CN112054049A - OLED display panel and display device - Google Patents
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- 239000000758 substrate Substances 0.000 claims abstract description 197
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- 230000010354 integration Effects 0.000 abstract description 4
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- 238000004891 communication Methods 0.000 description 7
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- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical group [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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Abstract
The invention discloses an OLED display panel and a display device, wherein the OLED display panel comprises a first substrate and a second substrate which are oppositely arranged, one of the first substrate and the second substrate is a substrate, the other substrate is a transparent substrate, and an antenna structure is arranged between the first substrate and the second substrate. The display device comprises the OLED display panel. The antenna structure is integrated in the OLED display panel, so that the clear space of the display device can be effectively saved, more space is saved for hardware such as batteries and sound production, and the integration level in the display device is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to an OLED display panel and a display device.
Background
The fifth generation mobile communication technology (5G) is the latest generation cellular mobile communication technology, and is an extension following 4G (LTE-A, WiMax), 3G (UMTS, LTE), and 2G (gsm) systems. The 5G communication technology is a mobile communication mode that is mainly developed in the coming years, and an Organic Light-Emitting Diode (OLED) is also one of the display technologies that are mainly developed accordingly.
Since the 5G communication uses a millimeter-wave band, there are problems that the millimeter wave is more susceptible to peripheral objects than microwaves and the installation location of the antenna is limited, and since the linearity of the millimeter-wave radio wave is high, if it is desired to secure a communication environment better than that of the conventional one, the number of antennas to be installed needs to be increased. Therefore, the number of antennas of the terminal device in the 5G network era is multiplied.
MIMO (multiple antennas) is a 5G key technology, multiple transmission and multiple reception are realized through multiple antennas, a channel path is expanded, and the transmission rate is improved. Taking a mobile phone as an example of a terminal device, a 4 × 4MIMO antenna is already available in a 4G flagship mobile phone, the number of 5G mobile phone Massive MIMO (large-scale antenna technology) array antennas is increased, and for downward compatibility, the 4G antennas are still reserved, so that the internal clear space of the terminal device is more tense, and the requirement on the system integration level is increased. At present, 5G communication requires terminal equipment to make more space for an antenna and a battery, and expand more interactive functions and application scenes for users, and the internal space of the terminal equipment is extremely limited.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide an OLED display panel and a display device.
In a first aspect, the present invention provides an OLED display panel, including a first substrate and a second substrate that are disposed opposite to each other, where one of the first substrate and the second substrate is a substrate, and the other is a transparent substrate, and an antenna structure is disposed between the first substrate and the second substrate.
Optionally, a display device layer is further disposed between the first substrate and the second substrate, the display device layer has a plurality of pixel units arranged in an array, each pixel unit includes a plurality of sub-pixels with different colors, and an isolation column is disposed between adjacent sub-pixels;
each sub-pixel comprises an anode layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode layer which are sequentially stacked in the direction from the first substrate to the second substrate, wherein one of the anode layer and the cathode layer is multiplexed as an antenna layer;
the antenna structure includes an antenna layer in each of the sub-pixels.
Optionally, the antenna layer comprises an antenna in the shape of a disc.
Optionally, the display panel has a display area and a non-display area surrounding the display area, a display device layer is further disposed between the first substrate and the second substrate, the display device layer is located in the display area, the display device layer has a plurality of pixel units arranged in an array, each pixel unit includes a plurality of sub-pixels with different colors, and an isolation pillar is disposed between adjacent sub-pixels;
the antenna structure is arranged between the display device layer and the second substrate, and the orthographic projection of the antenna structure, which is vertical to the first substrate, is positioned in the orthographic projection area of the isolation column, which is vertical to the first substrate; and/or the orthographic projection of the antenna structure perpendicular to the first substrate is positioned in the non-display area.
Optionally, each of the sub-pixels includes an anode layer, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode layer, which are sequentially stacked in a direction from the first substrate to the second substrate;
the first substrate is a substrate, the second substrate is a transparent substrate, and an anti-reflection layer is arranged between the antenna structure and the second substrate; or,
the first substrate is a transparent substrate, the second substrate is a substrate, and an anti-reflection layer is further arranged between the antenna structure and the cathode layer.
