CN209117904U - A kind of bottom polaroid and LCD MODULE - Google Patents
A kind of bottom polaroid and LCD MODULE Download PDFInfo
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- CN209117904U CN209117904U CN201822233379.7U CN201822233379U CN209117904U CN 209117904 U CN209117904 U CN 209117904U CN 201822233379 U CN201822233379 U CN 201822233379U CN 209117904 U CN209117904 U CN 209117904U
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- esf
- polarizing film
- reflection type
- type polarizing
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Abstract
The utility model discloses a kind of bottom polaroid and LCD MODULE, indsole polaroid includes the adhesive-layer being stacked from top to bottom, the first quarter-wave plate and ESF reflection type polarizing film.The utility model is by having the bottom polaroid of ESF reflection type polarizing film in the setting of the lower section of LCD MODULE, since the transmitance of ESF reflection type polarizing film is 50% or so, higher than the transmitance of line polarisation piece, and ESF reflection type polarizing film can pass through the linearly polarized light parallel with its transmission axis, other light can first be reflected back toward backlight module, then ESF reflection type polarizing film can be reflected back by backlight again, carry out repeated screening, eventually form linearly polarized light only parallel with the transmission axis of ESF reflection type polarizing film, to promote the display brightness of LCD MODULE.
Description
Technical field
The utility model relates to technical field of liquid crystal display, relate more specifically to a kind of bottom polaroid and liquid crystal display mode
Block.
Background technique
Usual liquid crystal display device includes LCD MODULE and backlight module (Back Light Module), wherein
Backlight module is located at below LCD MODULE, to supply brightness sufficiently with the light source that is evenly distributed, enables LCD MODULE
Enough normal display images.Wherein LCD MODULE includes liquid crystal display panel and to be attached to liquid crystal display panel respectively upper and lower
The rotatory polarization piece (polarizer) on surface.As shown in Figure 1, be LCD MODULE structural schematic diagram, including from top to bottom according to
The secondary First Line polaroid a being stacked, the first quarter-wave plate b, color membrane substrates c, liquid crystal layer d, array substrate e, second
Quarter-wave plate f and the second line polarisation piece g, wherein color membrane substrates c, liquid crystal layer d and array substrate e form liquid described above
LCD panel, the rotatory polarization piece of the first line polarisation a piece and the first quarter-wave plate b composition liquid crystal display panel upper surface,
The rotatory polarization piece of second quarter-wave plate f and the second line polarisation piece g composition liquid crystal display panel lower surface.
Liquid crystal display device described above is using the whereabouts film for arranging liquid crystal molecule perpendicular to orientation substrate, not
In the case where power-up, the perpendicular oblique arrangement of liquid crystal molecule realizes that dark-state is shown；Liquid crystal molecule is in the state of applying full voltage
It is horizontally arranged, realize that illuminated state is shown.Wherein, the slow axis angle of line polarisation piece and quarter-wave plate is 45 °, and principle is existing
Routine techniques, since the liquid crystal display device uses First Line polaroid and the second line polarisation piece, and the transmission of line polarisation piece
Rate only has 42% or so, and transmitance is low, causes the brightness of entire display module lower.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of raising transmitance and display brightness
Bottom polaroid and LCD MODULE.
The utility model technical effect to be achieved passes through following scheme and realizes: a kind of bottom polaroid, including from upper past
Under the adhesive-layer, the first quarter-wave plate and the ESF reflection type polarizing film that are stacked.
Preferably, the material of first quarter-wave plate is cyclic olefin polymer.
Preferably, the adhesive-layer is pressure sensitive adhesive.
Preferably, the ESF reflection type polarizing film with a thickness of 20 μm -30 μm.
A kind of LCD MODULE, including the rotatory polarization piece, liquid crystal display panel and bottom polarisation being stacked from top to bottom
Piece, the bottom polaroid include the adhesive-layer being successively stacked far from liquid crystal display panel, the first quarter-wave plate and ESF
Reflection type polarizing film.
Preferably, the liquid crystal display panel includes the color membrane substrates, liquid crystal layer and battle array being cascading from top to bottom
Column substrate, the rotatory polarization piece are fixed at the upper surface of color membrane substrates, and the bottom polaroid is fixed at array substrate
Lower surface.
