CN106842381A - A kind of optical module and display device - Google Patents
A kind of optical module and display device Download PDFInfo
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- CN106842381A CN106842381A CN201710118895.2A CN201710118895A CN106842381A CN 106842381 A CN106842381 A CN 106842381A CN 201710118895 A CN201710118895 A CN 201710118895A CN 106842381 A CN106842381 A CN 106842381A
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- optical module
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The embodiment of the present invention provides a kind of optical module and display device, is related to display technology field, can solve the problem that the larger problem of the light intensity loss of existing display panel.Including transparent the first film layer and the second transparent film layer, being separated by between first film layer and the second film layer has cavity layer, multiple first fin structures are provided with the inside of the first film layer, first fin structure at least includes an inclined-plane, cavity layer is at least surrounded by the inclined-plane of the first fin and the second film layer inner surface and formed, to cause to pass through the second film layer outgoing by a part in the incident light in the first film layer outside, another part returns to the first film layer.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of optical module and display device.
Background technology
With the development and progress of Display Technique, for existing display device, Organic Light Emitting Diode
(Organic Light Emitting Diode, OLED) as a kind of current mode luminescent device, because its self-luminous,
Quick response, wide viewing angle and it is applied in the middle of high-performance display field more and more the features such as can be used for Flexible Displays.
OLED can be divided into PMOLED by type of drive, and (Passive Matrix Driving OLED, passive waked-up has
Machine light emitting diode) and AMOLED (Active Matrix Driving OLED, active matrix-driven organic light-emitting diode)
Two kinds, because AMOLED has the backboard of TFT (Thin Film Transistor, thin film transistor (TFT)) pattern as aobvious using preparation
Show substrate, therefore, displayer not only has low manufacturing cost, answer speed high, saves power consumption, can be used for portable setting
The advantages of standby DC driven, operating temperature range are big etc., can also obtain the bigger capacity of display, more excellent display quality with
And the longer life-span, therefore, AMOLED is considered as one of most promising flat panel display of future generation.
The performances such as brightness and life-span yet with OLED can be subject to structure, material, the TFT techniques of luminescent device etc. many
The influence of factor, brightness is only capable of reaching certain intensity, and about 50% light is due to polarization side in the light that luminescent device sends
To identical with the absorption direction of principal axis of the polaroid being arranged on exiting surface by polaroid stop cannot outgoing, cause the damage of light intensity
Larger, the display brightness to further improve OLED is lost, can only be realized by way of improving electric current, and it is defeated to improve electric current
Enter, the increase of power consumption can be directly resulted in, be unfavorable for energy-conserving and environment-protective.
The content of the invention
The embodiment of the present invention provides a kind of optical module and display device, can solve the problem that the light intensity of existing display panel is damaged
Lose larger problem.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
A kind of one side of the embodiment of the present invention, there is provided optical module, including transparent the first film layer and transparent second
Film layer, being separated by between the first film layer and the second film layer has cavity layer, and multiple first fin structures are provided with the inside of the first film layer,
First fin structure at least includes an inclined-plane, and cavity layer is at least by the inclined-plane and the second film layer inner surface of the first fin structure
Encirclement is formed, and to cause to pass through the second film layer outgoing by a part in the incident light in the first film layer outside, another part is returned
First film layer.
Preferably, the first film layer be arranged in parallel with the second film layer.
Further, multiple second fin structures are provided with the inside of the second film layer, the second fin structure at least includes one
The convex top of individual inclined-plane, the first fin structure and/or the second fin structure is tip.
Further, each first fin structure is right angle trigonometry fin and convex top is the sharp of right angle trigonometry fin
The top of the horn end, two neighboring first fin planform is identical；And/or, each second fin structure be right angle trigonometry fin and
Convex top is the acute angle tip of right angle trigonometry fin, and two neighboring second fin planform is identical；First fin structure with
Second fin planform is identical, and inclined-plane is relative between any the first relative fin structure and the second fin structure.
Further, the tip of each the second fin structure of the second film layer is arranged at two neighboring the of the first film layer
Between the tip of one fin structure, and between the inclined-plane of each the second fin structure and the inclined-plane of corresponding first fin structure
Leave oblique cavity.
