CN105632457B - The display that mode automatically switches - Google Patents
The display that mode automatically switches Download PDFInfo
- Publication number
- CN105632457B CN105632457B CN201610104272.5A CN201610104272A CN105632457B CN 105632457 B CN105632457 B CN 105632457B CN 201610104272 A CN201610104272 A CN 201610104272A CN 105632457 B CN105632457 B CN 105632457B
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- frame
- display
- proximity sensors
- display panel
- adjuster
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- 230000007246 mechanism Effects 0.000 claims description 40
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention provides the display that one mode automatically switches, and can automatically switch display pattern, which includes shell, display panel, adjuster and multiple proximity sensors；The shell has display window and the framework around the display window；The display panel configurations are in the display window；The adjuster connects the display panel, display pattern of the adjuster to switch the display panel；Multiple proximity sensor configurations are in the framework, whether multiple proximity sensor detecting has veil close to multiple proximity sensor, and judge whether the veil is less than close to the distance of multiple proximity sensor apart from critical value, so that the adjuster switches the display panel to corresponding display pattern.
Description
Technical Field
The present invention relates to a display, and more particularly, to a display with automatic mode switching.
Background
Generally, a key set for adjusting an On-Screen Display (OSD) function is disposed On the Display body, and a user can turn On an OSD menu after pressing the key set, and adjust an On-Screen Display mode or an adjustable parameter (such as contrast, saturation, brightness value or color difference value) under the OSD menu.
In addition, in the medical display, in order to facilitate the medical staff to diagnose or analyze the X-ray film, the medical display at hand can be used to replace the conventional X-ray film lamp box to read the correct information in real time, and part of the display has a lamp box (light box) mode. However, the medical staff may not use the OSD menu, and even the staff is not willing to press the key and operate the OSD menu, so that the shortage in usability (usability) is slightly overcome, and the current functional deficiency needs to be improved to meet the requirement of humanization.
Disclosure of Invention
The invention aims to provide a display with an automatic mode switching function, which can detect whether a shielding object is close to or away from the shielding object so as to switch the display mode of a display panel and meet the requirement of humanization.
In order to achieve the above object, the present invention provides a display, including a housing, a display panel, an adjuster and a plurality of proximity sensors; the shell is provided with a display window and a frame body surrounding the display window; the display panel is configured in the display window; the adjuster is connected with the display panel and used for switching the display mode of the display panel; the plurality of proximity sensors are arranged on the frame body, detect whether a shielding object is close to the plurality of proximity sensors and judge whether the distance between the shielding object and the plurality of proximity sensors is smaller than a distance critical value so that the adjuster can switch the display panel to a corresponding display mode; the adjuster adjusts the parameters of the display panel to present the corresponding display mode of the display panel.
Preferably, the mask is an X-ray film.
Preferably, the display modes of the display panel include a data display mode and a background light box mode, the data display mode has a first brightness value, the background light box mode has a second brightness value, and the second brightness value is greater than the first brightness value.
Preferably, the adjuster switches the display panel to the data display mode when the proximity sensors do not detect that the shielding object is close to the proximity sensors.
Preferably, when the proximity sensors determine that the distance between the shielding object and the proximity sensors is smaller than the distance threshold, the adjuster switches the display panel to the backlight module mode.
Preferably, the frame body includes a first frame, a second frame, a third frame and a fourth frame, the first frame is opposite to the third frame, the second frame is opposite to the fourth frame, wherein at least two of the proximity sensors are respectively disposed on one of the first frame and the third frame and one of the second frame and the fourth frame; or,
the frame body comprises a first frame, a second frame, a third frame and a fourth frame, wherein the first frame is opposite to the third frame, the second frame is opposite to the fourth frame, and at least two of the proximity sensors are respectively arranged on the first frame and the third frame or the second frame and the fourth frame; or,
the frame body comprises a first frame, a second frame, a third frame and a fourth frame, wherein the first frame is opposite to the third frame, the second frame is opposite to the fourth frame, and at least three of the proximity sensors are respectively arranged on at least three of the first frame, the second frame, the third frame and the fourth frame.