Preferably, the material of first quarter-wave plate is cyclic olefin polymer.
Preferably, the adhesive-layer is pressure sensitive adhesive.
Preferably, the rotatory polarization piece includes the two or four point be successively stacked from the bottom up far from liquid crystal display panel
One of wave plate and line polarisation piece.
The utility model has the advantage that
The utility model by the lower section of LCD MODULE setting have ESF reflection type polarizing film bottom polaroid,
Since the transmitance of ESF reflection type polarizing film is 50% or so, higher than the transmitance of line polarisation piece, and ESF reflection type polarizing film can
Can pass through the linearly polarized light parallel with its transmission axis, other light can first be reflected back toward backlight module, then again
It can be reflected back ESF reflection type polarizing film by backlight, carry out repeated screening, eventually form only saturating with ESF reflection type polarizing film
The parallel linearly polarized light of axis is crossed, to promote the display brightness of LCD MODULE.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of LCD MODULE in the prior art；
Fig. 2 is a kind of structural schematic diagram of bottom polaroid in the utility model；
Fig. 3 is the structural schematic diagram of LCD MODULE in the utility model.
Specific embodiment
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, be constructed and operated in a specific orientation, 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, be also possible to be electrically connected；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.
Embodiment one
As shown in Fig. 2, the utility model embodiment one provides a kind of bottom polaroid, it is viscous including what is be stacked from top to bottom
Glue-line 10, the first quarter-wave plate 20 and ESF reflection type polarizing film 30.The first quarter-wave plate 20(QWP) and ESF
Reflection type polarizing film 30 forms rotatory polarization piece, the rotatory polarization piece phase formed with quarter-wave plate 20 in the prior art and line polarisation
Than the transmitance of ESF reflection type polarizing film 30 is 50% or so, and higher than the transmitance of line polarisation piece, and line polarisation piece does not have increasing
The function of light, and ESF reflection type polarizing film 30 be due to that can pass through the linearly polarized light parallel with its transmission axis,
Its light can first be reflected back toward backlight module, then can be reflected back ESF reflection type polarizing film 30 by backlight again, be sieved repeatedly
Choosing, eventually forms linearly polarized light only parallel with the transmission axis of ESF reflection type polarizing film 30, to promote LCD MODULE
Display brightness.
In the present embodiment, the adhesive-layer 10 is used for the bottom polaroid is Nian Jie with the lower end surface of liquid crystal display panel solid
Fixed, further, the adhesive-layer 10 is preferably pressure sensitive adhesive (PSA).
In the present embodiment, the material of first quarter-wave plate 20 is cyclic olefin polymer (COP).Described 1st
The wave-length coverage of/mono- wave plate 20 is 100 nm ~ 140nm.
As further improvement of this embodiment, the ESF reflection type polarizing film 30 with a thickness of 20 μm -30 μm.Usually
Adhesive-layer 10 with a thickness of 5 μm -15 μm, the first quarter-wave plate 20 with a thickness of 5 μm -30 μm, then the thickness of bottom polaroid
Range is 30 μm -75 μm, the thinner slimming for being conducive to entire liquid crystal display.
ESF reflection type polarizing film 30 described in the present embodiment can be made using the research and development of Hong Teng company, and effect is similar to
The made advanced polarizing coating (APF) of bright enhancement film (DEBF) or 3M company, what the ESF reflection type polarizing film 30 both combined
Advantage, not only can be improved transmitance but also can be with blast LCD MODULE.
Embodiment two
As shown in figure 3, the utility model embodiment two provides a kind of LCD MODULE, including it is stacked from top to bottom
Rotatory polarization piece 100, bottom polaroid 300 described in liquid crystal display panel 200 and embodiment one, the bottom polaroid 300 includes
Adhesive-layer 10, the first quarter-wave plate 20 and the ESF reflection type polarizing film being successively stacked far from liquid crystal display panel 200
30。
By the way that bottom polaroid 300 to be arranged in the lower section of liquid crystal display panel 200, indsole polaroid in the present embodiment
It include ESF reflection type polarizing film 30 in 300, the transmitance of ESF reflection type polarizing film 30 is 50% or so, higher than line polarisation piece
Transmitance, and ESF reflection type polarizing film 30 can pass through the linearly polarized light parallel with its transmission axis, other light
It can be first reflected back toward backlight module, then can be reflected back ESF reflection type polarizing film 30 by backlight again, carry out repeated screening, finally
Linearly polarized light only parallel with the transmission axis of ESF reflection type polarizing film 30 is formed, to promote the display of LCD MODULE
Brightness.
