CN106128311A - A kind of seamless spliced screen and bearing calibration thereof - Google Patents
A kind of seamless spliced screen and bearing calibration thereof Download PDFInfo
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- CN106128311A CN106128311A CN201610739844.7A CN201610739844A CN106128311A CN 106128311 A CN106128311 A CN 106128311A CN 201610739844 A CN201610739844 A CN 201610739844A CN 106128311 A CN106128311 A CN 106128311A
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- 238000012937 correction Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 239000011521 glass Substances 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
- 230000004313 glare Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
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- 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 seamless spliced screen and bearing calibration thereof, described connection screen 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, and described longitudinally connected device is used for transmitting data signal.The invention have the advantage that and on the one hand can be blocked the outdoor high light impact on its display effect by dark slide, the optical axis making LED backlight light source points to front lower place and then makes display screen major part light can enter the visual field of people, significantly improve display effect, the method using the comparison of display unit acquisition mode and Standard Map table, reduce image acquisition number of times, thus correction time can be shortened, improve correction efficiency.
Description
Technical field
The present invention relates to a kind of seamless spliced screen and bearing calibration thereof.
Background technology
The most common liquid crystal-spliced display floater arrived, such as the Spliced liquid crystal display screen such as Samsung, LG, AUO etc., does not has
There is the Spliced liquid crystal display screen being suitably applied outdoor display of maturation, although also there are release super brightness in these producers
2500cd/ display screen intended application shows in open air, but the most substantially finds, under summer high temperature weather, and nothing
Method bears outdoor high temperature and the machine power consumption superposition causes liquid crystal-spliced screen surfaces temperature rise seriously to exceed liquid crystal-spliced screen institute energy own
The limit of temperature rise born, shines into and shields body and rupture.Current LED display is under outdoor unobstructed open and intense light conditions
There is display effect poor, the shortcomings such as water proofing property is weak.
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.
Summary of the invention
The present invention is directed to the deficiency of existing product, and a kind of seamless spliced screen and bearing calibration thereof are provided, above-mentioned to solve
The problem proposed in background technology.
The seamless spliced screen of one of the present invention, described mosaic screen includes that display screen installs housing, multihead display unit；Described
Being provided with multihead display unit in display screen mounting shell body, described multihead display unit is made up of several independent display units,
Being connected by adapter between described display unit, described adapter includes lateral connector and longitudinally connected device, described laterally
Adapter is used for transmitting signal, and described longitudinally connected device is used for transmitting data signal, and the front of described display unit is anti-
Glaring glass, liquid crystal board and color filter plate；Described color filter plate is arranged between glare proof glass and liquid crystal board；The back side of display unit
Being provided with and be provided with a LED backlight light source, described LED backlight light source and control unit are electrically connected；
The panel outer layer of described multihead display unit screen body is provided with high transmission rate protection glass, above has and arranges in matrix form
Loophole, loophole is arranged over dark slide, and diagonally downward, the outer rim of dark slide is not less than dark slide in the horizontal direction
The upper limb of unthreaded hole；The front end of described multihead display unit is provided with image acquisition units, and described image acquisition units includes modulus
Transducer, image acquisition device；Described image acquisition device carries out image acquisition to multihead display unit, will figure through analog-digital converter
Pass to computer as information changes into digital information, described computer is provided with except mist processing module, image enhancement module,
Correction module, except digital information is passed to correction module, correction module digital information school by mist processing module, image enhancement module
Input multihead display unit the most afterwards.Described image acquisition device also includes 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.
The angle that the outside inclined downward of axis of described loophole is certain, the angle of the outside inclined downward of axis of loophole
Equal with the angle of inclination of dark slide.
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.
Further, described display screen is installed and is provided with water-proof sealing strip between housing and multihead display unit.
The invention also discloses the bearing calibration of a kind of seamless spliced screen, 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.6, on the one hand can be blocked the outdoor high light impact on its display effect by dark slide, on the other hand make LED-backlit light
The optical axis in source 3 points to front lower place and then makes display screen major part light can enter the visual field of people, significantly improves display effect, is suitable to
Outdoor environment uses.7, the method using the comparison of display unit acquisition mode and Standard Map table, reduces image acquisition number of times,
Thus correction time can be shortened, improve correction efficiency.
