CN106932965A - Optical diaphragm with lug design, optical diaphragm group and backlight module - Google Patents
Optical diaphragm with lug design, optical diaphragm group and backlight module Download PDFInfo
- Publication number
- CN106932965A CN106932965A CN201710309130.7A CN201710309130A CN106932965A CN 106932965 A CN106932965 A CN 106932965A CN 201710309130 A CN201710309130 A CN 201710309130A CN 106932965 A CN106932965 A CN 106932965A
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- China
- Prior art keywords
- lug
- blooming piece
- light
- diaphragm
- lateral margin
- Prior art date
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- 230000003287 optical effect Effects 0.000 title claims abstract description 82
- 239000000463 material Substances 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 3
- 239000012788 optical film Substances 0.000 abstract description 13
- 239000010408 film Substances 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000278713 Theora Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- -1 polyethylene Terephthalate Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- 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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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses an optical diaphragm with a lug design, an optical diaphragm group and a backlight module. The optical film comprises a film body with a first side edge and a lug; wherein the lugs have a higher light transmission than the diaphragm body. The connecting end of the lug overlaps the part of the diaphragm body close to the first side edge, and the protruding end of the lug protrudes from the first side edge and extends to the outer side of the diaphragm body.
Description
Technical field
The present invention relates to a kind of blooming piece, optical diaphragm group and backlight module.Specifically, the present invention relates to one kind tool
The blooming piece of ledge arrangement, optical diaphragm group and backlight module.
Background technology
In recent years, flourishing with various electronic equipments, the demand of display device also increases increasingly.In various displays
In device, liquid crystal display device due to its frivolous property, excellent display quality and low-power consumption, in whole electronic apparatus application
Occupy indispensable critical role.
In liquid crystal display device, in order to provide light source and adjustment optical characteristics, blooming piece, optical film are typically provided with
Piece group and backlight module.Therefore, the optical characteristics of the wherein even whole backlight module of blooming piece, blooming piece is improved, also
The display quality and use feeling of whole liquid crystal display device can therewith be improved.
In the optical module of various devices, such as in backlight module, blooming piece may be protruded by lug and set
Count to fix.However, such lug for directly being protruded by blooming piece is designed, can cause to lean on because of some factors optically
Diaphragm lateral margin at nearly lug produces local blanking bar.The generation of local blanking bar causes that overall brightness is uneven, so as to deteriorate bag
The display quality or optical characteristics of device or equipment containing such optical module.For example, beholder or user may be
During viewing such device or equipment such as TV, the obvious inclined dark areas positioned at lateral margin are perceived, and then influence to include display quality
In interior experience.
For the blanking bar defect near the lug for improving blooming piece, the lug of blooming piece can be wiped out.However, wiping out
Part lug, may be such that blooming piece stablizes and fix, and then makes the possible escape predeterminated position of blooming piece and misplace.It is wrong
Position or the blooming piece of unstable fixation, may fray other adjacent blooming pieces also or even light guide plate, display is single
Unit, polaroid etc., thereby increases and it is possible to wavy moire (P-Mura) is produced on whole optical film piece.From the above, cut comprising such
Except display quality deterioration, the reliability reduction of the device or equipment of the optical module of lug, and service life are also shortened therewith.
The content of the invention
The technological means of solve problem
Improve diaphragm luminance uniformity it is a primary object of the present invention to provide a kind of tool, and orientable ledge arrangement
Blooming piece, optical diaphragm group and backlight module.
Blooming piece includes diaphragm body and lug with the first lateral margin, and wherein lug has and overlaps and be attached to film
Piece body near the part of the first lateral margin connection end and stretch out jag outside the first lateral margin.Of the invention one is real
Example is applied, the light peneration of lug is high compared with the light peneration of diaphragm body.
Optical diaphragm group includes above-mentioned blooming piece and the auxiliary optical diaphragm being be arranged in parallel with blooming piece;Wherein
Auxiliary optical diaphragm goes out with the second lateral margin being correspondingly arranged with the first lateral edges parallel and from the second lateral margin one projection
Protruding pinna, and protruding pinna in diaphragm body upright projection scope in the plane it is at least Chong Die with a lug part.
Backlight module can include backlight, glue frame and any of the above-described optics at least partially along setting around backlight
Diaphragm.Wherein, glue frame includes side wall, forms jagged on the wall of side, and the first lateral margin opposing sidewalls of blooming piece are set, and convex
Ear can be contained in breach.
Effect against existing technologies
According to various embodiments, the present invention is a kind of blooming piece for having ledge arrangement, optical diaphragm group and backlight module.
