CN104485059A - Routing testing method and image-text system - Google Patents
Routing testing method and image-text system Download PDFInfo
- Publication number
- CN104485059A CN104485059A CN201410853995.6A CN201410853995A CN104485059A CN 104485059 A CN104485059 A CN 104485059A CN 201410853995 A CN201410853995 A CN 201410853995A CN 104485059 A CN104485059 A CN 104485059A
- Authority
- CN
- China
- Prior art keywords
- led
- dot matrix
- matrix screen
- sweep
- cabling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims description 95
- 238000010408 sweeping Methods 0.000 claims description 13
- 238000010998 test method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229940014425 exodus Drugs 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000002864 sequence alignment Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
The invention provides a routing testing method which is used for obtaining a routing mode of an LED lattice screen. The routing testing method comprises the steps that (A) according to driving instructions input by a user, at least one scanner of driving data are selected from N scanners of LED lattice screen, and point-by-point driving is carried out on LED lamp points corresponding to the at least one scanner; (B) the lightening sequence of the LED lamp points corresponding to the at least one scanner is recorded and (C) according to the scanning mode of the LED lattice screen of the N scanners and the lightening sequence of the LED lamp points corresponding to the at least one scanner, the routing mode of the LED lattice screen is determined. The invention further provides an image-text system which uses the routing testing method. According to the routing testing method and the image-text system using the same, based on the lightening sequence of the LED lamp points corresponding to the at least one scanner, the routing mode of the LED lattice screen is obtained, efficiency is high, the routing mode of any LED lattice screen can be obtained, and compatibility is good.
Description
Technical field
The present invention relates to display technique field, particularly a kind of method of testing of cabling and picture and text system.
Background technology
Light emitting diode (light emitting diode, LED) display screen is widely used due to advantages such as brightness are high, power consumption is little, stereoscopic sensation is strong.
LED display can be used for the various information such as word, figure showing change.LED display comprises the LED dot matrix screen be made up of the LED of multiple lines and multiple rows.LED display control system is for the light on and off of control LED dot matrix screen, thus control LED display shows various information.Fig. 1 is the module diagram of LED display control system in prior art.As shown in Figure 1, LED display control system comprises communication module 100, central processing unit (Central Processing Unit, CPU) module 101, driver module 102 and power module 103.Wherein, power module 103 is powered for giving communication module 100, CPU module 101 and driver module 102.The display data that communication module 100 exports for receiving host computer (not shown).CPU module 101 is for carrying out suitable scheduling, process to display data.Driver module 102 for the display data transmissions after CPU module 101 is processed to LED dot matrix screen.But the display data after CPU module 101 processes are according to physical angle from left to right, mode from top to bottom presses byte align, but each output terminal of driver module 102 is not according to physical angle one_to_one corresponding with LED dot matrix screen, namely for LED dot matrix screen, 8 points of Far Left that byte topmost may not be exactly the first character joint that driver module 102 controls, therefore, LED dot matrix screen can not directly show according to the display data after CPU module 101 process, and display data after need processing according to CPU module 101 and LED dot matrix screen normally show the required mapping relations of display data in order (also referred to as cabling table) and enter to show, its relation as shown in Figure 2.
But existing LED display is of a great variety, it can be divided into outdoor display screen according to application, indoor display screen, static state can be divided into according to scan mode (ratio of the line number of the line number lighted and whole LED array) simultaneously, 4 sweep, 8 sweep, 16 sweep, monochrome can be divided into according to color category, double-colored etc., and the manufacturer of LED display is also very many, therefore, the cabling of LED display is not fixed, the cabling of the LED display of variety classes different manufacturers may be different, the method of testing finding the cabling of any LED display of a kind of quick acquisition seems particularly important.
Summary of the invention
In view of above problem, the invention provides a kind of method of testing that can obtain the cabling of any LED dot matrix screen fast.
A kind of method of testing of cabling, it is for obtaining the cabling mode of LED dot matrix screen, and the test mode of described cabling comprises A) according to the driving instruction of user's input select from the LED dot matrix screen that N sweeps the driving data pointwise that at least sweeps drive described at least sweep corresponding LED point; What B) at least sweep corresponding LED point described in record lights order; And C) scan mode of LED dot matrix screen of sweeping according to described N and described at least sweep corresponding LED point light the cabling mode that order determines described LED dot matrix screen.
