CN104240624B - Display apparatus detection device and the detection method of display device, display system - Google Patents
Display apparatus detection device and the detection method of display device, display system Download PDFInfo
- Publication number
- CN104240624B CN104240624B CN201410373754.1A CN201410373754A CN104240624B CN 104240624 B CN104240624 B CN 104240624B CN 201410373754 A CN201410373754 A CN 201410373754A CN 104240624 B CN104240624 B CN 104240624B
- Authority
- CN
- China
- Prior art keywords
- display device
- light intensity
- display
- primary colors
- color
- 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.)
- Active
Links
Landscapes
- Alarm Systems (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention provides a kind of display apparatus detection device and the detection method of display device, display system, belongs to display device detection technique field, its problem that can solve to be difficult to be found in time when existing display device breaks down.The display apparatus detection device of the present invention includes: control unit, and for making display device show, predetermined test content, wherein said test content are the sprite of each primary colors of described display device；Collecting unit, for gathering the light intensity of each primary colors at display device when display device display test content；Comparing unit, the light intensity whether being respectively greater than other primary colors with predetermined test content color same primary color light intensity that is that gather for relatively described collecting unit, to judge that display device is the most normal.The detection display apparatus detection device of the present invention is particularly well-suited to detect the display device of the public places such as bus, subway, high ferro, building, elevator.
Description
Technical field
The invention belongs to display device detection technique field, be specifically related to a kind of display device
Detection device and the detection method of display device, display system.
Background technology
It is provided with substantial amounts of in public places such as bus, subway, high ferro, building, elevators
Display device (such as liquid crystal display), is used for playing specific program, advertisement, propaganda film etc..
These display devices use circumstance complication, and fault rate is higher；Again due to these display devices
Viewing object be ordinary populace, therefore people typically will not be to aobvious when they break down
Show that equipment network operator reports, cause its fault not found in time, result of broadcast is made
Become impact.
For solving problem above, existing method is that the display device network operator person of sending someone patrols one by one
Examine each display device, but this display device often quantity being located at public place is big, position
Put dispersion, thus patrol and examine that required personnel are many, cost is high, the longest, and cannot guarantee that
Find fault in time.
Summary of the invention
The technical problem to be solved includes, occurs for existing display device
The problem being difficult to during fault be found in time, it is provided that one can find display device event in time
The display apparatus detection device of barrier and the detection method of display device, display system.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of display device detection
Device, comprising:
Control unit, for making display device show predetermined test content, wherein said
Test content is the sprite of each primary colors of described display device；
Collecting unit, for gathering at display device when display device display test content
The light intensity of each primary colors；
Comparing unit is that gather with predetermined test content for relatively described collecting unit
Whether the light intensity of color same primary color is respectively greater than the light intensity of other primary colors, to judge display
Equipment is the most normal.
Preferably, described comparing unit gather for relatively described collecting unit with in advance
Whether the light intensity of fixed test content color same primary color is respectively greater than the light intensity of other primary colors
More than 2 times, if more than more than 2 times of light intensity of other primary colors, display device normally,
Otherwise otherwise.
The predictive content of the most described display device is red, green, blue list
Color picture；
Described control unit is red, green, blue for making display device show successively
The sprite of middle at least two primary colors.
It may further be preferable that described collecting unit is color sensor.
It may further be preferable that described control unit is for controlling when display device starting-up
Display device shows predetermined test content.
Preferably, described collecting unit is color sensor, and is located at described display and sets
One corner portion of standby display surface.
Preferably, display apparatus detection device also includes: reporting unit, and it is used for reporting
Accuse the comparative result of described comparing unit.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of display system, its
Including:
Display device；
For the above-mentioned display apparatus detection device that described display device is detected.
Solve the technology of the present invention problem and be employed technical scheme comprise that the inspection of a kind of display device
Survey method, comprising:
Controlling display device and show predetermined test content, wherein, described test content is
The sprite of each primary colors of described display device；
When display device display test content, gather the light intensity of each primary colors at display device；
Whether relatively gather is respectively greater than it with the light intensity testing content color same primary color
The light intensity of his primary colors, if being respectively greater than the light intensity of other primary colors, it is determined that display device is just
Often, on the contrary otherwise.
Preferably, the method also includes: by reporting unit haggling over comparing unit
Result is reported to designated terminal.
