CN203102810U - Driving chip performance comparison device - Google Patents
Driving chip performance comparison device Download PDFInfo
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- CN203102810U CN203102810U CN 201320056522 CN201320056522U CN203102810U CN 203102810 U CN203102810 U CN 203102810U CN 201320056522 CN201320056522 CN 201320056522 CN 201320056522 U CN201320056522 U CN 201320056522U CN 203102810 U CN203102810 U CN 203102810U
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Abstract
The utility model provides a driving chip performance comparison device comprising a signal generator and a display device. The display device comprises a display panel, N driving chips and a flexible circuit board. The display panel comprises N display areas, and each driving chip is corresponding to a display area. The signal generator is used for dividing received time sequence control signals and data signals into N groups, and the groups of time sequence control signals and data signals are respectively outputted to the N driving chips. The driving chips are used for driving the corresponding display area display image according to one group of received time sequence control signals and data signals, wherein N is a positive integer which is larger than 1. According to the driving chip performance comparison device of the utility model, the performance of multiple driving chips can be compared at the same time by only employing one signal generator and one display device.
Description
Technical field
The utility model relates to the display device technical field of performance test, is specifically related to a kind of chip for driving performance comparison device.
Background technology
At present, LCD (LCD, Liquid Crystal Display) is widely used in various fields, as mobile phone, network monitoring device, domestic air conditioning, refrigerator, electronic game machine etc.Continuous development along with LCD Technology, people are also more and more higher to the requirement of its display effect, and therefore, each drive IC (is a chip for driving, be used to drive the display panels display image) manufacturer for adversary competition, also in the constantly function and the performance of oneself drive IC of upgrading.And, each drive IC manufacturer for outstanding oneself drive IC in characteristics and advantage aspect the color demonstration, often need the similar drive IC with other of oneself drive IC is compared, perhaps the drive IC with new and old edition compares, and selects to make things convenient for the consumer.
In the prior art, if will contrast the performance of a plurality of drive IC simultaneously, often need a plurality of independently LCM(Liquid Crystal Module, Liquid Crystal Module) and a plurality of signal generator (be also referred to as lighting system, be used to LCM that timing control signal is provided, data-signal and voltage signal etc.), each LCM includes display panels and (comprises array base palte, color membrane substrates, be attached to the polaroid of array base palte and color membrane substrates outside surface respectively, and be filled in liquid crystal layer between array base palte and the color membrane substrates), and the module backlight that is arranged on the display panels bottom.But, LCM and signal generator can only be used to test the performance of a drive IC, when therefore adopting a plurality of LCM and a plurality of signal generator to contrast the performance of a plurality of drive IC simultaneously, because the brightness of the module backlight among each LCM is variant, there are problems such as deviation in the polaroid difference among each LCM and the output of each signal generator, can cause the contrast of visual angle, display effect undesirable, perhaps color contrast advantage fundamental presentation shortcoming such as do not come out; In addition, because the honesty issue of individual manufacturer, view data that may will be to be contrasted before contrast was carried out processing, caused view data to be contrasted itself to there are differences, thereby had reduced the reliability of display effect contrast.
The utility model content
Technical problem to be solved in the utility model is at existing above-mentioned defective in the prior art, and a kind of device that need to adopt a signal generator and display device just can be simultaneously the performance of a plurality of chip for driving to be compared is provided.
Solve the technical scheme that the utility model technical matters is adopted:
Described chip for driving performance comparison device comprises a signal generator and a display device, described display device comprises a display panel, a N chip for driving and a flexible PCB, described display panel comprises N viewing area, and all corresponding viewing area of each chip for driving;
Described signal generator is used for output timing control signal and data-signal to flexible PCB;
Described flexible PCB is used for the timing control signal of its reception and data-signal are divided into the N group, and exports this N group timing control signal and data-signal to N chip for driving respectively;
Described chip for driving is used for driving its corresponding viewing area display image according to one group of timing control signal of its reception and data-signal;
Wherein, N is〉1 positive integer.
