CN101882412B - Flat panel display and detection and correction system of same - Google Patents
Flat panel display and detection and correction system of same Download PDFInfo
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- CN101882412B CN101882412B CN 200910136418 CN200910136418A CN101882412B CN 101882412 B CN101882412 B CN 101882412B CN 200910136418 CN200910136418 CN 200910136418 CN 200910136418 A CN200910136418 A CN 200910136418A CN 101882412 B CN101882412 B CN 101882412B
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Abstract
The invention relates to a flat panel display and a detection and correction system of the same. The detection and correction system comprises the flat panel display, a detector, an analyzer, a management system, a control board and a programmable device, wherein the programmable device electrically connects the control board and the management system and is used for receiving the correction signal from the management system and changing the data inside the signal; and the programmable device is also electrically connected with a panel and controls the panel to display the specific information. As long as the programmable device is matched with different software, the detection and correction system can be applicable to the flat panel displays in different sizes, thus reducing the development time and manpower and lowering the production cost.
Description
Technical field
The present invention relates to detection and the corrective system of a kind of flat-panel screens and flat-panel screens, particularly a kind of have the flat-panel screens of programmable device and detection and a corrective system of flat-panel screens.
Background technology
Flat-panel screens (for example: liquid crystal display) be widely used on personal computer, mobile computer and the various communication facilities now.In specific area (for example medical field), the display quality of flat-panel screens and the requirement of degree of accuracy are improved greatly, and therefore, the detection of flat-panel screens and corrective system are just thereby and give birth to.
With reference to figure 1, show the detection of conventional flat-panel screens and the synoptic diagram of corrective system.Described conventional sense and corrective system 1 comprise flat-panel screens 11, detecting device (Detector) 12, analyzer (Analyzer) 13 and management system 14.Described flat-panel screens 11 comprises panel (Panel) 111 and control panel (Control Board) 112.Described panel 111 is in order to show specific information, described panel 111 comprises liquid crystal panel unit 1111 and time schedule controller plate (Timing Controller Board) 1112, described time schedule controller plate 1112 is electrically connected described control panel 112, and is subjected to the control of described control panel 112.Described liquid crystal panel unit 1111 is electrically connected described time schedule controller plate 1112, and is subjected to the control of described time schedule controller plate 1112 and shows specific information.Described control panel 112 is electrically connected described management system 14, in order to accept the correction signal from described management system 14, controls described panel 111 to produce control signal.
Described detecting device 12 is in order to the display qualities such as gray scale, colour temperature, brightness or briliancy of the described liquid crystal panel unit 1111 that detects described panel 111, to produce detection signal.Described analyzer 13 is electrically connected described detecting device 12, in order to analyze the detection signal from described detecting device 12, to produce analytic signal.Described management system 14 is computing machine, and it is electrically connected described analyzer 13, in order to analyze the analytic signal from described analyzer 13, to produce correction signal.Described correction signal exports described control panel 112 to.
After above-mentioned detection and aligning step, described control panel 112 namely along with described flat-panel screens 11 together shipment to the client, to guarantee the display quality of described flat-panel screens 11.Yet the shortcoming of described control panel 112 is that it is the integrated circuit (IC) that an encapsulation is finished, thereby when the size of described flat-panel screens 11 not simultaneously, must again develop new control panel, so, not only labor intensive and time, and the control panel of some brand even exploitation are not out.
Therefore, be necessary to provide innovation and the flat-panel screens of rich progressive and detection and the corrective system of flat-panel screens, to address the above problem.
Summary of the invention
The invention provides a kind of flat-panel screens, it comprises control panel (Control Board), programmable device (Programmable Device) and panel (Panel).Described control panel (Control Board) is in order to communicate with the outside.Described programmable device (Programmable Device) is electrically connected described control panel and management system, and changes the data in it in order to the signal of accepting described management system.Described panel (Panel) is electrically connected described programmable device, and the data of described programmable device after according to change in it are changed data in the described panel, and the data of described panel after according to change in it show.
The present invention provides a kind of detection and corrective system of flat-panel screens in addition, and it comprises flat-panel screens, detecting device, analyzer, management system, control panel and programmable device.Described flat-panel screens comprises panel, in order to show specific information.Described detecting device is in order to detect described panel, to produce detection signal.Described analyzer is electrically connected described detecting device, in order to analyze the detection signal from described detecting device, to produce analytic signal.