By above-mentioned ledge arrangement, blooming piece, optical diaphragm group and backlight module are improved the effect of printing opacity, such as by lug
Leader light carries out light filling, and then reduces optics part shadow, and causes that the diaphragm in diaphragm framework will not phase attrition
Wound.Therefore, embodiments in accordance with the present invention, can obtain that polarization is preferable, optical uniformity is preferable and the increased light of service life
Learn diaphragm, optical diaphragm group and backlight module.
Brief description of the drawings
Fig. 1 is the schematic diagram of the position that lug is configured on blooming piece.
Fig. 2 is the schematic diagram of the blooming piece according to one embodiment of the invention.
Fig. 3 is the cross sectional side view of the blooming piece shown in Fig. 2.
Fig. 4 is the opticpath figure of the blooming piece according to one embodiment of the invention and lug.
Fig. 5 is the opticpath figure of the blooming piece according to another embodiment of the present invention and lug.
Fig. 6 is the schematic diagram being set up according to the blooming piece of another embodiment of the present invention on framework.
Fig. 7 is the schematic diagram of the optical diaphragm group according to one embodiment of the invention.
Fig. 8 is the schematic diagram of the backlight module according to one embodiment of the invention.
Fig. 9 A to Fig. 9 C are according to the blooming piece of the first alternate embodiment of the invention, optical diaphragm group and backlight module
Schematic diagram.
Figure 10 A to Figure 10 D are according to the blooming piece of the second alternate embodiment of the invention, optical diaphragm group and backlight mould
The schematic diagram of block.
Figure 11 A to Figure 11 C are according to the blooming piece of the 3rd alternate embodiment of the invention, optical diaphragm group and backlight mould
The schematic diagram of block.
Description of reference numerals:
L1、L2:Length
10、20、30、21、22、23:Blooming piece
2:Optical diaphragm group
1:Backlight module
100、300:Protruding pinna
200、210、220、230:Lug
S1、S1’:First lateral margin
S2:Second lateral margin
40:Patch material
501:Breach
201:Connection end
202:Jag
50:Framework
505:Glue frame
203:Diaphragm body
204:Glue-line
502:Side wall
70:Light guide plate
205:First lamellar body
206:Second lamellar body
81:First inner side edge
82:Second inner side edge
91:First outer side edges
92:Second outer side edges
207:First light-strip
208:Second light-strip
1000:Light
2000:Backlight
3000:Opening
4000:Slotted eye
Specific embodiment
Various embodiments are described below, and those skilled in the art are under with reference to explanation collocation accompanying drawing, should easily
Understand spirit of the invention and principle.But, although some specific embodiments can be illustrated in the text, and these embodiments are only made
For exemplary, and all non-for each side it is considered as restricted or exhaustive meaning.Therefore, for those skilled in the art
Speech, in the case where spirit of the invention and principle is not departed from, should be apparent and can be light for various change of the invention and modification
Easily reach.
In the various display devices comprising liquid crystal display device, optical module, such as backlight module are generally comprised by light
Learn the optical diaphragm group of diaphragm composition.For example, optical diaphragm group can be formed by single blooming piece, can also include two panels
Or blooming piece more than two panels is laminated mutually.And blooming piece can include brightness enhancement film (Brightness
Enhancement Film;BEF), the blooming piece of prismatic lens, diffusion barrier, light polarizing film or other various optical applications is any
It is a kind of.Additionally, optometry adjustment needs, the blooming piece can also only in backlight module with single.
An embodiment of the invention, discloses a kind of blooming piece.Reference picture 1, according to an embodiment of the invention light
Learning diaphragm 20 can set lug at different lateral margins, and the possibility set-point of lug is as shown in dotted line circle.For example, according to this hair
First lateral margin S1 of the blooming piece 20 of bright embodiment and the first lateral margin S1 ' places can be used lug.However, the invention is not restricted to
This, and as above lower lip, left and right lateral margin all can be used lug of the invention for the different lateral margins of blooming piece 20.Furthermore,
The number of the lug of settable embodiments of the invention is also not particularly limited.Below, for simplicity, will be mainly for
First lateral margin S1 sets lug to illustrate.In addition, blooming piece can be preferably brightness enhancement film (BEF), but the present invention is not
It is limited to this.
The blooming piece 20 of an embodiment of the invention is illustrated referring next to Fig. 2 and Fig. 3.Of the invention one
The blooming piece 20 of embodiment includes diaphragm body 203 and lug 200 with the first lateral margin S1.Here, lug 200 is piece
The monolithic lamellar body that the very best part is constituted, however the invention is not restricted to this, and the structure of lug 200 can carry out various change, this will
Other embodiment is described in further detail below.
Embodiment according to Fig. 2 and Fig. 3, the connection end 201 of lug 200 preferably overlaps and is attached to diaphragm body
203 stretch out outside the first lateral margin S1 near the part of the first lateral margin S1, and the jag 202 of lug 200.In this embodiment,
Connection end 201 preferably refers to lug 200 with the ora terminalis on the Chong Die block of diaphragm body 203 parallel to the first lateral margin S1, and jag
202 are preferably lug 200 from the first lateral margin S1 sponsons parallel to the ora terminalis of the first lateral margin S1.