Preferably, described signal generator comprises timing control signal unit and data signal units;
Described timing control signal unit comprises sheet selected control system signaling module and reseting controling signal module;
Described selected control system signaling module is used to export N road sheet selected control system signal, and exports it to flexible PCB; The all corresponding chip for driving of wherein every road sheet selected control system signal, each road sheet selected control system signal is only chosen its corresponding chip for driving successively in a period of time, each time period continuous distribution and not overlapping mutually, each road sheet selected control system signal is chosen the chip for driving of correspondence simultaneously then;
Described reseting controling signal module is used to export N road reseting controling signal, and exports it to flexible PCB; All corresponding one road sheet selected control system signal of wherein every road reseting controling signal, each road reseting controling signal when its corresponding sheet selected control system signal is chosen a chip for driving, reset to this chip for driving respectively;
Described data signal units is used to export initialization data signal and viewdata signal, and exports it to flexible PCB; Wherein said initialization data signal is after each road reseting controling signal of reseting controling signal module output resets to a chip for driving respectively, just this chip for driving is write initialization data, described viewdata signal writes view data to all chip for driving after each road sheet selected control system signal of sheet selected control system signaling module output is chosen the chip for driving of correspondence simultaneously.
Preferably, N road sheet selected control system signal, N road reseting controling signal, initialization data signal and the viewdata signal that described flexible PCB specifically is used for receiving is divided into N group timing control signal and data-signal, wherein every group of timing control signal and data-signal include one road reseting controling signal, initialization data signal and the viewdata signal of one road sheet selected control system signal, this road sheet selected control system signal correspondence, and export this N group timing control signal and data-signal to corresponding N chip for driving respectively.
Preferably, described chip for driving performance comparison device also comprises input block;
Described input block is used to receive the data message and the command information of user's input, and exports it to signal generator;
Described signal generator also is used for generating timing control signal and data-signal according to the data message and the command information of user's input of its reception.
Preferably, described chip for driving performance comparison device also comprises power supply, and it is used to signal generator that voltage signal is provided;
Described signal generator exports flexible PCB to after also being used for the voltage signal that receives from power supply handled;
Described flexible PCB also is used for and will be divided into the N road from the voltage signal that signal generator receives, and exports this N road voltage signal to N chip for driving respectively, thereby provides voltage signal for each chip for driving.
Preferably, described chip for driving performance comparison device also comprises power supply, and it is used to be respectively signal generator and flexible PCB provides voltage signal;
The voltage signal that described flexible PCB also is used for receiving from power supply is divided into the N road, and exports this N road voltage signal to N chip for driving respectively, thereby provides voltage signal for each chip for driving.
Preferably, it is separate that described flexible PCB exports timing control signal, data-signal and the voltage signal place circuit of each chip for driving respectively to.
Preferably, described display panel adopts display panels;
Described display device also comprises the module backlight that is arranged on the display panels bottom.
Perhaps, described display panel adopts organic LED display panel.
Beneficial effect:
1) in the chip for driving performance comparison device described in the utility model, only need to adopt a signal generator just can contrast the performance of a plurality of chip for driving (being drive IC) simultaneously, realize a plurality of different driving chips at the visual angle, the contrast of aspect such as color, display effect and photoelectric properties, and the contrast that realizes a plurality of identical chip for driving difference in functionalitys; Because a signal generator only is used to test a chip for driving performance in the prior art, then need a plurality of signal generators if will contrast the performance of a plurality of chip for driving simultaneously, so when contrasting a plurality of chip for driving performance at the same time, the utility model has compared with prior art been avoided owing to the difference of each signal generator self stability, manufacturing process and different each chip for driving property comparison results that influence of anti-environmental interference ability; And, owing to only need to adopt a signal generator, it can only export one tunnel view data to be contrasted simultaneously, when contrasting a plurality of chip for driving performance at the same time, can guarantee the consistance of the view data to be contrasted imported, also just avoided to be used to before the contrast contrasting the possibility that the view data to be contrasted of some chip for driving performances is handled, even view data that perhaps will be to be contrasted was carried out processing in advance, because this view data can input to all chip for driving simultaneously, also do not hinder the performance comparison between the different driving chip, the reliability that has improved a plurality of chip for driving performance comparison is with credible.