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 structural representation of the multihead display unit screen body of the present invention.
Fig. 4 is the structural representation of the image acquisition units of the present invention.
In figure: display screen installs housing 1, multihead display unit 2, loophole 21, dark slide 22, LED backlight light source 3, control
Unit 4 processed, base 5, image acquisition units 6, computer 7,.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
The seamless spliced screen of one of the present invention is mainly installed housing 1, multihead display unit 2, loophole 21 by display screen, is hidden
Tabula rasa 22, LED backlight light source 3, control unit 4, base 5, image acquisition units 6, computer 7, composition.
A kind of seamless spliced screen, described mosaic screen includes that display screen installs housing, multihead display unit；Described display screen is pacified
Being provided with multihead display unit in dress housing, described multihead display unit is made up of several independent display units, described display
Being connected by adapter between unit, described adapter includes lateral connector and longitudinally connected device, and described lateral connector is used
In transmission signal, described longitudinally connected device is used for transmitting data signal, the front of described display unit be 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 side of display unit is provided with all
Being provided with a LED backlight light source, described LED backlight light source and control unit are electrically connected；
The panel outer layer of described multihead display unit 2 screen body is provided with high transmission rate protection glass, above has and arranges in matrix form
The loophole 21 of cloth, loophole 21 is arranged over dark slide 22, and diagonally downward, the outer rim of dark slide 22 is in level side for dark slide 22
Upwards it is not less than the upper limb of loophole 21；The front end of described multihead display unit 2 is provided with image acquisition units 6, described image
Collecting unit 6 includes analog-digital converter, image acquisition device；Described image acquisition device carries out image acquisition to multihead display unit 2,
Through analog-digital converter, image information is changed into digital information and pass to computer 7, described computer 7 is provided with at except mist
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.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.
Being provided with light filter in described color filter plate, the color of described light filter is red, green, blue color.
The angle that the outside inclined downward of axis of described loophole 21 is certain, the outside inclined downward of axis of loophole 21
Angle is equal with the angle of inclination of dark slide 22.
Described display screen is installed housing 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 are integrated and connected, and described control unit is integrated with automatic safety device, described temperature detection core
Sheet gathers the ambient temperature of mosaic screen, and sends heat alarm to described according to described ambient temperature and preset alarm temperature
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.
Described display screen is installed and is provided with water-proof sealing strip between housing 1 and multihead display unit 2.
The invention also discloses the bearing calibration of a kind of seamless spliced screen, 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 seamless spliced screen of one of the present invention and bearing calibration thereof, practical, safe and reliable, by display unit it
Between adapter be set reach to combine the purpose driving whole mosaic screen, therefore without arranging multi-screen control in the outside of mosaic screen
Device and multiple Signals Transfer Board, and then achieve the reduction of cost and the simplification of technique；Achieve between display unit seamless
Splicing, the image integrity making display screen show can be good；Automatic safety device can prevent display screen temperature too high, causes circuit to burn
Ruin.Liquid crystal board is will not to be depleted or decay in the course of the work, and 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 (8)
1. a seamless spliced screen, is characterized in that, described mosaic screen includes that display screen installs housing (1), multihead display unit
(2)；Described display screen is provided with multihead display unit (2) in installing housing (1), described multihead display unit (2) have several solely
Vertical display unit composition, is connected by adapter between described display unit, and described adapter includes lateral connector and indulges
To adapter, described lateral connector is used for transmitting signal, and described longitudinally connected device is used for transmitting data signal, described aobvious
The front showing unit is glare proof glass, liquid crystal board and color filter plate；Described color filter plate be arranged on glare proof glass and liquid crystal board it
Between；The back side of display unit is provided with and is provided with a LED backlight light source (3), and described LED backlight light source (3) and control are single
Unit (4) is electrically connected；The panel outer layer of described multihead display unit (2) screen body is provided with high transmission rate protection glass, above has in matrix
Formula arrangement loophole (21), loophole (21) is arranged over dark slide (22), dark slide (22) diagonally downward, dark slide (22)
Outer rim be not less than the upper limb of loophole (21) in the horizontal direction；The front end of described multihead display unit (2) is provided with image
Collecting unit (6), described image acquisition units (6) includes analog-digital converter, image acquisition device；Described image acquisition device is to multi-screen
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
Strengthen module and digital information is passed to correction module, after the correction of correction module digital information, input multihead display unit (2)；Institute
State image acquisition device also include time of exposure module, gain module, biasing module, frame frequency module, window width module, window position module with
And spatial filter module.
The seamless spliced screen of one the most according to claim 1, is characterized in that, is provided with light filter, institute in described color filter plate
The color stating light filter is red, green, blue color.
The seamless spliced screen of one the most according to claim 1, is characterized in that, the axis of described loophole (21) is to outer lower side
Tilting certain angle, the angle of the outside inclined downward of axis of loophole (21) is equal with the angle of inclination of dark slide (22).
A kind of outdoor mosaic screen the most according to claim 1, is characterized in that, described display screen is installed housing (1) surrounding and set
It is equipped with temperature detection chip, described temperature detection chip and single-chip microcomputer to connect, described single-chip microcomputer and control unit (4) integrated company
Connecing, described control unit (4) is integrated with automatic safety device, and described temperature detection chip gathers the ambient temperature of mosaic screen, and
Heat alarm is sent to described single-chip microcomputer according to described ambient temperature and preset alarm temperature；Described single-chip microcomputer is according to described
Heat alarm sends power-off protection signal to automatic safety device.
The seamless spliced screen of one the most according to claim 4, is characterized in that, described automatic safety device is chopper.
The seamless spliced screen of one the most according to claim 1, is characterized in that, described adapter is thin film chip integrated component
Or flexible print circuit.
The seamless spliced screen of one the most according to claim 1, is characterized in that, described display screen installs housing (1) and multi-screen
Display unit is provided with water-proof sealing strip between (2).
8. a bearing calibration for seamless spliced screen, 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610739844.7A CN106128311A (en) | 2016-08-26 | 2016-08-26 | A kind of seamless spliced screen and bearing calibration thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610739844.7A CN106128311A (en) | 2016-08-26 | 2016-08-26 | A kind of seamless spliced screen and bearing calibration thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507579A (en) * | 2017-08-18 | 2017-12-22 | 上海中兴软件有限责任公司 | A kind of screen backlight control and method to set up, device, multi-screen terminal and storage medium |
| CN108831386A (en) * | 2018-06-27 | 2018-11-16 | 京东方科技集团股份有限公司 | Backlight module and its control method, splicing display device and its method for controlling backlight thereof, display module |
| CN108874246A (en) * | 2018-05-10 | 2018-11-23 | 深圳市志凌伟业技术股份有限公司 | A kind of large scale capacitance plate using seamless splicing structure |
| CN109637379A (en) * | 2019-01-03 | 2019-04-16 | 武汉思唯电子有限公司 | It is a kind of to realize optical seamless and the seamless mosaic screen production method of optics |
| CN109872681A (en) * | 2017-12-01 | 2019-06-11 | 上海航空电器有限公司 | A kind of warning light box OLED display control method based on ARM technology |
| WO2019134317A1 (en) * | 2018-01-08 | 2019-07-11 | 深圳市奥拓电子股份有限公司 | Full-screen correction method and correction system for led display screen, and storage medium |
| CN110379314A (en) * | 2019-07-23 | 2019-10-25 | 深圳市华星光电半导体显示技术有限公司 | A kind of seamless spliced screen |
| CN112382212A (en) * | 2020-12-03 | 2021-02-19 | 深圳市华星光电半导体显示技术有限公司 | Display panel, manufacturing method of display panel and display screen |
| CN113707005A (en) * | 2021-08-27 | 2021-11-26 | 浙江晶日科技股份有限公司 | High barrier propterty display screen |
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