Preferably, steps A) before also comprise output low level the driving data initialization at least swept described at least sweep corresponding LED point; At least sweep corresponding LED point described in the driving data pointwise at least the swept driving of output high level, at least sweep corresponding LED point pointwise if described and light, then the LED point of described LED dot matrix screen is positive polarity; And if the described LED point pointwise at least sweeping correspondence is extinguished, then the LED point of described LED dot matrix screen is negative polarity.
Preferably, steps A) comprise the LED point that the described M of driving data pointwise driving selecting M to sweep from the LED dot matrix screen that N sweeps according to the driving instruction of user's input sweeps correspondence, wherein, M is the natural number being not more than N.
Preferably, step B) comprise lighting sequentially of the LED point at least sweeping correspondence in units of 8 LED points described in record.
Preferably, step C) comprise and inverted order record is carried out, to determine the cabling mode of described LED dot matrix screen to the described order of lighting at least sweeping corresponding LED point.
The present invention also provides a kind of picture and text system, and described picture and text system comprises driver module, cabling mode obtains module and power module.Described driver module be used for according to the driving instruction of user's input select from the LED dot matrix screen that N sweeps the driving data pointwise that at least sweeps drive described at least sweep corresponding LED point.Described cabling mode obtains module for what at least sweep corresponding LED point described in recording and lights order, and the scan mode of the LED dot matrix screen swept according to described N and described at least sweep corresponding LED point light the cabling mode that order determines described LED dot matrix screen; Described power module is used for powering described power module for powering to described cabling mode acquisition module, described driver module to described cabling mode acquisition module, described driver module.
Preferably, described driver module comprises at least one shift register.
Preferably, the driving data pointwise that described driver module is used for selecting M to sweep according to the driving instruction of user's input from the LED dot matrix screen that N sweeps drives described M to sweep corresponding LED point, and wherein, M is the natural number being not more than N.
Preferably, described cabling mode obtain module record in units of 8 LED points described at least sweep lighting sequentially of corresponding LED point.
Preferably, described cabling mode acquisition module carries out inverted order record, to determine the cabling mode of described LED dot matrix screen to the described order of lighting at least sweeping corresponding LED point.
The method of testing of cabling of the present invention and use its picture and text system to light according to what at least sweep corresponding LED point the cabling mode that order obtains LED dot matrix screen, efficiency is high, and can obtain the cabling mode of any LED dot matrix screen, and compatibility is good.
Accompanying drawing explanation
Fig. 1 is the module diagram of LED display control system in prior art.
Fig. 2 is that display data after CPU module process and LED dot matrix screen normally show the mapping relations schematic diagram of required display data in order.
Fig. 3 is the module diagram of the picture and text system of an embodiment of the present invention.
Fig. 4 is the circuit structure intention of the driver module of an embodiment of the present invention.
Fig. 5 is that the LED dot matrix screen of an embodiment of the present invention lights sequential schematic.
Fig. 6 is the picture and text system test result schematic diagram of an embodiment of the present invention.
Fig. 7 is the schematic flow sheet of the method for testing of the cabling of an embodiment of the present invention.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of display panels proposed according to the present invention, method, step, structure, feature and effect, be described in detail as follows.
Aforementioned and other technology contents, feature and effect for the present invention, can clearly present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of embodiment, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Fig. 3 is the module diagram of the picture and text system of an embodiment of the present invention.As shown in Figure 3, picture and text system comprises: key-press module 301, driver module 303, cabling mode obtain module 302 and power module 304.Key-press module 301 is for receiving the mode instruction of user's input, to control the mode of operation of picture and text system, and receiving the driving instruction of user's input, the driving data pointwise selecting at least to sweep from the LED dot matrix screen that N sweeps to control driver module 303 drives and at least sweeps corresponding LED point.Wherein, the mode of operation of picture and text system comprises cabling test pattern and normal displaying mode.When cabling mode obtains module 302 for being in cabling test pattern at picture and text system, what record at least swept corresponding LED point lighting order, and the scan mode of the LED dot matrix screen 40 swept according to N and at least sweep corresponding LED point light the cabling mode that order determines LED dot matrix screen 40.Power module 304 obtains module 302 power for giving the modules in picture and text system such as key-press module 301, driver module 303, cabling mode.