2) in the chip for driving performance comparison device described in the utility model, only need to adopt a display device (when display panel wherein adopts display panels, described display device comprises Liquid Crystal Module) just can contrast the performance of a plurality of chip for driving simultaneously, because a display device only is used to test a chip for driving performance in the prior art, then need a plurality of display device if will contrast the performance of a plurality of chip for driving simultaneously, so when contrasting a plurality of chip for driving performance at the same time, the utility model compared with prior art, avoided because the display panel in each display device and the material of the polaroid in the display panel, manufacture craft, the production environment difference, and the brightness of the module backlight in each display device is different and influence each chip for driving property comparison result.
3) in the chip for driving performance comparison device described in the utility model, because it all is separate exporting timing control signal, the data-signal place circuit of each chip for driving to, so inter-signal interference is few, contrast effect is good, and owing to the voltage signal place circuit that exports each chip for driving to also is independently, the electric current that can independent measurement flows into each chip for driving helps contrasting the power consumption of each viewing area.
4) chip for driving performance comparison device described in the utility model more is applicable to the performance comparison of the chip for driving that drives the small-medium size viewing area.
Description of drawings
Fig. 1 is the structured flowchart of chip for driving performance comparison device among the utility model embodiment 1;
Fig. 2 is the structural representation of chip for driving performance comparison device among the utility model embodiment 2;
Fig. 3 is the sequential control figure of signal generator described in Fig. 2.
Wherein: the 1-signal generator; The 2-flexible PCB; 31-first chip for driving; 32-second chip for driving; 33-the 3rd chip for driving; 41-first viewing area; 42-second viewing area; 43-the 3rd viewing area.
Embodiment
For making those skilled in the art understand the technical solution of the utility model better, chip for driving performance comparison device described in the utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
As shown in Figure 1, present embodiment provides a kind of chip for driving performance comparison device, comprises a signal generator and a display device.Described display device comprises a display panel, (a described N chip for driving can be identical for N chip for driving, difference or part are identical) and a flexible PCB (FPC), described display panel comprises that (described display panel can be divided into effective viewing area and outer peripheral areas in N viewing area, and the outer peripheral areas of display panel be positioned at effective viewing area around, effective viewing area of display panel is divided into N zone, each zone i.e. a viewing area, amount to N viewing area), the shape of a described N viewing area is not limit and is not overlapped mutually, wherein all corresponding viewing area of each chip for driving.Wherein, N is〉1 positive integer.
Described signal generator is used for output timing control signal and data-signal to flexible PCB; Described flexible PCB is used for the timing control signal of its reception and data-signal are divided into the N group, and exports this N group timing control signal and data-signal to N chip for driving respectively; Described chip for driving is used for driving its corresponding viewing area display image according to one group of timing control signal of its reception and data-signal.
As seen, the described chip for driving performance comparison of present embodiment device only need adopt a signal generator and display device just can contrast the performance of a plurality of chip for driving simultaneously, with realize a plurality of different driving chips at the visual angle, the contrast of aspect such as color, display effect and photoelectric properties, and the contrast that realizes a plurality of identical chip for driving difference in functionalitys.
For saving cost, display device in the described chip for driving performance comparison device does not need independent technology to make, do not need independent material yet, only need utilize current material to produce finished product display device and display device described in the utility model simultaneously, be that display device described in the utility model is to utilize the surplus material that can't make complete finished product display device to make, and make simultaneously with the finished product display device.But, when display device described in the utility model adopts surplus material to make, if the width of surplus material is less, the width of a plurality of viewing areas in the display device of then making is also less, therefore between corresponding with a plurality of viewing areas respectively a plurality of chip for driving when contrast properties, can need accurate more survey instrument, to reduce the influence of the relative quantity error that survey instrument causes.
Embodiment 2:
As shown in Figure 2, present embodiment provides a kind of chip for driving performance comparison device, comprises a signal generator 1 and a display device.Described display device comprises a display panel, a flexible PCB 2, three chip for driving and power supply (not shown)s.Described three chip for driving are respectively first chip for driving 31, second chip for driving 32 and the 3rd chip for driving 33.Described display panel comprises three viewing areas, and described three viewing areas are respectively first viewing area 41, second viewing area 42 and the 3rd viewing area 43.Wherein, 42, the three chip for driving, 33 corresponding the 3rd viewing areas 43,41, the second chip for driving, 32 corresponding second viewing area, first chip for driving, 31 corresponding first viewing area.
