CN110018584A - Liquid crystal display die set and electronic equipment - Google Patents
Liquid crystal display die set and electronic equipment Download PDFInfo
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- CN110018584A CN110018584A CN201910266025.9A CN201910266025A CN110018584A CN 110018584 A CN110018584 A CN 110018584A CN 201910266025 A CN201910266025 A CN 201910266025A CN 110018584 A CN110018584 A CN 110018584A
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- liquid crystal
- backlight
- crystal display
- glass substrate
- die set
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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
-
- 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
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
A kind of liquid crystal display die set and electronic equipment, liquid crystal display die set includes liquid crystal display, main FPC and backlight module, main FPC includes flexible body, main FPC circuit and backlight FPC circuit, backlight module includes barn door and backlight flexible circuit board, lower glass substrate connects barn door, main FPC circuit connection liquid crystal, there are two the first areas Lou Tong for tool in lower glass substrate, two the first areas Lou Tong are electrically connected backlight FPC circuit in the side close to liquid crystal, there are two connecting holes for the shading region tool of barn door, backlight flexible circuit board is corresponded after two connecting holes by two two-sided conducting adhesive cloths and corresponds two the first areas Lou Tong of electrical connection in the side far from liquid crystal.Above-mentioned liquid crystal display die set assembling convenience is preferable, can save the process of bending flexible circuit board and welding, and due to using two-sided conducting adhesive cloth, and it is dirty that the process reprocessed is less prone to backlight pad, can reduce material waste and loss.
Description
Technical field
This application involves technical field of liquid crystal display, more particularly to a kind of liquid crystal display die set and electronic equipment.
Background technique
Liquid crystal display die set (LCD module) includes liquid crystal display (Liquid Crystal Display, LCD), backlight
Deng.Backlight (Back light) abbreviation backlight is one of an indispensable part of liquid crystal display die set (LCD module).
Liquid crystal display, i.e. liquid crystal display are non-luminous in itself.The backlight side-emitting LED transversely arranged by array, by backlight
Light guide plate and the optical diaphragm conduction (refraction and reflection) in portion provide uniform light source afterwards, are shown by the screening of liquid crystal display
Pattern out.Liquid crystal display die set is mainly used on the products such as mobile phone, laptop, PDA, digital camera.
However, in the assembling process of existing liquid crystal display die set, the assembling process of liquid crystal display and backlight, mainly circuit
Connection procedure it is relatively complicated.The circuit of the backlight of mobile phone is frequently not to be directly linked together with liquid crystal, in structure backlight with
LCD is combined by black and white sticker, the circuit of the LED of backlight be by FPC (Flexible Printed Circuit, it is soft
Property circuit board) it extracts and is welded on the main FPC of liquid crystal.In this way, the process that tradition assembles backlight and liquid crystal is as follows: first will
Circuit on main FPC is connected on liquid crystal by different side's conducting resinl, then backlight is fixed on to the back side of liquid crystal by black and white glue,
The circuit FPC of backlight is folded into front again, finally welds the circuit of the circuit of backlight and the main FPC of liquid crystal.Tradition
Packaging technology waste many processes to connect the circuit of backlight, the degree of automation is low, needs manual operation post ratio
It is more, for example need manually to bend the flexible circuit board of backlight and guide to the main FPC of liquid crystal, and need manually to weld etc..
If backlight or liquid crystal are problematic, it is dirty that reprocessing repeatedly will lead to backlight pad, is easy failure welding, lost labor and object
Material.And more demanding assembling process is unfavorable for automated production to manual operation.
Summary of the invention
Based on this, it is necessary to provide that a kind of assembling process is more convenient and while reprocessing can reduce the liquid crystal display of loss
Mould group and electronic equipment.
