CN107367787A - Curved surface backlight abnormal shape light guide plate, curved surface backlight module and Curved LCD - Google Patents
Curved surface backlight abnormal shape light guide plate, curved surface backlight module and Curved LCD Download PDFInfo
- Publication number
- CN107367787A CN107367787A CN201710866216.XA CN201710866216A CN107367787A CN 107367787 A CN107367787 A CN 107367787A CN 201710866216 A CN201710866216 A CN 201710866216A CN 107367787 A CN107367787 A CN 107367787A
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- Prior art keywords
- curved surface
- guide plate
- light guide
- connecting portion
- abnormal shape
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
Abstract
The invention discloses a kind of curved surface backlight abnormal shape light guide plate, curved surface backlight module and Curved LCD, for curved surface backlight module, including flat part and connecting portion is thickeied, wherein：Connected between adjacent two flat part by the thickening connecting portion；The flat part corresponds to the curvature portion of curved surface backboard and faces part directly, and the connecting portion that thickeies divides joint corresponding to the curvature portion and straight parts of the curved surface backboard；The thickness of the flat part is less than the thickness of the thickening connecting portion.Curved surface backlight abnormal shape light guide plate, curved surface backlight module and the Curved LCD that the application provides, utilize the light guide plate directly thickness at bent gradual change for thickening connecting portion raising, it can effectively prevent LED light bar outside dimension from exceeding the edge of light guide plate, ensure that the light that LED is sent can be completely into light guide plate, avoiding the occurrence of light leak causes occur shadow or speck at the straight bent gradual change of light guide plate, and then ensures the normal use of curved surface backlight module.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of curved surface backlight abnormal shape light guide plate, curved surface backlight mould
Group and Curved LCD.
Background technology
Curved surface backlight module is one of key part and component of Curved LCD, for well-off brightness and distribution
Uniform light source, enables Curved LCD normally to show image.
Fig. 1 is a kind of basic structure schematic diagram of typical curved surface backlight module in the prior art.As shown in figure 1, curved surface
Backlight module includes curved surface backboard 1, light guide plate 2 and LED light bar 3.Wherein, curved surface backboard 1 is the nothing for including bottom surface and side
Lid box body structure, and the bottom surface of curved surface backboard 1 is curved surface；Light guide plate 2 is usually the PMMA that thickness is 1.5-2mm
The slab construction of (Polymethylmethacrylate, polymethyl methacrylate) material, it is provided with the bottom surface of light guide plate 2
Site, the face parallel with the bottom surface of light guide plate 2 are exiting surface, and a side of light guide plate 2 is incidence surface；It is provided with LED light bar 3
Some LED.Light guide plate 2 is compressed in curved surface backboard 1, the bottom surface of light guide plate 2 close to the bottom surface of curved surface backboard 1, light guide plate 2
One side of incidence surface and curved surface backboard 1 is close, and LED light bar 3 is arranged on the curved surface backboard 1 close with the incidence surface of light guide plate 2
The inner side of side, the light that LED is sent in LED light bar 3 enter in light guide plate 2.It is curved surface liquid to reach curved surface backlight module
Crystal display provides brightness fully and the planar light that is evenly distributed, and the light that LED is sent in LED light bar 3 should fully enter leaded light
Plate 2, and light can be propagated in light guide plate 2 in the form of being totally reflected, when site is traveled to, it is totally reflected some light
The exiting surface of destroyed light from light guide plate 2 reflects.In order to ensure that the light that LED is sent is fully entered in light guide plate 2, and because
For the thinner thickness of light guide plate 2, thus the center line of LED light bar 3 should with the centerline parallel of the incidence surface of light guide plate 2, i.e., attached
The center line of LED light bar 3 should show with the center line of the incidence surface of light guide plate 2 and overlap in Fig. 1, exceed to prevent the outside dimension of LED light bar 3
The edge of light guide plate 2.