Preferably, the shielding device further comprises at least one clamping mechanism disposed on the housing, wherein the at least one clamping mechanism is used for clamping the shielding object.
Preferably, the clamping mechanism can be bent to extend from the back plate of the housing to the frame in front of the housing, and the clamping mechanism is fixed on the back plate of the housing by magnetic attraction or a tenon.
Preferably, the clamping mechanism is formed by at least sequentially connecting a first folding plate, a second folding plate and a third folding plate, the third folding plate is slidably disposed on the back plate of the housing, and the first folding plate covers the frame and is fixed on the frame by magnetic attraction or a tenon.
Preferably, the back plate further comprises an accommodating groove, and the clamping mechanism is accommodated in the accommodating groove in a bendable manner.
Preferably, the number of the at least one clamping mechanism is multiple, and the plurality of clamping mechanisms and the plurality of proximity sensors are arranged oppositely, when the plurality of proximity sensors detect the plurality of clamping mechanisms and judge that the distance between the plurality of clamping mechanisms and the plurality of proximity sensors is smaller than the distance threshold value, the adjuster switches the display panel to a background light box mode.
Preferably, the proximity sensors are optical proximity sensors, capacitive proximity sensors or image proximity sensors.
Compared with the prior art, the display with the automatic mode switching function has the advantages that the plurality of proximity sensors are arranged on the frame body, the proximity sensors detect whether a shielding object is close to the proximity sensors or not, and judge whether the distance between the shielding object and the proximity sensors is smaller than the distance critical value or not, the pressing of a key and the operation of an OSD menu are not needed, and the display panel can be automatically switched to a corresponding display mode only when the shielding object is close to the proximity sensors and the distance between the shielding object and the proximity sensors is smaller than the distance critical value, so that the humanized requirement is compounded.
Drawings
FIGS. 1 and 2 are schematic diagrams of a display with automatic mode switching according to an embodiment of the invention;
FIGS. 3 and 4 are schematic views illustrating proximity sensors respectively disposed on the first frame and the second frame or respectively disposed on the first frame and the third frame;
FIGS. 5A to 5C are schematic views respectively illustrating different viewing angles of a display with automatic mode switching according to an embodiment of the invention;
FIG. 6 is a schematic view of the clamping mechanism.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
In an embodiment of the invention, a display with automatic mode switching is provided, which detects whether a shielding object is approaching by a proximity sensor disposed on a housing. The proximity sensor, such as an optical proximity sensor, has an emitting end and a receiving end, and when a shielding object in front of the display blocks the light signal emitted from the emitting end, the receiving end can receive the reflected light signal, thereby achieving the purpose of detecting the shielding object. In addition, when the proximity sensor detects that the shielding object is in a close range and the distance is within a preset distance threshold value, the display mode of the display is automatically switched. For example: when the medical staff diagnose the X-ray film, the display can be automatically switched to a special display mode (such as a background light box mode) by only approaching the X-ray film to the display and shielding the proximity sensor without manually pressing a key and operating an OSD menu, so that the medical staff can diagnose the X-ray film by utilizing a background light source provided by the display at the hand, and the traditional X-ray film light box is not needed. After the medical staff diagnose the X-ray film, the display can be automatically switched to a general display mode (such as a data display mode) as long as the X-ray film is taken away from the display and is far away from the proximity sensor, so that the general staff can display data such as pictures, characters, images and the like by using the display.
The proximity sensor may also be a capacitive proximity sensor, and when the capacitive sensing signal is detected to be greater than a predetermined capacitance threshold, indicating that a shielding object is close to the display, the display may automatically switch to a special display mode (e.g., a backlight mode). In addition, the proximity sensor may also be an image proximity sensor or other type of sensor for detecting the distance of the shielding object, which is not limited by the invention.
The following embodiments are provided for illustrative purposes only and are not intended to limit the scope of the present invention.