A kind of liquid crystal display die set, including liquid crystal display, main FPC and backlight module, the liquid crystal display include phase
Top glass substrate, liquid crystal and the lower glass substrate of connection, the main FPC include flexible body, main FPC circuit and backlight FPC electricity
Road, the backlight module include barn door and backlight flexible circuit board, include the shading region being connected and thoroughly on the barn door
Light area, the lower glass substrate connect the barn door, liquid crystal described in the main FPC circuit connection, and the lower glass substrate is remote
There are two the first areas Lou Tong for tool in one side from the liquid crystal, and two areas first Lou Tong are electrically connected the backlight FPC
Circuit, there are two connecting hole, two connecting holes are leaked with two described first the shading region tool of the barn door respectively
Copper area corresponds, and the backlight flexible circuit board is corresponded by two two-sided conducting adhesive cloths across two connecting holes
Afterwards and correspond two areas first Lou Tong of electrical connection.
The main FPC circuit passes through liquid crystal described in Anisotropically conductive glue connection in one of the embodiments,.
Two areas first Lou Tong are aligned one by one respectively with two connecting holes in one of the embodiments,.
The area of the connecting hole is greater than the area in the area first Lou Tong in one of the embodiments,.
The shape of the connecting hole is identical as the shape in the area first Lou Tong in one of the embodiments,.
When above-mentioned liquid crystal display die set, liquid crystal display and backlight module assemble, directly pass through two-sided conducting adhesive cloth
To need by flexible circuit board to bend backlight circuit simultaneously relative to tradition by the circuit connection of backlight module to main FPC
The mode being connected on main FPC, above-mentioned liquid crystal display die set assembling convenience is preferable, can save bending flexible circuit board and weldering
The process connect, and due to using two-sided conducting adhesive cloth, it is dirty that the process reprocessed is less prone to backlight pad, can reduce object
Material waste and loss.
A kind of liquid crystal display die set, including liquid crystal display, main FPC and backlight module, the liquid crystal display include phase
Top glass substrate, liquid crystal and the lower glass substrate of connection, the main FPC include flexible body, main FPC circuit and backlight FPC electricity
Road, the backlight module include barn door and backlight flexible circuit board, include the shading region being connected and thoroughly on the barn door
Light area, the lower glass substrate connect the barn door, liquid crystal described in the main FPC circuit connection, in the lower glass substrate
The protrusion part of the relatively described top glass substrate in close to the side of liquid crystal tool there are two the first area Lou Tong, two described the
One area Lou Tong is located at two lateral locations of the top glass substrate；Two areas first Lou Tong are electrically connected institute
State backlight FPC circuit；There are two leakage copper protrusions, two leakage copper protrusions to be located at described for setting on the backlight flexible circuit board
The two sides of lower glass substrate, and each leakage copper protrusion corresponds neighbouring each area first Lou Tong；Each leakage copper protrusion
It corresponds respectively and is electrically connected each area first Lou Tong.
Each leakage copper protrusion corresponds respectively in one of the embodiments, is electrically connected each described the by silver paste line
One area Lou Tong.
The leakage copper protrusion protrudes from the lower glass substrate close to the one of the liquid crystal in one of the embodiments,
Face.
There are two the second area Lou Tong, each second leakages for the backlight flexible circuit board tool in one of the embodiments,
Copper area, which is corresponded, is electrically connected each leakage copper protrusion by silver paste line.
In one of the embodiments, the backlight module include barn door, upper brightening piece, lower brightening piece, lower diffuser plate,
Light guide plate, reflector plate, glue frame and backlight flexible circuit board, the barn door, upper brightening piece, lower brightening piece, lower diffuser plate, leaded light
Plate and reflector plate are linked in sequence, and the backlight flexible circuit board connects the glue frame, and the reflector plate connects the glue frame, and institute
State light guide plate to be placed in the glue frame, be provided with several LED lamp beads on the backlight flexible circuit board, several LED lamp beads with
Light guide plate is concordant, and the light direction of LED lamp bead is towards the light guide plate.
