CN110491320A - A kind of display module, the production method of display module and terminal device - Google Patents
A kind of display module, the production method of display module and terminal device Download PDFInfo
- Publication number
- CN110491320A CN110491320A CN201910812730.4A CN201910812730A CN110491320A CN 110491320 A CN110491320 A CN 110491320A CN 201910812730 A CN201910812730 A CN 201910812730A CN 110491320 A CN110491320 A CN 110491320A
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- Prior art keywords
- glass
- display module
- driving chip
- display
- area
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
Abstract
The present invention provides a kind of display module, the production method of display module and terminal device, display module includes: the first glass and the second glass, display circuit and driving chip are provided on the first surface of first glass, it is electrically connected between the display circuit and the driving chip, the driving chip is located at the first edge of the first surface；The first surface of second glass and first glass is stacked, and the display circuit is between the first surface and second glass, second glass corresponds to the driving chip position and offers escape groove, and the escape groove is for accommodating the driving chip.The screen accounting of display module can be improved in the embodiment of the present invention.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of display modules, the production method of display module and terminal
Equipment.
Background technique
With the rapid development of terminal device, terminal device has become essential a kind of tool in people's life,
And the various aspects for user's life are brought great convenience.It is generally required in the display module of current terminal device pre-
Stay partial region for detecting the performance of display module, i.e., there are the black surrounds of one fixed width in display module, to reduce aobvious
Show the area in mould group for display, it is seen then that the screen accounting of current display module is lower.
Summary of the invention
The embodiment of the present invention provides a kind of display module, the production method of display module and terminal device, current to solve
The lower problem of the screen accounting of display module.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, the embodiment of the invention provides a kind of display modules, comprising:
First glass is provided with display circuit and driving chip, the display electricity on the first surface of first glass
It is electrically connected between road and the driving chip, the driving chip is located at the first edge of the first surface；
The first surface of second glass, second glass and first glass is stacked, and the display circuit
Between the first surface and second glass, second glass corresponds to the driving chip position and offers evacuation
Slot, the escape groove is for accommodating the driving chip.
Second aspect, the embodiment of the present invention also provide a kind of terminal device, comprising: above-mentioned display module.
The third aspect, the embodiment of the present invention also provide a kind of production method of display module, comprising:
Plating display circuit and testing element group (Test Element Group, TEG) test point on the first substrate, obtain
To the first glass, wherein the display circuit is located in the first area of the first substrate, and the TEG test point is located at institute
It states in the second area of first substrate, the first substrate further includes third region, and the third region is located at firstth area
Between domain and the second area；
Escape groove is opened up in the second substrate, obtains the second glass；
By second glass and first bonding glass, display module semi-finished product are obtained, wherein the escape groove pair
The third region is answered to be arranged；
The second area of the display module semi-finished product is cut off, and in the third region of the display module semi-finished product
Driving chip is encapsulated, display module is obtained.
Display module provided in an embodiment of the present invention, comprising: the first glass and the second glass, the first of first glass
It is provided with display circuit and driving chip on surface, is electrically connected between the display circuit and the driving chip, the driving
Chip is located at the first edge of the first surface；The first surface of second glass and first glass is stacked,
And the display circuit, between the first surface and second glass, second glass corresponds to the driving chip
Position offers escape groove, and the escape groove is for accommodating the driving chip.In this way, due to need not setting on the first glass
TEG test point to increase the area of display area on the first glass, and then increases screen accounting.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of display module provided in an embodiment of the present invention；
Fig. 2 is the sectional schematic diagram of A-A or B-B in Fig. 1 provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of the production method of display module provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of display module semi-finished product provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, Fig. 2 is the sectional schematic diagram of A-A or B-B in Fig. 1.Referring to Fig. 1 and Fig. 2, the present invention is implemented
Example provides a kind of display module, comprising:
First glass 10 is provided with display circuit and driving chip 101 on the first surface of first glass 10, described
It is electrically connected between display circuit and the driving chip 101, the driving chip 101 is located at the first side of the first surface
Edge；
The first surface of second glass 20, second glass 20 and first glass 10 is stacked, and described aobvious
Show circuit between the first surface and second glass 20, second glass 20 corresponds to the driving chip 101
Position offers escape groove 201, and the escape groove 201 is for accommodating the driving chip 101.
The basic principle of the embodiment of the present invention may refer to following statement:
In the prior art, the individual test zone of setting is usually required in display module, such as: above-mentioned test zone can be with
For TEG test point, so as to cause the black surround for being provided with one fixed width in display module, and the black surround cannot be used for showing, therefore
Cause the screen accounting of display module lower.And in embodiments of the present invention, it can be surveyed during making display module
Examination so that finally obtained display module can not include test zone, and then improves the screen accounting of display module.Example
Such as: test zone first can be set on the semi-finished product of display module, so as to relevant parameter in display module semi-finished product
It is detected, when finally obtaining display module, above-mentioned test zone can be cut off.
Wherein, the first glass 10 can be called lower glass (LTPS), and the second glass 10 can be called glass
(ENCAP)。
In addition, can be fixedly connected by glue layer 30 between the first glass 10 and the second glass 20.Such as:
Between one glass 10 and the second glass 20, and the edge for being located at the first glass 10 can connect one end of glue layer 30, and will
The other end of glue layer 30 is connect with the edge of the second glass 20, fixes the first glass 10 and the second glass in this way, can achieve
20 effect.In addition, may also reach up sealing first by the way that glue layer 30 is arranged between the first glass 10 and the second glass 20
The effect in the gap between glass 10 and the second glass 20.
Wherein, driving chip 101 is for driving display circuit to be shown, and driving chip 101 be located at first edge can
With are as follows: driving chip 101 is overlapped close to the side of first edge, and with first edge；Alternatively, driving chip 101 is close to first
The side at edge, and there is certain interval with first edge (specific size in gap is it is not limited here).
In addition, the specific location of first edge is it is not limited here, and such as: when display module corresponds to fingerprint recognition mould group
When setting, first edge can be the middle position with fingerprint recognition mould group apart from shorter edge；When display module correspondence is taken the photograph
As head assembly is arranged, and when offering the loophole for CCD camera assembly daylighting in display module, first edge can for it is saturating
The longer one side edge of the distance of unthreaded hole.And display circuit is displayed for content, such as: be displayed for picture or
Video etc..
Wherein, it is not limited here, certainly, the shape and size of escape groove 201 can be with for the shape and size of escape groove 201
It is adapted with driving chip 101, such as: when driving chip 101 is rectangle, escape groove 201 or rectangle, and escape groove
201 size can be slightly larger than the size of driving chip 101.In addition, by the way that escape groove 201 is arranged on the second glass 20, from
And it can push up to avoid driving chip 101 onto the second glass 20, and the heat dissipation performance of driving chip 101 can be improved.
Wherein, the content for the parameter that can be tested by TEG test point it is not limited here, such as: display can be tested
The parameters such as the integrality of circuit and display brightness.
Display module provided in an embodiment of the present invention, comprising: the first glass 10 and the second glass 20, first glass 10
First surface on be provided with display circuit and driving chip 101, be electrically connected between the display circuit and the driving chip 101
It connects, the driving chip 101 is located at the first edge of the first surface；Second glass 20 and first glass 10
First surface is stacked, and the display circuit is between the first surface and second glass 20, and described second
Corresponding 101 position of driving chip of glass 20 offers escape groove 201, and the escape groove 201 is for accommodating the driving core
Piece 101.In this way, since TEG test point need not be arranged on the first glass 10, to increase display area on the first glass 10
Area, and then increase screen accounting.
Optionally, the driving chip 101 is located at the middle position of the first edge.
Wherein, the width of driving chip 101 is less than the width of the first glass 10, and driving chip 101 is located at first edge
Middle position, two end regions of first edge can be made to be displayed for.
Such as: referring to Fig. 1, driving chip 101 is located at the middle position of first edge in Fig. 1, then the first glass 10 in Fig. 1
Region (the dotted line frame region in Fig. 1) positioned at 101 two sides of driving chip is respectively the region C and the region D, the i.e. region C and the region D
Two end regions of first edge can be called, the region C and the region D are displayed for, to increase display area
Area.
In the embodiment of the present invention, since driving chip 101 is located at the middle position of first edge, in this way, first edge
Two end regions are displayed for, to increase the area of display area, that is, increase the screen accounting of entire display module.Separately
Outside, two end regions of first edge are also used as status bar, the information such as display system state, reminder announced and charged state,
The user experience is improved.Simultaneously as two end regions of first edge can be fixedly connected with the second glass 20 respectively, to increase
The strong structural strength in the region.
Optionally, the first surface includes functional area, and the functional area is used to that the driving chip 101 to be arranged,
Region on the first surface in addition to the functional area is for being arranged the display circuit.
In the embodiment of the present invention, since the region on first surface in addition to functional area is for being arranged display circuit, i.e.,
Region on first surface in addition to functional area may be incorporated for showing, to increase the face on first surface for display
Product, and then increase the screen accounting of display module.
Optionally, it is electrically connected between the driving chip 101 and the display circuit by anisotropic conductive film.
Wherein, anisotropic conductive film can be called (Anisotropic Conductive Film, ACF), when different
Property conductive adhesive film in side's is coated on first base material (the first glass 10 in such as the present embodiment) and the second substrate (in such as the present embodiment
Second glass 20) between, i.e., when anisotropic conductive film is used to be electrically connected first base material and the second substrate, anisotropic conductive film
It can only be circulated between first base material and the second substrate along vertical direction (Z-direction) with current limit, and anisotropy is led
Electric glue film has both unilateal conduction and glued fixed function.
In the embodiment of the present invention, due to being electrically connected between driving chip 101 and display circuit by anisotropic conductive film,
Reduce electric current along the circulation of driving chip 101 and the X-axis and Y direction of display circuit, is being driven to enhance electric current
Circulation effect between chip 101 and display circuit, that is, enhance the conductive effect between driving chip 101 and display circuit.
Optionally, referring to Fig. 1, the display module further includes flexible circuit board, and the first edge is provided with more companies
Wiring 102, the flexible circuit board are electrically connected by the more connecting lines 102 with first glass 10.
It, specifically can be with it should be noted that flexible circuit board is electrically connected by more connecting lines 102 with the first glass 10
Are as follows: flexible circuit board by more connecting lines 102 on the first glass 10 circuit or component be electrically connected.
Wherein, connecting line 102 can also be referred to as Bonding PAD, and functional electricity can be set on flexible circuit board
Road, wherein functional circuit can be the circuit in addition to display circuit, such as: it can be control circuit etc..
In addition, flexible circuit board can be folded relative to the first glass 10, it may be assumed that one end of flexible circuit board and first
First edge on 10 first surface of glass is electrically connected by connecting line 102, flexible when flexible circuit board is in folded state
Circuit board can be laminated with the second surface of the first glass 10.It should be noted that first surface and second surface are opposite
Two surfaces.In this way, can be set in the first glass 10 on setting display circuit, other function circuit in flexible circuit
On plate, to further increase the screen accounting of display module.
It should be noted that flexible circuit board can be that above-mentioned functional circuit is arranged in one side, or two sides is all provided with
It is equipped with above-mentioned functional circuit.
In the embodiment of the present invention, due to being also provided with flexible circuit board in first edge, and can on flexible circuit board
To be provided with functional circuit, in this way, allowing in the first glass 10 on setting display circuit, to further increase
The screen accounting of display module.
The embodiment of the present invention provides a kind of terminal device, including above-mentioned display module.
Due in the present embodiment, using the display module in above-described embodiment, therefore it is provided in an embodiment of the present invention
Terminal device has beneficial effect identical with display module in above-described embodiment.I.e. since TEG need not be arranged on the first glass
Test point to increase the area of display area on the first glass, and then increases screen accounting.
Referring to Fig. 3, the embodiment of the present invention also provides a kind of production method of display module, comprising:
Step 301, on the first substrate plating display circuit and TEG test point, obtain the first glass, wherein described aobvious
Show that circuit is located in the first area of the first substrate, the TEG test point is located in the second area of the first substrate,
The first substrate further includes third region, and the third region is between the first area and the second area；
Step 302 opens up escape groove in the second substrate, obtains the second glass；
Step 303, by second glass and first bonding glass, obtain display module semi-finished product, wherein described
Escape groove corresponds to the third region setting；
Step 304 cuts off the second areas of the display module semi-finished product, and the of the display module semi-finished product
Driving chip is encapsulated in three regions, obtains display module.
Wherein, display circuit and the plating of TEG test point sequence it is not limited here, such as: can first plating display electricity
Road, then plating TEG test point again, alternatively, can also first plating TEG test point, then plating display circuit again.
Wherein, first area, third region and second area can be set gradually, it is of course also possible to for first area and
Second area is connected, and the position vacancy being connected among first area and second area goes out one piece of white space, the white space
It can be for above-mentioned third region.
Wherein it is possible to escape groove be opened up in the second substrate using laser cutting, to obtain the second glass.Certainly,
The second area of display module semi-finished product can be cut off using laser cutting.
It should be noted that the components such as escape groove and driving chip in the embodiment of the present invention have and above-described embodiment phase
Same advantageous effects, may refer to the specific statement in last embodiment.
Such as: referring to fig. 4, Fig. 4 is the structural schematic diagram of display module semi-finished product, second in display module semi-finished product
TEG test point has can be set in region, and can be detected by above-mentioned TEG test point to display module semi-finished product, when
After display module semi-finished product detection is qualified, it can will be cut off comprising the second area of TEG test point, to obtain display mould
The structural schematic diagram of group, display module may refer to Fig. 1.
In the embodiment of the present invention, since TEG test point has can be set in the second area of display module semi-finished product, to make
Display module semi-finished product can be detected by obtaining, while not include TEG test point in final display module, in this way, can
To increase the area of display circuit on the first glass, and then increase screen accounting.
Optionally, the display circuit of plating on the first substrate and TEG test point, obtain the first glass, comprising:
Plating display circuit and TEG test point on the first substrate, obtain cover board to be detected；
The TEG test point of the cover board to be detected is detected, the cover board to be detected for meeting preset standard is determined as
First glass.
Wherein, preset standard may include integrated degree and display brightness of entire display circuit etc., the tool of preset standard
Body type is it is not limited here.
In the embodiment of the present invention, the cover board to be detected for only meeting preset standard can just be confirmed as the first glass, in this way,
The yields of the first glass is improved, to improve the yields of entire display module.
Optionally, the display circuit of plating on the first substrate and TEG test point, it is described before obtaining the first glass
Method further include:
First area, second area and third region are marked on the first substrate.
In the embodiment of the present invention, first area, second area and third region are first marked on the first substrate, then in phase
The corresponding device of plating in the region answered, the appearance for the phenomenon that avoiding the occurrence of device plating to other regions, to improve
The accuracy of plating.
Optionally, the second area by the display module semi-finished product is cut off, and in the display module semi-finished product
Third region in encapsulate driving chip, after obtaining display module, the method also includes:
The plating connecting line in the first edge of the first glass of the display module, the connecting line and display electricity
Road electrical connection；
One end of flexible circuit board is electrically connected with the connecting line, the display module after obtaining dilatation.
Wherein, the statement of connecting line and flexible circuit board may refer to the specific statement in last embodiment, herein not
It repeats again.
In the embodiment of the present invention, due on the first glass can setting display circuit, other function circuit can be with
It is arranged on flexible circuit board, to further increase the screen accounting of display module.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (10)
1. a kind of display module characterized by comprising
First glass, is provided with display circuit and driving chip on the first surface of first glass, the display circuit with
It is electrically connected between the driving chip, the driving chip is located at the first edge of the first surface；
The first surface of second glass, second glass and first glass is stacked, and the display circuit is located at
Between the first surface and second glass, second glass corresponds to the driving chip position and offers escape groove,
The escape groove is for accommodating the driving chip.
2. display module according to claim 1, which is characterized in that the driving chip is located in the first edge
Between position.
3. display module according to claim 2, which is characterized in that the first surface includes functional area, the function
Can region for being arranged the driving chip, the region on the first surface in addition to the functional area is described for being arranged
Display circuit.
4. display module according to claim 1, which is characterized in that lead between the driving chip and the display circuit
Cross anisotropic conductive film electrical connection.
5. display module according to claim 1, which is characterized in that the display module further includes flexible circuit board, institute
It states first edge and is provided with more connecting lines, the flexible circuit board is electrically connected by the more connecting lines with first glass
It connects.
6. a kind of terminal device, which is characterized in that including display module of any of claims 1-5.
7. a kind of production method of display module characterized by comprising
Plating display circuit and testing element group TEG test point on the first substrate, obtain the first glass, wherein the display
Circuit is located in the first area of the first substrate, and the TEG test point is located in the second area of the first substrate, institute
Stating first substrate further includes third region, and the third region is between the first area and the second area；
Escape groove is opened up in the second substrate, obtains the second glass；
By second glass and first bonding glass, display module semi-finished product are obtained, wherein the escape groove corresponds to institute
State the setting of third region；
The second area of the display module semi-finished product is cut off, and is encapsulated in the third region of the display module semi-finished product
Driving chip obtains display module.
8. the method according to the description of claim 7 is characterized in that the display circuit of plating on the first substrate and TEG are surveyed
Pilot obtains the first glass, comprising:
Plating display circuit and TEG test point on the first substrate, obtain cover board to be detected；
The TEG test point of the cover board to be detected is detected, the cover board to be detected for meeting preset standard is determined as described
First glass.
9. the method according to the description of claim 7 is characterized in that the display circuit of plating on the first substrate and TEG are surveyed
Pilot, before obtaining the first glass, the method also includes:
First area, second area and third region are marked on the first substrate.
10. the method according to any one of claim 7-9, which is characterized in that described by the display module semi-finished product
Second area excision, and encapsulate driving chip in the third region of the display module semi-finished product, obtain display module it
Afterwards, the method also includes:
The plating connecting line in the first edge of the first glass of the display module, the connecting line and display circuit electricity
Connection；
One end of flexible circuit board is electrically connected with the connecting line, the display module after obtaining dilatation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910812730.4A CN110491320A (en) | 2019-08-29 | 2019-08-29 | A kind of display module, the production method of display module and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910812730.4A CN110491320A (en) | 2019-08-29 | 2019-08-29 | A kind of display module, the production method of display module and terminal device |
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|---|---|
| CN110491320A true CN110491320A (en) | 2019-11-22 |
Family
ID=68555345
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| CN201910812730.4A Pending CN110491320A (en) | 2019-08-29 | 2019-08-29 | A kind of display module, the production method of display module and terminal device |
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Application publication date: 20191122 |