CN204166236U - A kind of LCM of electromagnetism interference - Google Patents
A kind of LCM of electromagnetism interference Download PDFInfo
- Publication number
- CN204166236U CN204166236U CN201420595879.4U CN201420595879U CN204166236U CN 204166236 U CN204166236 U CN 204166236U CN 201420595879 U CN201420595879 U CN 201420595879U CN 204166236 U CN204166236 U CN 204166236U
- Authority
- CN
- China
- Prior art keywords
- lcm
- main body
- thickness
- electromagnetism interference
- winding displacement
- 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.)
- Expired - Fee Related
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model relates to LCM technical field, particularly relate to a kind of LCM of electromagnetism interference, it comprises LCM main body, the top card of LCM main body is connected to metal edge frame, the bottom of LCM main body is connected with lower metal edge frame, and LCM main body comprises the upper polaroid, liquid crystal display device, lower polaroid, lustre adding layer, diffusion sheet, light guide plate, the reflector plate that stack gradually from top to bottom; The front end of LCM main body is provided with for the FPC winding displacement with external transmission data-signal, and front, the back side of FPC winding displacement are all coated with electromagnetic membrane.Therefore, the utility model all covers electromagnetic membrane at the front of FPC winding displacement, the back side, makes FPC winding displacement also can shield outer signal interference, namely improves the electromagnetism interference effect of FPC winding displacement, thus improve the electromagnetism interference effect of LCM, ensure job stability and the display effect of LCM.
Description
Technical field
It is (English: Liquid Crystal Module that the utility model relates to LCM, Chinese: Liquid Crystal Module, liquid crystal display module or LCD assembly) technical field, particularly relate to the LCM of a kind of electromagnetism interference (Electromagnetic Interference is called for short EMI).
Background technology
As a rule, LCM refers to assembly liquid crystal display device, web member, control and drive integrated circult, circuit board, backlight, structural member etc. are assembled together.LCM is a kind of basic device of new and high technology, and as the display module of electronic product, it can get up with other assembling components, forms the electronic product such as mobile phone, computer.
At present, general LCM, it mainly comprises LCM main body, and the top card of LCM main body is connected to metal edge frame (being commonly called as: chase), and the bottom of LCM main body is connected with lower metal edge frame, and upper metal edge frame and lower metal edge frame are for the protection of LCM main body.Wherein, LCM main body comprises the upper polaroid, liquid crystal display device (the i.e. LCD that stack gradually from top to bottom, be commonly called as liquid-crystalline glasses), lower polaroid, brightening piece, diffusion sheet, light guide plate, reflector plate, light guide plate be used for the light that the LED of side backlight module sends is converted to flat luminous; Reflector plate is used for being returned by the light reflection bottom directive, to make full use of light; Diffusion sheet is used for light to spread apart, and makes evenly luminous; Brightening piece is for increasing the brightness of luminescence; Liquid crystal display device, for display; Polaroid, for the formation of polarized light, makes liquid crystal display device imaging.
Wherein, as shown in Figure 1, the front end of LCM main body 1 ' is provided with for FPC (i.e. flexible PCB) winding displacement 2 ' with external transmission data-signal.But, LCM of the prior art, only relies on the upper parts such as metal edge frame, lower metal edge frame to carry out electromagnetism interference to LCM main body, and have ignored the electromagnetism interference of FPC winding displacement, make the electromagnetism interference effect of LCM poor, affect job stability and the display effect of LCM.
Utility model content
The purpose of this utility model is the LCM providing a kind of electromagnetism interference for the deficiencies in the prior art, and it by improving the electromagnetism interference effect of FPC winding displacement, thus improves the electromagnetism interference effect of LCM, ensures job stability and the display effect of LCM.
To achieve these goals, the utility model is by the following technical solutions:
A kind of LCM of electromagnetism interference, comprise LCM main body, the top card of described LCM main body is connected to metal edge frame, the bottom of described LCM main body is connected with lower metal edge frame, and described LCM main body comprises the upper polaroid, liquid crystal display device, lower polaroid, lustre adding layer, diffusion sheet, light guide plate, the reflector plate that stack gradually from top to bottom; The front end of described LCM main body is provided with for the FPC winding displacement with external transmission data-signal, and front, the back side of described FPC winding displacement are all coated with electromagnetic membrane.
Wherein, the thickness of described upper polaroid, the thickness of lower polaroid are 0.215 millimeter.
Wherein, described lustre adding layer comprises brightening piece, lower brightening piece, and described upper brightening piece is layered in the top end face of described lower brightening piece.