The display apparatus detection device of the present invention includes control unit, and it can make display device
Show predetermined test content, and collecting unit can gather now each primary colors at display device
Light intensity；When the red picture of display device display, the most now this collection
The light intensity of each primary colors that unit is collected should be red light intensity 255, green light in theory
Light intensity 0 strong by 0, blue, and the three primary colors of actually external environmental light is also intended to collected list
Unit collects, thus actual acquisition to the light intensity of each primary colors be probably red light intensity
230, green light intensity, 56, blue light intensity 62；So by comparing unit to each primitive color light
Compare by force, when collecting unit collected with test content color same primary color
When light intensity is respectively greater than the light intensity of other colors, then judge that display device is normal, and when adopting
Collection unit collected with test content color same primary color light intensity at least below other
During the light intensity of any one primary colors, then judge that display device breaks down, the most all right
By reporting unit, fault is reported, thus the fault of display device can be found in time and send
Personnel repair, and improve its result of broadcast.In other words, the display device of the present embodiment
Detection plant automation degree is higher, more intelligent.
The detection display apparatus detection device of the present invention be particularly well-suited to bus, subway,
The display device of the public places such as high ferro, building, elevator detects.
Accompanying drawing explanation
Fig. 1 is the composition schematic block of the display apparatus detection device of embodiments of the invention 1
Figure；
Fig. 2 is the flow chart of the detection method of the display device of embodiments of the invention 2.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, knot below
Close the drawings and specific embodiments the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of display apparatus detection device, as it is shown in figure 1, comprising:
Control unit, for making display device show predetermined test content, wherein said
Test content is the sprite of each primary colors of described display device；
Collecting unit, for gathering at display device when display device display test content
The light intensity of each primary colors；Wherein the light intensity of each primary colors at display device includes: display sets
The light intensity of the standby now sprite of actual displayed, and now ring residing for display device
The light intensity of each primary colors in border.
Comparing unit, gather for relatively described collecting unit with test content color phase
Whether the light intensity with primary colors is respectively greater than the light intensity of other primary colors, to judge that display device is
No normally.
It should be noted that generally display device includes the red green blue tricolor for display,
In the present embodiment, so-called sprite is exactly, red picture, green picture, blue picture
Face；Ambient light generally it is appreciated that white light, it also includes red green blue tricolor.
Simply illustrate as a example by ordinary circumstance in the present embodiment, and be also not limited to simply
Including the display device of red green blue tricolor, display device can also is that and includes this area skill
Art personnel may be appreciated the known primary colors such as yellow, transparent color, claret, purple.?
The fault of the display device described in the present embodiment includes: display device blue screen, blank screen,
Hua Ping etc..
The display apparatus detection device of the present embodiment includes control unit, and it can make display set
The test content that standby display is predetermined, and collecting unit can gather now each former at display device
The light intensity of color；When the red picture of display device display, the most now this is adopted
The light intensity of each primary colors that collection unit is collected should be red light intensity 255, green in theory
Light intensity 0, blue light intensity 0, and the three primary colors of actually external environmental light is also intended to collected
Unit collects, thus actual acquisition to the light intensity of each primary colors be probably red light intensity
230, green light intensity 56, blue light intensity 62；So by comparing unit to each primitive color light
Compare by force, when collecting unit collected with test content color same primary color
When light intensity is respectively greater than the light intensity of other colors, then judge that display device is normal, and when adopting
Collection unit collected with test content color same primary color light intensity at least below other
During the light intensity of any one primary colors, then judge that display device breaks down, the most all right
By reporting unit, fault is reported, thus the fault of display device can be found in time and send
Personnel repair, and improve its result of broadcast.In other words, the display device of the present embodiment
Detection plant automation degree is higher, more intelligent.
More accurate, by comparing in order to ensure that the present embodiment detection device is judged
The setting of unit, preferably comparing unit gather for relatively described collecting unit with survey
Whether the light intensity of examination content color same primary color is respectively greater than 2 times of the light intensity of other primary colors
Above, if more than 2 times of the light intensity more than other primary colors, display device is normal, otherwise
Otherwise.Specifically, when the red picture of display device display, collecting unit is gathered
The light intensity of each primary colors arrived is respectively red light intensity 230, green light intensity 56, blue light intensity
62, it is possible to understand that be, owing to the test content that display device is predetermined is red, if so
Green light intensity 56 when display device is normal, blue light intensity 62 must be two kinds of ambient light former
The light intensity of color, and red light intensity 230 must be red light intensity and the display device of ambient light
The superposition of red light intensity, and it will be understood by those skilled in the art that each of ambient light
Former light intensity magnitude is similar, thus when by the more described collecting unit of comparing unit
The light intensity with test content color same primary color gathered is respectively greater than the light intensity of other primary colors
2 times time display device normal, otherwise otherwise.