Referring to fig. 1 and fig. 2, schematic diagrams of a display 100 with automatic mode switching according to an embodiment of the invention are shown, respectively, where the display 100 in fig. 1 is an upright display, and the display 100 in fig. 2 is a horizontal display, and a user can adjust a setting posture of the display 100 according to a use requirement. In medical or advertising applications, the display 100 is usually installed in a vertical display mode to serve as an X-ray lamp box or an advertising lamp box.
The display 100 includes a housing 110, a display panel 115, an adjuster 118, and a plurality of proximity sensors 120. The housing 110 has a display window 111, and the display panel 115 is disposed in the display window 111. In addition, the housing 110 may further have a frame 112, but not limited thereto, the frame 112 may surround the display window 111. When the frame 112 is disposed around the display panel 115, the proximity sensors 120 may be disposed on the frame 112, however, when the frame 112 is not disposed around the display panel 115 (for example, a display without a frame edge or a narrow frame edge), the proximity sensors 120 may be disposed on the side of the display panel 115 in an external hanging manner, which is equivalent to being disposed on the frame 112 of the display 100, which is not limited by the invention. In addition, the adjuster 118 is, for example, an electronic adjuster 118, which is connected to the display panel 115 and used for switching the display mode of the display panel 115. The adjuster 118 may be disposed on the frame 112 or directly disposed on the display panel 115. The adjuster 118 can adjust different parameters of the display panel 115, such as brightness value, color temperature, contrast, and color saturation, to present different display modes.
In addition, the proximity sensors 120 are used to detect whether a shielding object 10 (e.g. a semitransparent X-ray film) is close to the proximity sensors 120, and determine whether the distance between the shielding object 10 and the proximity sensors 120 is smaller than a distance threshold, so that the adjuster 118 can switch the display panel 115 to a corresponding display mode. Referring to fig. 1 and 2, the number of proximity sensors 120 is, for example, 3 or more than 3, but not limited thereto. When the proximity sensors 120 determine that the distance between the shelter 10 and the proximity sensors 120 is smaller than a distance threshold, the adjuster 118 switches the display panel 115 to a special display mode (e.g., a backlight mode). When the proximity sensors 120 do not detect a shield 10 approaching the proximity sensors 120, the adjuster 118 switches the display panel 115 to a normal display mode (e.g., data display mode).
The distance threshold may be set to less than 0.5mm, or a preferred distance threshold may be user-defined. For example: the user can perform fine adjustment according to the light transmittance of the shielding object 10 or the detection range of the proximity sensor 120, or directly correct the distance threshold value according to the real object, so as to meet the specification requirement.
In one embodiment, the data display mode has a first brightness value, and the background light box mode has a second brightness value. In order to meet the practical requirement, the second brightness value is preferably greater than or equal to 300nits and greater than the first brightness value, so that the background light box mode has a higher brightness value. That is, in the background light box mode, the adjuster 118 can increase the brightness of the display panel 115 to meet the requirement of the conventional X-ray light box brightness of 300 nits.
Referring to fig. 1 and 2, the frame 112 includes a first frame S1, a second frame S2, a third frame S3 and a fourth frame S4, wherein the first frame S1 is opposite to the third frame S3, and the second frame S2 is opposite to the fourth frame S4. The proximity sensors 120 are respectively disposed on the first frame S1, the second frame S2 and the third frame S3, and when at least two of the proximity sensors 120 are simultaneously shielded by the shielding object 10 and the distance between the shielding object 10 and the at least two shielded proximity sensors 120 is within a predetermined distance threshold, the adjuster 118 switches to the backlight module to increase the brightness value or the color temperature value of the display panel 115. In addition, another proximity sensor (not shown) may be disposed on the fourth frame S4.
Next, referring to fig. 3 and 4, the proximity sensor 120 is respectively disposed on the first frame S1 and the second frame S2, or respectively disposed on the first frame S1 and the third frame S3. The present invention is not limited to only one proximity sensor 120 for each frame, and two proximity sensors 120 may be disposed. Taking a quadrangular frame as an example, the first frame S1 and the third frame S3 are longer, and the second frame S2 and the fourth frame S4 are shorter, and more proximity sensors 120 may be disposed on the longer frame, but the invention is not limited thereto.