Wherein, the thickness of described upper brightening piece, the thickness of lower brightening piece are 0.1 millimeter.
Wherein, the thickness of described liquid crystal display device is 1 millimeter, and the thickness of described diffusion sheet is 0.1 millimeter, and the thickness of described light guide plate is 0.5 millimeter, and the thickness of described reflector plate is 0.1 millimeter.
Wherein, the thickness of described upper metal edge frame, the thickness of lower metal edge frame are 0.2 millimeter.
The utility model beneficial effect is: the utility model all covers electromagnetic membrane at the front of FPC winding displacement, the back side, make FPC winding displacement also can shield outer signal interference, namely the electromagnetism interference effect of FPC winding displacement is improved, thus improve the electromagnetism interference effect of LCM, ensure job stability and the display effect of LCM.
Accompanying drawing explanation
Fig. 1 is the front view of the LCM of prior art.
Fig. 2 is the front view of LCM of the present utility model.
Fig. 3 is the rear view of LCM of the present utility model.
Fig. 4 is the A-A cut-open view of Fig. 2.
Fig. 5 is the enlarged diagram at B place in Fig. 4.
Comprise in Fig. 2 ~ 5:
1---LCM main body, 11---upper metal edge frame, 12---upper polaroid, 13---liquid crystal display device, 14---lower polaroid, 151---upper brightening piece, 152---lower brightening piece, 16---diffusion sheet, 17---light guide plate, 18---reflector plate, 19---lower metal edge frame, 2---FPC winding displacement, 3---electromagnetic membrane.
Embodiment
In order to describe the technical solution of the utility model in detail, below in conjunction with the accompanying drawing of the utility model embodiment, clear, complete description is carried out to the technical scheme of the utility model embodiment.Obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the utility model protection.
Please refer to Fig. 2 ~ 5, the LCM of the utility model electromagnetism interference, comprise LCM main body 1.The top card of LCM main body 1 is connected to metal edge frame 11, the bottom of LCM main body 1 is connected with lower metal edge frame 19, LCM main body 1 and comprises the upper polaroid 12, liquid crystal display device 13, lower polaroid 14, lustre adding layer, diffusion sheet 16, light guide plate 17, the reflector plate 18 that stack gradually from top to bottom.
Wherein, the front end of LCM main body 1 is provided with for the FPC winding displacement 2 with external transmission data-signal, front, the back side of FPC winding displacement 2 are all coated with electromagnetic membrane 3, make FPC winding displacement 2 also can shield outer signal interference, namely the electromagnetism interference effect of FPC winding displacement 2 is improved, thus improve the electromagnetism interference effect of LCM, ensure job stability and the display effect of LCM.Certainly, the Plug Division of FPC winding displacement 2 front end does not cover electromagnetic membrane 3, in order to avoid affect the connection of FPC winding displacement 2 and external unit.The electromagnetic membrane 3 being covered in FPC winding displacement 2 can be black, and is pressed on the front and back of FPC winding displacement 2 by machinery and equipment.
Preferably, lustre adding layer comprises brightening piece 151, lower brightening piece 152, and upper brightening piece 151 is layered in the top end face of lower brightening piece 152, makes lustre adding layer have two brightening pieces, thus improves the brightness of LCM.
Preferably, the thickness of upper polaroid 12, the thickness of lower polaroid 14 are 0.215 millimeter; The thickness of upper brightening piece 151, the thickness of lower brightening piece 152 are 0.1 millimeter; The thickness of liquid crystal display device 13 is 1 millimeter, and the thickness of diffusion sheet 16 is 0.1 millimeter, and the thickness of light guide plate 17 is 0.5 millimeter, and the thickness of reflector plate 18 is 0.1 millimeter; The thickness of upper metal edge frame 11, the thickness of lower metal edge frame 19 are 0.2 millimeter.Such thickness is convenient to produce, and the thickness of electronic product can not be made again excessive.
Compared with the LCM of prior art, the utility model all covers electromagnetic membrane 3 at the front of FPC winding displacement 2, the back side, the experiment proved that, applies LCD screen of the present utility model, and electromagnetism interference effect is better, and job stability and display effect are also better.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; the technical solution of the utility model is modified or equivalent replacement, all belong to protection domain of the present utility model.
