CN211265482U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN211265482U CN211265482U CN202020226169.XU CN202020226169U CN211265482U CN 211265482 U CN211265482 U CN 211265482U CN 202020226169 U CN202020226169 U CN 202020226169U CN 211265482 U CN211265482 U CN 211265482U
- Authority
- CN
- China
- Prior art keywords
- display panel
- photoelectric
- driving circuit
- substrate
- light emitting
- 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
Abstract
The embodiment of the utility model discloses display panel and display device. The display panel comprises a substrate, a plurality of light emitting units and a plurality of photoelectric devices, wherein the plurality of light emitting units and the plurality of photoelectric devices are arranged on the substrate; the vertical projection of the photoelectric devices on the substrate surrounds the vertical projection of the light-emitting unit on the substrate, and the edges of two adjacent photoelectric devices are butted; the photoelectric device converts the received optical signal into an electric signal to supply power to the display panel, or receives the reflected light reflected by the human body to the photoelectric device to realize at least one of fingerprint identification and sign detection. According to the technical scheme, the self-generating function, the fingerprint identification function and the sign detection function are integrated to the display panel, the space of the display panel is utilized to the maximum degree, the photoelectric conversion efficiency is improved, the standby time of the display panel is prolonged, the practicability and the versatility of the display device are increased, and the use value of the display panel is improved.
Description
Technical Field
The embodiment of the utility model provides a relate to and show technical field, especially relate to a display panel and display device.
Background
At present, intelligent terminal has great demand in market, and meanwhile, people also more and more have to intelligent terminal's functional requirement, and increase multi-functional integration design can increase equipment size, is not conform to terminal equipment frivolous characteristics such as current cell-phone or intelligent wearing equipment. The display panel power consumption of intelligent terminal equipment among the prior art is also higher, and battery power can't satisfy display panel long-term use, needs often to charge, and this has caused very big inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a display panel and display device to the while is integrated from electricity generation, fingerprint identification and sign detection function to display panel in, promotes photoelectric conversion efficiency, prolongs display panel's stand-by time, increases display device's practicality and multifunctionality, improves display panel's use value.
In a first aspect, an embodiment of the present invention provides a display panel, including a substrate, and a plurality of light emitting units and a plurality of photoelectric devices disposed on the substrate;
the vertical projection of the photoelectric devices on the substrate surrounds the vertical projection of the light-emitting unit on the substrate, and the edges of two adjacent photoelectric devices are butted;
the photoelectric device converts the received optical signal into an electric signal to supply power to the display panel, or receives reflected light reflected to the photoelectric device by a human body to realize at least one of fingerprint identification and sign detection.
Optionally, the display device further comprises a driving circuit disposed on the substrate, and a vertical projection of the photoelectric device on the substrate surrounds a vertical projection of the light emitting unit and the driving circuit on the substrate.
Optionally, the driving circuit includes a first driving circuit and a second driving circuit, the first driving circuit is connected with the light emitting unit, and the second driving circuit is connected with the photoelectric device.
Optionally, the film layer of the optoelectronic device is disposed in the same layer as at least a portion of the film layer of the light emitting unit.
Optionally, the optoelectronic device further comprises a driving circuit disposed on the substrate, and the film layer of the optoelectronic device is disposed in the same layer as at least part of the film layer of the driving circuit.
Optionally, the optoelectronic device comprises at least one of an organic optoelectronic device, a silicon-based optoelectronic device, and a thin film optoelectronic device.
In a second aspect, the present invention further provides a display device, including the display panel according to the first aspect.
Optionally, the display device further includes a driving chip, and a plurality of first signal lines electrically connected to the driving chip and extending in a first direction and a plurality of second signal lines extending in a direction perpendicular to the first direction;
the first signal line is electrically connected with the corresponding photoelectric device through a plurality of switches, the second signal line is electrically connected with the corresponding photoelectric device through a plurality of switches, and the driving chip controls the photoelectric device to work.
Optionally, the system further comprises a data conversion module and a data processing module, wherein the data conversion module is electrically connected with the data processing module;
the data conversion module converts the received reflected light signal of the photoelectric device into a digital reflected signal and then sends the digital reflected signal to the data processing module, and the data processing module generates at least one of sign detection data and fingerprint identification data according to the received digital reflected signal.
