CN207731048U - Liquid crystal display panel, display screen and tablet computer - Google Patents

Abstract

The utility model is related to a kind of liquid crystal display panel, display screen and tablet computer, liquid crystal display panel includes：It sets gradually：First polaroid, the first biaxial compensation film including the first substrate of colored filter and transparency conducting layer, the second substrate of liquid crystal including thin film transistor (TFT), the second biaxial compensation film, and, the second polaroid.In this way, orientation angle compensation can be carried out using biaxial compensation film, avoid, only with serious leakage problem caused by nonopiate polaroid, improving display screen contrast, improving display quality.

Description

Liquid crystal display panel, display screen and tablet computer

Technical field

The utility model is related to a kind of tablet computer accessory technical field more particularly to liquid crystal display panel, display screen and tablets Computer.

Background technology

Currently, the electronic equipments such as tablet computer, smart mobile phone would generally use liquid crystal display（Liquid Crystal Display, LCD）It is shown as high definition.And since high-definition display screen used in tablet computer, smart mobile phone etc. is using general Lead to nonopiate polaroid, causes to generate more serious leakage problem, influence display screen contrast, and then influence its display product Matter.

Utility model content

The utility model aim is to provide a kind of liquid crystal display panel, display screen and tablet computer, has high display quality.

The above-mentioned technical purpose of the utility model technical scheme is that：

The utility model provides a kind of liquid crystal display panel, including set gradually：First polaroid, the first biaxial compensation film, First substrate, liquid crystal including the first transparent substrate and colored filter and transparency conducting layer including thin film transistor (TFT) and second The second substrate of transparent substrate, the second biaxial compensation film, and, the second polaroid.

In this way, orientation angle compensation can be carried out using biaxial compensation film, avoid only with tight caused by nonopiate polaroid Weight leakage problem, improves display screen contrast, improves display quality.

Further, the first substrate includes at least one arranging lug, the optical density (OD) of the arranging lug with μm For unit when, the arranging lug averagely arrive each μ m thick optical density (OD) value range be [0.3,5].

In this way, transparent arranging lug dark-state light leakage can be reduced in traditional multizone vertical arrangement technical foundation, improve Liquid crystal display panel wide-angle colour cast problem promotes the penetrance of pixel aperture ratio and liquid crystal display panel, so that screen is presented more wide The working region of effective area and relatively sharp exquisiteness, further improves display quality.

Further, the constituent material of the arranging lug is uniformly distributed, the optics of each μ m thick of arranging lug Density value range is [0.3,3].

Further, some materials non-uniform Distribution that optical density (OD) is regulated and controled in the constituent material of the arranging lug, with Make in the arranging lug with a light transmission passage for detecting alignment mark on the first substrate.

In this way, even if the optical density (OD) that arranging lug averagely arrives each μ m thick is more than 3, the light transmission passage in arranging lug Also the alignment mark on first substrate can be made not to be arranged convex block to shelter from completely, can be detected in the exposure technology stage It measures, so that the alignment mark on first substrate is aligned with the alignment mark realization on second substrate, without using to fiducial mark It avoids designing and ensureing pixel aperture ratio and save to avoid design cost between note and arranging lug.

Further, the arranging lug section shape is triangle, trapezoidal, square, rectangle or semicircle.

In this way, the arranging lug of regular shape can reduce the design cost of mask, especially with more arranging lug situations Under, cost advantage is apparent.

Further, in the constituent material of the arranging lug, basic material uses inorganic compound and/or organic compound The some materials of object, the regulation and control optical density (OD) use carbon black and/or dyestuff.

The utility model also provides a kind of display screen, including：Outline border is loaded into the outline border, such as above-mentioned liquid crystal Panel and backlight module are provided with buffering glue frame between the outline border and the liquid crystal display panel and/or the backlight module.

In this way, when the electronic product of the loaded and displayeds screen such as tablet computer falls situation, the impact suffered by outline border Power can be buffered when being transmitted by glue frame, so that the impact force that liquid crystal display panel, backlight module are subject to reduces, while stress Also it can substantially reduce, reduce component in liquid crystal display panel, backlight module and be hit and broken possibility, barrier propterty is higher.

Further, the backlight module includes：Light source, and, it sets gradually：

First diffusion barrier, the first brightness enhancement film, the second brightness enhancement film, the second diffusion barrier, light guide plate and reflectance coating,

First diffusion barrier both sides are respectively second polaroid, the first brightness enhancement film,

The light guide plate receives the light of the light source transmitting,

It is covered with diffuser outside the light source.

The utility model also provides a kind of tablet computer, including：Such as above-mentioned display screen.

