CN111413822A - Anti-static vehicle-mounted display equipment - Google Patents
Anti-static vehicle-mounted display equipment Download PDFInfo
- Publication number
- CN111413822A CN111413822A CN202010402501.8A CN202010402501A CN111413822A CN 111413822 A CN111413822 A CN 111413822A CN 202010402501 A CN202010402501 A CN 202010402501A CN 111413822 A CN111413822 A CN 111413822A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- liquid crystal
- shell
- display device
- transparent baffle
- 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.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 33
- 239000006260 foam Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 13
- 229920000742 Cotton Polymers 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 14
- 230000005611 electricity Effects 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F1/00—Preventing the formation of electrostatic charges
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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses an anti-static vehicle-mounted display device, wherein a shell is provided with a mounting window, a transparent baffle is mounted in the mounting window, the inner edge of the mounting window is provided with a limiting step, a liquid crystal screen is positioned in the shell and is abutted against the limiting step, a circuit board is positioned in the shell and is positioned on one side of the liquid crystal screen, which is far away from the transparent baffle, conductive foam is arranged between the circuit board and the liquid crystal screen, and the liquid crystal screen is connected with the circuit board through the conductive foam. Through the anti-static vehicle-mounted display equipment with the optimized design, the transparent protective film is replaced by the transparent baffle, static electricity is isolated to the maximum extent, the liquid crystal screen is protected, the equipment is not influenced by static discharge, and the use safety is ensured.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted display, in particular to an anti-static vehicle-mounted display device.
Background
At present, each large passenger car factory has a hard requirement on vehicle-mounted display equipment: the equipment can not have any abnormal phenomena (screen brightness, white screen, restart, dead halt and the like) when an electrostatic discharge test (voltage +/-15 KV) is carried out. In order to enable the device to pass the electrostatic discharge test, it is generally considered to add a transparent protective film between the liquid crystal panel and the housing for isolating the influence of static electricity on the display panel. The method can pass the static test within +/-3 KV, but with the increase of the static discharge voltage, the device cannot pass the static test by the simple method of adding the isolation layer because no gap can be formed between the isolation layer and the shell, and the assembly is troublesome.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an anti-static vehicle-mounted display device.
The invention provides an antistatic vehicle-mounted display device, which comprises: the liquid crystal display comprises a shell, a liquid crystal screen, a circuit board and a transparent baffle;
be equipped with the installation window on the casing, transparent baffle installs in the installation window, installation window inner edge is equipped with spacing step, and the LCD screen is located the casing and supports and lean on spacing step, circuit board are located the casing and the circuit board is located the LCD screen and keeps away from transparent baffle one side, are equipped with the electrically conductive bubble cotton between circuit board and the LCD screen, and the LCD screen passes through the electrically conductive bubble cotton and is connected with the circuit board.
Preferably, the transparent baffle is injection molded integrally with the housing.
Preferably, a preset gap is arranged between the liquid crystal screen and the transparent baffle.
Preferably, the housing includes an upper housing and a lower housing, the mounting window is located on the upper housing, and the liquid crystal screen and the circuit board are mounted on the upper housing.
Preferably, the liquid crystal display screen further comprises a connector, the connector is mounted in the upper shell, the liquid crystal screen is mounted on the connector, and an annular boss is arranged at the end part of the lower shell and extends into the upper shell and abuts against the connector.
Preferably, the circuit board is provided with a grounding module, and the conductive foam is connected with the grounding module.
According to the anti-static vehicle-mounted display equipment, the shell is provided with the mounting window, the transparent baffle is mounted in the mounting window, the inner edge of the mounting window is provided with the limiting step, the liquid crystal screen is located in the shell and abuts against the limiting step, the circuit board is located in the shell and located on one side, away from the transparent baffle, of the liquid crystal screen, the conductive foam is arranged between the circuit board and the liquid crystal screen, and the liquid crystal screen is connected with the circuit board through the conductive foam. Through the anti-static vehicle-mounted display equipment with the optimized design, the transparent protective film is replaced by the transparent baffle, static electricity is isolated to the maximum extent, the liquid crystal screen is protected, the equipment is not influenced by static discharge, and the use safety is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an anti-static vehicle-mounted display device according to the present invention.
Detailed Description
As shown in fig. 1, fig. 1 is a schematic structural diagram of an anti-static vehicle-mounted display device according to the present invention.
Referring to fig. 1, the present invention provides an anti-static vehicle-mounted display device, including: the liquid crystal display comprises a shell, a liquid crystal screen 2, a circuit board 3 and a transparent baffle 4;
be equipped with the installation window on the casing, transparent baffle 4 installs in the installation window, the installation window inner edge is equipped with spacing step, and LCD screen 2 is located the casing and supports and lean on spacing step, circuit board 3 are located the casing and circuit board 3 are located LCD screen 2 and keep away from transparent baffle 4 one side, are equipped with the cotton 5 of electrically conductive bubble between circuit board 3 and the LCD screen 2, and LCD screen 2 is connected with circuit board 3 through the cotton 5 of electrically conductive bubble.
In this embodiment, the on-vehicle display device of antistatic that provides is equipped with the installation window on the casing, and transparent baffle installs in the installation window, the installation window inner edge is equipped with spacing step, and the LCD screen is located the casing and supports and lean on spacing step, circuit board are located the casing and the circuit board is located the LCD screen and keeps away from transparent baffle one side, are equipped with the electrically conductive bubble cotton between circuit board and the LCD screen, and the LCD screen passes through the electrically conductive bubble cotton and is connected with the circuit board. Through the anti-static vehicle-mounted display equipment with the optimized design, the transparent protective film is replaced by the transparent baffle, static electricity is isolated to the maximum extent, the liquid crystal screen is protected, the equipment is not influenced by static discharge, and the use safety is ensured.