In order to the detection equipment of the present embodiment is applied in reality, testing result is more accurate,
Preferably, described control unit for make successively display device display red, green,
The sprite of at least two primary colors in blueness.The most just say control unit first so that
The red picture of display device display, is then come by above-mentioned collecting unit, comparing unit
Detection display device；Next control unit is by making the green picture of display device display,
, again to detection display device, in like manner to control by above-mentioned collecting unit, comparing unit again
Unit processed is by making display device show blue picture, of course for saving the detection time,
Preferably control unit make that display device display is red, green successively, in blueness two kinds
The sprite of primary colors.
The display apparatus detection device of the present embodiment can be used for detecting the work shape of display device
State, its display device detected can be liquid crystal display, Organic Light Emitting Diode show
Show the display device of any known type such as equipment.
Preferably, above-mentioned display device for be located at bus, subway, high ferro, building,
The display device of the public places such as elevator.
It is found as it was previously stated, more difficult when breaking down with display device in public places,
Therefore the display apparatus detection device of the present embodiment is preferably examined with to these display devices
Survey.If it will be clear that should be appreciated that with the display apparatus detection device of the present embodiment family
Display device etc. detect, be also feasible.
Above-mentioned control unit is for making display device show predetermined test content, and it is concrete
Can be ARM chip (such as LPC1754 cake core), ARM chip be simple, low cost,
Function can meet again needs, therefore is preferred.Of course it is to be understood that control unit
Object lesson is not limited to this, and it is alternatively programmable logic controller (PLC), micro-process
Other forms such as device.
Meanwhile, above-mentioned ARM chip (control unit) shows except being used for controlling display device
Outside test content, the most also can control reporting unit, and above-mentioned comparing function can be carried out
(the most also can be as comparing unit), say, that the multiple unit in the present embodiment are at hardware
On can be separate, but also can become one.
Preferably, control unit shows for controlling display device when display device starting-up
Predetermined test content；And test the monochrome that content is preferably each primary colors of this display device
Picture.
Wherein, display device generally includes " sub-pixel " of multiple different colours, no
Display device can be made to demonstrate the most required color with the combination of color sub-pixels, and
The kind of display device sub-pixel color, is i.e. referred to as " primary colors " of this display device.
Such as, the display device to RGB pattern (RGB pattern), its primary colors be exactly red,
Green, blue, thus when it is started shooting every time, control unit i.e. controls this display device
Driver Card, make display device show redness, green, blue trichromatic list successively
Color picture (the most every width picture shows 1 second).Certainly, for RGBY pattern (RGB
Yellow pattern), the display device of other patterns such as RGBW pattern (red, green, blue and white pattern), then
Its test content can increase yellow picture, white picture etc. accordingly.
The most preferably show test content when start, being because so can be after powering
Short time in complete test and have found that it is likely that the fault of existence in time, and in most time
The most all show normal content, therefore it is the least on the impact of normal viewing.
Certainly, if test content otherwise carry out showing also can, can be such as every
Every the scheduled time just display once, or for the display when receiving particular command etc..
And why use the primary colors picture of display device as test content, be because as
Really display device can normally show the picture of its each primary colors, then it goes out when showing other pictures
The probability of existing problem is the least, substantially can assert that it is working properly.
Of course it is to be understood that if using other pictures set in advance as in test
Hold, also possible.
Above-mentioned collecting unit is for gathering the actual content shown by display device, namely
Determine that display device really demonstrates is any picture on earth.
Preferably, now collecting unit is color sensor；It is furthermore preferred that color sensing
Device is for gathering the Show Color of a corner portion of the display surface of display device.
