CN109466327A - Automobile instrument is bonded integral type display screen - Google Patents
Automobile instrument is bonded integral type display screen Download PDFInfo
- Publication number
- CN109466327A CN109466327A CN201811323244.8A CN201811323244A CN109466327A CN 109466327 A CN109466327 A CN 109466327A CN 201811323244 A CN201811323244 A CN 201811323244A CN 109466327 A CN109466327 A CN 109466327A
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- Prior art keywords
- display screen
- instrument
- screen
- segment encode
- integral type
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- 238000010030 laminating Methods 0.000 claims abstract description 14
- 239000005357 flat glass Substances 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 230000013011 mating Effects 0.000 claims abstract description 4
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000000697 sensory organ Anatomy 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 238000006062 fragmentation reaction Methods 0.000 description 1
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- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 210000002189 macula lutea Anatomy 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Instrument Panels (AREA)
Abstract
The present invention relates to a kind of automobile instrument display screen, in particular to a kind of automobile instrument is bonded integral type display screen.Its structure includes instrument front shroud and instrument bottom case, instrument lamp-box frame is provided between the instrument front shroud and instrument bottom case, printed circuit board is provided between instrument bottom case below the instrument lamp-box frame, display screen laminating component is provided between instrument front shroud above the instrument lamp-box frame, display screen laminating component includes TFT display screen, the two sides of the TFT display screen are electrically connected segment encode screen, cover-plate glass is pasted with by joint adhesive above the segment encode screen of the TFT display screen and two sides, the segment encode screen is respectively arranged below even mating plate.Automobile instrument of the invention is bonded integral type display screen, not only low manufacture cost, and instrument display screen is reliability and durability, extends the instrument display screen service life, more improves the visual experience of driver.
Description
Technical field
The present invention relates to a kind of automobile instrument display screen, in particular to a kind of automobile instrument is bonded integral type display screen.
Background technique
Present automobile instrument, in the direction evolution towards screen enlarging and total digitalization.Compared to conventional cursor formula instrument, this
Kind of instrument can provide the more driving informations of driver, and on sense organ, the energy of driver it is seen that a monolith display screen, and
The display effect of various distinct styles on display screen.
Currently, main way of realization has 3 kinds to reach this effect:
One, large-sized display screen is directlyed adopt, bluntly；This mode effect is best, but lacks there are maximum
Point ----i.e. cost.The cost of this mode will be 3 times or more of conventional instrument.
Two, by the dial of pc substrate, full frame effect is simulated；The cost of this mode is minimum, but display effect ratio
It is more inflexible, it is only able to display the content printed on dial, without the diversity that display screen is shown, and on sense organ, due to dial
Printing technology limitation, in bell character (BEL) signal lamp without when showing, or can see its ghost, sense organ is poor.
Three, a monolith segment encode screen is bonded with middle part small size display screen, is achieved the effect that full frame；This mode be with
The half-way house of upper 2 kinds of modes still retains TFT display screen and shows as main body, ensure that aobvious in the intermediate region of instrument
The diversity shown；The region of speed, revolving speed is shown in two sides, is realized in the form of segment encode screen, is reduced the system of instrument entirety
Make cost.But there is also defects for it, first, the region that segment encode screen is effectively shown is only in 2 sides, intermediate region is transparent region, is supplied
The display of TFT display screen penetrates, and practical efficiency is lower；Second, on the basis of existing manufacturing process, the display of big segment encode screen
Angle has biggish limitation, is 6 o'clock direction or 9 o'clock direction, and the visible angle for thereby resulting in driver is smaller；Third, section
The translucency of code screen is poor, is 15%~20%, and display brightness is integrally lower, if extraneous light is stronger in driving procedure, meeting
Influence acquisition of the driver to meter information；Fourth, the size of segment encode screen is larger, since segment encode screen is needed in principle in glass
Centre perfusion liquid crystal, the intensity in structure has decline, and during actual travel after installation, transport and entrucking, there are sections
The risk of code panel glass fragmentation；Although fifth, in cost, compared with can directly be declined using large scale display screen, but still
It is so higher.
Summary of the invention
In order to solve problems in the prior art, the present invention provides a kind of automobile instruments to be bonded integral type display screen, no
But low manufacture cost, and instrument display screen is reliability and durability, extends the instrument display screen service life, more improves the vision of driver
Impression.
The technical solution adopted in the present invention is as follows:
A kind of automobile instrument is bonded integral type display screen, including instrument front shroud and instrument bottom case, the instrument front shroud and
It is provided with instrument lamp-box frame between instrument bottom case, is provided with printed circuit between instrument bottom case below the instrument lamp-box frame
Plate is provided with display screen laminating component between the instrument lamp-box frame top and instrument front shroud, and display screen laminating component includes
TFT display screen, the two sides of the TFT display screen are electrically connected the segment encode screen of segment encode screen, the TFT display screen and two sides
Top is pasted with cover-plate glass by joint adhesive, and the segment encode screen is respectively arranged below even mating plate.
The segment encode screen of TFT display screen two sides is respectively speed segment encode screen and revolving speed segment encode screen.
Being electrically connected to ground on the metallic support and printed circuit board that segment encode screen passes through TFT display screen is used for release electrostatic.
Printed circuit board includes main control chip, and the main control chip is electrically connected TFT display panel module, TFT is shown
Shield backlight module, speed segment encode panel module and revolving speed segment encode panel module, the TFT display backlight module is electrically connected described
TFT display panel module.
Technical solution provided by the invention has the benefit that
This scheme is identical as the effect of big segment encode screen+TFT display screen in way of realization, but in structural strength, due to
There are one piece of cover-plate glass, and integral strength will greatly enhance, and surface strength has reached 7H；In cost, relative to segment encode screen+
The implementation of TFT display screen will save 60% or more.
And there is also following advantages for this scheme:
1. segment encode screen can be connected by the ground wire on the metallic support and PCBA of TFT display screen by way of fitting,
The available release of electrostatic that itself accumulates.In this way instrument can be enhanced to avoid instrument actual effect phenomenon due to caused by electrostatic
The reliability of table, extends meter life.
2. cover-plate glass can be individually surface-treated as a single-piece.Such as anti-dazzle light processing, antireflection process,
The sensory experience of driver can be greatly improved in this way.
3. overall brightness is big, the transmitance maximum of glass is up to 95%, it is possible to provide clearly indicates.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural decomposition diagram that automobile instrument of the invention is bonded integral type display screen；
Fig. 2 is the STRUCTURE DECOMPOSITION signal for the display screen laminating component that automobile instrument of the invention is bonded integral type display screen
Figure；
Fig. 3 is the schematic block circuit diagram for the printed circuit board that automobile instrument of the invention is bonded integral type display screen；
Fig. 4 is the main control chip circuit theory for the printed circuit board that automobile instrument of the invention is bonded integral type display screen
Figure；
Fig. 5 is the TFT display panel module circuit for the printed circuit board that automobile instrument of the invention is bonded integral type display screen
Schematic diagram；
Fig. 6 is the TFT display backlight module for the printed circuit board that automobile instrument of the invention is bonded integral type display screen
Circuit diagram；
Fig. 7 is the speed segment encode panel module circuit for the printed circuit board that automobile instrument of the invention is bonded integral type display screen
Schematic diagram；
Fig. 8 is the revolving speed segment encode screen circuit theory for the printed circuit board that automobile instrument of the invention is bonded integral type display screen
Figure.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one:
As shown in attached drawing 1,2, a kind of automobile instrument fitting integral type display screen, including instrument front shroud 1 and instrument bottom case 2,
Instrument lamp-box frame 3,3 lower section of instrument lamp-box frame and instrument bottom are provided between the instrument front shroud 1 and instrument bottom case 2
Be provided with printed circuit board 4 between shell 2,3 top of instrument lamp-box frame be provided with display screen between instrument front shroud 1 and be bonded
Component 5 is provided with buffering sponge 6 between the display screen laminating component 5 and instrument front shroud 1.Display screen laminating component 5 with
Buffering sponge 7 is provided between instrument lamp-box frame 3.Display screen laminating component 5 includes TFT display screen 51, and the TFT is shown
The two sides of screen 51 are electrically connected segment encode screen 52, pass through joint adhesive above the segment encode screen 52 of the TFT display screen 51 and two sides
53 are pasted with cover-plate glass 54, and the segment encode screen 52 is respectively arranged below even mating plate 55.
The segment encode screen 52 of 51 two sides of TFT display screen of the present embodiment is respectively speed segment encode screen and revolving speed segment encode screen.
Being electrically connected to ground on the metallic support and printed circuit board that segment encode screen 52 passes through TFT display screen, it is quiet for discharging
Electricity.
The automobile instrument of the present embodiment is bonded integral type display screen, and cover-plate glass materials are silico-calcium material, with a thickness of
1.1mm has many advantages, such as stable chemical performance, and light transmission is outstanding, structural strength is big (can also be used PC+PMMA (poly- methyl-prop
E pioic acid methyl ester) meet material, thickness can be adjusted suitably between 0.5~2.0mm according to actual needs).Joint adhesive is by Suzhou paulownia
Power Photoelectric Co., Ltd. provides, and is AB bi-component organic silicon glue, and neutral material is non-toxic and tasteless, environmental protection, has high temperature resistant high
The features such as wet, high-low temperature resistant, UV resistant, and cure shrinkage is 0.1%, can effectively solve IPS screen light leakage mura and macula lutea
Problem (the OCR optical cement that Germany or Japanese import can also be used)；Attaching process is by Suzhou Tong Li Photoelectric Co., Ltd.
It provides, using thermosetting property+edge reinforcement scheme, can effectively avoid the generation of the bubble after fitting.
TFT display screen is made of with being bonded for segment encode screen speed segment encode screen, revolving speed segment encode screen and TFT display screen.Speed section
The size of code screen and revolving speed segment encode screen is 117.5 × 72.4mm, is manufactured and is provided by Transition In Jurong, Jiangsu Jun Sheng display technology Co., Ltd.
Wherein, speed segment encode screen is 2.5mm in left side, the gap with TFT display screen；Revolving speed segment encode screen is on right side, with TFT display screen
Gap is 1.5mm.
In instrument assembly, as a component assembly, wherein instrument front shroud and instrument bottom case are outside the main body of instrument
See part；Printed circuit board is the information carrier of instrument, and chip, memory make surface fitting above it；Instrument lamp-box frame is print
The supporting body of printed circuit board and the combined integrated laminating component of polytypic display screen is the skeleton of entire instrument；Buffering sponge is placed in
Between display screen laminating component and instrument lamp-box frame and display screen laminating component and instrument front shroud, display screen laminating component is risen
To protective effect, its failure due to caused by vibration after installation, transport, entrucking is prevented.
As shown in Fig. 3, the printed board circuit of the present embodiment includes main control chip, and the main control chip is electric respectively
Connect TFT display panel module, TFT display backlight module, speed segment encode panel module and revolving speed segment encode panel module, the TFT
The display backlight module electrical connection TFT display panel module.
QZB1140 forms full Virtual instrument using full attaching process with 7 cun of TFT combination display patterns using two segment encode screens
The effect of table, both sides segment encode screen using spi bus communicate, band grayscale gradual change show, segment encode screen display water oil meter, vehicle revolving speed and
Part alarm LED shows that signal is transmitted by CAN bus, and turning initially on MCU, MCU is being transferred to section by spi bus mode
Code screen, and in the corresponding vehicle revolving speed of segment encode screen display and alarm LED, segment encode screen powered with 3.3V, backlight 5V power supply with
LED is provided；7 cun of TFT show that animation, the interface UI and part alarm LED, signal are transmitted by CAN bus, are first transferred to monolithic
It on machine, come the display of control flow, is powered with 3.3V by single-chip microcontroller, 7 cun of screen backlights individually use boost chip and LED to provide, and adopt
With 32 machines of auspicious Sa automotive grade.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of automobile instrument is bonded integral type display screen, including instrument front shroud and instrument bottom case, the instrument front shroud and instrument
It is provided with instrument lamp-box frame between table bottom case, is provided with printed circuit between instrument bottom case below the instrument lamp-box frame
Plate is provided with display screen laminating component between the instrument lamp-box frame top and instrument front shroud, which is characterized in that described is aobvious
Display screen laminating component includes TFT display screen, and the two sides of the TFT display screen are electrically connected segment encode screen, and the TFT is shown
Cover-plate glass is pasted with by joint adhesive above screen and the segment encode screen of two sides, the segment encode screen is respectively arranged below even mating plate.
2. automobile instrument according to claim 1 is bonded integral type display screen, which is characterized in that the display screen fitting
Buffering sponge is provided between component and instrument front shroud.
3. automobile instrument according to claim 1 is bonded integral type display screen, which is characterized in that the display screen fitting
Buffering sponge is provided between component and instrument lamp-box frame.
4. automobile instrument according to claim 1 is bonded integral type display screen, which is characterized in that the TFT display screen
The segment encode screen of two sides is respectively speed segment encode screen and revolving speed segment encode screen.
5. automobile instrument according to claim 1 is bonded integral type display screen, which is characterized in that the segment encode screen passes through
Being electrically connected to ground on the metallic support and printed circuit board of TFT display screen is used for release electrostatic.
6. automobile instrument according to claim 1 is bonded integral type display screen, which is characterized in that the printed circuit board
Including main control chip, the main control chip is electrically connected TFT display panel module, TFT display backlight module, speed segment encode
Panel module and revolving speed segment encode panel module, the TFT display backlight module electrical connection TFT display panel module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323244.8A CN109466327A (en) | 2018-11-08 | 2018-11-08 | Automobile instrument is bonded integral type display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323244.8A CN109466327A (en) | 2018-11-08 | 2018-11-08 | Automobile instrument is bonded integral type display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109466327A true CN109466327A (en) | 2019-03-15 |
Family
ID=65667015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811323244.8A Pending CN109466327A (en) | 2018-11-08 | 2018-11-08 | Automobile instrument is bonded integral type display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109466327A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884349A (en) * | 2019-11-21 | 2020-03-17 | 东风电驱动系统有限公司 | Combined instrument |
| CN111063284A (en) * | 2019-11-16 | 2020-04-24 | 东风电驱动系统有限公司 | Coding and decoding method and device for symmetrically distributed segment code screen |
| CN111462656A (en) * | 2020-05-26 | 2020-07-28 | 延锋伟世通电子科技（上海）有限公司 | A car central control integrated black optical display device |
| CN111532131A (en) * | 2020-05-14 | 2020-08-14 | 黑龙江天有为电子有限责任公司 | Automobile instrument central control combination device and automobile |
| CN111532129A (en) * | 2020-05-14 | 2020-08-14 | 黑龙江天有为电子有限责任公司 | A car dashboard and car |
| WO2021227176A1 (en) * | 2020-05-14 | 2021-11-18 | 黑龙江天有为电子有限责任公司 | Screen cover assembly for automobile dashboard, automobile dashboard, and automobile |
| WO2022062091A1 (en) * | 2020-09-22 | 2022-03-31 | 黑龙江天有为电子有限责任公司 | Segment code screen of automobile dashboard, automobile dashboard, and automobile |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063284A (en) * | 2019-11-16 | 2020-04-24 | 东风电驱动系统有限公司 | Coding and decoding method and device for symmetrically distributed segment code screen |
| CN111063284B (en) * | 2019-11-16 | 2022-09-02 | 东风电驱动系统有限公司 | Coding and decoding method and device for symmetrically distributed segment code screen |
| CN110884349A (en) * | 2019-11-21 | 2020-03-17 | 东风电驱动系统有限公司 | Combined instrument |
| CN110884349B (en) * | 2019-11-21 | 2025-07-01 | 东风电驱动系统有限公司 | A combination instrument |
| CN111532131A (en) * | 2020-05-14 | 2020-08-14 | 黑龙江天有为电子有限责任公司 | Automobile instrument central control combination device and automobile |
| CN111532129A (en) * | 2020-05-14 | 2020-08-14 | 黑龙江天有为电子有限责任公司 | A car dashboard and car |
| CN111532129B (en) * | 2020-05-14 | 2021-05-07 | 黑龙江天有为电子有限责任公司 | Motormeter dish and car |
| WO2021227176A1 (en) * | 2020-05-14 | 2021-11-18 | 黑龙江天有为电子有限责任公司 | Screen cover assembly for automobile dashboard, automobile dashboard, and automobile |
| CN111462656A (en) * | 2020-05-26 | 2020-07-28 | 延锋伟世通电子科技（上海）有限公司 | A car central control integrated black optical display device |
| WO2022062091A1 (en) * | 2020-09-22 | 2022-03-31 | 黑龙江天有为电子有限责任公司 | Segment code screen of automobile dashboard, automobile dashboard, and automobile |
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