When above-mentioned liquid crystal display die set, liquid crystal display and backlight module assemble, copper directly can will be leaked by silver paste line
Protrusion is electrically connected with the first area Lou Tong, relative to tradition needs that backlight circuit is bent and is connected to by flexible circuit board
Mode on main FPC, above-mentioned liquid crystal display die set assembling convenience is preferable, can save the mistake of bending flexible circuit board and welding
Journey, and since each leakage copper protrusion corresponds neighbouring each area first Lou Tong, leakage copper protrusion passes through with the first area Lou Tong
The electrical connection of silver paste line is more convenient, and it is dirty that the process reprocessed is less prone to backlight pad, can reduce material waste and loss.
The application also provides a kind of electronic equipment, including the liquid crystal display die set in any embodiment as above.
Detailed description of the invention
Fig. 1 is the schematic diagram of the liquid crystal display die set of an embodiment；
Fig. 2 is the schematic diagram of the liquid crystal display die set of another embodiment.
Specific embodiment
The application in order to facilitate understanding, in order to make the above objects, features, and advantages of the present application more apparent, under
Face is described in detail in conjunction with specific embodiment of the attached drawing to the application.It is explained in the following description many details
In order to fully understand the application, the better embodiment of the application is given in attached drawing.But the application can be with many not
With form realize, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making
Disclosure of this application is understood more thorough and comprehensive.The application can be to be much different from other way described herein
Implement, those skilled in the art can do similar improvement without prejudice to the application intension, therefore the application not by
The limitation of following public specific embodiment.In addition, term " first ", " second " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In the description of the present application, the meaning of " plurality " is
At least two, such as two, three etc., unless otherwise specifically defined.In the description of the present application, the meaning of " several "
It is at least one, such as one, two etc., unless otherwise specifically defined.It should be noted that when element is referred to as
" being fixed on " another element, it can directly on the other element or there may also be elements placed in the middle.When a member
Part is considered as " connection " another element, it can be directly to another element or may be simultaneously present member placed in the middle
Part.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement simply to illustrate that mesh
, it is not meant to be the only embodiment.Unless otherwise defined, all technical and scientific terms used herein and category
It is identical in the normally understood meaning of those skilled in the art of the application.Term used herein is intended merely to describe
The purpose of specific embodiment, it is not intended that in limitation the application.Term " and or " used herein includes one or more
Any and all combinations of a relevant listed item.
In one embodiment, referring to Fig. 1, a kind of liquid crystal display die set, including liquid crystal display 110, main FPC and backlight mould
Group 120, the liquid crystal display 110 includes top glass substrate 111, liquid crystal 112 and the lower glass substrate 113 being connected, described
Main FPC includes flexible body, main FPC circuit and backlight FPC circuit, and the backlight module 120 includes that barn door 121 and backlight are soft
Property circuit board 122, include that the transparent area 1211 being connected and shading region 1212, transparent area 1211 are used on the barn door 121
Pass through convenient for the light of backlight, barrier effect is played to light in shading region 1212.The lower glass substrate 113 connects the shading
Plate 121.Specifically, the barn door includes diffusion sheet and the hollow shading glue film being arranged on diffusion sheet, the hollow
Shading glue film covers the diffusion sheet to form the transparent area and the shading region close to the one side of the lower glass substrate, thoroughly
It is located at the hollow part of hollow shading glue film on light area, that is, diffusion sheet, shading region is located on the diffusion sheet by shading glue
The part that layer blocks.For example, the hollow shading glue film has hollow structure, and in other words, " " font structure, for another example,
Hollow shading glue film is " " font shading glue film, is formed by curing to be coated on diffusion sheet using shading glue.The master
Liquid crystal 112 described in FPC circuit connection, for example, main FPC circuit passes through liquid crystal 112 described in different side's conduction glue connection.For example, main FPC
Circuit is connected on the predeterminated position of one side of the lower glass substrate close to the liquid crystal by different side's conducting resinl and connects liquid
It is brilliant.There are two the first areas Lou Tong 1131 for tool in one side of the lower glass substrate 113 far from the liquid crystal 112, need to illustrate
It is that the area Lou Tong is that copper is used to be formed with conduction region in lower glass substrate.Two areas first Lou Tong 1131 are electrically connected respectively
The backlight FPC circuit is connect, there are two connecting hole 1212a, two companies for the tool of the shading region 1212 of the barn door 121
It meets hole 1212a to correspond with two areas first Lou Tong 1131 respectively, the backlight flexible circuit board 122 is double by two
Face conducting adhesive cloth corresponds after two connecting hole 1212a and corresponds two areas first Lou Tong of electrical connection
1131, that is, every one first area Lou Tong is electrically connected backlight FPC circuit, and for another example, the backlight flexible circuit board 122 is double by two
Face conducting adhesive cloth corresponds two areas first Lou Tong 1131 of electrical connection, and each two-sided conducting adhesive cloth is corresponded and worn
Cross a connecting hole.For another example, the positive and negative anodes of the backlight flexible circuit board 122 are electrically connected by two two-sided conducting adhesive cloth one-to-one correspondence
Meet two areas first Lou Tong 1131.In this way, above-mentioned liquid crystal display die set, liquid crystal display 110 and backlight module 120 assemble
When, it can directly be needed in the circuit connection of backlight module 120 to main FPC relative to tradition by two-sided conducting adhesive cloth
The mode that backlight circuit is bent and is connected on main FPC by flexible circuit board, above-mentioned liquid crystal display die set assemble convenience
Preferably, the process of bending flexible circuit board and welding, and the process due to reprocessing using two-sided conducting adhesive cloth can be saved
It is dirty to be less prone to backlight pad, material waste and loss can be reduced.For example, two areas first Lou Tong 1131 and two
The connecting hole 121 is aligned one by one respectively.For example, the area of the connecting hole 1212a is greater than the area first Lou Tong 1131
Area.For example, the shape of the connecting hole 1212a is identical as the shape in the area first Lou Tong 1131.It so, it is possible preferably
It is convenient that the backlight FPC circuit of the backlight flexible circuit board 122 and main FPC is electrically connected by two-sided conducting adhesive cloth.
It should be noted that in the present embodiment, liquid crystal and its how with the master on different side's conduction glue connection and main FPC
The setting of FPC circuit and backlight FPC circuit, refer to the prior art.In the application, backlight module is side entrance back module.
Except the other structures of barn door and backlight flexible circuit board in backlight module, also refer to the prior art.The application is mainly pair
The main FPC of existing liquid crystal display die set and the cabling mode of the circuit of the backlight flexible circuit board in backlight module are changed
Into.
In the present embodiment, by the way that the cabling of the backlight FPC route of main FPC is introduced to liquid crystal display 110 close to backlight
The backlight FPC route of main FPC is introduced to lower glass by the first area Lou Tong 1131 of lower glass substrate by the side of mould group 120
On glass substrate 113, the backlight flexible circuit board 122 is corresponded by two two-sided conducting adhesive cloths across two connections
After the 1212a of hole and two 1131st areas the first Lou Tong of electrical connection are corresponded in the side far from the liquid crystal 112, Jin Ershi
The connection of existing backlight circuit and main FPC.It needs to bend backlight circuit by flexible circuit board relative to tradition and is connected to master
Mode on FPC, above-mentioned liquid crystal display die set assembling convenience is preferable, can save the mistake of bending flexible circuit board and welding
Journey, and due to using two-sided conducting adhesive cloth, it is dirty that the process reprocessed is less prone to backlight pad, can reduce material waste
And loss.It should be noted that access point there are two the backlight flexible circuit board tools of backlight module, respectively positive and negative access point,
It also will be understood that the be positive area Lou Tong and the area Fu Loutong, the area Zheng Loutong and the area Fu Loutong pass through a two-sided conducting adhesive cloth respectively and are electrically connected
Meet one first area Lou Tong.Certainly, how main FPC passes through Anisotropically conductive glue connection liquid crystal, can also refer to the design of the prior art.
In order to further illustrate the structure of backlight module, for example, the backlight module include barn door, upper brightening piece, lower brightening piece, under
Diffuser plate, light guide plate, reflector plate, glue frame and backlight flexible circuit board, the barn door, upper brightening piece, lower brightening piece, lower diffusion
Plate, light guide plate and reflector plate are linked in sequence, and the backlight flexible circuit board connects the glue frame, and the reflector plate connects the glue
Frame, and the light guide plate is placed in the glue frame, and several LED lamp beads, several LED are provided on the backlight flexible circuit board
Lamp bead is concordant with light guide plate, and the light direction of LED lamp bead is towards the light guide plate.Certainly, the structure of backlight module can also be with
With reference to the backlight module of other side entering types.
The application gives another embodiment, to provide main FPC and backlight to existing liquid crystal display die set
The cabling mode of the circuit of backlight flexible circuit board in mould group improves again.
In one embodiment, referring to Fig. 2, a kind of liquid crystal display die set, including liquid crystal display 110, main FPC and backlight mould
Group 120, the liquid crystal display 110 includes top glass substrate 111, liquid crystal 120 and the lower glass substrate 113 being connected, described
One side of lower glass substrate 113 protrudes from the top glass substrate 111, the protrusion part in the lower glass substrate 113
There are two the first areas Lou Tong 1131 for tool, it should be noted that the area Lou Tong is that copper is used to be formed with conduction in lower glass substrate
Area.Two areas first Lou Tong 1131 are located at two lateral locations of the top glass substrate 110；The main FPC
Including flexible body, main FPC circuit and backlight FPC circuit, the lower glass substrate 113 connects the barn door 121, the master
Liquid crystal 120 described in FPC circuit connection, two areas first Lou Tong 1131 are electrically connected the backlight FPC circuit；The back
Optical mode group 120 includes barn door 121 and backlight flexible circuit board 122, includes the transparent area being connected on the barn door 121
1211 and shading region 1212, the backlight flexible circuit board 122 is located at 1212 lower section of shading region of the barn door 121.Specifically
, the barn door includes diffusion sheet and the hollow shading glue film being arranged on diffusion sheet, and the hollow shading glue film will
The diffusion sheet covers to form the transparent area and the shading region close to the one side of the lower glass substrate, and transparent area is spread
On piece is located at the hollow part of hollow shading glue film, and shading region is located at the portion blocked on the diffusion sheet by shading glue film
Point.For example, the hollow shading glue film has hollow structure, and in other words, " " font structure, for another example, hollow shading
Glue-line is " " font shading glue film, is formed by curing to be coated on diffusion sheet using shading glue.For another example, the backlight is flexible
Circuit board 122 is located at below the diffusion sheet, specifically, the backlight flexible circuit board 122 is located at by shading glue shield portions
The diffusion sheet lower section.There are two leak copper protrusion 1221, two leakage copper for setting on the backlight flexible circuit board 122
Protrusion 1221 is located at the two sides of the lower glass substrate 113, it is understood that is the both ends difference of the backlight flexible circuit board
The lower glass substrate is protruded from, and two leakage copper protrusions 1221 are respectively arranged at the protrusion of backlight flexible circuit board
On.For example, two leakage copper protrusions 1221 are located at protrude part two of the lower glass substrate relative to top glass substrate
Side, for example, the both ends of the backlight flexible circuit board protrude from the protrusion department of the lower glass substrate respectively, and described in two
Leakage copper protrusion 1221 is respectively arranged on the protrusion of backlight flexible circuit board.Each leakage copper protrusion 1221 corresponds adjacent
Nearly each area first Lou Tong 1131；Each leakage copper protrusion 1221 corresponds each area first Lou Tong of electrical connection respectively
1131.In this way, leakage copper protrusion is electrically connected with the first area Lou Tong in this way, facilitating, for example, being electrically connected by silver paste line.This implementation
In example, by the way that the circuit of main FPC to be led to the front of liquid crystal display, i.e. display surface, specifically, due to the one of lower glass substrate
A side protrudes from top glass substrate, and therefore, lower glass substrate protrudes part in close to liquid crystal relative to top glass substrate
Side can also regard the front of liquid crystal display as.It should be noted that the front of liquid crystal display is opposite, liquid with the back side
Crystal display screen is the back side close to the one side of backlight, and one side of the liquid crystal display far from backlight is the back side.Then by backlight mould
Group with after liquid crystal display patch after, being electrically connected for backlight circuit and main FPC can be realized by silver paste line.In this way, above-mentioned liquid
When brilliant display module, liquid crystal display 110 and backlight module 120 assemble, copper protrusion 1221 directly can will be leaked by silver paste line
It is electrically connected with the first area Lou Tong 1131, relative to tradition needs that backlight circuit is bent and is connected to by flexible circuit board
Mode on main FPC, above-mentioned liquid crystal display die set assembling convenience is preferable, can save the mistake of bending flexible circuit board and welding
Journey, and since each leakage copper protrusion 1221 corresponds neighbouring each area first Lou Tong 1131, leakage copper protrusion and the first leakage
Copper area is more convenient by the electrical connection of silver paste line, and it is dirty that the process reprocessed is less prone to backlight pad, can reduce material wave
Take and is lost.
It should be noted that in the present embodiment, by the way that the backlight FPC circuit part of main FPC is introduced to liquid crystal display
110 front, i.e., in the first area Lou Tong 1131 of top glass substrate 111, then by the backlight flexible circuit board of backlight module 120
122 both ends protrusion, and the copper protrusion 1221 of setting leakage on it, so that two leakage copper protrusions 1221 are located at the lower glass
The two sides of substrate 131, in this way, leakage copper protrusion 1221 is more convenient with being electrically connected for the first area Lou Tong 1131.Preferably, leakage copper is convex
Play 1221 one side not less than lower glass substrate 131 close to liquid crystal 112.In this way, facilitating the electricity of leakage copper protrusion and the first area Lou Tong
Connection.For example, each leakage copper protrusion corresponds respectively is electrically connected each area first Lou Tong by silver paste line.For another example, institute
It states leakage copper protrusion and protrudes from the lower glass substrate close to the one side of the liquid crystal.
It should be noted that the backlight flexible circuit board in the application makes on the basis of traditional backlight flexible circuit board
The two sides of backlight flexible circuit board are elongated, and the copper protrusion 1221 of setting leakage on it, and then facilitate the electricity of backlight circuit Yu main FPC
Connection.After copper protrusion 1221 is leaked in setting, for the ease of former leakage copper protrusion 1221 and the LED of backlight flexible circuit board are driven
Circuit connection, for example, there are two the second area Lou Tong, each areas second Lou Tong for the LED drive circuit tool of backlight flexible circuit board
It corresponds and each leakage copper protrusion is electrically connected by silver paste line.
It needs to illustrate again, liquid crystal and its how by the main FPC circuit of the different main FPC of side's conduction glue connection, and
The setting of main FPC circuit and backlight FPC circuit on main FPC, refer to the prior art.In the application, backlight module enters for side
Formula backlight module.Except the other structures of barn door and backlight flexible circuit board in backlight module, also refer to the prior art.This Shen
It please be mainly the cabling side of the circuit of the backlight flexible circuit board in the main FPC and backlight module to existing liquid crystal display die set
Formula improves.For another example, the LED drive circuit of the backlight flexible circuit board of backlight module is conducted by different side's conducting resinl.Again
Such as, each circuit on main FPC is conducted also through different side's conducting resinl.Certainly, how main FPC connects the driving IC of liquid crystal, can also
With the design with reference to the prior art.In order to further illustrate the structure of backlight module, for example, the backlight module includes shading
Plate, upper brightening piece, lower brightening piece, lower diffuser plate, light guide plate, reflector plate, glue frame and backlight flexible circuit board, the barn door,
Upper brightening piece, lower brightening piece, lower diffuser plate, light guide plate and reflector plate are linked in sequence, described in the backlight flexible circuit board connection
Glue frame, the reflector plate connects the glue frame, and the light guide plate is placed in the glue frame, on the backlight flexible circuit board
Several LED lamp beads are provided with, several LED lamp beads are concordant with light guide plate, and the light direction of LED lamp bead is towards the light guide plate.
Certainly, the structure of backlight module can also refer to the backlight module of other side entering types.
When above-mentioned liquid crystal display die set, liquid crystal display 110 and backlight module 120 assemble, directly pass through silver paste line
Leakage copper protrusion 1221 is electrically connected with the first area Lou Tong 1131, needs backlight circuit passing through flexible circuit relative to tradition
The mode that plate bends and is connected on main FPC, above-mentioned liquid crystal display die set assembling convenience is preferable, can save bending flexible electrical
The process of road plate and welding, and since each leakage copper protrusion 1221 corresponds neighbouring each area first Lou Tong 1131, leakage
Copper protrusion and the first area Lou Tong are more convenient by being electrically connected for silver paste line, and it is dirty that the process reprocessed is less prone to backlight pad,
Material waste and loss can be reduced.
The application also provides a kind of electronic equipment, including the liquid crystal display die set in any embodiment as above.For example, described
Electronic equipment is on the products such as mobile phone, laptop, Pad (tablet computer), digital camera.
It should be noted that backlight (Back light) abbreviation backlight, be liquid crystal display die set (LCD module) no
Can or one of scarce component.LCD (abbreviation of Liquid Crystal Display) is liquid crystal display, itself is not send out
Light.Backlight by the transversely arranged side-emitting LED of group, light guide plate and optical diaphragm conduction by inside backlight (refraction and
Reflection) uniform light source is provided afterwards, desired pattern is obtained by the screening of liquid crystal.Liquid crystal display die set is mainly used in hand
On the products such as machine, laptop, PDA, digital camera.
However, existing liquid crystal display die set, such as the liquid crystal display die set of mobile phone, backlight and LCD circuit road are often
It is not directly linked together.They are combined by black and white sticker in structure, and the circuit of backlight LED is drawn by FPC
To be welded on the main FPC of LCD.Traditional technique wastes many processes, the degree of automation to connect the circuit of backlight
It is low, need manual operation post relatively more, if backlight or LCD it is problematic repeatedly reprocess that will lead to backlight pad dirty, hold
Easy failure welding.Lost labor and material.
The present invention provides a kind of new paragon for connecting backlight power supply circuit.By modifying the path of backlight route, by backlight
LED is linked with main FPC, is changed to the connection by LCD as middle line, to realize by manually switching to Machine automated life
It produces.The driving circuit of main FPC and liquid crystal is by different side's conduction glue connection, and then the route of backlight can pass through two-sided conductive glue connection
Connect, realize: rate is reprocessed in promotion, and cost is reprocessed in reduction；Optimize industrial flow, reduces artificial post.Industrial flow after optimization
Only assemble backlight.
The first scheme of the application: 1) when design FPC, backlight circuit is guided into LCD；2) it when designing LCD, will carry on the back
Optical circuit guides to the back side of LCD, i.e., with backlight binding face；3) when backlight design that the shading region leakage two of barn door is right
The region answered, size are slightly larger than the area Lou Tong of LCD, are changed to two-sided conducting resinl, are connected to the positive and negative anodes of backlight FPC.
The second scheme of the application: 1) when design FPC, backlight circuit is guided into LCD；2) it when designing LCD, will carry on the back
Optical circuit guides to the front of LCD, that is, overlays the face FPC, inferior horn both ends；3) backlight PFC is exceeded to the area of LCD when backlight design
Then line conduction is made LCD and FPC have non-overlap area, facilitates silver paste gluing that route is connected by domain by silver paste.
The liquid crystal display die set of the application is suitable for backlight LED, including mobile phone backlight, industry control backlight, tablet computer backlight,
Television backlight etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.It should be noted that " in an embodiment ", " example of the application
Such as ", " for another example ", it is intended to the application is illustrated, rather than for limiting the application.Embodiment described above only table
The several embodiments of the application are reached, the description thereof is more specific and detailed, and but it cannot be understood as to applying for a patent
The limitation of range.It should be pointed out that for those of ordinary skill in the art, in the premise for not departing from the application design
Under, various modifications and improvements can be made, these belong to the protection scope of the application.Therefore, the protection of the application patent
Range should be determined by the appended claims.
Claims (10)
1. a kind of liquid crystal display die set, including liquid crystal display, main FPC and backlight module, the liquid crystal display includes being connected
Top glass substrate, liquid crystal and the lower glass substrate connect, the main FPC include flexible body, main FPC circuit and backlight FPC circuit,
The backlight module includes barn door and backlight flexible circuit board, includes the shading region being connected and light transmission on the barn door
Area, the lower glass substrate connect the barn door, liquid crystal described in the main FPC circuit connection, which is characterized in that the lower glass
There are two the first area Lou Tong, two areas first Lou Tong are electrically connected described tool in one side of the glass substrate far from the liquid crystal
Backlight FPC circuit, there are two connecting holes for the shading region tool of the barn door, and two connecting holes are respectively and described in two
First area Lou Tong corresponds, and the backlight flexible circuit board is corresponded by two two-sided conducting adhesive cloths across described in two
After connecting hole and correspond two areas first Lou Tong of electrical connection.
2. liquid crystal display die set according to claim 1, which is characterized in that the main FPC circuit passes through anisotropic conductive adhesive
Connect the liquid crystal.
3. liquid crystal display die set according to claim 1, which is characterized in that two areas first Lou Tong with described in two
Connecting hole is aligned one by one respectively.
4. liquid crystal display die set according to claim 3, which is characterized in that the area of the connecting hole is greater than described first
The area in the area Lou Tong.
5. liquid crystal display die set according to claim 4, which is characterized in that the shape of the connecting hole and first leakage
The shape in copper area is identical.
6. a kind of liquid crystal display die set, including liquid crystal display, main FPC and backlight module, the liquid crystal display includes being connected
Top glass substrate, liquid crystal and the lower glass substrate connect, the main FPC include flexible body, main FPC circuit and backlight FPC circuit,
The backlight module includes barn door and backlight flexible circuit board, includes the shading region being connected and light transmission on the barn door
Area, the lower glass substrate connect the barn door, liquid crystal described in the main FPC circuit connection, which is characterized in that the lower glass
One side of glass substrate protrudes from the top glass substrate, the protrusion of the relatively described top glass substrate in the lower glass substrate
In close to the side of liquid crystal tool, there are two the first areas Lou Tong, two areas first Lou Tong are located at the upper glass for part
At two lateral locations of glass substrate；Two areas first Lou Tong are electrically connected the backlight FPC circuit；The backlight is soft
Property circuit board on setting there are two leakage copper protrusions, two leakage copper protrusions to be located at the two sides of the lower glass substrate, and each institute
It states leakage copper protrusion and corresponds neighbouring each area first Lou Tong；It is each described that each leakage copper protrusion corresponds electrical connection respectively
First area Lou Tong.
7. liquid crystal display die set according to claim 6, which is characterized in that each leakage copper protrusion corresponds logical respectively
It crosses silver paste line and is electrically connected each area first Lou Tong.
8. liquid crystal display die set according to claim 7, which is characterized in that the leakage copper protrusion protrudes from the lower glass
One side of the substrate close to the liquid crystal.
9. liquid crystal display die set according to claim 6, which is characterized in that there are two for backlight flexible circuit board tool
Two areas Lou Tong, each area second Lou Tong, which is corresponded, is electrically connected each leakage copper protrusion by silver paste line.
10. a kind of electronic equipment, which is characterized in that including the liquid crystal display die set as described in any one of claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266025.9A CN110018584B (en) | 2019-04-03 | 2019-04-03 | Liquid crystal display module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266025.9A CN110018584B (en) | 2019-04-03 | 2019-04-03 | Liquid crystal display module and electronic equipment |
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| CN110018584A true CN110018584A (en) | 2019-07-16 |
| CN110018584B CN110018584B (en) | 2023-07-11 |
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| CN201910266025.9A Active CN110018584B (en) | 2019-04-03 | 2019-04-03 | Liquid crystal display module and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN110018584B (en) | 2023-07-11 |
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