CN114038344B - Display module, display screen and control method of display module - Google Patents
Display module, display screen and control method of display module Download PDFInfo
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- CN114038344B CN114038344B CN202111265275.4A CN202111265275A CN114038344B CN 114038344 B CN114038344 B CN 114038344B CN 202111265275 A CN202111265275 A CN 202111265275A CN 114038344 B CN114038344 B CN 114038344B
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The invention provides a display module, a display screen and a control method of the display module, wherein the display module comprises at least two display units, the display units comprise a display backboard, the front surface of the display backboard is provided with a display area, the display units also comprise a light-emitting unit arranged in the display area, meanwhile, the indication units are arranged on one side of the back surface of the display backboard and are positioned in an area corresponding to the display area, the indication units comprise at least one indicator lamp, the area corresponding to the indication units on the display backboard is a light-transmitting area, and light emitted by the indicator lamp is emitted from the display area through the light-transmitting area so as to indicate the state of the light-emitting unit, thereby solving the problem that the working state (such as abnormal state) of one or more light-emitting units and/or the environmental state of the environment where the light-emitting unit is positioned cannot be quickly and intuitively known from the front surface of the display screen in the prior art.
Description
Technical Field
The present invention relates to the field of display, and in particular, to a display module, a display screen, and a control method of the display module.
Background
With the innovation and development of LED (Light Emitting Diode ) display screen technology, LED display screen products gradually move into various fields of our lives, and the MiniLED display screen module and the Micro LED display screen module with higher resolution become mainstream products of the LED display screen, which can display higher definition images and videos. For an LED display screen, a plurality of LED light emitting chips are generally packaged on a substrate of a display module, and an image is displayed by an array of the LED light emitting chips. And the pixel spacing of the LED display screen is smaller and smaller, and the area and the resolution of the LED display screen are larger and larger.
The existing LED display screen is characterized in that the periphery of the screen body is covered with edges, and then an operating state indicator lamp is arranged on the covered edges and used for indicating the operating state of the LED display screen. However, the working state indicated by the indicator light of the LED display screen is represented by the working state of the whole screen body, and the working state of each display unit in the display screen cannot be quickly, intuitively and accurately known in the debugging stage or the use of the display screen. Therefore, when the display screen is abnormal, the abnormal display unit cannot be accurately positioned, and further, the abnormal display unit cannot be accurately positioned and overhauled.
Disclosure of Invention
The invention provides a display module, a display screen and a control method of the display module, which mainly solve the technical problems that: the prior art cannot quickly and intuitively know the working state and/or the environmental state of one or more light emitting units from the front surface of the display screen.
In order to solve the above technical problems, the present invention provides a display module, including:
at least two display units; the display unit comprises a display backboard, and a display area is arranged on the front surface of the display backboard; the display unit also comprises a light-emitting unit arranged in the display area
The display back plate is provided with a display area, and the display back plate is provided with an indication unit which is arranged on one side of the back surface of the display back plate and is positioned in the area corresponding to the display area; the indication unit comprises at least one indication lamp, and light emitted by the indication lamp penetrates through the light-transmitting area and is emitted from the display area so as to indicate the state of the light-emitting unit.
Optionally, the display module further includes: the acquisition control equipment is used for acquiring parameters representing the state of the light-emitting unit, and controlling the indicating unit to emit light to indicate the state of the light-emitting unit when the preset indicating condition is determined to be met according to the parameters; the parameters include at least one of an operating parameter for characterizing an operating state of the lighting unit and an environmental parameter of an environmental state in which the lighting unit is located.
Optionally, the collection control device includes a collection module and a control module, and the preset indication condition includes abnormality of the light emitting unit;
the acquisition module is used for acquiring the parameters of the light-emitting unit;
the control module is used for controlling the indication unit to emit light when the light-emitting unit is determined to be abnormal according to the parameters.
Optionally, the collection control device further includes a storage module, where a correspondence table of correspondence between abnormal types and light emitting modes is stored in the storage module;
the control module is used for determining the abnormal type of the light-emitting unit when the light-emitting unit is determined to be abnormal according to the parameters, matching a corresponding target light-emitting mode according to the abnormal type and the corresponding relation table, and controlling the indicating unit to emit light according to the target light-emitting mode.
Optionally, the light-transmitting area is a clearance area where no line is provided on the display back plate.
Optionally, the light-transmitting region has a blind hole extending from a back surface of the display back plate to a front surface of the display back plate.
On the other hand, the invention also provides a display screen, which comprises the display module.
On the other hand, the invention also provides a control method of the display module, which comprises the following steps:
collecting parameters of the light-emitting unit, wherein the parameters comprise at least one of working parameters representing the working state of the light-emitting unit and environment parameters representing the environment state;
determining whether the light-emitting unit meets the preset indication condition according to the parameters;
and when the light-emitting unit is determined to meet the preset indication condition according to the parameter, controlling the indication unit to emit light.
Optionally, the preset indication condition includes abnormality of the light emitting unit; when the light emitting unit is determined to meet the preset indication condition according to the parameter, controlling the indication unit to emit light comprises the following steps:
determining an abnormality type of the light emitting unit when the light emitting unit is abnormal;
matching a corresponding target lighting mode according to the abnormal type and a corresponding relation table of the preset abnormal type and lighting mode corresponding relation;
and controlling the indication unit to emit light according to the target light emitting mode.
Optionally, the abnormal type in the correspondence table includes at least one of voltage abnormality, current abnormality, temperature abnormality, humidity abnormality, signal on-off abnormality, networking state abnormality, and LED lamp on abnormality;
the light emitting means in the correspondence table includes: at least one of different colors, different frequencies, different brightness.