Described signal generator 1 comprises timing control signal unit and data signal units.Described timing control signal unit comprises sheet selected control system signaling module and reseting controling signal module.
Described selected control system signaling module is used to export three road sheet selected control system signals, and exports it to flexible PCB 2; The all corresponding chip for driving of wherein every road sheet selected control system signal, each road sheet selected control system signal is only chosen its corresponding chip for driving successively in a period of time, each time period continuous distribution and not overlapping mutually, each road sheet selected control system signal is chosen the chip for driving of correspondence simultaneously then;
Described reseting controling signal module is used to export three road reseting controling signals, and exports it to flexible PCB 2; All corresponding one road sheet selected control system signal of wherein every road reseting controling signal, each road reseting controling signal when its corresponding sheet selected control system signal is chosen a chip for driving, reset to this chip for driving respectively;
Described data signal units is used to export initialization data signal and viewdata signal, and exports it to flexible PCB 2; Wherein said initialization data signal is after each road reseting controling signal of reseting controling signal module output resets to a chip for driving respectively, just this chip for driving is write initialization data, described viewdata signal writes view data to all chip for driving after each road sheet selected control system signal of sheet selected control system signaling module output is chosen the chip for driving of correspondence simultaneously.
Three road sheet selected control system signals, three road reseting controling signals, initialization data signal and viewdata signal that described flexible PCB specifically is used for receiving are divided into three groups of timing control signals and data-signal, wherein every group of timing control signal and data-signal include one road reseting controling signal, initialization data signal and the viewdata signal of one road sheet selected control system signal, this road sheet selected control system signal correspondence, and export these three groups of timing control signals and data-signal to corresponding three chip for driving respectively.
Each chip for driving all is used for driving its corresponding viewing area display image according to one group of timing control signal of its reception and data-signal.
Described power supply is used to signal generator that voltage signal is provided; Described signal generator exports flexible PCB to after also being used for the voltage signal that receives from power supply handled; Described flexible PCB also is used for and will be divided into three the tunnel from the voltage signal that signal generator receives, and exports this three road voltage signal to three chip for driving respectively, thereby provides voltage signal for each chip for driving.
Perhaps, described power supply is used to be respectively signal generator and flexible PCB provides voltage signal; The voltage signal that described flexible PCB also is used for receiving from power supply is divided into three the tunnel, and exports this three road voltage signal to three chip for driving respectively, thereby provides voltage signal for each chip for driving.
Preferably, it is separate that described flexible PCB exports timing control signal, data-signal and the voltage signal place circuit of each chip for driving respectively to, in order to avoid export the signal phase mutual interference in the circuit of each chip for driving to.
Preferably, described chip for driving performance comparison device also comprises input block.
Described input block is used to receive the data message and the command information of user's input, and exports it to signal generator; Described signal generator also is used for generating timing control signal and data-signal automatically according to the data message and the command information of user's input of its reception.
Certainly, described chip for driving performance comparison device also can not comprise input block, and signal generator generates timing control signal and data-signal automatically according to the data message and the command information that default in it.
If the described display device of present embodiment is a liquid crystal indicator, then described display panel adopts display panels; Described display device also comprises the module backlight that is arranged on display panels bottom, described display panels comprise array base palte, color membrane substrates, respectively be attached to the polaroid of array base palte and color membrane substrates outside surface and be filled in array base palte and color membrane substrates between liquid crystal layer.Promptly corresponding respectively three shared polaroids in viewing area and modules backlight with three chip for driving, help improving three chip for driving at the visual angle, the reliability that contrasts of aspects such as color, display effect and photoelectric properties.
If the described display device of present embodiment is OLED(Organic Light-EmittingDiode, Organic Light Emitting Diode) display device, then described display panel adopts organic LED display panel.