The bottom surface of curved surface backboard 1 is a kind of curved surface being made up of curved surface-face directly-curve form, generally when light guide plate 2 be pressed
When system in curved surface backboard 1, shape of the light guide plate 2 along the bottom surface of curved surface backboard 1 carries out deformation, is formed and curved surface backboard 1
The corresponding curved surface light guide plate 2 in bottom surface.Fig. 2 is the partial view of curved surface backlight module.As shown in Figure 2, two-dot chain line represents
It is true form of the light guide plate 2 directly at bent gradual change, what dotted line represented is theoretical shape of the light guide plate 2 directly at bent gradual change.Due to leading
The directly stress at bent gradual change of tabula rasa 2, so the actual gradual change bending of light guide plate 2 bends with theoretical gradual change and deviation be present, i.e.,
LED light bar center line and light guide plate actual center line as shown in Figure 2 is misaligned, the edge of LED light bar 3 beyond light guide plate 2,
The light for causing LED to send can not be fully entered in light guide plate 2, and then causes shadow occur at the straight bent gradual change of light guide plate 2
Or speck, influence the normal use of curved surface backlight module.
The content of the invention
The invention provides a kind of curved surface backlight abnormal shape light guide plate, curved surface backlight module and Curved LCD, with solution
Certainly there is the problem of shadow or speck with facing joint directly in curved surface backlight module curved surface.
It is according to embodiments of the present invention in a first aspect, the invention provides a kind of curved surface backlight abnormal shape light guide plate, for song
Face backlight module, it is characterised in that including flat part and connecting portion is thickeied, wherein：
Connected between adjacent two flat part by the thickening connecting portion；
The flat part corresponds to the curvature portion of curved surface backboard and faces part directly, and the thickening connecting portion corresponds to described
The curvature portion and straight parts of curved surface backboard divide joint；
The thickness of the flat part is less than the thickness of the thickening connecting portion.
Second aspect according to embodiments of the present invention, the invention provides a kind of curved surface backlight module, the curved surface backlight
Module includes the curved surface backlight abnormal shape light guide plate described in above-mentioned any one.
The third aspect according to embodiments of the present invention, present invention also offers a kind of Curved LCD, the curved surface
Liquid crystal display includes curved surface backlight module described above.
From above technical method, a kind of curved surface backlight abnormal shape light guide plate provided in an embodiment of the present invention, curved surface backlight
Module and Curved LCD, curved surface backlight abnormal shape light guide plate include flat part and thicken connecting portion, thicken connecting portion and be used for
Adjacent flat part is connected, the thickness of flat part is respectively less than the thickness for thickening connecting portion.In actual conditions, because curved surface backlight is different
The thickness ratio of type light guide plate is relatively thin, in curved surface backlight abnormal shape light guide plate and LED light bar pair during, dimensional tolerance will compare
It is small, by setting the thickness of thickening connecting portion and the ratio flat part for setting its thickness big, and thicken connecting portion and be used for described lead
At the straight bent gradual change of tabula rasa, improve in curved surface backboard directly the curved surface backlight abnormal shape light guide plate at bent gradual change and the chi of LED light bar
Very little tolerance.When light guide plate is being compressed in curved surface backboard, stress acts on song of the curved surface backboard directly at bent gradual change
, there is curved surface backlight abnormal shape light guide plate and deviation occurs in LED light bar centering, utilize thickening in face backlight abnormal shape light conducting board from deformation deficiency
The light guide plate directly thickness at bent gradual change that connecting portion improves, add light guide plate directly at bent gradual change and LED light bar dimensional tolerance, have
Effect prevents LED light bar outside dimension from exceeding the edge of light guide plate, ensures that the light that LED is sent can avoid out completely into light guide plate
Existing light leak causes occur shadow or speck at the straight bent gradual change of light guide plate, and then ensures the normal use of curved surface backlight module.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of basic structure schematic diagram of common curved surface backlight module in the prior art；
Fig. 2 is Fig. 1 mean cambers and faces the structural representation of junction directly；
Fig. 3 is a kind of front view for curved surface backlight abnormal shape light guide plate that the embodiment of the present application provides；
Fig. 4 is a kind of upward view for curved surface backlight abnormal shape light guide plate that the embodiment of the present application provides；
Fig. 5 is the upward view for another curved surface backlight abnormal shape light guide plate that the embodiment of the present application provides.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
The embodiment of the present application provide curved surface backlight abnormal shape light guide plate it is unstamped in curved surface backboard when, curved surface the back of the body
Light abnormal shape light guide plate is straight straight panel structure, and as shown in Figure 3, its upward view is as shown in Figure 4 for its front view.Because curved surface
The length and width of backlight abnormal shape light guide plate differs larger with thickness, and clearly to show its thickness, accompanying drawing 3 and 4 is curved surface backlight
Special-shaped light guide plate interrupts structural representation.3 and accompanying drawing 4 referring to the drawings, the curved surface backlight abnormal shape that the embodiment of the present application provides are led
Tabula rasa includes flat part 201 and thickeies connecting portion 202.The curved surface backlight abnormal shape light guide plate that the embodiment of the present application provides is used for curved surface
In backlight module, it is compressed in curved surface backboard during use, is used to connect phase specifically, thickening connecting portion 202
Adjacent flat part 201, that is, the both ends for thickening connecting portion 202 connect flat part 201, thicken connecting portion 202 and curved surface backboard respectively
Right and wrong junction it is corresponding, flat part 201 can or face part corresponding, flat part 201 corresponding with the curvature portion of curved surface backboard
Size depend on curved surface backlight module to the demand of curved surface backlight abnormal shape light guide plate.The thickness of flat part 201 is less than thick connect
The thickness in portion 202.
