CN108445674A - Flexible light-emitting module, backlight module and display device - Google Patents
Flexible light-emitting module, backlight module and display device Download PDFInfo
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- CN108445674A CN108445674A CN201810229417.3A CN201810229417A CN108445674A CN 108445674 A CN108445674 A CN 108445674A CN 201810229417 A CN201810229417 A CN 201810229417A CN 108445674 A CN108445674 A CN 108445674A
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- 238000005520 cutting process Methods 0.000 claims abstract description 79
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 238000006748 scratching Methods 0.000 claims description 3
- 230000002393 scratching effect Effects 0.000 claims description 3
- 230000002742 anti-folding effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0274—Optical details, e.g. printed circuits comprising integral optical means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention relates to a flexible light-emitting module, a backlight module and a display device. The flexible light-emitting module comprises a flexible substrate and a plurality of light-emitting elements. The flexible substrate has a first side, a second side opposite to the first side, and a first cutting line. The first cutting line extends from the first side to the second side so as to form a plurality of first protruding parts which are arranged in a staggered mode on two sides of the first cutting line along the extending direction of the first cutting line. The light-emitting element is arranged on the flexible substrate and is arranged corresponding to the first protruding part.
Description
Technical field
The present invention relates to a kind of light emitting module, backlight module and display devices, and more particularly to a kind of bendable luminous mould
Block, the backlight module with this bendable light emitting module and the display device using this backlight module.
Background technology
It is typically to be come in a manner of adding backlight module since the liquid crystal itself in liquid crystal display device does not shine
Light source needed for display is provided.The general practice of backlight module is made of light emitting module and light guide plate, wherein light emitting module
It is that light-emitting component is set on strip substrate to be constituted.In general, such string light module is known as striation
(light bar), and the full-size of striation is often limited by the size of substrate.
However, in large-sized display device, since long edge size is much larger than the size of striation, and due to being limited to light
The size of item or single a striation can not payload whole light-emitting component, so often needing the striation by several
To form backlight module.But the typesetting utilization rate of such configuration mode (utilization of layout) is poor, and
It is affected by the size of striation.Therefore, how to improve the typesetting utilization rate of striation, and reduce the limit caused by the size of striation
System has become the project for wanting to solve at present in fact.
Invention content
The present invention provides a kind of bendable light emitting module, with preferable typesetting utilization rate, and the size of light emitting module
Less limited by the size of substrate.
The present invention provides a kind of backlight module, can have a larger size, and included light emitting module have compared with
Good typesetting utilization rate, and the size of light emitting module is less limited by the size of substrate.
The present invention provides a kind of display device, can be large-sized display device, and included light emitting module has
There is preferable typesetting utilization rate, and the size of light emitting module is less limited by the size of substrate.
The bendable light emitting module of the present invention includes flexible substrate and a plurality of light-emitting elements.Flexible substrate has the
Side, the second side and the first cutting line relative to the first side.First cutting line extends from the first lateral the second side, on edge
It and forms multiple the first protrusions for crisscrossing the configuration of the first cutting line both sides on the extending direction of the first cutting line.Light-emitting component
It is configured on flexible substrate, and light-emitting component is configured corresponding to the first protrusion.
The bendable light emitting module of the present invention includes flexible substrate and a plurality of light-emitting elements.Flexible substrate has
Multiple first protrusions, the first face and the second face relative to the first face.Flexible substrate include first element area, second yuan
Part area and the first reflexed area.First element area has first the second side while first, and some of the
One protruding parts is in the first side.Second element area has fourth side of third while third, and some of the
One protruding parts in third side, and third while profile correspond to first while profile.First reflexed area is connected to first element
Between area and second element area.Light-emitting component is configured on the first face of flexible substrate, and light-emitting component is convex corresponding to first
Go out portion's configuration.
The backlight module of the present invention includes light guide plate and above-mentioned bendable light emitting module.Wherein in bendable luminous mould
In block, the first face positioned at first element area and the first face positioned at second element area are towards light guide plate.
The display device of the present invention includes above-mentioned backlight module and display element layer.Wherein display element layer is configured at
On backlight module.