Preferably, the vertical plane of each the second fin structure and the first fin knot in corresponding first film layer in the second film layer
Straight cavity is also left between the vertical plane of structure, and adjacent oblique cavity is interconnected by straight cavity.
Preferably, in the first film layer the inclined-plane of multiple first fin structures to centroclinal.
Further, the fluid sealant for being set by edge between the first film layer and the second film layer is connected.
Further, the optical module of the embodiment of the present invention, is additionally included in the polarization layer that the second film layer outside is set, or
Person, the second film layer is polarization layer.
A kind of another aspect of the embodiment of the present invention, there is provided display device, including：Display panel and optics described above
Component, optical module is arranged on the exiting surface of display panel.
The embodiment of the present invention provides a kind of optical module and display device, including transparent the first film layer and transparent second
Film layer, being separated by between the first film layer and the second film layer has cavity layer, and multiple first fin structures are provided with the inside of the first film layer,
First fin structure at least includes an inclined-plane, and cavity layer is at least surrounded by the inclined-plane of the first fin and the second film layer inner surface
Form, to cause to pass through the second film layer outgoing by a part in the incident light in the first film layer outside, another part returns to first
Film layer.Transparent the first film layer and the second transparent film layer is oppositely arranged, wherein the first film layer inner side sets multiple at least including
There is the first fin structure on inclined-plane, formed by being surrounded between the inclined-plane of the first fin structure and the inner surface of the second film layer
The cavity layer being separated by, because inclined-plane is to the change of light direction of propagation effect, changes the light shooting angle of the first film layer, improves the
The light extraction efficiency of one film layer, in making by the incident light in the first film layer outside, a part is by the second film layer outgoing, another part
Light is larger due to incident angle, and the first film layer is reflected back by the second film layer, and original polarization is changed by the light for reflecting
Direction, so that the light for originally being stopped by polarizing layer can reduce light after reflecting at least one times by polarizing layer outgoing
Strong loss, improves the display brightness of OLED.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of optical module provided in an embodiment of the present invention；
Fig. 2 is the structure that the second film layer is provided with the second fin structure in a kind of optical module provided in an embodiment of the present invention
Schematic diagram；
Fig. 3 is that the first fin structure is the structure of right angle trigonometry fin in a kind of optical module provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 be the inclined-plane of each the first fin structure in a kind of optical module provided in an embodiment of the present invention with it is corresponding
The structural representation of oblique cavity is left between the inclined-plane of the second fin structure；
Fig. 5 is that two neighboring oblique cavity is interconnected by straight cavity in a kind of optical module provided in an embodiment of the present invention
Structural representation；
Fig. 6 is that the inclined-plane Jun Xiang centers of multiple first fin structures in a kind of optical module provided in an embodiment of the present invention are inclined
Oblique structural representation；
Fig. 7 is the structure that the second film layer outside is additionally provided with polarization layer in a kind of optical module provided in an embodiment of the present invention
Schematic diagram；
Fig. 8 is that the second film layer is the structural representation of polarization layer in a kind of optical module provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation of display device provided in an embodiment of the present invention.
Reference：
00- optical modules；01- display panels；The film layers of 10- first；11- the first fin structures；110- inclined-planes；20- second
Film layer；21- the second fin structures；30- cavity layers；The oblique cavitys of 31-；The straight cavitys of 32-；40- fluid sealants；50- polarization layers；A- shows
Panel exiting surface.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of optical module, as shown in figure 1, including transparent the first film layer 10 and transparent the
Two film layers 20, being separated by between the first film layer 10 and the second film layer 20 has cavity layer 30, and the inner side of the first film layer 10 is provided with multiple
First fin structure 11, the first fin structure 11 at least includes an inclined-plane 110, and cavity layer 30 is at least by the first fin structure 11
The inner surface of 110 and second film layer of inclined-plane 20 surround and form, to cause by one in the incident light in the outside of the first film layer 10
Divide and pass through the outgoing of the second film layer 20, another part returns to the first film layer 10.