In conclusion the utility model mainly has the advantages that：

1. introducing the polaroid viewing angle compensation membrane technology based on biaxial compensation film, it can be achieved that orientation angle compensation, effectively avoids The leakage problem caused by nonopiate polaroid improves the contrast of display screen, improves product quality.

2., can be in traditional multizone vertical arrangement technology base using the arranging lug with predetermined optical density on substrate Transparent arranging lug dark-state light leakage is reduced on plinth, improves display quality.

3. setting buffering glue frame, reduces in liquid crystal display panel, backlight module between outline border and liquid crystal display panel, backlight module Component is hit and broken possibility, and barrier propterty is higher.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the primary structure schematic diagram of the display screen of the tablet computer of the utility model embodiment one.

Fig. 2 is the decomposition texture schematic diagram of the display screen of the tablet computer of the utility model embodiment one.

Fig. 3 be the utility model embodiment two liquid crystal display panel in first substrate and arranging lug dependency structure and corresponding The schematic diagram of position light leakage intensity.

Fig. 4 be the utility model embodiment three liquid crystal display panel in first substrate and arranging lug dependency structure and corresponding The schematic diagram of position light leakage intensity.

Reference numeral：1, outline border；2, liquid crystal display panel；21, the first polaroid；22, the first biaxial compensation film；23, the first glass Glass substrate；24, colored filter；25, transparency conducting layer；26, liquid crystal；27, thin film transistor (TFT)；28, the second glass substrate；29、 Second biaxial compensation film；210, the second polaroid；3, backlight module；31, light source；32, the first diffusion barrier；33, the first brightness enhancement film； 34, the second brightness enhancement film；35, the second diffusion barrier；36, light guide plate；37, reflectance coating；38, diffuser；4, glue frame is buffered；100, first Substrate；200, second substrate；300, light transmission passage.

Specific implementation mode

In the following detailed description, it is proposed that many details, in order to the comprehensive understanding to the utility model.But It is, it will be apparent to those skilled in the art that the utility model can be in one in not needing these details Implement in the case of a little details.Below the description of embodiment is used for the purpose of providing by showing the example of the utility model The utility model is more fully understood.

Below in conjunction with attached drawing, the technical solution of the utility model embodiment is described.

Embodiment one：

As shown in Figure 1, the present embodiment be related to a kind of tablet computer, it can be achieved that using APP operation, network connection and data Transmission etc., serves consumer entertainment, office etc., specifically includes：The existing conventional structure such as display screen, mainboard and shell.Wherein, it shows Display screen includes：Outline border 1, the liquid crystal display panel 2 and backlight module 3 being loaded into outline border 1, outline border 1 and liquid crystal display panel 2 and backlight mould Buffering glue frame 4 is provided between group 3.In other embodiments, buffering glue frame 4 may be provided between outline border 1 and liquid crystal display panel 2, Or setting can equally play cushioning effect between outline border 1 and buffering glue frame 4.

In this way, when tablet computer falls situation, the impact force suffered by outline border 1 can obtain when being transmitted by glue frame 4 To buffering, so that the impact force that liquid crystal display panel 2, backlight module 3 are subject to reduces, while stress also can substantially reduce, and reduce Component is hit in liquid crystal display panel 2, backlight module 3 and broken possibility, barrier propterty are higher.

As shown in Fig. 2, in the present embodiment, liquid crystal display panel 2 includes setting gradually：

First polaroid 21, the first biaxial compensation film 22, the first glass substrate 23, colored filter 24, transparency conducting layer 25, liquid crystal 26, thin film transistor (TFT) 27, the second glass substrate 28, the second biaxial compensation film 29 and the second polaroid 210.Wherein, First glass substrate 23, colored filter 24 and transparency conducting layer 25 constitute first substrate 100, thin film transistor (TFT) 27 and the second glass Glass substrate 28 constitutes second substrate 200 and is avoided only with nonopiate in this way, can carry out orientation angle compensation using biaxial compensation film Serious leakage problem, improves display screen contrast caused by polaroid, improves display quality.

Backlight module 3 includes：Light source 31, and, it sets gradually：First diffusion barrier 32, the first brightness enhancement film 33, second increase Bright film 34, the second diffusion barrier 35, light guide plate 36 and reflectance coating 37,32 both sides of the first diffusion barrier be respectively the second polaroid 210, First brightness enhancement film 33.Light guide plate 36 receives the light that light source 31 emits.To be transmitted into the protection of line light source and light, outside light source 31 It is covered with diffuser 38.

Buffering glue frame 4 is coated on the periphery in the extension direction of liquid crystal display panel 2 and backlight module 3.