It is using flexible substrate as base material based on above-mentioned, of the invention bendable light emitting module, and flexible substrate exists
After cutting and fold, bendable light emitting module can be made to be converted to unfolded state from collapse state, it is therefore, bendable to shine
The size of module is less limited by the size of substrate.In addition to this, bendable light emitting module prolonging in cutting line of the invention
The side of stretching is upwardly formed multiple protrusions for crisscrossing the configuration of cutting line both sides, and light-emitting component is configured corresponding to these protrusions,
Therefore, bendable light emitting module can have preferable typesetting utilization rate.In addition, due to bendable light emitting module of the invention
Size is less limited by the size of substrate, or the bendable light emitting module after expansion can have larger length, therefore,
Bendable light emitting module through the invention can also have larger size with the constituted backlight module of other components, and
Such backlight module is further set to can be applied to large-sized display device.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and coordinate specification attached
Figure is described in detail below.
Description of the drawings
Figure 1A is the vertical view according to a kind of collapse state of bendable light emitting module of the first embodiment of the present invention.
Figure 1B is the vertical view according to a kind of a kind of unfolded state of bendable light emitting module of the first embodiment of the present invention
Figure.
Fig. 1 C are the parts according to a kind of a kind of unfolded state of bendable light emitting module of the first embodiment of the present invention
Diagrammatic cross-section.
Fig. 2 is the vertical view according to a kind of collapse state of bendable light emitting module of the second embodiment of the present invention.
Fig. 3 is the vertical view according to a kind of collapse state of bendable light emitting module of the third embodiment of the present invention.
Fig. 4 is the vertical view according to a kind of collapse state of bendable light emitting module of the fourth embodiment of the present invention.
Fig. 5 is the vertical view according to a kind of collapse state of bendable light emitting module of the fifth embodiment of the present invention.
Fig. 6 is the vertical view according to a kind of backlight module of one embodiment of the invention.
Fig. 7 is the stereoscopic schematic diagram according to a kind of display device of one embodiment of the invention.
Reference sign：
100、200、300、400、500：Bendable light emitting module
110：Flexible substrate
111：First element area
111a：First reflexed area
112：Second element area
112a：Second reflexed area
113：Third element area
113a：Third reflexed area
114：Fourth element area
121：First side
122、422：The second side
131：First face
132：Second face
141：First protrusion
142、442、542：Second protrusion
150、250、550：Light-emitting component
151：Distance
160：Connection gasket
C1：First cutting line
C1a：First extending direction
C2：Second cutting line
C2a：Second extending direction
C3：Third cutting line
C3a：Third extending direction
F1：First broken line
F2：Second broken line
F3：Third fold line
F4：Fourth fold line
F5：5th broken line
F6：6th broken line
S1：First side
S2：Second side
S3：Third side
S4：4th side
S5：5th side
S6：6th side
S7：7th side
S8：8th side
P1：First point
P2：Second point
P3：Thirdly
P4：4th point
P5：5th point
10：Backlight module
11：Light guide plate
11a：Incidence surface
11b：Light-emitting surface
20：Display device
21：Display element layer
R：Region
Specific implementation mode
Figure 1A is the vertical view according to a kind of collapse state of bendable light emitting module of the first embodiment of the present invention.Figure
1B is the vertical view according to a kind of unfolded state of bendable light emitting module of the first embodiment of the present invention.Fig. 1 C are according to this
A kind of partial cutaway schematic view of the unfolded state of bendable light emitting module of the first embodiment of invention.Specifically, Fig. 1 C
For the diagrammatic cross-section of region R in Figure 1B.
In the present embodiment, bendable light emitting module 100 may include flexible substrate 110, multiple connection gaskets 160 and
A plurality of light-emitting elements 150.Light-emitting component 150 is configured on the first face 131 of flexible substrate 110, and light-emitting component 150 can be with
It is electrically connected by conducting wire (not shown) and connection gasket 160.In the present embodiment, connection gasket 160 is configured at flexible substrate 110
The first face 131 on, however, the present invention is not limited thereto.In other embodiments, connection gasket 160 can be designed according to circuit
(layout) demand on and be configured at flexible substrate 110 relative on second face 132 in the first face 131.In addition, multiple hairs
It can be one another in series between optical element 150 and/or and even, and identical and/or different color of light can be sent out.In the present embodiment
In, light-emitting component 150 is, for example, light emitting diode (Light-emitting diode；LED), for shining but in the present invention
Electric connection mode between the luminescent color of element 150, quantity, size, pattern, type and/or light-emitting component 150 is all not added with
With limitation.The material of flexible substrate 110 is, for example, polyimide (polyimide；PI) or other suitable flexible materials,
So that the bendable light emitting module 100 with flexible substrate 110 can be bent or be bent.
