CN105390089A - Backlight system verification device - Google Patents
Backlight system verification device Download PDFInfo
- Publication number
- CN105390089A CN105390089A CN201510936873.8A CN201510936873A CN105390089A CN 105390089 A CN105390089 A CN 105390089A CN 201510936873 A CN201510936873 A CN 201510936873A CN 105390089 A CN105390089 A CN 105390089A
- Authority
- CN
- China
- Prior art keywords
- backlight
- control device
- steering order
- back light
- light system
- 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.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—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
-
- 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
- G09G3/3406—Control of illumination source
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a backlight system verification device. The backlight system verification device comprises a control device, a power supply module for providing power for the control device and an output interface which is connected with the control device and is used for allowing a driving device of a backlight lamp to be inserted. The control device pre-stores a plurality of control instructions for controlling lightening sequence of matrix backlight lamps. The control device is connected with trigger keys for controlling output of the control instructions respectively and indicator lamps for status indication when the control instructions are output correspondingly, wherein when the trigger key corresponding to one control instruction is pressed down, the control device outputs the corresponding control instruction to the driving device of the backlight lamp through an output interface so as to enable the driving device to drive the backlight lamp to display a pattern corresponding to the control instruction. The verification device can realize separate test of the driving device and the backlight lamp.
Description
Technical field
The present invention relates to backlight technology field, particularly relate to a kind of demo plant of back light system.
Background technology
At present, direct-type backlight technology, owing to can realize local dimming function (LOCALDIMMING), in various display device, is especially applied widely in televisor.So-called local dimming function is exactly that screen backlight is below divided into some groups: as 32 groups, 64 groups, 128 groups etc., often group form series system by some backlights, organizes number more, and get thinner, effect is better.The brightness often organizing lamp is decided by the brightness of picture, so just can make the better effects if shown, and more energy saving.The ultimate principle of local dimming function that Here it is.
Wherein, local dimming system is divided into driving and lamp bar, the dim signal that drive part is provided by application-specific integrated circuit reception mainboard, delivers to the drive unit of 16 passages after demodulation.Backlight is installed on the below of screen by the horizontal or perpendicular mode of putting by multiple lamp bar, according to screen correspondence 4 to 10 lamps of different size on every root lamp bar, after installing, the LED on all lamp bars is arranged in matrix shape.
And after backlight and drive unit part carry out, need to verify, with ensure lamp bar and drive unit qualified.And in prior art, for the checking of lamp bar and drive unit, conventional way is after final assembly, play TV signal, judge that whether the work of lamp bar and drive unit is abnormal by human eye, this mode can not be verified separately lamp bar and drive unit, goes wrong once its lamp bar of the TV assembled or drive unit, can only carry out keeping in repair or change corresponding parts, cumbersome.
Summary of the invention
Fundamental purpose of the present invention is the demo plant providing a kind of back light system, is intended to the independent checking realized backlight and drive unit thereof.
For achieving the above object, the present invention proposes a kind of demo plant of back light system, the demo plant of this back light system comprises control device, provide the power module of power supply to described control device and be connected with described control device and output interface for plugging backlight drive unit, described control device prestores multiple steering order lighting sequential for gating matrix backlight, and described control device is connected to the pilot lamp controlling to carry out state instruction when trigger key that steering order described in each exports and corresponding steering order described in each export; Wherein, when described in corresponding one, the trigger key of steering order is pressed, described control device exports corresponding steering order to described backlight drive unit by described output interface, drives described backlight to show and described steering order graph of a correspondence to make described drive unit.
Preferably, at least have a basic verification instruction in described steering order, this basic verification instruction is lighted successively for controlling described matrix backlight lamp ranks order.
Preferably, described basic verification instruction is used for controlling described matrix backlight lamp successively and lights successively to last column direction along the first row, and wherein every a line is according to sequential illumination from left to right or from right to left.
Preferably, at least there is in described steering order a character checking instruction, the character that described character checking instruction is preset for controlling the display of described matrix backlight lamp.
Preferably, at least there is in described steering order a graphic verification instruction, the figure that described graphic verification instruction is preset for controlling the display of described matrix backlight lamp.
Preferably, described trigger key is arranged on a key panel.
Preferably, described key panel is contact panel.
Preferably, pilot lamp described in each is arranged on described key panel.
Preferably, the glow color of pilot lamp described in each is different.
Preferably, power switch is connected with between described power module and described control device.
