CN110264944A - Oil price display system and its luminance compensation method - Google Patents
Oil price display system and its luminance compensation method Download PDFInfo
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- CN110264944A CN110264944A CN201910536386.0A CN201910536386A CN110264944A CN 110264944 A CN110264944 A CN 110264944A CN 201910536386 A CN201910536386 A CN 201910536386A CN 110264944 A CN110264944 A CN 110264944A
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- Prior art keywords
- mould group
- display area
- display
- point light
- oil price
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of oil price display systems, including control mould group, display module, driving mould group and timing module, the display module includes multiple display areas, each display area includes multiple point light sources, the driving mould group drives the display module work, the timing Mo Zu detects the luminous duration of each display area respectively, and the control mould group controls the driving mould group according to the luminous duration of the display area and generates the operating current that compensation driving signal compensates the point light source.The present invention also provides a kind of luminance compensation methods of oil price display system.Compared with the relevant technologies, oil price display system provided by the invention and its luminance compensation method detect the luminous duration of each display area by the way that timing Mo Zu is arranged respectively, mould group is controlled according to the operating current of shine duration and light decay Characteristics Control driving mould group generation compensation driving signal compensation display area, so that the display module forms the display picture of brightness uniformity.
Description
[technical field]
The invention belongs to light emitting display device field, in particular to the brightness correction of a kind of oil price display screen compensates
Technology.
[background technique]
Existing display screen is the composition display that shone by multiple light emitting diodes (LED, Liditted ed device) lamp
Valuation causes the decaying of point LED lamp different, and then lead to frequency of use since the frequency of use of the LED light of different zones is different
The LED light brightness in high region is lower than other regions, and especially from a distance, display is unclear, is easy to appear and misreads number
Situation.
[summary of the invention]
In order to overcome drawbacks described above, the present invention provides a kind of oil price display systems, and its object is to reduce due to difference
The light source frequency of use in region is different, causes point light source decaying different, and then lead to brightness of display screen problem of non-uniform.
The present invention is to solve technical solution used by its technical problem: a kind of oil price display system, including control
Mould group and display module, which is characterized in that the oil price display system further includes driving mould group and timing mould group, the timing mould
Group is connect with the control mould group and the display module respectively, and the display module passes through the driving mould group and the control
The connection of mould group, the display module includes multiple display areas, and each display area includes multiple point light sources, the driving mould group
The display module is driven to work, the timing Mo Zu detects the luminous duration of each display area, the control respectively
Mould group controls the driving mould group generation compensation driving signal according to the luminous duration of the point light source and compensates the point light source
Operating current.
Further the display area includes the point light source of multiple array settings, and multiple point light sources in each region are simultaneously
It shines and forms the display picture of brightness uniformity.
Further, the oil price display system has multiple display modules, and each display module is one
" day " character form structure, " day " character form structure include the first display area, the second display area, third display area, the 4th
Display area, the 5th display area, the 6th display area and the 7th display area, first display area, described second show
Show that region and third display area relative spacing are arranged in parallel, the 4th display area and the 5th display area point
It is not vertically installed in the opposite end of first display area and second display area and matches and is encircled into " mouth " font knot
Structure, the 6th display area and the 7th display area are respectively perpendicular and are set to second display area and the third
The opposite end of display area and with being encircled into " mouth " font structure.
Further, the oil price display system further includes temperature detection mould group, the temperature detection Mo Zu respectively with institute
It states control mould group to connect with the display module, the temperature detection mould group records the actual work temperature of the display area.
Further, the quantity of the timing mould group is identical as the quantity of the display area, each display area
It is correspondingly arranged the timing mould group, each timing mould group detects the point light source of the corresponding display area
Shine duration；The quantity of the temperature detection mould group is identical as the quantity of the display area, and each display area is corresponding
One thermograph is set, and each temperature detection mould group detects the real work of the corresponding display area
Temperature.
Further, according to point light source light decay characteristic to point light source light-emitting duration given threshold, described in different zones
When point light source light-emitting duration is more than given threshold, the control mould group controls the driving mould group and increases by described in corresponding region
Point light source electric current.