In one embodiment, at least two of the proximity sensors 120 are disposed on one of the first border S1 and the third border S3 and one of the second border S2 and the fourth border S4, respectively. In another embodiment, at least two of the proximity sensors 120 are disposed on the first frame S1 and the third frame S3, respectively, or the second frame S2 and the fourth frame S4, respectively. In another embodiment, at least three of the proximity sensors 120 are respectively disposed on at least three of the first border S1, the second border S2, the third border S3 and the fourth border S4.
The present invention does not limit which two of the proximity sensors 120 are simultaneously shielded by the shielding object 10, as long as two or more proximity sensors 120 are simultaneously shielded. For example: the two proximity sensors 120 respectively located in the first frame S1 and the second frame S2 are simultaneously shielded, or the two proximity sensors 120 respectively located in the first frame S1 and the third frame S3 are simultaneously shielded, or the two proximity sensors 120 respectively located in the second frame S2 and the third frame S3 are simultaneously shielded, or the two proximity sensors 120 respectively located in the second frame S2 and the fourth frame S4 are simultaneously shielded. The automatic mode switching may be initiated as long as any two proximity sensors 120 on any two of the four bezels are simultaneously obscured, without limitation all proximity sensors 120 are obscured.
In one embodiment, when the posture of the display 100 changes, the adjuster 118 may first determine whether the current screen posture is an upright display (see fig. 1) or a horizontal display (see fig. 2) by using a gravity sensor (g-sensor) or a gyroscope (Gyro Meter), and then determine whether the shielding object 10 approaches according to which two proximity sensors 120.
However, in order to avoid the situation that the single proximity sensor 120 is shielded to cause the false triggering, the proximity sensors 120 are respectively arranged on different sides, and the shielding object 10 (such as an X-ray film) is sized to simultaneously shield two proximity sensors 120, so that the mode automatic switching cannot be started if only one proximity sensor 120 is shielded. Of course, if one proximity sensor 120 is normally shielded for a long time, the mode switching can still be started as long as another proximity sensor 120 is shielded by the shield 10, even though the size of the shield 10 may not be able to simultaneously shield two proximity sensors 120.
Fig. 5A to 5C are schematic diagrams illustrating a display 100 with an automatic mode switching function according to an embodiment of the invention. The display 100 further comprises at least one clamping mechanism 130 for clamping the shutter 10. The clamping mechanism 130 is disposed on the housing 110 and flexibly extends from the back plate 113 of the housing 110 to the frame 112 in front of the housing 110, and the clamping mechanism 130 can be fixed on the back plate 113 of the housing 110 by magnetic attraction or a tenon. For example, the clamping mechanism 130 may be a U-shaped piece clamped on the side of the display 100, or a magnet 116 may be disposed on the back plate 113 of the housing 110, such that the clamping mechanism 130 is fixed on the back plate 113 by the magnetic attraction of the magnet 116. In addition, when the back plate 113 of the housing 110 is provided with a pivot structure and a receiving groove C, the end of the clamping mechanism 130 can be slidably pivoted on the back plate 113 of the housing 110 and can be received in the receiving groove C when not in use, and when the clamping mechanism 130 is to be used, the front end of the clamping mechanism 130 is pulled out to cover the frame 112 and is fixed on the frame 112 by the magnetic attraction force or the tenon of the magnet 114 arranged on the frame 112.
In addition, the magnet 114 disposed on the frame 112 has a through hole H (see fig. 5B), for example, so that the corresponding proximity sensor 120 can detect whether the shielding object 10 approaches through each through hole H.
In one embodiment, when there are more than two clamping mechanisms 130 (see fig. 5B), the clamping mechanisms 130 can be used as a shielding object for shielding at least two proximity sensors 120 for a long time as the position clamped by each clamping mechanism 130 and the corresponding proximity sensor 120 are opposite to each other. At this time, the distance between each clamping mechanism 130 and the corresponding proximity sensor 120 is less than the distance threshold, so that the adjuster 118 can switch the display panel 115 to a backlight box mode, and the display panel can be kept in the backlight box mode for a long time, and the clamped object (such as a semitransparent X-ray film) can not be taken away from the display 100 and can not be changed back to the original display mode.