The output interface that the demo plant of this back light system comprises control device, provides the power module of power supply and be connected with described control device to described control device, described control device prestores multiple steering order lighting sequential for gating matrix backlight, and described control device is connected with and controls the trigger key that described in each, steering order exports.
The present invention prestores multiple control device lighting the steering order of sequential for gating matrix backlight by arranging, the power module of power supply is provided to described control device, to be connected with described control device and for plugging the output interface established to be measured and being connected with control device, and control the demo plant of the trigger key composition back light system that steering order described in each exports, after this demo plant connects backlight drive unit by output interface, by pressing trigger key, the drive unit of the steering order corresponding with trigger key to backlight is exported by output interface to make control device, light backlight to make the drive unit of backlight according to the steering logic of this steering order or make backlight light rear display graph of a correspondence, thus according to the duty of backlight judge backlight or drive unit whether working properly, thus, just the independent test to drive unit and backlight is achieved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, the structure according to these accompanying drawings can also obtain other accompanying drawing.
Fig. 1 is the structural representation of demo plant one embodiment of back light system of the present invention;
Fig. 2 is the structural representation of another embodiment of demo plant of back light system of the present invention;
Fig. 3 is the structural representation of the present invention's matrix backlight lamp to be tested.
Drawing reference numeral illustrates:
| Label | Title |
| 10 | Control device |
| 20 | Power module |
| 30 | Output interface |
| 40 | Trigger key |
| 50 | Pilot lamp |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Need explanation, all directivity instruction (such as up, down, left, right, before and afters in the embodiment of the present invention ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, relate to the description of " first ", " second " etc. in the present invention only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In addition; technical scheme between each embodiment can be combined with each other; but must be can be embodied as basis with those of ordinary skill in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not within the protection domain of application claims.
The present invention proposes a kind of demo plant of back light system, is applicable to verify the backlight of downward back electro-optical display device and drive unit.
With reference to Fig. 1, in embodiments of the present invention, the demo plant of this back light system comprises control device 10, there is provided the power module 20 of power supply to described control device 10 and to be connected with described control device 10 and for the output interface 30 of the drive unit that plugs backlight, described control device 10 prestores multiple steering order lighting sequential for gating matrix backlight, this steering order exports to establishes backlight drive unit, after this backlight drive unit, corresponding matrix backlight lamp can be made to light, and when lighting, different figures can be shown, so that determine that whether corresponding backlight is working properly, described control device 10 is connected to and controls the trigger key 40 that described in each, steering order exports, wherein, when described in corresponding one, the trigger key 40 of steering order is pressed, described control device 10 exports the drive unit of corresponding steering order to described backlight by described output interface 30, drives described backlight to show and described steering order graph of a correspondence to make described drive unit.
In this embodiment, power module 20 can be adapter, being supplied to control device 10, to make control device 10 power on, after control device 10 powers on, being in holding state by AC power being carried out voltage transitions in after corresponding direct supply.Wherein, output interface 30 can adopt SPI (SerialPeripheralInterface, Serial Peripheral Interface (SPI)) to realize.When Test driver device or backlight, be all be connected with drive unit by this output interface 30, to export corresponding steering order.Then drive unit connects backlight, shows the result by backlight.It should be noted that, during independent Test driver device, select the backlight tested, during test backlight, select drive unit good after tested, like this, just can ensure the accuracy of testing.
Be understandable that, by the sequential that gating matrix backlight is lighted, make matrix backlight lamp according to the sequential illumination preset or show different figures, thus according to the duty of backlight judge backlight or drive unit whether working properly, thus, the independent test to drive unit and backlight is just achieved.
Be understandable that in one embodiment, at least have a basic verification instruction in described steering order, this basic verification instruction is used for controlling described matrix backlight lamp ranks order successively and lights successively, and the order of lighting of ranks does not limit.Preferably, this basic verification instruction is used for controlling described matrix backlight lamp successively and lights successively to last column direction along the first row, and wherein every a line is according to sequential illumination from left to right or from right to left.Such as matrix backlight lamp arranges as shown in Figure 2, when adopting this basic controlling instruction to control, first the L1 of the first row is lighted, then be L2, L3, L4 of the first row, the L5 to L8 of the second row again, until last column is lighted complete, like this, the duty of each backlight can be judged accurately.This mode can ensure to carry out complete checking to all backlights and drive unit.It should be noted that, this basic verification instruction can also be light successively to last column direction along first row for controlling described matrix backlight lamp successively, and wherein each row is according to sequential illumination from top to bottom or from the bottom to top, take Fig. 3 as reference.