Shown in Figure 1A, flexible substrate 110 can be the sheet substrate of whole face formula, and flexible substrate 110 has each other
The first opposite side 121 and the second side 122, wherein compared to the second side 122, connection gasket 160 is closer to the first side 121.It can
Scratching formula substrate 110 has the first cutting line C1, the first broken line F1 and the second broken line F2.First cutting line C1 and the first broken line F1
It intersects at the first point P1, the first cutting line C1 and the second broken line F2 and intersects at second point P2, the first cutting line C1 prolongs along first
It stretches direction C1a from the first side 121 to the second side 122 to extend, and the first cutting line C1 by the first point P1 and terminates in second point P2.
In other words, the first cutting line C1 is not through flexible substrate 110.Thus, can by scissors, blade, high pressure waterjet, swash
Light is cut or other suitable cutter device/methods, and flexible substrate 110 is cut along the first cutting line C1, and makes bendable
Substrate 110 is formed in first element area 111 and the second element area 112 of the first cutting line C1 opposite sides, and first element area
111 with first reflexed area 111a of the second element area 112 between by be connected.
Shown in Figure 1A to Fig. 1 C, first element area 111 has relative to each other first S2, second element in S1 and second
Area 112 has the third relative to each other S4 in S3 and the 4th.Also, due to the first side S1 in first element area 111 and second
The third side S3 of element region 112 is to be formed flexible substrate 110 after the first cutting line C1 cuttings, therefore, the first side
The profile of S1 corresponds to the profile of the third side S3 between the first point P1 and the first side 121.First cutting line C1 is with multiple
The broken line of concave-convex profile.It, can be with by the first cutting line C1 with concave-convex profile thus, on the first extending direction C1a
Constitute multiple the first protrusions 141 for crisscrossing the first both sides cutting line C1.That is, partial the first protrusion 141
The first side S1 in first element area 111, remaining first protrusion of part 141 are located at the third side S3 in second element area 112,
And the first protrusion 141 positioned at first element area 111 prolongs with the first protrusion 141 positioned at second element area 112 first
Stretch the opposite sides configuration that the first cutting line C1 is overlapped each other and crisscrossed on the C1a of direction.
In the present embodiment, the concave-convex profile of the first cutting line C1 is substantially positive ladder type, so that by the first cutting line C1
The first protrusion 141 defined have corresponding trapezoid, and the upper bottom of trapezoid be the first cutting line C1 (or, first
In S1/ thirds while S3) a part, however, the present invention is not limited thereto.In other embodiments, these concave-convex profiles can be similar
Arc, triangle, rectangle or inverted trapezoidal, so as to be corresponding arc by the shape of the first protrusion 141, triangle, rectangular
Shape or inverted trapezoidal.
Light-emitting component 150 configures on the first protrusion 141, and on the first extending direction C1a, light-emitting component
150 is identical as the distance between the first cutting line C1 151.That is, on the first extending direction C1a, it is configured at
The distance between light-emitting component 150 in first element area 111 and first side S1 151 is identical, and is configured at second element area 112
On the distance between light-emitting component 150 and third side S3 151 it is identical.Thus, when bendable light emitting module 100 is such as being schemed
Under collapse state shown in 1A, these light-emitting components 150 can overlap each other on the first extending direction C1a.Also, when flexible
Under unfolded state as shown in Figure 1B, these light-emitting components 150 can overlap each other formula light emitting module 100.Certainly, due to figure
It is specific unfolded state shown in 1B, when bendable light emitting module 100 is under other different expansion or deflected, these
Light-emitting component 150 can not be overlapped.
In the present embodiment, a light-emitting component 150 corresponds to first protrusion 141 and configures.That is, shining
The quantity of element 150 is identical as the quantity of the first protrusion 141, however, the present invention is not limited thereto.For example, in Figure 1A and Figure 1B
In shown embodiment, 141/ light-emitting component 150 of the first protrusion in first element area 111 be for three,
And 141/ light-emitting component 150 of the first protrusion in second element area 112 is for three.