Referring to fig. 6, a schematic diagram of the clamping mechanism 130 is shown. The clamping mechanism 130 is composed of a first folding plate 131, a second folding plate 132 and a third folding plate 133 connected in sequence, and each folding plate has a movable shaft 134 so that each folding plate can rotate relatively. In fig. 5A, the first folding plate 131 can be flexibly extended from the back plate 113 of the housing 110 to the frame 112 in front of the housing 110, and the first folding plate 131 can be fixed on the frame 112 by the magnet 114 and fix the clamped object on the display 100, so as to increase the convenience of use. In addition, in fig. 5C, the third flap 133 is slidably disposed on the back plate 113 of the housing 110, and can be fixed on the back plate 113 by the magnetic attraction of the magnet 116, and can be accommodated in the accommodating groove C when not in use, so as to facilitate the accommodation.
The display with the automatic mode switching disclosed in the above embodiments of the present invention does not need to press a key and operate the OSD menu, and only needs to bring the shielding object close to the proximity sensor and switch the display panel to a corresponding display mode when the distance between the shielding object and the proximity sensor is smaller than the distance threshold. In addition, the clamping mechanism can be arranged on the side edge of the display, can be used as a shielding object on the proximity sensor, and also can have the clamping function or simply has the clamping function, so that the display can be kept in a specific display mode for a long time, and a user does not need to repeatedly operate, thereby saving the mode switching time.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. A display with automatic mode switching, comprising:
the display device comprises a shell, a display screen and a frame body, wherein the shell is provided with a display window and the frame body surrounding the display window;
a display panel configured in the display window;
the adjuster is connected with the display panel and is used for switching the display mode of the display panel;
the proximity sensors are configured on the frame body and used for detecting whether a shielding object is close to the proximity sensors or not and judging whether the distance between the shielding object and the proximity sensors is smaller than a distance critical value or not so as to enable the adjuster to switch the display panel to a corresponding display mode; and
at least one clamping mechanism arranged on the shell and used for clamping the shielding object;
wherein, the adjuster adjusts the parameters of the display panel to present the corresponding display mode of the display panel; the number of the at least one clamping mechanism is multiple, the plurality of clamping mechanisms and the plurality of proximity sensors are arranged oppositely, and when the plurality of proximity sensors detect the plurality of clamping mechanisms and judge that the distance between the plurality of clamping mechanisms and the plurality of proximity sensors is smaller than the distance critical value, the adjuster switches the display panel to a background lamp box mode.
2. The display of claim 1 wherein the mask is X-ray film.
3. The display of claim 1, wherein the display modes of the display panel include a data display mode having a first brightness value and a background light box mode having a second brightness value, wherein the second brightness value is greater than the first brightness value.
4. The display as claimed in claim 3, wherein the adjuster switches the display panel to the data display mode when the proximity sensors do not detect that the shielding object is in proximity to the proximity sensors.
5. The display of claim 1, wherein the frame body comprises a first frame, a second frame, a third frame, and a fourth frame, the first frame opposing the third frame, the second frame opposing the fourth frame, wherein at least two of the proximity sensors are disposed on one of the first frame and the third frame and one of the second frame and the fourth frame, respectively; or,
the frame body comprises a first frame, a second frame, a third frame and a fourth frame, wherein the first frame is opposite to the third frame, the second frame is opposite to the fourth frame, and at least two of the proximity sensors are respectively arranged on the first frame and the third frame or the second frame and the fourth frame; or,
the frame body comprises a first frame, a second frame, a third frame and a fourth frame, wherein the first frame is opposite to the third frame, the second frame is opposite to the fourth frame, and at least three of the proximity sensors are respectively arranged on at least three of the first frame, the second frame, the third frame and the fourth frame.
