CN210667621U - Display device - Google Patents
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- CN210667621U CN210667621U CN201922036846.1U CN201922036846U CN210667621U CN 210667621 U CN210667621 U CN 210667621U CN 201922036846 U CN201922036846 U CN 201922036846U CN 210667621 U CN210667621 U CN 210667621U
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Abstract
The utility model relates to a display device field provides a display device, include: the display screen and install sensor integrated circuit board on the display screen, wherein, the sensor integrated circuit board has the detection the illuminance sensor of the luminance of display screen and detects display device's inside temperature's temperature sensor. Through setting up illuminance sensor and temperature sensor, can realize the detection to display device's luminance and inside temperature to combine together with subsequent color analyzer, with adjusting the display screen, realize that the display screen can satisfy and reach the demand that luminance is stable under different environment.
Description
Technical Field
The utility model relates to a display device field, more specifically provides a display device.
Background
With the popularization of the liquid crystal display technology, the requirements of medical and financial manufacturers on efficiency and display brightness are more strict, so that a device capable of achieving stable brightness at different environmental temperatures is needed, the device can meet the requirements of doctors on diagnosis in the medical aspect, the efficiency and accuracy of doctor diagnosis can be assisted in different environments (such as indoor and outdoor), and in the financial aspect, the device can be adapted to different environmental temperatures, achieves the brightness stability aspect, and can meet different special requirements in the financial aspect.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a display device to at least, the realization detects display device's luminance and temperature.
According to the utility model discloses an embodiment provides a display device, include: the display screen and install sensor integrated circuit board on the display screen, wherein, the sensor integrated circuit board has the detection the illuminance sensor of the luminance of display screen and detects display device's inside temperature's temperature sensor.
According to the utility model discloses an embodiment, the sensor integrated circuit board passes through the double faced adhesive tape and pastes the position of the back backlight mouth of display screen.
According to the utility model discloses an embodiment, display device still includes the display control integrated circuit board, the display control integrated circuit board with the display screen illuminance sensor temperature sensor and outside host computer difference signal connection.
According to the utility model discloses an embodiment, outside host computer still passes through USB interface signal connection with color analyzer.
According to the utility model discloses an embodiment, display device still includes the OSD keypad, the OSD keypad with display control integrated circuit board signal connection.
According to the utility model discloses an embodiment, the display control integrated circuit board with through DVI interface or DP interface connection between the outside host computer.
According to the utility model discloses an embodiment, the display control integrated circuit board with illuminance sensor with through DVI interface or DP interface connection between the temperature sensor.
According to the utility model discloses an embodiment, the display control integrated circuit board with through LVDS interface connection between the display screen.
According to the utility model discloses an embodiment, the display control integrated circuit board still with the sensor integrated circuit board electricity is connected, with to the sensor integrated circuit board carries out power input.
According to the utility model discloses an embodiment, the display screen is liquid crystal display.
The beneficial effects of the utility model reside in that:
the utility model provides an among the display device, the sensor integrated circuit board has the illuminance sensor who detects the luminance of display screen and detects display device's the temperature sensor of inside temperature. Through setting up illuminance sensor and temperature sensor, can realize the detection to display device's luminance and inside temperature to combine together with subsequent color analyzer, with adjusting the display screen, realize that the display screen can satisfy and reach the demand that luminance is stable under different environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display device according to the present invention;
fig. 2 is a schematic diagram showing a communication relationship between the display device shown in fig. 1 and an external host and a color analyzer.
Reference numerals:
10: a display device; 12: a display screen; 14: a sensor board card; 16: an illuminance sensor; 18: a temperature sensor; 20: displaying a control board card; 22: an external host; 24: a color analyzer; 26: OSD keypad.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Referring now to fig. 1 and 2, embodiments of a display device provided by the present invention will be described. It is to be understood that the following description is only exemplary embodiments of the present invention and does not constitute any particular limitation of the present invention.