It should be noted that first, the optical module of the embodiment of the present invention, by the first transparent film layer 10 and transparent
Two film layers 20 are combined to form relatively, as shown in figure 1, the outside of the first film layer 10 refers to the first film layer 20 away from the second film layer 20
Side, the inner side of the first film layer 10 refers to the first film layer 20 side relative with the second film layer 20, similarly, in the second film layer 20
Surface refers to the second film layer 20 side relative with the first film layer 10, and the outer surface of the second film layer 20 refers to the second film layer 20 and carries on the back
From the side of the first film layer 10.Light is incident by the outside of the first film layer 10, therefore, the first film layer 10 is to be close to light entrance face side
Film layer.
Second, in the optical module of the embodiment of the present invention, the shape for the first fin structure 11 is not especially limited, only
Meeting the first fin structure 11 at least includes an inclined-plane 110, for example, can be as shown in Figure 1 oblique with one
110, one, face parallel surface and a ladder structure of right angle for vertical plane, or triangle or other at least include one
The geometry on inclined-plane 110.
3rd, because the outside of the first film layer 10 is air, the refractive index of air is smaller, and the refractive index of the first film layer 10 is more than
The refractive index of air, therefore, when being incident to the light inside the first film layer 10 more than critical angle, then can be due in the first film layer 10
Inside occur total reflection phenomenon and cannot be by the outgoing of the first film layer 10.Being set in the inner side of the first film layer 10 at least includes an inclined-plane
110 the first fin structure 11, is incident to the light inside the first film layer 10 when by the 10 inside outgoing of the first film layer, due to
Effect of the ramp 110 of one fin structure 11 to the Angulation changes of internal light, enables to part original due to being all-trans
Penetrate phenomenon and cannot outgoing light can outgoing, increased the light extraction efficiency of the first film layer 10.
As shown in figure 1, the first transparent film layer 10 and the second transparent film layer 20 are transmissive to most light, by
The incident a part of light (as shown in solid arrow in Fig. 1) in the outside of one film layer 10 through the second film layer 20 to the second film layer 20 outside
Side outgoing, another part light (as indicated by the dashed arrow in fig. 1) is reflected back the first film layer 10 by the second film layer 20, is reflected back
Light a, part is passed through towards the second film layer 20, another part after being reflected by the first film layer 10 again through after the first film layer 10
Again to the embodiment of the present invention after anode (anode of usual OLED luminescent layers is metal material) reflection of luminescent layer in OLED
Optical module is launched.
The embodiment of the present invention provides a kind of optical module, including transparent the first film layer and the second transparent film layer, first
Being separated by between film layer and the second film layer has cavity layer, and multiple first fin structures, the first fin are provided with the inside of the first film layer
Structure at least includes an inclined-plane, and cavity layer is at least surrounded by the inclined-plane of the first fin and the second film layer inner surface and formed, with
So that passing through the second film layer outgoing by a part in the incident light in the first film layer outside, another part returns to the first film layer.Thoroughly
Bright the first film layer and the second transparent film layer is oppositely arranged, wherein the first film layer inner side sets multiple at least includes one tiltedly
The first fin structure in face, the sky being separated by is formed by being surrounded between the inclined-plane of the first fin structure and the inner surface of the second film layer
Cavity layer, the change effect due to inclined-plane to the light direction of propagation, changes the light shooting angle of the first film layer, improves the first film layer
Light extraction efficiency, makes by the incident light in the first film layer outside, a part by the second film layer outgoing, another part light due to
Incident angle is larger, and the first film layer is reflected back by the second film layer, and original polarization direction is changed by the light for reflecting, so that
So that the light for originally being stopped by polarizing layer by polarizing layer outgoing, can reduce the loss of light intensity after reflecting at least one times,
Improve the display brightness of OLED.
Preferably, as shown in figure 1, the first film layer 10 be arranged in parallel with the second film layer 20.
So, during light is transmitted and reflected between the first film layer 10 and the second film layer 20, ensure that
The uniformity that light is propagated, it is to avoid due to setting not parallel between the first film layer 10 and the second film layer 20 so that light is by the
The second film layer of directive 20 of one film layer 10, or when returning to the first film layer 10 by the second film layer 20, change the transmission or reflection of light
Direction, causes the light by the outside outgoing of the second film layer 20 uneven, so as to influence display effect.
Further, as shown in Fig. 2 being provided with multiple second fin structures 21, the second fin in the inner side of the second film layer 20
Structure 21 at least includes an inclined-plane, and the convex top of the first fin structure 11 and/or the second fin structure 21 is tip.
So, as shown in Fig. 2 the inner side of the second film layer 20 is also equipped with multiple second fin structures 21, by second
Fin structure 21 is acted on for the change of light, can equally improve the light extraction efficiency of the second film layer 20.
Additionally, when the convex top of the first fin structure 11 and/or the second fin structure 21 is for tip, will can such as scheme
The planar section at top is effectively utilized in the first fin structure 11 shown in 1 so that the first fin structure 11 and/or the second fin
The area on the inclined-plane 110 in structure 21 is maximum, to enable light as much as possible using the change light angle on inclined-plane 110
Effect and outgoing, improve light outgoing efficiency.
Further, as shown in figure 3, each first fin structure 11 is for right angle trigonometry fin and convex top is right angle
The acute angle tip of triangle fin, 11 shapes of two neighboring first fin structure are identical.And/or, each second fin structure 21
For right angle trigonometry fin and convex top are the acute angle tip of right angle trigonometry fin, the two neighboring shape phase of second fin structure 21
Together.First fin structure 11 is identical with the shape of the second fin structure 21, any the first relative fin structure 11 and the second fin
Inclined-plane 110 is relative between structure 21.
As shown in figure 3, each first fin structure 11 is identical with each shape of the second fin structure 21 and is convex
Play the right angle trigonometry fin that top is acute angle tip, also, any relative the first fin structure 11 and the second fin structure 21
Between inclined-plane 110 with respect to (as shown in dotted line frame in Fig. 3), so, be parallel to each other between two relative inclined-planes 110, mutually
Two parallel inclined-planes 110 enable to the light by the film layer 20 of the first film layer 10 to the second, in the first film layer 10 and the second film
Do not change the direction of propagation of light between layer 20, i.e., can be with same by the light of the outgoing of the first fin structure 11 of the first film layer 10
Angle the second film layer 20 of incidence the second fin structure 21, so as to reduce when the first fin structure 11 and the second fin structure
When 21 shapes are different, there is angle between two relative inclined-planes 110, by the light of the outgoing of inclined-plane 110 of the first fin structure 11
After being superimposed the angle, angle it is excessive and cannot be by the light loss of the incidence of inclined-plane 110 of the second fin structure 21.
Additionally, the sharp angle of right angle trigonometry fin and the setting direction of right angle trigonometry fin are set, can be to passing through
The light of the optical module of the embodiment of the present invention provides an overall guiding for the direction of propagation, for example, in mode as shown in Figure 3
The the first fin structure 11 and the second fin structure 21 for setting, can guide from the light of the outside outgoing of the second film layer 20 to such as figure
Right side area in 3 is gathered.
Further, as shown in figure 4, the tip of each the second fin structure 21 of the second film layer 20 is arranged at the first film
Layer 10 two neighboring first fin structure 11 tip between, and the inclined-plane 110 of each the second fin structure 21 with it is corresponding
The first fin structure 11 inclined-plane 110 between leave oblique cavity 31.
So, as shown in figure 4, the head and the tail of multiple first fin structures 11 in the first film layer 10 are connected, the second film layer
Multiple second fin structures 21 on 20 are end to end, further will originally between two neighboring first fin structure 11
And the plane domain between two neighboring second fin structure 21 is effectively utilized, the first film layer 10 and the second film layer 20 are improved
The area of ramp 110, that is, increase the light outgoing efficiency of the first film layer 10 and the second film layer 20.Second film layer 20 each
The tip of two fin structures 21 is placed between the tip of the two neighboring first fin structure 11 of the first film layer 10, in each group of phase
To the first fin structure 11 and the inclined-plane 110 of the second fin structure 21 between form oblique cavity 31, it is compact arranged that each is oblique
Cavity 31 can improve by the light extraction efficiency of light, so as to by the whole surface of first film layer, 10 and second film layer 20
Light play a part of increase light extraction efficiency.Meanwhile, the optical module for so setting, the first film layer 10 and the second film layer 20 it
Between it is relatively close, the thickness of cavity layer 30 is reduced, so as to reducing the whole of optical module on the basis of light extraction efficiency is not lost
Body thickness.
Preferably, as shown in figure 5, the vertical plane of each the second fin structure 21 and corresponding first film in the second film layer 20
On layer 10 straight cavity 32 is also left between the vertical plane of the first fin structure 11, and adjacent oblique cavity 31 is by the phase of straight cavity 32
It is intercommunicated.
So, as shown in figure 5, convex by the first fin structure 11 in the first film layer 10 and the second film layer 20 second
The adjustment of the mutual cooperation structure between rib structure 21, enables to mutually be interconnected by straight cavity 32 between adjacent oblique cavity 31
It is logical to form whole cavity layer 30, the entire area of cavity layer 30 is increased, on the basis of the integral thickness for not increasing optical module
On, the space of cavity layer 30 is effectively make use of, so as to further increase light extraction efficiency.
Preferably, as shown in fig. 6, the inclined-plane 110 of multiple first fin structures 11 is to centroclinal in the first film layer 10.
So, as shown in fig. 6, by by the multiple first fin structures 11 in the first film layer 10 in a symmetrical manner
To centroclinal so that direction of the light along Fig. 6 shown in arrow produces the effect to center convergence, optically focused is increasing center
The display brightness in domain, improves the display effect of central area, simultaneously as the display brightness of fringe region is less than central area,
Its display effect is also weaker than central area, is capable of the display resolution of relative weakening fringe region, a certain degree of so as to play
Wide-angle peep-proof effect.
Further, as shown in Fig. 2 the fluid sealant 40 set by edge between the first film layer 10 and the second film layer 20 is connected
Connect fixation.
It should be noted that in the optical module of the embodiment of the present invention, for the first film layer 10 and the second film layer 20 it
Between the material of fluid sealant 40 that sets be not specifically limited, as long as fluid sealant 40 light tight (for example, black) and in fluid sealant
There is larger hardness, such as sealant after 40 solidifications.
As shown in Fig. 2 convex when the first fin structure 11 and second is respectively arranged with the first film layer 10 with the second film layer 20
Rib structure 21, and the first fin structure 11 and the convex top of the second fin structure 21 are when being tip, if it cannot be guaranteed that cavity layer
21 stability, the raised tip for being easily caused the first fin structure 11 and/or the second fin structure 21 is mutually damaged, and influences light
The service life of component is learned, is carried out with the edge of the second film layer 20 by 40 pairs of the first film layers 10 of fluid sealant for setting hardness is bigger
Sealing, on the one hand, because fluid sealant 40 is light tight, reduce light and separated from the edge part of the first film layer 10 and the second film layer 20
The light loss penetrated, on the other hand, the fluid sealant 40 of hardness is bigger can play a part of support to cavity layer 30, improve the present invention
The intensity and service life of the optical module of embodiment.
Further, the optical module of the embodiment of the present invention, as shown in fig. 7, be additionally included in the outside of the second film layer 20 setting
Polarization layer 50, or, as shown in figure 8, the second film layer 20 is polarization layer 50.
As shown in fig. 7, being additionally provided with polarization layer 50 in the outside of the second film layer 20, polarization layer 50 has fixed light absorbs axle
Direction, polarization direction can be stopped with the light absorbs direction of principal axis identical part light of polarization layer 50 by polarization layer 50 in polarised light
And outgoing is unable to, thereby result in the loss of the part luminous intensity.The optical module of the embodiment of the present invention can by some light by
Second film layer 20 is reflected back the first film layer 10, and the light of return is sent out by the first film layer 10 or through after the first film layer 10 by OLED
Again after secondary reflection by the outgoing of the second film layer 20, during reflection, the polarization direction of polarised light is changed the metal anode of photosphere
Become, no longer the absorption direction of principal axis with original polarization layer 50 is identical so that the light for originally being stopped by polarization layer 50 can be by inclined
Shake the outgoing of layer 50, so, originally changing inclined after reflecting at least one times by 50% light that polarization layer 50 stops
Shake direction outgoing, improve amount of light, serve the effect of brightness enhancing display.
As shown in figure 8, when the second film layer 20 is not provided with the second fin structure 21, can also be using polarization layer 50 as second
Film layer 20 forms the optical module of the embodiment of the present invention, so as to further reduce the integral thickness of optical module.
A kind of another aspect of the embodiment of the present invention, there is provided display device, as shown in figure 9, including：Display panel 01 and
Optical module 00 described above, optical module 00 is arranged on the exiting surface a of display panel 01.
It should be noted that in the display device of the embodiment of the present invention, display panel 01 is more preferably OLED and shows
Panel, when exposing to polarization layer 50 through the light of the outgoing of display panel 01, the absorption axiss of polarization direction and polarization layer 50 in light
Direction identical light component by polarization layer 50 stop cannot outgoing, the optical module 00 of the embodiment of the present invention is arranged on display panel
01 exiting surface a, the light stopped by polarization layer 50 is reflected by the first film layer 10 in optical module 00 to the second film layer 20, through
Two film layers 20 reflect or directive is inclined again after the metal anode reflection of OLED display panel luminescent layer through after the second film layer 20
Shake layer 50, and in reflection process, the polarization direction of light, can be by the outgoing of polarization layer 50 by after change.So that original nothing
Method is by the light of the outgoing of polarization layer 50 by that can improve display device light extraction by the outgoing of polarization layer 50 after reflection at least one times
Brightness.
Additionally, display panel 01 equally can be liquid crystal display panel, liquid crystal display panel itself can not produce light, need
Backlight is provided by backlight module, the optical module 00 of the embodiment of the present invention is arranged on as liquid crystal display panel provides the back of the body
The light emission side of the optical film group of light source.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of optical module, it is characterised in that including transparent the first film layer and the second transparent film layer, first film layer
Being separated by between second film layer has cavity layer, and multiple first fin structures are provided with the inside of first film layer, described
First fin structure at least includes an inclined-plane, and the cavity layer is at least by the inclined-plane of the first fin structure and described the
Two film layer inner surfaces are surrounded and formed, to cause to pass through second film by a part in the incident light in first film layer outside
Layer outgoing, another part returns to first film layer.
2. optical module according to claim 1, it is characterised in that first film layer is parallel with second film layer to be set
Put.
3. optical module according to claim 1, it is characterised in that multiple second is provided with the inside of second film layer
Fin structure, the second fin structure at least includes an inclined-plane, the first fin structure and/or the second fin knot
The convex top of structure is tip.
4. optical module according to claim 3, it is characterised in that described each first fin structure is right angle trigonometry
Fin and convex top are the acute angle tip of the right angle trigonometry fin, and the two neighboring first fin planform is identical；
And/or, described each second fin structure is for right angle trigonometry fin and convex top is the right angle trigonometry fin
Acute angle tip, the two neighboring second fin planform is identical；
The first fin structure is identical with the second fin planform, any relative the first fin structure and institute
Inclined-plane is relative between stating the second fin structure.
5. optical module according to claim 4, it is characterised in that each described second fin of second film layer
The tip of structure is arranged between the tip of the two neighboring described first fin structure of first film layer, and described in each
Oblique cavity is left between the inclined-plane of the second fin structure and the inclined-plane of the corresponding first fin structure.
6. optical module according to claim 5, it is characterised in that each second fin structure in second film layer
Vertical plane and the vertical plane of the first fin structure in corresponding first film layer between also leave straight cavity, it is and adjacent described
Oblique cavity is interconnected by the straight cavity.
7. optical module according to claim 6, it is characterised in that multiple first fin structures in first film layer
Inclined-plane is to centroclinal.
8. optical module according to claim 1, it is characterised in that lead between first film layer and second film layer
The fluid sealant for crossing edge setting is connected.
9. the optical module according to claim any one of 1-8, it is characterised in that be additionally included in the second film layer outside
The polarization layer of setting, or, second film layer is the polarization layer.
10. a kind of display device, it is characterised in that including：Display panel and optical module as claimed in claim 9, institute
State the exiting surface that optical module is arranged on the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118895.2A CN106842381A (en) | 2017-03-01 | 2017-03-01 | A kind of optical module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118895.2A CN106842381A (en) | 2017-03-01 | 2017-03-01 | A kind of optical module and display device |
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| Publication Number | Publication Date |
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| CN106842381A true CN106842381A (en) | 2017-06-13 |
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| CN201710118895.2A Pending CN106842381A (en) | 2017-03-01 | 2017-03-01 | A kind of optical module and display device |
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Application publication date: 20170613 |