In an embodiment of the present invention, cabling mode obtains module 302 and comprises image capture device, and it is for gathering the lamp dot information of LED dot matrix screen 40, and this information is obtained LED point on LED dot matrix screen 40 through image processing and analyzing light order.Lighting of certain LED point sequentially also can be obtained by alternate manner, such as, be, by user, this is lighted order input, obtains module 302 lighting journal and preserving according to input by cabling mode.
In an embodiment of the present invention, picture and text system also comprises communication module 305, central processing unit (Central Processing Unit, CPU) module.The display data that communication module 305 exports for receiving host computer (not shown).CPU module 306 is for carrying out suitable scheduling, process to display data.Driver module 303 is also for when picture and text system process normal displaying mode, and the display data after processing according to CPU module 306 and cabling mode obtain the cabling mode output drive signal of the LED point lamp that module 302 obtains to LED dot matrix screen 40.
In an embodiment of the present invention, because the data polarity of different LED dot matrix screen 40 is different, that is, some LED dot matrix screens 40 are that, low level bright at high level is gone out, and some LED dot matrix screens 40 are that low level is bright, high level goes out, therefore, light the LED point of LED dot matrix screen 40 in pointwise before, the data polarity of LED dot matrix screen 40 need be judged.The driving data initialization at least swept of such as output low level at least sweeps corresponding LED point, then the driving data pointwise at least swept exporting high level drives and at least sweeps corresponding LED point, if at least sweep corresponding LED point pointwise to light, then the LED point of LED dot matrix screen 40 is positive polarity; If at least sweep corresponding LED point pointwise to extinguish, then the LED point of LED dot matrix screen 40 is negative polarity.
In an embodiment of the present invention, cabling mode obtains module 302 and also comprises storage unit, and storage unit is for storing the cabling mode of LED dot matrix screen 40.
Fig. 4 is the circuit structure intention of the driver module of an embodiment of the present invention.As shown in Figure 4, in an embodiment of the present invention, driver module comprises at least one shift register 401 (shown in figure 6).Each shift register 401 comprises multiple output terminal (shown in figure, 16 is out0 to out15), and each output terminal is used for a LED point at the corresponding driving LED dot matrix screen of synchronization.Wherein, the data of driving LED dot matrix screen arrive corresponding LED point place by displacement, the data being introduced into LED dot matrix screen extrude by data below, and then produce displacement, until sweep last point data end of transmission, each data just arrive the LED point place of its correspondence, that is, first LED point lighted should be registered as last LED point, namely needs the order of lighting to sweeping corresponding LED point to carry out inverted order record, to obtain the cabling mode of LED dot matrix screen.
Wherein, LED due to LED dot matrix screen is counted out more, and the LED swept of general LED dot matrix screen count out be 8 integral multiple, and every 8 LED points light time Order continuous, therefore, in order to reduce record difficulty, can record in units of 8 LED points and at least sweeping lighting sequentially of corresponding LED point.
Fig. 5 is that the LED dot matrix screen of an embodiment of the present invention lights sequential schematic.What Fig. 5 described is one and comprises 32*16 LED point, number of scans be 4 LED dot matrix screen and LED dot matrix screen on the shared shift register of four lines LED point, that is, carry out sweeping and pointwise can only light 1/4th LED points of LED dot matrix screen.
