CN106128314A - A kind of indoor full-color mosaic screen and bearing calibration thereof - Google Patents
A kind of indoor full-color mosaic screen and bearing calibration thereof Download PDFInfo
- Publication number
- CN106128314A CN106128314A CN201610744388.5A CN201610744388A CN106128314A CN 106128314 A CN106128314 A CN 106128314A CN 201610744388 A CN201610744388 A CN 201610744388A CN 106128314 A CN106128314 A CN 106128314A
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- display unit
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- screen
- color
- mosaic screen
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000004313 glare Effects 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 7
- 238000012937 correction Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 9
- 238000013507 mapping Methods 0.000 claims description 9
- 239000003595 mist Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
-
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of indoor full-color mosaic screen, the full-color screen that connects in described indoor includes that display screen installs housing, multihead display unit；In described display screen mounting shell body, multihead display unit is installed, described multihead display unit is made up of several independent display units, connected by adapter between described display unit, described adapter includes lateral connector and longitudinally connected device, described lateral connector is used for transmitting signal, described longitudinally connected device is used for transmitting data signal, and described color filter plate is arranged between glare proof glass and liquid crystal board；The back side of display unit is provided with and is provided with a LED backlight light source, and described LED backlight light source and control unit are electrically connected.The invention have the advantage that arranging adapter between display unit reached to combine the purpose driving whole mosaic screen, therefore without arranging many screen controllers and multiple Signals Transfer Board in the outside of mosaic screen, and then the reduction of cost and the simplification of technique are achieved.
Description
Technical field
The present invention relates to a kind of indoor full-color mosaic screen and bearing calibration thereof.
Background technology
Existing large-screen or ultra-large type screen, be mostly to be spliced to form by multiple small screens.Multiple little
In the structure of type screen splicing, seamless link between screen and screen, cannot be accomplished.And often gap is the biggest.
The non-uniform phenomenon that the reasons such as the difference due to current display screen manufacturing process can cause display screen to show.In order to
Make up this defect, occur in that alignment technique, display screen whole-screen brightness and color can be improved by brightness and chromaticity correction means
Degree concordance, obtains more preferable image quality representability.With the problem solving to propose in above-mentioned background technology.
Summary of the invention
The present invention is directed to the deficiency of existing product, and a kind of indoor full-color mosaic screen and bearing calibration thereof are provided.To solve
The problem proposed in above-mentioned background technology.
The indoor full-color mosaic screen of one of the present invention, described mosaic screen includes that display screen installs housing, multihead display unit；
Being provided with multihead display unit in described display screen mounting shell body, described multihead display unit has several independent display unit group
Becoming, connected by adapter between described display unit, described adapter includes lateral connector and longitudinally connected device, described horizontal stroke
Being used for transmitting signal to adapter, described longitudinally connected device is used for transmitting data signal, and the front of described display unit is
Glare proof glass, liquid crystal board and color filter plate；Described color filter plate is arranged between glare proof glass and liquid crystal board；The back of the body of display unit
Face is provided with and is provided with a LED backlight light source, and described LED backlight light source and control unit are electrically connected.
The front end of described multihead display unit is provided with image acquisition units, and described image acquisition units includes analog digital conversion
Device, image acquisition device；Described image acquisition device carries out image acquisition to multihead display unit, is believed by image through analog-digital converter
Breath changes into digital information and passes to computer, is provided with except mist processing module, image enhancement module, correction in described computer
Module, except digital information is passed to correction module by mist processing module, image enhancement module, after the correction of correction module digital information
Input multihead display unit.Described image acquisition device also include time of exposure module, gain module, biasing module, frame frequency module,
Window width module, window position module and spatial filter module.
Further, being provided with light filter in described color filter plate, the color of described light filter is red, green, blue color.
Further, described display screen is installed housing surrounding and is provided with temperature detection chip, described temperature detection chip and list
Sheet machine connects, and described single-chip microcomputer and control unit are integrated and connected, and described control unit is integrated with automatic safety device, described temperature
Detection chip gathers the ambient temperature of mosaic screen, and sends heat alarm according to described ambient temperature and preset alarm temperature
To described single-chip microcomputer；Described single-chip microcomputer sends power-off protection signal to automatic safety device according to described heat alarm.
Further, described automatic safety device is chopper.
Further, described adapter is thin film chip integrated component or flexible print circuit.
A kind of bearing calibration of the full-color mosaic screen in indoor, described bearing calibration includes step:
Step S1, image acquisition units open image acquisition device, and to the time of exposure module of image acquisition device, gain mould
Block, biasing module, frame frequency module, window width module, window position module and spatial filter module are adjusted；Through analog-digital converter
Image information is changed into digital information and passes to computer；
Step S2, image information is debugged, computer export module control control unit makes multihead display unit with
Step circulation produces the test image signal that red, green, blue color is trichroism；
Step S3, by computer except mist processing module, image enhancement module, the image information gathered is carried out excellent
Change processes, and chooses measurement point, and selection of measuring point is positioned at the adjacent corner location of display unit of stitching portion；
Step S4；Are measured point by the image information of collection for correction module and standard gray angle value mapping table is compared, and leads to
Overregulate algorithm, comparing result is calculated and adjusts the mapping table produced after adjusting, by the output module of computer to many screen displays
Showing that unit inputs this table, the brightness after the display unit regulation of image acquisition units collection is L2, the brightness before regulation is L1, mark
The normal brightness of quasi-gray value mapping table is L, can be calculated twice difference；ΔL1=L2-L；Δ L=L1-L；If Δ L1＞ 0 is then
Continue next step to adjust, as | Δ L1| ＞ Δ L, this judge display unit as reaching normal brightness, regulation completes.
The invention has the beneficial effects as follows: 1, rational in infrastructure, it is easy to manufacture, low cost；2, practical, safe and reliable, logical
Cross and adapter is set between display unit reaches to combine the purpose driving whole mosaic screen, therefore without outside mosaic screen
Portion arranges many screen controllers and multiple Signals Transfer Board, and then achieves the reduction of cost and the simplification of technique；3, achieve
Between display unit seamless spliced, make the image integrity that display screen shows can be good；4, automatic safety device can prevent display screen
Temperature is too high, causes circuit burnout.5, liquid crystal board is will not to be depleted or decay in the course of the work, and caloric value is little, use the longevity
Life is long.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the present invention.
Fig. 2 is the structure schematic diagram of the present invention.
Fig. 3 is the correcting structure schematic diagram of the present invention.
In figure: display screen installs housing 1, multihead display unit 2, LED backlight light source 3, control unit 4, base 5, image
Collecting unit 6, computer 7.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
The indoor full-color mosaic screen of one of the present invention is mainly installed housing 1, multihead display unit 2, LED-backlit by display screen
Light source 3, control unit 4, base 5 form.
The full-color screen that connects in described indoor includes that display screen installs housing 1, multihead display unit 2；Described display screen installs housing 1
Inside being provided with multihead display unit 2, described multihead display unit 2 is made up of several independent display units, described display unit
Between connected by adapter, described adapter includes lateral connector and longitudinally connected device, and described lateral connector is used for passing
Passing signal, described longitudinally connected device is used for transmitting data signal, and the front of described display unit is glare proof glass, liquid crystal
Plate and color filter plate；Described color filter plate is arranged between glare proof glass and liquid crystal board；The back side of display unit is provided with and is respectively provided with
A LED backlight light source 3, described LED backlight light source 3 and control unit 4 is had to be electrically connected.The front end of described multihead display unit 2 sets
Being equipped with image acquisition units 6, described image acquisition units 6 includes analog-digital converter, image acquisition device；Described image acquisition device pair
Multihead display unit 2 carries out image acquisition, through analog-digital converter, image information is changed into digital information and passes to computer
7, described computer 7 is provided with except mist processing module, image enhancement module, correction module, except mist processing module, image enhaucament
Digital information is passed to correction module by module, inputs multihead display unit 2 after the correction of correction module digital information.Described image
Harvester also includes time of exposure module, gain module, biasing module, frame frequency module, window width module, window position module and space
Filtration module.
Being provided with light filter in described color filter plate, the color of described light filter is red, green, blue color.
Described display screen is installed housing 1 surrounding and is provided with temperature detection chip, described temperature detection chip and single-chip microcomputer even
Connecing, described single-chip microcomputer and control unit 4 are integrated and connected, and described control unit 4 is integrated with automatic safety device, described temperature detection
Chip gathers the ambient temperature of mosaic screen, and sends heat alarm to institute according to described ambient temperature and preset alarm temperature
State single-chip microcomputer；Described single-chip microcomputer sends power-off protection signal to automatic safety device according to described heat alarm.
Described automatic safety device is chopper.Described adapter is thin film chip integrated component or flexible print circuit.
A kind of bearing calibration of the full-color mosaic screen in indoor, described bearing calibration includes step:
Step S1, image acquisition units 6 open image acquisition device, and to the time of exposure module of image acquisition device, gain
Module, biasing module, frame frequency module, window width module, window position module and spatial filter module are adjusted；Through analog digital conversion
Image information is changed into digital information and passes to computer 7 by device；
Step S2, debugging image information, computer 7 output module controls control unit 4 makes multihead display unit 2
Synchronous circulating produces the test image signal that red, green, blue color is trichroism；
Step S3, by computer 7 except mist processing module, image enhancement module, the image information gathered is carried out
Optimization processes, and chooses measurement point, and selection of measuring point is positioned at the adjacent corner location of display unit of stitching portion；
Step S4；Are measured point by the image information of collection for correction module and standard gray angle value mapping table is compared, and leads to
Overregulate algorithm, comparing result is calculated and adjusts the mapping table produced after adjusting, by the output module of computer 7 to many screen displays
Showing that unit inputs this table, the brightness after the display unit regulation that image acquisition units 6 gathers is L2, the brightness before regulation is L1, mark
The normal brightness of quasi-gray value mapping table is L, can be calculated twice difference；ΔL1=L2-L；Δ L=L1-L；If Δ L1＞ 0 is then
Continue next step to adjust, as | Δ L1| ＞ Δ L, this judge display unit as reaching normal brightness, regulation completes.
The indoor full-color mosaic screen of one of the present invention, practical, safe and reliable, by the company of setting between display unit
Connect device and reach to combine the purpose driving whole mosaic screen, therefore without arranging many screen controllers and many in the outside of mosaic screen
Individual Signals Transfer Board, and then achieve the reduction of cost and the simplification of technique；Achieve between display unit seamless spliced, make to show
The image integrity that display screen shows can be good；Automatic safety device can prevent display screen temperature too high, causes circuit burnout.Liquid crystal board
Being will not to be depleted or decay in the course of the work, caloric value is little, service life is long.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology necks
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (6)
1. the full-color mosaic screen in indoor, is characterized in that, described mosaic screen includes that display screen installs housing (1), multihead display list
Unit (2)；Described display screen is provided with multihead display unit (2) in installing housing (1), and described multihead display unit (2) has several
Independent display unit composition, connects by adapter between described display unit, described adapter include lateral connector with
Longitudinally connected device, described lateral connector is used for transmitting signal, and described longitudinally connected device is used for transmitting data signal, described
The front of display unit is glare proof glass, liquid crystal board and color filter plate；Described color filter plate is arranged on glare proof glass and liquid crystal board
Between；The back side of display unit is provided with and is provided with a LED backlight light source (3), described LED backlight light source (3) and control
Unit (4) is electrically connected；The front end of described multihead display unit (2) is provided with image acquisition units (6), described image acquisition units
(6) analog-digital converter, image acquisition device are included；Described image acquisition device carries out image acquisition to multihead display unit (2), passes through
Image information is changed into digital information and passes to computer (7) by analog-digital converter, and described computer is provided with at except mist in (7)
Reason module, image enhancement module, correction module, except digital information is passed to straightening die by mist processing module, image enhancement module
Block, inputs multihead display unit (2) after the correction of correction module digital information.
The indoor full-color mosaic screen of one the most according to claim 1, is characterized in that, be provided with colour filter in described color filter plate
Sheet, the color of described light filter is red, green, blue color.
The indoor full-color mosaic screen of one the most according to claim 1, is characterized in that, described display screen installs housing (1) four
Being provided with temperature detection chip, described temperature detection chip and single-chip microcomputer week to connect, described single-chip microcomputer and control unit (4) are integrated
Connecting, described control unit (4) is integrated with automatic safety device, and described temperature detection chip gathers the ambient temperature of mosaic screen,
And send heat alarm to described single-chip microcomputer according to described ambient temperature and preset alarm temperature；Described single-chip microcomputer is according to institute
State heat alarm and send power-off protection signal to automatic safety device.
The indoor full-color mosaic screen of one the most according to claim 3, is characterized in that, described automatic safety device is open circuit
Device.
The indoor full-color mosaic screen of one the most according to claim 1, is characterized in that, described adapter is that thin film chip is integrated
Element or flexible print circuit.
6. a bearing calibration for the full-color mosaic screen in indoor, is characterized in that, described bearing calibration includes step:
Step S1, image acquisition units (6) open image acquisition device, and to the time of exposure module of image acquisition device, gain mould
Block, biasing module, frame frequency module, window width module, window position module and spatial filter module are adjusted；Through analog-digital converter
Image information is changed into digital information and passes to computer (7)；
Step S2, debugging image information, computer (7) output module controls control unit (4) makes multihead display unit
(2) synchronous circulating produces the test image signal that red, green, blue color is trichroism；
Step S3, by computer (7) except mist processing module, image enhancement module, the image information gathered is carried out excellent
Change processes, and chooses measurement point, and selection of measuring point is positioned at the adjacent corner location of display unit of stitching portion；
Step S4；Are measured point by the image information of collection for correction module and standard gray angle value mapping table is compared, and by adjusting
Joint algorithm, calculates comparing result and adjusts the mapping table produced after adjusting, by the output module of computer (7) to multihead display
Unit inputs this table, and the brightness after the display unit regulation that image acquisition units (6) gathers is L2, the brightness before regulation is L1, mark
The normal brightness of quasi-gray value mapping table is L, can be calculated twice difference；ΔL1=L2-L；Δ L=L1-L；If Δ L1＞ 0 is then
Continue next step to adjust, as | Δ L1| ＞ Δ L, this judge display unit as reaching normal brightness, regulation completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744388.5A CN106128314A (en) | 2016-08-26 | 2016-08-26 | A kind of indoor full-color mosaic screen and bearing calibration thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744388.5A CN106128314A (en) | 2016-08-26 | 2016-08-26 | A kind of indoor full-color mosaic screen and bearing calibration thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106128314A true CN106128314A (en) | 2016-11-16 |
Family
ID=57272709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610744388.5A Pending CN106128314A (en) | 2016-08-26 | 2016-08-26 | A kind of indoor full-color mosaic screen and bearing calibration thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799055A (en) * | 2017-11-13 | 2018-03-13 | 长春希达电子技术有限公司 | A kind of bearing calibration of LED display based on object of reference |
| CN109272876A (en) * | 2018-11-21 | 2019-01-25 | 威创集团股份有限公司 | A kind of splice displaying system |
| CN110413248A (en) * | 2019-08-21 | 2019-11-05 | 京东方科技集团股份有限公司 | A kind of mosaic screen adjustment method, mosaic screen and combination |
| CN113393776A (en) * | 2021-06-24 | 2021-09-14 | 深圳市华星光电半导体显示技术有限公司 | Tiled display device |
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| JPH08328511A (en) * | 1995-03-30 | 1996-12-13 | Toshiba Corp | Led display device and display control method therefor |
| CN1909627A (en) * | 2006-08-19 | 2007-02-07 | 刘平 | Large-scale indoor colorful display screen |
| CN102572374A (en) * | 2010-12-07 | 2012-07-11 | 沈阳理工大学 | Demisting image collection device |
| CN203259745U (en) * | 2013-04-25 | 2013-10-30 | 京东方科技集团股份有限公司 | Splicing screen |
| CN104299565A (en) * | 2014-10-13 | 2015-01-21 | 西安诺瓦电子科技有限公司 | Low grey scale correction method and system of LED display device |
| CN204576993U (en) * | 2013-08-21 | 2015-08-19 | 厦门市朗星节能照明股份有限公司 | LED display |
| CN204904189U (en) * | 2015-08-19 | 2015-12-23 | 德浩荣基电子科技吉林有限公司 | Concatenation screen temperature control system and concatenation screen |
| CN206040132U (en) * | 2016-08-26 | 2017-03-22 | 上海锐丽科技股份有限公司 | Indoor full -color concatenation screen |
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| JPH08328511A (en) * | 1995-03-30 | 1996-12-13 | Toshiba Corp | Led display device and display control method therefor |
| CN1909627A (en) * | 2006-08-19 | 2007-02-07 | 刘平 | Large-scale indoor colorful display screen |
| CN102572374A (en) * | 2010-12-07 | 2012-07-11 | 沈阳理工大学 | Demisting image collection device |
| CN203259745U (en) * | 2013-04-25 | 2013-10-30 | 京东方科技集团股份有限公司 | Splicing screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799055A (en) * | 2017-11-13 | 2018-03-13 | 长春希达电子技术有限公司 | A kind of bearing calibration of LED display based on object of reference |
| CN107799055B (en) * | 2017-11-13 | 2019-11-05 | 长春希达电子技术有限公司 | A kind of bearing calibration of the LED display based on object of reference |
| CN109272876A (en) * | 2018-11-21 | 2019-01-25 | 威创集团股份有限公司 | A kind of splice displaying system |
| CN109272876B (en) * | 2018-11-21 | 2020-12-11 | 威创集团股份有限公司 | Splicing display system |
| CN110413248A (en) * | 2019-08-21 | 2019-11-05 | 京东方科技集团股份有限公司 | A kind of mosaic screen adjustment method, mosaic screen and combination |
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| CN113393776A (en) * | 2021-06-24 | 2021-09-14 | 深圳市华星光电半导体显示技术有限公司 | Tiled display device |
| CN113393776B (en) * | 2021-06-24 | 2022-11-08 | 深圳市华星光电半导体显示技术有限公司 | Tiled display device |
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Application publication date: 20161116 |