The light peneration of lug 200 is preferably high compared with the light peneration of diaphragm body 203.For example, lug 200 is by transparent membrane
It is made.However, the invention is not restricted to this, such as lug can be transparent membrane, translucent diaphragm, the nontransparent film of the guide-lighting property of tool
Piece or other according to optical applications and make the unlike material diaphragm for changing.An embodiment of the invention, lug is by polyethylene
Terephthalate (PET) film is made.However, the invention is not restricted to this, and keeping good light transmittance, light-conductive rate or other spies
Determine under intended optical property, chip component can be prepared with any material.Transparent material or guide-lighting material whereby, from below or lateral margin
The light of entrance can be imported into lug 200 so that some light is concentrated at lug 200, and then can be to the diaphragm near lug 200
Body 203 supplies light, generation of the reduction near the local blanking bar of the diaphragm body 203 of lateral margin.This will reference picture 4 below
And be described in further detail during Fig. 5.
Further, an embodiment of the invention, the thickness of lug 200 can be compared with the thickness of thin of diaphragm body 203.So
And, the invention is not restricted to this, as long as and lug can act on printing opacity or leaded light, the thickness of lug can be equal to, more than or less than film
The thickness of piece body.
Blooming piece 20 shown in Fig. 2 and Fig. 3 can further include glue-line 204 and be distributed in connection end 201 and diaphragm body
Between 203, to connect connection end 201 and diaphragm body 203.Glue-line 204 can be at the first lateral margin S1 of blooming piece 20, with
One lateral margin S1 is trimmed or is separated a segment distance with the first lateral margin S1.Blooming piece 20, glue-line 204 according to an embodiment of the invention
Can be white or transparent.White or transparent glue-line causes that lug 200 is able to printing opacity leaded light with the location for paste of diaphragm body 203, very
To further diffusion light, and then can further adjust the brightness of the lateral margin of adhesive 204.However, the invention is not restricted to this,
Glue-line has under good light-conductive rate or light transmittance, and glue-line can be various different colours.In addition, although the glue as shown in Fig. 2 and Fig. 3
Layer 204 is glue-line 204 parallel to the first lateral margin S1, as long as however, can be attached connection end 201 and diaphragm body 203, glue-line
204 can be variously-shaped or configuration glue-line.For example, glue-line can match somebody with somebody in forms such as sawtooth pattern, undaform, the multiple island types of separation
Put.Further, according to the area of the connection end 201 Chong Die with diaphragm body 203 of lug 200, glue-line 204 can paste whole connection
Area, 3/4ths areas of connection end 201,1/2nd areas of connection end 201 at end 201 etc..
The lug 200 of the blooming piece 20 shown in Fig. 2 and Fig. 3 is designed as trapezoidal configuration, the jag 202 of lug 200
Length L2s of the length L1 less than the connection end 201 that lug 200 is connected with diaphragm body 203.It is above-mentioned in this case, due to convex
Exist between the trapezoidal base portion more long of ear and shorter top length difference can be easy to block away from, lug or the design such as embedded flute and
Will not arbitrarily move, and then strengthen the even fixed effect of physical positioning.Light quantity degree alternatively, it is also possible to be supplied depending on expection is come
Adjust the size and shape of lug.That is, for example, if when lug is from the parallel positive rectangle that blooming piece is protruded,
The light quantity for being imported is too strong, then the shape of lug can be reduced into light quantity as trapezoidal design.However, the invention is not restricted to this,
And the length of the length of the connection end 201 of lug and jag 202 can be it is identical, or lug may be designed as it is various applicable big
Small or shape, such as positive rectangle, ellipse, netted, triangle, trapezoidal etc. are variously-shaped.
According to above-mentioned disclosed blooming piece 20, because compared to the diaphragm body 203 of blooming piece 20, material property
Different lugs 200 has preferable light transmittance or light-conductive rate.Therefore, with reference to Fig. 4, lug 200 can act as miniature light guide plate,
Light 1000 from lateral margin or lower section is imported the lateral margin of diaphragm body 203, so as to supply the light of the lateral margin of blooming piece 20
Line amount.Specifically, the lug 200 with higher light transmittance or light-conductive rate causes that light 1000 " is trapped in " inside lug, and then
So that light 1000 can be led to the lateral margin of the diaphragm body 203 of blooming piece 20.In the optical film of embodiments of the invention
In piece 20, designed by such lug, lug 200 as disclosed in embodiments of the invention import the light supplied approach in
The light quantity at the edge of diaphragm body 203 directly incident or that blooming piece 20 is entered by frame reflection during without lug.It is overall and
Speech, such optics is supplied the local blanking bar that effect allows to occur and is eliminated, and tool lug and does not have the optical film of lug
The lateral margin of piece 20 shows the optical uniformity being closer to.User is being inspected by the diaphragm body of whole optical film piece 20
When 203 viewing areas for being acted on, light-emitting zone or zone of action, will be less susceptible to experience the dark space defect at edge.
Although Fig. 3 and Fig. 4 are shown as the top that lug 200 is arranged at blooming piece 20, that is, towards polaroid or display
The side of unit.But the invention is not restricted to this, and with reference to another embodiment as shown in Figure 5, lug 200 may be disposed at optics
The lower section of diaphragm 20, that is, towards light guide plate or the incident side of backlight.Embodiment as shown in Figure 5 is similar to by Fig. 4 institutes
The embodiment shown, the light 1000 for being incident to lug 200 by edge or lower section can be directed to diaphragm body 203 by lug 200
Lateral margin.
With reference to another embodiment of the present invention, the framework during a kind of blooming piece 20 is arranged at framework is disclosed.Such as Fig. 6 institutes
Show, the jag 202 of lug 200 may be disposed at the lateral margin breach 501 of such as glue frame 505 of framework 50.Specifically, blooming piece 20
Can be set with respect to glue frame 505, and each frame body of glue frame 505 can extend along the side of blooming piece 20, such as optical film
The side of piece 20 can be arranged in parallel close to or at certain intervals apart from each frame body of adjacent glue frame 505, and glue frame 505 each side
Framework can have the breach 501 sagged of low head high so that lug 200 can be placed in breach 501.It is placed in breach 501
In the jag 202 of lug 200 can merely be positioned over breach 501, and with engage with the side wall of breach 501 it is spacing or further with
Other modes are such as covered stickup to be positioned by various patch materials.However, the invention is not restricted to this, and lug is settable
Space between groove, two frameworks in framework or in various applicable positions such as framework platforms prominent in short transverse.
Referring next to Fig. 7 explanations optical diaphragm group according to another embodiment of the present invention.Those skilled in the art
What is understood is, although the optical diaphragm group shown in Fig. 7 is arranged on framework as shown in Figure 6, but the invention is not restricted to this.
That is, optical diaphragm group as shown in Figure 7 may be disposed in other frameworks or framework, and merely illustrative shown in Fig. 7.
Optical diaphragm group 2 as shown in Figure 7 includes three blooming pieces 10,20 and 30;Blooming piece 10,20 and 30 can divide
Optical adjustment purpose and effect that Ju You be not identical or different.However, this is merely illustrative, and the invention is not restricted to this.The light of Fig. 7
The blooming piece 20 for learning diaphragm group 2 is the blooming piece using lug 200.It is provided with the parallel beneath of blooming piece 20 another
Blooming piece 10, another blooming piece 30 is arranged with parallel in the top of blooming piece 20.However, the invention is not restricted to this, and
Optical diaphragm group 2 can be only contained in the blooming piece 10 or the optical film in the top of blooming piece 20 of the lower section of blooming piece 20
Piece 30.
Optical diaphragm group 2 according to Fig. 7, blooming piece 10 and blooming piece 30 have first with blooming piece 20
Parallel the second lateral margin S2 being correspondingly arranged of lateral margin S1 and the protruding pinna 100 and 300 gone out from the second lateral margin S2 one projection.Light
Learn the protruding pinna out of the ordinary 100 and 300 of diaphragm 10 and blooming piece 30 in blooming piece 20 diaphragm body 203 in the plane
Upright projection scope is at least Chong Die with the part of lug 200.Specifically, according to the optical diaphragm group 2 shown in Fig. 7, optical film
The protruding pinna 100 and 300 of piece 10 and blooming piece 30 is the trapezoidal structure being partially overlapped with each other with the lug 200 of blooming piece 20
Type, and the protruding pinna 100 of blooming piece 10 area more than blooming piece 20 lug 200, the protruding pinna 300 of blooming piece 30
Area less than blooming piece 20 lug 200.That is, the both ends of lower section lug or protruding pinna on parallel lateral margin direction are dashed forward
Stretch in outside top lug or protruding pinna.Therefore, the protruding pinna or lug of all blooming pieces are all the uncovered shape in part
State.
Optical diaphragm group 2 shown in Fig. 7 can further include patch material while fitting in lug and protruding pinna towards equidirectional
Surface on.From the above, according to the above-mentioned trapezoidal configuration being partially overlapped with each other, when such as covering patch material, all optical films
The protruding pinna or lug of piece can be stuck positioning by pasting material.