Correspondingly, the present embodiment also provides a kind of production method such as above-mentioned liquid crystal display panel, including：

Under the conditions of temperature range value is [35,70] DEG C, using roller by first with the first biaxial compensation film 22 Polaroid 21 is pressed on first substrate 100, the second polaroid 210 with the second biaxial compensation film 29 is pressed on the second base On plate 200.

In this way, fully heating in bonding processes, can avoid generating bubble between polaroid and substrate as far as possible, after shortening Continuous deaeration processing procedure, improves product quality and working efficiency.

In addition, in the above-mentioned methods, equidistant gluing new technology, associative array vacuum cup can also be used to fix, led to The mobile route of excess pressure idler wheel matches the formation gluing path parallel with liquid crystal panel surface, and uses pneumatic buffer side Formula realizes that the distance between injecting glue syringe needle and liquid crystal panel surface are fixed, overcome traditional coating technique injecting glue gap greatly, on injecting glue The defects of inclined, has been obviously improved gluing qualification rate, ensures the display quality of panel display screen.

Also, high-efficiency dustless production management technology can also be designed, using the cycle based on one-way flow Air Distribution Air-conditioning system, air purity are controlled at 1K grade, are added dust free room LCD multi-points and are standardized and beat frame and air gun brushes phase In conjunction with rapid cleaning technique, clearly beat point be liquid crystal display removing circuit plate design while other three while amount at ten two points, It beats and brushes angle with air gun and control at 45 °, remove foreign matter dust fall to greatest extent, ensure that the assembling environment of high-efficiency dustless.

Embodiment two：

The present embodiment is essentially consisted in other embodiment difference：As shown in figure 3, in the present embodiment, first substrate 100 wraps Include at least one arranging lug 251, when the optical density (OD) of arranging lug 251 is μm to be unit, arranging lug 251 averagely arrives each The optical density (OD) value range of μ m thick is [0.3,5], preferably can be [0.3,3], [0.9,1.2].The definition of optical density (OD) is Log (1/T), T are penetrance（0-100%）If for example, transparent material of the arranging lug 251 using penetrance 100%, optics Density corresponds to 0, if arranging lug 251 using penetrance level off to 0 black material when, optical density (OD) levels off to infinitely Greatly.In terms of the light leakage curve in Fig. 3, dotted line reflection is using the light leak situation of the arranging lug of existing optical density (OD), solid line Reflection is the light leak situation using the arranging lug of optical density (OD) range [0.9,1.2] indicated by the present embodiment, it is evident that phase For the prior art, the present embodiment can reduce transparent arranging lug 251 in traditional multizone vertical arrangement technical foundation Dark-state light leakage, improve liquid crystal display panel wide-angle colour cast problem, promote the penetrance of pixel aperture ratio and liquid crystal display panel, make screen The working region of more wide effective area and relatively sharp exquisiteness is presented in curtain, further improves display quality.

In the present embodiment, the constituent material of arranging lug 251 is uniformly distributed, the light of 251 each μ m thick of arranging lug It is [0.3,3] to learn density value range.In the constituent material of arranging lug 251, basic material is using inorganic compound and/or has The some materials of machine compound, the regulation and control optical density (OD) use carbon black and/or dyestuff.251 section shape of arranging lug is three Angular, trapezoidal, square, rectangle or semicircle etc., in this way, the arranging lug 251 of regular shape can reduce being designed to for mask This, especially in the case that with more arranging lugs 251, cost advantage is apparent.

In specific implementation, indium tin oxide can be used in transparency conducting layer 25（ITO）, aluminium zinc oxide etc..Arranging lug 251 can be used different colours, such as：Blue, green, red etc..

Embodiment three：

The present embodiment is essentially consisted in the difference of embodiment two：As shown in figure 4, in the present embodiment, the composition of arranging lug 251 Regulate and control some materials non-uniform Distribution of optical density (OD) in material, so as to have one to be used to detect the first base in arranging lug 251 The light transmission passage 300 of alignment mark on plate 100.

Specifically when realizing, it can realize in the following way：As shown in figure 4, in the light transmission passage 300 of arranging lug 251 Position is not provided with some materials of regulation and control optical density (OD), alternatively, some materials concentration of light transmission passage situation monitoring optical density (OD) Accounting does not interfere with the translucency on light transmission passage 300, final to realize the alignment mark that detected on first substrate 100.

In this way, even if the optical density (OD) that arranging lug 251 averagely arrives each μ m thick is more than 3,4 or 5 degree, row are reached Light transmission passage on row convex block 251 can also make the alignment mark on first substrate 100 not to be arranged convex block 251 to block completely Firmly, it can be detected, make on alignment mark and the second substrate 200 on first substrate 100 in the exposure technology stage Alignment mark realizes alignment, without using avoiding designing and ensure pixel and open between alignment mark and arranging lug 251 Mouthful rate simultaneously saves and avoids design cost.