As shown in Figure 3, the principle of work of the described chip for driving performance comparison of present embodiment device is:
Sequential control figure shown in Figure 3 is divided into five stages, is respectively phase one to the five-stage, indicate with one, two, three, four, five respectively.Among Fig. 3, three road sheet selected control system signals of described selected control system signaling module output are respectively CS1, CS2 and CS3, wherein, first chip for driving 31 is selected during the CS1 input low level, second chip for driving 32 is selected during the CS2 input low level, and the 3rd chip for driving 33 is selected during the CS3 input low level; Three road reseting controling signals of described reseting controling signal module output are respectively REST1, REST2 and REST3, wherein, REST1 elder generation input high level, import a bit of time low level then, input high level again, promptly import a low level pulse after, first chip for driving 31 is reset, second chip for driving 32 is reset behind low level pulse of REST2 input, and the 3rd chip for driving 33 is reset behind low level pulse of REST3 input; The initialization data signal and the viewdata signal of data signal units output amount to 20 four the tunnel, are respectively DB[23:0].For initialization data and view data are write each chip for driving, described timing control signal unit also is used to export WRX, RDX and DCX three tunnel control signals.Second to the quadravalence section, when RDX input high level, DCX input high level and WRX import a rising edge (perhaps negative edge), described data signal units is write load register instruction to selected chip for driving of this stage, when RDX input high level, DCX input low level and WRX import a rising edge (perhaps negative edge), described data signal units writes register data to selected chip for driving of this stage, thereby finishes the initial work to this chip for driving; In five-stage, when RDX input high level, DCX input high level and WRX import a rising edge (perhaps negative edge), described data signal units writes view data to all chip for driving, thereby drives the viewing area while display image of each chip for driving correspondence.Wherein, the initialization data signal and the viewdata signal of data signal units output can not limit at this, and the principle of work of initialization data signal and viewdata signal be same as the prior art, does not give unnecessary details at five-stage for eight the road or 10 two the tunnel.
1) phase one (pretreatment stage):
After power supply was exported three road voltage signals to three chip for driving by signal generator (perhaps power supply is direct), each chip for driving was powered on; CS1, CS2 and CS3 input low level simultaneously subsequently, REST1, REST2 and REST3 be input high level simultaneously, to choose three chip for driving and it is carried out pre-service; CS1, CS2 and CS3 while input high level makes three chip for driving all not selected then.
2) subordinate phase (first chip for driving, 31 initial phases):
The CS1 input low level, CS2 and CS3 be input high level simultaneously, makes the chip for driving 31 of winning selected; REST1, REST2 and REST3 be input high level simultaneously, and REST1 imports after a bit of time low level input high level more subsequently, so that first chip for driving 31 is resetted; RDX input high level, DCX input high level then, when rising edge of WRX input, described data signal units is write load register instruction to first chip for driving 31, follow RDX input high level, DCX input low level, when rising edge of WRX input, described data signal units writes register data to first chip for driving 31, thereby finishes the initialization of first chip for driving 31, and it can be started working.
3) phase III (second chip for driving, 32 initial phases):
The CS2 input low level, CS1 and CS3 be input high level simultaneously, makes that second chip for driving 32 is selected; REST1, REST2 and REST3 be input high level simultaneously, and REST2 imports after a bit of time low level input high level more subsequently, so that second chip for driving 32 is resetted; RDX input high level, DCX input high level then, when rising edge of WRX input, described data signal units is write load register instruction to second chip for driving 32, follow RDX input high level, DCX input low level, when rising edge of WRX input, described data signal units writes register data to second chip for driving 32, thereby finishes the initialization of second chip for driving 32, and it can be started working.
4) quadravalence section (the 3rd chip for driving 33 initial phases):
The CS3 input low level, CS1 and CS2 be input high level simultaneously, makes that the 3rd chip for driving 33 is selected; REST1, REST2 and REST3 be input high level simultaneously, and REST3 imports after a bit of time low level input high level more subsequently, so that the 3rd chip for driving 33 is resetted; RDX input high level, DCX input high level then, when rising edge of WRX input, described data signal units is write load register instruction to the 3rd chip for driving 33, follow RDX input high level, DCX input low level, when rising edge of WRX input, described data signal units writes register data to the 3rd chip for driving 33, thereby finishes the initialization of the 3rd chip for driving 33, and it can be started working.