Referring to Figure 1A to Fig. 1 C, in the present embodiment, the collapse state of bendable light emitting module 100 is to being unfolded shape
Conversion regime between state can be as follows.First, please refer to Figure 1A, can by second element area 112 along the second broken line F2 to
First element area 111 and the first reflexed area 111a are turned down so that under collapse state to each other and the first side S1 of contact with
Third side S3 is detached, and makes the first face 131 positioned at second element area 112 towards the first face 131 positioned at first element area 111
With positioned at the first face 131 of the first reflexed area 111a.It then, can be by the second element area 112 and the first reflexed area after fold
111a is turned down along the first broken line F1 to first element area 111, so that positioned at the second face 132 of the first reflexed area 111a towards position
The second face 132 in first element area 111, to constitute unfolded state as shown in Figure 1B.Also, region R in fig. ib, with
From second in S2/ the 4th S4 to first in S1/ thirds while the directions S3 on diagrammatic cross-section can be Fig. 1 C shown in.Except this it
Outside, the open state of bootstrapping of bendable light emitting module 100 can be made to be converted to collapse state above-mentioned step to be reversed.
Certainly, the conversion regime between above-mentioned unfolded state and collapse state by bendable light emitting module 100 only shows
The expression of example property, in the present invention is not limited thereto.For example, can by second element area 112 along the second broken line F2 to
First element area 111 and the first reflexed area 111a are turned down so that under collapse state to each other and the first side S1 of contact with
Third side S3 is detached, and makes the second face 132 positioned at second element area 112 towards the second face 132 positioned at first element area 111
With positioned at the second face 132 of the first reflexed area 111a.It then, can be by the second element area 112 and the first reflexed area after fold
111a is turned down along the first broken line F1 to first element area 111, so that positioned at the first face 131 of the first reflexed area 111a towards position
The first face 131 in first element area 111, to constitute another unfolded state.In addition to this, by above-mentioned step reversely into
Row can make bendable light emitting module 100 be converted to collapse state from another unfolded state.
It is of course also possible to by the different cuttings of flexible substrate 110 or fold/flexure mode, and can make bendable
Light emitting module 100 can have other different expansion or deflected.
Fig. 2 is the vertical view according to a kind of collapse state of bendable light emitting module of the second embodiment of the present invention.
In the present embodiment, bendable light emitting module 200 is similar to bendable light emitting module 100, and similar component is with identical label
It indicates, and has the function of similar, and omit description.Please refer to Fig.1 A and Fig. 2, the bendable light emitting module 200 of the present embodiment
It is with the difference of the bendable light emitting module 100 of above-described embodiment：A plurality of light-emitting elements 250 correspond to first protrusion
141 configurations.That is, the quantity of light-emitting component 250 is the integral multiple of the quantity of the first protrusion 141.It is shown in Fig. 2 go out
In embodiment, the first protrusion 141 in first element area 111 is located in first element area 111 for three
Light-emitting component 250 is for six, and the first protrusion 141 in second element area 112 and is located at for three
Light-emitting component 250 in second element area 112 is for six.
Certainly, the bendable light emitting module 200 of the present embodiment can also pass through the bendable luminous mould with above-described embodiment
100 similar mode of block carries out the conversion between unfolded state and collapse state, is not repeated here in this.
Fig. 3 is the vertical view according to a kind of collapse state of bendable light emitting module of the third embodiment of the present invention.
In the present embodiment, bendable light emitting module 300 is similar to bendable light emitting module 100, and similar component is with identical label
It indicates, and has the function of similar, and omit description.
A and Fig. 3 are please referred to Fig.1, in the present embodiment, also there is flexible substrate 110 second cutting line C2, third to cut
Line C3, third fold line F3, fourth fold line F4, the 5th broken line F5 and the 6th broken line F6.Second cutting line C2 is located at the first cutting
Between line C1 and third cutting line C3.Third fold line F3 is between the first cutting line C1 and the second cutting line C2.5th broken line
F5 is between the second cutting line C2 and third cutting line C3.Second cutting line C2, third fold line F3 are intersected with fourth fold line F4
Extend from the second side 122 to the first side 121 along the second extending direction C2a in thirdly P3, the second cutting line C2, second extends
Direction C2a is in contrast to the first extending direction C1a, and the second cutting line C2 terminates in thirdly P3.Third cutting line C3 and the 5th folding
Line F5 intersects at the 4th point P4, and third cutting line C3 and the 6th broken line F6 intersect at the 5th point P5, and third cutting line C3 is along
Three extending direction C3a extend from the first side 121 to the second side 122, and third extending direction C3a is identical to the first extending direction C1a,
And third cutting line C3 by the 4th point P4 and terminates in the 5th point P5.In other words, the second cutting line C2 and third cutting line C3 be all
Not through flexible substrate 110.Thus, can bendable base more be cut along the second cutting line C2 and third cutting line C3
Plate 110, and flexible substrate 110 is made more to form third element area 113 and fourth element area 114, wherein second element area 112 with
Third element area 113 is in the opposite sides of the second cutting line C2, and third element area 113 is cut with fourth element area 114 in third
The opposite sides of secant C3.Phase by the second reflexed area 112a between of second element area 112 and third element area 113
Even, third reflexed area 113a between of third element area 113 and fourth element area 114 by be connected.First reflexed area
111a and the second reflexed area 112a is located at the opposite end in second element area 112, the second reflexed area 112a and third reflexed
Area 113a is located at the opposite end in third element area 113.
There is the S6 in S5 and the 6th of relative to each other the 5th, sixth element area to have relative to each other in third element area 113
The 7th in S7 and the 8th S8.Also, since, second element area 112 is the 4th in the 6th of S4 and third element area 113
S6 is to be formed flexible substrate 110 after the second cutting line C2 cutting, and the 5th side S5 in third element area 113 and the
7th side S7 of four element regions 114 is to be formed flexible substrate 110 after the C3 cuttings of third cutting line, therefore, the 4th
The profile of S6 when the profile of S4 corresponds to the 6th, and the profile of the 5th side S5 corresponds between the 4th point P4 and the first side 121
The 7th side S7 profile.Third cutting line C3 is the broken line with multiple concave-convex profiles.Thus, in third extending direction
On C3a, it may be constructed by the third cutting line C3 with concave-convex profile and multiple crisscross the second convex of the both sides third cutting line C3
Go out portion 142.That is, the second partial protrusion 142 is located at the 5th side S5 in third element area 113, remaining part
Two protrusions 142 are located at the 7th side S7 in fourth element area 114, and the second protrusion 142 positioned at third element area 113 and position
The second protrusion 142 in fourth element area 114 overlaps each other on third extending direction C3a and crisscrosses third cutting line C3
Opposite sides configuration.
In the present embodiment, the quantity of the first protrusion 141 is identical as the quantity of the second protrusion 142, but the present invention is not
It is limited to this.
In the present embodiment, the size and shape phase of the size and shape of the first protrusion 141 and the second protrusion 142
Together, however, the present invention is not limited thereto.
Fig. 4 is the vertical view according to a kind of collapse state of bendable light emitting module of the fourth embodiment of the present invention.
In the present embodiment, bendable light emitting module 400 is similar to bendable light emitting module 300, and similar component is with identical label
It indicates, and has the function of similar, and omit description.Please refer to Fig.3 and Fig. 4, the bendable light emitting module 400 of the present embodiment with
The difference of the bendable light emitting module 300 of above-described embodiment is：The second side 422 of flexible substrate 110 is polyline shaped.Second
The part the 4th of element region 112 S6 in S4 the with third element area 113 the 6th is by flexible substrate 110 along the second cutting
Line C2 cutting is formed, therefore, the 4th when the partial contour of S4 is corresponding to the 6th S6 profile.Also, the first protrusion 141
Quantity it is different from the quantity of the second protrusion 442.
Fig. 5 is the vertical view according to a kind of collapse state of bendable light emitting module of the fifth embodiment of the present invention.
In the present embodiment, bendable light emitting module 500 is similar to bendable light emitting module 300, and similar component is with identical label
It indicates, and has the function of similar, and omit description.Please refer to Fig.3 and Fig. 5, the bendable light emitting module 500 of the present embodiment with
The difference of the bendable light emitting module 300 of above-described embodiment is：The size of first protrusion 141 and the second protrusion 542
Size is different.In addition to this, the light-emitting component 550 being configured on the second protrusion 542 can be configured at the first protrusion 141
On light-emitting component 150 it is identical or different, in the present invention is not limited thereto.
Fig. 6 is the vertical view according to a kind of backlight module 10 of one embodiment of the invention.In the present embodiment, backlight mould
Block 10 may include light guide plate 11 and the bendable light emitting module of aforementioned any embodiment.It is worth noting that, shown in Fig. 6
In the embodiment gone out, multiple bendable light emitting modules included by backlight module 10 are with the first embodiment with unfolded state
Bendable light emitting module 100 for, and indicate for clarity, each bendable light emitting module 100 illustrates only bendable base
Relativeness between plate 110 and a plurality of light-emitting elements 150, and omit the fold state for showing flexible substrate 110.
Fig. 6 is please referred to, in bendable light emitting module 100, the first face 131 equipped with light-emitting component 150 is towards light guide plate
11 incidence surface 11a so that the light that is sent out of light-emitting component 150 can inject light guide plate 11 via incidence surface 11a, and again via
It is projected from the light-emitting surface 11b of light guide plate 11 after leaded light.
In the present embodiment, bendable light emitting module 100 is the however, the present invention is not limited thereto by taking unfolded state as an example.At it
In his embodiment, bendable light emitting module 100 can have other flexures or bending according to the demand in design
State.
Fig. 7 is the stereoscopic schematic diagram according to a kind of display device 20 of one embodiment of the invention.In the present embodiment, it shows
Showing device 20 may include display element layer 21 and backlight module 10, and wherein backlight module 10 may include light guide plate 11 and preceding
State the bendable light emitting module of any embodiment.It is worth noting that, in the embodiment illustrated in figure 7,10 institute of backlight module
Including multiple bendable light emitting modules be by taking the bendable light emitting module 100 of the first embodiment with unfolded state as an example,
And indicate for clarity, backlight module 10 illustrates only flexible substrate 110 and light guide plate 11 in bendable light emitting module 100
Between relativeness, and omit the fold state of flexible substrate 110 of showing.
Fig. 7 is please referred to, the light that bendable light emitting module 100 is sent out can inject light guide plate 11 via incidence surface 11a, and
It is projected again from the light-emitting surface 11b of light guide plate 11 via after leaded light, and controls the brightness of light by display element layer 21.
In conclusion the bendable light emitting module of the present invention is using the flexible substrate of whole face formula as base material, and it is flexible
Formula substrate can make bendable light emitting module be converted to unfolded state from collapse state after via cutting and fold, therefore, can
The size for scratching formula light emitting module is less limited by the size of substrate.In addition to this, bendable light emitting module of the invention is being cut
Multiple protrusions for crisscrossing the configuration of cutting line both sides are formed on the extending direction of secant, and light-emitting component is protruded corresponding to these
Portion configures, and therefore, bendable light emitting module can have preferable typesetting utilization rate.In addition, due to the bendable hair of the present invention
The size of optical module is less limited by the size of substrate, or the bendable light emitting module after expansion can have larger length
Degree, therefore, bendable light emitting module through the invention can also have larger with the constituted backlight module of other components
Size, and such backlight module is further made to can be applied to large-sized display device.
Although the present invention is disclosed as above with embodiment, however, it is not to limit the invention, any people in the art
Member, without departing from the spirit and scope of the present invention, when can make a little variation and retouching, therefore protection scope of the present invention is when regarding
Subject to as defined in claim.
Claims (20)
1. a kind of bendable light emitting module, including：
One flexible substrate has one first side, a second side and one first cutting line relative to first side, wherein should
First cutting line extends from the first lateral the second side, more to be formed on the first extending direction along first cutting line
A the first protrusion for crisscrossing the first cutting line both sides configuration；And
A plurality of light-emitting elements are configured on the flexible substrate, and those light-emitting components are configured corresponding to those first protrusions.
2. bendable light emitting module as described in claim 1, wherein those first protrusions on first extending direction that
This overlapping.
3. bendable light emitting module as described in claim 1, wherein between those light-emitting components and first cutting line away from
From identical.
4. bendable light emitting module as described in claim 1, wherein those each light-emitting components correspond to it is each those first
Protrusion configures.
5. bendable light emitting module as described in claim 1, those plurality of light-emitting components correspond to it is each those first
Protrusion configures.
6. bendable light emitting module as described in claim 1, the wherein flexible substrate also have one second cutting line and
One third cutting line, wherein：
Second cutting line extends from second lateral first side；And
The third cutting line extends from the first lateral the second side, to be formed on the extending direction along the third cutting line
Multiple the second protrusions for crisscrossing third cutting line both sides configuration, second cutting line be located at first cutting line and this
Between three cutting lines, and those light-emitting components also correspond to the configuration of those second protrusions.
7. bendable light emitting module as claimed in claim 6, the wherein quantity of those the first protrusions and those the second protrusions
The quantity in portion is different.
8. bendable light emitting module as claimed in claim 6, the wherein size of those the first protrusions and those the second protrusions
The size in portion is different.
9. a kind of bendable light emitting module, including：
One flexible substrate has multiple first protrusions, one first face and one second face relative to first face, this can
The formula substrate of scratching includes：
One first element area, with one first while and relative to this first while one second side, it is some of those first
Protruding parts is in first side；
One second element area, have one fourth side of the third while third, it is some of those first
Protruding parts in the third side, and this first while profile correspond to the third while profile；And
One first reflexed area is connected between the first element area and the second element area；And
A plurality of light-emitting elements are configured on first face of the flexible substrate, and those light-emitting components correspond to those first
Protrusion configures.
10. bendable light emitting module as claimed in claim 9, wherein those first protrusions overlap each other.
11. bendable light emitting module as claimed in claim 9, those light-emitting components and this first while or when the third between
Apart from identical.
12. bendable light emitting module as claimed in claim 9, wherein those each light-emitting components correspond to it is each those first
Protrusion configures.
13. bendable light emitting module as claimed in claim 9, those plurality of light-emitting components correspond to it is each those first
Protrusion configures.
14. bendable light emitting module as claimed in claim 9, the wherein flexible substrate also have multiple second protrusions,
Those light-emitting components also correspond to the configuration of those second protrusions, and the flexible substrate further includes：
Third element area, has one the 5th one the 6th side while the 5th, and some of those are second convex
Go out portion and is located at the 5th side；
Fourth element area, has one the 7th one the 8th side while the 7th, and some of those are second convex
Go out portion and be located at the 7th side, and the 5th while profile correspond to the 7th while profile；
Second reflexed area is connected between the second element area and the third element area, and the first reflexed area is second anti-with this
Folding area is located at the opposite end in the second element area；And
Third reflexed area is connected between the third element area and the fourth element area, and the second reflexed area and the third are anti-
Folding area is located at the opposite end in the third element area.
15. bendable light emitting module as claimed in claim 14, the wherein quantity of those the first protrusions are second convex with those
The quantity for going out portion is different.
16. bendable light emitting module as claimed in claim 14, the wherein size of those the first protrusions are second convex with those
The size for going out portion is different.
17. bendable light emitting module as claimed in claim 9, wherein first side in the first element area is towards this second yuan
The third side in part area.
18. bendable light emitting module as claimed in claim 9, wherein：
First face positioned at the first element area is located at first reflexed towards first face positioned at the first reflexed area
Second face in area is towards second face positioned at the second element area；Or
Second face positioned at the first element area is located at first reflexed towards second face positioned at the first reflexed area
First face in area is towards first face positioned at the second element area.
19. a kind of backlight module, including：
One light guide plate；And
Bendable light emitting module as claimed in claim 9, wherein positioned at the first element area first face and positioned at this
First face in two element area is towards the light guide plate.
20. a kind of display device, including：
Backlight module as claimed in claim 19；And
One display element layer is configured on the backlight module.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107102605 | 2018-01-25 | ||
| TW107102605A TWI647498B (en) | 2018-01-25 | 2018-01-25 | Flexible light emitting module, backlight module with the same, and display device using the same |
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| Publication Number | Publication Date |
|---|---|
| CN108445674A true CN108445674A (en) | 2018-08-24 |
| CN108445674B CN108445674B (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810229417.3A Active CN108445674B (en) | 2018-01-25 | 2018-03-20 | Flexible light-emitting module, backlight module and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108445674B (en) |
| TW (1) | TWI647498B (en) |
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| CN108445674B (en) | 2021-01-19 |
| TWI647498B (en) | 2019-01-11 |
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