Optionally, the display panel has a display area and a non-display area surrounding the display area, a display device layer is further disposed between the first substrate and the second substrate, the display device layer is located in the display area, the display device layer has a plurality of pixel units arranged in an array, each pixel unit includes a plurality of sub-pixels with different colors, and an isolation pillar is disposed between adjacent sub-pixels;
the antenna structure is arranged between the display device layer and the first substrate, and the orthographic projection of the antenna structure, which is vertical to the first substrate, is positioned in the orthographic projection area of the isolation column, which is vertical to the first substrate; and/or the orthographic projection of the antenna structure perpendicular to the first substrate is positioned in the non-display area.
Optionally, each of the sub-pixels includes an anode layer, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode layer, which are sequentially stacked in a direction from the first substrate to the second substrate;
the first substrate is a substrate, the second substrate is a transparent substrate, and an anti-reflection layer is arranged between the antenna structure and the anode layer; or,
the antenna structure comprises a first substrate, a second substrate and an anti-reflection layer, wherein the first substrate is a transparent substrate, the second substrate is a substrate, and the anti-reflection layer is arranged between the antenna structure and the first substrate.
Optionally, the antenna structure includes a plurality of antennas, and the plurality of antennas in the antenna structure correspond to the plurality of sub-pixels in the display device layer one to one.
Optionally, the antenna is in a disc-like structure.
In a second aspect, the present invention further provides a display device, including the OLED display panel.
According to the scheme, the antenna structure is integrated in the OLED display panel, for example, the anode electrode or the cathode electrode of the pixel unit is reused as the antenna layer, or the antenna structure is arranged between the display device layer and the first substrate, or the antenna structure is arranged between the display device layer and the second substrate, so that the clear space of the display device can be effectively saved, more space is saved for hardware such as batteries and sound production, and the integration level inside the display device is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural diagram of an OLED display panel according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an antenna layer according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an OLED display panel according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of an OLED display panel according to a third embodiment of the present invention;
fig. 5 is a schematic top view illustrating an OLED display panel according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of an OLED display panel according to a fourth embodiment of the present invention;
fig. 7 is a system diagram of a display device according to a fifth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Under the condition of rapid development of 5G communication, the OLED display technology also becomes one of the display technologies that are important to be developed, and the multi-antenna technology becomes the key of the development of the OLED display technology, so how to arrange the hardware such as an antenna, a battery, a sound production and the like in the display device has a high requirement on the integration level inside the display device.
The embodiment of the invention provides an OLED display panel, which comprises a first substrate and a second substrate which are oppositely arranged, wherein one of the first substrate and the second substrate is a substrate, the other substrate is a transparent substrate, and an antenna structure is arranged between the first substrate and the second substrate; the antenna structure comprises a first substrate, a second substrate, a display device layer and a plurality of antenna structures, wherein the display device layer is arranged between the first substrate and the second substrate and is provided with a plurality of pixel units which are arranged in an array mode, each pixel unit comprises a plurality of sub-pixels with different colors, an isolation column is arranged between every two adjacent sub-pixels, and a non-display area is arranged on the periphery of the display panel. Therefore, the antenna structure is arranged in the OLED display panel, the internal space of the display device can be effectively saved, and more space is reserved for other hardware such as a battery and a sound production.
As shown in fig. 1, a first embodiment of the present invention provides an OLED display panel, which includes a first substrate 11 and a second substrate 12 disposed opposite to each other, one of the first substrate 11 and the second substrate 12 is a substrate, the other is a transparent substrate, and an antenna structure is disposed between the first substrate 11 and the second substrate 12; a display device layer 13 is further arranged between the first substrate 11 and the second substrate 12, the display device layer 13 is provided with a plurality of pixel units which are arranged in an array mode, each pixel unit comprises a plurality of sub-pixels with different colors, and an isolation column 14 is arranged between every two adjacent sub-pixels; each sub-pixel comprises an anode layer 131, a hole transport layer 132, a light emitting layer 133, an electron transport layer 134 and a cathode layer 135 which are sequentially stacked in the direction from the first substrate 11 to the second substrate 12, wherein the anode layer 131 is multiplexed as an antenna layer; the antenna structure includes an antenna layer in each sub-pixel.
In the pixel unit of the OLED display panel provided in this embodiment, taking sub-pixels with three different colors as an example, referring to fig. 1, one pixel unit includes red sub-pixels, green sub-pixels, and blue sub-pixels arranged in an array from left to right, the light emitting layers of the sub-pixels are different in color, and the isolation pillars 14 can prevent cross color between the sub-pixels with different colors. Of course, the pixel unit may also include four sub-pixels with different colors, such as red, green, blue, and white sub-pixels with different colors.
The anode layer 131 is reused as an antenna layer, that is, the antenna structure is disposed in the OLED display panel, so that the internal space of the display device can be effectively saved, and more space is made for other hardware such as a battery and a sound generator. In this embodiment, the anode layer has functions of metal electrodes and receiving signals, and may be implemented in a time division multiplexing manner.
As shown in fig. 2, as an alternative embodiment, the anode layer 131 is a disk-shaped metal structure, that is, the antenna layer includes an antenna in a disk shape, the structure is simple, and the anode layer can be flat. Of course, the form of the antenna is not limited to a disk shape, and may be designed in a grid shape or other forms.
In this embodiment, it is preferable that the first substrate 11 is a substrate, the second substrate 12 is a transparent substrate, and the cathode layer is a semitransparent electrode, that is, the OLED is a top emission structure, so that the light emitting efficiency, the color saturation, the brightness, the color gamut, and the service life are all good. Of course, the first substrate 11 may also be a transparent substrate, the second substrate 12 may also be a substrate structure, and the anode layer (i.e. the antenna layer) is a transparent electrode, that is, the OLED is a bottom emission structure, and the light emitting efficiency, the color saturation, the brightness, the color gamut, the service life, and the like of the OLED are all lower than those of the top emission structure.
As shown in fig. 3, the overall structure of the OLED display panel according to the second embodiment of the present invention can refer to the OLED display panel according to the first embodiment, which is not repeated herein. Unlike the first embodiment, the second embodiment provides an OLED display panel in which the cathode layer 135 is multiplexed as an antenna layer. The antenna structure is arranged in the OLED display panel, so that the internal space of the display device can be effectively saved, and more space is reserved for other hardware such as a battery and a sound generator.
As shown in fig. 4, a third embodiment of the present invention provides an OLED display panel, which has a display area and a non-display area surrounding the display area, the display panel includes a first substrate 11 and a second substrate 12 disposed opposite to each other, one of the first substrate 11 and the second substrate 12 is a substrate, the other is a transparent substrate, and an antenna structure 15 is disposed between the first substrate 11 and the second substrate 12; a display device layer 13 is further arranged between the first substrate 11 and the second substrate 12, the display device layer 13 is located in a display area, the display device layer 13 is provided with a plurality of pixel units which are arranged in an array mode, each pixel unit comprises a plurality of sub-pixels with different colors, and an isolation column 14 is arranged between every two adjacent sub-pixels; the antenna structure 15 is arranged between the display device layer 13 and the second substrate 12.
Referring to fig. 5, the orthogonal projection of the antenna structure 15 perpendicular to the first substrate 11 is located in the orthogonal projection region of the isolation pillar 14 perpendicular to the first substrate 11 and in the aforementioned non-display region. That is, the antenna structure is disposed at the gap between the sub-pixels and the periphery of the display panel, and the display panel is ensured to emit light while the antenna structure is integrated within the display panel. In addition, the orthogonal projection of the antenna structure perpendicular to the first substrate 11 is located in the non-display area; or, the orthographic projection of the antenna structure perpendicular to the first substrate 11 is positioned in the non-display area, so that the antenna structure is integrated in the display panel, and the display panel can emit light.
Each sub-pixel comprises an anode layer 131, a hole transport layer 132, a light emitting layer 133, an electron transport layer 134 and a cathode layer 135 which are sequentially stacked in the direction from the first substrate 11 to the second substrate 12; the first substrate 11 is a substrate, the second substrate 12 is a transparent substrate, that is, the OLED is a top emission structure, and the anti-reflection layer 16 is further disposed between the antenna structure and the second substrate 12, referring to fig. 4, the influence of reflection of light of the antenna structure on the display quality is reduced by the anti-reflection layer.
Alternatively, the first substrate 11 may be a transparent substrate, the second substrate 12 may be a substrate, that is, the OLED is a bottom emission structure, and an anti-reflection layer is further disposed between the antenna structure and the cathode layer, so that the influence of reflection of light of the antenna structure on the display quality is reduced through the anti-reflection layer.
In this embodiment, the antenna structure 15 includes a plurality of antennas, and the plurality of antennas in the antenna structure correspond to the plurality of sub-pixels in the display device layer 13 one by one, so that a signal of each antenna corresponds to one sub-pixel.
The antenna is of a disc-shaped structure, is simple in structure and facilitates design of the OLED display panel. Of course, the antenna may be designed in other forms, such as a grid pattern.
As shown in fig. 6, a fourth embodiment of the present invention provides an OLED display panel, which has a display area and a non-display area surrounding the display area, the display panel includes a first substrate 11 and a second substrate 12 disposed opposite to each other, one of the first substrate 11 and the second substrate 12 is a substrate, the other is a transparent substrate, and an antenna structure 15 is disposed between the first substrate 11 and the second substrate 12; a display device layer 13 is further arranged between the first substrate 11 and the second substrate 12, the display device layer 13 is located in a display area, the display device layer 13 is provided with a plurality of pixel units which are arranged in an array mode, each pixel unit comprises a plurality of sub-pixels with different colors, and an isolation column 14 is arranged between every two adjacent sub-pixels; the antenna structure 15 is arranged between the display device layer 13 and the first substrate 11.
Referring to the third embodiment, the orthogonal projection of the antenna structure 15 of the OLED display panel provided by the fourth embodiment, which is perpendicular to the first substrate 11, is located in the orthogonal projection region of the isolation pillar 14, which is perpendicular to the first substrate 11, and in the aforementioned non-display region. That is, the antenna structure is disposed at the gap between the sub-pixels and the periphery of the display panel, and the display panel is ensured to emit light while the antenna structure is integrated within the display panel. In addition, the orthogonal projection of the antenna structure perpendicular to the first substrate 11 is located in the non-display area; or, the orthographic projection of the antenna structure perpendicular to the first substrate 11 is positioned in the non-display area, so that the antenna structure is integrated in the display panel, and the display panel can emit light.
Each sub-pixel comprises an anode layer 131, a hole transport layer 132, a light emitting layer 133, an electron transport layer 134 and a cathode layer 135 which are sequentially stacked in the direction from the first substrate 11 to the second substrate 12; the first substrate 11 is a substrate, the second substrate 12 is a transparent substrate, that is, the OLED is a top emission structure, the first substrate 11 is a substrate, the second substrate 12 is a transparent substrate, and an anti-reflection layer 16 is further disposed between the antenna structure 15 and the anode layer 131, referring to fig. 6, the effect of reflection of light of the antenna structure on the display quality is reduced by the anti-reflection layer 16.
Or, the first substrate 11 may be a transparent substrate, the second substrate 12 is a substrate, that is, the OLED is a bottom emission structure, and an anti-reflection layer is further disposed between the antenna structure and the first substrate 11, so that the influence of light reflection of the antenna structure on the display quality is reduced through the anti-reflection layer.
In this embodiment, the antenna structure 15 includes a plurality of antennas, and the plurality of antennas in the antenna structure correspond to the plurality of sub-pixels in the display device layer 13 one by one, so that a signal of each antenna corresponds to one sub-pixel.
The antenna is of a disc-shaped structure, is simple in structure and facilitates design of the OLED display panel. Of course, the antenna may be designed in other forms, such as a grid pattern.
In one or more embodiments, the transparent substrate is a glass substrate, and the anti-reflection layer is preferably molybdenum oxide.
The antenna provided in the OLED display panel provided in any of the above embodiments is, for example, a 5G antenna, and with the development of communication technology, may also be a 6G antenna or an antenna with a higher communication rate.
A fifth embodiment of the present invention further provides a display device including the OLED display panel in any one of the above embodiments. Referring to fig. 7, the display device is provided with a signal processing module connected to an antenna structure in the OLED display panel in addition to the OLED display panel, and the signal processing module includes a tuning unit 17, an image and sound processing unit 18, a timing unit 19, a data driving unit 20, and the like.
The antenna structure in the OLED display panel receives signals and sends the signals to the tuning unit 17, the tuning unit 17 searches signals with specific frequency from the received signals and sends the signals to the image and sound processing unit 18, the image and sound processing unit 18 carries out audio and video decoding on the signals searched by the tuning unit 17 to obtain decoding results and sends the decoding results to the timing unit 19, the timing unit sends the decoded signals to the data driving unit 20 according to certain timing pulses, the data driving unit provides the data signals 20 to data lines of the OLED display panel, and a plurality of sub-pixels of the OLED display panel display the video and the audio based on the signals received from the data driving unit 20.
The foregoing description is only exemplary of the preferred embodiments of the invention and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is possible without departing from the inventive concept. For example, the above features and (but not limited to) features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (10)
1. The OLED display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein one of the first substrate and the second substrate is a substrate, and the other substrate is a transparent substrate.
2. The OLED display panel according to claim 1, wherein a display device layer is further disposed between the first substrate and the second substrate, the display device layer has a plurality of pixel units arranged in an array, each pixel unit includes a plurality of sub-pixels with different colors, and an isolation pillar is disposed between adjacent sub-pixels;
each sub-pixel comprises an anode layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode layer which are sequentially stacked in the direction from the first substrate to the second substrate, wherein one of the anode layer and the cathode layer is multiplexed as an antenna layer;
the antenna structure includes an antenna layer in each of the sub-pixels.
3. The OLED display panel of claim 2, wherein the antenna layer comprises an antenna in the shape of a disk.
4. The OLED display panel according to claim 1, wherein the display panel has a display area and a non-display area surrounding the display area, a display device layer is further disposed between the first substrate and the second substrate, the display device layer is located in the display area, the display device layer has a plurality of pixel units arranged in an array, each pixel unit includes a plurality of sub-pixels with different colors, and an isolation pillar is disposed between adjacent sub-pixels;
the antenna structure is arranged between the display device layer and the second substrate, and the orthographic projection of the antenna structure, which is vertical to the first substrate, is positioned in the orthographic projection area of the isolation column, which is vertical to the first substrate; and/or the orthographic projection of the antenna structure perpendicular to the first substrate is positioned in the non-display area.
5. The OLED display panel of claim 4, wherein each of the sub-pixels comprises an anode layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode layer sequentially stacked in a direction from the first substrate to the second substrate;
the first substrate is a substrate, the second substrate is a transparent substrate, and an anti-reflection layer is arranged between the antenna structure and the second substrate; or,
the first substrate is a transparent substrate, the second substrate is a substrate, and an anti-reflection layer is further arranged between the antenna structure and the cathode layer.
6. The OLED display panel according to claim 1, wherein the display panel has a display area and a non-display area surrounding the display area, a display device layer is further disposed between the first substrate and the second substrate, the display device layer is located in the display area, the display device layer has a plurality of pixel units arranged in an array, each pixel unit includes a plurality of sub-pixels with different colors, and an isolation pillar is disposed between adjacent sub-pixels;
the antenna structure is arranged between the display device layer and the first substrate, and the orthographic projection of the antenna structure, which is vertical to the first substrate, is positioned in the orthographic projection area of the isolation column, which is vertical to the first substrate; and/or the orthographic projection of the antenna structure perpendicular to the first substrate is positioned in the non-display area.
7. The OLED display panel of claim 6, wherein each of the sub-pixels comprises an anode layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode layer sequentially stacked in a direction from the first substrate to the second substrate;
the first substrate is a substrate, the second substrate is a transparent substrate, and an anti-reflection layer is arranged between the antenna structure and the anode layer; or,
the antenna structure comprises a first substrate, a second substrate and an anti-reflection layer, wherein the first substrate is a transparent substrate, the second substrate is a substrate, and the anti-reflection layer is arranged between the antenna structure and the first substrate.
8. The OLED display panel of any one of claims 4-7, wherein the antenna structure comprises a plurality of antennas, the plurality of antennas in the antenna structure corresponding one-to-one to the plurality of sub-pixels in the display device layer.
9. The OLED display panel of claim 8, wherein the antenna is in a disk-like structure.
10. A display device comprising the OLED display panel according to any one of claims 1 to 9.
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| CN113078143A (en) * | 2021-03-25 | 2021-07-06 | 维沃移动通信有限公司 | Display device, driving control method and device thereof, and electronic device |
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| CN107667428A (en) * | 2015-05-27 | 2018-02-06 | 三星电子株式会社 | Display device |
| JP2018064211A (en) * | 2016-10-13 | 2018-04-19 | 株式会社半導体エネルギー研究所 | Decoder, receiving device, and electronic equipment |
| US20180109835A1 (en) * | 2016-10-14 | 2018-04-19 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, broadcasting system, and electronic device |
| US20200241671A1 (en) * | 2017-04-13 | 2020-07-30 | Boe Technology Group Co., Ltd. | A display substrate, a display apparatus, and a method for operating the display apparatus |
| WO2020010912A1 (en) * | 2018-07-10 | 2020-01-16 | Oppo广东移动通信有限公司 | Electronic device |
| CN109950294A (en) * | 2019-04-10 | 2019-06-28 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN111427208A (en) * | 2020-03-31 | 2020-07-17 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN111477123A (en) * | 2020-04-29 | 2020-07-31 | 厦门天马微电子有限公司 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113078143A (en) * | 2021-03-25 | 2021-07-06 | 维沃移动通信有限公司 | Display device, driving control method and device thereof, and electronic device |
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