CN212648247U - Display module and device - Google Patents
Display module and device Download PDFInfo
- Publication number
- CN212648247U CN212648247U CN202021436963.3U CN202021436963U CN212648247U CN 212648247 U CN212648247 U CN 212648247U CN 202021436963 U CN202021436963 U CN 202021436963U CN 212648247 U CN212648247 U CN 212648247U
- Authority
- CN
- China
- Prior art keywords
- layer
- color
- signal
- changing
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
The invention provides a display module and a device, wherein the display module comprises: the color-changing light source comprises a substrate, a light-emitting layer arranged on the first surface of the substrate, a color-changing layer arranged above the light-emitting layer, a power supply layer arranged above the color-changing layer in a surrounding mode, and a control circuit arranged on the second surface of the substrate; the power supply layer is used for supplying power to the luminous layer and the color changing layer; the control circuit is electrically connected with the control end of the power supply layer and is used for controlling the voltage value output to the color-changing layer and the light-emitting layer. The problem that the reliability of the whole optical system is influenced due to different attenuation rates of the pixel points is solved.
Description
Technical Field
The invention relates to the field of micro-LEDs, in particular to a display module and a device.
Background
Micro LED technology, i.e. LED scaling and matrixing technology. Refers to the size of high-density micro-sized LED integrated on a chip, such as the addressable and individually driven lighting of each pixel of an LED display screen, and the pixel grade is reduced from millimeter grade to micron grade. The Micro LED not only inherits the advantages of high efficiency, high brightness, high reliability and quick response time of the traditional LED, but also has the characteristics of energy conservation, simple mechanism, small volume, thinness and no need of backlight source for light emission.
In the prior art, generally, pixel points are arrayed on a substrate, the pixel points arrayed on the substrate are driven by a driving circuit, and red, green and blue three-color micro-LED light emitting elements are configured on the pixel points, when the red, green and blue three-color micro-LED light emitting elements are powered, the relative working voltages are inconsistent, the attenuation rates of the micro-LEDs with three colors are different, the uniformity of light color is difficult to ensure, and if the attenuation rates of the pixel points with a large number of colors on one plate are different, the reliability of the whole optical system is influenced.
Disclosure of Invention
The invention discloses a display module and a device, aiming at solving the problem that the reliability of the whole optical system is influenced because the attenuation rates of pixel points are different.
A first embodiment of the present invention provides a display module, including: the color-changing light source comprises a substrate, a light-emitting layer arranged on the first surface of the substrate, a color-changing layer arranged above the light-emitting layer, a power supply layer arranged above the color-changing layer in a surrounding mode, and a control circuit arranged on the second surface of the substrate;
the power supply layer is used for supplying power to the luminous layer and the color changing layer;
the control circuit is electrically connected with the control end of the power supply layer and is used for controlling the voltage value output to the color-changing layer and the light-emitting layer.
Preferably, the light emitting layer is composed of a plurality of micro-LED light emitting tubes, and the array is configured on the first surface of the substrate and electrically connected with the power supply layer.
Preferably, the color changing layer comprises a plurality of electro-color changing blocks, wherein the plurality of electro-color changing blocks are correspondingly covered on the plurality of micro-LED luminous tubes.
Preferably, every three electro-chromic blocks constitute a pixel, and a plurality of pixels are arrayed on the substrate.
Preferably, the electro-to-color-changing blocks forming the pixel points are sequentially covered on the three micro-LED luminotrons by blue-color-changing blocks, red-color-changing blocks and green-color-changing blocks.
Preferably, the device further comprises a first protective layer and a second protective layer;
wherein the first protective layer is disposed above the power supply layer, and the second protective layer is disposed above the control circuit.
A second embodiment of the present invention provides a display device including: the display module comprises an MCU control module, an SCU control module, a storage unit and any one of the display modules; the MCU control module is used for receiving a video signal of an upper computer, the output end of the MCU control module is electrically connected with the input end of the SCU control module, and the output end of the SCU control module is electrically connected with the control circuit.