Further, the point light source is light emitting diode.
Further, the oil price display system further includes the storage mould group connecting with the control mould group, the storage
Mould group be used for prestore luminous duration and actual work temperature it is corresponding output electric current look-up table, the control mould group according to
Luminous duration, the actual work temperature of the point light source find corresponding output electric current in the look-up table to control the drive
Dynamic model group is output to the size of current of the corresponding display area.
Further, it is remote small by the point light source initialization electric current to control the drive module for the control mould group
In the maximum current of point light source work, adjustable space is reserved.
The present invention also provides a kind of oil price display brightness compensation methodes, include the following steps:
Display module and driving mould group are provided, the driving mould group drives the display module work, wherein the display
Mould group includes multiple display areas, and each display area includes the point light source of multiple synchronous workings；
Timing mould group is provided, the timing Mo Zu detects the luminous duration of the point light source of different display areas respectively, and obtains
Obtain the testing result of point light source light-emitting duration；
Control mould group is provided, the control mould group receives the point light source light-emitting duration from the timing mould group and detects knot
Fruit, and the operating current that compensation driving signal corrects the point light source is generated according to testing result.
Further, the luminance compensation method of the oil price display system also provides temperature detection mould group, the temperature
Detection Mo Zu detects the actual work temperature of the point light source of different display areas respectively, and obtains point light source actual work temperature
Testing result；
The control mould group receives the point light source light-emitting duration testing result from the timing mould group, and comes from the temperature
The testing result of the point light source actual work temperature of degree detection mould group, and generate compensation driving signal according to testing result and correct institute
State the operating current of point light source.
Compared with prior art, oil price display system provided by the invention and its luminance compensation method pass through setting timing mould
Group detects the luminous duration of each display area of display module respectively, and setting temperature detection Mo Zu detects display area respectively
Actual work temperature, and then according to luminous duration and actual work temperature and light decay Characteristics Control is combined to drive by control mould group
Mould group generates the operating current of compensation driving signal compensation display area, so that the display module forms the display of brightness uniformity
Picture.
[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, in which:
Fig. 1 is oil price display system architectures schematic diagram of the present invention；
Fig. 2 is display module structural schematic diagram of the present invention；
Fig. 3 is the luminance compensation method flow chart of oil price display system of the present invention.
[specific embodiment]
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
The present invention will be further explained with reference to the accompanying drawings and embodiments.
Fig. 1 and Fig. 2 is please referred to, the present invention provides a kind of oil price display system, and the oil price display system 100 includes
Control mould group 11, driving mould group 13, display module 15 and timing mould group 17, wherein the timing mould group 17 respectively with the control
Mould group 11 and the display module 15 connect, and the display module 15 is connected by the driving mould group 13 with the control mould group 11
It connects, the display module 15 includes multiple display area 151, and each display area 151 includes multiple point light sources
1510, the timing mould group 17 detects the luminous duration of each display area 151 respectively, and the control mould group 11 is according to institute
The light efficiency attenuation characteristic control driving mould group 13 for stating luminous duration and the point light source 1510 drives each viewing area
Domain 151 works, so that the brightness of each display area is consistent.
In the present embodiment, the display area 151 includes the point light source 1510 of multiple arrays setting, each display
Multiple point light sources 1510 in region 151 shine simultaneously forms the display picture of brightness uniformity, due to the point light in each region
Source all works at the same time, so the point light source light-emitting duration in each region is consistent, attenuation degree is almost consistent.
In the present embodiment, there are four the display modules 15 for being used to show number for the oil price display system, each
The display module 15 is all " day " character form structure, and " day " character form structure includes the first display area 1511, second
Display area 1512, third display area 1513, the 4th display area 1514, the 5th display area 1515, the 6th display area
1516 and the 7th display area 1517, wherein first display area 1511, second display area 1512 and described
Three display areas, 1513 relative spacing is arranged in parallel, and the 4th display area 1514 and the 5th display area 1515 are divided
It is not vertically installed in the opposite end of first display area 1511 and second display area 1512 and matches and is encircled into
" mouth " font structure, the 6th display area 1516 and the 7th display area 1517 are respectively perpendicular and are set to described second
The opposite end of display area and the third display area and with being encircled into " mouth " font structure.Such as to show digital " 1 ",
Then the 5th display area 1515 and the corresponding point light source light-emitting in the 7th display area 1517.
In the present embodiment, the corresponding timing mould group 17 in each described display area 151, the calculating mould group
17, which record the corresponding display area 151, shines duration, the hair that the control mould group 11 is recorded according to the timing mould group 17
The light time long light decay characteristic in conjunction with the point light source, control driving mould group 11 drive mould group 13 to generate compensation driving signal and compensate institute
The operating current of point light source is stated, the uniform region area source that shines is formed
As the improvement in the present embodiment, the oil price display system further includes temperature detection mould group 18, described in each
Display area 151 corresponds to a temperature detection mould group 18, and the temperature detection mould group 18 records the corresponding viewing area
151 actual work temperature of domain, the control mould group 11 are combined according to the actual work temperature that the temperature detection mould group 18 records
The light decay characteristic of the point light source, control driving mould group 11 drive mould group 13 to generate compensation driving signal and compensate the point light source
Operating current forms the uniform region area source that shines
The oil price display system further includes storage mould group 19, and the storage mould group 19 is for prestoring luminous duration and reality
The look-up table of the corresponding output electric current of operating temperature.In the look-up table, when can set a certain range of luminous
Long corresponding output electric current, for example, the duration that shines is in 200~300h, corresponding output electric current is 0.4A；The duration that shines is 300
~400h, corresponding output electric current are 0.5A；For actual work temperature at 35~40 degrees Celsius, corresponding current is to control described in 0.4A
Mould group 11 finds corresponding output according to the luminous duration and actual work temperature of the point light source 1510 in the look-up table
Electric current is to control the size of current that the driving mould group 13 is output to the corresponding display area.
The control mould group 11 controls the drive module 13 will be much smaller than by the initial current of the point light source 1510
The maximum current of the point light source 1510 will reserve intensity adjustable space, such as electric current maximum current is 1A, then initial electricity
Stream can be set as 0.3A, and reserved 0.7A adjusts brightness.
In the present embodiment, the point light source 1510 is light emitting diode.
Referring to Fig. 3, being based on oil price display system described above, the present invention also provides a kind of brightness of oil price display system
Compensation method comprising following steps:
Step S1, the driving mould group 13 drive the display module 15 to work, wherein the display module 15 includes more
A display area 151, each display area include the point light source 1510 of multiple synchronous workings；
Step S2, the timing mould group 17 detect the luminous duration of the point light source of different zones, and obtain point light source 1510
The testing result for the duration that shines；18 groups of the temperature detection mould detects the practical work of the point light source 1510 of different display areas respectively
Make temperature, and obtains the testing result of 1510 actual work temperature of point light source；
Step S3, the control mould group receive the point light source light-emitting duration testing result from the timing mould group 17, and
The testing result of point light source actual work temperature from the temperature detection mould group 18, and generate compensation according to testing result and drive
The operating current of point light source 1510 described in dynamic signal correction.
This example is by being arranged multiple display areas 151, each display area to oil price display system 100
The 151 corresponding timing mould groups 17 and a temperature detection mould group 18, the timing mould group 17 detect each display
The luminous duration in region 151, the temperature detection mould group 18 detect the actual work temperature of each display area 151, institute
Control mould group 11 is stated according to the luminous duration and actual work temperature and in conjunction with the light efficiency attenuation characteristic of the point light source 1510
The each display area work of the driving mould group driving is controlled, so that the brightness of each display area is consistent, is passed through
This scheme can be reduced since different zones point light source light decay degree is inconsistent, and display screen display brightness is caused unevenly to be asked
Topic.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical solution makes many possible changes and modifications or equivalent example modified to equivalent change.
Therefore, anything that does not depart from the technical scheme of the invention, according to the technical essence of the invention to above embodiments
Any simple modifications, equivalents, and modifications done, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (10)
1. a kind of oil price display system, including control mould group and display module, which is characterized in that the oil price display system is also wrapped
It includes driving mould group and timing mould group, the timing Mo Zu is connect with the control mould group and the display module respectively, it is described aobvious
Show that mould group is connect by the driving mould group with the control mould group, the display module includes multiple display areas, Mei Yixian
Show that region includes multiple point light sources, the driving mould group drives the display module work, and the timing Mo Zu is detected respectively respectively
The luminous duration of a display area, the control mould group control the driving mould group according to the luminous duration of the point light source
Generate the operating current that compensation driving signal compensates the point light source.
2. oil price display system as described in claim 1, which is characterized in that multiple pointolite arrays of each display area are set
It sets, and the driving current of multiple point light sources in each region is identical.
3. oil price display system as claimed in claim 2, which is characterized in that the quantity of the display module be it is multiple, each
Multiple display areas of the display module, which are matched, is encircled into " day " character form structure.
4. oil price display system as claimed in claim 3, which is characterized in that " day " character form structure includes the first viewing area
Domain, the second display area, third display area, the 4th display area, the 5th display area, the 6th display area and the 7th display
Region, first display area, second display area and third display area relative spacing are arranged in parallel, described
4th display area and the 5th display area are respectively perpendicular and are set to first display area and second viewing area
The opposite end in domain and with being encircled into " mouth " font structure, the 6th display area and the 7th display area are respectively perpendicular
It is set to the opposite end of second display area and the third display area and matches and be encircled into " mouth " font structure.
5. oil price display system as described in claim 1, which is characterized in that the oil price display system further includes temperature detection
Mould group, the temperature detection Mo Zu are connect with the control mould group and the display module respectively, the temperature detection mould group inspection
Survey the actual work temperature of the display area.
6. oil price display system as claimed in claim 5, which is characterized in that the quantity of the timing mould group and the viewing area
The quantity in domain is identical, and each display area is correspondingly arranged the timing mould group, each timing mould group detection with
The luminous duration of its corresponding display area；
The quantity of the temperature detection mould group is identical as the quantity of the display area, and each display area is correspondingly arranged one
A thermograph, each temperature detection mould group detect the actual work temperature of the corresponding display area.
7. oil price display system as described in claim 1 or 6, which is characterized in that the point light source is light emitting diode.
8. oil price display system as claimed in claim 5, which is characterized in that the oil price display system further includes and the control
The storage mould group of molding group connection, the storage mould group are used to prestore luminous duration and the corresponding output of actual work temperature
The look-up table of electric current, the control mould group is according to the luminous duration of the point light source, actual work temperature in the look-up table
Corresponding output electric current is found to control the size of current that the driving mould group is output to the corresponding display area.
9. a kind of luminance compensation method of oil price display system, which comprises the steps of:
Display module and driving mould group are provided, the driving mould group drives the display module work, wherein the display module
Including multiple display areas, each display area includes the point light source of multiple synchronous workings；
Timing mould group is provided, the timing Mo Zu detects the luminous duration of the point light source of different display areas respectively, and is sent out
The testing result of light time length；
Control mould group is provided, the control mould group receives the luminous duration testing result from the timing mould group, and according to inspection
It surveys result and generates the operating current that compensation driving signal corrects the point light source.
10. the luminance compensation method of oil price display system as claimed in claim 9, which is characterized in that the luminance compensation side
Method further include:
Temperature detection mould group is provided, the temperature detection Mo Zu detects the real work temperature of the point light source of different display areas respectively
Degree, and obtain actual work temperature testing result；
The control mould group receives the reality of luminous duration testing result and the temperature detection mould group from the timing mould group
Border operating temperature testing result, and the operating current that compensation driving signal corrects the point light source is generated according to testing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536386.0A CN110264944A (en) | 2019-06-20 | 2019-06-20 | Oil price display system and its luminance compensation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536386.0A CN110264944A (en) | 2019-06-20 | 2019-06-20 | Oil price display system and its luminance compensation method |
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| Publication Number | Publication Date |
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| CN110264944A true CN110264944A (en) | 2019-09-20 |
Family
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| CN201910536386.0A Pending CN110264944A (en) | 2019-06-20 | 2019-06-20 | Oil price display system and its luminance compensation method |
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