The embodiment of the utility model provides a display panel and display device, this display panel include the basement to and set up a plurality of luminescence unit and a plurality of photoelectric device above the basement, the vertical projection of photoelectric device on the basement surrounds the vertical projection of luminescence unit on the basement, and the edge of two adjacent photoelectric device docks mutually, utilizes photoelectric device for the display panel power supply, and can also multiplex at least one function in photoelectric device realization fingerprint identification and sign are surveyed. The technical scheme of this embodiment, it is big to have alleviated display panel power consumption among the prior art, can't use for a long time to and integrate multiple function to the technical problem that intelligent terminal increases the equipment volume, realized that integration is from generating electricity simultaneously, fingerprint identification and sign detect function to display panel in, the maximize has utilized display panel's space, promoted photoelectric conversion efficiency, display panel's stand-by time has been prolonged, display device's practicality and multifunctionality have been increased, display panel's use value has been improved.
Drawings
Fig. 1 is a schematic top view of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a partial cross-sectional structure of a display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a display panel for fingerprint identification according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a display panel for detecting signs according to an embodiment of the present invention;
fig. 5 is a schematic top view of another display panel according to an embodiment of the present invention;
fig. 6 is a schematic partial cross-sectional view of another display panel according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a film structure of a display panel according to an embodiment of the present invention;
fig. 8 is a schematic partial cross-sectional view of another display panel according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of another display device according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of another display device according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of another display device according to an 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 invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic top view of a display panel according to an embodiment of the present invention; fig. 2 is a schematic cross-sectional view of a portion of a display panel according to an embodiment of the present invention, and fig. 2 shows a cross-sectional view of a portion of an area 10a after the display panel 10 shown in fig. 1 is cut along a straight line L. The display panel 10 can be applied to an intelligent terminal device, such as a mobile phone, an intelligent wearable device such as a smart watch, and the like. Referring to fig. 1 and 2, the display panel 10 includes: a substrate 1, and a plurality of light emitting cells 2 and a plurality of photoelectric devices 3 disposed on the substrate 1; the vertical projection of the photoelectric devices 3 on the substrate 1 surrounds the vertical projection of the light-emitting unit 2 on the substrate 1, and the edges of two adjacent photoelectric devices 3 are butted; the photoelectric device 3 converts the received optical signal into an electrical signal to supply power to the display panel 10, or receives the reflected light reflected by the human body to the photoelectric device 3 to realize at least one of fingerprint identification and sign detection.
Specifically, referring to fig. 2, the light emitting unit 2 may be an organic light emitting unit 2 including a light emitting function, but is not limited thereto, and may be implemented in various forms, for example, a liquid crystal display device, an electrophoretic display device, an electrowetting display device, and the like. In this embodiment, it is described that the light emitting unit 2 is an organic light emitting unit 2 as an example, the light emitting unit 2 can constitute a pixel unit of the display panel 1010 for displaying an image, the light emitting unit 2 may specifically include an organic light emitting unit 2 for emitting white light and/or colored light, and has an anode layer, a cathode layer, and a light emitting functional layer disposed between the anode layer and the cathode layer, and the thin film transistor is connected to the driving circuit through the cathode layer or the anode layer, and after receiving the driving current, the pixel unit is enabled to emit red light, green light, or blue light through the light emitting functional layer of each light emitting unit 2.
The photoelectric device 3 is a device that converts light energy into electric energy based on a photoelectric effect, such as a photoelectric converter or a photosensor. When sunlight irradiates the surface of the display panel 10, light is incident on the photoelectric device 3, and the photoelectric device 3 can convert light energy of the incident light into electric energy and output the electric energy, and the electric energy flows into a cell of a display device, so that power is supplied to the display panel 10. The photoelectric device 3 is a surrounding type photoelectric device, the region where the photoelectric device 3 is located is arranged around the region corresponding to the light emitting unit 2, and the edges of two adjacent photoelectric devices 3 are butted, so that the space between every two adjacent light emitting units 2 on the display panel 10 can be utilized to the maximum extent, the area of the photoelectric device 3 is maximized, and the photoelectric conversion performance of the photoelectric device 3 is effectively improved. Meanwhile, the photoelectric device 3 is integrated in the display panel 10, so that a large-capacity display device battery can be prevented from being additionally arranged, the space of the display device is saved while extra electric energy is provided for the display panel 10, the service time of the display device is prolonged, and the performance of the display device is improved.