Preferably, the MCU control module comprises a DVI interface, a DVI processing unit and a video processing unit; the DVI interface is used for receiving the video signal of the upper-level connection and transmitting the video signal to the DVI processing unit, and the DVI processing unit converts the video signal into a signal which can be identified by the frequency processing unit.
Preferably, the SCU control module includes a light receiving unit and a signal processing unit;
the light receiving unit is used for receiving the light signal of the video processing unit, converting the light signal into an electric signal and sending the electric signal to the signal processing unit, and the signal processing unit generates a control signal according to the electric signal and sends the control signal to the control circuit.
According to the display module and the device provided by the invention, the light emitting layer is arranged on the first surface of the substrate, the color changing layer is arranged on the light emitting layer, and the power supply layer arranged on the color changing layer in a surrounding manner is used for supplying power to the color changing layer and the light emitting layer, wherein the power supply adopts one color light, so that the phenomenon that when three color lights are directly adopted for supplying power, the color is not uniform, or attenuation plastics are different, and the color of the generated light is not uniform, so that the reliability of the whole optical system is influenced.
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 module connection diagram of a display device according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
The invention discloses a display module and a device, aiming at solving the problem that the reliability of the whole optical system is influenced because the attenuation rates of pixel points are different.
Referring to fig. 1 and fig. 2, a display module according to a first embodiment of the present invention includes: a substrate 1, a light emitting layer 3 arranged on a first surface of the substrate 1, a color changing layer 2 arranged above the light emitting layer 3, a power supply layer 4 arranged around the color changing layer 2, and a control circuit 10 arranged on a second surface of the substrate 1;
the power supply layer 4 is used for supplying power to the luminescent layer 3 and the color-changing layer 2;
the control circuit 10 is electrically connected to the control terminal of the power supply layer 4, and is configured to control the voltage values output to the color changing layer 2 and the light emitting layer 3.
It should be noted that, in the existing display module, a plurality of pixels are configured on one substrate 1 for color development, wherein the pixels are directly connected with three different color development layers (red, blue, green) sequentially arranged on the substrate 1, and the three different color development layers are lighted by a driving circuit, however, the three color development layers often have different driving voltages, and the attenuation rates of the three color development layers after color development are different, and if the attenuation rates of large areas on the substrate 1 are different, the reliability of the whole optical system can occur.
In this embodiment, by configuring a light emitting layer 3 on a substrate 1 and configuring a color changing layer 2 on the light emitting layer 3, it can be understood that the light emitting layer 3 is composed of a plurality of micro-LED light emitting tubes, each of the micro-LED light emitting tubes is uniformly configured on a first surface of the substrate 1, each of the micro-LED light emitting tubes is connected to a power supply interface, and the power supply interface 4 supplies power to the micro-LED light emitting tube, wherein the power supply voltage of each of the micro-LED light emitting tubes is uniform and is matched with the color changing layer 2 for color development, so as to solve the problem in the prior art that the attenuation rates of direct color development by three different color light emitting materials are different, it should be noted that other light emitting devices can be used instead of the micro-LED light emitting tubes, such as OLED light emitting panels, which are not specifically limited herein, but all such variations are within the scope of the invention.
In the embodiment, the color changing layer 2 comprises a plurality of electro-color changing blocks, wherein the plurality of electro-color changing blocks are correspondingly covered on a plurality of micro-LED luminous tubes.
It should be noted that the electro-chromic block is in one-to-one correspondence with the micro-LED light emitting tube, and when the two emit light simultaneously, the color is displayed, for example, the micro-LED light emitting tube emits light, and when the micro-LED light emitting tube covered with the light and the color-chromic block is powered on and the color-chromic block also displays color, the point is powered on, and the displayed color is determined by the electro-chromic block, for example, when the micro-LED light emitting tube emits light simultaneously, the electro-chromic block is red, and the point displays red.
In this embodiment, every three electro-chromic blocks constitute a pixel, and a plurality of pixels are arrayed on the substrate 1.
It should be noted that, every three of the electro-chromic block structures are covered on the corresponding micro-LED light emitting tubes to form a pixel point, and a plurality of pixel points are uniformly arranged on the substrate 1, wherein, the three micro-LED light emitting tubes are covered by a blue-chromic color block, a red-chromic color block and a green-chromic color block in sequence, it should be understood that the sequence of the electro-chromic blocks of the pixel points in the row direction can be the blue-chromic color block, the red-chromic color block and the green-chromic color block, and the sequence of the electro-chromic blocks of the pixel points in the vertical direction can be the blue-chromic color block, the red-chromic color block and the green-chromic color block.
In this embodiment, the device further includes a first protection layer and a second protection layer;
wherein the first protective layer is disposed above the power supply layer 4, and the second protective layer is disposed above the control circuit 10.
It should be noted that the first protection layer and the second protection layer are used for protecting the upper layer and the lower layer of the display module, wherein the first protection layer may be transparent to encapsulate the control circuit 10.
A second embodiment of the present invention provides a display device including: the display module comprises an MCU control module, an SCU control module, a storage unit and any one of the display modules; the MCU control module is used for receiving a video signal of an upper computer, the output end of the MCU control module is electrically connected with the input end of the SCU control module, and the output end of the SCU control module is electrically connected with the control circuit 10.
In this embodiment, the MCU control module includes a DVI interface 5, a DVI processing unit 6, and a video processing unit 7; the DVI interface 5 is used for receiving the video signal of the upper place and transmitting to the DVI processing unit 6, the DVI processing unit 6 will the video signal converts the signal that the frequency processing unit can discern into.
In this embodiment, the SCU control module includes a light receiving unit 8 and a signal processing unit 9;
the light receiving unit 8 is configured to receive the light signal of the video processing unit 7, convert the light signal into an electrical signal, and send the electrical signal to the signal processing unit 9, where the signal processing unit 9 generates a control signal according to the electrical signal and sends the control signal to the control circuit 10.
It should be noted that, DVI interface 5 receives the video signal that the host computer sent, changes video signal into through DVI processing unit 6 the signal that frequency processing unit can discern to transmit to SCU control module's light receiving element 8 through optic fibre, light receiving element 8 converts light signal into the signal of telecommunication and sends to signal processing unit 9, signal processing unit 9 basis signal of telecommunication generation control signal send to control circuit 10, the pixel that control circuit 10 control power supply layer 4 electric quantity corresponds shows video signal on display module.
According to the display module and the device provided by the invention, the light emitting layer 3 is arranged on the first surface of the substrate 1, the color changing layer 2 is arranged on the light emitting layer 3, and the power supply layer 4 arranged on the color changing layer 2 in a surrounding manner is used for supplying power to the color changing layer 2 and the light emitting layer 3, wherein the power supply adopts one color light, so that the phenomenon that when three color lights are directly adopted for supplying power, the color is not uniform, or different attenuation plastics are generated, the generated color is not uniform, and the reliability of the whole optical system is further influenced is avoided.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.
Claims (9)
1. A display module, comprising: the color-changing light source comprises a substrate, a light-emitting layer arranged on the first surface of the substrate, a color-changing layer arranged above the light-emitting layer, a power supply layer arranged above the color-changing layer in a surrounding mode, and a control circuit arranged on the second surface of the substrate;
the power supply layer is used for supplying power to the luminous layer and the color changing layer;
the control circuit is electrically connected with the control end of the power supply layer and is used for controlling the voltage value output to the color-changing layer and the light-emitting layer.
2. The display module of claim 1, wherein the light emitting layer is formed by a plurality of micro-LED light emitting tubes, and the array is disposed on the first surface of the substrate and electrically connected to the power supply layer.
3. The display module according to claim 2, wherein the color changing layer comprises a plurality of electro-color changing blocks, and the plurality of electro-color changing blocks are correspondingly covered on the plurality of micro-LED luminous tubes.
4. A display module according to claim 3, wherein every third electrochromic cell constitutes a pixel, and a plurality of said pixels are arranged in an array on said substrate.
5. The display module of claim 4, wherein the electro-chromic blocks forming the pixel points are sequentially covered by blue-color-changing blocks, red-color-changing blocks and green-color-changing blocks on the three micro-LED light-emitting tubes.
6. The display module of claim 1, further comprising a first passivation layer and a second passivation layer;
wherein the first protective layer is disposed above the power supply layer, and the second protective layer is disposed above the control circuit.
7. A display device, comprising: MCU control module, SCU control module, memory cell and a display module according to any one of claims 1 to 6; the MCU control module is used for receiving a video signal of an upper computer, the output end of the MCU control module is electrically connected with the input end of the SCU control module, and the output end of the SCU control module is electrically connected with the control circuit.
8. The display device according to claim 7, wherein the MCU control module comprises a DVI interface, a DVI processing unit and a video processing unit; the DVI interface is used for receiving the video signal of the upper-level connection and transmitting the video signal to the DVI processing unit, and the DVI processing unit converts the video signal into a signal which can be identified by the frequency processing unit.
9. The display device according to claim 8, wherein the SCU control module comprises a light receiving unit and a signal processing unit;
the light receiving unit is used for receiving the light signal of the video processing unit, converting the light signal into an electric signal and sending the electric signal to the signal processing unit, and the signal processing unit generates a control signal according to the electric signal and sends the control signal to the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021436963.3U CN212648247U (en) | 2020-07-20 | 2020-07-20 | Display module and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021436963.3U CN212648247U (en) | 2020-07-20 | 2020-07-20 | Display module and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648247U true CN212648247U (en) | 2021-03-02 |
Family
ID=74763272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021436963.3U Active CN212648247U (en) | 2020-07-20 | 2020-07-20 | Display module and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212648247U (en) |
-
2020
- 2020-07-20 CN CN202021436963.3U patent/CN212648247U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10380930B2 (en) | Heterogeneous light emitter display system | |
| CN1753073B (en) | Light generating device, backlight assembly having the same, and display apparatus having the backlight assembly | |
| US7858994B2 (en) | Solid state light sheet and bare die semiconductor circuits with series connected bare die circuit elements | |
| CN107359175B (en) | Micro light-emitting diode display panel and display device | |
| US10234112B2 (en) | Light source module and lighting device having same | |
| CN111370461B (en) | Display panel and display device | |
| US20090033604A1 (en) | Hybrid Display | |
| CN101268554A (en) | Variable color light emitting device and method for controlling the same | |
| CN111316437A (en) | Display device and method for manufacturing the same | |
| CN108121932A (en) | Organic light-emitting diode (OLED) display screen fingerprint identification device and electronic equipment | |
| CN109389910B (en) | Micro light-emitting diode display panel | |
| CN110190176A (en) | A kind of Micro-LED transparent display module and system | |
| KR102533666B1 (en) | Display panel and display apparatus having the same | |
| US20140312774A1 (en) | Light-emitting diode and method of producing a light-emitting diode | |
| CN113471181A (en) | Light-emitting module, preparation method thereof, display module and backlight module | |
| CN111338127A (en) | Display module and display device | |
| TW201904049A (en) | Method for manufacturing micro light emitting diode display module | |
| CN212648247U (en) | Display module and device | |
| US10276756B2 (en) | LED display panel | |
| CN112802942A (en) | Display panel, preparation method and display device | |
| CN101165567A (en) | Backlight system and liquid crystal display | |
| KR20220051195A (en) | Flat panel device electrode structure | |
| CN113130458A (en) | Light-emitting unit, backlight structure, display panel and manufacturing method of light-emitting source | |
| CN111668250A (en) | Display module and device | |
| CN207082534U (en) | A kind of organic EL display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |