CN204204383U - There is the medical display of brightness and curve auto-calibration function - Google Patents
There is the medical display of brightness and curve auto-calibration function Download PDFInfo
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- CN204204383U CN204204383U CN201420739131.7U CN201420739131U CN204204383U CN 204204383 U CN204204383 U CN 204204383U CN 201420739131 U CN201420739131 U CN 201420739131U CN 204204383 U CN204204383 U CN 204204383U
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Abstract
The utility model discloses a kind of medical display with brightness and curve auto-calibration function, it comprises: front sensors, backlight sensor, first arm processor, second arm processor, FPGA processor, backlight drive circuit, liquid crystal panel and " curve auto-calibration " menu item, described front sensors is connected with the first arm processor, first arm processor is connected with FPGA processor, backlight sensor is connected with the second arm processor, second arm processor is connected with backlight drive circuit, described FPGA processor is all connected with liquid crystal panel with backlight drive circuit.The utility model improves between different majors display and the brightness uniformity of same Professional display monitor different time sections, and the standard that picture (GTG) shows, image information can be reacted more really, further increase the accuracy of diagnosis, and for finding that the early stage focus of patient is significant.
Description
Technical field
The utility model relates to a kind of medical display with brightness and curve auto-calibration function.
Background technology
The display without brightness automatic calibration function can be decayed along with the growth brightness of service time; in addition; doctor often can adopt when diagosis two displays simultaneously diagosis to carry out the comparative analysis of two pictures; two displays without brightness automatic calibration function are difficult to guarantee the consistance of brightness; and the discernment of human eye to picture is different under different brightness, be easy to cause mistaken diagnosis or be difficult to make a definite diagnosis.
Human eye is not linear curve to the reaction of the contrast under different light rays.Under lower light, we can perceive the subtle change of brightness.Under stronger light, brightness needs very large change just can make us feel to some extent.According to this principle, we just can draw the curve of relation between bar brightness and our sensation.Have a unified standard in order to ensure all brightness sensation of display to our eyes for radiating medical, AAPM Task Group18 tissue have developed DICOM curve.The calibration curve system of display can guarantee that the characteristic curve relation curve of brightness (DDL with) of display is consistent with typical curve (as DICOM curve), but along with the aging of equipment and the change of environment, the characteristic curve of display may depart from typical curve, and curve auto-calibration function well solves this problem, thus guarantee that each image is consistent with true to nature when each display.
Summary of the invention
In order to solve the above-mentioned shortcoming of traditional monitor, providing a kind of and can guarantee the stability of display brightness and the lasting conforming medical display with brightness and curve auto-calibration function of accuracy and display characteristics curve and typical curve.
The technical solution of the utility model is as follows: a kind of medical display with brightness and curve auto-calibration function, it comprises: front sensors, backlight sensor, first arm processor, second arm processor, FPGA processor, backlight drive circuit, liquid crystal panel and " curve auto-calibration " menu item, described front sensors is connected with the first arm processor, first arm processor is connected with FPGA processor, backlight sensor is connected with the second arm processor, second arm processor is connected with backlight drive circuit, described FPGA processor is all connected with liquid crystal panel with backlight drive circuit.
Further, described second arm processor has backlight reference value corresponding to different backlight gear, and itself and backlight sensor communication obtain real-time backlight value, and more real-time backlight value and backlight reference value.
Further, arm processor has standard curve information corresponding to corresponding backlight gear, can communicate with front sensors and obtain real-time brightness of display screen, the brightness that the real-time brightness of display screen that under more current DDL, front sensors measures is corresponding with typical curve, corresponding adjustment is carried out when the two is unequal, reconfigure RGB proportioning, and pass through FPGA processor by new proportioning information transmission to display screen, until the brightness of display screen is equal with the brightness of corresponding typical curve under current DDL.
The utility model has following beneficial effect: the medical display that the utility model has brightness and curve auto-calibration function improves between different majors display and the brightness uniformity of same Professional display monitor different time sections, and the standard that picture (GTG) shows, image information can be reacted more really, further increase the accuracy of diagnosis, and for finding that the early stage focus of patient is significant.
Accompanying drawing explanation
Fig. 1 is high-level schematic functional block diagram of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage are clearly understood, to develop simultaneously embodiment, further describe the utility model referring to accompanying drawing.
As shown in Figure 1, a kind of medical display with brightness and curve auto-calibration function, it comprises: front sensors, backlight sensor, first arm processor, second arm processor, FPGA processor, backlight drive circuit, liquid crystal panel and " curve auto-calibration " menu item, described front sensors is connected with the first arm processor, first arm processor is connected with FPGA processor, backlight sensor is connected with the second arm processor, second arm processor is connected with backlight drive circuit, described FPGA processor is all connected with liquid crystal panel with backlight drive circuit.Front sensors is positioned over the edge in the front visible region of display screen, for measuring the brightness of perception display screen in real time.Backlight sensor is installed on display screen back, in order to measure perception backlight value in real time.Wherein the backlight value of perception display screen measured in real time by backlight sensor, second arm processor obtains this real-time backlight value and compares with the backlight reference value self stored, corresponding adjustment is carried out when the two is unequal, by increasing or reduce the backlight illumination that backlight value controls backlight drive board and then controls display screen, this adjustment process continues always until backlight value is equal with backlight reference value in real time, makes display screen reach normal brightness.When after selection " curve auto-calibration " menu item, display meeting arrival curve checking mode, first arm processor starts 256 DDL sending out 0-255 successively, front sensors can measure display screen screen intensity corresponding to each DDL, first arm processor has standard curve information corresponding to corresponding backlight gear, first arm processor obtains this brightness value and compares with the brightness value of the typical curve self stored under current DDL, corresponding adjustment is carried out when the two is unequal, reconfigure RGB proportioning, and pass through FPGA processor by new proportioning information transmission to display screen, until the brightness of display screen is equal with the brightness of corresponding typical curve under current DDL.Start the brightness regulation under next DDL after brightness regulation under current DDL, until the brightness under 256 DDL all regulates complete, make the characteristic curve of display screen consistent with typical curve.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, can also make some improvement under the prerequisite not departing from the utility model principle, these improvement also should be considered as protection domain of the present utility model.
Claims (3)
1. one kind has the medical display of brightness and curve auto-calibration function, it is characterized in that: comprising: front sensors, backlight sensor, first arm processor, second arm processor, FPGA processor, backlight drive circuit, liquid crystal panel and " curve auto-calibration " menu item, described front sensors is connected with the first arm processor, first arm processor is connected with FPGA processor, backlight sensor is connected with the second arm processor, second arm processor is connected with backlight drive circuit, described FPGA processor is all connected with liquid crystal panel with backlight drive circuit.
2. the medical display with brightness and curve auto-calibration function according to claim 1, it is characterized in that: described second arm processor has backlight reference value corresponding to different backlight gear, itself and backlight sensor communication obtain real-time backlight value, and more real-time backlight value and backlight reference value.
3. the medical display with brightness and curve auto-calibration function according to claim 1, it is characterized in that: arm processor has standard curve information corresponding to corresponding backlight gear, can communicate with front sensors and obtain real-time brightness of display screen, the brightness that the real-time brightness of display screen that under more current DDL, front sensors measures is corresponding with typical curve, corresponding adjustment is carried out when the two is unequal, reconfigure RGB proportioning, and pass through FPGA processor by new proportioning information transmission to display screen, until the brightness of display screen is equal with the brightness of corresponding typical curve under current DDL.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420739131.7U CN204204383U (en) | 2014-11-30 | 2014-11-30 | There is the medical display of brightness and curve auto-calibration function |
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| CN201420739131.7U CN204204383U (en) | 2014-11-30 | 2014-11-30 | There is the medical display of brightness and curve auto-calibration function |
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| CN204204383U true CN204204383U (en) | 2015-03-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681007A (en) * | 2015-03-16 | 2015-06-03 | 南京巨鲨显示科技有限公司 | Working method of real-time multi-order brightness stabilization system |
| CN106157904A (en) * | 2015-04-22 | 2016-11-23 | 深圳市巨烽显示科技有限公司 | Liquid crystal display and display auto-correction method thereof and device |
| CN106356028A (en) * | 2016-11-25 | 2017-01-25 | 南京巨鲨显示科技有限公司 | Method and system for realizing brightness continuous consistency of display device |
| WO2017059605A1 (en) * | 2015-10-07 | 2017-04-13 | 南京巨鲨显示科技有限公司 | Display grayscale curve correction system and method for mammary gland molybdenum target image |
| CN110534072A (en) * | 2019-07-22 | 2019-12-03 | 南京巨鲨显示科技有限公司 | A kind of real-time correction method of portable diagnostic display |
-
2014
- 2014-11-30 CN CN201420739131.7U patent/CN204204383U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681007A (en) * | 2015-03-16 | 2015-06-03 | 南京巨鲨显示科技有限公司 | Working method of real-time multi-order brightness stabilization system |
| CN104681007B (en) * | 2015-03-16 | 2018-05-01 | 南京巨鲨显示科技有限公司 | A kind of method of work of the multistage brightness stability system of real-time |
| CN106157904A (en) * | 2015-04-22 | 2016-11-23 | 深圳市巨烽显示科技有限公司 | Liquid crystal display and display auto-correction method thereof and device |
| CN106157904B (en) * | 2015-04-22 | 2018-07-03 | 深圳市巨烽显示科技有限公司 | Liquid crystal display and its display auto-correction method and device |
| WO2017059605A1 (en) * | 2015-10-07 | 2017-04-13 | 南京巨鲨显示科技有限公司 | Display grayscale curve correction system and method for mammary gland molybdenum target image |
| US10467738B2 (en) | 2015-10-07 | 2019-11-05 | Nanjing Jusha Display Technology Co., Ltd. | Display gray scale curve correction system and method for molybdenum target mammography |
| CN106356028A (en) * | 2016-11-25 | 2017-01-25 | 南京巨鲨显示科技有限公司 | Method and system for realizing brightness continuous consistency of display device |
| CN110534072A (en) * | 2019-07-22 | 2019-12-03 | 南京巨鲨显示科技有限公司 | A kind of real-time correction method of portable diagnostic display |
| CN110534072B (en) * | 2019-07-22 | 2021-06-08 | 南京巨鲨显示科技有限公司 | Real-time correction method for portable diagnosis display |
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