CN105430123A - Display module and mobile terminal with display module - Google Patents
Display module and mobile terminal with display module Download PDFInfo
- Publication number
- CN105430123A CN105430123A CN201510711955.2A CN201510711955A CN105430123A CN 105430123 A CN105430123 A CN 105430123A CN 201510711955 A CN201510711955 A CN 201510711955A CN 105430123 A CN105430123 A CN 105430123A
- Authority
- CN
- China
- Prior art keywords
- display screen
- power supply
- display module
- flexible pcb
- supply mainboard
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention provides a display module. The display module comprises a display screen, a cover plate, a power supply mainboard, and a flexible circuit board, the cover plate is attached to the upper surface of the display screen, the power supply mainboard is arranged under the display screen, the flexible circuit board is connected with the display screen and the power supply mainboard so that the power supply mainboard provides signals to the display screen via the flexible circuit board, the flexible circuit board comprises a grounding terminal, and the grounding terminal has a predetermined width capable of complete release of external static electricity. The invention also provides a mobile terminal with the display module. According to the display module the mobile terminal, the width of the grounding terminal of the flexible circuit board is increased so that the static electricity entered from an opening hole of the cover plate is fully released via the grounding terminal of the flexible circuit board, the switch-on of the static electricity to a signal routing terminal and the power supply mainboard is prevented, interferences and damage to the signal routing terminal of the flexible circuit board and the power supply mainboard are avoided, and the antistatic performance of the display module is enhanced.
Description
Technical field
The invention belongs to Display Technique field, particularly, relate to a kind of can antistatic display module and there is the mobile terminal of this display module.
Background technology
Touch-screen, as a kind of brand-new input equipment, because it is quick and easy, human-computer interaction is good, obtains and pays close attention to more and more widely.According to the difference of know-why, touch-screen can be divided into resistive touch screen and capacitive touch screen, but resistive touch screen is limited to multiple point touching to be controlled, and therefore more energy concentrates in the research of capacitive touch screen by a lot of production firm.
Electrostatic is a kind of natural phenomena of objective reality, and the mode of generation is multiple, as contact, friction, appliance chamber induction etc.The feature of electrostatic be long time integration, high voltage, low electricity, small area analysis and action time short feature.For capacitive touch screen, once there be electrostatic to produce, the operation stability of capacitive touch screen reduces rapidly, and time serious, electrostatic even can damage capacitive touch screen.
At present, the mobile terminal such as mobile phone adopts capacitive touch screen mostly.Mobile phone when shipment all mandatory requirement meet the dependence test of esd immunity (ESD).In part Cell Phone Design, usually adopt the mode of flexible PCB (FPC) to carry out the assembling of capacitive touch screen, and FPC rigging position is near receiver perforate.The shortcoming of this design is: when not having better release way near receiver perforate and flexible PCB, and electrostatic is directly conducting to capacitive touch screen from receiver perforate, thus interference damages capacitive touch screen etc.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the object of the present invention is to provide and a kind ofly can avoid the display module that exterior static is disturbed display screen and the mobile terminal with this display module.
According to an aspect of the present invention, provide a kind of display module, it comprises: display screen, cover plate, power supply mainboard and flexible PCB, described cover plate is fitted on the upper surface of described display screen, described power supply mainboard is arranged on the below of described display screen, described flexible PCB connects described display screen and described power supply mainboard respectively, by described flexible PCB, signal is supplied to described display screen to make described power supply mainboard, wherein, described flexible PCB comprises earth terminal, and described earth terminal has the preset width that exterior static can be made to discharge completely.
Further, described cover plate is provided with the perforate for speaking with the district that do not overlap of described display screen, and described perforate is adjacent to described display screen.
Further, described flexible PCB is fitted on the lower surface of described display screen, and the earth terminal of described flexible PCB is adjacent to described perforate.
Further, described power supply mainboard is fitted on the lower surface of described display screen, and described power supply mainboard is positioned at the side of described flexible PCB away from described perforate.
Further, described flexible PCB also comprises the signal lead end between described earth terminal and described power supply mainboard, described power supply mainboard comprises the line bonding district relative with described signal lead end, described signal lead end is connected to described line bonding district, is connected to described power supply mainboard to make described flexible PCB.
Further, described display module also comprises the foam rubber be positioned under described power supply mainboard.
Further, the preset width of described earth terminal meets formula 1 below,
[formula 1] a+b+c > d
Wherein, a is the preset width of described earth terminal, and b is described perforate near the distance of the edge of described earth terminal and described earth terminal, and c is described display screen and described cover sheet thickness sum, and d is linear discharge distance maximum under specific electrostatic grade.
Further, described display screen is Touch-control liquid crystal display screen or touch-control organic light-emitting diode (OLED) display screen.
According to a further aspect in the invention, additionally provide a kind of mobile terminal, it comprises above-mentioned display module.
Further, described mobile terminal is mobile phone or panel computer.
Beneficial effect of the present invention: display module of the present invention is by increasing the width of the earth terminal of flexible PCB, make to enter into electrostatic from the perforate of cover plate fully to be discharged by the earth terminal of flexible PCB, thus avoid electrostatic conducting to the signal lead end of flexible PCB and power supply mainboard, and then avoid and cause interference to damage to the signal lead end of flexible PCB and power supply mainboard, improve the antistatic property of display module.
Accompanying drawing explanation
The following description carried out in conjunction with the drawings, the above-mentioned and other side of embodiments of the invention, feature and advantage will become clearly, in accompanying drawing:
Fig. 1 is the partial structurtes schematic diagram of display module according to an embodiment of the invention;
Fig. 2 is the schematic diagram of mobile terminal according to an embodiment of the invention.
Embodiment
Below, embodiments of the invention are described in detail with reference to the accompanying drawings.But, the present invention can be implemented in many different forms, and the present invention should not be interpreted as being limited to the specific embodiment of setting forth here.On the contrary, provide these embodiments to be to explain principle of the present invention and practical application thereof, thus others skilled in the art can understand various embodiment of the present invention and be suitable for the various amendments of certain expected application.Identical label can be used to represent identical element in whole specification with accompanying drawing.
Fig. 1 is the partial structurtes schematic diagram of display module according to an embodiment of the invention.
With reference to Fig. 1, display module 1 comprises according to an embodiment of the invention: display screen 10, the power supply mainboard 30 being fitted in the cover plate 20 on display screen 10 upper surface and being arranged on below display screen 10.Here, display screen 10 can be have the LCDs of touch controllable function or have the organic light-emitting diode (OLED) display screen of touch controllable function.In the present embodiment, power supply mainboard 30 can be such as printed circuit board (PCB), but the present invention is not restricted to this.
In the present embodiment, mainboard 30 of powering is arranged on the lower surface of display screen 10.Certainly, as other execution modes of the present invention, power supply mainboard 30 can be oppositely arranged with the lower surface of display screen 10, but power supply mainboard 30 directly contact be arranged on the lower surface of display screen 10.
In order to provide electric energy and control signal to display screen 10, display module 1 also comprises according to an embodiment of the invention: flexible PCB 40; Wherein, flexible PCB 40 is arranged on the lower surface of display screen 10, and flexible PCB 40 is connected to display screen 10.Flexible PCB 40 comprises earth terminal 41 and is positioned at the signal lead end 42 of earth terminal 41 side.Power supply mainboard 30 has line bonding district 31; Wherein, signal lead end 42 is connected to line bonding district 31, provides electric energy and control signal to make power supply mainboard 30 by flexible PCB 40 to display screen 10.
Cover plate 20 be formed with the perforate 21 of speaking for receiver or loudspeaker (not shown) with the district that do not overlap of display screen 10; Wherein, perforate 21 is adjacent to display screen 10.The lower surface that the earth terminal 41 of flexible PCB 40 is arranged on display screen 10 is adjacent to perforate 21.Power supply mainboard 30 is arranged on the lower surface of display screen 10, and mainboard 30 of powering is positioned at the side of the away from orifice 21 of described flexible PCB 40.The signal lead end 42 of flexible PCB 40 is between earth terminal 41 and power supply mainboard 30, and mainboard 30 of namely powering is positioned at the side of the signal lead end 42 of described flexible PCB 40.