Referring to accompanying drawing 4, the curved surface backlight abnormal shape light guide plate that the application provides is bent when in for curved surface backlight module
Face backlight abnormal shape light guide plate is compressed in curved surface backboard, and curved surface backlight abnormal shape light guide plate enters with the warp tendency of curved surface backboard
Row deformation (for ease of distinguishing, the area of flat part 201 of the mean camber backlight abnormal shape light guide plate of accompanying drawing 4 is carried out by the left side and the right
Point), wherein：For the flat part 201 on the left side to corresponding with the curvature portion of curved surface backboard, i.e. the flat part 201 on the left side is close
The curvature portion of curved surface backboard 1；The flat part 201 on the right is to corresponding with the straight parts split-phase of curved surface backboard, i.e., the right is flat
Plate portion 201 faces part directly close to curved surface backboard；Connecting portion 202 is thickeied to the curved surface with curved surface backboard-face the gradual change that connects directly
Locate corresponding, that is, thicken curved surface-face connect gradual change at of the connecting portion 202 close to curved surface backboard.
In view of the actual requirement thickness of curved surface backlight abnormal shape light guide plate, the thickness for thickening connecting portion 202 is generally planar
1.2-2 times of the thickness of portion 201, i.e., when the demand thickness of curved surface backlight abnormal shape light guide plate is 2mm, thicken the thickness of connecting portion 202
Degree can be 2.4-4mm.The corresponding thickness installation warrants for thickening connecting portion 202 are applicable the curved surface flexibility of curved surface backboard, add
The thickness of thick connecting portion 202 and the curved surface flexibility positive correlation of curved surface backboard, i.e.,：When the curved surface flexibility of curved surface backboard is larger
When, the thickness of corresponding thickening connecting portion 202 is relatively large；When the curved surface flexibility of curved surface backboard is less, accordingly
Thickening connecting portion 202 thickness it is relatively small.When the size of curved surface backboard is identical, the curved surface flexibility of curved surface backboard
Bigger, the thickness of corresponding thickening connecting portion 202 is also bigger.
For ease of description, upper surface is mutually connected in the light-emitting area of flat part 201 to thicken connecting portion 202, to thicken connecting portion
202 faces to connect with the bottom surface of flat part 201 are lower surface.The upper surface of connecting portion 202 is thickeied in the embodiment of the present application with
Surface is even surface, and as shown in Figure 3, it is flat to thicken the contour line of upper surface and lower surface in the side view of connecting portion 202
Sliding curve, that is, the thickness of connecting portion 202 is thickeied from the place of connection both sides flat part 201 to middle gradually increase, thickness is most
General goal may be selected to thicken the close centre position of connecting portion 202, thickeies connecting portion 202 and the flat part 201 at both ends is smooth respectively
Transition.
A kind of curved surface backlight abnormal shape light guide plate that the embodiment of the present application provides, which includes curved surface backlight abnormal shape light guide plate, to be included putting down
Plate portion 201 and thickening connecting portion 202, thicken connecting portion 202 and be used to connect adjacent flat part 201, the thickness of flat part 201 is equal
Less than the thickness for thickening connecting portion 202.In actual conditions, due to.The thickness ratio of curved surface backlight abnormal shape light guide plate is relatively thin, in curved surface
During backlight abnormal shape light guide plate and LED light bar centering, dimensional tolerance will be smaller, thickeies connecting portion 202 simultaneously by setting
The first light guide plate of the ratio flat part 201 and the thickness of the second light guide plate flat part 202 that its thickness is set are big, and thicken connecting portion
202 are used at the straight bent gradual change of the light guide plate, improve in the curved surface backboard directly curved surface backlight abnormal shape light guide plate at bent gradual change
With the dimensional tolerance of LED light bar.When light guide plate is being compressed in curved surface backboard, it is straight that stress acts on curved surface backboard
Curved surface backlight abnormal shape light conducting board from deformation deficiency at bent gradual change, there is curved surface backlight abnormal shape light guide plate and occur with LED light bar centering
Deviation, using the light guide plate directly thickness at bent gradual change for thickening the raising of connecting portion 202, light guide plate is added directly at bent gradual change and LED
The dimensional tolerance of lamp bar, effectively prevent LED light bar outside dimension from exceeding the edge of light guide plate, ensure that the light that LED is sent can be complete
Into light guide plate, avoiding the occurrence of light leak causes occur shadow or speck at the straight bent gradual change of light guide plate, and then ensures the curved surface back of the body
The normal use of optical mode group.
For example, the thickness of existing light guide plate is 2mm, the thickness of LED light bar is 1.4mm, then LED light bar and light guide plate
Centering dimensional tolerance is 0.3mm, and in the curved surface backlight abnormal shape light guide plate that the embodiment of the present application provides, the thickness of flat part 201
For 2mm, and the thickness for thickening connecting portion 202 is 4mm, and it is 1.3mm to thicken connecting portion 202 and the centering dimensional tolerance of LED light bar,
Significantly increase at the straight bent gradual change of curved surface backlight abnormal shape light guide plate to middle dimensional tolerance.Curved surface is acted on when there is stress
Directly there is deformation deficiency and can not realize that light guide plate is precisely right with LED light bar backboard in the curved surface backlight abnormal shape light guide plate at bent gradual change
Be not in that light leak causes shadow or speck occur at the straight bent gradual change of light guide plate because enough dimensional tolerances when middle, can
The normal use of curved surface backlight module is effectively ensured.
As curved surface TV is thinned development trend, thickening is provided with the curved surface backlight abnormal shape light guide plate that the application provides
Connecting portion 202, connecting portion 202 is thickeied during use and is applied at the straight bent gradual change of curved surface backlight abnormal shape light guide plate, both will not
Cause the change of curved surface backlight abnormal shape light guide plate, can also solve in the direct joint of light guide plate because stress concentration causes to deform
Not enough there is the problem of LED light line can not fully enter light guide plate in degree.The curved surface backlight abnormal shape provided in the embodiment of the present application is led
The light conducting plate structure change more of the prior art of tabula rasa shape is small, and production cost change is small.
Site is set on the bottom surface in curved surface backlight abnormal shape light guide plate middle plateform portion 201, the density and shape of site according to
Being actually needed for curved surface backlight abnormal shape light guide plate is configured.The thickness ratio of connecting portion 202 is thickeied on curved surface backlight abnormal shape light guide plate
The thickness of flat part 201 is big, and total reflection path of the LED light line in thickening connecting portion 202 is longer than in flat part 201, is
Ensure normal light extraction efficiency, increase thickeies the dot density of connecting portion 202, and increase dot density can carry out light reinforcement.Add
The dot density of thick connecting portion 202 is according to the thickness and other positions of curved surface backlight abnormal shape light guide plate for thickening connecting portion 202
Dot density carries out coordination setting, and the dot density for thickening connecting portion 202 increases with the increase for thickening the thickness of connecting portion 202
Greatly, that is, thickness positive correlation of the dot density of connecting portion 202 with thickening connecting portion 202 is thickeied, it is specific to need to survey by testing
Examination selects suitable dot density.Needs are used according to curved surface backlight abnormal shape light guide plate, the site for generally thickening connecting portion 202 is close
Spend for 1.2-2 times of the dot density of flat part 201, differ smaller with the thickness at other positions in the thickness for thickening connecting portion 202
When, dot density is smaller by change, on the contrary, dot density will change greatly.