6. The display as claimed in claim 1, wherein the holding mechanism is flexibly extended from the back plate of the housing to the frame in front of the housing, and the holding mechanism is fixed on the back plate of the housing by magnetic attraction or a tenon.
7. The display apparatus of claim 6, wherein the holding mechanism comprises at least a first folding plate, a second folding plate and a third folding plate connected in sequence, the third folding plate is slidably disposed on the back plate of the housing, and the first folding plate covers the frame and is fixed on the frame by magnetic attraction or a tenon.
8. The display apparatus as claimed in claim 6 or 7, wherein the back plate further comprises a receiving groove, and the holding mechanism is flexibly received in the receiving groove.
9. The display of claim 1, wherein the proximity sensors are optical proximity sensors, capacitive proximity sensors, or image proximity sensors.
10. A display with automatic mode switching, comprising:
the display device comprises a shell, a display screen and a frame body, wherein the shell is provided with a display window and the frame body surrounding the display window;
a display panel configured in the display window;
the adjuster is connected with the display panel and is used for switching the display mode of the display panel; and
the proximity sensors are configured on the frame body and used for detecting whether a shielding object is close to the proximity sensors or not and judging whether the distance between the shielding object and the proximity sensors is smaller than a distance critical value or not so as to enable the adjuster to switch the display panel to a corresponding display mode;
wherein, the adjuster adjusts the parameters of the display panel to present the corresponding display mode of the display panel; the back plate of the shell further comprises an accommodating groove, the display further comprises at least one clamping mechanism, the at least one clamping mechanism is used for clamping the shielding object, and the clamping mechanism is accommodated in the accommodating groove in a bendable manner;
the clamping mechanism can be bent to extend from the back plate of the shell to the frame body in front of the shell, and is fixed on the back plate of the shell through magnetic attraction or a clamping tenon; the clamping mechanism is formed by connecting at least a first folded plate, a second folded plate and a third folded plate in sequence, the third folded plate is slidably arranged on the back plate of the shell, and the first folded plate covers the frame body and is fixed on the frame body through magnetic attraction or a clamping tenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610104272.5A CN105632457B (en) | 2016-02-25 | 2016-02-25 | The display that mode automatically switches |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610104272.5A CN105632457B (en) | 2016-02-25 | 2016-02-25 | The display that mode automatically switches |
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| CN105632457A CN105632457A (en) | 2016-06-01 |
| CN105632457B true CN105632457B (en) | 2019-06-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501944A (en) * | 2016-09-09 | 2017-03-15 | 苏州佳世达电通有限公司 | Display device |
| CN106444266A (en) * | 2016-09-30 | 2017-02-22 | 南京巨鲨医疗科技有限公司 | Clamping device for display reading mode |
| CN110286491B (en) * | 2019-06-26 | 2021-07-02 | 苏州佳世达电通有限公司 | Display device for enhancing X-ray film projection image |
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| US6269565B1 (en) * | 1994-11-28 | 2001-08-07 | Smartlight Ltd. | Display device |
| CN201004115Y (en) * | 2007-01-11 | 2008-01-09 | 刘润新 | Observation light box for X line film |
| CN103519783A (en) * | 2012-06-29 | 2014-01-22 | 通用电气公司 | Patient monitoring device for displaying medical image film |
| CN204406938U (en) * | 2014-12-12 | 2015-06-17 | 上海通冠市政设施科技有限公司 | A kind of buckle-type painting canvas clamp device |
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2016
- 2016-02-25 CN CN201610104272.5A patent/CN105632457B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269565B1 (en) * | 1994-11-28 | 2001-08-07 | Smartlight Ltd. | Display device |
| CN201004115Y (en) * | 2007-01-11 | 2008-01-09 | 刘润新 | Observation light box for X line film |
| CN103519783A (en) * | 2012-06-29 | 2014-01-22 | 通用电气公司 | Patient monitoring device for displaying medical image film |
| CN204406938U (en) * | 2014-12-12 | 2015-06-17 | 上海通冠市政设施科技有限公司 | A kind of buckle-type painting canvas clamp device |
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