CN110286491A - Display device for X-ray film projection Imaging enhanced - Google Patents
Display device for X-ray film projection Imaging enhanced Download PDFInfo
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- CN110286491A CN110286491A CN201910560161.9A CN201910560161A CN110286491A CN 110286491 A CN110286491 A CN 110286491A CN 201910560161 A CN201910560161 A CN 201910560161A CN 110286491 A CN110286491 A CN 110286491A
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- ray film
- mould group
- transmittance
- display device
- sensor
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/022—Viewing apparatus
- G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
Abstract
The present invention provides a kind of display device for X-ray film projection Imaging enhanced.Display device includes casing frame, the illuminating module with multiple luminescence units, fixed module, the sensor, detecting mould group and control unit to detect light transmittance size for being surrounded on display screen area.Detecting mould group includes multiple transmittance sensors of sequential.When fixed module is pressed from both sides upper X-ray film and is set on casing frame, multiple luminescence units are adjusted to hi-bright mode according to the detection signal of sensor by control unit, and are controlled detecting mould group self-retaining mould group and slided towards shell framework underside side；During detecting the sliding of mould group, multiple transmittance sensor scannings obtain the transmittance data on X-ray film, and control unit carries out local dimming according to multiple luminescence units that the transmittance data controls illuminating module.X-ray film projection image exquisiteness degree can be strengthened through the invention, to promote the added value of medical display.
Description
Technical field
The present invention relates to medical display devices, fill more particularly to a kind of display for X-ray film projection Imaging enhanced
It sets.
Background technique
Traditional X-ray lamp box is that the unit illuminated is done using fluorescent tube, and light source need to be the standard color temperature and color of 5000K
Temperature is more stable, and lighting tube brightness is more uniform inside lamp box, and the influence using brightness decay long afterwards is lower, and lamp tube service life is longer, lamp
There is the fixing clamp of clamping X-ray film above case.
There is part machine to added lamp box (light box) mode on medical professionalism display at present, facilitates medical people
Member directly utilizes medical display on hand when diagnosing or parsing X-ray film, replaces traditional X-ray film lamp box.It is existing aobvious
Show device lamp box mode can by the brightness adjustment of display backlight to most bright or suitable brightness to illuminate X-ray film, such as
The LED particle that is used by screen illuminating or fluorescent tube are by brightness adjustment to being suitble to illuminate X-ray film.
For in the use of doctor or medical environment, if can be by X-ray film, especially subtle variation be done bright
The reinforcing effect of dark degree, may beat bright mode compared with the backlight of single brightness, the lump or particle subtle for affected part early period
Just more have an opportunity to be found early.But it is one-dimensional linear backlight control mode that general curative display, which is usually arranged in pairs or groups, adjusts brightness
Method be simultaneously to synchronize full wafer display area to lighten or dim, being difficult when as lamp box mode will be extremely fine in X-ray film
Greasy Picture Showing is presented by different light and shade variations.
Currently there is the skill of development collocation local dimming (local dimming) in competing, household application market the high-order display of electricity
The backlight of partial region is mainly done light and shade by the white or black content judged in pixel by the technology of art, local dimming
Change luminance compensation, the comparison degree for reinforcing display allows and uses the product by the user so that the fine and smooth degree of picture can be reinforced
Experience sense reinforced, reach the maximization of value of the product.
Although display is divided block and is to be somebody's turn to do by the method that interpretation shows that content makees liquid crystal area Block Brightness compensation
Field personnel's known techniques, but if can be reached by the technical application of above-mentioned local dimming in X-ray lamp box mode with expectation
Some problems generations are had to Picture Showing is detailed-oriented.Because above-mentioned local dimming judges the content of pixel mainly to adjust
The adjustment of regional area backlight, but X-ray film is the presentation content decided on a verdict, and X-ray film is the object of hypostazation,
It has no idea directly to judge pixel content, also just can not do luminance compensation for the pixel certainly.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of display device for X-ray film projection Imaging enhanced, can
Light source of the adjustment for projection is controlled, according to the film transmittance data detected to strengthen the fine and smooth journey of film projection image
Degree.
Display device for X-ray film projection Imaging enhanced of the invention includes the shell frame for being surrounded on display screen area
Frame and the illuminating module being set in casing frame, casing frame includes successively adjacent first side, second side, third side
Side and four side, illuminating module include multiple luminescence units of array distribution, and multiple luminescence units are used for as display screen area
There is provided can local dimming light source.The display device further includes to clamp the fixed module of X-ray film, be installed on casing frame
Sensor, detecting mould group and control unit to detect light transmittance size.Fixed module is removably installed in shell
On frame and adjacent to first side.Sensor separates or covers the state closed with casing frame to detect fixed module.Detecting
Mould group can be slidingly arranged on casing frame along second side and four side, and detecting mould group includes sequential in second side
Multiple transmittance sensors between Bian Yu four side.Control unit signal is connected to sensor, detecting mould group and luminous mould
Group.Wherein, when fixed module is pressed from both sides upper X-ray film and is set on casing frame, control unit is believed according to the detection of sensor
Number multiple luminescence units are adjusted to hi-bright mode, and the direction for controlling detecting mould group self-retaining mould group towards third side is slided；
During the direction for detecting mould group self-retaining mould group towards third side is slided, multiple transmittance sensor scannings obtain X-ray
Transmittance data on film, control unit carry out part according to multiple luminescence units that the transmittance data controls illuminating module
Light modulation.
Preferably, control unit is according to multiple when the direction for detecting mould group self-retaining mould group towards third side is slided
The size variation for the light transmittance that the scanning of light rate sensor obtains determines that X-ray film is showing the coverage area of screen area, and controls
Illuminating module will correspond to the coverage area and be closed with the luminescence unit of exterior domain.
Preferably, second side and four side are equipped with sliding rail, fixed module is installed on one end of sliding rail, sliding rail it is another
One end extends to third side, and detecting mould group is movably arranged on sliding rail.
Preferably, the initial position of detecting mould group corresponds to fixed module, when detecting mould group self-retaining mould group is towards third side
When the direction sliding on side, the light transmittance size variation for the X-ray film edge that control unit is detected according to detecting mould group, control
Detecting mould group terminates to scan and fixation stops on sliding rail.
Preferably, sensor issues first detection signal when fixed module is separated with casing frame, control unit according to
Multiple luminescence units of first detection signal control illuminating module are switched to hi-bright mode；Sensor is in fixed module and shell frame
The second detection signal is issued when frame lid closes, control unit controls detecting mould group self-retaining mould group towards third according to the second detection signal
It slides in the direction of side.
Preferably, multiple transmittance sensors of multiple luminescence units of illuminating module and detecting mould group have group to group
Corresponding relationship, multiple luminescence units are grouped into form multiple backlight groups.Further, control unit is passed according to multiple light transmittances
X-ray film is divided into multiple light transmittance regions, each by the full wafer transmittance data corresponding to X-ray film that sensor detects
Light transmittance region has corresponding backlight group.
Further, control unit judges on X-ray film in different light transmittances region according to the full wafer transmittance data
The regional scope of Imaging enhanced need to be projected, and the luminescence unit of corresponding backlight group is selected to be dimmed, to strengthen X-ray film
The details for projecting image middle light and/or dark portion is presented.
Or further, the OSD menu of display device provides at least one enhancement mode option, and control unit combines
The enhancement mode option and the full wafer transmittance data of user's selection dim the luminescence unit in multiple backlight groups.Again into
One step, which includes reinforcing highlights mode, reinforce dark portion mode and reinforcing contrast pattern.
Compared with prior art, the display device for X-ray film projection Imaging enhanced of the invention, structure design are new
Grain husk controls local backlight adjustment by the light transmittance variation sensed, to realize that automatic hardening X-ray film projection image is thin
The technical effect of greasy degree.Display device through the invention can need to project X-ray film according to user the corresponding adjustment of image
It is distributed to expected light transmittance, to promote the surcharge and service hoisting Medical Quality of medical display.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the display device that Imaging enhanced is projected for X-ray film of one embodiment of the invention.
Fig. 2 is the system block diagram of the display device that Imaging enhanced is projected for X-ray film of one embodiment of the invention.
Fig. 3 is schematic diagram of the display device of one embodiment of the invention in the case where scanning original state.
Fig. 4 is schematic diagram of the display device of one embodiment of the invention in the case where scanning travel condition.
Fig. 5 is schematic diagram of the display device of one embodiment of the invention in the case where scanning completion status.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Incorporated by reference to referring to Fig. 1 and Fig. 2, Fig. 1 is the display that Imaging enhanced is projected for X-ray film of one embodiment of the invention
The structural schematic diagram of device 100, Fig. 2 are the display device 100 that Imaging enhanced is projected for X-ray film of one embodiment of the invention
System block diagram.Display device 100 includes the casing frame 1 for being surrounded on display screen area 10, the hair being set in casing frame 1
It is optical mode group 2, the fixed module 3 to clamp X-ray film, the sensor 4 for being installed on casing frame 1, big to detect light transmittance
Small detecting mould group 5 and control unit 6.
Casing frame 1 includes successively adjacent first side 11, second side 12, third side 13 and four side 14.
Including but not limited to, casing frame 1 can be rotated relative to the base support of display device 100.First side 11 and third side
13 is opposite, and second side 12 and four side 14 are opposite.In one embodiment, second side 12 and four side 14, which are equipped with, slides
Rail 15, fixed module 3 are installed on one end of sliding rail 15, and the other end of sliding rail 15 extends to third side 13, and detecting mould group 5 is removable
It is set on sliding rail 15 dynamicly.
Illuminating module 2 includes multiple luminescence units 20 of array distribution, and multiple luminescence units 20 are used for as display screen area
10 provide can local dimming light source.Direct-light type LED backlight module in the prior art can provide local dimming, and LED shines single
Member is typically equally distributed in display panel rear, can control the light modulation of LED subregion and single light modulation, possesses the image illuminated higher
Contrast and more light and shade portions details.It is suitable for a new generation such as Micro LED display technology, Micro LED are
To realize local dimming, and it can be generated without colored filter or backlight with single pixel light emission as OLED
Bright image, and possess higher brightness and almost limitless contrast.
Fixed module 3 is removably installed on casing frame 1 and adjacent to first side 11.For convenient for operation, first
Side 11 is preferably the top frame of casing frame 1.Can have fixed grasping structures in fixed module 3, with facilitate clamping and
Fixed all kinds of X-ray films.
Sensor 4 separates or covers the state closed with casing frame 1 to detect fixed module 3.When fixed module 3 and shell
When frame 1 separates, sensor 4 issues first detection signal；When fixed module 3 and the lid of casing frame 1 close, sensor 4 is issued
Second detection signal.
Detecting mould group 5 is set on casing frame 1 in a manner of it can slide relative to second side 12 and four side 14,
Detecting mould group 5 includes multiple transmittance sensors 50 of the sequential between second side 12 and four side 14.Light transmittance
Sensing environment light module in the prior art can be used in sensor 50, can monitor red, green, blue (RGB) visible light and infrared
(IR) signal is applicable to the industrial application that high-precision detects, other than apparent size is small, and this kind of sensing system meeting
Light transmission, RGB visible light, infrared signal and the temperature data of dynamic range are provided, transmittance values can also be calculated according to this.
Control unit 6 is electrically connected at sensor 4, detecting mould group 5 and illuminating module 2.Control unit 6 can be used individual
Chip is handled, also can integrate in the existing control module of display.Sensor 4, detecting mould group 5 can be by wired or wireless
Mode connect with control unit 6.There can be multiple luminescence unit control units in illuminating module 2, and all by wired or wireless
Mode connect with control unit 6；Preferably, each transmittance sensor 50 is with above-mentioned to control the multiple of luminescence unit 20
There is luminescence unit control unit relationship group to group to exist.
Incorporated by reference to referring to Fig. 3 and Fig. 4, Fig. 3 is the display device 100 of one embodiment of the invention in the case where scanning original state
Schematic diagram, Fig. 4 are schematic diagram of the display device 100 of one embodiment of the invention in the case where scanning travel condition.When fixed module 3 is pressed from both sides
Upper X-ray film 900 and when being set on casing frame 1, control unit 6 is according to the detection signal of sensor 4 by multiple luminous lists
Member 20 is adjusted to hi-bright mode, and the direction for controlling detecting 5 self-retaining mould group 3 of mould group towards third side 13 is slided.
Incorporated by reference to referring to fig. 4 and Fig. 5, Fig. 5 be one embodiment of the invention display device showing in the case where scanning completion status
It is intended to.During the direction for detecting 5 self-retaining mould group 3 of mould group towards third side 13 is slided, multiple transmittance sensors 50
Scanning obtains the transmittance data on X-ray film 900, and control unit 6 controls the multiple of illuminating module 2 according to the transmittance data
Luminescence unit 20 carries out local dimming.Luminescence unit 20 in illuminating module 2 can be LED light source, when need to its brightness into
Row adjust when, can by the respective transistor logic circuit in illuminating module 2 carry out gain adjustment, but the present invention not as
Limit.
In practical applications, user can first take down fixed module 3, which generally means that user needs to consolidate
Cover half group 3 is removed to clamp X-ray film 900, and sensor 4 issues the first detection letter when fixed module 3 is separated with casing frame 1
Number, control unit 6 is switched to hi-bright mode according to multiple luminescence units 20 that the first detection signal controls illuminating module 2；It connects
User X-ray film 900 put well again cover fixed module 3, sensor 4 is when fixed module 3 and the lid of casing frame 1 are closed
The second detection signal is issued, control unit 6 detects 5 self-retaining mould group 3 of mould group towards third side according to the second detection signal control
It slides in the direction on side 13.
In another embodiment, when fixed module 3 is separated with casing frame 1, sensor 4 senses variation and issues at this time
First detection signal, then fixed module 3 is closed with the lid of casing frame 1 (at this point, clamping has X-ray film in fixed module 3 again
900), sensor 4 senses variation and issues the second detection signal again, and control unit 6 is believed according to the first detection continuously received
Number and the second detection signal multiple luminescence units 20 are adjusted to hi-bright mode, and control detecting 5 self-retaining mould group 3 of mould group towards the
It slides in the direction of three sides 13.
Preferably, the initial position for detecting mould group 5 corresponds to fixed module 3 (as shown in Figure 3), when detecting mould group 5 is from admittedly
When the direction of cover half group 3 towards third side 13 is slided, control unit 6 is according to 900 edge of X-ray film that detects of detecting mould group 5
The light transmittance size variation at place, control detecting mould group 5 terminates to scan and fixation stops on sliding rail 15 (as shown in Figure 5).When detecing
When the position of survey mould group 5 as shown in Figure 4 is moved to position shown in fig. 5, due to being covered on X-ray film 900 in detecting mould group 5
The light transmittance that senses of transmittance sensor 50 significant change can occur, and then judge that the lower edge of X-ray film 900 is already expired,
The end of scan；Meanwhile detecting the position shown in Fig. 5 of mould group 5 and being fixed on sliding rail 15, it can be used to that X-ray film is auxiliarily fixed, make
The projection image of X-ray film can more smoothly be watched by obtaining user.Preferably, between X-ray film and display 10 surface of screen area
Vertical range be set in 0.5 millimeter or so, fixed module 3 and detecting mould group 5 can be used to be kept fixed X-ray film 900 and aobvious
Show the spacing distance between 10 surface of screen area.
In one embodiment, it is preferable that when the direction for detecting 5 self-retaining mould group 3 of mould group towards third side 13 is slided, control
The size variation for the light transmittance that unit 6 processed is obtained according to the scanning of multiple transmittance sensors 50 determines X-ray film 900 in display screen
The coverage area in curtain area 10, and control illuminating module 2 and will correspond to coverage area and be closed with the luminescence unit 20 of exterior domain.It shines
Luminescence unit 20 in mould group 2 can pass through the phase in illuminating module 2 when needing to turn off or on it for LED light source
Control switch is answered to be adjusted, but the present invention is not limited thereto.
In practical applications, when detecting the position that mould group 5 is located at except display screen area 10, multiple transmittance sensors
50 light transmittances sensed answer it is substantially zeroed, once detecting mould group 5 enter display screen area 10 within, that is, be located at X-ray film 900
Top edge when, due to be to show screen area 10 immediately below X-ray film 900, have a high brightness backlights and beat bright X-ray
Film 900, therefore the light transmittance that mould group 5 may be read into two upper corner locations of X-ray film 900 is detected, and when detecting mould group 5
It can read the light transmittance to two lower corner locations when being moved to the lower edge position of X-ray film 900.Detecting mould group 5 passes through more
It, can be according to this four corner locations after a transmittance sensor 50 senses the transmittance values of 900 4 edges of X-ray film
Carry out the positioning of X-ray film size.Because user is not necessarily the leftmost side that X-ray film 900 is placed on to display screen area 10
Or the rightmost side, and since four common corners of general X-ray film are all black block, and intermediate region can be just display bone
Bone, thoracic cavity etc. can confirm that X-ray film 900 covers on display screen area 10 compared with white image by light transmittance size
The size of lid range, and then determine the range that multiple luminescence units 20 need to open.Light source can be closed if being not required to open, thus
Not only it had saved resource but also had not allowed extra light source that user is interfered to read film.
In one embodiment, multiple transmittance sensors 50 of multiple luminescence units 20 of illuminating module 2 and detecting mould group 5
With corresponding relationship group to group, multiple luminescence units 20 are grouped into form multiple backlight groups.Preferably, control unit 6
The full wafer transmittance data corresponding to X-ray film 900 detected according to multiple transmittance sensors 50, X-ray film 900 is divided
For multiple light transmittance regions, each light transmittance region has corresponding backlight group.Including but not limited to, according to multiple light transmittances
Light transmittance maximum value that sensor 50 detects on X-ray film 900 and light transmittance minimum value, by multiple luminescence units 20 with it is more
A transmittance sensor 50 is organized into groups, to form multiple backlight groups.
In practical applications, the multiple transmittance sensors 50 detected in mould group 5 can be with multiple luminous lists of illuminating module 2
Member 20 is organized into groups in a manner of group.Multiple transmittance sensors 50 recognize the light transmittance highest point detected above X-ray film 900
It is set to most white point；By light transmittance highest point and light transmittance minimum point, multiple luminescence units 20 are made with the marshalling of group, the marshalling of group
The unlimited setting shape of form, the distribution shape of each backlight group can be rectangular or round.Different backlight group shape (it is such as rectangular or
It is round) there may be different effects for the projection of light；For application Micro LED technology framework display device when, can be with
The subtle backlight to pixel size.
In one embodiment, control unit 6 judges different light transmittances on X-ray film 900 according to the full wafer transmittance data
The regional scope of projection Imaging enhanced is needed in region, and the luminescence unit 20 of corresponding backlight group is selected to be dimmed, to strengthen X
The projection image middle light of ray film 900 and/or the details of dark portion are presented.
It in practical applications, can be by the display screen of display device 100 when fixed module 3 clamps upper X-ray film 900
The brightness adjustment in area 10 is to maximum brightness, and detecting mould group 5 can from top to bottom start to read the light transmittance of whole part X-ray film, by X-ray
The whole scan area of film 900 is divided into M*N light transmittance region, and there are corresponding backlight group, backlight in each light transmittance region
Luminescence unit in group can be the arbitrary shapes distribution such as round or rectangular, its projection is taken preferably to be not easy setting for dizzy source of opening the light again
It is fixed.Embodiment description is done to be rectangular with backlight group below.There is corresponding backlight group in each light transmittance region, as number is
The light transmittance region of M1N1 corresponds to backlight group G1.M1N2, the M2N1 on M1N1 light transmittance region and periphery etc. is analyzed thoroughly by program
The light transmittance in light rate region, is compared, to provide the effects of a few types to doctor or medical staff carry out using.
In one embodiment, the OSD menu of display device 100 provides at least one enhancement mode option, 6 knot of control unit
The enhancement mode option of family selection and the transmittance data of whole part X-ray film are shared to the luminescence unit in multiple backlight group
20 are dimmed.Preferably, which includes reinforcing highlights mode, reinforcing dark portion mode and reinforcement pair
Than degree mode.
Reinforce highlights mode, is in a certain compared with white region of X-ray film 900, light transmittance obviously compared with periphery height, can be directed to this
Type reinforces light transmittance, makes the details presentation in black region relatively apparent.Specifically, by being found out in n backlight group
After light rate minimum and maximum characteristic value, n backlight group filtering is carried out according to this feature value, statistics is greater than most dark portion characteristic value
K backlight group is calculated by the reinforcement highlights pattern algorithm that this k backlight group reinforce X-ray film luminance part.For example, by n
It is saturating multiplied by first that the pre-set parameter of luminescence unit in a backlight group in a certain backlight group Gn is adjusted to original pre-set parameter
Light multiplying power factor, wherein the first light transmission multiplying power factor is equal to light transmittance of the maximum transmission rate divided by backlight group Gn, backlight group Gn
Light transmittance be equal to corresponding transmittance sensor 50 measure brightness divided by backlight group Gn predetermined luminance.
In practical operation, determine that the method for light transmittance minimum and maximum characteristic value can in n backlight group are as follows: be directed to whole part
The light transmittance of X-ray film 900 measures, and the corresponding transmittance data of n backlight group is obtained, by light transmittance each in n backlight group
Data are compared one by one, are constantly updated, to determine light transmittance minimum and maximum characteristic value.
Reinforce dark portion mode, be X-ray film 900 a certain light transmittance come secretly compared with the bright place in side (such as bone) but itself
Slightly white region can more be emphasized the white area in order to recognize by reinforcement dark portion.Specifically, by n backlight
After finding out light transmittance minimum and maximum characteristic value in group, and median is taken from most bright feature Distribution value, according to the median
Characteristic value carries out n backlight group filtering, and statistics is less than k backlight group of median characteristic value, is reinforced by this k backlight group
Brightness, for be less than median characteristic value backlight group below, can be more X-ray film blacks range, detectable substance edge or
Develop unconspicuous region, then according to this k backlight group adjustment, less obvious X-ray film dark portion region will can be allowed to reinforce.Example
Such as, by the pre-set parameter of the luminescence unit in backlight group Gn a certain in n backlight group be adjusted to original parameter designated value multiplied by
Second light transmission multiplying power factor, wherein the second light transmission multiplying power factor be equal to median light transmittance divided by backlight group Gn light transmittance,
The light transmittance of backlight group Gn is equal to the brightness of corresponding transmittance sensor 50 measurement divided by the predetermined luminance of backlight group Gn.
It, can also during each transmittance data is compared one by one, updated in n backlight group in practical operation
To update median characteristic value together, so that system is according to detecting mould when user carries out model selection by OSD menu
The transmittance data that group 5 is detected defines minimum, the maximum characteristic value with median in n backlight group.
Reinforce contrast pattern, be by the light transmittance of X-ray film 900 it is low region adjustment it is darker, while by light transmittance compared with
High region adjustment is brighter, this Model Comparison reinforces highlights mode, and effect is similar but more reinforces the dark of the higher block of light transmittance
Portion's details.Specifically, after by finding out light transmittance minimum and maximum characteristic value in n backlight group, n is carried out according to this feature value
Statistics, is greater than k backlight group of most dark portion characteristic value by a backlight group filtering, and it is bright to carry out reinforcement X-ray film by this k backlight group
The algorithm for spending part calculates, and in addition statistics is equal to p backlight group of most dark portion characteristic value, this p backlight group is corresponding luminous
Unit is closed, so that the contrast expression of black and white is obviously strengthened on X-ray film.Control unit 6 is according to each light transmission in detecting mould group 5
The transmittance data of rate sensor 50 and different pattern algorithms are as a result, multiple luminescence units 20 are opened in control illuminating module 2
The range for opening and closing.
The present invention provides a series of design of mechanisms and overcomes the problems, such as with system architecture insurmountable in the prior art, and can mention
Optimal selection and setting are done to user for several the mode options for strengthening X-ray film exquisiteness degree.
Display device for X-ray film projection Imaging enhanced of the invention, novel in structural design are saturating by what is sensed
The variation of light rate adjusts to control local backlight, to realize the technical effect of automatic hardening X-ray film projection image exquisiteness degree.
Display device through the invention can need to project X-ray film image correspondence according to user and be adjusted to expected light transmittance point
Cloth, to promote the surcharge and service hoisting Medical Quality of medical display.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (10)
1. a kind of display device for X-ray film projection Imaging enhanced, which includes being surrounded on display screen area
Casing frame and the illuminating module being set in the casing frame, which includes successively adjacent first side, second
Side, third side and four side, the illuminating module include multiple luminescence units of array distribution, and multiple luminescence unit is used
In for the display screen area provide can local dimming light source；It is characterized in that the display device further include:
To clamp the fixed module of X-ray film, which is removably installed on the casing frame and adjacent to this
First side；
It is installed on the sensor of the casing frame, which separates or cover conjunction with the casing frame to detect the fixed module
State；
To detect the detecting mould group of light transmittance size, which can be slidably arranged along the second side and four side
In on the casing frame, which includes multiple light transmittances of the sequential between the second side and the four side
Sensor；And
Control unit, the control unit signal are connected to the sensor, the detecting mould group and the illuminating module；
Wherein, when the fixed module is pressed from both sides upper X-ray film and is set on the casing frame, the control unit is according to the sensor
Detection signal multiple luminescence unit is adjusted to hi-bright mode, and control the detecting mould group from the fixed module towards the third
It slides in the direction of side；It is multiple during the detecting mould group is slided from the fixed module towards the direction of the third side
Transmittance sensor scanning obtains the transmittance data on the X-ray film, which should according to transmittance data control
Multiple luminescence unit of illuminating module carries out local dimming.
2. display device as described in claim 1, which is characterized in that when the detecting mould group is from the fixed module towards the third side
When the direction sliding on side, the size variation for the light transmittance which obtains according to the scanning of multiple transmittance sensor is determined
The X-ray film the display screen area coverage area, and control the illuminating module will correspond to the coverage area with exterior domain
Luminescence unit close.
3. display device as described in claim 1, which is characterized in that the second side and the four side are equipped with sliding rail,
The fixed module is installed on one end of the sliding rail, and the other end of the sliding rail extends to the third side, and the detecting mould group is removable
Ground is set on the sliding rail.
4. display device as described in claim 1, which is characterized in that the initial position of the detecting mould group corresponds to the stent
Group, when the detecting mould group is slided from the fixed module towards the direction of the third side, the control unit is according to the detecting mould group
The light transmittance size variation of the X-ray film edge detected, controlling the detecting mould group terminates to scan and fix to stop at this
On sliding rail.
5. display device as described in claim 1, which is characterized in that the sensor is in the fixed module and the casing frame point
From when issue first detection signal, which controls multiple luminous list of the illuminating module according to the first detection signal
Member is switched to hi-bright mode；The sensor issues the second detection signal, the control when the fixed module and the casing frame lid are closed
Unit processed controls the detecting mould group according to the second detection signal and slides from the fixed module towards the direction of the third side.
6. display device as described in claim 1, which is characterized in that multiple luminescence unit of the illuminating module and the detecting
Multiple transmittance sensor of mould group has corresponding relationship group to group, and multiple luminescence unit is grouped into form multiple back
Light group.
7. display device as claimed in claim 6, which is characterized in that the control unit is detectd according to multiple transmittance sensor
The X-ray film is divided into multiple light transmittance regions, Mei Getou by the full wafer transmittance data corresponding to the X-ray film measured
Light rate region has corresponding backlight group.
8. display device as claimed in claim 7, which is characterized in that the control unit judges according to the full wafer transmittance data
The regional scope of projection Imaging enhanced is needed in different light transmittances region on the X-ray film, and selects shining for corresponding backlight group
Unit is dimmed, to strengthen the projection image middle light of the X-ray film and/or the details presentation of dark portion.
9. display device as claimed in claim 7, which is characterized in that the OSD menu of the display device provides at least one increasing
Strong mode option, the enhancement mode option and the full wafer transmittance data of control unit combination user selection are to multiple backlight
Luminescence unit in group is dimmed.
10. display device as claimed in claim 9, which is characterized in that at least one enhancement mode option includes that reinforcement is bright
Portion's mode reinforces dark portion mode and reinforces contrast pattern.
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| CN111297384A (en) * | 2020-04-28 | 2020-06-19 | 中国人民解放军北部战区总医院 | Radiographic image angle adjusting device |
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| CN110286491B (en) | 2021-07-02 |
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