In the specific embodiment, the transparent baffle 4 and the shell are integrally injection molded, so that no gap exists between the baffle and the shell, static electricity is isolated to the maximum extent, and the liquid crystal screen is protected.
In other embodiments, a predetermined gap is provided between the lcd panel 2 and the transparent barrier 4, and air is used as a second barrier to isolate static electricity, so as to further protect the lcd panel.
In the specific design mode of the shell, the shell comprises an upper shell 11 and a lower shell 12, the mounting window is positioned on the upper shell 11, and the liquid crystal screen 2 and the circuit board 3 are mounted on the upper shell 11, so that the liquid crystal screen and the circuit board can be conveniently mounted.
In a further concrete embodiment, the liquid crystal display panel further comprises a connector 6, the connector 6 is installed in the upper shell 11, the liquid crystal display panel 2 is installed on the connector 6, an annular boss is arranged at the end part of the lower shell 12, the annular boss extends into the upper shell 11 and abuts against the connector 6, and the installation reliability of the liquid crystal display panel and the circuit board is guaranteed.
In another specific embodiment, the circuit board 3 is provided with a grounding module, the conductive foam 5 is connected with the grounding module, and in case that static electricity strikes on the liquid crystal screen, the static electricity can be timely guided into the ground through the conductive foam and the grounding module on the circuit board, so that third-layer protection is provided for the liquid crystal screen.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An antistatic in-vehicle display device, comprising: the liquid crystal display comprises a shell, a liquid crystal screen (2), a circuit board (3) and a transparent baffle (4);
be equipped with the installation window on the casing, install transparent baffle (4) in the installation window, the installation window inner edge is equipped with spacing step, and LCD screen (2) are located the casing and support and lean on spacing step, circuit board (3) are located the casing and circuit board (3) are located LCD screen (2) and keep away from transparent baffle (4) one side, are equipped with between circuit board (3) and LCD screen (2) and electrically conduct bubble cotton (5), and LCD screen (2) are connected with circuit board (3) through electrically conducting bubble cotton (5).
2. The antistatic on-vehicle display device of claim 1, characterized in that the transparent barrier (4) is injection molded integrally with the housing.
3. The antistatic on-vehicle display device of claim 1, characterized in that a preset gap is provided between the liquid crystal screen (2) and the transparent baffle (4).
4. The antistatic on-vehicle display device of claim 1, wherein the housing comprises an upper housing (11) and a lower housing (12), the mounting window is located on the upper housing (11), and the liquid crystal panel (2) and the circuit board (3) are mounted on the upper housing (11).
5. The antistatic vehicle-mounted display device of claim 4, characterized by further comprising a connector (6), wherein the connector (6) is installed in the upper shell (11), the liquid crystal screen (2) is installed on the connector (6), and the end of the lower shell (12) is provided with an annular boss which extends into the upper shell (11) and abuts against the connector (6).
6. The antistatic vehicle-mounted display device of claim 1, wherein the circuit board (3) is provided with a grounding module, and the conductive foam (5) is connected with the grounding module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402501.8A CN111413822A (en) | 2020-05-13 | 2020-05-13 | Anti-static vehicle-mounted display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402501.8A CN111413822A (en) | 2020-05-13 | 2020-05-13 | Anti-static vehicle-mounted display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111413822A true CN111413822A (en) | 2020-07-14 |
Family
ID=71493891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010402501.8A Pending CN111413822A (en) | 2020-05-13 | 2020-05-13 | Anti-static vehicle-mounted display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111413822A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206162255U (en) * | 2016-08-19 | 2017-05-10 | 孙丽 | Many function display screen protection protective edge |
| CN207626004U (en) * | 2017-11-08 | 2018-07-17 | 深圳市麦积电子科技有限公司 | A kind of anlistatig display device for mounting on vehicle |
| CN207623138U (en) * | 2017-12-18 | 2018-07-17 | 卡诺莎陶瓷（深圳）有限公司 | A kind of anti-static ceramic detection device |
| CN208207442U (en) * | 2018-04-26 | 2018-12-07 | 长春市芳冠电子科技有限公司 | A kind of visualized graphs dot matrix instrument liquid crystal display die set |
| CN210073212U (en) * | 2019-08-20 | 2020-02-14 | 深圳市瀚达美电子有限公司 | Anti-static vehicle-mounted display module |
| CN212276158U (en) * | 2020-05-13 | 2021-01-01 | 安徽军工集团控股有限公司 | Anti-static vehicle-mounted display equipment |
-
2020
- 2020-05-13 CN CN202010402501.8A patent/CN111413822A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206162255U (en) * | 2016-08-19 | 2017-05-10 | 孙丽 | Many function display screen protection protective edge |
| CN207626004U (en) * | 2017-11-08 | 2018-07-17 | 深圳市麦积电子科技有限公司 | A kind of anlistatig display device for mounting on vehicle |
| CN207623138U (en) * | 2017-12-18 | 2018-07-17 | 卡诺莎陶瓷（深圳）有限公司 | A kind of anti-static ceramic detection device |
| CN208207442U (en) * | 2018-04-26 | 2018-12-07 | 长春市芳冠电子科技有限公司 | A kind of visualized graphs dot matrix instrument liquid crystal display die set |
| CN210073212U (en) * | 2019-08-20 | 2020-02-14 | 深圳市瀚达美电子有限公司 | Anti-static vehicle-mounted display module |
| CN212276158U (en) * | 2020-05-13 | 2021-01-01 | 安徽军工集团控股有限公司 | Anti-static vehicle-mounted display equipment |
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