Example IV：

The present embodiment is essentially consisted in other embodiment difference：As shown, in the present embodiment, outline border 1 includes：First frame Body, and the second framework mutually assembled with the first framework, can be by snap into luggage between the first framework and second framework Match, buffering glue frame 4 includes：The the first buffer sublayer glue frame mutually assembled with the first framework, and the with the assembly of 12 phase of second framework Two buffer sublayer glue frames, the first buffer sublayer glue frame are stacked with the second buffer sublayer glue frame.

Realize that above-mentioned technical proposal, the first framework are respectively provided with corresponding buffer sublayer glue frame, it can be achieved that liquid with second framework The comprehensive buffer protection of crystal panel, backlight module.

In the present embodiment, the first buffer sublayer glue frame is provided with positioning with the second buffer sublayer glue frame in the position being superimposed with each other Structure.Realize above-mentioned technical proposal, when being assembled, rigging position can be more accurate between buffer sublayer glue frame.

Specifically, location structure can be positioning protrusion and positioning groove.

Embodiment five：

The present embodiment is essentially consisted in other embodiment difference：In the present embodiment, if polaroid may include photopolymer layer, wherein Part film layer is conductive layer, and part film layer is polarizing function layer, wherein being provided with capillary channel in specified film layer, specifies film layer For conductive layer or the polarizing function layer adjacent with conductive layer, these capillary channels these specify film layer be used for and conducting resinl On the side of contact have several openings, when specified film layer be the polarizing function layer adjacent with conductive layer when, capillary channel and Conductive layer is connected to.

Realize above-mentioned technical proposal, it is conductive due to the diffusion effect of capillary when the side of polaroid coats conducting resinl Glue can flow into capillary channel and conductive layer contact, increases the contact area between conducting resinl and conductive layer, ensures conductive Glue and conductive layer come into full contact with.

Above example is only to illustrate the technical solution of the utility model, rather than is carried out to the protection domain of utility model Limitation.Obviously, described embodiment is only the utility model section Example, rather than whole embodiments.Based on these Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the utility model scope of the claimed.Although the utility model is described in detail with reference to above-described embodiment, Those of ordinary skill in the art can still not make creative work and respectively implement to the utility model in the absence of conflict Feature in example is according to circumstances combined with each other, additions and deletions or makees other adjustment, to obtain different, essence without departing from this practicality newly The other technologies scheme of the design of type, these technical solutions similarly belong to the utility model scope of the claimed.

Claims (9)

1. a kind of liquid crystal display panel, which is characterized in that including what is set gradually：First polaroid, the first biaxial compensation film including The first substrate of one transparent substrate and colored filter and transparency conducting layer, liquid crystal including thin film transistor (TFT) and the second transparent base The second substrate of plate, the second biaxial compensation film, and, the second polaroid.

2. liquid crystal display panel according to claim 1, which is characterized in that the first substrate includes that at least one arrangement is convex Block, when the optical density (OD) of the arranging lug is μm to be unit, the arranging lug averagely arrives the optical density (OD) of each μ m thick Value range is [0.3,5].

3. liquid crystal display panel according to claim 2, which is characterized in that the constituent material of the arranging lug is uniformly distributed, The optical density (OD) value range of each μ m thick of arranging lug is [0.3,3].

4. liquid crystal display panel according to claim 2, which is characterized in that regulate and control optics in the constituent material of the arranging lug The some materials non-uniform Distribution of density, so as to have one to be used to detect on the first substrate to fiducial mark in the arranging lug The light transmission passage of note.

5. liquid crystal display panel according to claim 2, which is characterized in that the arranging lug section shape is triangle, ladder Shape, square, rectangle or semicircle.

6. liquid crystal display panel according to claim 4, which is characterized in that in the constituent material of the arranging lug, basic material Material uses inorganic compound and/or organic compound, some materials of the regulation and control optical density (OD) to use carbon black and/or dyestuff.

7. a kind of display screen, including：Outline border is loaded into liquid crystal in the outline border, as described in any one of claim 1-6 Panel and backlight module are provided with buffering glue frame between the outline border and the liquid crystal display panel and/or the backlight module.

8. display screen according to claim 7, which is characterized in that the backlight module includes：Light source, and, it sets successively It sets：

First diffusion barrier, the first brightness enhancement film, the second brightness enhancement film, the second diffusion barrier, light guide plate and reflectance coating,

First diffusion barrier both sides are respectively second polaroid, the first brightness enhancement film,

The light guide plate receives the light of the light source transmitting,

It is covered with diffuser outside the light source.

9. a kind of tablet computer, which is characterized in that including：Display screen as claimed in claim 7.