CN107132695B - Buffering structure of mobile phone backlight module - Google Patents
Buffering structure of mobile phone backlight module Download PDFInfo
- Publication number
- CN107132695B CN107132695B CN201710475846.4A CN201710475846A CN107132695B CN 107132695 B CN107132695 B CN 107132695B CN 201710475846 A CN201710475846 A CN 201710475846A CN 107132695 B CN107132695 B CN 107132695B
- Authority
- CN
- China
- Prior art keywords
- foam
- backlight module
- reflecting film
- mobile phone
- attached
- 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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Links
- 230000003139 buffering effect Effects 0.000 title description 4
- 239000006260 foam Substances 0.000 claims abstract description 73
- 239000004814 polyurethane Substances 0.000 claims description 8
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 6
- 239000011496 polyurethane foam Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 241000463219 Epitheca Species 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 14
- 241000519995 Stachys sylvatica Species 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telephone Set Structure (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a mobile phone backlight module buffer structure, which comprises an upper shell, a lower shell and a backlight module, wherein the backlight module is positioned between the upper shell and the lower shell, the backlight module comprises a reflecting film, the reflecting film is adhered to the lower surface of the backlight module, foam is arranged between the backlight module and the lower shell, and the foam is adhered to the lower surface of the reflecting film; the foam is attached to the lower surface of the reflecting film through tension difference, the reflecting film material is not damaged, and the foam can be reworked, and the foam is attached to the reflecting film, so that the foam can absorb external deformation well, and the phenomena of water ripple, white spots, film material linkage and the like are relieved.
Description
Technical Field
The invention relates to the field of mobile phone manufacturing, in particular to a buffer structure of a mobile phone backlight module.
Background
Along with the progress of the times, the updating speed of science and technology has accelerated the step along, the progress of science and technology makes electronic products and mechanical products smaller and smaller, especially the mobile phone trade, thin, light, pleasing to the eye cell-phone is more and more popular with the user, the cell-phone manufacturer is in order to make the cell-phone thinner more portable, in recent years liquid crystal display in the cell-phone design, begin to use the no frame scheme of backlight, cost of manufacture and design thickness have been reduced, but backlight module can not get the parcel and easily damage, and backlight module's reflection film material receives preceding shell deformation influence easily, can appear phenomenon such as ripple, white spot on the cell-phone display in the complete machine test.
In order to solve the problems that the phenomena of water ripple, white spots and the like can occur on a display screen in the whole machine test of a mobile phone, a technician uses a traditional liquid crystal display (Liquid Crystal Display, LCD) to buffer a foam to attach a middle shell for relief and remedy, fig. 1 is a schematic diagram of a traditional LCD foam attaching structure, please refer to fig. 1, the traditional LCD buffer foam is attached to the middle shell below a backlight module by using a glue material, the traditional LCD buffer foam is attached to avoid a flexible circuit board (Flexible Printed Circuit, FPC) on a front shell in order to avoid the FPC, the traditional LCD buffer foam cannot be fully attached to the middle shell, when the mobile phone shell is affected by deformation, the traditional LCD buffer foam is affected by deformation to influence a reflective film material, and is extruded by a front shell of the mobile phone in an area, the FPC transfers the extrusion deformation to the reflective film material of the backlight module, and the phenomena of water ripple, white spots and the like still occur on the mobile phone display screen.
Disclosure of Invention
Aiming at the defects of the prior art, the embodiment of the invention provides the mobile phone backlight module buffer structure capable of relieving the phenomena of water ripple, white spots and the like on a mobile phone display screen.
The invention is realized by the following technical scheme: the utility model provides a cell-phone backlight unit buffer structure, includes epitheca, inferior valve and backlight unit, backlight unit is located between epitheca and the inferior valve, backlight unit includes the reflectance coating, the reflectance coating pastes and locates backlight unit's lower surface, backlight unit with be provided with the bubble cotton between the inferior valve, the bubble cotton laminate in the lower surface of reflectance coating.
Further, the foam is attached to the lower surface of the reflecting film by a tension difference.
Further, the foam molecular structure is micro-perforated.
Further, the foam is PU polyurethane foam.
Further, the thickness of the foam is 0.2-0.3 mm.
Further, the shape and the size of the foam bonding surface are the same as those of the lower surface of the reflecting film, and the foam is bonded with the lower surface of the reflecting film.
Further, the bonding surface of the foam and the reflecting film is flat.
Further, the foam is a repeatedly attachable foam.
Compared with the prior art, the embodiment of the invention has the beneficial effects that: the foam is attached to the lower surface of the reflecting film, the adhesive attaching process is omitted, the influence of adhesive attaching on the performance of the reflecting film is avoided, the processing technology is simple, the foam is attached to the lower surface of the reflecting film through tension difference, the reflecting film material is not damaged, the foam can be reworked, the foam torn from the film can be reused, the molecular structure of the foam is micro-perforated, the tension difference is attached without wrinkling and foaming, the foam is attached to the reflecting film, the external deformation can be well absorbed, and the phenomena of water ripple, white spots, film material linkage and the like are relieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a conventional LCD foam bonding structure;
fig. 2 is a schematic diagram of a foam uncovering structure of a buffer structure of a backlight module of a mobile phone according to an embodiment of the invention;
fig. 3 is a schematic diagram of a cell phone backlight module and upper and lower shell structures of a cell phone after a cell phone backlight module buffer structure provided in an embodiment of the invention is attached to foam.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Aiming at the problems that the traditional foam is attached to the middle shell of the traditional mobile phone, the traditional foam cannot be fully attached to the middle shell, the front shell of the middle shell is deformed when the FPC is kept free, the FPC contacts with the reflective film material in the backlight module, water waves, white spots and the like are caused in the whole machine test interference, and the buffer structure of the backlight module of the mobile phone is designed. Fig. 2 is a schematic diagram of a foam uncovering structure of a buffer structure of a backlight module of a mobile phone according to an embodiment of the invention; fig. 3 is a schematic diagram of a cell phone backlight module and upper and lower shell structures of a cell phone after a cell phone backlight module buffer structure provided in an embodiment of the invention is attached to foam.
Referring to fig. 2 and 3, the buffering structure of a mobile phone backlight module provided by the embodiment of the invention includes an upper shell 1, a lower shell 2 and a backlight module 3, the backlight module 3 is located between the upper shell 1 and the lower shell 2, the backlight module 3 provides a light source for a liquid crystal display, the backlight module 3 includes a reflective film 4, the reflective film 4 is attached to the lower surface of the backlight module 3, (the lower surface of the backlight module 3 is disposed upwards in fig. 2) the reflective film 4 has the main function of efficiently and non-destructively reflecting light leaking out of the bottom of the light guide plate, improving the light saturation of the liquid crystal display, foam 5 is disposed between the backlight module 3 and the lower shell 2, and the foam 5 is attached to the lower surface of the reflective film 4.
According to the invention, the foam 5 is attached to the lower surface of the reflecting film 4 of the backlight module 3, the foam 5 exists between the backlight module 3 and the FPC and is not affected by the FPC, the foam 5 absorbs the external deformation of the front shell of the mobile phone when the deformation is affected, the reflecting film material is not damaged, and the problems of water ripple, white spots and the like caused by the attachment of the traditional foam are alleviated.
Preferably, the foam 5 is attached to the lower surface of the reflecting film 4 through tension difference, the foam 5 does not need to be glued through tension difference, the influence of glue attachment on the reflecting film is avoided, and meanwhile, the foam 5 is simple in tension difference attaching process, convenient to operate and suitable for mass production.
Preferably, the foam 5 in this embodiment is PU polyurethane foam, PU polyurethane is a material with larger flexible deformation, and has strong resistance to external deformation, gradually changes in flexibility layer by layer, and when the mobile phone shell is deformed to affect the PU polyurethane foam, the PU polyurethane foam can release stress layer by layer, so as to play a good role in buffering, and the PU polyurethane foam is nontoxic and nonirritating, and is safe and convenient to operate when being attached to the reflective film 4 of the mobile phone backlight module 3.
Preferably, the foam 5 has micro-holes with molecular structures, so that a small amount of air is easily discharged, the micro-holes with molecular structures of the foam are mutually communicated, external deformation can be absorbed, water waves and white spots caused by the influence of vibration on the reflecting film 4 of the backlight module can be relieved when the mobile phone is vibrated, and meanwhile, the film material linkage phenomenon caused by pressing the surface of a Touch screen (Touch Pad, TP) can be relieved.
Preferably, the thickness of the foam 5 is 0.2-0.3 mm, the clearance design space between the conventional backlight module and the lower shell of the mobile phone is limited in the whole structure design of the mobile phone, and is about 0.2-0.3 mm, the thickness of the foam 5 attached to the lower surface of the reflecting film is 0.2-0.3 mm, the clearance design space between the backlight module and the lower shell of the mobile phone can be filled, and the whole mobile phone can be well damped while the reflecting film 4 is not influenced.
Preferably, the shape and size of the contact surface of the foam 5 are the same as the shape and size of the lower surface of the reflective film 4, and the foam 5 is bonded to the lower surface of the reflective film 4. The shape and the size of the contact surface of the foam 5 are the same as those of the lower surface of the reflecting film 4, so that the foam 5 can be guaranteed to be fully attached to the reflecting film 4 on the lower surface of the backlight module, and the buffer effect of the foam 5 can be better exerted.
Preferably, the bonding surfaces of the foam 5 and the reflective film 4 are flat, the reflective film of the foam bonding backlight module is bonded by adopting tension difference, the structure of the foam bonding surface is similar to a reduced sucker, and the bonding surfaces of the reflective film and the foam can be ensured to be flat after the foam bonding surface contacts with the smooth surface of the reflective film 4.
Preferably, the foam 5 is a foam that can be repeatedly attached, as shown in fig. 2, and in case of failure of attaching the foam, the foam can be uncovered for reattachment, thereby reducing waste of materials.
The mobile phone can not only relieve the phenomena of water ripple, white spots and the like on the display screen of the mobile phone, but also relieve the membrane material linkage phenomenon when the mobile phone TP is wiped or pressed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. The utility model provides a cell-phone backlight unit buffer structure, includes epitheca, inferior valve and backlight unit, backlight unit is located between epitheca and the inferior valve, backlight unit includes the reflectance coating, the reflectance coating pastes locates backlight unit's lower surface, its characterized in that: foam is arranged between the backlight module and the lower shell, the foam is attached to the lower surface of the reflecting film, and the foam exists between the backlight module and the FPC;
the foam is attached to the lower surface of the reflecting film through tension difference;
the foam molecular structure is micro-perforated;
the thickness of the foam is 0.2-0.3 mm;
the foam is repeatedly attached;
the shape and the size of the foam bonding surface are the same as those of the lower surface of the reflecting film, and the foam is bonded with the lower surface of the reflecting film.
2. The buffer structure of a backlight module of a mobile phone according to claim 1, wherein: the foam is PU polyurethane foam.
3. The buffer structure of a backlight module of a mobile phone according to claim 1, wherein: and the bonding surface of the foam and the reflecting film is smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475846.4A CN107132695B (en) | 2017-06-21 | 2017-06-21 | Buffering structure of mobile phone backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475846.4A CN107132695B (en) | 2017-06-21 | 2017-06-21 | Buffering structure of mobile phone backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107132695A CN107132695A (en) | 2017-09-05 |
| CN107132695B true CN107132695B (en) | 2023-12-26 |
Family
ID=59735650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710475846.4A Active CN107132695B (en) | 2017-06-21 | 2017-06-21 | Buffering structure of mobile phone backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107132695B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873440A (en) * | 2018-08-29 | 2018-11-23 | 努比亚技术有限公司 | A kind of protection structure of LCD display module |
| CN115058041B (en) * | 2022-07-20 | 2023-04-18 | 湖北祥源高新科技有限公司 | Double-sided self-adsorption reworkable polyurethane foam and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204516282U (en) * | 2015-03-05 | 2015-07-29 | 锤子软件（北京）有限公司 | A kind of electronic equipment and display screen reflecting piece assembly thereof |
| CN204853144U (en) * | 2015-08-07 | 2015-12-09 | Tcl显示科技（惠州）有限公司 | Subassembly, display module assembly and mobile terminal are shaded |
| CN204989692U (en) * | 2015-09-07 | 2016-01-20 | 厦门鑫嘉捷电子科技有限公司 | LCD screen buffer foam |
| CN205507302U (en) * | 2016-02-29 | 2016-08-24 | 维沃移动通信有限公司 | Backlight module and display device |
| CN205594265U (en) * | 2016-05-11 | 2016-09-21 | 合肥鑫晟光电科技有限公司 | Backlight module and display device |
| CN106678613A (en) * | 2016-11-17 | 2017-05-17 | 深圳市捷智天成科技有限公司 | Light filter film for filtering blue light and backlight module |
| CN106813164A (en) * | 2017-04-01 | 2017-06-09 | 京东方科技集团股份有限公司 | Backing structure and display device |
| CN207123686U (en) * | 2017-06-21 | 2018-03-20 | 深圳市泰衡诺科技有限公司 | Mobile phone backlight module buffer structure |
-
2017
- 2017-06-21 CN CN201710475846.4A patent/CN107132695B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204516282U (en) * | 2015-03-05 | 2015-07-29 | 锤子软件（北京）有限公司 | A kind of electronic equipment and display screen reflecting piece assembly thereof |
| CN204853144U (en) * | 2015-08-07 | 2015-12-09 | Tcl显示科技（惠州）有限公司 | Subassembly, display module assembly and mobile terminal are shaded |
| CN204989692U (en) * | 2015-09-07 | 2016-01-20 | 厦门鑫嘉捷电子科技有限公司 | LCD screen buffer foam |
| CN205507302U (en) * | 2016-02-29 | 2016-08-24 | 维沃移动通信有限公司 | Backlight module and display device |
| CN205594265U (en) * | 2016-05-11 | 2016-09-21 | 合肥鑫晟光电科技有限公司 | Backlight module and display device |
| CN106678613A (en) * | 2016-11-17 | 2017-05-17 | 深圳市捷智天成科技有限公司 | Light filter film for filtering blue light and backlight module |
| CN106813164A (en) * | 2017-04-01 | 2017-06-09 | 京东方科技集团股份有限公司 | Backing structure and display device |
| CN207123686U (en) * | 2017-06-21 | 2018-03-20 | 深圳市泰衡诺科技有限公司 | Mobile phone backlight module buffer structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107132695A (en) | 2017-09-05 |
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