CN207908729U - Polaroid film group and the liquid crystal display die set for using the polaroid film group - Google Patents
Polaroid film group and the liquid crystal display die set for using the polaroid film group Download PDFInfo
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- CN207908729U CN207908729U CN201820420638.4U CN201820420638U CN207908729U CN 207908729 U CN207908729 U CN 207908729U CN 201820420638 U CN201820420638 U CN 201820420638U CN 207908729 U CN207908729 U CN 207908729U
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- polaroid
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- crystal display
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Abstract
The utility model discloses the liquid crystal display die sets of polaroid film group and use the polaroid film group, liquid crystal display die set includes the backlight module set gradually from the bottom up, polaroid film group, liquid crystal display panel and upper polaroid layer, and polaroid film group includes the WGF films being cascading from the bottom up, the first support membrane, PVA film and the second support membrane.By increasing WGF films in polaroid film group, light enhancing effect can reach 30% or so, can be single to avoid the supplier of brightness enhancement film in polaroid film group, reduce the cost of polaroid film group.
Description
Technical field
The utility model is related to display technology fields, relate more specifically to polaroid film group and using the polaroid film group
Liquid crystal display die set.
Background technology
With high-tech development, video product, especially digitized video or device for image have become general
Common product in daily life.In these digitized videos or device for image, display device is a significant components,
To show relevant information.User can be read information, or the running of control device in turn by display.
By favor due to liquid crystal display device is because of power saving, driving voltage is low and manufacture is easy.Wherein, liquid crystal display device is logical
Backlight module is crossed to provide on light to display panel to show picture.
General liquid crystal display device includes liquid crystal display panel and backlight module (Back Light Module),
Middle backlight module is located at below liquid crystal display panel, to supply brightness fully with the light source that is evenly distributed, makes liquid crystal display panel
It can normally show image.And liquid crystal display panel includes LCD and is attached to LCD polarizing layers upper and lower surfaces of respectively
(polarizer).In the prior art in order to increase the brightness of display, it will usually in the lower surface of the polarizing layer close to backlight module
If APF films（APF films are a kind of reflection-type polarisation ultra thin optical films, and brightness and visible angle can be improved, and can improve polaroid can
By property）, APF films make backlight module come out light ceaselessly reflected between APF films and backlight module, so that light is converted into therewith
On the one hand the parallel linearly polarized light of penetrating shaft can cause light that can be lost in ceaselessly reflection process to achieve the effect that blast,
Light enhancing effect is enabled to reduce, another aspect APF films are monopolized by 3M and supplied, and the cost is relatively high for polarizing layer.
Invention content
In order to solve the deficiencies in the prior art, the utility model provides a kind of with brightening effect and cost reduction
Polaroid film group and using the polaroid film group liquid crystal display die set.
The utility model institute technique effect to be achieved is realized by following scheme：A kind of polaroid film group, including under
WGF films, the first support membrane, PVA film and the second support membrane being up cascading.
Preferably, QWP films are additionally provided with below the WGF films.
Preferably, pass through PSA glue laminatings between the QWP films and WGF films, between WGF films and the first support membrane.
Preferably, pass through PVA water solubilitys between first support membrane and PVA film, between PVA film and the second support membrane
Glue laminating.
A kind of liquid crystal display die set, including polaroid film group described above further include being arranged below polaroid film group
Backlight module and the liquid crystal display panel and upper polaroid layer that are successively set on from the bottom up above polaroid film group.
Preferably, the polaroid film group is attached at the lower surface of liquid crystal display panel by optical cement.
Preferably, the upper polaroid layer is attached at the upper surface of liquid crystal display panel by optical cement.
Preferably, the upper polaroid layer includes the first support membrane being cascading from the bottom up, PVA film and second
Support membrane.
Preferably, pass through PVA water-soluble glues between first support membrane and PVA film, between PVA film and the second support membrane
Fitting.
The utility model has the following advantages：
1, by increasing WGF films in polaroid film group, light enhancing effect can reach 30% or so, can be to avoid polaroid
The supplier of brightness enhancement film is single in film group, reduces the cost of polaroid film group；
2, liquid crystal display mode can be further increased by adding QWP films by the lower surface of the WGF films in polaroid film group
The overall brightness of group, improves the brightening effect of WGF films.
Description of the drawings
Fig. 1 is the structural schematic diagram of liquid crystal display die set in the utility model；
Fig. 2 is the light transforming principle figure in liquid crystal display die set in the utility model.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the utility model.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,
Feature can explicitly or implicitly include one or more this feature." multiple " contain in the description of the present invention,
Justice is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
As shown in Figure 1, the utility model embodiment provides a kind of liquid crystal display die set, including set gradually from the bottom up
Backlight module 100, polaroid film group 200, liquid crystal display panel 300 and upper polaroid layer 400.Wherein upper polaroid layer 400 is logical
The upper surface that optical cement is attached at liquid crystal display panel 300 is crossed, polaroid film group 200 is attached at LCD display by optical cement
The lower surface of plate 300.Wherein backlight module 100 is located at the lower section of liquid crystal display panel 300, with supply brightness fully be evenly distributed
Light source, so that liquid crystal display panel 300 is normally shown image.
In the utility model embodiment, the polaroid film group 200 includes the WGF films being cascading from the bottom up
220（Full name wire grid polarizer film, producer is Asahi Kasei corporation, be one kind by nanoscale
Metal wire rod composition optical film material, the linearly polarized light for allowing to be parallel to its penetrating shaft penetrates, while can will be not parallel to
The light of its penetrating shaft reflects back）, the first support membrane 230, PVA film 240（Polyvinyl alcohol film）With the second support membrane 250.
The material of first support membrane 230 and the second support membrane 250 described in the utility model is preferably all TAC（Three acetic acid
Cellulose membrane）Or the material of 230 and second support membrane 250 of the first support membrane is preferably all COP.
As a further improvement, the lower section of the WGF films 220 is additionally provided with QWP films 210（Quarter-wave plate）.QWP films
210 be common quarter-wave plate in polarization area, when linearly polarized light vertical incidence QWP films 210, and the polarization and cloud of light
Female axial plane (vertical natural parting plane) is into θ angle, at elliptically polarized light after outgoing.Especially when θ=45 °, emergent light is that circle is inclined
Shake light.
By increasing WGF films 220 in polaroid film group in the utility model, light enhancing effect can reach 30% or so, can
Supplier to avoid brightness enhancement film in polaroid film group is single, reduces the cost of polaroid film group.
On the other hand, the utility model can increase liquid crystal display by adding QWP films 210 in the lower surface of WGF films 220
The overall brightness of module improves the brightening effect of WGF films 220.Concrete principle as shown in Fig. 2, backlight module 100 be emitted from
1. right light passes through QWP films 210, then directive WGF films 220, in natural light 2. the linearly polarized light parallel with 220 penetrating shaft of WGF films leads to
It crosses, 3. the linearly polarized light vertical with 220 penetrating shaft of WGF films is reflected back toward QWP films 210, become rotatory polarization 4.（Or elliptical polarization
Light）, 4. rotatory polarization inverts in backlight, the rotatory polarization after inverting is converted into and WGF films 5. using QWP films 210
6., 6. linearly polarized light forms linearly polarized light by WGF films 220 and is 7. emitted 220 parallel linearly polarized lights, to reduce reflection time
Number loses caused by reducing multiple reflections, improves brightening effect.
Between QWP films described in the utility model embodiment 210 and WGF films 220, WGF films 220 and the first support membrane 230
Between by PSA glue laminatings, between the first support membrane 230 and PVA film 240, between PVA film 240 and the second support membrane 250
It is bonded by PVA water-soluble glues.
Further, upper polaroid layer described in the utility model 400 includes first to be cascading from the bottom up
Support membrane 230, PVA film 240 and the second support membrane 250, between the first support membrane 230 and PVA film 240, PVA film 240 and second
It is bonded by PVA water-soluble glues between support membrane 250.Each film layer wherein in polaroid film group 200 and upper polaroid layer 400
Between it is seamless, can effectively reduce the thickness of liquid crystal display die set, while can be led to avoid smaller due to each thicknesses of layers
The fold of cause helps to realize the reduction of each thicknesses of layers, to realize the drop of entire liquid crystal display die set thickness and weight
It is low.
Finally, it should be noted that above example be only to illustrate the embodiment of the present invention technical solution rather than to its into
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are changed or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (9)
1. a kind of polaroid film group, which is characterized in that including be cascading from the bottom up WGF films, the first support membrane,
PVA film and the second support membrane.
2. polaroid film group as described in claim 1, which is characterized in that be additionally provided with QWP films below the WGF films.
3. polaroid film group as claimed in claim 2, which is characterized in that between the QWP films and WGF films, WGF films and first
Pass through PSA glue laminatings between support membrane.
4. polaroid film group as described in claim 1, which is characterized in that between first support membrane and PVA film, PVA film
It is bonded by PVA water-soluble glues between the second support membrane.
5. a kind of liquid crystal display die set, which is characterized in that including polaroid film group according to any one of claims 1-4, also
Including the liquid crystal that the backlight module below polaroid film group is arranged and is successively set on from the bottom up above polaroid film group
Show panel and upper polaroid layer.
6. liquid crystal display die set as claimed in claim 5, which is characterized in that the polaroid film group is attached at by optical cement
The lower surface of liquid crystal display panel.
7. liquid crystal display die set as claimed in claim 5, which is characterized in that the upper polaroid layer is attached at by optical cement
The upper surface of liquid crystal display panel.
8. liquid crystal display die set as claimed in claim 5, which is characterized in that the upper polaroid layer includes from the bottom up successively
The first support membrane, PVA film and the second support membrane being stacked.
9. liquid crystal display die set as claimed in claim 8, which is characterized in that between first support membrane and PVA film, PVA
It is bonded by PVA water-soluble glues between film and the second support membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420638.4U CN207908729U (en) | 2018-03-27 | 2018-03-27 | Polaroid film group and the liquid crystal display die set for using the polaroid film group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420638.4U CN207908729U (en) | 2018-03-27 | 2018-03-27 | Polaroid film group and the liquid crystal display die set for using the polaroid film group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207908729U true CN207908729U (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820420638.4U Active CN207908729U (en) | 2018-03-27 | 2018-03-27 | Polaroid film group and the liquid crystal display die set for using the polaroid film group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824604A (en) * | 2019-11-29 | 2020-02-21 | 昆山国显光电有限公司 | Polaroid and OLED display device |
-
2018
- 2018-03-27 CN CN201820420638.4U patent/CN207908729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824604A (en) * | 2019-11-29 | 2020-02-21 | 昆山国显光电有限公司 | Polaroid and OLED display device |
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