CN203102819U - Liquid crystal display and liquid crystal display device - Google Patents
Liquid crystal display and liquid crystal display device Download PDFInfo
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- CN203102819U CN203102819U CN 201320023313 CN201320023313U CN203102819U CN 203102819 U CN203102819 U CN 203102819U CN 201320023313 CN201320023313 CN 201320023313 CN 201320023313 U CN201320023313 U CN 201320023313U CN 203102819 U CN203102819 U CN 203102819U
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- liquid crystal
- regulating device
- display parameter
- crystal panel
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Abstract
The utility model discloses a liquid crystal display and a liquid crystal display device. The liquid crystal display comprises a number of liquid crystal display devices. Each liquid crystal display device comprises a liquid crystal panel and a drive circuit which controls the display of the liquid crystal panel. The drive circuit comprises an adjusting device in which display parameters are stored. The adjusting devices of at least two liquid crystal display devices in a number of liquid crystal display devices have different display parameters. According to the utility model, the design difficulty and cost can be reduced.
Description
Technical field
The utility model relates to field of liquid crystal display, in particular, relates to a kind of liquid crystal-spliced screen and liquid crystal indicator.
Background technology
As shown in Figure 1, liquid crystal-spliced screen is to utilize the liquid crystal indicator more than two to be spliced, if the panel of these several liquid crystal indicators shown display effect differences such as brightness, flicker degree or colourity under same color, then the beholder is in the place that panel joins, and the picture of being seen that arrives can be discontinuous.So panel factory is when making, must select the LED lamp of same brightness and colourity to provide backlight, also want the degree of stability of control panel in procedure for producing in addition, reduce the gap between sheet and the sheet, so loaded down with trivial details, also improve difficulty in the design except increasing cost.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of liquid crystal-spliced screen and liquid crystal indicator that reduces design difficulty and cost.
The purpose of this utility model is achieved through the following technical solutions:
A kind of liquid crystal-spliced screen comprises a plurality of liquid crystal indicators, and described liquid crystal indicator comprises liquid crystal panel, the driving circuit that the control liquid crystal panel shows, and described driving circuit comprises the regulating device that stores display parameter; The display parameter difference that has the regulating device of two liquid crystal indicators in described a plurality of liquid crystal indicator at least.
Further, described regulating device comprises the interface module that is connected with external debug equipment, and described regulating device reads and store described display parameter from described interface module.Display parameter can be regulated in the technical program, can when having spliced video wall, unify debugging like this, the corresponding then display parameter that write each liquid crystal indicator, even if in use, deviation appears in the display effect between the liquid crystal indicator, also can proofread and correct by the mode of revising display parameter.
Further, described display parameter comprise gamma value and chromatic value.By regulating gamma value, can adjust brightness in the LCD panel display effect, any one or two in the flicker degree; By regulating chromatic value, can adjust the colourity in the LCD panel display effect.
Further, described driving circuit comprises the timing controller that the control liquid crystal panel shows, described regulating device also comprises adjustable with the gamma value of described interface module coupling respectively programmable voltage buffer cell and the storage unit that stores chromatic value; The output terminal of described storage unit is coupled with the chromaticity correction unit, and described chromaticity correction unit is integrated in described timing controller; The output signal of described timing controller and programmable voltage buffer cell is coupled to liquid crystal panel.This is a kind of concrete driving circuit structure.
Further, described display parameter comprise gamma value, and described regulating device comprises the gammate that gamma value is adjustable.By regulating gamma value, can adjust brightness in the LCD panel display effect, any one or two in the flicker degree.
Further, described display parameter comprise chromatic value, and described regulating device comprises the chromaticity correction unit that chromatic value is adjustable.By regulating chromatic value, can adjust the colourity in the LCD panel display effect.
A kind of liquid crystal indicator comprises liquid crystal panel, the driving circuit that the control liquid crystal panel shows, and described driving circuit comprises the regulating device that stores display parameter; Described regulating device comprises the interface module that is connected with external debug equipment, and the display parameter of described regulating device are adjustable.
Further, described display parameter comprise gamma value, and described regulating device comprises the gammate that gamma value is adjustable.By regulating gamma value, can adjust brightness in the LCD panel display effect, any one or two in the flicker degree.
Further, described display parameter comprise chromatic value, and described regulating device comprises the chromaticity correction unit that chromatic value is adjustable.By regulating chromatic value, can adjust the colourity in the LCD panel display effect.
Further, described display parameter comprise gamma value and chromatic value, described driving circuit comprises the timing controller that the control liquid crystal panel shows, described regulating device also comprises adjustable with the gamma value of described interface module coupling respectively programmable voltage buffer cell and the storage unit that stores chromatic value; The output terminal of described storage unit is coupled with the chromaticity correction unit, and described chromaticity correction unit is integrated in described timing controller; The output signal of described timing controller and programmable voltage buffer cell is coupled to liquid crystal panel; Described external debug equipment is distinguished write storage unit and programmable voltage buffer cell by interface module with display parameter.This is a kind of concrete driving circuit structure.
The utility model is owing to be provided with regulating device in liquid crystal indicator, and the built-in regulating device of regulating device, the display parameter of parameter module the inside are corresponding with the display effect of liquid crystal panel, it is the different corresponding different display effects of display parameter, like this as long as adjust the display parameter of each liquid crystal indicator, allow each liquid crystal panel when showing same color, display effect is consistent, and just these liquid crystal indicator splicings can be used as video wall.It is highly consistent that the utility model does not need the liquid crystal indicator of same video wall to guarantee on device, reduced the requirement of device aspect, helps reducing production costs; In addition in design, as long as adopt general optical sensing system to detect the display effect of each liquid crystal panel, display effect with one of them display panels of same video wall is a benchmark then, the mode of employing software adjustment is regulated the display parameter of other liquid crystal indicators, its liquid crystal panel just can reach the benchmark display effect, and prior art need be carried out a large amount of hardware detection to each liquid crystal panel, debugging, pick out from all liquid crystal indicators then that every hardware index is immediate to be used for same liquid crystal-spliced screen, by contrast, the utility model design difficulty is lower, and the construction cycle is also shorter.
Description of drawings
Fig. 1 is liquid crystal-spliced screen synoptic diagram;
Fig. 2 is a principle of the invention synoptic diagram;
Fig. 3 is the synoptic diagram of the embodiment of the invention one;
Fig. 4 is the embodiment of the invention two synoptic diagram;
Fig. 5 is the gamma correction synoptic diagram of the embodiment of the invention two;
Fig. 6 is the chromaticity correction synoptic diagram of the embodiment of the invention two;
Fig. 7 is the embodiment of the invention three synoptic diagram.
Wherein: 1, liquid crystal panel; 2, sequential circuit control panel; 3, regulating device; 4, interface module; 5, gammate; 7, chromaticity correction unit; 8, storage unit; 9, timing controller; 10, programmable voltage buffer cell; 11, flexible PCB; 12, control device; 13, detector;
Embodiment
The invention discloses a kind of liquid crystal-spliced screen, liquid crystal-spliced screen comprises a kind of liquid crystal indicator.As shown in Figure 2, liquid crystal indicator comprises liquid crystal panel 1, the sequential circuit control panel 2(that control liquid crystal panel 1 shows is a driving circuit of the present invention), sequential circuit control panel 2 comprises can be with the regulating device 3 that is used for regulator solution crystal panel 1 display effect of external debug equipment connection; Regulating device 3 comprises the regulating device 4 that stores with the display parameter of liquid crystal panel 1 display effect correspondence; The display parameter of regulating device 4 are adjustable.
Liquid crystal-spliced screen comprises liquid crystal indicator of the present invention more than two, wherein the display parameter difference of the regulating device 4 of at least two liquid crystal indicators.
The present invention is owing to be provided with regulating device in liquid crystal indicator, and the built-in regulating device of regulating device, the display parameter of parameter module the inside are corresponding with the display effect of liquid crystal panel, it is the different corresponding different display effects of display parameter, like this as long as adjust the display parameter of each liquid crystal indicator, allow each liquid crystal panel when showing same color, display effect is consistent, and just these liquid crystal indicator splicings can be used as video wall.It is highly consistent that the present invention does not need the liquid crystal indicator of same video wall to guarantee on device, reduced the requirement of device aspect, helps reducing production costs; In addition in design, as long as adopt general optical sensing system to detect the display effect of each liquid crystal panel, display effect with one of them display panels of same video wall is a benchmark then, the mode of employing software adjustment is regulated the display parameter of other liquid crystal indicators, its liquid crystal panel just can reach the benchmark display effect, and prior art need be carried out a large amount of hardware detection to each liquid crystal panel, debugging, pick out from all liquid crystal indicators then that every hardware index is immediate to be used for same liquid crystal-spliced screen, by contrast, design difficulty of the present invention is lower, and the construction cycle is also shorter.
The invention will be further described below in conjunction with accompanying drawing and preferred embodiment.
Embodiment one
As shown in Figure 3, regulating device comprises the adjustable gammate of gamma value 5, the chromaticity correction unit 7 that chromatic value is adjustable.By regulating gamma value, can adjust brightness in the LCD panel display effect, any one or two in the flicker degree; By regulating chromatic value, can adjust the colourity in the LCD panel display effect.
Embodiment two
As shown in Figure 4, sequential circuit control panel 2 comprises that timing controller 9, regulating device that control liquid crystal panel 1 shows also comprise respectively with the adjustable programmable voltage buffer cell 10 of the gamma value of interface module 4 couplings and store the storage unit 8 of chromatic value; Storage unit 8 sends chromatic value to timing controller 9; Send gamma value to programmable voltage buffer cell 10; The output signal of timing controller 9 and programmable voltage buffer cell 10 is coupled to liquid crystal panel 1 by flexible PCB 11; External debug equipment passes through interface module 4 with display parameter difference write storage unit 8 and programmable voltage buffer cell 10.
Outside commissioning device can be selected a cover optical sensing system for use, sensing system comprises detector 13 and control device 12, detector 13 can be caught the display frame of liquid crystal panel 1, then picture data is sent to control device 12, control device 12 with the display effect of the display frame that captures with the benchmark effect relatively, generate corresponding display parameter then, control device 12 writes the storage unit 8 of sequential circuit control panel 2 with the chromatic value of display parameter, and gamma value is write in the programmable voltage buffer cell 10.
Embodiment three
As shown in Figure 7, the invention also discloses a kind of demonstration bearing calibration of liquid crystal-spliced screen, described liquid crystal-spliced screen comprises at least two liquid crystal indicators, described liquid crystal indicator comprises liquid crystal panel, the sequential circuit control panel that the control liquid crystal panel shows, described sequential circuit control panel comprises the regulating device that stores display parameter; Described regulating device comprises the interface module that is connected with external debug equipment; Described bearing calibration comprises:
A, catch the display frame of one of them liquid crystal indicator, and based on whole display frame, the display effect of extracting this display frame is as the benchmark effect by optical sensing system;
B, catch the display effect of other liquid crystal indicator display frames by optical sensing system successively;
The display parameter of C, adjustment liquid crystal indicator, the display effect that makes the comparison picture is with benchmark effect unanimity.
Wherein steps A comprises: catch the display frame of one of them liquid crystal indicator by the detector of optical sensing system, and based on whole display frame, the display effect of extracting this display frame is as the benchmark effect;
Step B comprises: the display effect of catching other liquid crystal indicator display frames successively by the detector of optical sensing system;
Step C comprises: the control system of optical sensing system is by the difference of the benchmark effect of the display effect of this liquid crystal indicator display frame of comparison, generate corresponding display parameter, then the chromatic value of display parameter is write the storage unit of sequential circuit control panel plate, gamma value is write in the programmable voltage buffer cell.Liquid crystal indicator comes the output picture of regulator solution crystal panel according to the display parameter of storage, make liquid crystal panel display effect with benchmark effect unanimity.
Display parameter after optical sensing system will be debugged by described interface module write described adjusting regulating device.Display parameter can be regulated, can when having spliced video wall, unify debugging like this, the corresponding then display parameter that write each liquid crystal indicator, even if in use, deviation appears in the display effect between the liquid crystal indicator, also can proofread and correct by the mode of revising display parameter.
Display parameter of the present invention comprise one or both in gamma value, the chromatic value.By regulating gamma value, can adjust brightness in the LCD panel display effect, any one or two in the flicker degree; By regulating chromatic value, can adjust the colourity in the LCD panel display effect.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a liquid crystal-spliced screen comprises a plurality of liquid crystal indicators, and described liquid crystal indicator comprises liquid crystal panel, and the driving circuit that the control liquid crystal panel shows is characterized in that described driving circuit comprises the regulating device that stores display parameter; The display parameter difference that has the regulating device of two liquid crystal indicators in described a plurality of liquid crystal indicator at least.
2. a kind of liquid crystal-spliced screen as claimed in claim 1 is characterized in that described regulating device comprises the interface module that is connected with external debug equipment, and described regulating device reads and store described display parameter from described interface module.
3. a kind of liquid crystal-spliced screen as claimed in claim 2 is characterized in that described display parameter comprise gamma value and chromatic value.
4. a kind of liquid crystal-spliced screen as claimed in claim 3, it is characterized in that, described driving circuit comprises the timing controller that the control liquid crystal panel shows, described regulating device also comprises adjustable with the gamma value of described interface module coupling respectively programmable voltage buffer cell and the storage unit that stores chromatic value; The output terminal of described storage unit is coupled with the chromaticity correction unit, and described chromaticity correction unit is integrated in described timing controller; The output signal of described timing controller and programmable voltage buffer cell is coupled to liquid crystal panel.
5. a kind of liquid crystal-spliced screen as claimed in claim 1 is characterized in that described display parameter comprise gamma value, and described regulating device comprises the gammate that gamma value is adjustable.
6. a kind of liquid crystal-spliced screen as claimed in claim 1 is characterized in that described display parameter comprise chromatic value, and described regulating device comprises the chromaticity correction unit that chromatic value is adjustable.
7. a liquid crystal indicator comprises liquid crystal panel, and the driving circuit that the control liquid crystal panel shows is characterized in that described driving circuit comprises the regulating device that stores display parameter; Described regulating device comprises the interface module that is connected with external debug equipment, and the display parameter of described regulating device are adjustable.
8. a kind of liquid crystal indicator as claimed in claim 7 is characterized in that described display parameter comprise gamma value, and described regulating device comprises the gammate that gamma value is adjustable.
9. a kind of liquid crystal indicator as claimed in claim 7 is characterized in that described display parameter comprise chromatic value, and described regulating device comprises the chromaticity correction unit that chromatic value is adjustable.
10. a kind of liquid crystal indicator as claimed in claim 7, it is characterized in that, described display parameter comprise gamma value and chromatic value, described driving circuit comprises the timing controller that the control liquid crystal panel shows, described regulating device also comprises adjustable with the gamma value of described interface module coupling respectively programmable voltage buffer cell and the storage unit that stores chromatic value; The output terminal of described storage unit is coupled with the chromaticity correction unit, and described chromaticity correction unit is integrated in described timing controller; The output signal of described timing controller and programmable voltage buffer cell is coupled to liquid crystal panel; Described external debug equipment is distinguished write storage unit and programmable voltage buffer cell by interface module with display parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023313 CN203102819U (en) | 2013-01-16 | 2013-01-16 | Liquid crystal display and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023313 CN203102819U (en) | 2013-01-16 | 2013-01-16 | Liquid crystal display and liquid crystal display device |
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| CN203102819U true CN203102819U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320023313 Expired - Lifetime CN203102819U (en) | 2013-01-16 | 2013-01-16 | Liquid crystal display and liquid crystal display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077691A (en) * | 2013-01-16 | 2013-05-01 | 深圳市华星光电技术有限公司 | Liquid crystal spliced screen, correcting method thereof and liquid crystal display device |
| US9105245B2 (en) | 2013-01-16 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Spliced liquid crystal display (SLCD), method for checking the SLCD, and LCD device |
-
2013
- 2013-01-16 CN CN 201320023313 patent/CN203102819U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077691A (en) * | 2013-01-16 | 2013-05-01 | 深圳市华星光电技术有限公司 | Liquid crystal spliced screen, correcting method thereof and liquid crystal display device |
| WO2014110856A1 (en) * | 2013-01-16 | 2014-07-24 | 深圳市华星光电技术有限公司 | Liquid crystal spliced screen and calibration method thereof, and liquid crystal display device |
| US9105245B2 (en) | 2013-01-16 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Spliced liquid crystal display (SLCD), method for checking the SLCD, and LCD device |
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Granted publication date: 20130731 |
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| CX01 | Expiry of patent term |