Described management system is electrically connected described analyzer, and described management system inside comprises that a plurality of preset data supply the user to select, and described management system analysis compares from the analytic signal of described analyzer and with the preset data of selecting, to produce correction signal.Described control panel is in order to communicating with the outside, and is electrically connected described management system to accept the signal from described management system.
Described programmable device is electrically connected described control panel and described management system, in order to accept changing data in it from the correction signal of described management system and according to described correction signal, described programmable device also is electrically connected described panel, the data of described programmable device after according to change in it are changed data in the described panel, and the data of described panel after according to change in it show.
Whereby, described detection and corrective system be as long as the collocation different software namely applicable to the flat-panel screens of different size, thereby can reduce time and the manpower of research and development, and can reduce production costs.
Description of drawings
Fig. 1 shows the detection of conventional flat-panel screens and the synoptic diagram of corrective system;
Fig. 2 shows the detection of flat-panel screens of the present invention and the synoptic diagram of corrective system;
Fig. 3 shows the block diagram that is used in programmable device of the present invention; And
The gamma curve of Fig. 4 display plane display (Gamma Curve), wherein curve a represents the curve of gamma 2.0 (Gamma2.0), curve b represents not use the grey scale curve of detection of the present invention and corrective system, and curve c represents to use the grey scale curve after detection of the present invention and the corrective system.
Embodiment
With reference to figure 2, show the detection of flat-panel screens of the present invention and the synoptic diagram of corrective system.Described detection and corrective system 2 comprise flat-panel screens 21, detecting device 22, analyzer 23 and management system 24.Described flat-panel screens 21 comprises control panel (Control Board) 212, programmable device (Programmable Device) 213 and panel (Panel) 211.
Described control panel 212 is in order to communicate with the outside.In the present embodiment, described control panel 212 is electrically connected described management system 24, in order to accept and to send the signal from described management system 24.Described programmable device 213 is electrically connected described control panel 212 and described management system 24, and changes the data in it in order to the correction signal of accepting described management system 24.Described panel 211 is electrically connected described programmable device 213, and the data of described programmable device 213 after according to change in it are changed the data in the described panel 211, so that the data of described panel 211 after according to change in it show.
In the present embodiment, described panel 211 comprises liquid crystal panel unit 2111 and time schedule controller plate (TimingController Board) 2112.Described time schedule controller plate 2112 is electrically connected described programmable device 213, and is subjected to the control of described programmable device 213.Described liquid crystal panel unit 2111 is electrically connected described time schedule controller plate 2112, and is subjected to the control of described time schedule controller plate 2112 and shows specific information.
In the present embodiment, described control panel 212 and described programmable device 213 are positioned at described flat-panel screens 21.Yet be understandable that described control panel 212 and described programmable device 213 also can be positioned at outside the described flat-panel screens 21.
In the present embodiment, described programmable device 213 is field programmable gate array (Field Programmable GateArray, FPGA), and its block diagram as shown in Figure 3.Described programmable device 213 comprises block type random access memory (Block RAM) 31, soft nuclear (Softcore) processor 32, sign register 33.In addition, described programmable device 213 more arranged in pairs or groups Low Voltage Differential Signal (Low Voltage Differential Signaling, LVDS) receptacle 36, button (Key)/light emitting diode (LED) 37, RS232 connectivity port 38, iic bus 39, the flash memory (Flash Memory) 40 of 8Mb, the Synchronous Dynamic Random Access Memory (SDRAM) 41 of 128Mb, pin for subsequent use (Spare Pin) 42 and at least one LVDS forwarder 43.
The function mode of described detection and corrective system 2 is as follows.It at first is setting up procedure, utilize described management system 24 (for example computing machine) to send enabling signal, transmit Low Voltage Differential Signal (LVDS) so that be positioned at the calibration device (Scaler) 44 of described control panel 212, described Low Voltage Differential Signal enters described programmable device 213 after converting digital signal to via described LVDS receptacle 36.After processing, gamma table (Gamma Table) in the look-up table of described digital signal in being stored in described block type random access memory 31 starts digital signal to produce one, described startup digital signal is deposited at first described sign register 33, converts the LVDS signal to via described LVDS forwarder 43 more afterwards and writes to the sign register (not shown) of described panel 211 inside.At this moment, the liquid crystal panel unit 2111 of described panel 211 namely shows according to described gamma table (Gamma Table).
Then be to detect and aligning step, utilize described detecting device 22 to detect the display qualities such as gray scale, colour temperature, brightness or briliancy of the liquid crystal panel unit 2111 of described panel 211, to produce detection signal.Described analyzer 23 is electrically connected described detecting device 22, and it is in order to analyze the detection signal from described detecting device 22, to produce analytic signal.
Described management system 24 (for example computing machine) is electrically connected described analyzer 23, and its inside is set up in advance a plurality of preset data and selected for users.For example, described preset data comprises the gamma table (Gamma Table) of various standards, for example gamma 2.0 (Gamma 2.0), gamma 2.1 (Gamma 2.1), gamma 2.5 (Gamma 2.5) and gamma 1.0 (Gamma 1.0) etc.After the user selects a preset data (for example gamma 2.0 (Gamma 2.0)), described management system 24 analyze from the analytic signal of described analyzer 23 and with the described preset data of selecting (for example gamma 2.0 (Gamma 2.0)) its both difference that compares, to produce correction signal.Described correction signal is in order to meet the required data of preset data (for example gamma 2.0 (Gamma 2.0)), and it also is a gamma table (Gamma Table).
Then, described correction signal is sent to described soft nuclear (Softcore) processor 32 of described programmable device 213 via described RS232 connectivity port 38.Be noted that described correction signal is without described control panel 212 at this moment.Then, described soft nuclear (Softcore) processor 32 is stored in described correction signal (for example described gamma table (Gamma Table)) in the described block type random access memory 31 and goes out a look-up table (Lookup Table) with construction.
Described correction signal is deposited at described sign register 33 simultaneously, convert the LVDS signal to via described LVDS forwarder 43 more afterwards and write to the sign register (not shown) of described panel 211 inside, with the gamma table in the sign register of again changing described panel 211 inside (Gamma Table).At this moment, the liquid crystal panel unit 2111 of described panel 211 namely shows according to new gamma table (Gamma Table).If necessary, can repeat more than above-mentioned step detects and proofread and correct once.
In addition, the present invention more provides the function of gamma table (Gamma Table) data backup after upgrading to described flash memory 40, carry out perhaps execution during the gamma table (Gamma Table) in the sign register that upgrades described panel 211 inside during the gamma table (Gamma Table) of this action in may the look-up table in upgrading described block type random access memory 31.Can guarantee that so described detection and corrective system 2 can have up-to-date gamma table (Gamma Table) data in shutdown and after restarting.
The advantage of described detection of the present invention and corrective system 2 is that described programmable device 213 cooperates described soft nuclear (Softcore) processor 32 and can reach reconfigurable characteristic, in order to utilize the family to revise or arrange its system.Therefore as long as the collocation different software namely applicable to the flat-panel screens of different size, can reduce whereby time and the manpower of research and development, and can reduce production costs.
With reference to figure 4, the gamma curve (Gamma Curve) that shows a flat-panel screens, wherein curve a represents the grey scale curve of gamma 2.0 (Gamma 2.0), curve b represents not use the grey scale curve of detection of the present invention and corrective system 2, and curve c represents to use the grey scale curve after detection of the present invention and the corrective system 2.By finding out among the figure, use the display quality that can make flat-panel screens after detection of the present invention and the corrective system 2 more to level off to selected preset data (for example gamma 2.0 (Gamma 2.0)), namely the display quality of described flat-panel screens can be even more ideal.
Above-described embodiment only is explanation principle of the present invention and its effect, and unrestricted the present invention, so the those skilled in the art makes amendment to above-described embodiment and changes and still do not break away from spirit of the present invention.Interest field of the present invention should be listed such as the claims of enclosing.
Claims (11)
1. flat-panel screens, it comprises:
Control panel, it is in order to communicate with the outside;
Programmable device, it is electrically connected described control panel and management system, wherein said management system inside comprises that a plurality of preset data supply the user to select, described management system analysis compares from the analytic signal of analyzer and with the preset data of selecting, with the generation correction signal, and described programmable device is changed the data in it in order to the correction signal of accepting described management system; And
Panel, it is electrically connected described programmable device, and the data of described programmable device after according to change in it are changed data in the described panel, and the data of described panel after according to change in it show.
2. flat-panel screens according to claim 1, wherein said programmable device is field programmable gate array.
3. flat-panel screens according to claim 1, wherein said panel comprises liquid crystal panel unit and time schedule controller plate, described time schedule controller plate is electrically connected described programmable device, and be subjected to the control of described programmable device, described liquid crystal panel unit is electrically connected described time schedule controller plate, and is subjected to the control of described time schedule controller plate and shows specific information.
4. the detection of a flat-panel screens and corrective system, it comprises:
Flat-panel screens, it comprises panel, in order to show specific information;
Detecting device, it is in order to detect described panel to produce detection signal;
Analyzer, it is electrically connected described detecting device, in order to analyze detection signal from described detecting device to produce analytic signal;
Management system, it is electrically connected described analyzer, and described management system inside comprises that a plurality of preset data supply the user to select, and described management system analysis compares from the analytic signal of described analyzer and with the preset data of selecting, to produce correction signal;
Control panel, it is in order to communicating with the outside, and is electrically connected described management system to accept the signal from described management system; And
Programmable device, it is electrically connected described control panel and described management system, in order to accept changing data in it from the correction signal of described management system and according to described correction signal, described programmable device also is electrically connected described panel, the data of described programmable device after according to change in it are changed data in the described panel, and the data of described panel after according to change in it show.
5. detection according to claim 4 and corrective system, wherein said panel comprises liquid crystal panel unit and time schedule controller plate, described time schedule controller plate is electrically connected described programmable device, and be subjected to the control of described programmable device, described liquid crystal panel unit is electrically connected described time schedule controller plate, and is subjected to the control of described time schedule controller plate and shows specific information.
6. detection according to claim 4 and corrective system, gray scale, colour temperature, brightness or the briliancy of wherein said detecting device in order to detect described panel.
7. detection according to claim 4 and corrective system, wherein said management system is computing machine.
8. detection according to claim 4 and corrective system, wherein said preset data comprises the gamma table of various standards.
9. detection according to claim 4 and corrective system, wherein said control panel and described programmable device are positioned at described flat-panel screens.
10. detection according to claim 4 and corrective system, wherein said control panel and described programmable device are positioned at outside the described flat-panel screens.
11. detection according to claim 4 and corrective system, wherein programmable device is field programmable gate array.
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| CN 200910136418 CN101882412B (en) | 2009-05-06 | 2009-05-06 | Flat panel display and detection and correction system of same |
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| CN 200910136418 CN101882412B (en) | 2009-05-06 | 2009-05-06 | Flat panel display and detection and correction system of same |
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| CN105528976B (en) * | 2016-01-29 | 2018-06-05 | 深圳中科维优科技有限公司 | All automatic measurement and the apparatus and method of calibration display screen gamma curve |
| CN108459862B (en) * | 2018-05-16 | 2022-02-15 | 昆山龙腾光电股份有限公司 | Code burning method and liquid crystal display module |
| CN109285490A (en) * | 2018-09-30 | 2019-01-29 | 重庆惠科金渝光电科技有限公司 | Data processing method, data processing system and computer readable storage medium |
| US10902761B2 (en) | 2018-09-30 | 2021-01-26 | Chongqing Hkc Optoelectronics Technology Co., Ltd. | Quality determination method of a display panel, determination system and computer readable storage medium |
| CN109979365B (en) * | 2019-03-22 | 2021-08-06 | 惠科股份有限公司 | Debugging method, driving method of display device and display device |
| CN113382500A (en) * | 2021-06-07 | 2021-09-10 | 厦门佰晟电子有限公司 | Backlight constant brightness control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713254A (en) * | 2004-06-16 | 2005-12-28 | 三星Sdi株式会社 | Organic light emitting display and control method thereof |
| CN101014990A (en) * | 2004-07-20 | 2007-08-08 | 伊斯曼柯达公司 | Uniformity and brightness correction in OLED displays |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713254A (en) * | 2004-06-16 | 2005-12-28 | 三星Sdi株式会社 | Organic light emitting display and control method thereof |
| CN101014990A (en) * | 2004-07-20 | 2007-08-08 | 伊斯曼柯达公司 | Uniformity and brightness correction in OLED displays |
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