The earth terminal 41 of flexible PCB 40 has preset width, wherein, this preset width can ensure that the electrostatic entered by perforate 21 is completely released at the earth terminal 41 of flexible PCB 40, walks line end 42 and power supply mainboard 30 to avoid the electrostatic arriving signal entered by perforate 21.In FIG, dotted arrow illustrates the release way of the electrostatic entered by perforate 21.
Particularly, the width of the earth terminal 41 of setting flexible PCB 40 is a, the distance of the edge of the earth terminal 41 of the close flexible PCB 40 of perforate 21 and the earth terminal 41 of flexible PCB 40 is b, the gross thickness of display screen 10 and cover plate 20 is c, then meet formula a+b+c ﹥ d, wherein, d is linear discharge distance maximum under certain electrostatic grade.When meeting formula a+b+c > d, the electrostatic that guarantee is entered by perforate 21 can only arrive the earth terminal 41 of flexible PCB 40, thus is discharged completely by the earth terminal 41 of flexible PCB 40.
In the present embodiment, preferably, the distance b of the edge of the earth terminal 41 of the close flexible PCB 40 of perforate 21 and the earth terminal 41 of flexible PCB 40 is about 1.5mm, the gross thickness c of display screen 10 and cover plate 20 is about 1.0mm, maximum linear discharge distance d under 10KV electrostatic potential grade is about 4.0mm, like this, the width a of the earth terminal 41 of flexible PCB 40 need be greater than 1.5mm, and guarantee electrostatic is all discharged by the earth terminal 41 of flexible PCB 40.
In addition, foam rubber 50 is also provided with in the below of power supply mainboard 30.
Fig. 2 is the structural representation of mobile terminal according to an embodiment of the invention.
With reference to Fig. 2, mobile terminal is a mobile phone according to an embodiment of the invention, it back cover 2 comprising the display module 1 shown in Fig. 1 and be oppositely arranged with display module 1, and wherein, back cover 2 is fixed together with the fixed form of display module 1 by suitable type.
It should be noted that mobile terminal of the present invention is not restricted to mobile phone, such as, mobile terminal of the present invention also can be panel computer etc.
In sum, display module according to an embodiment of the invention, by increasing the width of the earth terminal of flexible PCB, make to enter into electrostatic from the perforate of cover plate fully to be discharged by the earth terminal of flexible PCB, thus avoid electrostatic conducting to the signal lead end of flexible PCB and power supply mainboard, and then avoid and cause interference to damage to the signal lead end of flexible PCB and power supply mainboard, improve the antistatic property of display module.
Although illustrate and describe the present invention with reference to specific embodiment, but it should be appreciated by those skilled in the art that: when not departing from the spirit and scope of the present invention by claim and equivalents thereof, the various changes in form and details can be carried out at this.
Claims (10)
1. a display module, it is characterized in that, comprise: display screen, cover plate, power supply mainboard and flexible PCB, described cover plate is fitted on the upper surface of described display screen, described power supply mainboard is arranged on the below of described display screen, described flexible PCB connects described display screen and described power supply mainboard respectively, by described flexible PCB, signal is supplied to described display screen to make described power supply mainboard, wherein, described flexible PCB comprises earth terminal, and described earth terminal has the preset width that exterior static can be made to discharge completely.
2. display module according to claim 1, is characterized in that, described cover plate is provided with the perforate for speaking with the district that do not overlap of described display screen, and described perforate is adjacent to described display screen.
3. display module according to claim 2, is characterized in that, described flexible PCB is fitted on the lower surface of described display screen, and the earth terminal of described flexible PCB is adjacent to described perforate.
4. display module according to claim 3, is characterized in that, described power supply mainboard is fitted on the lower surface of described display screen, and described power supply mainboard is positioned at the side of described flexible PCB away from described perforate.
5. display module according to claim 4, it is characterized in that, described flexible PCB also comprises the signal lead end between described earth terminal and described power supply mainboard, described power supply mainboard comprises the line bonding district relative with described signal lead end, described signal lead end is connected to described line bonding district, is connected to described power supply mainboard to make described flexible PCB.