Clearly for sprite, as long as can determine that its color is also equal to determine it
Display content.Therefore, when testing content and being primary colors picture, available color sensor is made
For collecting unit to reduce cost, to simplify structure.Concrete, U.S. TAOS can be used
The TCS3472 chip of company is as color sensor, and this color sensor uses 8 pins
Small outline integrated circuit encapsulation (SOIC), a size of 3mm × 4mm, each of which chip
In be integrated with 64 photodiodes, these diodes are divided into four types.Wherein 16
Individual with red filter (only allowing through HONGGUANG), 16 band green filters (only allow
Through green glow), 16 band blue electric-wave filters (only allowing through blue light), 16 without filtering
Device (allows through all light)；The position of these photodiodes in chip cross arrangement with
Reduce the inhomogeneities of incident illumination to greatest extent；Meanwhile, with same color wave filter
Photodiode in parallel, to eliminate the site error of color；During work, by two
Programmable pin dynamically selects to open required wave filter.When the wave filter opening certain color
Time, the signal that the photodiode of its correspondence produces i.e. represents the light intensity of respective color light.
Further, this color sensor is preferably served only for gathering the display of display device
The Show Color of one corner portion in face.Such as, color sensor can be fixed or paste
Certain corner portion at the display surface of display device.
The most such, it is because color sensor being located at the corner of display surface to viewing
The view obstruction of person is the least, impacts substantially without to display.Meanwhile, through practice
Finding, the display device of most faults all shows as overall display white picture, black picture etc.,
Portion fault seldom there is and situation that other positions normally show；Therefore, logical
Chang Eryan, the display situation of display surface optional position can represent the feelings of whole display device
Condition, therefore also need not gather the display content of whole display surface.
Certainly, above-mentioned collecting unit is alternatively other forms, can be such as be used for gathering aobvious
Show photographic head or the video camera etc. of the image of the whole display surface of equipment.
As it was previously stated, above-mentioned comparing unit can become one with above-mentioned control unit, its
Actual displayed content for being gathered collecting unit compares with predetermined test content
Relatively (such as the color collected being compared with redgreenblue), it is judged that the two is the most identical；
According to its comparative result, i.e. can determine that whether display device is working properly.Concrete,
Color sensor (is produced the current signal of each color light intensity recognized by photodiode
Raw) it is converted into voltage signal and sends ARM chip to, ARM chip passes through chip internal
Computing unit voltage signal is analyzed, it is judged that whether this color and predetermined output
Solid colour.
Preferably, the display apparatus detection device of the present embodiment also includes: reporting unit,
This report unit is for reporting the comparative result of comparing unit, namely by certain side
Formula makes predetermined persons (such as, maintainer) know the result of detection.
Preferably, reporting unit is wireless transmitting unit, and it is for by the ratio of comparing unit
Relatively result is wirelessly transmitted to designated terminal.
It is to say, reporting unit is preferably wireless transmitting unit, thus can be by wireless
The form of transmission sends above-mentioned comparative result and (is such as sent to the clothes of display device network operator
Business device, thus display device network operator can know which display device breaks down in time).
Why such, it is because as it was previously stated, the display apparatus detection device master of the present embodiment
It is used for detecting the display of the public places such as bus, subway, high ferro, building, elevator
Equipment, and these display device quantity are big, position disperses, and is a lot in the most mobile
During, therefore more difficult report in other way.
It is furthermore preferred that wireless transmitting unit is used for the ratio of comparing unit by 2G network
Relatively result is sent to designated terminal, i.e. wireless transmitting unit can pass through existing 2G communication network
Network carries out result transmission, and now maintainer can be according to the comparison shown by designated terminal
Display device is keeped in repair by result.Accordingly, wireless transmitting unit can include 2G module,
The known structure such as SIM, GSM antenna；Concrete, 2G module can be ZTE Corporation
(ZTE) the MG2639_V3 chip of company, its comparative result is exported by ARM chip
In 2G module, and 2G module is in GSM antenna sends the result to 2G network.
The 2G wide network coverage, technology maturation, low cost, and its performance can meet need completely
Ask, therefore be preferred.
Certainly, being not the restriction to reporting unit with upper type, reporting unit also can be adopted
Take other forms report comparative result, such as, its also can take 3G, 4G, infrared, penetrate
Frequency waits other wireless transmission comparative result, or may be used without wired mode transfer ratio
Relatively result (display devices being in fixed position relative in elevator, building), thus
So that the situation of display device is preferably monitored by staff, and in time display is set
For carrying out maintenance process.
When display device normally works, it may not be necessary to report its testing result, as long as and
Report (during comparative result difference) when display device breaks down, in order to maintainer
In time fault is processed after receiving report.
Certainly, reporting unit also can take other report form, such as can be in inspection every time
All report after survey.