As further improvement of this embodiment, the material of first quarter-wave plate 20 is cyclic olefin polymer
(COP).Further, the adhesive-layer 10 is preferably pressure sensitive adhesive (PSA).
As further improvement of this embodiment, the rotatory polarization piece 100 includes from the bottom up successively far from liquid crystal display
The second quarter-wave plate 110 and line polarisation piece 120 that panel 200 is stacked.Second quarter-wave plate 210 and line are inclined
Mating plate 220 is to have in the prior art, and therefore not to repeat here.
In the present embodiment, the liquid crystal display panel 200 include be cascading from top to bottom color membrane substrates 210,
Liquid crystal layer 220 and array substrate 230, the rotatory polarization piece 100 are fixed at the upper surface of color membrane substrates 210, and the bottom is inclined
Mating plate 300 is fixed at the lower surface of array substrate 230.Its concrete mode being fixedly installed can be not construed as limiting, can be only
It is that coining fixation can also be carried out on the basis of being adhesively fixed by being adhesively fixed.
LCD MODULE described in the present embodiment can be applied in VA-TFT display device, but not limited to this.
Finally, it should be noted that above embodiments be only to illustrate the technical solution of the embodiment of the present invention rather than to its into
Row limitation, although the embodiment of the present invention is described in detail referring 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 modified 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 (4)
1. a kind of bottom polaroid, which is characterized in that including be stacked from top to bottom adhesive-layer, the first quarter-wave plate and
ESF reflection type polarizing film, the material of first quarter-wave plate are cyclic olefin polymer, and the adhesive-layer is pressure sensitive adhesive,
The ESF reflection type polarizing film with a thickness of 20 μm -30 μm.
2. a kind of LCD MODULE, which is characterized in that including rotatory polarization piece, the liquid crystal display panel being stacked from top to bottom
With bottom polaroid, the bottom polaroid includes the adhesive-layer being successively stacked far from liquid crystal display panel, the first a quarter
Wave plate and ESF reflection type polarizing film, the material of first quarter-wave plate are cyclic olefin polymer, and the adhesive-layer is pressure
Quick glue, the ESF reflection type polarizing film with a thickness of 20 μm -30 μm.
3. LCD MODULE as claimed in claim 2, which is characterized in that the liquid crystal display panel include from top to bottom according to
The secondary color membrane substrates being stacked, liquid crystal layer and array substrate, the rotatory polarization piece are fixed at the upper surface of color membrane substrates,
The bottom polaroid is fixed at the lower surface of array substrate.
4. LCD MODULE as claimed in claim 2, which is characterized in that the rotatory polarization piece includes successively remote from the bottom up
The second quarter-wave plate and line polarisation piece that chaotropic LCD panel is stacked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233379.7U CN209117904U (en) | 2018-12-28 | 2018-12-28 | A kind of bottom polaroid and LCD MODULE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233379.7U CN209117904U (en) | 2018-12-28 | 2018-12-28 | A kind of bottom polaroid and LCD MODULE |
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| Publication Number | Publication Date |
|---|---|
| CN209117904U true CN209117904U (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822233379.7U Active CN209117904U (en) | 2018-12-28 | 2018-12-28 | A kind of bottom polaroid and LCD MODULE |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679485A (en) * | 2020-06-10 | 2020-09-18 | Tcl华星光电技术有限公司 | Reflective display device and manufacturing method thereof |
-
2018
- 2018-12-28 CN CN201822233379.7U patent/CN209117904U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679485A (en) * | 2020-06-10 | 2020-09-18 | Tcl华星光电技术有限公司 | Reflective display device and manufacturing method thereof |
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