As shown in Figure 5, this figure is the chart shown on the software interface of host computer (such as PC), the LED point of LED dot matrix screen can be divided into physical arrangement, and (from left to right, 64 grid (0 to 63) from top to bottom), each grid represents 8 LED points.Solid arrow represents data approach axis and position, the LED point of the dashed arrows show data direction of extrusion and LED dot matrix screen light order.Wherein, every 8 LED points are one group, can sweep be divided into 1-16 totally 16 parts according to lighting order by the 1st.As shown in Figure 4, in scanning process, data are entered by the LED point of the 16th part, therefore, the LED point of the 16th part is bright at first, by multi-shift extruding, (data below can push data above, thus make data above produce displacement), the data entering LED dot matrix screen at first are finally extruded to the LED point place of part 1, the data finally entering LED dot matrix screen will be in the LED point place of the 16th part, now, the LED point that first of whole LED dot matrix screen is swept all is lighted such as: the first inverted order lighting order of sweeping is 48->32->16->0->49->33->17-Gr eatT.GreaT.GT1->50->34-Great T.GreaT.GT18->2->51-GreatT.G reaT.GT35->19->3, owing to selecting signal at change row, with carry out the second row sweep or the third line is swept or fourth line is swept time, the order and first of lighting of corresponding LED point is swept identical, therefore, that only need record the LED point sweeping correspondence lights the cabling mode that order can determine LED dot matrix screen, therefore, the cabling mode of LED dot matrix screen as shown in Figure 5 should be followed successively by the LED point place of LED point place to the 16th part of part 1, i.e. reverse i.e. (the 48->32->16->0->49->33->17-Gr eatT.GreaT.GT1->50->34-Great T.GreaT.GT18->2->51-GreatT.G reaT.GT35->19->3-GreatT.Grea T.GT52->36->20-GreatT.GreaT. GT4->53->37->2 1->5->54->36-G reatT.GreaT.GT22->6->55-Grea tT.GreaT.GT39->23->7-GreatT. GreaT.GT56->40-> of dotted arrow ...->27->11->60-Gr eatT.GreaT.GT44-> ...->31->15).
It should be noted that, 8 LED points in each grid are not light simultaneously, and as shown in Figure 4, it is lit successively from right to left, but because 8 LED points of each part are lit continuously, therefore can be one group with 8 LED points and carry out walking wire tag.
Fig. 6 is the picture and text system test result schematic diagram of an embodiment of the present invention.As shown in Figure 6, the display situation of Fig. 6 can correspond to the position of Fig. 5, and wherein the LED point of 16-11 part is all lighted, and the 10th part has lighted 6 LED points, and remainder is waited for and being lighted.Until first sweep all LED points be all lit time, can light according to what sweep corresponding LED point the cabling mode that order inverted order determine LED dot matrix screen.
Fig. 7 is the schematic flow sheet of the method for testing of the cabling of an embodiment of the present invention.As shown in Figure 7, a kind of method of testing of cabling, for obtaining the cabling mode of LED dot matrix screen, the method for testing of described cabling comprises:
Step S31: select the driving data pointwise at least swept to drive from the LED dot matrix screen that N sweeps according to the driving instruction of user's input and at least sweep corresponding LED point.
Step S32: record at least sweeps lighting sequentially of corresponding LED point.
In this step, such as, by user, this is lighted order to input upper computer software, by upper computer software lighting journal and preserving according to input, the input of certainly lighting order also can be coordinated by the image capture device being connected to upper computer software and automatically be completed by this upper computer software, be placed in this LED dot matrix screen opposite by image capture device and clearly can gather the lamp dot information of this dot matrix screen, this image capture device synchronous acquisition view data is controlled while upper computer software control LED dot matrix screen is lighted, what obtain LED point on dot matrix screen through image processing and analyzing lights order.
Step S33: the scan mode of the LED dot matrix screen swept according to N and at least sweep corresponding LED point light the cabling mode that order determines LED dot matrix screen.
Wherein, in step S33, scan mode refers in the viewing area that LED dot matrix screen is certain, the ratio of the line number simultaneously lighted and whole region line number, for the LED dot matrix screen (16 row physics LED point) shown in Fig. 5, it can only light 4 row when having swept, i.e. 4/16=1/4, be the 4 LED dot matrix screens swept, namely scan mode is 1/4 scanning.
In addition, the step S33, to select from four sweep of LED dot matrix screen 1 (ie, M = 1) drive-by-point data sweep drives the first sweep corresponding LED lights point (Figure 5), for example, know the LED dot matrix display screen is 4 sweep, according to the order of the first sweep of lights (48,32,16,0,49,33,17,1,50,34,18,2,51,35 , 19,3) launched the second sweep of lit class order (52,36,20,4,53,37,21,5,54,36,22,6,55,39,23,7), third The lights sweep sequence (56,40, ...... 27,11) and fourth sweep lit sequence (60,44, ...... 31,15), so for the user, as long as that of the first sweep of points Liang order in the PC software in order according to the rules of lights depicting exodus line sequence by scanning results after the other three sweep traces order, after combining to form a complete sequence alignment, namely (48- & gt ; 32- & gt; 16- & gt; 0- & gt; 49- & gt; 33- & gt; 17- & gt; 1- & gt; 50- & gt; 34- & gt; 18- & gt; 2- & gt; 51- & gt; 35 - & gt; 19- & gt; 3- & gt; 52- & gt; 36- & gt; 20- & gt; 4- & gt; 53- & gt; 37- & gt; 21- & gt; 5- & gt; 54- & gt; 36- & gt ; 22- & gt; 6- & gt; 55- & gt; 39- & gt; 23- & gt; 7- & gt; 56- & gt; 40- & gt; ...... - & gt; 27- & gt; 11- & gt; 60- & gt; 44- & gt; ...... - & gt; 31- & gt; 15).
Concrete, because the data polarity of different LED dot matrix screen is different, that is, some LED dot matrix screens are that, low level bright at high level is gone out, and some LED dot matrix screens are that low level is bright, high level goes out, therefore, before entering step S31, the data polarity of LED dot matrix screen need be judged.The driving data initialization at least swept of such as output low level at least sweeps corresponding LED point, then the driving data pointwise at least swept exporting high level drives and at least sweeps corresponding LED point, if at least sweep corresponding LED point pointwise to light, then the LED point of LED dot matrix screen 40 is positive polarity; If at least sweep corresponding LED point pointwise to extinguish, then the LED point of LED dot matrix screen 40 is negative polarity.
If the polarity of the LED point of LED dot matrix screen is negative polarity, then the driving data at least swept of output low level is to corresponding LED point, lights corresponding LED point with pointwise; And if the polarity of the LED point of LED dot matrix screen is positive polarity, then the driving data at least swept exporting high level, to corresponding LED point, lights corresponding LED point with pointwise.
In an embodiment of the present invention, LED due to LED dot matrix screen is counted out more, and the LED swept of general LED dot matrix screen count out be 8 integral multiple, and every 8 LED points light time Order continuous, therefore, in order to reduce record difficulty, can record in units of 8 LED points and at least sweeping lighting sequentially of corresponding LED point.
The method of testing of cabling of the present invention and use its picture and text system to light according to what at least sweep corresponding LED point the cabling mode that order obtains LED dot matrix screen, efficiency is high, and can obtain the cabling mode of any LED dot matrix screen, and compatibility is good.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a method of testing for cabling, for obtaining the cabling mode of LED dot matrix screen, is characterized in that, comprising:
A) according to the driving instruction of user's input select from the LED dot matrix screen that N sweeps the driving data pointwise that at least sweeps drive described at least sweep corresponding LED point;
What B) at least sweep corresponding LED point described in record lights order; And
The scan mode of the LED dot matrix screen C) swept according to described N and described at least sweep corresponding LED point light the cabling mode that order determines described LED dot matrix screen.
2. the test mode of cabling as claimed in claim 1, is characterized in that, steps A) also comprise before:
Corresponding LED point is at least swept described in the driving data initialization at least swept of output low level;
At least sweep corresponding LED point described in the driving data pointwise at least the swept driving of output high level, at least sweep corresponding LED point pointwise if described and light, then the LED point of described LED dot matrix screen is positive polarity; And
If at least sweep corresponding LED point pointwise to extinguish described, then the LED point of described LED dot matrix screen is negative polarity.
3. walk wire testing method as claimed in claim 1, it is characterized in that, steps A) comprising:
Drive described M to sweep corresponding LED point according to the driving data pointwise that the driving instruction of user's input selects M to sweep from the LED dot matrix screen that N sweeps, wherein, M is the natural number being not more than N.
4. the test mode of cabling as claimed in claim 1, is characterized in that, step B) comprising: what in units of 8 LED points, at least sweep corresponding LED point described in record lights order.