Wherein, this display apparatus detection device may also include some other structure, such as
For the power supply powered for other unit, the memory element that is connected with control unit (as electricity can
EPROM, for storage device numbering, SIM number) etc., at this not
Describe the most one by one.
The present embodiment also provides for a kind of display system, comprising:
Above-mentioned display device；
The above-mentioned display apparatus detection device that this display device is detected.
Obviously, this display system is preferably used in bus, subway, high ferro, building, electricity
The public places such as ladder.
Embodiment 2:
The present embodiment provides the detection method of a kind of display device, as in figure 2 it is shown, its bag
Include:
S01, display device is made to show predetermined test content by control unit, wherein,
Described test content is the sprite of each primary colors of described display device；
S02, display device display test content time, by described collecting unit collection show
Show the light intensity of each primary colors at equipment；
S03, by the more described collecting unit of comparing unit gather with test content color
Whether the light intensity of same primary color is respectively greater than the light intensity of other primary colors, if being respectively greater than other
The light intensity of primary colors, it is determined that display device is normal, otherwise otherwise.
S04, by reporting unit, the result of haggling over of comparing unit is reported to designated terminal.
The detection method of the display device that the present embodiment is provided is and showing in embodiment 1
Show that the method for work of assembly detection apparatus is corresponding, be not described here in detail.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present
And the illustrative embodiments used, but the invention is not limited in this.For ability
For those of ordinary skill in territory, in the situation without departing from spirit and substance of the present invention
Under, various modification and improvement can be made, these modification and improvement are also considered as the present invention's
Protection domain.
Claims (9)
1. a display apparatus detection device, it is characterised in that including:
Control unit, for making display device show predetermined test content, wherein said
Test content is the sprite of each primary colors of described display device；
Collecting unit, for gathering display when display device shows predetermined test content
The light intensity of each primary colors at equipment, wherein the light intensity of each primary colors at display device includes:
The light intensity of the sprite of display device now actual displayed, and now display device institute
The light intensity of each primary colors in the environment at place；
Comparing unit is that gather with predetermined test content for relatively described collecting unit
Whether the light intensity of color same primary color is respectively greater than the light intensity of other primary colors, to judge display
Equipment is the most normal.
Display apparatus detection device the most according to claim 1, it is characterised in that
Described comparing unit gather for relatively described collecting unit with appearance in predetermined test
Whether the light intensity of color same primary color is respectively greater than more than 2 times of the light intensity of other primary colors, if
More than more than 2 times of the light intensity of other primary colors, then display device is normal, otherwise otherwise.
Display apparatus detection device the most according to claim 1, it is characterised in that
The predictive content of described display device is red, green, blue sprite；
Described control unit is red, green, blue for making display device show successively
The sprite of middle at least two primary colors.
Display apparatus detection device the most according to claim 1, it is characterised in that
Described control unit shows predetermined survey for controlling display device when display device starting-up
Examination content.
Display apparatus detection device the most according to claim 1, it is characterised in that
Described collecting unit is color sensor, and is located at the display surface of described display device
A corner portion.
Display apparatus detection device the most according to claim 1, it is characterised in that
Also include:
Reporting unit, for reporting the comparative result of described comparing unit.
7. a display system, it is characterised in that including:
Display device；
For described display device is detected such as claim 1 to 6 in any one
Display apparatus detection device described in Xiang.
8. the detection method of a display device, it is characterised in that including:
Controlling display device and show predetermined test content, wherein, described test content is
The sprite of each primary colors of described display device；
When display device display test content, gather the light intensity of each primary colors at display device,
Wherein the light intensity of each primary colors at display device includes: display device now actual displayed
The light intensity of sprite, and the light of the now each primary colors in environment residing for display device
By force；
Whether relatively gather is respectively greater than it with the light intensity testing content color same primary color
The light intensity of his primary colors, if being respectively greater than the light intensity of other primary colors, it is determined that display device is just
Often, on the contrary otherwise.
The detection method of display device the most according to claim 8, it is characterised in that
Also include:
By reporting unit, the result of haggling over of comparing unit is reported to designated terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373754.1A CN104240624B (en) | 2014-07-31 | 2014-07-31 | Display apparatus detection device and the detection method of display device, display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373754.1A CN104240624B (en) | 2014-07-31 | 2014-07-31 | Display apparatus detection device and the detection method of display device, display system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104240624A CN104240624A (en) | 2014-12-24 |
| CN104240624B true CN104240624B (en) | 2016-09-28 |
Family
ID=52228603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410373754.1A Active CN104240624B (en) | 2014-07-31 | 2014-07-31 | Display apparatus detection device and the detection method of display device, display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104240624B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118411A (en) | 2015-09-22 | 2015-12-02 | 京东方科技集团股份有限公司 | Display screen detection method and device |
| CN109302604A (en) * | 2018-10-24 | 2019-02-01 | 深圳市万屏时代科技有限公司 | A kind of display screen health monitoring system |
| CN115314707B (en) * | 2022-10-11 | 2023-04-25 | 中兴系统技术有限公司 | Rail transit LCD screen fault detection method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001057836A1 (en) * | 2000-02-04 | 2001-08-09 | Hitachi, Ltd. | Image display method, image display apparatus and control circuit for use therein |
| CN1732484A (en) * | 2002-12-26 | 2006-02-08 | 迪布尔特有限公司 | Cash dispensing automated banking machine display failure detection system and method |
| CN202178039U (en) * | 2011-08-02 | 2012-03-28 | 章曙虹 | Detecting device for light-emitting diode (LED) display screen module |
| EP2437502A1 (en) * | 2010-09-29 | 2012-04-04 | Samsung Electronics Co., Ltd. | Display apparatus and control method thereof, shutter glasses and control method thereof, and display system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100945369B1 (en) * | 2003-06-30 | 2010-03-08 | 엘지디스플레이 주식회사 | Apparatus for testing display and method for testing the same |
-
2014
- 2014-07-31 CN CN201410373754.1A patent/CN104240624B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001057836A1 (en) * | 2000-02-04 | 2001-08-09 | Hitachi, Ltd. | Image display method, image display apparatus and control circuit for use therein |
| CN1732484A (en) * | 2002-12-26 | 2006-02-08 | 迪布尔特有限公司 | Cash dispensing automated banking machine display failure detection system and method |
| EP2437502A1 (en) * | 2010-09-29 | 2012-04-04 | Samsung Electronics Co., Ltd. | Display apparatus and control method thereof, shutter glasses and control method thereof, and display system |
| CN202178039U (en) * | 2011-08-02 | 2012-03-28 | 章曙虹 | Detecting device for light-emitting diode (LED) display screen module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104240624A (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104036707A (en) | Display device detection device and method and display system | |
| CN104217684B (en) | LED bad point processing method and LED display control method | |
| CN104240624B (en) | Display apparatus detection device and the detection method of display device, display system | |
| KR101113910B1 (en) | Led pixel diagnosis apparatus for led display board | |
| CN102184694A (en) | System and method for monitoring outdoor display screen by using video image and/or digital photo | |
| CN103024434A (en) | Automatic test system based on image matching | |
| CN105242232B (en) | Outdoor electrical energy meter fault self-verifying method | |
| CN104200775A (en) | LED defective pixel treatment method | |
| CN105759521B (en) | Measurement circuit for the liquid crystal display panel with half source drive pixel array | |
| CN102034407A (en) | Light-emitting diode screen color and brightness adjustment method and system | |
| CN105096788B (en) | The power consumption detection method and device of OLED display screen | |
| CN109471276A (en) | A kind of liquid crystal display colour cast defect inspection method and device | |
| CN103546723A (en) | Monitoring system and monitoring method | |
| CN109309528A (en) | State indication method, device and the optical module and test macro of optical module | |
| CN111948501B (en) | Automatic inspection equipment for power grid operation | |
| CN109803248A (en) | A kind of rapid automatized test method of Intelligent bracelet based on BLE4.0 | |
| CN107860559A (en) | Improve the intelligent AR testing agencies of product qualification rate | |
| CN111553918A (en) | Transformer thermal fault monitoring device and method based on transformer substation inspection robot | |
| CN105744261B (en) | The test system and method for testing of set top box front panel | |
| CN102646191B (en) | Method applied to recognition of flame image generated by gas combustion associated in oil drilling | |
| CN109775486A (en) | A kind of elevator operation monitoring system of view-based access control model intelligence | |
| CN101482445A (en) | Test method and apparatus for status indication lamp | |
| CN205318052U (en) | But display device of automated inspection trouble | |
| CN207807703U (en) | A kind of equipment permeability detection device combined with crusing robot | |
| CN109996061A (en) | The method for detecting abnormality and device of IR-CUT |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |