CN107942563A - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN107942563A CN107942563A CN201711213681.XA CN201711213681A CN107942563A CN 107942563 A CN107942563 A CN 107942563A CN 201711213681 A CN201711213681 A CN 201711213681A CN 107942563 A CN107942563 A CN 107942563A
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- Prior art keywords
- driving chip
- supporting structure
- display module
- flexible pcb
- display
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of display module and display device.Display module, including：Display panel, including viewing area and the non-display area for surrounding viewing area, non-display area include binding area；Flexible PCB, it is bundled in binding area, flexible PCB can bend the back side for being placed on display panel, driving chip and supporting structure are fixed with flexible PCB, driving chip and supporting structure are located at the same side of flexible PCB, when flexible PCB is in bending state, on the direction of display panel plate face, the height of supporting structure is more than the height of driving chip.Display module and display device provided by the invention, can realize raising screen accounting, while when display module and display device bear external stress, and supporting structure can support and protect driving chip, and the performance reliability of display module and display device is high.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of display module and display device.
Background technology
In existing display device technology, display panel is broadly divided into liquid crystal display panel and organic light-emitting display panel
The technology of two kinds of mainstreams.Wherein, liquid crystal display panel can control liquid crystal point by applying voltage, formation at liquid crystal molecule both ends
The electric field of son deflection, and then control the transmission of light to realize the display function of display panel；Organic light-emitting display panel uses
Electroluminescent organic material, when there is electric current to pass through electroluminescent organic material, luminescent material will shine, and then realize aobvious
Show the display function of panel.
In recent years, people require the sensory experience of display device higher and higher, shield display comprehensively and are increasingly becoming a kind of tide
Stream.In order to realize the high screen accounting of display device, have cancel the entire entity key of display device at present, by display device
Receiver, the first-class device of shooting such as concentrate in together at the design method for the frame that narrows.
Therefore it provides it is a kind of can improve screen accounting and dependable performance display module and display device, be this area urgently
Problem to be solved.
The content of the invention
In view of this, the present invention provides a kind of display module and display device, solve raising screen accounting and performance can
The technical problem leaned on.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of display module, including：
Display panel, including viewing area and the non-display area for surrounding viewing area, non-display area include binding area；
Flexible PCB, is bundled in binding area, and flexible PCB can bend the back side for being placed on display panel, flexible electrical
Driving chip and supporting structure are fixed with the plate of road, driving chip and supporting structure are located at the same side of flexible PCB, flexible
When circuit board is in bending state, on the direction of display panel plate face, the height of supporting structure is more than driving chip
Height.
Further, in order to solve the above-mentioned technical problem, the present invention proposes a kind of display device, including provided by the invention
Any one display module.
Compared with prior art, display module and display device of the invention, realize following beneficial effect：
Display module and display device provided by the invention, driving chip are fixed on flexible PCB, flexible circuit
Plate is bundled in the binding area of display panel, the back side after bending by driving chip as display panel, following in display module
Frame position is not provided with driving chip, reduces to lower frame the space occupied, and narrowed lower frame, meanwhile, soft in the present invention
Property circuit board on supporting structure is set, supporting structure is located at the homonymy of flexible PCB, the height of supporting structure with driving chip
More than the height of driving chip, when display module bears external pressure, supporting structure can play driving chip support and protect
The effect of shield, after display module is assembled into display device, when the front or the back side of display device meet with stresses, supporting structure
Support driving chip in height, ensure that driving chip is not extruded, reduce driving chip and be deformed or even fracture rupture
Risk, display module and display device provided by the invention, can be suitable for narrowing frame, improve screen accounting, while to driving
Dynamic chip carries out the performance reliability that protection improves display module and display device.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
It is used to explain the principle of the present invention together with its explanation.