As shown in fig. 1 and 2, the present invention provides a display device 10. Specifically, the display device 10 includes a display screen 12 and a sensor board 14 mounted on the display screen 12. The sensor board 14 includes an illuminance sensor 16 for detecting the brightness of the display screen 12 and a temperature sensor 18 for detecting the internal temperature of the display device 10.
According to the above embodiments, by providing the illuminance sensor 16 and the temperature sensor 18, the brightness and the internal temperature of the display device 10 can be detected, so that the display device can be combined with a subsequent color analyzer to adjust the display screen 12, and the display screen 12 can meet the requirement of reaching stable brightness in different environments.
It should be noted here that the above-described adjustment of the display screen 12, and the use of the brightness and internal temperature parameters, will be described in more detail below by way of example.
In an alternative embodiment, the sensor card 14 may be attached to the back of the display screen 12 at the location of the backlight opening by double sided adhesive. It should be understood that the above description is only an exemplary connection mode of the present invention, and other alternative connection modes can be applied to the present invention, and the present invention is not limited thereto.
With continued reference to fig. 1 and 2, in one embodiment of the present invention, the display device 10 may further include a display control board 20. Specifically, the display control board 20 may be in signal connection with the display screen 12, the illuminance sensor 16, the temperature sensor 18 and the external host 22 respectively.
In one embodiment, the display control board 20 may select an STDP6038 display control board chip. In another embodiment, the temperature sensor 18 may be selected from a PCA9544 type temperature sensor chip. In yet another embodiment, the illuminance sensor 16 may be selected from a TSL2561T type luminance sensor chip. It will of course be appreciated that the various types of chips described above are merely illustrative and that the invention is not limited to any particular type and may be selected for specific applications.
Further, in one embodiment, the external host 22 may also be in signal communication with the color analyzer 24 via a USB interface. Alternatively, color analyzer 24 may be a CA310 color analyzer; it should be understood, however, that the type of color analyzer is merely illustrative and the present invention is not limited thereto.
In one embodiment, as shown in fig. 1, the display device 10 of the present invention may further include an OSD (on-screen display) keypad 26, and the OSD keypad 26 may be in signal connection with the display control board 20. In an alternative embodiment, the Display controller board 20 and the external host 22 may be connected through a DVI (Digital visual interface) interface or a DP (Display Port) interface. In addition, in an alternative embodiment, the display control board 20 may be connected to the illuminance sensor 16 and the temperature sensor 18 through a DVI interface or a DP interface. The display control board 20 and the display 12 may be connected by an LVDS (Low-Voltage differential signaling) interface. In other embodiments, the display control board 20 may also be electrically connected to the sensor board 14 to provide power input to the sensor board 14 for powering the same. In one embodiment, the display 12 may be a liquid crystal display.
It will be appreciated that the various interface connections described above, as well as the type of display screen, are exemplary. That is, any other suitable connection and display screen type are included in the scope of the present invention, and the present invention is not limited to a specific form or forms, and may be determined according to specific use conditions.
As shown in fig. 1 and 2, in the practical use of the present invention, first, the relevant components included in the display device 10 are connected. Specifically, the sensor board 14 is mounted with the plastic part by four screws and then attached to the rear of the liquid crystal screen (i.e., display screen 12) at the location of the backlight opening by double-sided adhesive.
Then, the external host 22 and the color analyzer 24 are connected through the USB interface, and the external host 22 and the display device 10 are connected through the DVI line for the related tests.
Next, the display device 10 starts to start up in the cold state, and the temperature values of the temperature sensors 18 are recorded, respectively. When the temperature changes by 0.5 ℃, the current brightness value of the color analyzer 24 is recorded and the relevant register value of the illumination sensor 16 is recorded until the temperature value of the temperature sensor 18 is monitored to be not changed within 5 minutes, and the monitoring state is ended.
Then, the relevant primary and secondary formulas are converted and formed for each monitored parameter value. The x-axis is the temperature value of the temperature sensor 18, and the y-axis is the register value of the associated illuminance sensor 16 divided by the brightness value of the color analyzer 24, so as to obtain three constant values of a quadratic equation.
Then, the three constant values of the unitary quadratic equation are burned into the display control board 20 through a DDC (Direct digital control) interface of the DVI interface, and then temperature conversion is performed in a related luminance stability.
Specifically, when the OSD menu is adjusted through the OSD keypad 26, if the display screen brightness is adjusted to 500cd/m2And when the menu exits, the register value of the associated illumination sensor 16 is recorded andthe current temperature value of the temperature sensor 18 is converted by the one-dimensional quadratic equation, so that the current register value of the illuminance sensor can be converted into the standard register value under the condition of subsequent temperature change.
During the actual use of the display device 10, if the difference between the values of the illumination sensor and the display screen is 5, the values of the backlight PWM (Pulse Width Modulation) are adjusted. For example, if the illumination sensor value is 5 below the standard register value, then increase the PWM value by one value; if the illumination sensor value is 5 above the standard register value, the PWM value is decreased by one value. By the mode, the requirement of stable brightness under different environments can be met.
To sum up, the utility model provides a display device possesses following advantage:
1) the professional display control board card (namely the display control board card 20) is embedded in the display device, so that the requirements of medical image and financial display can be met.
2) The display device integrates an illumination sensor, and can realize the monitoring and stable control of the brightness of the liquid crystal screen.
3) The display device integrates the temperature sensor, can realize the monitoring of the temperature change in the display and is used for subsequent temperature conversion and detection.
4) The external host reads the values of the temperature sensor and the illuminance sensor through the DVI interface, and simultaneously reads the values of the color analyzer through the USB interface.
5) And converting the logic relation of a unitary quadratic equation according to the read temperature sensor value as an x axis and the illuminance sensor value divided by the color analyzer value as a y value.
6) And obtaining three constants of the data relation according to the related converted unitary quadratic equation, and burning the constants into a program for conversion through a DDC interface of a DVI interface of the display.
7) When the menu of the display is adjusted through the OSD key board, the function of stabilizing the backlight brightness in real time can be achieved.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A display device, comprising: the display screen and install sensor integrated circuit board on the display screen, wherein, the sensor integrated circuit board has the detection the illuminance sensor of the luminance of display screen and detects display device's inside temperature's temperature sensor.
2. The display device of claim 1, wherein the sensor board is attached to the back of the display screen at the location of the backlight opening by double-sided adhesive tape.
3. The display device according to claim 2, further comprising a display control board, wherein the display control board is in signal connection with the display screen, the illuminance sensor, the temperature sensor and an external host respectively.
4. The display device according to claim 3, wherein the external host is further in signal connection with the color analyzer via a USB interface.
5. The display device as claimed in claim 3, further comprising an OSD keypad, wherein the OSD keypad is in signal connection with the display control board.
6. The display device according to claim 3, wherein the display controller card is connected to the external host through a DVI interface or a DP interface.
7. The display device according to claim 3, wherein the display control board is connected to the illuminance sensor and the temperature sensor through a DVI interface or a DP interface.
8. The display device according to claim 3, wherein the display control board card is connected to the display screen through an LVDS interface.
9. The display device as claimed in claim 3, wherein the display control board is further electrically connected to the sensor board for power input to the sensor board.
10. The display device according to claim 1, wherein the display screen is a liquid crystal display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036846.1U CN210667621U (en) | 2019-11-22 | 2019-11-22 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036846.1U CN210667621U (en) | 2019-11-22 | 2019-11-22 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210667621U true CN210667621U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922036846.1U Active CN210667621U (en) | 2019-11-22 | 2019-11-22 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210667621U (en) |
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2019
- 2019-11-22 CN CN201922036846.1U patent/CN210667621U/en active Active
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