5. the test mode of cabling as claimed in claim 1, is characterized in that, step C) comprising: inverted order record is carried out, to determine the cabling mode of described LED dot matrix screen to the described order of lighting at least sweeping corresponding LED point.
6. a picture and text system, is characterized in that, described picture and text system comprises:
Driver module, the driving instruction for inputting according to user select from the LED dot matrix screen that N sweeps the driving data pointwise that at least sweeps drive described at least sweep corresponding LED point;
Cabling mode obtains module, at least sweep described in recording corresponding LED point light order and the scan mode of the LED dot matrix screen swept according to described N and described at least sweep corresponding LED point light the cabling mode that order determines described LED dot matrix screen; And
Power module, for giving, described cabling mode obtains module, described driver module is powered.
7. picture and text system as claimed in claim 6, it is characterized in that, described driver module comprises at least one shift register.
8. picture and text system as claimed in claim 6, it is characterized in that, the driving data pointwise that described driver module is used for selecting M to sweep according to the driving instruction of user's input from the LED dot matrix screen that N sweeps drives described M to sweep corresponding LED point, and wherein, M is the natural number being not more than N.
9. picture and text system as claimed in claim 6, is characterized in that, what at least sweep corresponding LED point described in described cabling mode acquisition module records in units of 8 LED points lights order.
10. picture and text system as claimed in claim 6, is characterized in that, described cabling mode obtains module and carries out inverted order record, to determine the cabling mode of described LED dot matrix screen to the described order of lighting at least sweeping corresponding LED point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853995.6A CN104485059A (en) | 2014-12-31 | 2014-12-31 | Routing testing method and image-text system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853995.6A CN104485059A (en) | 2014-12-31 | 2014-12-31 | Routing testing method and image-text system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104485059A true CN104485059A (en) | 2015-04-01 |
Family
ID=52759599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410853995.6A Pending CN104485059A (en) | 2014-12-31 | 2014-12-31 | Routing testing method and image-text system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104485059A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390089A (en) * | 2015-12-15 | 2016-03-09 | 深圳Tcl新技术有限公司 | Backlight system verification device |
| CN112394278A (en) * | 2020-11-06 | 2021-02-23 | 深圳Tcl数字技术有限公司 | Lamp panel wiring information generation method, test terminal and readable storage medium |
| CN113436572A (en) * | 2021-05-17 | 2021-09-24 | 卡莱特云科技股份有限公司 | Correction method and device irrelevant to direction of LED box body and LED display screen |
| CN114241964A (en) * | 2021-12-29 | 2022-03-25 | 卡莱特云科技股份有限公司 | Simulated lighting method, device and system of special-shaped LED display screen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008098934A (en) * | 2006-10-11 | 2008-04-24 | Nippon Telegr & Teleph Corp <Ntt> | Communication apparatus and communication system |
| KR20100054020A (en) * | 2008-11-13 | 2010-05-24 | (주)아이피피 | Dual mode led driving device |
| CN102411880A (en) * | 2011-12-26 | 2012-04-11 | 深圳市奥拓电子股份有限公司 | System and method for configuring load of LED display screen |
| CN102682702A (en) * | 2012-05-17 | 2012-09-19 | 苏州君嬴电子科技有限公司 | Configuration method and configuration system for LED (light-emitting diode) display screen |
| CN202473174U (en) * | 2011-12-26 | 2012-10-03 | 上海灵信信息科技有限公司 | LED display screen test controller |
| CN102800282A (en) * | 2012-08-17 | 2012-11-28 | 苏州君嬴电子科技有限公司 | Recognition method and recognition system of LED display screen |
| CN104167184A (en) * | 2014-08-28 | 2014-11-26 | 郑州瑞合信电子科技有限公司 | Method for automatically identifying scanning mode of LED unit plate and LED control card |
-
2014