Fig. 1 is the schematic top plan view of display module provided in an embodiment of the present invention；
Fig. 2 is the schematic cross-section of display module provided in an embodiment of the present invention；
Fig. 3 is a kind of optional embodiment schematic diagram in the section of supporting structure；
Fig. 4 is another optional embodiment schematic diagram in the section of supporting structure；
Fig. 5 is another optional embodiment schematic diagram in the section of supporting structure；
Fig. 6 meets with stresses schematic diagram for display device；
Fig. 7 is only display device meets with stresses schematic diagram when driving chip side sets supporting structure；
Fig. 8 is the schematic top plan view of display module when flexible PCB is unfolded state；
Fig. 9 is another optional embodiment schematic top plan view of display module when flexible PCB is unfolded state；
Figure 10 is another optional embodiment schematic top plan view of display module when flexible PCB is unfolded state；
Figure 11 is another optional embodiment schematic diagram of supporting structure in backlight module provided in an embodiment of the present invention；
Figure 12 is another optional embodiment schematic diagram of display module provided in an embodiment of the present invention；
Figure 13 is another optional embodiment schematic diagram of display module provided in an embodiment of the present invention；
Figure 14 is a kind of local optional embodiment schematic top plan view for the display module that Figure 11 is provided；
Figure 15 is that another optional embodiment section of supporting structure in display module provided in an embodiment of the present invention shows
It is intended to；
Figure 16 is a kind of optional embodiment schematic diagram of display device provided in an embodiment of the present invention.
Embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition have
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
In relevant display device technology, in order to realize that the frame that narrows improves screen accounting, cancel display device lower frame
IC, is integrated into the back side that display panel is placed on flexible PCB by the setting of IC (driving chip), and such design is being shown
When the back of device meets with stresses, the front of display device is impacted or display device complete machine falls, positioned at display panel
The IC at the back side easily produces the even fragmentation equivalent risk that fractures, and influences display device performance reliability.
The present invention provides a kind of display module and display device, by flexible substrates, being set with the homonymy of driving chip
Supporting structure is put, the height of supporting structure is more than the height of driving chip, and when display module bears external force, supporting structure can
Protect driving chip not compact, avoid driving chip and produce fracture even fragmentation equivalent risk, lift display module and display
Device performance reliability.
Fig. 1 is the schematic top plan view of display module provided in an embodiment of the present invention, and Fig. 2 is provided in an embodiment of the present invention aobvious
Show the schematic cross-section of module, Fig. 2 is the sectional view of the display module at tangent line location of C in Fig. 1.
With reference to shown in Fig. 1 and Fig. 2, display module includes：Display panel 101, display panel 101 include viewing area AA
Include binding area BD with the non-display area BA for surrounding viewing area AA, non-display area BA；Wherein, display panel 101 can be liquid crystal
Display panel or organic electroluminescence display panel, when display panel is liquid crystal display panel, display panel includes array base palte, coloured silk
Ilm substrate and the liquid crystal layer between array base palte and color membrane substrates；When display panel is organic electroluminescence display panel, display
Panel includes the structures such as array base palte, anode layer, organic luminescent device layer and cathode layer；Display module further includes flexible PCB
102, it is bundled on binding area BD, flexible PCB 102 can bend the back side for being placed on display panel 101, flexible PCB
Driving chip 103 and supporting structure 104 are fixed with 102, driving chip 103 and supporting structure 104 are located at flexible PCB 102
The same side, when flexible PCB 102 is in bending state, on the direction of 101 plate face of display panel, supporting structure
104 height d1 is more than the height d2 of driving chip 103.Supporting structure 104 in the present invention can be that overall surround drives core
The structure of piece 103, or can also be the structure only set in 103 both sides of driving chip, wherein, driving chip 103 is used to give
Display panel 101 provides signal.
It should be noted that when flexible PCB 102 is in bending state, driving chip 103 can be located at flexible PCB
102 away from 101 side of display panel, alternatively, driving chip 103 is located at flexible PCB 102 close to 101 side of display panel,
Fig. 2 is only located at flexible PCB 102 with driving chip 103 and is illustrated close to 101 side of display panel.