6. display module according to claim 5, is characterized in that, described display module also comprises the foam rubber be positioned under described power supply mainboard.
7. display module according to claim 5, is characterized in that, the preset width of described earth terminal meets formula 1 below,
[formula 1] a+b+c > d
Wherein, a is the preset width of described earth terminal, and b is described perforate near the distance of the edge of described earth terminal and described earth terminal, and c is described display screen and described cover sheet thickness sum, and d is linear discharge distance maximum under specific electrostatic grade.
8. the display module according to any one of claim 1 to 7, is characterized in that, described display screen is Touch-control liquid crystal display screen or touch-control organic light-emitting diode (OLED) display screen.
9. a mobile terminal, is characterized in that, comprises the display module described in any one of claim 1 to 8.
10. mobile terminal according to claim 9, is characterized in that, described mobile terminal is mobile phone or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711955.2A CN105430123B (en) | 2015-10-27 | 2015-10-27 | Display module and the mobile terminal with the display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711955.2A CN105430123B (en) | 2015-10-27 | 2015-10-27 | Display module and the mobile terminal with the display module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105430123A true CN105430123A (en) | 2016-03-23 |
| CN105430123B CN105430123B (en) | 2018-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510711955.2A Active CN105430123B (en) | 2015-10-27 | 2015-10-27 | Display module and the mobile terminal with the display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105430123B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106210199A (en) * | 2016-08-15 | 2016-12-07 | 广东欧珀移动通信有限公司 | Center assembly and electronic equipment |
| CN108449450A (en) * | 2018-03-26 | 2018-08-24 | 广东欧珀移动通信有限公司 | Display screen component and electronic device |
| CN112162594A (en) * | 2020-09-08 | 2021-01-01 | 华为技术有限公司 | Electronic device |
| CN112930673A (en) * | 2018-12-29 | 2021-06-08 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN112996229A (en) * | 2021-01-19 | 2021-06-18 | 惠州Tcl移动通信有限公司 | Flexible circuit board, electronic equipment and electronic equipment manufacturing method |
| CN113196507A (en) * | 2019-11-05 | 2021-07-30 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display device |
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| CN203706160U (en) * | 2013-11-26 | 2014-07-09 | 惠州比亚迪实业有限公司 | Touch control device |
| CN104063109A (en) * | 2014-07-16 | 2014-09-24 | 深圳市中显微电子有限公司 | Antistatic wiring circuit and method of capacitive touch screen |
| US20140313454A1 (en) * | 2004-11-23 | 2014-10-23 | Samsung Display Co. Ltd. | Display device |
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| US20140313454A1 (en) * | 2004-11-23 | 2014-10-23 | Samsung Display Co. Ltd. | Display device |
| US20130002977A1 (en) * | 2011-06-30 | 2013-01-03 | Ki-Sik Park | Liquid crystal display apparatus |
| CN102902090A (en) * | 2012-11-14 | 2013-01-30 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106210199A (en) * | 2016-08-15 | 2016-12-07 | 广东欧珀移动通信有限公司 | Center assembly and electronic equipment |
| CN106210199B (en) * | 2016-08-15 | 2019-03-22 | Oppo广东移动通信有限公司 | Center component and electronic equipment |
| CN108449450A (en) * | 2018-03-26 | 2018-08-24 | 广东欧珀移动通信有限公司 | Display screen component and electronic device |
| CN112930673A (en) * | 2018-12-29 | 2021-06-08 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN113196507A (en) * | 2019-11-05 | 2021-07-30 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display device |
| CN112162594A (en) * | 2020-09-08 | 2021-01-01 | 华为技术有限公司 | Electronic device |
| CN112162594B (en) * | 2020-09-08 | 2023-03-10 | 华为技术有限公司 | Electronic device |
| CN112996229A (en) * | 2021-01-19 | 2021-06-18 | 惠州Tcl移动通信有限公司 | Flexible circuit board, electronic equipment and electronic equipment manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105430123B (en) | 2018-07-10 |
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