Being understandable that, other modes can also being adopted to realize to the checking of backlight or drive unit, such as, the duty of backlight or drive unit can also be judged further by showing default character and figure.
Particularly, in one embodiment, at least there is in described steering order a character checking instruction, the character that described character checking instruction is preset for controlling the display of described matrix backlight lamp.
In another embodiment, at least there is in described steering order a graphic verification instruction, the figure that described graphic verification instruction is preset for controlling the display of described matrix backlight lamp.
These two kinds of test modes can coordinate the test mode of basic verification instruction, improve the accuracy of test.
Be understandable that, above-mentioned trigger key 40 can be the button arranged separately, also can be wholy set on a key panel (scheming not shown).Wherein, described key panel is preferably contact panel.It should be noted that, no matter current is any state, as long as the trigger key 40 1 of corresponding a certain steering order is pressed, then control device 10 exports corresponding steering order by output interface 30.
In addition, described control device 10 is connected with the pilot lamp 50 carrying out state instruction when corresponding steering order described in each exports.This pilot lamp 50 can facilitate tester check and confirm current test state.Wherein, the glow color of pilot lamp 50 described in each can be identical, also can be different.When trigger key 40 is pressed, then corresponding pilot lamp 50 is lighted, to indicate simultaneously.
It should be noted that, in the embodiment of above-mentioned key panel, pilot lamp 50 described in each is preferably disposed on described key panel, checks current test mode with convenient tester.
Further, be provided with power switch between described power module 20 and described control device 10, so that the demo plant controlling this back light system works on power, after powering on, control device 10 is in holding state.Wherein, can arrange further, described control device 10 is connected with the power light 50 carrying out power supply status instruction.In this embodiment, described power light 50 is preferably emitting red light LED, so that distinguish with other pilot lamp 50.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every under inventive concept of the present invention; utilize the equivalent structure transformation that instructions of the present invention and accompanying drawing content are done, or directly/be indirectly used in other relevant technical fields to include in scope of patent protection of the present invention.
Claims (10)
1. the demo plant of a back light system, it is characterized in that, comprise control device, the power module of power supply is provided to described control device and is connected with described control device and for the output interface of the drive unit that plugs backlight, described control device prestores multiple steering order lighting sequential for gating matrix backlight, and described control device is connected to the pilot lamp controlling to carry out state instruction when trigger key that steering order described in each exports and corresponding steering order described in each export; Wherein, when described in corresponding one, the trigger key of steering order is pressed, described control device exports the drive unit of corresponding steering order to described backlight by described output interface, drives described backlight to show and described steering order graph of a correspondence to make described drive unit.
2. the demo plant of back light system as claimed in claim 1, is characterized in that at least having a basic verification instruction in described steering order, and this basic verification instruction is lighted successively for controlling described matrix backlight lamp ranks order.
3. the demo plant of back light system as claimed in claim 2, it is characterized in that, described basic verification instruction is used for controlling described matrix backlight lamp successively and lights successively to last column direction along the first row, and wherein every a line is according to sequential illumination from left to right or from right to left.
4. the demo plant of back light system as claimed in claim 1, is characterized in that, at least has a character checking instruction in described steering order, the character that described character checking instruction is preset for controlling the display of described matrix backlight lamp.
5. the demo plant of back light system as claimed in claim 1, is characterized in that at least having a graphic verification instruction in described steering order, the figure that described graphic verification instruction is preset for controlling the display of described matrix backlight lamp.
6. the demo plant of the back light system as described in any one of claim 1 to 5, is characterized in that, described trigger key is arranged on a key panel.
7. the demo plant of back light system as claimed in claim 6, it is characterized in that, described key panel is contact panel.
8. the demo plant of back light system as claimed in claim 7, it is characterized in that, pilot lamp described in each is arranged on described key panel.
9. the demo plant of back light system as claimed in claim 1, is characterized in that, the glow color of pilot lamp described in each is different.
10. the demo plant of back light system as claimed in claim 1, is characterized in that, be connected with power switch between described power module and described control device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510936873.8A CN105390089B (en) | 2015-12-15 | 2015-12-15 | The verifying device of back light system |
| PCT/CN2016/084298 WO2017101261A1 (en) | 2015-12-15 | 2016-06-01 | Verification device for backlight system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510936873.8A CN105390089B (en) | 2015-12-15 | 2015-12-15 | The verifying device of back light system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105390089A true CN105390089A (en) | 2016-03-09 |
| CN105390089B CN105390089B (en) | 2019-02-01 |
Family
ID=55422317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510936873.8A Active CN105390089B (en) | 2015-12-15 | 2015-12-15 | The verifying device of back light system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105390089B (en) |
| WO (1) | WO2017101261A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101261A1 (en) * | 2015-12-15 | 2017-06-22 | 深圳Tcl新技术有限公司 | Verification device for backlight system |
| CN109859661A (en) * | 2019-03-29 | 2019-06-07 | 深圳创维－Rgb电子有限公司 | A kind of backlight detection circuit, method, apparatus and television set |
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| EP0209836A1 (en) * | 1985-07-17 | 1987-01-28 | Sharp Kabushiki Kaisha | Data processing machine |
| CN2287741Y (en) * | 1996-09-13 | 1998-08-12 | 中国航天工业供销总公司 | Streamer type picture and text displayer |
| CN1949797A (en) * | 2006-11-15 | 2007-04-18 | 华为技术有限公司 | Mobile terminal and control method thereof |
| CN102077266A (en) * | 2008-07-11 | 2011-05-25 | 夏普株式会社 | Backlight drive device, display device using the same, and backlight drive method |
| US20130002168A1 (en) * | 2011-06-29 | 2013-01-03 | Verde Designs, Inc. | Programmable solid state illuminating system and the controlling method thereof |
| CN103413529A (en) * | 2006-04-14 | 2013-11-27 | Nlt科技股份有限公司 | Backlight system, liquid crystal display including the same, and method of adjusting backlight |
| CN104240627A (en) * | 2014-09-18 | 2014-12-24 | 深圳市显创光电有限公司 | Liquid-crystal display module testing device |
| CN104485059A (en) * | 2014-12-31 | 2015-04-01 | 西安诺瓦电子科技有限公司 | Routing testing method and image-text system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102752446B (en) * | 2012-06-05 | 2015-02-11 | 惠州Tcl移动通信有限公司 | Method and system for controlling back lighting of mobile terminal screen |
| CN105390089B (en) * | 2015-12-15 | 2019-02-01 | 深圳Tcl新技术有限公司 | The verifying device of back light system |
-
2015
- 2015-12-15 CN CN201510936873.8A patent/CN105390089B/en active Active
-
2016
- 2016-06-01 WO PCT/CN2016/084298 patent/WO2017101261A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0209836A1 (en) * | 1985-07-17 | 1987-01-28 | Sharp Kabushiki Kaisha | Data processing machine |
| CN2287741Y (en) * | 1996-09-13 | 1998-08-12 | 中国航天工业供销总公司 | Streamer type picture and text displayer |
| CN103413529A (en) * | 2006-04-14 | 2013-11-27 | Nlt科技股份有限公司 | Backlight system, liquid crystal display including the same, and method of adjusting backlight |
| CN1949797A (en) * | 2006-11-15 | 2007-04-18 | 华为技术有限公司 | Mobile terminal and control method thereof |
| CN102077266A (en) * | 2008-07-11 | 2011-05-25 | 夏普株式会社 | Backlight drive device, display device using the same, and backlight drive method |
| US20130002168A1 (en) * | 2011-06-29 | 2013-01-03 | Verde Designs, Inc. | Programmable solid state illuminating system and the controlling method thereof |
| CN104240627A (en) * | 2014-09-18 | 2014-12-24 | 深圳市显创光电有限公司 | Liquid-crystal display module testing device |
| CN104485059A (en) * | 2014-12-31 | 2015-04-01 | 西安诺瓦电子科技有限公司 | Routing testing method and image-text system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017101261A1 (en) * | 2015-12-15 | 2017-06-22 | 深圳Tcl新技术有限公司 | Verification device for backlight system |
| CN109859661A (en) * | 2019-03-29 | 2019-06-07 | 深圳创维－Rgb电子有限公司 | A kind of backlight detection circuit, method, apparatus and television set |
| CN109859661B (en) * | 2019-03-29 | 2022-07-19 | 深圳创维－Rgb电子有限公司 | Backlight detection circuit, method and device and television |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017101261A1 (en) | 2017-06-22 |
| CN105390089B (en) | 2019-02-01 |
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