In display module provided by the invention, driving chip is fixed on flexible PCB, flexible PCB is bundled in
In the binding area of display panel, the back side after bending by driving chip as display panel, in display module lower frame position not
Driving chip is set, is reduced to lower frame the space occupied, narrowed lower frame, meanwhile, in flexible PCB in the present invention
Upper setting supporting structure, supporting structure are located at the homonymy of flexible PCB with driving chip, and the height of supporting structure is more than driving
The height of chip, when display module bears external pressure, supporting structure can play the role of driving chip support protection,
After display module is assembled into display device, when the front or the back side of display device meet with stresses, supporting structure is in height
Driving chip is supported, ensures that driving chip is not extruded, driving chip is reduced and is deformed or even fractures the risk of rupture, this
The display module provided is provided, the frame that narrows can be suitable for, improves screen accounting, while protection is carried out to driving chip and is improved
The performance reliability of display module.
The present invention of making material in to(for) supporting structure is not specifically limited, and can be rubber type of material or Plastic
Material, such as the material system such as polyethylene terephthalate (PET), makrolon (PC), polyurethane (PU), polyethylene (PE)
The supporting structure of work can realize the protective effect to driving chip.
Further, in some optional embodiments, supporting structure in display module provided in an embodiment of the present invention
It is produced on by way of injection molding on flexible PCB, uses injection molding work at the position that driving chip closes on during making
Skill makes supporting structure, and the height of supporting structure is higher than the height of driving chip, the supporting structure that injection molding process is selected
Making material can be the PET material or PC materials that material is harder after being molded, and can also use the softer rebound of material after shaping
The larger fruit juice gel of power or silica gel etc., it is simple to operation using injection molding process technical maturity.
Optionally, supporting structure passes through certainly with glue, supporting structure is carried in display module provided in an embodiment of the present invention
It is fixed on the attached mode of sticker on flexible PCB.Can be that supporting structure is fabricated separately first, the branch after completing
A part for support structure has the characteristic (carrying glue, can be pasted onto supporting structure on other structures device) pasted, so
Supporting structure is attached at the position of closing on of driving chip afterwards, supporting structure is attached on flexible PCB by carrying gluing.Have
The harder PET material of material or PC materials can be included by carrying the making material of the supporting structure of glue, can also use material
The larger fruit juice gel of softer screen resilience or silica gel etc., the lower cost for material selected using this kind of embodiment, supporting structure
Make simply, supporting structure attachment process is easy to operate.
Further, in some optional embodiments, in display module provided in an embodiment of the present invention, supporting structure
Surface away from flexible PCB is plane, curved surface or the surface with concaveconvex structure.Fig. 3 to Fig. 5 is only with identical with Fig. 2
Exemplified by sectional view at position, but Fig. 3 into Fig. 5 in order to clearly show that the surface of supporting structure, only illustrate display mould
Flexible display panels in group and the portion of support structure positioned at driving chip side, it is related not draw other in display module
Structure.Fig. 3 is a kind of optional embodiment schematic diagram in the section of supporting structure, as shown in figure 3, supporting structure 104 is away from soft
The surface M1 of property circuit board 102 is plane；Fig. 4 be supporting structure section another optional embodiment schematic diagram, such as Fig. 4
Shown, surface M2 of the supporting structure 104 away from flexible PCB 102 is curved surface；Fig. 5 is that the another kind in the section of supporting structure can
Embodiment schematic diagram is selected, as shown in figure 5, surface M3 of the supporting structure 104 away from flexible PCB 102 is with concaveconvex structure
Surface.It should be noted that surface of the supporting structure away from flexible PCB is not limited to above-mentioned several situations.
Surface namely display mould of the supporting structure away from flexible PCB in the display module that embodiment of the present invention provides
After group is assembled into display device, display device is born under external force state, and display module is squeezed, supporting structure and display panel
The surface (when driving chip is located at flexible PCB close to display panel side) of rear-face contact, or supporting structure and display
The surface (when driving chip is located at flexible PCB away from display panel side) that other structures contact in device, the surface can be with
Plane as shown in Figure 3, due to supporting structure manufacture craft etc. influence the surface not necessarily in flat state or
Curved surface as shown in Figure 4, or concavo-convex surface as shown in Figure 5, when surface of the supporting structure away from flexible PCB is in
During the surface of curved surface or bumps, such structure also can play the role of buffering to the stress of supporting structure, when support is tied
When the making material of structure includes relatively low material (such as the silica gel) of hardness after being molded, cushioning effect is more obvious, and supporting structure is not
Damage will not cross the internal structure of havoc display device because of hardness at the same time after easy stress, and display module can realize protection
Driving chip, while ensure that the stability of display module overall performance.
Further, in some optional embodiments, as shown in Fig. 2, in display module provided by the invention, support
The height d1 of structure 104 is bigger 0.05~0.3mm than the height d2 of driving chip 103, optionally, the height d2 of driving chip 103
For 0.2~0.3mm, the height d1 of supporting structure 104 is 0.25~0.5mm.In the display module that the embodiment provides, support
The height of structure is bigger 0.05~0.3mm than the height of driving chip, ensure that display module when bearing external force, supporting structure pair
The protection of driving chip, meanwhile, the supporting structure thickness of setting is smaller, when display module dresses up display device, to display device
Integral thickness influence it is smaller.
Further, in some optional embodiments, the long side of driving chip extends in a first direction, driving chip
Short side extend in a second direction, first direction is vertical with second direction, in driving chip in the first direction and/or along second party
Opposite both sides are provided with supporting structure upwards.This, can be only embodiments, provides a variety of set-up modes of supporting structure
Supporting structure is set in the opposite both sides of driving chip, or supporting structure is respectively provided with the surrounding for surrounding driving chip.Should
In the display module that embodiment provides, the supporting structure of setting can play the role of driving chip support protection, when aobvious
Show module group assembling into after display device, when the front or the back side of display device meet with stresses, supporting structure supports in height
Driving chip, ensures that driving chip is not extruded, and reduces driving chip and is deformed or even fractures the risk of rupture, display dress
When putting complete machine and falling, play the role of buffering to driving chip in the supporting structure that driving chip at least both sides are set, driving
Dynamic chip at least both sides are symmetrical arranged supporting structure, and when display device meets with stresses, the supporting structure balance of both sides is scattered
Stress, supporting structure is also more stable, and Fig. 6 meets with stresses schematic diagram for display device, as shown in fig. 6, the supporting structure of both sides
104 equivalent to " bridge type " structure 106 is established, which can protect the driving chip 103 of inside to be not affected by force.
Fig. 7 is only display device meets with stresses schematic diagram when driving chip side sets supporting structure, if as shown in fig. 7, only one
Side sets supporting structure 104, and it is larger and driving chip 103 is stressed influences that display device is possible to deformation after stress, this
Protection of the kind supporting structure to driving chip is weaker, therefore the mode provided in the present invention can realize have to driving chip
The protection of effect.Display module provided by the invention, can be suitable for the frame that narrows, while carries out protection to driving chip and improve
The performance reliability of display module.
In a kind of optional embodiment, Fig. 8 is the vertical view signal of display module when flexible PCB is unfolded state
Figure.Display module shown in Fig. 8, it is remote that driving chip 103 can be placed in flexible PCB 102 by flexible PCB 102 after bending
From the side of display panel 101, as shown in figure 8, a extends the long side of driving chip 103 in the first direction, driving chip 103
B extends short side in a second direction, and first direction a is vertical with second direction b, and Fig. 8 illustrates that supporting structure 104 surrounds driving chip
103, supporting structure 104 is " mouth " font in the orthographic projection of the plane where flexible PCB 102.
In another optional embodiment, Fig. 9 is the another kind of display module when flexible PCB is unfolded state
Optional embodiment schematic top plan view.The meaning of each mark illustrates with reference to the embodiment of figure 8 in Fig. 9, the display mould shown in Fig. 9
Driving chip 103 can be placed in one of flexible PCB 102 away from display panel 101 by group, flexible PCB 102 after bending
Side, as shown in figure 9, supporting structure 104 is diagonal shape in the orthographic projection of the plane where flexible PCB 102.
In another optional embodiment, Figure 10 is the another kind of display module when flexible PCB is unfolded state
Optional embodiment schematic top plan view.The meaning of each mark illustrates with reference to the embodiment of figure 8 in Figure 10, the display shown in Figure 10
Driving chip 103 can be placed in one of flexible PCB 102 away from display panel 101 by module, flexible PCB 102 after bending
Side, as shown in Figure 10, supporting structure 104 are " door " font in the orthographic projection of the plane where flexible PCB 102.
In another optional embodiment, Figure 11 is supporting structure in backlight module provided in an embodiment of the present invention
Another optional embodiment schematic diagram, only illustrates flexible PCB 102, driving chip 103 and supporting structure in fig. 11
104, supporting structure 104 can be multiple discontinuous supporting structures as shown in figure 11, and supporting structure 104 can also be only located at
The both sides of the long side of driving chip 103, or the both sides of 103 short side of driving chip are only located at, positioned at 103 the same side of driving chip
Supporting structure can also be discontinuous structure.
It should be noted that above-mentioned several embodiments in display module provided in an embodiment of the present invention not as to supporting
The restriction of the set-up mode of structure, for that can realize the knot protected to driving chip the invention belongs to same idea
Structure is within the scope of protection of the invention.
Further, in some optional embodiments, as shown in figure 8, in display module, around driving chip 103
There are excessive glue area Y, distance d3 of the supporting structure 104 away from excessive glue area Y is 0.3~1mm.Driving chip 103 is fixed on flexible circuit
Need to use colloidal materials when on plate 102, so usually there are excessive glue area Y around driving chip 103, in flexible PCB
The supporting structure 104 made on 102 has a certain distance apart from excessive glue area Y, ensures that supporting structure is arranged on flexible PCB
It is stable and firm on 102 flatter surfaces, while supporting structure 104 away from driving chip 103 there is certain distance to be also beneficial to drive
The heat dissipation under chip 103 works long hours is moved, ensures that 103 performance of driving chip is stablized.
Further, in some optional embodiments, supporting structure in display module provided in an embodiment of the present invention
Including the first supporting part and the second supporting part, surface of first supporting part away from flexible PCB is first surface, first surface
Distance away from flexible PCB is the first distance, and surface of second supporting part away from flexible PCB is second surface, the second table
The distance of identity distance flexible PCB is second distance, and the first distance is more than second distance, and second distance is more than driving chip
Highly；Wherein, the making material of the first supporting part is the first making material, and the making material of the second supporting part makes material for second
Material, the hardness of the first making material are less than the hardness of the second making material.
In the embodiment, supporting structure includes the first supporting part and the second supporting part, the first surface of the first supporting part
Distance away from flexible PCB is more than distance of the second surface away from flexible PCB of the second supporting part, when display module is assembled into
Display device when bearing the stress at front or the back side (such as display device is when be mobile phone, in the display surface pressing hand of mobile phone
Machine presses mobile phone at the back side of mobile phone), the first supporting part is first subjected to extruding, and the first supporting part uses first in the present invention
Making material, the second supporting part use the second making material, wherein the hardness of the first making material is less than the second making material
Hardness (such as the first making material is silica gel, and the second making material is PET material), the first supporting part material is softer to hold
Played a supporting role in protection by during smaller stress to driving chip, the second supporting part material is harder can be when bearing larger stress
Play a supporting role in protection to driving chip；Meanwhile when the display device that display module is assembled into is fallen in complete machine, support knot
Structure may produce friction between the other structures in the back side of display panel or display device, and first supports in the present invention
Structure produces stress using material softer material when being contacted with the other structures in the back side of display panel or display device
It is small that the structure in display device will not be caused to damage, effect when display device complete machine is fallen, display device has been effectively ensured
Stability is good.
The concrete condition of this kind of embodiment will be illustrated below.
Figure 12 is another optional embodiment schematic diagram of display module provided in an embodiment of the present invention, such as Figure 12 institutes
Show, when being in bending state with flexible PCB 102, driving chip 103 is located at flexible PCB 102 close to display panel 101
The situation of side is illustrated.Supporting structure includes the first supporting part 1041 and the second supporting part 1042, the first supporting part
1041 surfaces away from flexible PCB are first surface M4, and distances of the first surface M4 away from flexible PCB is the first distance
D4, the second surface of the supporting part 1042 away from flexible PCB are second surface M5, second surface M5 away from flexible PCB away from
From for second distance d5, the first distance d4 is more than second distance d5, and second distance d5 is more than the height d2 of driving chip.Such as figure
Shown in 12, the first supporting part 1041 is disposed adjacent with the second supporting part 1042, the first supporting part 1041 and the second supporting part 1042
It can also be spaced a distance, the first supporting part 1041 is shown in Fig.12 positioned at the second supporting part 1042 away from the drive
The side of dynamic chip 103, the first supporting part 1041 can also be located at the second supporting part 1042 close to the one of the driving chip 103
Side.Figure 12 shows a case that to set supporting structure, it is necessary to explanation, the first supporting part in the opposite both sides of driving chip
1041 and second the schematic top plan view of supporting structure that collectively constitutes of supporting part 1042 may be referred to shown in Fig. 8 to Figure 11, still
It is also not necessarily limited to above-mentioned several embodiments.
Figure 13 is another optional embodiment schematic diagram of display module provided in an embodiment of the present invention, such as Figure 13 institutes
Show, when being in bending state with flexible PCB 102, driving chip 103 is located at flexible PCB 102 close to display panel 101
The situation of side is illustrated.Supporting structure includes the first supporting part 1041 and the second supporting part 1042, the first supporting part
1041 surfaces away from flexible PCB 102 are first surface M4, and distances of the first surface M4 away from flexible PCB 102 is first
Distance d4, the second surface of the supporting part 1042 away from flexible PCB 102 are second surface M5, and second surface M5 is away from flexible circuit
The distance of plate 102 is second distance d5, and the first distance d4 is more than second distance d5, and second distance d5 is more than the height of driving chip
Spend d2.Figure 14 is a kind of local optional embodiment schematic top plan view for the display module that Figure 13 is provided, and Figure 14 illustrate only
Supporting structure, flexible PCB 102 and driving chip 103, the second supporting part 1042 surround the first supporting part 1041.Need to illustrate
, the schematic top plan view for the supporting structure that the first supporting part 1041 and the second supporting part 1042 collectively constitute may be referred to Fig. 9
Shown in Figure 11, but it is also not necessarily limited to above-mentioned several embodiments.
In fig. 13, the first supporting part 1041 is in contact with the surface of flexible PCB 102, optionally, the first supporting part
1041 can also be as shown in figure 15 with the relation of the second supporting part 1042, and Figure 15 is in display module provided in an embodiment of the present invention
Another optional embodiment schematic cross-section of supporting structure, supporting structure as shown in figure 15 can be in the second supporting part
Groove has been done on 1042 surface, and then the first supporting part 1041 is produced in groove, and protrudes the notch of groove in height,
First surface of the supporting part 1041 away from flexible PCB 102 is first surface M4, and first surface M4 is away from flexible PCB 102
Distance is the first distance d4, and the second surface of the supporting part 1042 away from flexible PCB 102 is second surface M5, second surface M5
Distance away from flexible PCB 102 is more than second distance d5 for second distance d5, the first distance d4.
Further, display module provided by the invention also solves the problem of driving chip heat dissipation.Driving chip is when long
Between can produce substantial amounts of heat under working status, if heat cannot distribute in time, it is likely that cause driving chip for a long time
High temperature damages, and influences display module service life.The present invention provides multiple technologies scheme to solve driving chip heat dissipation problem.
In some optional embodiments, the making material of supporting structure in display module provided in an embodiment of the present invention
Heat Conduction Material is further included, which is suitable for any one display module described in above-described embodiment, and supporting structure is realized
Support defencive function to driving chip, prevents display module from bearing external force and causing driving chip to fracture or even rupture, meanwhile, branch
The making material of support structure further includes Heat Conduction Material, when driving chip is working long hours lower generation amount of heat, support knot
Heat Conduction Material in structure can conduct heat rapidly, help driving chip timely to radiate, such as can conduct heat to aobvious
Show on the compound adhesive tape of back side of panel, then realize the planar conductive of heat, having in time to driving chip is realized in rapid heat dissipation
The cooling of effect, avoids driving chip long-time hot operation and damages.
Optionally, Heat Conduction Material can be the strong materials of the capacity of heat transmission such as graphite, graphene, copper, silver or alumina particles.Can
With by the particle of the Heat Conduction Material such as doped graphite, graphene, copper, silver or alumina particles in supporting structure manufacturing process, these
Material conducts heat ability is strong, can quickly conduct heat and realize timely and effectively distributing for driving chip heat, ensure driving chip
Performance.
In some optional embodiments, display module provided in an embodiment of the present invention can in driving chip and/or
The surface of supporting structure is coated with heat-conducting glue.The embodiment can be adapted for any one display mould described in above-described embodiment
Group, supporting structure realize the support defencive function to driving chip, prevent display module from bearing external force and causing driving chip to fracture
Even rupture, meanwhile, the lower generation amount of heat once driving chip works long hours, heat can pass through driving chip surface
And/or the heat-conducting glue on the surface of supporting structure conducts, such as the compound adhesive at the display panel back side can be conducted heat to
Take, then realize the planar conductive of heat, and heat-conducting glue is coated with the surface of driving chip and/or supporting structure, increase
Big heat dissipation area, the embodiment can realize the fast and effectively cooling to driving chip, avoid driving chip for a long time
Hot operation and damage.
Further, the present invention also provides a kind of display device, including any one display provided in an embodiment of the present invention
Module.Figure 16 is a kind of optional embodiment schematic diagram of display device provided in an embodiment of the present invention.It is provided by the invention aobvious
Driving chip, is fixed on flexible PCB in display module, flexible PCB is bundled in the binding of display panel by showing device
Qu Shang, the back side after bending by driving chip as display panel, is not provided with driving chip in display module lower frame position, subtracts
Lack to lower frame the space occupied, narrowed lower frame, meanwhile, supporting structure is set on flexible PCB in the present invention,
Supporting structure is located at the homonymy of flexible PCB with driving chip, and the height of supporting structure is more than the height of driving chip, when aobvious
When showing that module bears external pressure, supporting structure can play the role of driving chip support protection, when display module assembles
Into after display device, when the front or the back side of display device meet with stresses, supporting structure supports driving chip in height, protects
Card driving chip is not extruded, and is reduced driving chip and is deformed or even fractures the risk of rupture, display provided by the invention
Module, can be suitable for the frame that narrows, while the performance reliability that protection improves display module is carried out to driving chip.
By above-described embodiment, display module and display device of the invention, have reached following beneficial effect：
Display module and display device provided by the invention, driving chip are fixed on flexible PCB, flexible circuit
Plate is bundled in the binding area of display panel, the back side after bending by driving chip as display panel, following in display module
Frame position is not provided with driving chip, reduces to lower frame the space occupied, and narrowed lower frame, meanwhile, soft in the present invention
Property circuit board on supporting structure is set, supporting structure is located at the homonymy of flexible PCB, the height of supporting structure with driving chip
More than the height of driving chip, when display module bears external pressure, supporting structure can play driving chip support and protect
The effect of shield, after display module is assembled into display device, when the front or the back side of display device meet with stresses, supporting structure
Support driving chip in height, ensure that driving chip is not extruded, reduce driving chip and be deformed or even fracture rupture
Risk, display module provided by the invention, can be suitable for narrowing frame, at the same driving chip is carried out protection improve it is aobvious
Show the performance reliability of module.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel it should be understood that example above merely to illustrating, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel are it should be understood that without departing from the scope and spirit of the present invention can modify above example.This hair
Bright scope is defined by the following claims.
Claims (14)
- A kind of 1. display module, it is characterised in that including：Display panel, including viewing area and the non-display area for surrounding the viewing area, the non-display area include binding area；Flexible PCB, is bundled in the binding area, and the flexible PCB can bend the back of the body for being placed on the display panel Face, is fixed with driving chip and supporting structure on the flexible PCB, the driving chip and the supporting structure are located at institute The same side of flexible PCB is stated, when the flexible PCB is in bending state, perpendicular to the display panel plate face On direction, the height of the supporting structure is more than the height of the driving chip.
- 2. display module according to claim 1, it is characterised in thatThe height of the supporting structure is bigger 0.05~0.3mm than the height of the driving chip.
- 3. display module according to claim 1, it is characterised in thatThe long side of the driving chip extends in a first direction, and the short side of the driving chip extends in a second direction, and described One direction is vertical with the second direction,The first direction and/or opposite both sides along in the second direction are provided with the support in the driving chip Structure.
- 4. display module according to claim 3, it is characterised in thatThe supporting structure is " mouth " font, " door " font or diagonal in the orthographic projection of the plane where the flexible PCB Shape.
- 5. display module according to claim 3, it is characterised in thatThe making material of the supporting structure is rubber type of material or plastic materials.
- 6. display module according to claim 5, it is characterised in that the making material of the supporting structure further includes heat conduction Material.
- 7. display module according to claim 6, it is characterised in thatThe Heat Conduction Material is graphite, graphene, copper, silver or alumina particles.
- 8. display module according to claim 5, it is characterised in thatThe supporting structure includes the first supporting part and the second supporting part,The surface of first supporting part away from the flexible PCB is first surface, and the first surface is away from the flexible electrical The distance of road plate is the first distance, and the surface of second supporting part away from the flexible PCB is second surface, described Distance of two surfaces away from the flexible PCB is second distance, and first distance is more than the second distance, and described the Two distances are more than the height of the driving chip；Wherein, the making material of first supporting part is the first making material, and the making material of second supporting part is the Two making materials, the hardness of first making material are less than the hardness of second making material.
- 9. display module according to claim 8, it is characterised in thatFirst supporting part is disposed adjacent with second supporting part, or second supporting part surrounds first support Portion.
- 10. display module according to claim 1, it is characterised in thatThe surface of the driving chip and/or the supporting structure is coated with heat-conducting glue.
- 11. display module according to claim 1, it is characterised in thatThere are excessive glue area, distance of the supporting structure away from the excessive glue area it is 0.3~1mm around the driving chip.
- 12. display module according to claim 1, it is characterised in thatThe supporting structure is produced on by way of injection molding on the flexible PCB, alternatively, the supporting structure has Glue is carried, the supporting structure is fixed on the flexible PCB by carrying the attached mode of sticker.
- 13. display module according to claim 1, it is characterised in thatSurface of the supporting structure away from the flexible PCB is plane, curved surface or the surface with concaveconvex structure.
- 14. a kind of display device, it is characterised in that including claim 1 to 13 any one of them display module.
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| CN201711213681.XA CN107942563B (en) | 2017-11-28 | 2017-11-28 | Display module and display device |
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