It is the length direction of curved surface backlight abnormal shape light guide plate to select horizontal direction in accompanying drawing 4, and reference surface backlight abnormal shape leads
The length dimension of tabula rasa, it is usually 3-10cm to thicken the length of connecting portion 202 in the longitudinal direction.Thicken the length of connecting portion 202
Degree and the curved surface flexibility positive correlation of curved surface backboard, curved surface backlight abnormal shape light guide plate corresponding surface backboard curved surface flexibility compared with
When big, the corresponding selection length for thickening connecting portion 202 can be larger, i.e. curved surface backlight abnormal shape light guide plate corresponding surface backboard
Curved surface flexibility is larger, and the needed length for thickening connecting portion 202 can be larger, then can set the length for thickening connecting portion 202
It is relatively large.Meanwhile when the curved surface flexibility of curved surface backboard is identical, the size of corresponding curved surface backlight abnormal shape light guide plate is bigger,
The setting length for thickening connecting portion 202 will be bigger.
In the application embodiment, the upper surface for thickening connecting portion 202 is arc surface；And/or described thicken connects
The lower surface of socket part 202 is arc surface.I.e. the upper contour line of thickening connecting portion 202 and the shape of lower contour are equal in figure 4
For circular arc.
The structure that curved surface backlight abnormal shape light guide plate is formed in one, usual light guide plate are obtained by extrusion mechanism, curved surface backlight
When special-shaped light guide plate is not provided with site, plane and lower plane are symmetrical on light guide plate.So provided in the embodiment of the present application
Curved surface backlight abnormal shape light guide plate in, thicken connecting portion 202 upper plane and lower plane it is also symmetrical, that is, thicken connecting portion 202
Upper plane it is identical with lower plane shape, by thicken connecting portion 202 upper plane and lower plane be shaped to identical be easy to
Processing.Optionally, in the application embodiment, following table of the upper surface of connecting portion 202 with thickening connecting portion 202 is thickeied
Curvature radius is identical.
The curved surface backlight abnormal shape light guide plate that the application provides in process, passes through the spacing between the former extrusion roller of adjustment
The processing of thickening connecting portion 202 can be achieved.For reach surface be circular shape then according to thicken connecting portion 202 thickness and length
Degree demand uniformly adjusts the spacing between former extrusion roller.
Generally, the bottom surface of existing curved surface backboard 1 is a kind of curve form being made up of curved surface-face directly-curve form, tool
Body, to face directly, both ends are curved surface for centre.More to adapt to its structure, the embodiment of the present application additionally provides a kind of curved surface backlight
Special-shaped light guide plate, it looks up graph structure as shown in Figure 5, and which includes two sections to thicken connecting portion 202 and three sections of flat parts
201, for the curved surface-face-curved-surface structure directly of each corresponding curved surface backboard 1, thickening connecting portion 202 therein is corresponding bent respectively
The right and wrong joint of surface backplate 1 is corresponding, and it is an instantiation in the application.
The curved surface backlight abnormal shape light guide plate provided based on above-described embodiment, the embodiment of the present application additionally provide a kind of curved surface back of the body
Optical mode group, the backlight module include the curved surface backlight abnormal shape light guide plate that above-described embodiment provides.The present embodiment mainly utilizes this
Apply for any curved surface backlight abnormal shape light guide plate that embodiment provides.
The curved surface backlight module provided based on above-described embodiment, present invention also provides Curved LCD, the song
Face liquid crystal display includes the curved surface backlight module that above-described embodiment provides.The present embodiment is mainly provided using the embodiment of the present application
Any curved surface backlight module.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment, and related part is referring to side
The part explanation of method embodiment.Those skilled in the art will easily think after the invention of specification and practice here is considered
To other embodiments of the present invention.The application is intended to any modification, purposes or the adaptations of the present invention, these
Modification, purposes or adaptations follow the general principle of the present invention and not invented in the art including the present invention
Common knowledge or conventional techniques.Description and embodiments are considered only as exemplary, of the invention true scope and essence
God is pointed out by following claim.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a kind of curved surface backlight abnormal shape light guide plate, for curved surface backlight module, it is characterised in that including flat part and thicken connection
Portion, wherein：
Connected between adjacent two flat part by the thickening connecting portion；
The flat part corresponds to the curvature portion of curved surface backboard and faces part directly, and the thickening connecting portion corresponds to the curved surface
The curvature portion and straight parts of backboard divide joint；
The thickness of the flat part is less than the thickness of the thickening connecting portion.
2. curved surface backlight abnormal shape light guide plate according to claim 1, it is characterised in that the site of the thickening connecting portion is close
The thickness positive correlation of degree and the thickening connecting portion.
3. curved surface backlight abnormal shape light guide plate according to claim 1 or 2, it is characterised in that the net for thickening connecting portion
Dot density is 1.2-2 times of the dot density of the flat part.
4. curved surface backlight abnormal shape light guide plate according to claim 1, it is characterised in that it is described thicken connecting portion length with
The curved surface flexibility positive correlation of the curved surface backboard；And/or the curved surface of the thickness and the curved surface backboard for thickening connecting portion
Flexibility positive correlation.
5. the curved surface backlight abnormal shape light guide plate according to claim 1 or 4, it is characterised in that the length for thickening connecting portion
Spend for 3-10cm.
6. the curved surface backlight abnormal shape light guide plate according to claim 1 or 4, it is characterised in that the thickness for thickening connecting portion
Spend for 1.2-2 times of the flat part thickness.
7. curved surface backlight abnormal shape light guide plate according to claim 1, it is characterised in that the upper surface for thickening connecting portion
For arc surface；And/or the lower surface for thickening connecting portion is arc surface.
8. curved surface backlight abnormal shape light guide plate according to claim 1, it is characterised in that the upper surface for thickening connecting portion
It is identical with the following table curvature radius of the thickening connecting portion.
9. a kind of curved surface backlight module, it is characterised in that the curved surface backlight module is included described in claim 1-8 any one
Curved surface backlight abnormal shape light guide plate.
10. a kind of Curved LCD, it is characterised in that the Curved LCD includes the song described in claim 9
Face backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866216.XA CN107367787B (en) | 2017-09-22 | 2017-09-22 | Curved surface backlight abnormal shape light guide plate, curved surface backlight module and Curved LCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866216.XA CN107367787B (en) | 2017-09-22 | 2017-09-22 | Curved surface backlight abnormal shape light guide plate, curved surface backlight module and Curved LCD |
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| Publication Number | Publication Date |
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| CN107367787A true CN107367787A (en) | 2017-11-21 |
| CN107367787B CN107367787B (en) | 2019-06-18 |
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| CN108716631A (en) * | 2018-07-26 | 2018-10-30 | 合肥惠科金扬科技有限公司 | Segmented backlight lamp, backlight module and display |
| CN115273663A (en) * | 2022-07-19 | 2022-11-01 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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| CN101216635A (en) * | 2008-01-17 | 2008-07-09 | 友达光电股份有限公司 | LCD device, photoelectric device and process for production thereof |
| CN202196197U (en) * | 2011-09-16 | 2012-04-18 | 北京京东方光电科技有限公司 | Irregularly-shaped light guide plate, backlight module and liquid crystal display device |
| KR20150109743A (en) * | 2014-03-20 | 2015-10-02 | 엘지디스플레이 주식회사 | Curved display device |
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| CN105824149A (en) * | 2015-01-23 | 2016-08-03 | 三星显示有限公司 | Curved display device |
| CN104748015A (en) * | 2015-04-09 | 2015-07-01 | 京东方科技集团股份有限公司 | Backlight module and diffusion plate of curve display device and curve display device |
| CN204785854U (en) * | 2015-06-16 | 2015-11-18 | Tcl王牌电器(惠州)有限公司 | Curved surface structure in a poor light and LCD |
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| CN108716631A (en) * | 2018-07-26 | 2018-10-30 | 合肥惠科金扬科技有限公司 | Segmented backlight lamp, backlight module and display |
| CN115273663A (en) * | 2022-07-19 | 2022-11-01 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN115273663B (en) * | 2022-07-19 | 2024-03-26 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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Address after: 266555 Shandong Qingdao economic and Technological Development Zone front Bay Road 218 Patentee after: Hisense Video Technology Co., Ltd Address before: 266555 Shandong Qingdao economic and Technological Development Zone front Bay Road 218 Patentee before: HISENSE ELECTRIC Co.,Ltd. |