CN209000513U - It is a kind of to support automatic photosensitive and adjusting backlight luminance highlighted industrial display mould group - Google Patents
It is a kind of to support automatic photosensitive and adjusting backlight luminance highlighted industrial display mould group Download PDFInfo
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- CN209000513U CN209000513U CN201821923981.7U CN201821923981U CN209000513U CN 209000513 U CN209000513 U CN 209000513U CN 201821923981 U CN201821923981 U CN 201821923981U CN 209000513 U CN209000513 U CN 209000513U
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Abstract
The utility model provide it is a kind of support automatic photosensitive and adjusting backlight luminance highlighted industrial display mould group, belong to display module construction applications.The utility model includes shell, liquid crystal display die set inside the shell is set, LCD driving mainboard, highlighting backlight driving plate, automatic photosensitive head, capacitance touch screen, control the touch controller of capacitance touch screen, the liquid crystal display die set includes liquid crystal display and highlighting backlight lamp bar, the input terminal of the LCD driving mainboard is connected with automatic photosensitive head output end, the output end of the LCD driving mainboard is connected with liquid crystal display and highlighting backlight driving plate respectively, the interface of LCD driving mainboard external power supply and industrial control host is respectively provided on the front-end surface waterproof case, interface for the external industrial control host of touch controller.The utility model can automatically adjust display brightness, and making user under various circumstances has suitable brightness picture, in the low environment of intensity of illumination, reduce brightness, reduce backlight power consumption, energy-saving and emission-reduction.
Description
Technical field
The utility model relates to a kind of display module structure more particularly to a kind of automatic photosensitive and adjusting backlight luminances of support
Highlighted industrial display mould group.
Background technique
The industrial liquid crystal display substantially brightness of 10.4 cun of original-pack mould group is in 350nits or so on the market at present, in this way
Brightness applications ambient lighting outdoors it is strong in the case where, it will do not see Chu's picture, meanwhile, in the weaker environment of light
Under, such as night, brightness of display screen is too high, will increase the stimulation to human eye, and will also result in significant power consumption, is unfavorable for energy conservation
Emission reduction.
Utility model content
To solve the problems of the prior art, the utility model provide it is a kind of support it is automatic photosensitive and adjusting backlight luminance
Highlighted industrial display mould group.
The utility model includes front-end surface waterproof case, and the liquid crystal display mode in front-end surface waterproof case is arranged in
Group, LCD driving mainboard, highlighting backlight driving plate, automatic photosensitive head, capacitance touch screen, the touch controller for controlling capacitance touch screen,
Wherein, the liquid crystal display die set includes liquid crystal display and highlighting backlight lamp bar, the brightness range of the highlighting backlight lamp bar
For 800cd/ ㎡ -1500cd/ ㎡, the highlighting backlight driving plate is for driving the highlighting backlight lamp bar, the liquid crystal drive
The input terminal of mainboard is connected with automatic photosensitive head output end, the output end of the LCD driving mainboard respectively with liquid crystal display and
Highlighting backlight driving plate is connected, and is respectively provided with LCD driving mainboard external power supply and work on the front-end surface waterproof case
Control the interface of host, for the interface of the external industrial control host of touch controller.
The utility model is further improved, and further includes thermal sensing device, the output end and liquid crystal of the thermal sensing device
The input terminal of mainboard is driven to be connected.
The utility model is further improved, and the LCD driving mainboard includes power input interface, VGA analog signal view
Frequency input interface, DVI digital video signal input interface, LVDS signal output interface, backlight control interface, photosensitive control are compound
I/O mouthfuls, thermal sensing is I/O mouthfuls compound, wherein the power input interface is connect with outside 12V power supply adaptor；The VGA
Analog signal video input interface is connect by VGA signal wire with industrial control host, and DVI digital video signal input interface passes through
DVI signal wire is connect with industrial control host；The LVDS signal output interface passes through LVDS signal wire rod and liquid crystal display signal
Interface connection；The backlight control interface is connect by backlight wire rod with highlighting backlight driving plate；The photosensitive compound I/O of control
Mouth is connect by wire rod with automatic photoreceptor；Compound I/O mouthfuls of the thermal sensing is connect by wire rod with thermal sensing device.
