CN106847080B - A kind of display screen module and mobile terminal - Google Patents
A kind of display screen module and mobile terminal Download PDFInfo
- Publication number
- CN106847080B CN106847080B CN201710041120.XA CN201710041120A CN106847080B CN 106847080 B CN106847080 B CN 106847080B CN 201710041120 A CN201710041120 A CN 201710041120A CN 106847080 B CN106847080 B CN 106847080B
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- CN
- China
- Prior art keywords
- circuit board
- flexible circuit
- bracket
- cooling fin
- display screen
- Prior art date
- 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
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
Abstract
The present invention provides a kind of display screen modules, comprising: display screen, flexible circuit board, bracket, luminescence unit and cooling fin, the first surface of the flexible circuit board are disposed adjacent with the first surface of the display screen；The bracket and the luminescence unit are provided on the second surface of the flexible circuit board, wherein the first surface of the flexible circuit board and the second surface of the flexible circuit board are oppositely arranged；The cooling fin, which covers the first surface of the flexible circuit board and bends to the second surface of the flexible circuit board, to be extended, and the flexible circuit board, the bracket and the luminescence unit are wrapped in the space that the cooling fin is bent to form.The embodiment of the invention also provides a kind of mobile terminals.The embodiment of the present invention has the characteristic of high thermal conductivity using cooling fin, flexible circuit board, bracket and luminescence unit is wrapped in the space that cooling fin is bent to form, so as to which the even heat of flexible circuit board and luminescence unit sending sheds.
Description
Technical field
The present invention relates to display screen technical field of heat dissipation, more particularly to a kind of display screen module and mobile terminal.
Background technique
TFT (Thin Film Transistor, thin film transistor (TFT)) display screen is common display screen in mobile terminal.
LED (Light Emitting Diode, light emitting diode) is used as backlight, and when work can generate heat.When the junction temperature of LED is excessively high,
The reliability of LED is influenced, or even there is the risk burnt, in addition, the temperature that mobile terminal surface corresponds to the position of LED is higher,
Mobile terminal user touches the surface and has sense of discomfort.In addition, also having FPC (Flexible Printed at TFT display screen
Circuit, flexible circuit board), which also can be fever in work.
Especially for the mobile terminal with preposition fingerprint, LED and FPC are apart from close, two heat source superpositions, so that only
By the mode of LED and FPC self-radiating, heat dissipation effect is poor, poor user experience.
Summary of the invention
The embodiment of the invention provides a kind of display screen modules, poor with the display screen module heat dissipation effect for solving the prior art
The problem of.
The embodiment of the invention provides a kind of mobile terminals, are dissipated with solving the display screen module of mobile terminal of the prior art
The problem of thermal effect difference.
In a first aspect, providing a kind of display screen module, comprising: display screen, flexible circuit board, bracket, luminescence unit and dissipate
Backing, the first surface of the flexible circuit board are disposed adjacent with the first surface of the display screen；The flexible circuit board
The bracket and the luminescence unit are provided on second surface, wherein the first surface of the flexible circuit board with it is described soft
The second surface of property circuit board is oppositely arranged；The cooling fin covers the first surface of the flexible circuit board and to the flexibility
The second surface of circuit board, which is bent, to be extended, and the flexible circuit board, the bracket and the luminescence unit are wrapped in described dissipate
In the space that backing is bent to form.
Second aspect provides a kind of mobile terminal, including above-mentioned display screen module.
In this way, there is the characteristic of high thermal conductivity using cooling fin in the embodiment of the present invention, by flexible circuit board, branch
Frame and luminescence unit are wrapped in the space that cooling fin is bent to form, and can get biggish heat dissipation area, so as to by flexible electrical
The even heat that road plate and luminescence unit issue sheds, to reduce the temperature of flexible circuit board and luminescence unit；It is shown when by this
After display screen mould group is mounted on mobile terminal, the complete machine temperature of mobile terminal can be further decreased, promotes user experience.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the Structure explosion diagram of the display screen module of the embodiment of the present invention；
Fig. 2 is the partial structurtes enlarged diagram of the display screen module of the 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.
The embodiment of the invention discloses a kind of display screen modules.As illustrated in fig. 1 and 2, the display screen module specifically include as
Under structure: display screen 1, flexible circuit board 2, bracket 3, luminescence unit 5 and cooling fin 4.
Wherein, the first surface of flexible circuit board 2 is disposed adjacent with the first surface of display screen 1.The of flexible circuit board 2
Bracket 3 and luminescence unit 5 are provided on two surfaces.Wherein, the first surface of flexible circuit board 2 and the second of flexible circuit board 2
Surface is oppositely arranged.
Cooling fin 4, which covers the first surface of flexible circuit board 2 and bends to the second surface of flexible circuit board 2, to be extended, will
Flexible circuit board 2, bracket 3 and luminescence unit 5 are wrapped in the space that cooling fin 4 is bent to form.
Since cooling fin 4 has the characteristic of high thermal conductivity, flexible circuit board 2, bracket 3 and luminescence unit 5 are wrapped up
In the space that cooling fin 4 is bent to form, biggish heat dissipation area can get, so as to by flexible circuit board 2 and luminescence unit 5
The even heat of sending sheds, to reduce the temperature of flexible circuit board 2 and luminescence unit 5.
Preferably, which is graphite heat radiation fin.The plane thermal conductivity of graphite heat radiation fin is higher than 1000, is general
Even hundred times of several times of logical metal.Therefore, graphite heat radiation fin has excellent heat dissipation performance.It should be understood that this technology side
Case is not limited thereto, it is also an option that the material of other good heat dissipation effects.
Preferably, cooling fin 4 with a thickness of 0.03mm~0.15mm.It is furthermore preferred that cooling fin 4 with a thickness of 0.05mm.
The cooling fin 4 of the thickness range not only meets the integral thickness requirement of display screen module, can also provide preferably heat dissipation effect
Fruit.
Preferably, the first part 41 of the cooling fin 4 be arranged in flexible circuit board 2 first surface and display screen 1
Between one surface, and the first surface of the first part 41 of cooling fin 4 is contacted with the first surface of flexible circuit board 2.
It is contacted, flexible circuit board 2 can be sent out with the first surface of flexible circuit board 2 by the first part 41 of cooling fin 4
Even heat out sheds, and reduces the heat of flexible circuit board 2.
Preferably, the quantity of bracket 3 is two.Two brackets 3 are respectively positioned on the first side of the second surface of flexible circuit board 2
Edge.The second surface contact of the first surface and flexible circuit board 2 of bracket 3.Two 3 relative spacing of bracket settings, one
A bracket 3 is close to the edge on the second side of the second surface of flexible circuit board 2, and another bracket 3 is close to the second of flexible circuit board 2
The edge on the third side on surface.Wherein, the second of the second surface of flexible circuit board 2 while and when third be oppositely arranged, flexible electrical
The first of the second surface of road plate 2 while connect flexible circuit board 2 second surface second while and third side.Two brackets 3 are used
In supporting display screen 1.
The first surface of the second part 42 of cooling fin 4 is contacted with the second surface of two brackets 3 and third surface.Its
In, the first surface of bracket 3 and the third surface of bracket 3 are opposite, and the second surface of bracket 3 is bracket 3 near flexible circuit
The surface on the first side of plate 2, and the first surface of connecting bracket 3 and third surface.
It is contacted by the second part 42 of cooling fin 4 with the second surface of two brackets 3 and third surface, it can be by two branch
The even heat of the received flexible circuit board 2 of frame 3 sheds, and the heat of bracket 3 is reduced, to further decrease flexible circuit board 2
Heat.
It is furthermore preferred that the first surface of the second part 42 of cooling fin 4 and the second surface of bracket 3 and the phase on third surface
The marginal adhesion mutually contacted.Due to the position corresponding part display screen 1 of bracket 3, only in the second part 42 of cooling fin 4
First surface and bracket 3 second surface and the edge to contact with each other on third surface pass through gum, glue etc. mode
The first surface of the second part 42 of cooling fin 4 and the second surface of bracket 3 and third surface are bonded together, and other connect
The part of touching is not bonded, and not only can guarantee that cooling fin 4 is fixed to each other with bracket 3, but also can avoid gum, glue etc. to the maximum extent
Influence of the adhesives to screen display.
Preferably, luminescence unit 5 is located at the first side of two brackets 3.Wherein, the first side of bracket 3 be bracket 3 farthest away from
The side on the first side of flexible circuit board 2.
Specifically, luminescence unit 5 includes: light emitting diode 51, reflector plate 52 and light guide plate 53.The of light emitting diode 51
One surface is contacted with the second surface of flexible circuit board 2.The first surface of reflector plate 52 and the second surface of light emitting diode 51
It is disposed adjacent.The first surface of light guide plate 53 is disposed adjacent with the second surface of flexible circuit board 2.The second surface of light guide plate 53
It is contacted with the first surface of reflector plate 52.The third surface of light guide plate 53 is contacted with the third surface of light emitting diode 51.Wherein,
The first surface of light emitting diode 51 and the second surface of light emitting diode 51 are oppositely arranged.The third surface of light emitting diode 51
Be light emitting diode 51 farthest away from the surface on the first side of flexible circuit board 2, and connect light emitting diode 51 first surface and
Second surface.The first surface of reflector plate 52 and the second surface of reflector plate 52 are oppositely arranged.The first surface of light guide plate 53 with
The second surface of light guide plate 53 is oppositely arranged.The third surface of light guide plate 53 is light guide plate 53 near the of flexible circuit board 2
The surface on one side, and connect the first surface and second surface of light guide plate 53.
The first surface of the Part III 43 of cooling fin 4 is contacted with the second surface of reflector plate 52.
It is contacted by the Part III 43 of cooling fin 4 with the second surface of reflector plate 52, it can be by the received of reflector plate 52
The even heat that light emitting diode 51 generates sheds, and reduces the heat of reflector plate 52, to reduce light emitting diode 51 indirectly
Heat.
Light guide plate 53 plays the role of uniformly issuing the light that light emitting diode 51 issues, therefore, in order to avoid impurity etc.
Influence to the illumination effect of light guide plate 53, the position setting based on the above-mentioned light guide plate 53, it is furthermore preferred that cooling fin 4
The first area of the first surface of first part 41 is Nian Jie with the first area of the first surface of flexible circuit board 2, wherein heat dissipation
The first area of the first surface of the first area and flexible circuit board 2 of the first surface of the first part 41 of piece 4 is leaded light
Gum or coating glue etc. will not be arranged in the corresponding region of light guide plate 53 in region outside 53 corresponding position of plate, from
And it not only can guarantee that cooling fin 4 was fixed to each other with flexible circuit board 2, but also gum, glue etc. can be avoided to be bonded material to the maximum extent
Expect the influence to screen display.
Similarly, it is preferred that the first area of the first surface of the Part III 43 of cooling fin 4 and the second table of reflector plate 52
The first area in face is bonded, wherein the second of the first area of the first surface of the Part III 43 of cooling fin 4 and reflector plate 52
The first area on surface is the region outside 53 corresponding position of light guide plate, i.e., back will not be arranged in the corresponding region of light guide plate 53
Glue or coating glue etc. to not only can guarantee that cooling fin 4 was fixed to each other with reflector plate 52, but also can avoid carrying on the back to the maximum extent
Influence of glue, glue etc. the adhesives to screen display.
To sum up, the display screen module of the embodiment of the present invention has the characteristic of high thermal conductivity using cooling fin 4, will be soft
Property circuit board 2, bracket 3 and luminescence unit 5 are wrapped in the space that cooling fin 4 is bent to form, and with flexible circuit board 2, bracket 3
It is contacted with luminescence unit 5, can get biggish heat dissipation area, so as to the heat for issuing flexible circuit board 2 and luminescence unit 5
It uniformly sheds, to reduce the temperature of flexible circuit board 2 and luminescence unit 5, promotes user experience.
The embodiment of the invention also provides a kind of mobile terminals.The mobile terminal can be but not limited to mobile phone, plate electricity
Brain, MP3/MP4, smartwatch, Intelligent bracelet, personal digital assistant (Personal Digital Assistant, PDA), electricity
Sub- reader, vehicle-mounted computer etc..The mobile terminal includes: above-mentioned display screen module.The structure of the display screen module with it is upper
The structure for stating display screen module in embodiment is identical, and details are not described herein.The mobile terminal of the embodiment of the present invention is due to upper
The display screen module stated, therefore the excellent heat dissipation performance with above-mentioned display screen module, can further decrease mobile terminal
Complete machine temperature, promoted user experience.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of display screen module characterized by comprising display screen, flexible circuit board, bracket, luminescence unit and cooling fin,
The first surface of the flexible circuit board is disposed adjacent with the first surface of the display screen, and the of the flexible circuit board
The bracket and the luminescence unit are provided on two surfaces, wherein the first surface of the flexible circuit board and the flexibility
The second surface of circuit board is oppositely arranged；
The cooling fin covers the first surface of the flexible circuit board and prolongs to the bending of the second surface of the flexible circuit board
It stretches, the flexible circuit board, the bracket and the luminescence unit is wrapped in the space that the cooling fin is bent to form；
Wherein, the first part of the cooling fin be arranged in the flexible circuit board first surface and the display screen first
Between surface, and the first surface of the first part of the cooling fin is contacted with the first surface of the flexible circuit board；
The quantity of the bracket is two, and two brackets are respectively positioned on the first side of the second surface of the flexible circuit board
The second surface of edge, the first surface of the bracket and the flexible circuit board contacts；Two bracket relative spacings
Setting, for a bracket close to the edge on the second side of the second surface of the flexible circuit board, another bracket is close
The edge on the third side of the second surface of the flexible circuit board, wherein the second side of the second surface of the flexible circuit board
It is oppositely arranged with third side, the first side of the second surface of the flexible circuit board connects the second surface of the flexible circuit board
Second while and when third；
The first surface of the second part of the cooling fin is contacted with the second surface of two brackets and third surface,
In, the third surface of the first surface of the bracket and the bracket is opposite, the second surface of the bracket be the bracket most
Close to the surface on the first side of the flexible circuit board, and connect first surface and the third surface of the bracket.
2. display screen module according to claim 1, it is characterised in that: the first surface of the second part of the cooling fin
With the second surface of the bracket and the marginal adhesion to contact with each other on third surface.
3. display screen module according to claim 1, which is characterized in that
The luminescence unit is located at the first side of two brackets, wherein the first side of the bracket is that the bracket is farthest
The side on the first side from the flexible circuit board；
The luminescence unit includes: light emitting diode, reflector plate and light guide plate, the first surface of the light emitting diode with it is described
The second surface of flexible circuit board contacts；The first surface of the reflector plate is adjacent with the second surface of the light emitting diode to be set
It sets；The first surface of the light guide plate is disposed adjacent with the second surface of the flexible circuit board, the second table of the light guide plate
Face is contacted with the first surface of the reflector plate, and the third surface of the light guide plate connects with the third surface of the light emitting diode
Touching, wherein the first surface of the light emitting diode and the second surface of the light emitting diode are oppositely arranged, and described luminous two
The third surface of pole pipe is surface of the light emitting diode farthest away from the first side of the flexible circuit board, and connects the hair
The first surface and second surface of optical diode；The first surface of the reflector plate is opposite with the second surface of the reflector plate to be set
It sets；The first surface of the light guide plate and the second surface of the light guide plate are oppositely arranged, and the third surface of the light guide plate is
The light guide plate connects the first surface and second of the light guide plate near the surface on the first side of the flexible circuit board
Surface；
The first surface of the Part III of the cooling fin is contacted with the second surface of the reflector plate.
4. display screen module according to claim 3, it is characterised in that: the first surface of the first part of the cooling fin
First area it is Nian Jie with the first area of the first surface of the flexible circuit board, the first of the first part of the cooling fin
The first area of the first surface of the first area on surface and the flexible circuit board is outside the light guide plate corresponding position
Region.
5. display screen module according to claim 3, it is characterised in that: the first surface of the Part III of the cooling fin
First area it is Nian Jie with the first area of the second surface of the reflector plate, the first surface of the Part III of the cooling fin
First area and the first area of second surface of the reflector plate be region outside the light guide plate corresponding position.
6. display screen module according to claim 1, it is characterised in that: the cooling fin is graphite heat radiation fin.
7. display screen module according to claim 1, it is characterised in that: the cooling fin with a thickness of 0.03mm~
0.15mm。
8. a kind of mobile terminal, which is characterized in that including such as described in any item display screen modules of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041120.XA CN106847080B (en) | 2017-01-17 | 2017-01-17 | A kind of display screen module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041120.XA CN106847080B (en) | 2017-01-17 | 2017-01-17 | A kind of display screen module and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106847080A CN106847080A (en) | 2017-06-13 |
| CN106847080B true CN106847080B (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710041120.XA Active CN106847080B (en) | 2017-01-17 | 2017-01-17 | A kind of display screen module and mobile terminal |
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| CN (1) | CN106847080B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419425A (en) * | 2018-05-18 | 2018-08-17 | 李子菏 | A kind of radiator structure and portable mobile termianl |
| CN110033705B (en) * | 2019-04-29 | 2022-03-08 | 武汉天马微电子有限公司 | Display module and display device |
| CN111182775A (en) * | 2020-03-10 | 2020-05-19 | 昆山工研院新型平板显示技术中心有限公司 | Display screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203223889U (en) * | 2013-05-06 | 2013-10-02 | 上海鼎为软件技术有限公司 | Display device provided with heat conduction structure and heat conduction structure |
| CN104566023A (en) * | 2014-12-24 | 2015-04-29 | 深圳市华星光电技术有限公司 | Backlight module and display |
| CN204922685U (en) * | 2015-08-25 | 2015-12-30 | 深圳市山本光电股份有限公司 | Backlight heat radiation structure and backlight |
| CN105551391A (en) * | 2015-09-07 | 2016-05-04 | 平湖市布谷格箱包有限公司 | Advertising board installing device with heat radiation function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8416361B2 (en) * | 2011-01-12 | 2013-04-09 | Lg Electronics Inc. | Display apparatus |
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2017
- 2017-01-17 CN CN201710041120.XA patent/CN106847080B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203223889U (en) * | 2013-05-06 | 2013-10-02 | 上海鼎为软件技术有限公司 | Display device provided with heat conduction structure and heat conduction structure |
| CN104566023A (en) * | 2014-12-24 | 2015-04-29 | 深圳市华星光电技术有限公司 | Backlight module and display |
| CN204922685U (en) * | 2015-08-25 | 2015-12-30 | 深圳市山本光电股份有限公司 | Backlight heat radiation structure and backlight |
| CN105551391A (en) * | 2015-09-07 | 2016-05-04 | 平湖市布谷格箱包有限公司 | Advertising board installing device with heat radiation function |
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| CN106847080A (en) | 2017-06-13 |
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