- 2014-12-31 CN CN201410853995.6A patent/CN104485059A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008098934A (en) * | 2006-10-11 | 2008-04-24 | Nippon Telegr & Teleph Corp <Ntt> | Communication apparatus and communication system |
| KR20100054020A (en) * | 2008-11-13 | 2010-05-24 | (주)아이피피 | Dual mode led driving device |
| CN102411880A (en) * | 2011-12-26 | 2012-04-11 | 深圳市奥拓电子股份有限公司 | System and method for configuring load of LED display screen |
| CN202473174U (en) * | 2011-12-26 | 2012-10-03 | 上海灵信信息科技有限公司 | LED display screen test controller |
| CN102682702A (en) * | 2012-05-17 | 2012-09-19 | 苏州君嬴电子科技有限公司 | Configuration method and configuration system for LED (light-emitting diode) display screen |
| CN102800282A (en) * | 2012-08-17 | 2012-11-28 | 苏州君嬴电子科技有限公司 | Recognition method and recognition system of LED display screen |
| CN104167184A (en) * | 2014-08-28 | 2014-11-26 | 郑州瑞合信电子科技有限公司 | Method for automatically identifying scanning mode of LED unit plate and LED control card |
Non-Patent Citations (1)
| Title |
|---|
| 杨内: "LED显示屏智能配置的涉及与实现", 《现代显示》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390089A (en) * | 2015-12-15 | 2016-03-09 | 深圳Tcl新技术有限公司 | Backlight system verification device |
| CN112394278A (en) * | 2020-11-06 | 2021-02-23 | 深圳Tcl数字技术有限公司 | Lamp panel wiring information generation method, test terminal and readable storage medium |
| CN113436572A (en) * | 2021-05-17 | 2021-09-24 | 卡莱特云科技股份有限公司 | Correction method and device irrelevant to direction of LED box body and LED display screen |
| CN113436572B (en) * | 2021-05-17 | 2022-02-22 | 卡莱特云科技股份有限公司 | Correction method and device irrelevant to direction of LED box body and LED display screen |
| CN114241964A (en) * | 2021-12-29 | 2022-03-25 | 卡莱特云科技股份有限公司 | Simulated lighting method, device and system of special-shaped LED display screen |
| CN114241964B (en) * | 2021-12-29 | 2023-06-30 | 卡莱特云科技股份有限公司 | Simulation lighting method, device and system for special-shaped LED display screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104485059A (en) | Routing testing method and image-text system | |
| US9698906B2 (en) | Apparatus for receiving and transmitting optical information | |
| US11735097B2 (en) | Light-emitting diode display device and method of operating the same | |
| US20160293069A1 (en) | Signboard apparatus and signboard system | |
| TWI672587B (en) | Light-emitting control system and method | |
| CN108776789A (en) | Display panel and display device | |
| CN110021261A (en) | A kind of array substrate and its driving method, display panel | |
| CN102135718B (en) | Light source device, projection apparatus, and projection method | |
| US9311862B2 (en) | Backlight apparatus, control method therefor, and display apparatus | |
| CN104992676A (en) | Driving voltage control method, driving voltage control device, array substrate and display device | |
| CN102682702A (en) | Configuration method and configuration system for LED (light-emitting diode) display screen | |
| US20090121986A1 (en) | Display apparatus with solid state light emitting elements | |
| CN101916542B (en) | Image display device of LED panel television | |
| JP6343138B2 (en) | LED display device | |
| CN202205428U (en) | Tunnel advertisement | |
| CN114783366B (en) | Display method and device based on special-shaped module and LED display screen | |
| CN201204025Y (en) | Special-shaped display system | |
| CN103943068B (en) | Row scanning constant-current driven chip for LED high density display screen | |
| US9552753B1 (en) | Apparatus and method for inspection of display device pixels using photon collection | |
| CN111163566A (en) | Combined 3D RGB LED light cube device and control method with adjustable brightness and chromaticity | |
| CN103854608A (en) | LED display unit, LED display device and LED display system | |
| CN104282267A (en) | Active matrix organic light emitting diode display and its pixel control method | |
| KR101067524B1 (en) | Distributed scan type dynamic driving method of dot matrix module for light emitting diode display board | |
| CN109389923A (en) | Display panel and detection method of display panel | |
| CN107155356B (en) | Projection type display device and light source control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |
|
| RJ01 | Rejection of invention patent application after publication |