The utility model is further improved, and the front-end surface waterproof case includes rear cover, center, panel and front
Frame, wherein the capacitance touch screen setting forms touching display screen, the automatic photosensitive head setting in liquid crystal display upper surface
Between the capacitance touch screen and liquid crystal display, the front plane frame and panel are on hollow structure, with touching display screen
Surface surrounding is fixedly connected, and the panel is arranged between touching display screen and front plane frame, and the center is fixed at liquid crystal
Between display screen and rear cover, the LCD driving mainboard, highlighting backlight driving plate, highlighting backlight lamp bar, thermal sensing device and touching
Control device is arranged on center.
The utility model is further improved, and is equipped between the front plane frame and panel, between panel and touching display screen
Marine glue.
The utility model is further improved, and the pressure screen edge strip for compressing the liquid crystal display is additionally provided on the center.
The utility model is further improved, the surrounding and be equipped with inclined convex that the panel inside connects with touching display screen
Platform, after the panel is fixedly connected with front plane frame, the top surface of the inclined-plane boss is higher by the front plane frame upper surface.
The utility model is further improved, the display brightness range of the liquid crystal display die set 250cd/ ㎡ extremely
1000cd/㎡。
Compared with prior art, the utility model has the beneficial effects that increasing automatic photosensitive adjustable backlight illumination, make
Obtain user has suitable brightness picture under various circumstances, in the low environment of intensity of illumination, reduces brightness, reduces backlight function
Consumption, energy-saving and emission-reduction；By the way that thermal sensing device is arranged, when the temperature of display module working environment is more than setting value, backlight is closed
With screen voltage output mould group is not worked to protect display module, greatly improves product safety performance；Dustproof and waterproof is improved and is produced
Product protective performance and service life.
Detailed description of the invention
Fig. 1 is the block diagram of the utility model；
Fig. 2 and Fig. 3 is the utility model decomposition texture schematic diagram；
Fig. 4 is structural schematic diagram after the utility model assembling.
Specific embodiment
The utility model is described in further details with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model includes front-end surface waterproof case, the liquid in front-end surface waterproof case is set
Brilliant display module, highlighting backlight driving plate, automatic photosensitive head, capacitance touch screen, controls capacitance touch screen at LCD driving mainboard
Touch controller, wherein the liquid crystal display die set includes liquid crystal display and highlighting backlight lamp bar, the highlighting backlight lamp bar it is bright
Degree range is 800cd/ ㎡ -1500cd/ ㎡, and the highlighting backlight driving plate is for driving the highlighting backlight lamp bar, the liquid
Crystalline substance driving mainboard input terminal be connected with automatic photosensitive head output end, the output end of the LCD driving mainboard respectively with liquid crystal
Show that device is connected with highlighting backlight driving plate, the external electricity of LCD driving mainboard is respectively provided on the front-end surface waterproof case
The interface of source and industrial control host, for the interface of the external industrial control host of touch controller, this example highlights industrial display mould group and is applying
12V power supply adaptor power supply outside middle needs, needs to connect industrial control host, receives the signal of industry control main clause output.
This example capacitance touching control screen is using support 10 touch of highest, WIN7 and system above free drive scheme.The touch controller
It is connect with industrial control host by USB line, when there is operation on touch screen, controller can read relevant information and pass through usb protocol
Industrial control host is passed to, realizes corresponding operation.
This example is replaced original-pack screen module lamp item using highlighting backlight lamp bar and is connect with highlighting backlight driving plate, the highlighted back
Tabula rasa is constant-current source driving, adjusts brightness.
The utility model connects 12V power supply and industrial control host to the LCD driving mainboard power interface and signaling interface of mould group
After signal, display module is worked normally.The signal picture of industrial control host output can be after liquid crystal drive board, in liquid crystal display
Screen display.The automatic photosensitive head of this example can be converted into PWM analog signal and be input to the luminance information of automatic sensing current environment
In LCD driving mainboard, the backlight that driving mainboard can automatically adjust highlighting backlight driving plate accordingly adjusts port, realizes automatic
The function of adjusting backlight luminance.
The automatic photosensitive head of this example includes photodiode, and compound I/O mouthfuls of LCD driving mainboard can read conversion
The brightness of analog signal progress dynamic regulation backlight.Variation of the extraneous brightness at 24 hours, so that user is under various circumstances
There is suitable brightness picture.It can still can see in the case where sunlight irradiates strong using highlighting backlight lamp bar
Picture.In addition, reducing brightness in the low environment of intensity of illumination, it will reduce backlight power consumption, energy-saving and emission-reduction meet product ring
Protect energy-efficient development trend.The automatic sensitization function of this example realizes the highlighted industrial display mould group of automatic adjustment the utility model
Brightness range in 250cd/ ㎡ to 1000cd/ ㎡.
Preferably, this example further includes thermal sensing device, the output end of the thermal sensing device and LCD driving mainboard it is defeated
Enter end to be connected.This example thermal sensing device includes digital heat sensitive chip, can incude the temperature change of external environment, be converted into correspondence
Digital signal characteristic.Compound I/O mouthfuls of LCD driving mainboard can read thermal sensing device by one-wire bus protocol
Temperature digital signal after the conversion of the inside, is performed corresponding processing by data.The highlighting backlight display module of this example is mainly answered
For open air, greatly due to ambient temperature variation, when the outside temperature is too high, it is possible to display module, therefore, this example can be damaged to
For excessively high environment temperature, overheating protection is carried out by setting thermal sensing device, improves Product Safety.
Temperature value can be set in user, when the temperature of display module working environment is more than setting value, closes backlight and screen
Voltage output makes mould group not work to achieve the purpose that protection.This example detects that environment temperature reaches 70 degree when thermal sensing device
When, shown LCD driving mainboard closes display module, when lower than 60 degree, then reopens display module.
Specifically, the LCD driving mainboard includes power input interface, VGA analog signal video input interface, DVI number
Word video signal input interface, LVDS signal output interface, backlight control interface, compound I/O mouthfuls of photosensitive control, thermal sensing is multiple
Close I/O mouthfuls, wherein the power input interface is connect with outside 12V power supply adaptor；The VGA analog signal video input
Interface is connect by VGA signal wire with industrial control host, and DVI digital video signal input interface passes through DVI signal wire and industry control master
Machine connection；The LVDS signal output interface is connect by LVDS signal wire rod with liquid crystal display signaling interface；The backlight
Control interface is connect by backlight wire rod with highlighting backlight driving plate；Compound I/O mouthfuls of the photosensitive control is by wire rod and automatically
Photoreceptor connection；Compound I/O mouthfuls of the thermal sensing is connect by wire rod with thermal sensing device.
As in Figure 2-4, this example structure is designed using surface IP65 dustproof and waterproof, the internal each components of integration and first device
Part.The front-end surface waterproof case includes rear cover 1, center 2, aluminum deck 4 and front plane frame 5, wherein the capacitance touch screen is set
It sets and forms touching display screen 3 in liquid crystal display upper surface, the automatic photosensitive head 9 is arranged in the capacitance touch screen and liquid crystal
Between display screen, the front plane frame 5 and aluminum deck 4 are the hollow structure to connect with touching display screen surrounding, are shown with touch-control
Shield 3 upper surface surroundings to be fixedly connected, the aluminum deck 4 is arranged between touching display screen 3 and front plane frame 5, and the center 2 is fixed
Setting is fixedly connected between liquid crystal display and rear cover 1, and with 5 side of front plane frame, and the rear cover 1 is fixed on the center 2
The back side, the through-hole of several installation wire rods and communication interface is additionally provided on the rear cover 1.The LCD driving mainboard 10, height
Blast plate 11, thermal sensing device 12 and the touch controller that bright backlight drive board increases bright backlight lamp bar composition are arranged on center 2.
The IP65 surface waterproofing dustproof construction design is that point glass marine glue is close between touch display screen 3 and structure
Envelope, so that surface reaches the design standard of IP65.Specifically, between the front plane frame 5 and aluminum deck 4, aluminum deck 4 and touch-control it is aobvious
Glass marine glue is equipped between display screen 3.
The 4 inside surrounding of aluminum deck is designed using inclined-plane boss, after buckling pressing with front plane frame 5, the inclined-plane boss
Top surface be higher by the upper surface of the front plane frame 5, the then seam crossing implantation glass waterproof of frame 5 and 4 surface of aluminum deck in front
Glue sealing；The touching display screen 3 is combined to form entirety between liquid crystal display and capacitance touch screen with 3M sticker,
Add one layer of marine glue between 3 contact portion of aluminum deck 4 and touching display screen, touching display screen 3 is pressed together on aluminum deck 4 and front
In mechanism after the combination of frame 5, and touching display screen 3 is locked into flat head screw 6 and is fixed on the stud 7 of 5 surrounding of front plane frame；It is described
Pressure screen edge strip 8 is fixed by screws in above center 2, and back-off presses fixed touching display screen 3, prevents touching display screen 3 from sinking；
The photosensitive head 9 is by 3M glue laminating between liquid crystal display and capacitance touch screen；The LCD driving mainboard 10 passes through spiral shell
Silk is fixed on the stud of center 2；The blast plate 11 is fixed by screws on the stud of center 2；The thermal sensing device
12 are screwed in above center 2.
This example surface IP65 waterproof construction is combined using front plane frame 5 and aluminum deck 4, can reduce design cost, is prevented simultaneously
Water dust-proof effect will be got well.Meanwhile inclined design is conducive to surface and has ponding that can be discharged in time.In whole design, it can simplify
Assembling product production design, achievees the purpose that improve efficiency.
To sum up, the utility model is mainly used in outdoor, semi-outdoor 10.4 cun of highlighted industrial display mould groups, supports certainly
Dynamic light, thermoinduction (high temperature early warning), IP65 water proof and dust proof, capacitance touching control support VGA signal and the input of DVI signal, meet big
The application of most industrial control hosts, while brightness automatic sensing and temperature sense being supported to control the function of display.It is automatic to improve screen
Curtain brightness can achieve protection high-brightness LED lamp item and extend the effect of backlight life, be adjusted according to ambient dynamic changes of strength aobvious
Show device brightness, effective protection eyes, and screen-picture can be clearly apparent under strong light, improve image quality, saves electric energy, band
Carry out good outdoor display experience.Intellisense environment temperature and the switch for controlling display can be more than to use temperature model
Preferably protection display screen is not damaged after enclosing, and when reaching in operating temperature range, can automatically turn on.Using capacitance touch screen
It can preferably realize man-machine interactive experience, while using the design of surface IP65, can preferably adapt to more complex
Outdoor environment protects display.
The specific embodiment of the above is the better embodiment of the utility model, and it is practical new not to limit this with this
The specific implementation range of type, the scope of the utility model includes being not limited to present embodiment, all according to the utility model
Made equivalence changes are within the protection scope of the present utility model.
Claims (8)
1. a kind of support automatic photosensitive and adjusting backlight luminance highlighted industrial display mould group, it is characterised in that: including front end
Surface waterproofing shell, the liquid crystal display die set being arranged in front-end surface waterproof case, LCD driving mainboard, highlighting backlight drive
Plate, automatic photosensitive head, capacitance touch screen, the touch controller for controlling capacitance touch screen, wherein the liquid crystal display die set includes liquid crystal
Display screen and highlighting backlight lamp bar, the brightness range of the highlighting backlight lamp bar are 800cd/ ㎡ -1500cd/ ㎡, described highlighted
Backlight drive board is for driving the highlighting backlight lamp bar, the input terminal of the LCD driving mainboard and automatic photosensitive head output end
It is connected, the output end of the LCD driving mainboard is connected with liquid crystal display and highlighting backlight driving plate respectively, the front-end table
The interface of LCD driving mainboard external power supply and industrial control host is respectively provided on the waterproof case of face, for the external work of touch controller
Control the interface of host.
2. highlighted industrial display mould group according to claim 1, it is characterised in that: it further include thermal sensing device, it is described
The output end of thermal sensing device is connected with the input terminal of LCD driving mainboard.
3. highlighted industrial display mould group according to claim 2, it is characterised in that: the LCD driving mainboard includes electricity
Source input interface, VGA analog signal video input interface, DVI digital video signal input interface, LVDS signal output interface,
Backlight control interface, compound I/O mouthfuls of photosensitive control, thermal sensing is I/O mouthfuls compound, wherein the power input interface and outside
The connection of 12V power supply adaptor；The VGA analog signal video input interface is connect by VGA signal wire with industrial control host, DVI
Digital video signal input interface is connect by DVI signal wire with industrial control host；The LVDS signal output interface passes through LVDS
Signal wire rod is connect with liquid crystal display signaling interface；The backlight control interface passes through backlight wire rod and highlighting backlight driving plate
Connection；Described compound I/O mouthfuls of photosensitive control is connect by wire rod with automatic photoreceptor；Compound I/O mouthfuls of the thermal sensing passes through
Wire rod is connect with thermal sensing device.
4. highlighted industrial display mould group according to claim 2, it is characterised in that: the front-end surface waterproof case packet
Include rear cover, center, panel and front plane frame, wherein the capacitance touch screen setting is aobvious in liquid crystal display upper surface composition touch-control
Display screen, the automatic photosensitive head are arranged between the capacitance touch screen and liquid crystal display, and the front plane frame and panel are
Hollow structure is fixedly connected with touching display screen upper surface surrounding, and the panel is arranged between touching display screen and front plane frame,
The center is fixed between liquid crystal display and rear cover, the LCD driving mainboard, highlighting backlight driving plate, highlighted back
Light lamp bar, thermal sensing device and touch controller are arranged on center.
5. highlighted industrial display mould group according to claim 4, it is characterised in that: between the front plane frame and panel,
Marine glue is equipped between panel and touching display screen.
6. highlighted industrial display mould group according to claim 4, it is characterised in that: be additionally provided on the center and compress institute
State the pressure screen edge strip of liquid crystal display.
7. highlighted industrial display mould group according to claim 4, it is characterised in that: shown on the inside of the panel with touch-control
Shield the surrounding to connect and be equipped with inclined-plane boss, after the panel is fixedly connected with front plane frame, the top surface of the inclined-plane boss is higher by
The front plane frame upper surface.
8. highlighted industrial display mould group according to claim 1-7, it is characterised in that: the liquid crystal display mode
The display brightness range of group is in 250cd/ ㎡ to 1000cd/ ㎡.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821923981.7U CN209000513U (en) | 2018-11-21 | 2018-11-21 | It is a kind of to support automatic photosensitive and adjusting backlight luminance highlighted industrial display mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821923981.7U CN209000513U (en) | 2018-11-21 | 2018-11-21 | It is a kind of to support automatic photosensitive and adjusting backlight luminance highlighted industrial display mould group |
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| CN209000513U true CN209000513U (en) | 2019-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675837A (en) * | 2019-09-23 | 2020-01-10 | Oppo广东移动通信有限公司 | Display screen assembly and electronic equipment |
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2018
- 2018-11-21 CN CN201821923981.7U patent/CN209000513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675837A (en) * | 2019-09-23 | 2020-01-10 | Oppo广东移动通信有限公司 | Display screen assembly and electronic equipment |
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