It is mentioned above convex due to being used positioned at middle blooming piece 20 according to above-mentioned disclosed optical diaphragm group 2
Ear 200, blooming piece 20 more can be positioned firmly, and the various defects such as wavy moire are less also easy to produce or are subtracted
It is few.Meanwhile, because compared to the diaphragm body 203 of blooming piece 20, lug 200 has preferable light transmittance or light-conductive rate, because
This, the light from lateral margin or lower section can be imported by lug 200, and then supply the amount light of the lateral margin of blooming piece 20.Further
For, by importing the light at edge, the light quantity and the uniformity that the diaphragm body 203 of overall blooming piece 20 is presented all are able to
Improve.Due to light it is uneven produced by local blanking bar be eliminated or weaken, the viewing area that is acted on by whole optical film piece,
The optical display properties of light-emitting zone or zone of action also with lifting.
In addition, according to above-mentioned disclosed optical diaphragm group 2, because the blooming piece 20 positioned at centre is by firmly
Positioning, blooming piece 20 will not misplace or escape, and then mutually blooming piece 10 or 30 of the abrasion thereon or under it.Therefore,
Having the optical diaphragm group 2 of lug 200 can reduce blooming piece therein unnecessarily attrition, and overall optical diaphragm group 2
Service life and quality so as to get a promotion.It should be noted that optical diaphragm group as shown in Figure 7 is merely illustrative, and use
The blooming piece of lug 200 can be blooming piece 10, blooming piece 20, blooming piece 30 or its any combination.
The backlight module of another embodiment of the invention is illustrated referring next to Fig. 7 and Fig. 8.Wherein, Fig. 8 is bag
The side view of the backlight module containing the optical diaphragm group shown in Fig. 7.Backlight module as shown in Figure 8 includes tool by mentioned earlier
The optical diaphragm group 2 of lug 200, patch material 40, backlight 2000, light guide plate 70 and set at least partially along around light guide plate 70
Framework 50, such as glue frame.Framework 50 in backlight module as shown in Figure 8 includes side wall 502, forms jagged on side wall 502
501 (reference pictures 7), and the first lateral margin S1 of the blooming piece 20 of optical diaphragm group 2 and the second lateral margin S2 opposing sidewalls 502 set
Put, and lug 200 can be contained in breach 501.Patch material 40 is covered in pasting optical diaphragm group 2 in the breach 501 of side wall 502
The lug or protruding pinna of each blooming piece, some or all blooming pieces, and patch material are being fixed near one end of blooming piece
40 are down fixed in framework 50 or other elements in addition in the side wall 502 of framework 50 in contrast to one end of blooming piece.That is,
Patch material 40 can along the profile of framework 50 sequentially paste the lug or protruding pinna of blooming piece, the side wall 502 of framework 50 and with set
Put the outer wall of the opposite framework 50 in inner side of optical diaphragm group.However, the invention is not restricted to this, as long as and location division can be assisted
Divide or all blooming pieces, patch material 40 can be pasted by any way.In addition, for example, patch material 40 can be polyester film
(Mylar), the various materials or element that can be used to cover positioning blooming piece such as adhesive tape, fixture.However, Fig. 8 is merely illustrative,
And according to another embodiment of the present invention, backlight module can not include the lug or protruding pinna of patch material covering positioning blooming piece.
According to the backlight module 1 shown in Fig. 8, backlight 2000 produces light.The part of light is directly or indirectly to convex
In ear 200, it is directed near the part of the first lateral margin S1 by lug 200.Import light 1000 and whole light lug 200
So that blooming piece 20 is able to supply light.Having the backlight module of above-mentioned ledge arrangement improves the effect of printing opacity, and by lug
200 position so that the diaphragm in diaphragm framework will not mutually fray.Therefore, polarization is preferable, optical uniformity is preferable and uses
Life-span increases.
According to Fig. 1 to Fig. 8, by the lug 200 made by the monolithic lamellar body that is constituted with a chip component is more frivolous,
Blooming piece 20, optical diaphragm group 2 and backlight module 1 have the advantage of thinner thickness according to an embodiment of the invention.It is overall
For, contribute to the lightening of the equipment comprising blooming piece 20, optical diaphragm group 2 and backlight module 1.Meanwhile, by lug
200, the polarization and display quality of blooming piece 20, optical diaphragm group 2 and backlight module 1 be all according to an embodiment of the invention
Can be improved.
Hereinafter, multiple alternate embodiments will be illustrated according to Fig. 9 A to Figure 11 C.Wherein, the narration for being repeated with described above
To give in omission for simplicity, and identical numbers and same as described above unit in Fig. 9 A to Figure 11 C
Part, will not be described in great detail herein.
Alternate embodiment 1
Fig. 9 A to Fig. 9 C are refer to, alternate embodiment 1 includes blooming piece 21, the optical diaphragm group comprising blooming piece 21
2 and the backlight module 1 comprising blooming piece 21.
With reference to Fig. 9 A and Fig. 9 B, lug 210 is by being substantially parallel to each other 206 groups of first lamellar body 205 and the second lamellar body of setting
Into, wherein the first lamellar body 205 and the second lamellar body 206 by same chip component at one end reflexed and formed.However, the present invention is not limited
In this, and the first lamellar body and the second lamellar body can also be connected by two panels chip component and be formed in one or both sides, or also can be by
The chip component of more than three connects reflexed and is formed.Preferably, chip component can be PET
(PET) diaphragm or other can carry out the diaphragm of light conduction.In addition, lug 210 as shown in Fig. 9 A to Fig. 9 C is to grow connection end 201
Degree is same as the rectangle of the length of jag 202.However, the invention is not restricted to this, and lug 210 can be similar to above-described embodiment and is
Trapezoidal configuration, or not limited to this shape and can make various changes.
Alternate embodiment 1 according to Fig. 9 A to Fig. 9 C, the first lamellar body 205 and the reflexed of the second lamellar body 206 be connected one
The jag 202 for lug 210 is held, and the other end opposite with one end that reflexed is connected is its connection end 201.Specifically,
Reference picture 9A, lug 210 is comprising the first lamellar body 205 with the first inner side edge 81 and the first outer side edges 91 and with second
Second lamellar body 206 of the outer side edges 92 of side 82 and second.First outer side edges 91 and the second outer side edges 92 connect to each other to form prominent
Go out end 202;First inner side edge 81 and the second inner side edge 82 can then be collectively forming connection end 201, and it is close to clamp diaphragm body 203
The part of the first lateral margin S1.The surface of the first inner side edge 81 and the clamping diaphragm of the second inner side edge 82 body 203 is provided with glue-line
204, by glue-line 204, the first inner side edge 81 and the second inner side edge 82 can be adhered to diaphragm body 203.
Then, with reference to Fig. 9 B, the blooming piece 21 of alternate embodiment 1 can be laminated on another auxiliary optical diaphragm 10, and
Accordingly, the part of lug 210 covering of blooming piece 21 is overlapped on the protruding pinna 100 of auxiliary optical diaphragm 10.Blooming piece
21 can collectively form optical diaphragm group 2 with the auxiliary optical diaphragm 10 of lower section.
Further, with reference to Fig. 9 C, backlight module 1 can include the blooming piece 21 and optical film represented by Fig. 9 A and Fig. 9 B
Piece group 2.Additionally, in the backlight module 1 represented by Figure 10 C, optical diaphragm group 2 can further include another auxiliary optical film
Piece 30 is arranged on blooming piece 21.
According to Fig. 9 A to Fig. 9 C, by the lug 210 made by the biplate lamellar body that is constituted with a chip component institute reflexed, have
There is U-shaped Section Design and can up and down coat blooming piece 21, therefore blooming piece 21, optical diaphragm group 2 and backlight module 1 certainly
With the advantage that polarization is preferably difficult for drop-off.Meanwhile, other embodiment similarly as described above, by lug 210, change
The polarization and display quality of the blooming piece 21, optical diaphragm group 2 and backlight module 1 of embodiment 1 can all be improved.
Alternate embodiment 2
Figure 10 A to Figure 10 D are refer to, alternate embodiment 2 includes blooming piece 22, the blooming piece comprising blooming piece 22
Group 2 and the backlight module 1 comprising blooming piece 22.
With reference to Figure 10 A and Figure 10 B, the blooming piece 22 of alternate embodiment 2 uses lug 220.Lug 220 and above-mentioned change
The difference of lug 210 of embodiment 1 is hollow out design.In addition, the lug 220 of alternate embodiment 2 and alternate embodiment 1
Lug 210 is substantially the same, and identical explanation will underdraw or repeat no more.
Specifically, out of the ordinary first light-strip 207 and second of the lug 220 comprising the first lamellar body 205 and the second lamellar body 206
Light-strip 208 is connected between connection end 201 and jag 202.First light-strip 207 and second of the first lamellar body 205
Light-strip 208, the first light-strip 207 of the second lamellar body 206 and the second light-strip 208, connection end 201 and jag 202 are common
Surround an opening 3000.That is, according to Figure 10 A to Figure 10 D the disclosed embodiments, lug 220 has in the middle of its plane to be engraved
Sky design.
The above-mentioned explanation referring to figures 10A to Figure 10 D is only exemplary, and hollow out design can have different designs to change.For example,
Lug 220 can only include the first lamellar body 205, and opening 3000 can be guide-lighting by the first light-strip 207 and second of the first lamellar body 205
Bar 208, connection end 201 and jag 202 are surrounded jointly.
In the alternate embodiment 2 as disclosed in Figure 10 A to Figure 10 D, the length of connection end 201 is equal to jag 202
Length.Light quantity and the position of the lateral margin of brought into optical diaphragm 22 are wanted in the framework designed by such hollow out, adjustable expection.Enter
For one step, hollow out design can be partly exposed to the structure under lug 220.Therefore, for example, positioned to paste material covering
When, patch material can preferably contact the other structures under lug 220.In addition, the invention is not restricted to this, with reference to other implementations above
Example, the length of connection end 201 can also be more than the length of jag 202.That is, the length of connection end 201 is parallel to the first side
The length of jag 202 can be more than on the direction of edge S1.Consequently, it is possible to according to mentioned above, trapezoidal configuration and hollow out design
Lug can further adjust its optical property and strengthen its physical positioning property.
Although being shown not in Figure 10 A to Figure 10 D, according to other embodiments of the invention, the opening 3000 of lug 220
Also can further include the optics surrounded by the first light-strip 207, the second light-strip 208, connection end 201 and jag 202
Diaphragm.
According to Figure 10 A to Figure 10 D, due to being designed comprising hollow out, blooming piece 22 is coated up and down by according to U-shaped design
Lug 220, the blooming piece 22 of alternate embodiment of the invention 2, optical diaphragm group 2 and backlight module 1 have polarization
Good and double-layer PET diaphragm optical property is further able to the advantage for adjusting.Therefore, the problem of local shadow is improved.Meanwhile,
Other embodiment similarly as described above, by lug 220, the blooming piece 22 of alternate embodiment 2, optical diaphragm group 2 and
The polarization and display quality of backlight module 1 can all be improved.
Alternate embodiment 3
Figure 11 A to Figure 11 C are refer to, alternate embodiment 3 includes blooming piece 23, the blooming piece comprising blooming piece 23
Group 2 and the backlight module 1 comprising blooming piece 23.
Difference with above-described embodiment or the maximum of alternate embodiment 1 and 2 is, the blooming piece 23 of alternate embodiment 3
The strip slotted eye 4000 that is formed in part with parallel first lateral margin S1 of the diaphragm body 203 near the first lateral margin S1.However, Figure 11 A
To merely illustrative shown in Figure 11 C, and slotted eye 4000 is formed as the variously-shaped slotted eyes such as strip slotted eye, circular slotted eye, and must
The slotted eye 4000 of diaphragm body 203 also can have an angle with the first lateral margin S1 when wanting, and be, for example, less than 45 degree of angle.
Alternate embodiment 3 according to Figure 11 A to Figure 11 C, the lug 230 of blooming piece 23 is included to be had in first
First lamellar body 205 of the outer side edges 91 of side 81 and first and the second lamellar body with the second inner side edge 82 and the second outer side edges 92
206.With alternate embodiment 1 by contrast, wherein the first inner side edge 81 and the second inner side edge 82 according to alternate embodiment 3 each other
Connection, or the first inner side edge 81 and the second inner side edge 82 are same chip component invagination so that the first inner side edge 81 and second
Inner side edge 82 forms connection end 201 and passes through slotted eye 4000, and the first outer side edges 91 and the second outer side edges 92 then can be by glue-lines
204 engage to form jag 202.
According to Figure 11 A to Figure 11 C, by the lug 230 made by the biplate lamellar body that is constituted with a chip component institute reflexed,
Blooming piece 23 is coated up and down according to U-shaped design, and does not have bondline thickness at cladding blooming piece 23 up and down, according to this hair
The blooming piece 23 of bright alternate embodiment 3, optical diaphragm group 2 and backlight module 1 have polarization preferable, difficult for drop-off and dimension
Hold slim advantage.Generally, the blooming piece 23 comprising alternate embodiment 3, optical diaphragm group 2 and backlight module are contributed to
1 equipment it is lightening.Meanwhile, other embodiment similarly as described above, by lug 230, the optics of alternate embodiment 3
The polarization and display quality of diaphragm 23, optical diaphragm group 2 and backlight module 1 can all be improved.
In addition, the explanation same as the previously described embodiments of alternate embodiment 3 will not be described in great detail.
The blooming piece of various embodiments described in this manual, optical diaphragm group and backlight module, improve in
The defect of the even overall display quality of local blanking bar is likely to result in the optical module of various devices.Therefore, such device or
The beholder of equipment or the experience of user are improved.
Further, the blooming piece of various embodiments described in this manual, optical diaphragm group and backlight module,
The polarization of blooming piece is improved under improving optical display characteristic so that blooming piece is less susceptible to dislocation or escape.Relatively stablize
The blooming piece of positioning reduces the abrasion between blooming piece, removes or reduce the generation of wavy moire (P-Mura) so that
The display quality improving of device or equipment comprising lug of the invention, reliability increase, and service life also extends therewith.