Advantageous effects
The invention provides a display module, a display screen and a control method of the display module, wherein the display module comprises at least two display units, the display units comprise a display backboard, the front surface of the display backboard is provided with a display area, the display units also comprise a light-emitting unit arranged in the display area, meanwhile, the indication units are arranged on one side of the back surface of the display backboard and are positioned in an area corresponding to the display area, the indication units comprise at least one indicator lamp, the area corresponding to the indication units on the display backboard is a light-transmitting area, and light emitted by the indicator lamp is emitted from the display area through the light-transmitting area so as to indicate the state of the light-emitting unit, so that a user can quickly, intuitively and accurately know the working state and/or the environmental state of each display unit in the display screen in the debugging stage or use of the display screen, and the problem that the working state and/or the environmental state of one or more light-emitting units cannot be quickly and intuitively known from the front surface of the display screen in the prior art is solved.
Drawings
Fig. 1 is a schematic structural diagram of a display module according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of another display module according to an embodiment of the invention;
FIG. 3 is a schematic view of a display module according to a first embodiment of the present invention;
FIG. 4 is a schematic diagram of a display module according to a first embodiment of the present invention;
FIG. 5 is a schematic diagram of a display module according to a first embodiment of the present invention;
fig. 6 is a cross-sectional view of a display module according to a first embodiment of the present invention;
fig. 7 is a cross-sectional view of another display module according to the first embodiment of the invention;
FIG. 8 is a schematic diagram of a blind hole structure of a display back plate according to a first embodiment of the present invention;
fig. 9 is a flowchart of a control method of a display module according to a second embodiment of the invention;
fig. 10 is a schematic structural diagram of a display screen according to a third embodiment of the present invention;
fig. 11 is a schematic structural diagram of another display screen according to the third embodiment of the present invention.
Detailed Description
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Embodiment one:
in order to solve the problem that the working states of one or more display units cannot be known rapidly and intuitively from the front side of a display screen in the prior art, the embodiment provides a display module.
It should be noted that, the display module is formed by splicing at least two display units, in this application, in order to better embody the structure of the display module in the present invention, only the structure of one display unit of the display module is described below, for example, as shown in fig. 1, which is a schematic structural diagram of the display module provided in this embodiment, and in the drawings, the encapsulation layer 4 is subjected to perspective treatment. The display unit 3 includes a display back plate 1, a packaging layer 4, and a plurality of light emitting units 2 disposed in a display area 11 on the front surface of the display back plate. It should be noted that one light emitting unit 2 may include, but is not limited to, a bare chip, a stand-alone package including, but not limited to, a single bare chip individually covering a packaging adhesive, all bare chips and a front surface of a display back plate simultaneously covering a packaging adhesive, and a stand-alone package including, but not limited to, a substrate-type stand-alone package, a bowl-type stand-alone package. The covering of the light emitting unit 2 by the encapsulation layer 4 may include covering the front surface of the display back plate 1 and the light emitting unit 2, or may include covering only the light emitting unit 2 on the front surface of the display back plate 1, and the present invention is not limited thereto, and in this embodiment, the encapsulation layer 4 is disposed in such a manner that the front surface of the display back plate 1 and the light emitting unit 2 are covered. The indication unit 5 is disposed on the back side of the display back plate 1 corresponding to the display unit 3, and is located in an area corresponding to the display area 11, where the indication unit 5 may include one indication lamp 6, or may include a plurality of indication lamps 6, and a specific number of the indication lamps 6 is not limited by the present invention, and in some examples, the number of the indication lamps 6 in one LED display module is 1 or more and 20 or less, or 1 or 200 or less in one display screen, the indication unit 5 in this embodiment includes only one indication lamp 6, the area corresponding to the indication unit 5 on the display back plate 1 is a light-transmitting area 8, and light emitted by the indication unit 5 is emitted from the display area 11 through the light-transmitting area 8, so as to indicate the state of the light-emitting unit 5.
It should be noted that the display unit 3 may include a plurality of light emitting units 2, or may include one light emitting unit 2, and each light emitting unit 2 may include at least one light emitting chip 12, for example, as shown in fig. 2, which is a schematic structural diagram of another display module, where the display unit 3 includes two light emitting units and two indicating units, each light emitting unit includes 5 light emitting chips 12, each indicating unit is located on a rear side of the display back plate 1 and is located in an area corresponding to the display area 11 of each light emitting unit, and it should be noted that one light emitting unit may include at least 1 light emitting chip 12, for example, one light emitting unit includes 1, 7, or 8 light emitting chips 12. It should be noted that, the display area 11 on the front surface of the display module corresponding to the indicator lamp 6 in the indicator unit 5 also has pixels, so that the picture displayed by the display screen is more complete and continuous, and the satisfaction degree of the user is improved.
It should be noted that, the indication unit 5 may emit light immediately when the light emitting unit 2 is abnormal, or may emit light after the light emitting unit 2 is abnormal and when the light emitting unit is turned off, so that a person skilled in the art may set the indication unit 5 to emit light automatically according to the actual situation and the requirement, which is not limited in this application, and the light emitted by the indication unit 5 may avoid interference to the use of the user when the light emitting unit 5 emits light and is inconvenient to maintain due to special factors during the use, for example, when the display screen is used to open an important meeting, if one of the light emitting units 2 is abnormal, the user may maintain the meeting after the meeting is completed for consistency of the meeting.
It should be noted that, in the use process, the indication unit 5 may also be manually turned on or turned off or adjusted to brightness, for example, when an important meeting is started by using the display screen, if any one of the light emitting units 2 is abnormal, at this time, for the purpose of continuity of the meeting, after the light emitting of the indication unit 5 corresponding to the abnormal light emitting unit 2, the user may manually turn off or reduce brightness, so as to avoid the influence of the user on the continuation of the meeting and the visual disturbance of the user, and of course, the indication unit 5 may also be manually turned on or turned off or adjusted to brightness in the debugging process, for example, in the debugging process, when the user is debugging each light emitting unit 2, the indication unit 5 corresponding to the light emitting unit 2 may be turned on to mark the occurrence of the abnormality of the light emitting unit 2, or when the occurrence of the abnormality of some light emitting units 2 is considered to be abnormal, and the abnormality types are different, at this time, different brightness or different colors may be adjusted to distinguish the abnormality types, so that the user may recognize and repair the maintenance efficiency more quickly, and improve the maintenance efficiency, and the user may install the indication unit 5 or the indication unit may be turned on or turned off by clicking a control button or the other control device to implement the manual adjustment hardware, and the indication unit 5 may be turned off or turned off by the indication unit 5.
It should be noted that, the display module further includes an acquisition control device, configured to acquire parameters of the light emitting unit 2, and control the light emitting unit 5 to emit light when the light emitting unit 2 is determined to meet a preset indication condition according to the acquired parameters, where the parameters may be working parameters representing a working state, or environmental parameters representing an environmental state of an environment where the light emitting unit is located, or may be a combination of the working parameters representing the working state and the environmental parameters representing the environmental state of the environment where the light emitting unit is located, and those skilled in the art may select according to actual situations and requirements. It should be noted that, the specific structure of the acquisition control device is not shown in the embodiment, but the specific structure of the acquisition control device includes, but is not limited to, being integrally disposed in the display module and being externally connected to the display module, for example, a separate acquisition control platform may be disposed outside the display module and connected to the display module, and the user may use the externally connected acquisition control platform to remotely perform data acquisition on the display module and control the indicating unit in the display module.
In some examples, the acquisition control device comprises an acquisition module and a control module, when the preset indication condition is that the light emitting unit 2 is abnormal; the acquisition module is used for acquiring parameters of the light-emitting unit 2; the control module is configured to control the indication unit 5 to emit light when the light emitting unit 2 is determined to be abnormal according to the parameter, and it should be noted that the preset indication condition includes that the light emitting unit 2 is abnormal or normal, which may be that the control module controls the indication unit 5 to emit light when the light emitting unit 2 is abnormal, or that the control module controls the indication unit 5 to emit light when the light emitting unit 2 is normal, where the indication unit 5 may emit light when the display screen works, or emit light when the display screen is turned off and standby, and specific setting modes can be set by those skilled in the art according to actual situations and requirements.
For example, in the use process or the debugging process, the parameter collected by the collection module is only the working voltage of the light-emitting unit, the normal voltage value range of the light-emitting unit is 1.2V or more and 1.5V or less, the collection module (for example, a voltage sensor) collects the current working voltage value of the light-emitting unit to be 1V, the collection module sends the collected working voltage value information to the control module (for example, a control card), the control module judges that the working voltage value of the light-emitting unit is not in the normal value range according to the received working voltage value information 1V, at the moment, the control module determines that the voltage of the light-emitting unit is abnormal, and the control module automatically controls the indication unit to emit light so as to indicate the voltage state of the display unit to be abnormal. It should be noted that the control module may also be installed on a terminal (for example, a computer) in a form of, but not limited to, software, where the software is provided with buttons corresponding to the indication units one by one, and if a certain indication unit needs to be controlled to emit light, the button corresponding to the indication unit on the software of the computer is clicked manually. For example, in the use process or the debugging process, the parameters acquired by the acquisition module are the working voltage of the light-emitting unit and the environmental temperature of the environment, the normal working voltage value range of the light-emitting unit is more than or equal to 1.2V and less than or equal to 1.5V, the normal environmental temperature value range of the environment is more than or equal to 0 degrees and less than or equal to 40 degrees, the current working voltage value of the light-emitting unit and the environmental temperature value of the environment (for example, the working voltage value is 1.3V and the environmental temperature value is 60 degrees) are acquired by the acquisition module, the acquired working voltage value and the environmental temperature value of the environment are sent to the control module, the control module judges that the working voltage value of the light-emitting unit is in the normal value range according to the received working voltage value of 1.3V and the environmental temperature value of the environment of 60 degrees, and the environmental temperature value of the environment is not in the normal value range, and the control module controls the corresponding indication unit in the display area of the light-emitting unit to emit light to indicate the abnormal temperature of the light-emitting unit. It should be noted that the temperature may also be an operating temperature, and those skilled in the art may set the temperature according to actual situations and requirements, which is not limited in this application. Through the scheme, the user can directly see the luminous unit in the front face rapidly and intuitively when the indicating unit emits light, so that the maintenance efficiency is improved, and the indicating unit is hidden under the luminous unit when the indicating unit does not emit light, so that the attractiveness of the indicating unit and the display effect of the luminous unit are not influenced.
It should be noted that the collecting module may include, but is not limited to, a voltage sensor, a current sensor, a temperature sensor, etc., for example, a humidity sensor, a signal on-off sensor, etc., where the collecting module may also include integrating functions of the sensor for collecting required parameters, and the collecting module may collect the light-emitting unit when the light-emitting unit works, and may collect the light-emitting unit when the light-emitting unit is in a standby state, and of course, setting of the sensor may include, but is not limited to, setting part of the sensor outside the display module, for example, setting the voltage sensor outside the display module, and may be performed by an external mobile terminal (computer, mobile phone, etc.) according to the voltage parameter collected by the voltage sensor set outside the display module during the debugging process, when it is confirmed that the collected voltage parameter is not within a normal voltage value range, the control indication unit emits light to indicate that the working state of the control indication unit is abnormal in voltage so as to realize the debugging of each light emitting unit, a person skilled in the art can set the acquisition module according to actual conditions and requirements, the invention is not limited, the control module can comprise a control card, a controller and the like, as long as the judgment of the acquired parameter information and the light emission of the control indication lamp 6 can be realized, the person skilled in the art can select specific application equipment of the control module according to the actual conditions and requirements, and it is noted that the acquisition module can comprise but not limited to be integrated in the control module, for example, the acquisition module can also be independently arranged in the display module together with the control module, preferably, the acquisition module of the embodiment is integrated in the control module, so that the structure of the display module is more compact, compact to accommodate more usage environments and needs.
In some examples, the acquisition control device further includes a storage module, where a correspondence table of correspondence between abnormal types and light emitting modes is stored in the storage module, and is configured to determine, when it is determined that the light emitting unit 2 is abnormal according to the parameter, the abnormal type of the light emitting unit 2, match a corresponding target light emitting mode according to the abnormal type and the correspondence table, and control the indication unit 5 to emit light according to the target light emitting mode. It should be noted that, the storage module may be integrated inside the collection control device or may be independently set, for example, may be an external storage device such as a usb disk, a storable mobile terminal, etc., and the specific existing form of the storage module may be set by a person skilled in the art according to actual situations and requirements, so long as the storage of the relationship table can be achieved.
It should be noted that, the correspondence table of the correspondence between the abnormal type and the light emitting mode stored in the storage module is shown in table 1, and the table may be stored in the storage module of the acquisition control device in advance, or may be stored in the external device, and when in use, the table is accessed to the external device and uploaded to the storage module, so that a person skilled in the art can set the table according to the actual situation and the requirement, and the invention is not limited.
TABLE 1
It should be noted that, the abnormal types may correspondingly include, but not limited to, different light emitting modes, for example, the abnormal types may also correspond to the same light emitting mode, as shown in table 2, which is another correspondence table between abnormal types and light emitting modes, and the light emitting modes of normally bright red light emit light no matter what the abnormal types are, and of course, the correspondence table may also include, but not limited to, light emitting modes of different colors, different frequencies and different brightness, so long as the relationship between the abnormal types and the light emitting modes can be correctly corresponding, and those skilled in the art can set according to actual situations and requirements.
TABLE 2
| Abnormality type | Light emitting mode |
| Abnormal voltage | Normally bright red light |
| Abnormal current | Normally bright red light |
| Abnormal temperature | Normally bright red light |
| Abnormal humidity | Normally bright red light |
| Abnormal signal on-off | Normally bright red light |
| Abnormal networking state | Normally bright red light |
| LED lamp conduction abnormality | Normally bright red light |
| …… | …… |
It should be noted that, in some embodiments, the correspondence table may further include, but is not limited to, a parameter type, a parameter anomaly standard, etc., for example, a correspondence table of a parameter type, a parameter anomaly standard, an anomaly type, and a lighting manner is shown in table 3, where only a certain parameter type is collected, for example, when a voltage parameter is collected, it is determined whether the collected voltage parameter falls within a parameter anomaly standard range, if the collected voltage parameter falls within the parameter anomaly standard range, it may be determined that the collected voltage parameter falls within the parameter anomaly standard range, so as to indicate that the unit is always bright red, so as to prompt the user that the lighting unit is abnormal, although a plurality of parameters may be collected simultaneously when the collected parameter is collected, it may include, but is not limited to, determining what the anomaly type is required to be again, then controlling the indication unit to include, but not limited to always bright red, for example, it may also be directly controlling the indication unit to flash light, chang Lianglan light, etc., and meanwhile, without determining what the anomaly type is required to be, and the specific embodiment can be set by a person skilled in the art according to actual situation and requirements, without limitation.
TABLE 3 Table 3
| Parameter type | Parameter anomaly criteria | Abnormality type | Light emitting mode |
| Voltage (V) | 0V-0.5V | Abnormal voltage | Normally bright red light |
| Electric current | 0A-0.1A | Abnormal current | Normally bright red light |
| Temperature (temperature) | 80℃-100℃ | Abnormal temperature | Normally bright red light |
| …… | …… | …… | …… |
| Signal on-off | Signal disconnection | Abnormal signal on-off | Flashing red light |
| Networking state | Network disconnection | Abnormal networking state | Normally bright blue light |
| …… | …… | …… | …… |
In some examples, the LED light source assembly generally supports color display, and thus one pixel in the LED light source assembly supports red, green, and blue light emission, so that in this example, at least a portion of the plurality of light emitting chips may emit red light, at least a portion of the plurality of light emitting chips may emit green light, and a portion of the plurality of light emitting chips may emit blue light. In this example, the light emitting chip 12 includes a blue LED chip, a red LED chip, a green LED chip. For example, the blue and green LED chips may be gallium nitride-based light emitting chips, and the red LED chip may be gallium arsenide-based light emitting chips. In other examples, all the light emitting chips in the LED light source assembly may be blue LED chips, and in order to make a part of the light emitting chips emit green light and red light, a corresponding light conversion layer may be disposed on the light emitting surfaces of the light emitting chips 12, where the light conversion layer may include, but is not limited to, a phosphor layer, a quantum film layer, and the like. It should be understood that only the case where one pixel supports light of three colors of red, green, and blue is described above, but in some examples, the light emitting chip 12 at one and the same pixel may emit at least one of cyan, white, and yellow light in addition to light of three colors of red, green, and blue. The set of the light emitting chips 12 disposed at the same pixel point is referred to as one light emitting unit in this embodiment. Therefore, in some examples of the present embodiment, three light emitting chips 12 are included in one light emitting unit, and in other examples, a greater number of light emitting chips 12 may be included in one light emitting unit.
In some examples, one display unit 3 may include, but is not limited to, a plurality of light emitting units 2, for example, as shown in fig. 3, which is a schematic structural diagram of still another display module, where the display unit 3 includes 3 light emitting units 201, 202, and 203, it should be noted that the display module indicating unit 501 is disposed corresponding to the light emitting units 201 and 202, and the indicating unit 502 is disposed corresponding to the light emitting units 203, and each light emitting unit may include, but is not limited to, a different number of light emitting chips, and may also include the same number of light emitting chips. It will be appreciated that each indication unit 5 includes, but is not limited to, a configuration diagram corresponding to a plurality of light emitting units 2, for example, as shown in fig. 4, in which an indication unit 501 is configured corresponding to a light emitting unit 201 and a light emitting unit 202, and an indication unit 502 is configured corresponding to a light emitting unit 203 and a light emitting unit 204, and of course, the light emitting units 201, 202, 203, 204 may be configured corresponding to the indication unit 5, for example, as shown in fig. 5, in which one indication unit may be connected to a plurality of light emitting units during a debugging process, for example, assuming that one indication unit corresponds to 3 light emitting units, the indication unit does not emit light when the first light emitting unit is debugged to be normal, the indication unit emits light when the second light emitting unit is debugged to be abnormal, and the indication unit does not emit light when the third light emitting unit is debugged to be normal. It should be noted that, the person skilled in the art may set the correspondence between the number of the light emitting units 2 and the number of the indicating units 5 according to the actual situation and the requirement.
In some examples, the transparent area 8 has a blind hole 9 extending from the back surface of the display back plate 1 to the front surface of the display back plate 1, as shown in fig. 6, which is a cross-sectional view of a display module, it should be noted that, the depth of the blind hole 9 is equal to or greater than 0 and equal to or less than any depth of the thickness of the display back plate 1, light emitted from the indication unit 5 is emitted from the display area 11 through the transparent area 8, the shape of the transparent area may include, but not limited to, square, rectangle, circle, etc., for example, trapezoid, diamond, triangle, straight line, polygon, as shown in fig. 7, which is a cross-sectional view of another display module, it should be noted that, as long as the effect of reducing the thickness of the area of the display back plate 1 and increasing the transmittance can be achieved, the blind hole can be any shape and size, and can be set by a person skilled in the art according to practical situations and requirements, preferably, for example, as shown in fig. 8, which is a schematic view of a display back plate structure of the display back plate in this embodiment, the blind hole 9 is set to have a circular shape, its aperture of 5mm, and its thickness is 70 mm, and the depth is correspondingly reduced to the transparent area of the transparent area, and the transparent area is located on the back surface of the display back surface 8, and the transparent area is more clearly visible.
In some examples, the display back plate 1 is a glass back plate or a PCB board, and the light-transmitting area is a clear area without lines or pixels, it should be noted that the light-transmitting area may be made of semitransparent material or may be made of fully transparent material, and meanwhile, the area may also be a clear area with fewer lines or no lines, so as to achieve a better light-transmitting effect, and of course, the area may also be a surface of the display back plate 1 without a copper sheet or a paint layer, and the light-transmitting area may also include a light-transmitting layer on the front surface of the back plate corresponding to the indication unit 5 and the display unit 3.
The display module of this embodiment is through setting up the display area on the display backplate openly, is provided with the light-emitting unit in the display area, and the instruction unit sets up in the back of display backplate one side simultaneously, and be located with the regional that the display area corresponds, gathers the parameter of control equipment collection light-emitting unit, and this parameter includes at least one of the operating parameter of the operating condition of characterization light-emitting unit and the environmental parameter of the environmental condition of place, when confirming according to the parameter that light-emitting unit satisfies the default instruction condition, control the instruction unit and give out light to through the printing opacity area that corresponds to the instruction unit on the display backplate, follow the display area and jet out, instruct the state of light-emitting unit. The working state of each luminous unit can be quickly and intuitively known by a user from the front of the display screen, the problem that the working state of one or more luminous units and/or the environmental state of the environment of the existing LED display screen cannot be quickly and intuitively known, and the abnormal luminous units cannot be accurately positioned to accurately position and overhaul the luminous units is solved, and the overhaul accuracy and the user use satisfaction are improved; the working state of each light-emitting unit and/or the environmental state of the environment can be quickly and intuitively known from the front of the display screen, so that software is not required to be used for monitoring the light-emitting units, and convenience, intuitiveness and user use satisfaction are improved.
Example two
In order to solve the problem that the working states of one or more light emitting units cannot be known quickly and intuitively from the front side of a display screen in the prior art, the embodiment provides a control method of a display module. Fig. 9 is a flowchart of a control method of a display module according to the present embodiment.
S1: collecting parameters of the light-emitting unit, wherein the parameters comprise at least one of working parameters representing the working state of the light-emitting unit and environment parameters representing the environment state;
it should be noted that, in practical application, the device for collecting the parameter of the light emitting unit may include, but is not limited to, a collecting module, for example, a sensor with a function of collecting the parameter, and a person skilled in the art may choose the collecting device according to practical situations and requirements, so that the application is not limited, and meanwhile, the parameter may include, but is not limited to, at least one of voltage, current, temperature, humidity, signal on-off, networking state, and LED lamp on-state, for example, may include only voltage, may include only current, may include only temperature, and may include voltage, current, and temperature.
S2: determining whether the display unit meets the preset indication condition according to the parameters;
it should be noted that, when the preset indication conditions include abnormal or normal light emitting units, the control indication unit may include, but not limited to, abnormal light emitting units, for example, when the light emitting units are normal, the control indication unit may emit light, and a person skilled in the art may set the control indication unit according to practical situations and requirements.
S3: and when the light-emitting unit is determined to meet the preset indication condition according to the parameter, controlling the indication unit to emit light.
In some examples, when the preset indication condition is that the light emitting unit is abnormal, when the light emitting unit is determined to be abnormal according to the acquired parameter, a corresponding target light emitting mode is matched according to the abnormal type and a corresponding relation table of the preset abnormal type and the light emitting mode, and then the indication unit is controlled to emit light according to the target light emitting mode.
In some examples, the abnormal types in the correspondence table include, but are not limited to, at least one of voltage abnormality, current abnormality, temperature abnormality, humidity abnormality, signal on-off abnormality, networking state abnormality and LED lamp on abnormality, the light emitting modes in the correspondence table include, but are not limited to, at least one of different colors, different frequencies and different brightness, it is understood that the abnormal types and the light emitting modes can flexibly correspond, and those skilled in the art can set the abnormal types and the light emitting modes according to actual situations and requirements, the invention is not limited, it should be noted that the correspondence table can be pre-stored in a storage module of the acquisition control device or uploaded through an external device, those skilled in the art can set the abnormal types and the light emitting modes according to actual situations and requirements, and the invention is not limited.
The control method of the display module provided by the embodiment is that parameters of the light emitting unit are collected, wherein the parameters comprise at least one of working parameters representing the working state of the light emitting unit and environment parameters of the environment state; determining whether the light emitting unit meets a preset indication condition according to the parameter; and controlling the indication unit to emit light when the light-emitting unit is determined to meet the preset indication condition according to the parameter. According to the display module, when the parameters of the light-emitting units meet the preset indication conditions, the corresponding indication units are controlled to emit light emitted by the indication units from the display area through the light-transmitting area, so that the problems that the working state and/or the environment state of one or more light-emitting units cannot be known quickly, intuitively and accurately, the abnormal light-emitting units cannot be positioned accurately to carry out positioning maintenance on the abnormal light-emitting units are solved, and the maintenance accuracy, the maintenance efficiency and the user use satisfaction degree are improved.
Example III
The embodiment provides a display screen, which comprises the display modules, preferably, in the embodiment, the display screen comprises 4 display modules and is arranged in a 2×2 arrangement mode, as shown in fig. 10, which is a schematic structural diagram of the display screen, fig. 10 a shows the front surface of the display screen, each display module 10 only comprises a light-emitting unit and an indication unit, and the light-emitting unit corresponds to the indication unit, therefore, when the display screen works, if the light-emitting unit of one display module 10 is abnormal, the indication unit is controlled to emit light, and a user can quickly and intuitively see the front surface of the display screen, of course, when the display screen is debugged, the indication unit corresponding to each display module 10 can be seen from the front side A of the display screen quickly and intuitively, for example, in the debugging process, if a certain display module 10 is debugged to be abnormal, the indication unit corresponding to the display module 10 is luminous at the moment, and a debugger can maintain according to the luminous display module 10 in a targeted manner, so that the problem that the working state of one or more display modules cannot be quickly and intuitively known in the prior art is solved, the maintenance accuracy and the user satisfaction degree are improved, and meanwhile, the indication unit is integrated with the display modules in the display screen, so that the appearance is concise and attractive.
It should be noted that, for example, as shown in fig. 11, a schematic structural diagram of another display screen is shown, which includes a plurality of display modules 10, where a in the drawing indicates that the front surface of the display screen is the front surface of the display screen, each display module 10 includes a plurality of light emitting units and a plurality of indication units, as shown in the drawing, one display module 10 includes 9 light emitting units and 9 indication units uniformly distributed in one display module 10, and it should be noted that the number of display modules in the display screen, the arrangement manner of the display modules, the number of light emitting units and indication units included in each display module and the arrangement manner of the display units in each display module according to the actual situation and requirements can be set by those skilled in the art, and the invention is not limited.
The display screen provided by the embodiment comprises the display modules, light emitted by the indicating units can be quickly and intuitively seen from the front side of the display screen through the structures, the problem that the working state and/or the environment state of one or more display modules cannot be quickly and intuitively known in the existing LED display screen is solved, and therefore the abnormal display modules cannot be accurately positioned and overhauled is solved, the abnormal display modules are not required to be monitored by software, the overhauling accuracy and convenience are realized, and meanwhile, the indicating units are integrated with the display modules in the display screen, so that the appearance is concise and attractive, and the quality of products and the user use satisfaction are improved.
The display module and the display screen provided in the foregoing embodiments may be applied to various fields of lighting and display, for example, the display module may be manufactured to be applied to the field of display (may be a display module of a terminal such as a television, a display, a mobile phone, etc.). At this time, the display backlight module can be applied to the display backlight module. The display device can be applied to the field of display backlight, key backlight, shooting, household illumination, medical illumination, decoration, automobile, traffic and the like. When the light source is applied to the field of key backlight, the light source can be used as a key backlight light source with key equipment such as a mobile phone, a calculator, a keyboard and the like; when the device is applied to the shooting field, the device can be manufactured into a flash lamp of a camera; when the LED lamp is applied to the field of household illumination, the LED lamp can be manufactured into a floor lamp, a desk lamp, an illuminating lamp, a ceiling lamp, a down lamp, a projection lamp and the like; when the light source is applied to the field of medical illumination, the light source can be manufactured into operating lamps, low-electromagnetic illumination lamps and the like; when the light is applied to the decoration field, various decorative lamps such as various colored lamps, landscape lighting lamps and advertisement lamps can be manufactured; when the material is applied to the field of automobiles, the material can be manufactured into automobile lamps, automobile indication lamps and the like; when the LED street lamp is applied to the traffic field, various traffic lamps can be manufactured, and various street lamps can also be manufactured. The above-described applications are only a few applications of the example shown in the present embodiment, and it should be understood that the application of the light emitting device in the present embodiment is not limited to the fields of the above-described examples.
It should be noted that the number, shape, and size relationships of the elements in the drawings are not meant to be actual examples of the elements, but are merely schematic diagrams for ease of understanding. The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (10)
1. A display module, characterized in that the display module comprises:
at least two display units; the display unit comprises a display backboard, and a display area is arranged on the front surface of the display backboard; the display unit also comprises a light-emitting unit arranged in the display area;
the display back plate comprises at least two display units, wherein the display units are in one-to-one correspondence with the light-emitting units, each display unit is arranged on one side of the back surface of the display back plate and is positioned in a region corresponding to a display region of each light-emitting unit, and a region corresponding to the display unit on the display back plate is a light-transmitting region; the indicating unit comprises at least one indicating lamp, and light emitted by the indicating lamp penetrates through the light-transmitting area and is emitted from the display area so as to indicate the state of the light-emitting unit correspondingly arranged to the indicating unit.
2. The display module of claim 1, wherein the display module further comprises:
the acquisition control equipment is used for acquiring parameters representing the state of the light-emitting unit, and controlling the indicating unit to emit light to indicate the state of the light-emitting unit when the preset indicating condition is determined to be met according to the parameters; the parameters include at least one of an operating parameter for characterizing an operating state of the lighting unit and an environmental parameter of an environmental state in which the lighting unit is located.
3. The display module of claim 2, wherein the acquisition control device comprises an acquisition module and a control module, and the preset indication condition comprises an abnormality of the light emitting unit;
the acquisition module is used for acquiring the parameters of the light-emitting unit;
the control module is used for controlling the indication unit to emit light when the light-emitting unit is determined to be abnormal according to the parameters.
4. The display module according to claim 3, wherein the acquisition control device further comprises a storage module, and the storage module stores a correspondence table of correspondence between abnormal types and lighting modes;
the control module is used for determining the abnormal type of the light-emitting unit when the light-emitting unit is determined to be abnormal according to the parameters, matching a corresponding target light-emitting mode according to the abnormal type and the corresponding relation table, and controlling the indicating unit to emit light according to the target light-emitting mode.
5. The display module of any one of claims 1-4, wherein the light-transmitting area is a headroom area of the display backplane where no wiring is provided.
6. The display module of any one of claims 1-4, wherein the light transmissive region has a blind hole extending from a back surface of the display back plate toward a front surface of the display back plate.
7. A display screen comprising the display module of any one of claims 1-6.
8. A control method of a display module according to any one of claims 1 to 6, comprising:
collecting parameters of the light-emitting unit, wherein the parameters comprise at least one of working parameters representing the working state of the light-emitting unit and environment parameters representing the environment state;
determining whether the light-emitting unit meets a preset indication condition according to the parameters;
and when the light-emitting unit is determined to meet the preset indication condition according to the parameter, controlling the indication unit to emit light.
9. The method of claim 8, wherein the predetermined indication condition includes abnormality of a light emitting unit; when the light emitting unit is determined to meet the preset indication condition according to the parameter, controlling the indication unit to emit light comprises the following steps:
determining an abnormality type of the light emitting unit when the light emitting unit is abnormal;
matching a corresponding target lighting mode according to the abnormal type and a corresponding relation table of the preset abnormal type and lighting mode corresponding relation;
and controlling the indication unit to emit light according to the target light emitting mode.
10. The method according to claim 9, wherein the abnormality type in the correspondence table includes at least one of voltage abnormality, current abnormality, temperature abnormality, humidity abnormality, signal on-off abnormality, networking state abnormality, LED lamp on abnormality;
the light emitting means in the correspondence table includes: at least one of different colors, different frequencies, different brightness.
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| CN202111265275.4A CN114038344B (en) | 2021-10-28 | 2021-10-28 | Display module, display screen and control method of display module |
| PCT/CN2022/123579 WO2023051823A1 (en) | 2021-09-30 | 2022-09-30 | Display module and manufacturing method therefor |
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807379A (en) * | 2010-03-22 | 2010-08-18 | 北京巨数数字技术开发有限公司 | LED backlight control system of liquid crystal display |
| KR20120087031A (en) * | 2011-01-27 | 2012-08-06 | 엘지이노텍 주식회사 | Method for monitoring condition of display device and apparatus for monitoring condition of display device |
| JP2013003472A (en) * | 2011-06-20 | 2013-01-07 | Sharp Corp | Display device and control method of display device |
| CN106534738A (en) * | 2016-12-07 | 2017-03-22 | 广东长虹电子有限公司 | Backlight module and TV set |
| CN106959833A (en) * | 2016-01-11 | 2017-07-18 | 华为终端（东莞）有限公司 | Multi-display method, mobile terminal and protective case |
| CN107332948A (en) * | 2017-07-11 | 2017-11-07 | 广东欧珀移动通信有限公司 | Display device, terminal device and proximity state detection method |
| CN108920340A (en) * | 2018-08-01 | 2018-11-30 | 武汉普利商用机器有限公司 | Handheld terminal working condition display methods and its physical button area transparent transmission device |
| CN108922900A (en) * | 2018-06-28 | 2018-11-30 | 厦门天马微电子有限公司 | A kind of display device and its display methods |
| CN109448551A (en) * | 2018-11-16 | 2019-03-08 | 维沃移动通信有限公司 | Terminal device |
| CN110504350A (en) * | 2018-05-18 | 2019-11-26 | 深圳市聚飞光电股份有限公司 | LED component and light emitting device |
| CN110520830A (en) * | 2018-02-26 | 2019-11-29 | 华为技术有限公司 | Mobile terminal and its display methods |
| CN210109578U (en) * | 2019-06-11 | 2020-02-21 | 无锡小天鹅电器有限公司 | Control panel of household electrical appliance and household electrical appliance |
| CN110853586A (en) * | 2019-12-05 | 2020-02-28 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN210321668U (en) * | 2019-07-24 | 2020-04-14 | 深圳市科伦特电子有限公司 | Splicing detection and positioning device for LED display screen |
| CN111258861A (en) * | 2020-02-11 | 2020-06-09 | Oppo广东移动通信有限公司 | Signal processing method and related equipment |
| CN111785198A (en) * | 2020-06-30 | 2020-10-16 | 联想(北京)有限公司 | Display screen, state control method and device |
| JP2021026020A (en) * | 2019-07-31 | 2021-02-22 | 日本精機株式会社 | Display device |
| JP2021056312A (en) * | 2019-09-27 | 2021-04-08 | シャープ株式会社 | Display device |
| CN112738306A (en) * | 2020-12-29 | 2021-04-30 | RealMe重庆移动通信有限公司 | Electronic device and control method of electronic device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015090394A (en) * | 2013-11-05 | 2015-05-11 | キヤノン株式会社 | Image display apparatus, control method of image display apparatus, light source device, control method of light source device, and program |
-
2021
- 2021-10-28 CN CN202111265275.4A patent/CN114038344B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807379A (en) * | 2010-03-22 | 2010-08-18 | 北京巨数数字技术开发有限公司 | LED backlight control system of liquid crystal display |
| KR20120087031A (en) * | 2011-01-27 | 2012-08-06 | 엘지이노텍 주식회사 | Method for monitoring condition of display device and apparatus for monitoring condition of display device |
| JP2013003472A (en) * | 2011-06-20 | 2013-01-07 | Sharp Corp | Display device and control method of display device |
| CN106959833A (en) * | 2016-01-11 | 2017-07-18 | 华为终端（东莞）有限公司 | Multi-display method, mobile terminal and protective case |
| CN106534738A (en) * | 2016-12-07 | 2017-03-22 | 广东长虹电子有限公司 | Backlight module and TV set |
| CN107332948A (en) * | 2017-07-11 | 2017-11-07 | 广东欧珀移动通信有限公司 | Display device, terminal device and proximity state detection method |
| CN110520830A (en) * | 2018-02-26 | 2019-11-29 | 华为技术有限公司 | Mobile terminal and its display methods |
| CN110504350A (en) * | 2018-05-18 | 2019-11-26 | 深圳市聚飞光电股份有限公司 | LED component and light emitting device |
| CN108922900A (en) * | 2018-06-28 | 2018-11-30 | 厦门天马微电子有限公司 | A kind of display device and its display methods |
| CN108920340A (en) * | 2018-08-01 | 2018-11-30 | 武汉普利商用机器有限公司 | Handheld terminal working condition display methods and its physical button area transparent transmission device |
| CN109448551A (en) * | 2018-11-16 | 2019-03-08 | 维沃移动通信有限公司 | Terminal device |
| CN210109578U (en) * | 2019-06-11 | 2020-02-21 | 无锡小天鹅电器有限公司 | Control panel of household electrical appliance and household electrical appliance |
| CN210321668U (en) * | 2019-07-24 | 2020-04-14 | 深圳市科伦特电子有限公司 | Splicing detection and positioning device for LED display screen |
| JP2021026020A (en) * | 2019-07-31 | 2021-02-22 | 日本精機株式会社 | Display device |
| JP2021056312A (en) * | 2019-09-27 | 2021-04-08 | シャープ株式会社 | Display device |
| CN110853586A (en) * | 2019-12-05 | 2020-02-28 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN111258861A (en) * | 2020-02-11 | 2020-06-09 | Oppo广东移动通信有限公司 | Signal processing method and related equipment |
| CN111785198A (en) * | 2020-06-30 | 2020-10-16 | 联想(北京)有限公司 | Display screen, state control method and device |
| CN112738306A (en) * | 2020-12-29 | 2021-04-30 | RealMe重庆移动通信有限公司 | Electronic device and control method of electronic device |
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| Publication number | Publication date |
|---|---|
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