Fig. 3 is a schematic structural diagram of a display panel for fingerprint identification according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a display panel for detecting signs provided by the embodiment of the present invention. The photoelectric device can realize the solar power generation function under sunlight, and in addition, can also be used for realizing fingerprint identification or sign detection, exemplarily, as shown in fig. 3, when a finger 20a of a human body approaches the display panel, the light-emitting unit 2 can be controlled to emit light, and the photoelectric device 3 can detect the reflected light of the fingerprint surface on the display panel, so as to identify the fingerprint information. As shown in fig. 4, if the human body 20b approaches the display panel, the light emitting unit 2 can be controlled to continuously emit light (e.g. green light) with a corresponding wavelength outwards, and at the same time, the photoelectric device 3 continuously receives the light reflected from the blood in the human body 20 to the photoelectric device 3, so as to detect information such as blood pulse rate (heart rate) or blood volume (cardiac output), and the like, and the real-time detection of the vital signs can be realized by photoplethysmography by detecting the flow of blood after the light emitted from the display panel enters the skin of the human body. When fingerprint identification or sign detection is needed, the photoelectric device 3 is multiplexed, a new function is added to the display device, other devices do not need to be additionally arranged, and the space of the display device is further saved.
The embodiment of the utility model provides a display panel, including the basement to and set up a plurality of luminescence unit and a plurality of photoelectric device above the basement, the vertical projection of photoelectric device on the basement encircles the vertical projection of luminescence unit on the basement, and the edge of two adjacent photoelectric devices docks mutually, utilizes photoelectric device for the display panel power supply, and can also multiplex photoelectric device and realize at least one function in fingerprint identification and the sign are surveyed. The technical scheme of this embodiment, it is big to have alleviated display panel power consumption among the prior art, can't use for a long time to and integrate multiple function to the technical problem that intelligent terminal increases the equipment volume, realized that integration is from generating electricity simultaneously, fingerprint identification and sign detect function to display panel in, the maximize has utilized display panel's space, promoted photoelectric conversion efficiency, display panel's stand-by time has been prolonged, display device's practicality and multifunctionality have been increased, display panel's use value has been improved.
Fig. 5 is a schematic top view of another display panel according to an embodiment of the present invention. As shown in fig. 5, the display panel 10 optionally further includes a driving circuit 5 disposed on the substrate 1, and the vertical projection of the optoelectronic device 3 on the substrate 1 surrounds the vertical projection of the light emitting unit 2 and the driving circuit 5 on the substrate 1. Specifically, the driving circuit 5 may include a pixel driving circuit formed by thin film transistors, for example, the driving circuit 5 includes a circuit such as 2T1C or 7T1C for driving the light emitting unit 2 to operate, the driving circuit 5 may further include a thin film transistor connected to the optoelectronic device 3, and a driving circuit in a display device configured with the display panel 10, for example, a scan driving circuit, may control on or off of the thin film transistor, so as to control transmission of an electrical signal in the optoelectronic device 3, enable the optoelectronic device 3 to implement photovoltaic power generation, fingerprint identification or sign detection, and switch a currently applied function of the optoelectronic device 3. A wrap-around type of the optoelectronic device 3 may be provided to surround the corresponding areas of the light emitting unit 2 and the driving circuit 5, so that the connection between the optoelectronic device 3 and the driving circuit 5 facilitates the control of the optoelectronic device 3 by the driving circuit 5.
Fig. 6 is a schematic partial cross-sectional structure diagram of another display panel according to an embodiment of the present invention, and fig. 6 shows another cross-sectional structure of a portion of the area 10a after the display panel 10 shown in fig. 1 is cut along a straight line L. As shown in fig. 6, alternatively, on the basis of the above technical solution, the driving circuit 5 includes a first driving circuit 51 and a second driving circuit 52, the first driving circuit 51 is connected with the light emitting unit 2, and the second driving circuit 52 is connected with the photoelectric device 3. The display panel further includes an insulating layer 6, the insulating layer 6 may be a planarization layer, through holes may be formed in the insulating layer 6, and the first driving circuit 51 and the light emitting unit 2 in the upper and lower film layers of the insulating layer 6 and the second driving circuit 52 and the optoelectronic device 3 are connected, the first driving circuit 51 is respectively disposed in the driving circuit 5 for driving the light emitting unit 2, the second driving circuit 52 is disposed for driving the optoelectronic device 3, so as to respectively control the operating states of the light emitting unit 2 and the optoelectronic device 3, and the operating state of the optoelectronic device 3 is controlled by the second driving circuit 52, so as to switch and drive the optoelectronic device 3 to be in the fingerprint identification or sign detection mode.
Fig. 7 is a schematic cross-sectional structure diagram of a display panel according to an embodiment of the present invention. With reference to fig. 6 and 7, the display panel includes a first driving circuit 51 and a second driving circuit 52 formed on a substrate 1, the first driving circuit 51 may be a pixel driving circuit formed by thin film transistors 50, such as a circuit 2T1C (two thin film transistors and a capacitor) or 7T1C (seven thin film transistors and a capacitor), the second driving circuit 52 may include a switch formed by the thin film transistors 50, and the thin film transistors 50 are formed on the substrate 1. The thin film transistor 50 may include a gate electrode 501, a gate insulating layer 502, an active layer 503, a source electrode 504, and a drain electrode 505. The thin film transistor 50 may be a thin film transistor with a bottom gate structure, or may be a thin film transistor with a top gate structure, and the thin film transistor 50 is schematically illustrated as a thin film transistor with a bottom gate structure in this embodiment. The display panel further includes a planarization layer 6 formed on the thin film transistor 50, and a pixel defining layer 25 and a light emitting unit 2 are formed on the planarization layer 6. For example, the light emitting unit 2 includes a first electrode 21, a first auxiliary functional layer 22, a light emitting layer 23, and a second electrode 24, which are sequentially stacked. One of the first electrode 21 and the second electrode 24 may be an anode, the other may be a cathode, the first auxiliary functional layer 22 may be an organic functional layer that enables hole injection/transport, electron injection/transport, or the like, and the light emitting layer 23 may be capable of emitting white light and/or colored light. A plurality of through holes 61 are also formed on the planarization layer 6, and the drain electrode 505 of the thin film transistor 50 is electrically connected to the first electrode 21 of the light emitting unit 2 through the through holes 61. The first driving circuit 51 may supply a driving current to the light emitting unit 2 through the thin film transistor 50 according to a scan signal on a corresponding scan line and a data signal on a data line, so that the light emitting unit 2 emits light.
In conjunction with fig. 6 and 7, optionally, the film layers of the optoelectronic device 3 are disposed in the same layer as at least part of the film layers of the light emitting unit 2. Specifically, a film layer of the photoelectric device 3 may be disposed in the same film layer in the display panel as at least a part of the film layer of the light emitting unit 2, for example, the photoelectric device 3 may be disposed in the same layer as at least a part of the film layers of the first electrode 21, the first auxiliary functional layer 22, the light emitting layer 23, and the second electrode 24 of the light emitting unit 2. The photoelectric device 3 surrounds the light emitting unit 2 and is arranged on the same film layer as far as possible with the light emitting unit 2, the space of the film layer where the light emitting unit 2 is located is utilized to the maximum extent, excessive space of other film layers in the display panel is avoided being occupied by the photoelectric device 3, and the display panel is lighter and thinner.
Fig. 8 is a schematic partial cross-sectional structure diagram of another display panel according to an embodiment of the present invention, and fig. 8 shows another cross-sectional structure of a portion of the area 10a after the display panel 10 shown in fig. 1 is cut along a straight line L. With reference to fig. 7 and 8, optionally, the display panel further includes a driving circuit 5 disposed on the substrate 1, and the film layer of the optoelectronic device 3 is disposed in the same layer as at least a part of the film layer of the driving circuit 5. Illustratively, the optoelectronic device 3 may be disposed in the same layer as at least some of the gate electrode 501, the gate insulating layer 502, the active layer 503, the source electrode 504, and the drain electrode 505 of the thin film transistor 50 in the planarization layer 6 and the driving circuit 5, so as to effectively utilize the film space of the display panel without increasing the thickness of the display panel on the basis of integrating multiple functions on the display panel. In addition, fig. 6 also shows a case where the light emitting unit 2 and the photoelectric device 3 are disposed on different film layers of the display panel, so that the photoelectric device 3 can be prevented from affecting the light emitting performance of the light emitting unit 2.
Fig. 9 is a schematic structural diagram of a display device according to an embodiment of the present invention. Referring to fig. 9, the photoelectric devices 3 may be disposed in the display area 10 of the display panel, and when the driving circuit controls the photoelectric devices 3 to be in a photovoltaic power generation state, incident light of sunlight on the display panel may be converted into electric energy by the photoelectric devices 3 and then stored in the energy storage unit 11, and a battery of the display device may be charged by the charging module 12. Alternatively, the energy storage unit 11 may include an energy storage capacitor, and the charging module 12 may include an electric energy conversion circuit, and the electric energy stored in the energy storage unit 11 is converted into the electric energy required by the display device to be charged. When the drive circuit controls the photoelectric device 3 to perform fingerprint identification or sign detection, the light emitting unit in the display panel can be controlled to provide a corresponding light source for the fingerprint identification or sign detection, and the photoelectric device 3 receives the reflected light of a human body to identify fingerprint information or sign information. Therefore, various functions can be integrated to the display panel, the working state of the photoelectric device 3 is switched according to the current function of the photoelectric device, and the photoelectric device 3 is multiplexed to realize the switching of different functions, so that the space occupied by the structure integrating various different functions in the display panel is reduced.
Fig. 10 is a schematic structural diagram of another display device according to an embodiment of the present invention. Referring to fig. 10, optionally, the display device integrated with the display panel may include a data conversion module 13 and a data processing module 14, the data conversion module 13 and the data processing module 14 are electrically connected, the data conversion module 13 converts the received reflected light signal of the photoelectric device 3 into a digital reflected signal and then transmits the digital reflected signal to the data processing module 14, and the data processing module 14 generates at least one of sign detection data and fingerprint identification data according to the received digital reflected signal. Specifically, when the driving circuit controls the photoelectric device 3 to perform fingerprint identification or sign detection, the data conversion module 13 may convert the human body reflected light analog signal output by the photoelectric device 3 into a corresponding fingerprint identification or sign detection data signal, and the data processing module 14 may identify whether the current fingerprint is matched according to the received fingerprint identification data signal, or generate a sign detection curve according to the received sign detection data signal.
Alternatively, referring to fig. 1-10, the optoelectronic device 3 comprises at least one of an organic optoelectronic device, a silicon-based optoelectronic device, and a thin-film optoelectronic device. Illustratively, materials with light, thin and light-transmitting characteristics, such as an organic photoelectric device, a silicon-based photoelectric device, and a thin-film photoelectric device, may be selected to manufacture the surrounding type photoelectric device shown in fig. 2, so as to improve the photoelectric conversion efficiency, avoid affecting the light-emitting performance of the light-emitting unit 2, and reduce the film thickness of the display panel.
The embodiment of the utility model provides a still provide a display device, fig. 11 is the embodiment of the utility model provides a another kind of display device's schematic structure diagram. Fig. 11 illustrates the setting condition of the display panel 10 in the display device 20, as shown in fig. 11, the display device 20 provided by the embodiment of the present invention includes the display panel 10 according to the above embodiment of the present invention. Fig. 11 illustrates a case that the display device 20 is a mobile phone, and in practical application, the display device 20 may also be other intelligent terminal devices with a display function, including intelligent wearable devices such as a smart watch. The embodiment of the utility model provides a display device includes the utility model discloses above-mentioned embodiment display panel, consequently possess above-mentioned beneficial effect, no longer give unnecessary details here.
Optionally, on the basis of the above technical solution, referring to fig. 10, the display device further includes a data conversion module 13 and a data processing module 14, and the data conversion module 13 and the data processing module 14 are electrically connected; the data conversion module 13 converts the received reflected light signal of the photoelectric device 3 into a digital reflected signal and sends the digital reflected signal to the data processing module 14, and the data processing module 14 generates at least one of sign detection data and fingerprint identification data according to the received digital reflected signal.
Fig. 12 is a schematic structural diagram of another display device according to an embodiment of the present invention. As shown in fig. 12, the display device further includes a driving chip 7, and a plurality of first signal lines D extending in a first direction and a plurality of second signal lines S extending in a direction perpendicular to the first direction, which are electrically connected to the driving chip 7; the first signal line D is electrically connected with the corresponding photoelectric device 3 through a plurality of switches T, the second signal line S is electrically connected with the corresponding photoelectric device 3 through a plurality of switches T, and the driving chip 7 controls the photoelectric device 3 to work. Fig. 12 shows only partial switches T5-T7 connecting the first signal lines D and the photoelectric devices 3 and partial switches T1-T4 connecting the second signal lines S and the photoelectric devices 3, and in practice, each of the first signal lines D may be electrically connected to the corresponding photoelectric device 3 through a plurality of switches T and each of the second signal lines S may be electrically connected to the corresponding photoelectric device 3 through a plurality of switches T.
Specifically, the driving chip 7 includes a data driving circuit 71, the display device further includes a scan driving circuit 72, when the photovoltaic device 3 is required to perform photovoltaic power generation, the data driving circuit 71 and the scan driving circuit 72 may control the number of the series-connected photovoltaic devices 3 in each row in the display area 10 by setting the on or off state of the switch T correspondingly connected to the photovoltaic device 3 to control the output voltage, and set the number of the rows of the parallel-connected photovoltaic devices 3 in the display area 10 by setting the state of the switch T correspondingly connected to the first and last columns of the photovoltaic devices 3 to control the output current, and if the output current of the serial-parallel photovoltaic devices 3 is insufficient, the serial-parallel-connected photovoltaic devices 3 may be connected in parallel with the adjacent whole columns of the serial-parallel-connected photovoltaic devices 3 to increase the. When the driving circuit controls the photoelectric devices 3 to be used for fingerprint identification or sign detection, each photoelectric device 3 is independently connected with the first signal line D and the second signal line S through the switch T, and the data driving circuit 71 and the scanning driving circuit 72 can control the state of the switch T in a time sequence to respectively obtain the reflected light signals of each photoelectric device 3 and output the corresponding reflected light signals to the data conversion module and the data processing module, so that fingerprint identification or sign detection is realized.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. A display panel comprises a substrate, a plurality of light emitting units and a plurality of photoelectric devices, wherein the plurality of light emitting units and the plurality of photoelectric devices are arranged on the substrate;
the vertical projection of the photoelectric devices on the substrate surrounds the vertical projection of the light-emitting unit on the substrate, and the edges of two adjacent photoelectric devices are butted;
the photoelectric device converts the received optical signal into an electric signal to supply power to the display panel, or receives reflected light reflected to the photoelectric device by a human body to realize at least one of fingerprint identification and sign detection.
2. The display panel according to claim 1, further comprising a driving circuit disposed on the substrate, wherein a vertical projection of the optoelectronic device on the substrate surrounds a vertical projection of the light emitting unit and the driving circuit on the substrate.
3. The display panel according to claim 2, wherein the driving circuit comprises a first driving circuit and a second driving circuit, the first driving circuit is connected to the light emitting unit, and the second driving circuit is connected to the photoelectric device.
4. The display panel of claim 1, wherein the film layer of the optoelectronic device is disposed in a same layer as at least a portion of the film layer of the light emitting unit.
5. The display panel of claim 1, further comprising a driving circuit disposed on the substrate, wherein the film of the optoelectronic device is disposed in a same layer as at least a portion of the film of the driving circuit.
6. The display panel of claim 1, wherein the optoelectronic device comprises at least one of an organic optoelectronic device, a silicon-based optoelectronic device, and a thin film optoelectronic device.
7. A display device characterized by comprising the display panel according to any one of claims 1 to 6.
8. The display device according to claim 7, further comprising a driver chip, and a plurality of first signal lines extending in a first direction and a plurality of second signal lines extending in a direction perpendicular to the first direction electrically connected to the driver chip;
the first signal line is electrically connected with the corresponding photoelectric device through a plurality of switches, the second signal line is electrically connected with the corresponding photoelectric device through a plurality of switches, and the driving chip controls the photoelectric device to work.
9. The display device according to claim 8, further comprising a data conversion module and a data processing module, wherein the data conversion module and the data processing module are electrically connected;
the data conversion module converts the received reflected light signal of the photoelectric device into a digital reflected signal and then sends the digital reflected signal to the data processing module, and the data processing module generates at least one of sign detection data and fingerprint identification data according to the received digital reflected signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226169.XU CN211265482U (en) | 2020-02-28 | 2020-02-28 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226169.XU CN211265482U (en) | 2020-02-28 | 2020-02-28 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211265482U true CN211265482U (en) | 2020-08-14 |
Family
ID=71960690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020226169.XU Active CN211265482U (en) | 2020-02-28 | 2020-02-28 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211265482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111967435A (en) * | 2020-09-02 | 2020-11-20 | 深圳芯邦科技股份有限公司 | Biological feature recognition device, information processing method and terminal equipment |
| WO2022068514A1 (en) * | 2020-09-29 | 2022-04-07 | 华为技术有限公司 | Ppg sensor and electronic device |
| US11804063B2 (en) | 2020-08-17 | 2023-10-31 | Au Optronics Corporation | Photosensitive apparatus |
-
2020
- 2020-02-28 CN CN202020226169.XU patent/CN211265482U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11804063B2 (en) | 2020-08-17 | 2023-10-31 | Au Optronics Corporation | Photosensitive apparatus |
| CN111967435A (en) * | 2020-09-02 | 2020-11-20 | 深圳芯邦科技股份有限公司 | Biological feature recognition device, information processing method and terminal equipment |
| CN111967435B (en) * | 2020-09-02 | 2024-03-22 | 深圳芯邦科技股份有限公司 | Biological feature recognition device, information processing method and terminal equipment |
| WO2022068514A1 (en) * | 2020-09-29 | 2022-04-07 | 华为技术有限公司 | Ppg sensor and electronic device |
| CN114361264A (en) * | 2020-09-29 | 2022-04-15 | 华为技术有限公司 | PPG sensor and electronic equipment |
| EP4207311A4 (en) * | 2020-09-29 | 2024-02-14 | Huawei Tech Co Ltd | Ppg sensor and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211265482U (en) | Display panel and display device | |
| US7997752B2 (en) | Lighting device and power supply system for the lighting device | |
| CN107359175B (en) | Micro light-emitting diode display panel and display device | |
| US20220302223A1 (en) | Display panel and display device | |
| US9072146B2 (en) | Light-emitting electric-power generation module and light-emitting electric-power generation device | |
| CN113108956A (en) | Touch sensor and robot | |
| CN106373984A (en) | Display device for improving cruising ability of battery | |
| CN117494753A (en) | EPD module and electronic price tag | |
| CN211087787U (en) | Display panel and display device | |
| US11976967B2 (en) | Electronic device having a photodiode and capable of switching between light-sensing function and light-charging function | |
| CN113326491B (en) | Display panel, driving method thereof and display device | |
| CN211555891U (en) | Organic light emitting display panel and organic light emitting display device | |
| US7671852B2 (en) | Display device, display method, and computer product | |
| CN108550613B (en) | Display module | |
| CN116322209A (en) | Display panel and display device | |
| CN112510809B (en) | Electronic device, display panel and electronic equipment | |
| CN113093419B (en) | Display panel and display device | |
| US20100026670A1 (en) | Display device and uses thereof | |
| US10048533B2 (en) | Liquid crystal display and terminal | |
| CN111146233B (en) | Display device | |
| US11837590B2 (en) | Display panel, manufacturing method thereof, and display device | |
| CN217562577U (en) | Display screen and mobile terminal | |
| CN110379361A (en) | The color LED dot matrix screen of photovoltaic power supply | |
| WO2017018731A1 (en) | Display capable of photovoltaic power generation | |
| KR101208515B1 (en) | Liquid crystal display device with solar cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1568 Jiugong Road, Jinshan District, Shanghai, 201506 Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 1568 Jiugong Road, Jinshan District, Shanghai, 201506 Patentee before: EverDisplay Optronics (Shanghai) Ltd. |
|
| CP01 | Change in the name or title of a patent holder |