5) five-stage (all chip for driving write the view data stage):
CS1, CS2 and CS3 be input low level simultaneously, make that three chip for driving are all selected, and RES T1, REST2 and REST3 be input high level simultaneously, RDX input high level, DCX input low level, when rising edge of WRX input, described data signal units writes view data simultaneously to all chip for driving, to drive all corresponding viewing area display images, uses professional survey instrument to test the performance of each chip for driving then.
Other structures in the present embodiment and effect are all identical with embodiment 1, repeat no more here.
Be understandable that above embodiment only is the illustrative embodiments that adopts for principle of the present utility model is described, yet the utility model is not limited thereto.For those skilled in the art, under the situation that does not break away from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement also are considered as protection domain of the present utility model.
Claims (9)
1. chip for driving performance comparison device, it is characterized in that comprise a signal generator and a display device, described display device comprises a display panel, a N chip for driving and a flexible PCB, described display panel comprises N viewing area, and all corresponding viewing area of each chip for driving;
Described signal generator is used for output timing control signal and data-signal to flexible PCB;
Described flexible PCB is used for the timing control signal of its reception and data-signal are divided into the N group, and exports this N group timing control signal and data-signal to N chip for driving respectively;
Described chip for driving is used for driving its corresponding viewing area display image according to one group of timing control signal of its reception and data-signal;
Wherein, N is〉1 positive integer.
2. chip for driving performance comparison device according to claim 1 is characterized in that,
Described signal generator comprises timing control signal unit and data signal units;
Described timing control signal unit comprises sheet selected control system signaling module and reseting controling signal module;
Described selected control system signaling module is used to export N road sheet selected control system signal, and exports it to flexible PCB; The all corresponding chip for driving of wherein every road sheet selected control system signal, each road sheet selected control system signal is only chosen its corresponding chip for driving successively in a period of time, each time period continuous distribution and not overlapping mutually, each road sheet selected control system signal is chosen the chip for driving of correspondence simultaneously then;
Described reseting controling signal module is used to export N road reseting controling signal, and exports it to flexible PCB; All corresponding one road sheet selected control system signal of wherein every road reseting controling signal, each road reseting controling signal when its corresponding sheet selected control system signal is chosen a chip for driving, reset to this chip for driving respectively;
Described data signal units is used to export initialization data signal and viewdata signal, and exports it to flexible PCB; Wherein said initialization data signal is after each road reseting controling signal of reseting controling signal module output resets to a chip for driving respectively, just this chip for driving is write initialization data, described viewdata signal writes view data to all chip for driving after each road sheet selected control system signal of sheet selected control system signaling module output is chosen the chip for driving of correspondence simultaneously.
3. chip for driving performance comparison device according to claim 2 is characterized in that,
N road sheet selected control system signal, N road reseting controling signal, initialization data signal and the viewdata signal that described flexible PCB specifically is used for receiving is divided into N group timing control signal and data-signal, wherein every group of timing control signal and data-signal include one road reseting controling signal, initialization data signal and the viewdata signal of one road sheet selected control system signal, this road sheet selected control system signal correspondence, and export this N group timing control signal and data-signal to corresponding N chip for driving respectively.
4. chip for driving performance comparison device according to claim 1 is characterized in that,
Described chip for driving performance comparison device also comprises input block;
Described input block is used to receive the data message and the command information of user's input, and exports it to signal generator;
Described signal generator also is used for generating timing control signal and data-signal according to the data message and the command information of user's input of its reception.
5. chip for driving performance comparison device according to claim 1 is characterized in that,
Described chip for driving performance comparison device also comprises power supply, and it is used to signal generator that voltage signal is provided;
Described signal generator exports flexible PCB to after also being used for the voltage signal that receives from power supply handled;
Described flexible PCB also is used for and will be divided into the N road from the voltage signal that signal generator receives, and exports this N road voltage signal to N chip for driving respectively, thereby provides voltage signal for each chip for driving.
6. chip for driving performance comparison device according to claim 1 is characterized in that,
Described chip for driving performance comparison device also comprises power supply, and it is used to be respectively signal generator and flexible PCB provides voltage signal;
The voltage signal that described flexible PCB also is used for receiving from power supply is divided into the N road, and exports this N road voltage signal to N chip for driving respectively, thereby provides voltage signal for each chip for driving.
7. according to claim 5 or 6 described chip for driving performance comparison devices, it is characterized in that,
It is separate that described flexible PCB exports timing control signal, data-signal and the voltage signal place circuit of each chip for driving respectively to.
8. according to each described chip for driving performance comparison device among the claim 1-6, it is characterized in that,
Described display panel adopts display panels;
Described display device also comprises the module backlight that is arranged on the display panels bottom.
9. according to each described chip for driving performance comparison device among the claim 1-6, it is characterized in that,
Described display panel adopts organic LED display panel.
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| CN104661022A (en) * | 2015-03-04 | 2015-05-27 | 广东威创视讯科技股份有限公司 | Multi-signal-channel automatic detection system and method |
| CN106652929A (en) * | 2016-10-18 | 2017-05-10 | 武汉华星光电技术有限公司 | Display module and liquid crystal display screen |
| CN108181574A (en) * | 2017-12-29 | 2018-06-19 | Tcl王牌电器(惠州)有限公司 | Drive board test system and test method |
| CN109272943A (en) * | 2018-10-15 | 2019-01-25 | 昆山龙腾光电有限公司 | A kind of backlight control system of display device |
| CN111710278A (en) * | 2020-06-29 | 2020-09-25 | 厦门天马微电子有限公司 | Display device and driving method thereof |
| WO2020206805A1 (en) * | 2019-04-12 | 2020-10-15 | 深圳市华星光电技术有限公司 | Display panel and method for driving same |
| CN112562600A (en) * | 2020-12-01 | 2021-03-26 | Tcl华星光电技术有限公司 | Display device and driving method thereof |
| CN113851080A (en) * | 2021-11-29 | 2021-12-28 | 南京浣轩半导体有限公司 | Mini-LED driving method and display system |
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- 2013-01-31 CN CN 201320056522 patent/CN203102810U/en not_active Expired - Lifetime
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| CN104661022A (en) * | 2015-03-04 | 2015-05-27 | 广东威创视讯科技股份有限公司 | Multi-signal-channel automatic detection system and method |
| CN104661022B (en) * | 2015-03-04 | 2017-03-01 | 广东威创视讯科技股份有限公司 | Multi signal passage automatic checkout system and method |
| US10210832B2 (en) | 2016-10-18 | 2019-02-19 | Wuhan China Star Optoelectronics Technology Co., Ltd | Display module having two display regions respectively driven by two drive chips connected with flexible circuit and liquid crystal display screen including same |
| WO2018072249A1 (en) * | 2016-10-18 | 2018-04-26 | 武汉华星光电技术有限公司 | Display module and liquid crystal display screen |
| CN106652929A (en) * | 2016-10-18 | 2017-05-10 | 武汉华星光电技术有限公司 | Display module and liquid crystal display screen |
| CN108181574A (en) * | 2017-12-29 | 2018-06-19 | Tcl王牌电器(惠州)有限公司 | Drive board test system and test method |
| CN109272943A (en) * | 2018-10-15 | 2019-01-25 | 昆山龙腾光电有限公司 | A kind of backlight control system of display device |
| CN109272943B (en) * | 2018-10-15 | 2020-07-10 | 昆山龙腾光电股份有限公司 | Backlight control system of display device |
| WO2020206805A1 (en) * | 2019-04-12 | 2020-10-15 | 深圳市华星光电技术有限公司 | Display panel and method for driving same |
| CN111710278A (en) * | 2020-06-29 | 2020-09-25 | 厦门天马微电子有限公司 | Display device and driving method thereof |
| CN112562600A (en) * | 2020-12-01 | 2021-03-26 | Tcl华星光电技术有限公司 | Display device and driving method thereof |
| US11847985B2 (en) | 2020-12-01 | 2023-12-19 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display device and driving method thereof |
| CN113851080A (en) * | 2021-11-29 | 2021-12-28 | 南京浣轩半导体有限公司 | Mini-LED driving method and display system |
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