It will be recognized by one of ordinary skill in the art that, though backlight module substantially using liquid crystal display device is used as showing herein
Example, but the invention is not restricted to this.Therefore, the present invention be also applicable to organic light-emitting display device, liquid crystal display device or its
The backlight template of his similar device or other optical modules comprising blooming piece.
It is only some preferred embodiments of the invention described in text.It should be noted that do not depart from it is of the invention spirit with
Under principle, the present invention can carry out various change and modification.Those skilled in the art are it will be recognized that the present invention will by appended right
Ask book to be defined, and in the case where intention of the invention is met, it is various may the change such as displacement, combination, modification and conversion all without departing from
The scope that the present invention is defined by appended claims.
Claims (14)
1. a kind of blooming piece, comprising:
One diaphragm body, with one first lateral margin;And
One lug, has:
One connection end, overlaps and is attached to part of the diaphragm body near first lateral margin;And
One jag, stretches out outside first lateral margin;
Wherein, the light peneration of the lug is high compared with the light peneration of the diaphragm body.
2. blooming piece as claimed in claim 1, wherein thickness of thin of the thickness of the lug compared with the diaphragm body.
3. blooming piece as claimed in claim 1, wherein lug is made up of transparent membrane.
4. blooming piece as claimed in claim 1, is further distributed between the connection end and the diaphragm body comprising a glue-line,
To connect the connection end and the diaphragm body.
5. blooming piece as claimed in claim 4, the wherein glue-line are white or transparent.
6. blooming piece as claimed in claim 4, wherein lug is included:
One first lamellar body, with one first inner side edge and one first outer side edges;And
One second lamellar body, with one second inner side edge and one second outer side edges;
Wherein, first outer side edges and second outer side edges connect to each other to form the jag;First inner side edge and this
Two inner side edges are collectively forming the connection end, and clamp part of the diaphragm body near first lateral margin.
7. blooming piece as claimed in claim 6, wherein first lamellar body and second lamellar body is by same chip component reflexed
And formed.
8. blooming piece as claimed in claim 1, wherein the diaphragm body near first lateral margin be formed in part with it is parallel
One slotted eye of first lateral margin;The lug is included:
One first lamellar body, with one first inner side edge and one first outer side edges;And
One second lamellar body, with one second inner side edge and one second outer side edges;
Wherein, first inner side edge and second inner side edge connect to each other to form the connection end and pass through the slotted eye;This first
Outer side edges and second outer side edges engage to form the jag by a glue-line.
9. blooming piece as claimed in claim 1, the wherein lug are distinguished comprising one first light-strip and one second light-strip
It is connected between the connection end and the jag, first light-strip, second light-strip, the connection end and the jag are common
Surround an opening.
10. the length of blooming piece as claimed in claim 1, the wherein length of the connection end more than the jag.
A kind of 11. optical diaphragm groups, comprising:
Blooming piece as any one of claim 1 to claim 10;And
One auxiliary optical diaphragm, be arranged in parallel with the blooming piece, and wherein the auxiliary optical diaphragm has:
One second lateral margin, is correspondingly arranged with first lateral edges parallel;And
One protruding pinna, goes out from the second lateral margin one projection;Wherein,
The protruding pinna in the diaphragm body upright projection scope in the plane it is at least Chong Die with the ledge portion.
12. optical diaphragm groups as claimed in claim 11, further fit in the lug and the lug simultaneously comprising a patch material
Portion is towards on equidirectional surface.
A kind of 13. backlight modules, comprising:
One backlight;
One glue frame, is set at least partially along around the backlight;Wherein, the glue frame includes side wall, is formed with the side wall
One breach;And
Blooming piece as described in any in claim 1 to claim 10;
Wherein, first lateral margin is set with respect to the side wall, and the lug is contained in the breach.
14. backlight modules as claimed in claim 13, the wherein backlight produce a light, the part of the light directly or
Tap into the lug, the brightness of the lug is more than brightness of the diaphragm body near first side edge portions.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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TW106106164A TWI611245B (en) | 2017-02-23 | 2017-02-23 | Optical film, optical film assembly and backlight module with lug design |
TW106106164 | 2017-02-23 |
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CN106932965A true CN106932965A (en) | 2017-07-07 |
CN106932965B CN106932965B (en) | 2020-07-17 |
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TW (1) | TWI611245B (en) |
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CN107726142A (en) * | 2017-10-20 | 2018-02-23 | 友达光电(苏州)有限公司 | Backlight module and display device |
CN114609828A (en) * | 2022-04-07 | 2022-06-10 | Tcl华星光电技术有限公司 | Diaphragm fixing structure, backlight module and liquid crystal display device |
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Also Published As
Publication number | Publication date |
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CN106932965B (en) | 2020-07-17 |
TWI611245B (en) | 2018-01-11 |
TW201831966A (en) | 2018-09-01 |
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