Claims (6)
1. the LCM of an electromagnetism interference, comprise LCM main body, the top card of described LCM main body is connected to metal edge frame, the bottom of described LCM main body is connected with lower metal edge frame, and described LCM main body comprises the upper polaroid, liquid crystal display device, lower polaroid, lustre adding layer, diffusion sheet, light guide plate, the reflector plate that stack gradually from top to bottom; The front end of described LCM main body is provided with for the FPC winding displacement with external transmission data-signal, it is characterized in that: front, the back side of described FPC winding displacement are all coated with electromagnetic membrane.
2. the LCM of electromagnetism interference according to claim 1, is characterized in that: the thickness of described upper polaroid, the thickness of lower polaroid are 0.215 millimeter.
3. the LCM of electromagnetism interference according to claim 1 and 2, is characterized in that: described lustre adding layer comprises brightening piece, lower brightening piece, and described upper brightening piece is layered in the top end face of described lower brightening piece.
4. the LCM of electromagnetism interference according to claim 3, is characterized in that: the thickness of described upper brightening piece, the thickness of lower brightening piece are 0.1 millimeter.
5. the LCM of electromagnetism interference according to claim 4, is characterized in that: the thickness of described liquid crystal display device is 1 millimeter, and the thickness of described diffusion sheet is 0.1 millimeter, and the thickness of described light guide plate is 0.5 millimeter, and the thickness of described reflector plate is 0.1 millimeter.
6. the LCM of electromagnetism interference according to claim 5, is characterized in that: the thickness of described upper metal edge frame, the thickness of lower metal edge frame are 0.2 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595879.4U CN204166236U (en) | 2014-10-15 | 2014-10-15 | A kind of LCM of electromagnetism interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595879.4U CN204166236U (en) | 2014-10-15 | 2014-10-15 | A kind of LCM of electromagnetism interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166236U true CN204166236U (en) | 2015-02-18 |
Family
ID=52539908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420595879.4U Expired - Fee Related CN204166236U (en) | 2014-10-15 | 2014-10-15 | A kind of LCM of electromagnetism interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031660A (en) * | 2019-12-30 | 2020-04-17 | 歌尔科技有限公司 | Design method of FPC (Flexible printed Circuit) flat cable |
| CN112652254A (en) * | 2020-09-11 | 2021-04-13 | 和辉(深圳)液晶显示技术有限公司 | Anti-electromagnetic interference low-temperature-resistant liquid crystal display screen |
-
2014
- 2014-10-15 CN CN201420595879.4U patent/CN204166236U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031660A (en) * | 2019-12-30 | 2020-04-17 | 歌尔科技有限公司 | Design method of FPC (Flexible printed Circuit) flat cable |
| CN112652254A (en) * | 2020-09-11 | 2021-04-13 | 和辉(深圳)液晶显示技术有限公司 | Anti-electromagnetic interference low-temperature-resistant liquid crystal display screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202598303U (en) | Backlight module and display device | |
| US11051411B2 (en) | Mobile electronic device and display thereof | |
| CN105334911A (en) | Electronic device | |
| CN107894676A (en) | A kind of backlight module and liquid crystal module | |
| CN204155244U (en) | Touch display module and electronical display product | |
| CN204166236U (en) | A kind of LCM of electromagnetism interference | |
| CN202884700U (en) | Ultra thin double-sided backlight unit and liquid crystal display module thereof | |
| CN204178079U (en) | Can the LCM of anti-electromagnetic interference (EMI) | |
| CN103809310B (en) | A kind of mobile terminal and its liquid crystal display device | |
| CN204166249U (en) | The LCM that illumination effect is good | |
| CN104536639A (en) | Sensing control structure, infrared electromagnetic touch screen and double-contact liquid crystal integrated machine | |
| CN208780954U (en) | A kind of jamproof liquid crystal display die set | |
| CN203560778U (en) | Backlight assembly and display device | |
| CN204166244U (en) | The LCM in FPC winding displacement serviceable life can be improved | |
| CN203554794U (en) | Change-over flexible circuit board used for liquid crystal display device | |
| CN204166243U (en) | The ground structure of a kind of LCM | |
| CN204044465U (en) | Can avoid pressing the LCM occurring water ripples | |
| CN212009220U (en) | Narrow frame TFT leak protection photo structure | |
| CN204143136U (en) | A kind of display device | |
| CN204166247U (en) | A kind of LCM of light leakage | |
| CN204291572U (en) | Novel backlight FPC anti-interference structure | |
| CN204437871U (en) | Backlight module | |
| CN204044469U (en) | The brightness of a kind of LCM improves structure | |
| CN204287674U (en) | A kind of slim LCD liquid crystal module | |
| CN202629925U (en) | Light guide mechanism and portable mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20181015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |