT type display has the advantages of high responsivity, high brightness, high contrast and the like, and the display effect of the TFT type display is close to that of the CRT type display.

A Color filter is an optical filter that represents Color by precisely selecting a small range of wavelengths of light to be passed through, while reflecting other undesired wavelengths. A color filter is typically mounted in front of the light source so that the human eye receives a saturated color of light.

Color filter applications include contrast enhancement of monochrome displays, such as VF (Vacuum Fluorescent displays, EL (Electroluminescent displays), LED (light emitting diode displays)) by selecting the color passband and maximum output power of the display.

Structure of display panel 5: the main structure is that a liquid crystal box formed by liquid crystal is clamped between two pieces of glass, wherein one piece of glass is CF (color filter) glass, the other piece of glass is TFT glass, and a microcircuit is arranged on the glass.

A lower polarizer 2 is attached to the outside of the TFT Glass, and the light of the backlight source becomes polarized light after passing through the polarizer. The TFT glass is provided with a backlight source through the LED lamp 42 in the module body 4, and the liquid crystal layer is deflected to different degrees under the control of voltage, thereby controlling the intensity of light passing through the backlight source.

The specific installation structure is as follows: the display panel 5 is located on the upper portion of the module body 4, and the light guide plate is located between the display panel 5 and the bottom surface of the module body 4.

In addition, because the brightness enhancement film is arranged in the traditional backlight module, the display brightness is enhanced by the brightness enhancement film, the display screen is in a high-brightness and glare state, the eye fatigue is easy to generate when a user uses the display screen, the eye health is damaged due to long-time use, the display brightness can be enhanced only within a certain visual angle when the brightness enhancement film is used, and the displayed brightness is gradually reduced along with the gradual transition from the visual angle to the visual angle which is perpendicular to the display panel 5 to the visual angle which is parallel to the display panel 5.

This device the light guide plate with only set up diffusion barrier 1 between the polaroid 2 down, abandon traditional membrane of adding lustre to, in order to adapt to the module of different thickness, this device diffusion barrier 1 is the one deck at least, along with the change of module size, also can set up two-layerly, the three-layer, multilayer diffusion barrier 1, diffusion barrier 1 mainly play the effect of revising the diffusion angle, can make the light radiation area increase, has reduced unit area's luminous intensity, reduces the brilliance promptly. After the light source is diffused by the diffusion material, the light source can be changed into a secondary light source with larger area, better uniformity and stable chromaticity. The light diffusion film has the function of diffusing light, namely, the light can be diffused on the surface of the light diffusion film, the light can be diffused softly and uniformly, and the effect of the diffused light is softer when the number of the diffusion films 1 is larger.

Go up for along different visual angles under, the scheme that only uses two-layer diffusion barrier 1 of this scheme of adoption and the scheme that the membrane that adds lustre to was used to the tradition, look at 5 luminance data contrast of display panel, what need explain is that the position of visual angle zero degree is: the human eye is perpendicular to the position of the display screen. It can be seen that the traditional direct vision has high brightness and glaring eyes, the display brightness is sharply reduced along with the change of the visual angle, the subjective experience is poor, and the eyes are easy to use and fatigue.

This device the light guide plate with only set up diffusion barrier 1 between the polaroid 2 down, abandon traditional membrane of adding lustre to, diffusion barrier 1 revises the diffusion angle of light, make the light radiation area increase, so even make and change the visual angle, display panel 5's light intensity also can not change, light is stable, bring good visual experience for the user, unit area's luminous intensity has been reduced, reduce brilliance promptly, can see, after this scheme of use, when being in the zero degree position, display brightness has reduced 100 than traditional display brightness, make the user can not be too strong because of light when using, feel dazzling, can be to a certain extent, protect user's eyesight health, after luminescent light source diffuses through the diffusion material, can become the area bigger, the degree of consistency is better, the stable secondary light source of colourity. The light is diffused, and the light can be scattered on the surface of the light-diffusing plate, so that the light can be diffused softly and uniformly without glare.

In daily life, people have experiences attacked by glare of electronic equipment, wherein part of the experience comes from a glare light source, and part of the experience comes from reflection of the glare; when a computer is operated, the user is worried that the displayed content cannot be seen clearly due to the reflection of the scenery outside the display on the surface of the display; and when people search the scenery in the show window before standing on the glass show window, the reflection of the glass surface often prevents people from clearly observing the scenery in the show window, and the like. These are all due to light reflection from the glass surface, since ordinary glass has a high reflectance. To reduce the influence of light reflected from the glass, it is effective to subject the glass surface to a matte (antireflection) treatment.

As a further improvement of the above solution, the lower polarizer 2 includes a first etching layer (not shown). Through the mode of chemical etching or spraying, make 2 surfaces of lower polaroid have unevenness's graininess, change the roughness on polaroid surface to make 2 surfaces of lower polaroid produce the effect of matte, light can take place diffuse reflection on 2 surfaces of lower polaroid, thereby make 2 surfaces of lower polaroid have AG effect, Anti-glare. The lower polarizer 2 having this effect has the following characteristics:

the light reflecting surface of the lower polarizer 2 becomes a matte diffuse reflecting surface. The anti-dazzle product has the advantages of being capable of enabling reflection influence to be fuzzy, preventing glare and reducing reflection degree, reducing light shadow, and being strong in surface corrosion resistance and scratch resistance. The screen can be combined with a video imaging screen to form a transparent anti-glare and anti-reflection screen, so that the problems of light reflection and glare of an electronic video screen and an image screen under an ambient light source are solved, and the image quality is improved. This effect is not changed at large viewing angles.

The processed lower polarizer 2 can reduce the interference of ambient light, improve the visual angle and brightness of a display picture, reduce the reflection of light on a screen, and enable the image to be clearer, more gorgeous and more saturated in color, thereby obviously improving the display effect. The processed lower polarizer 2 can be used in the fields of PDP plasma televisions, PTV rear projection televisions, DLP television splicing walls, touch screens, television splicing walls, flat televisions, rear projection televisions, liquid crystal displays, touch screens, industrial instruments, high-grade photo frames and the like.

The processed lower polarizer 2 can reduce the interference of ambient light, improve the visual angle and brightness of a display picture, reduce the reflection of light on a screen, and enable the image to be clearer, more gorgeous and more saturated in color, thereby obviously improving the display effect.

The etching process of the etching layer is mainly divided into dry etching and wet etching. The dry etching mainly utilizes reaction gas and plasma for etching; wet etching mainly utilizes chemical reagents to perform chemical reaction with the material to be etched.

Dry etching is the process of exposing the surface of an object to a plasma generated in a gaseous state, which plasma reacts with the object either physically or chemically (or both) through a window opening in the photoresist, thereby removing exposed surface material. Dry etching is the most important method for etching devices at submicron dimensions. Whereas in wet etching, liquid chemical agents (such as acids, bases, solvents, etc.) chemically remove material from the surface of the object. Wet etching is typically used only in larger dimensions (greater than 3 microns). Wet etching is still used to etch certain layers on the object or to remove residues after dry etching.

Wet etching is a conventional etching method. The object is immersed in a chemical reagent or a solution of the reagent so that the portion of the surface of the film not masked by the resist is chemically reacted with the reagent and removed. For example, a silicon oxide film is etched with a solution containing hydrofluoric acid, an aluminum film is etched with phosphoric acid, and the like. The etching process in the liquid environment is called a wet process, and has the advantages of simple operation, low requirement on equipment, easy realization of mass production and good etching selectivity.

The etching method in the scheme can adopt dry etching or wet etching.

As a further improvement of the above scheme, the number of the diffusion films 1 is four, and the four diffusion films 1 are uniformly arranged between the light guide plate and the lower polarizer 2. Because the traditional backlight module is adhered with the upper brightness enhancement film and the lower brightness enhancement film on the upper side of the lower diffusion film 1 for enhancing the light intensity, in the embodiment, the three-layer diffusion film 1 is used for replacing the traditional upper brightness enhancement film and the lower brightness enhancement film, so that the thickness of the four-layer diffusion film 1 is consistent with the thickness of the original diffusion film 1, the upper brightness enhancement film and the lower brightness enhancement film, the backlight module can be directly used in the device of the traditional scheme without mold opening again, the economic benefit is high, meanwhile, the diffusion film 1 corrects the diffusion angle of light, the light radiation area is increased, even if the visual angle is changed, the light intensity of the display panel 5 cannot be changed, the light is stable, good visual experience is brought to a user, the light intensity of a unit area is reduced, namely, the brightness is reduced, the user cannot feel dazzling because the light is too strong and the visual health of the user can be protected to a certain degree, after the light source is diffused by the diffusion material, the light source can be changed into a secondary light source with larger area, better uniformity and stable chromaticity. The light is diffused, and the light can be scattered on the surface of the light-diffusing plate, so that the light can be diffused softly and uniformly without glare.

Referring to fig. 2, the present invention further provides a display screen, including the above-mentioned diffuser module, further including a touch panel 8 and an upper polarizer 7, where the upper polarizer 7 is disposed between the display panel 5 and the touch panel 8, and the touch panel 8 is disposed above the display panel 5.

In order to improve the demonstration defect of traditional display screen, change traditional inside backlight unit of display screen into the scattering screen module of this device, make the light radiation area increase, so make even change the visual angle, display panel 5's light intensity also can not change, light is stable, bring good visual experience for the user, the luminous intensity of unit area has been reduced, reduce luminance promptly, make the user can not be too strong because light when using, feel dazzling, can be to a certain extent, protect user's eyesight healthy, after luminescent light source is through the diffusion of diffusion material, it is bigger to become the area, the degree of consistency is better, the secondary light source that the colourity is stable. The light is diffused, and the light can be scattered on the surface of the light-diffusing plate, so that the light can be diffused softly and uniformly without glare. Besides glare is prevented, the reflection degree is also reduced, light shadow is reduced, and the anti-dazzle product has strong surface corrosion resistance and scratch resistance. The screen can be combined with a video imaging screen to form a transparent anti-glare and anti-reflection screen, so that the problems of light reflection and glare of an electronic video screen and an image screen under an ambient light source are solved, and the image quality is improved.

As a further improvement of the above solution, the upper polarizer 7 includes a second etching layer (not shown). Through the mode of chemical etching or spraying, make the surperficial graininess that has unevenness of last polaroid 7, change the surperficial roughness of polaroid to make the surperficial matte effect that produces of last polaroid 7, light can take place diffuse reflection on last polaroid 7 surface, thereby make last polaroid 7 have the AG effect, Anti-glare. The upper polarizer 7 having this effect has the following characteristics:

the light reflecting surface of the upper polarizer 7 becomes a matte diffuse reflecting surface. The anti-dazzle product has the advantages of being capable of enabling reflection influence to be fuzzy, preventing glare and reducing reflection degree, reducing light shadow, and being strong in surface corrosion resistance and scratch resistance. The screen can be combined with a video imaging screen to form a transparent anti-glare and anti-reflection screen, so that the problems of light reflection and glare of an electronic video screen and an image screen under an ambient light source are solved, and the image quality is improved. This effect is not changed at large viewing angles.

The processed upper polarizer 7 can reduce the interference of ambient light, improve the visual angle and brightness of a display picture, reduce screen reflection, and enable an image to be clearer, more gorgeous and more saturated in color, thereby obviously improving the display effect. The processed upper polaroid 7 can be used in the fields of PDP plasma televisions, PTV rear projection televisions, DLP television splicing walls, touch screens, television splicing walls, flat panel televisions, rear projection televisions, liquid crystal displays, touch screens, industrial instruments, high-grade photo frames and the like.

The processed upper polarizer 7 can reduce the interference of ambient light, improve the visual angle and brightness of a display picture, reduce screen reflection, and enable an image to be clearer, more gorgeous and more saturated in color, thereby obviously improving the display effect.

The etching process of the etching layer is mainly divided into dry etching and wet etching.

The etching method in the scheme can adopt dry etching or wet etching.

As a further improvement of the above scheme, the touch panel 8 includes a touch screen 81 and an optical adhesive 82, and the touch screen 81 is connected to the upper polarizer 7 through the optical adhesive 82. In the present invention, the touch screen 81 is preferably a TP touch screen.

A TP touch panel (touch panel) is an inductive liquid crystal display device capable of receiving input signals such as a header. The touch screen replaces a mechanical button device, and a vivid video effect can be produced by directly contacting the graphic marks, so that the operation is convenient and quick.

The TP touch screen is composed of a lens (panel), a TP Sensor (contact Sensor), an FPC (flexible printed circuit), an IC (touch chip) and other auxiliary materials. Touch screens are classified into resistive touch and capacitive touch, and capacitive touch screens are widely applied to mobile phones and flat panels. The capacitive touch screen can realize multi-point touch control, is sensitive to operation, and has the characteristics of difficulty in mistaken touch and high durability. The capacitive touch screen can be operated only by sensing the current of a human body, so that the touch of other objects is avoided, the capacitive touch screen is better in dustproof, waterproof and wear-resistant aspects, the service life of the capacitive touch screen is longer, a signal is generated without pressure, the control of the screen can be realized by direct touch, and the capacitive touch screen is convenient to use.

The optical cement 82 is a high molecular substance having optical properties similar to those of optical parts and excellent adhesive properties. Two or more optical parts can be glued into an optical component which can meet the design requirement of an optical path; or the adhesive can be used for gluing protective glass of high-precision optical scales, optical filters and the like. The quality of the imaging and the service performance of the optical instrument are closely related to the quality and the performance of the optical cement 82. The adhesive is colorless and transparent, the light transmittance in a specified light wave band is more than 90%, and the refractive index of the cured adhesive is similar to that of an adhered optical element; the adhesive strength is good within the use temperature range; the modulus of the adhesive is low, the elongation after curing is high, the curing shrinkage is low, and the surface change of the optical element cannot be caused; the hygroscopicity is low; cold and heat shock resistance, vibration resistance, oil resistance, solvent resistance and the like; resistance to light aging, resistance to wet heat aging, and the like; the operation performance is good; when in maintenance, the separation can be realized by a simple method; has no harm or low toxicity to human body.

As a further improvement of the above solution, the optical glue 82 comprises a scattering particle layer (not shown).

Although the optical adhesive 82 has the advantages, when light passes through the optical adhesive 82, the light can still have certain influence on the propagation of the light, so certain scattering particles are added into the optical adhesive 82 to atomize light rays coming out of the backlight, so that the visual effect is soft and free of glare. The light passes through the optical glue 82 and passes through the medium (scattering particles) with different refractive indexes, so that the light is subjected to a plurality of refraction, reflection and scattering phenomena, and the light can be corrected into a uniform surface light source to achieve the effect of optical diffusion.

As a further improvement of the above scheme, the touch screen 81 includes an etching layer, the etching layer is located on one side connected to the optical adhesive 82, the etching layer has the same function as the etching layer, and details are not repeated here, the surface of the touch screen 81 is provided with the blue light film 91, and the blue light film 91 on the surface of the touch screen 81 can adopt an electroplating mode or a bonding mode.

In conclusion, the diffuser screen module of this device, the light guide plate with only set up diffusion barrier 1 between lower polaroid 2, abandon traditional membrane of adding lustre to, diffusion barrier 1 revises the diffusion angle of light, make the light radiation area increase, so even make and change the visual angle, display panel 5's light intensity also can not change, light is stable, bring good visual experience for the user, the luminous intensity of unit area has been reduced, reduce luminance promptly, can see, after this scheme of use, when being in the zero degree position, display brightness has reduced 100 than traditional display brightness, make the user can not be because light is too strong when using, feel dazzling, can be to a certain extent, protect user's eyesight health, after luminescent light source passes through the diffusion of diffusion material, can become the area bigger, the degree of consistency is better, the stable secondary light source of colourity. The light is diffused, and the light can be scattered on the surface of the light-diffusing plate, so that the light can be diffused softly and uniformly without glare.

The display screen improves the display defects of the traditional display screen, changes the backlight module in the traditional display screen into the scattering screen module of the device, increases the light radiation area, ensures that the light intensity of the display panel 5 cannot be changed even if the visual angle is changed, has stable light, brings good visual experience to users, reduces the light intensity of unit area, namely reduces the luminance, ensures that the users cannot feel dazzling due to too strong light when using, can protect the visual health of the users to a certain extent, and can change the light source into a secondary light source with larger area, better uniformity and stable chromaticity after being diffused by the diffusing material. The light is diffused, and the light can be scattered on the surface of the light-diffusing plate, so that the light can be diffused softly and uniformly without glare. Besides glare is prevented, the reflection degree is also reduced, light shadow is reduced, and the anti-dazzle product has strong surface corrosion resistance and scratch resistance. The screen can be combined with a video imaging screen to form a transparent anti-glare and anti-reflection screen, so that the problems of light reflection and glare of an electronic video screen and an image screen under an ambient light source are solved, and the image quality is improved. And certain scattering particles are creatively added into the optical cement 82 to atomize light rays coming out of the backlight, so that the visual effect is soft and free of glare. The light passes through the optical glue 82 and passes through the medium (scattering particles) with different refractive indexes, so that the light is subjected to a plurality of refraction, reflection and scattering phenomena, and the light can be corrected into a uniform surface light source to achieve the effect of optical diffusion.

According to the mobile terminal, the display screen is adopted, so that the display brightness of the mobile terminal is reduced, glare is avoided, eyes are not wasted during use, and the mobile terminal has a good protection effect on the eyes.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.

Claims

1. The utility model provides a scattering screen module, includes the module body, is located this internal display panel of module, be located display panel with the light guide plate between the bottom surface of module body, its characterized in that still includes down the polaroid, the light guide plate with only set up the diffusion barrier between the polaroid down, the diffusion barrier is the one deck at least.

2. The diffuser screen module of claim 1 wherein the lower polarizer comprises a first etch layer.

3. The diffuser screen module of claim 1 wherein the number of diffuser films is four, the four diffuser films being uniformly disposed between the light guide plate and the lower polarizer.

4. A display screen, comprising the diffuser module of any one of claims 1-3, further comprising a touch panel and an upper polarizer, wherein the upper polarizer is disposed between the display panel and the touch panel, and the touch panel is disposed above the display panel.

5. The display screen of claim 4, wherein the upper polarizer comprises a second etch layer.

6. The display screen of claim 5, wherein the touch panel comprises a touch screen and optical cement, and the touch screen is connected with the upper polarizer through the optical cement.

7. A display screen in accordance with claim 6, wherein the optical glue comprises a layer of scattering particles.

8. The display screen of claim 7, wherein the touch screen comprises an etching layer, and a surface of the touch screen is provided with a blue film.

9. A mobile terminal, characterized in that it comprises a display screen according to any one of claims 4-8.