WO2016155274A1 - 具有健康监测功能的显示面板、其制作方法及显示装置 - Google Patents

具有健康监测功能的显示面板、其制作方法及显示装置 Download PDF

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Publication number
WO2016155274A1
WO2016155274A1 PCT/CN2015/091035 CN2015091035W WO2016155274A1 WO 2016155274 A1 WO2016155274 A1 WO 2016155274A1 CN 2015091035 W CN2015091035 W CN 2015091035W WO 2016155274 A1 WO2016155274 A1 WO 2016155274A1
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Prior art keywords
display panel
substrate
photodiode
disposed
transparent electrode
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PCT/CN2015/091035
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English (en)
French (fr)
Inventor
邱云
杨久霞
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BOE Technology Group Co Ltd
Ordos Yuansheng Optoelectronics Co Ltd
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BOE Technology Group Co Ltd
Ordos Yuansheng Optoelectronics Co Ltd
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Priority to US14/913,492 priority Critical patent/US10405801B2/en
Publication of WO2016155274A1 publication Critical patent/WO2016155274A1/zh
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/742—Details of notification to user or communication with user or patient; User input means using visual displays
    • A61B5/7445—Display arrangements, e.g. multiple display units
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02416—Measuring pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02438—Measuring pulse rate or heart rate with portable devices, e.g. worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02444—Details of sensor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6898—Portable consumer electronic devices, e.g. music players, telephones, tablet computers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7278—Artificial waveform generation or derivation, e.g. synthesizing signals from measured signals
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10—Integrated devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/742—Details of notification to user or communication with user or patient; User input means using visual displays
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means

Definitions

  • At least one embodiment of the present invention is directed to a display panel and display device having a health monitoring function.
  • smart terminals include smart wristbands, watches, and mobile phones, etc., among which the units for monitoring health status are mostly designed separately.
  • the embodiment of the invention provides a display panel with a health monitoring function, a manufacturing method thereof and a display device, which solves the problems of low integration degree and loose structure of the display panel with the health monitoring function.
  • the display panel with the health monitoring function provided by the embodiment of the present invention includes a first substrate, a second substrate, and a monitoring unit, and the monitoring unit is disposed on the first substrate or the second substrate by a patterning process, and is configured To monitor changes in human physiological information.
  • the monitoring unit includes an optical sensor.
  • the optical sensor is a photodiode disposed in a light transmissive region of the first substrate or the second substrate.
  • the photodiode is disposed at a monochrome sub-pixel location.
  • the photodiode is disposed on the first substrate; the first substrate includes a thin film transistor, and at each monochromatic sub-pixel position, the first substrate further includes a photonic device disposed at the Electrodes on both sides of the diode.
  • the electrodes disposed on both sides of the photodiode are first transparent a clear electrode and a second transparent electrode; wherein the first transparent electrode is electrically connected to a drain of the thin film transistor, and the first transparent electrode is disposed closer to the drain than the second transparent electrode.
  • the second transparent electrode is disposed over the first transparent electrode.
  • the thin film transistor is a low temperature polysilicon thin film transistor or a metal oxide thin film transistor.
  • the photodiode includes an N-type silicon pattern layer, a P-type silicon pattern layer, and an intrinsic silicon pattern layer disposed between the N-type silicon pattern layer and the P-type silicon pattern layer.
  • the display panel further includes a sensing unit configured to sense a position of a human body that is in contact with the display panel.
  • the sensing unit is a touch unit or a photodiode.
  • the display device provided by the embodiment of the invention includes any of the above display panels.
  • the monitoring unit of the display panel is a photodiode
  • the display device further includes a computing unit and a control unit; wherein the computing unit is configured to calculate a heart rate value according to an electrical signal provided by the photodiode
  • the control unit is configured to control the drive circuit to display the heart rate value on the display panel.
  • the manufacturing method of the display device with the health monitoring function provided by the embodiment of the invention comprises the step of providing the monitoring unit on the first substrate or the second substrate by a patterning process.
  • the step of providing a monitoring unit includes disposing a photodiode at a monochrome sub-pixel position of the first substrate or the second substrate.
  • a photodiode is placed at the green sub-pixel location.
  • An embodiment of the present invention provides a display panel having a health monitoring function, a manufacturing method thereof, and a display device.
  • the display panel includes a first substrate and a second substrate, and further includes a monitoring unit, wherein the monitoring unit is configured to monitor the human body. a change in physiological information; wherein the monitoring unit is disposed on the first substrate or the second substrate by a patterning process. Since the monitoring unit that monitors the change of the physiological information of the human body is integrated in the display panel, the problem that the known display panel with the health monitoring function has low integration degree and loose structure can be solved.
  • FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a photodiode in a display panel according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a display panel integrating a photodiode at a position of a monochrome sub-pixel according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a process for preparing a sub-pixel including a photodiode at a position of a monochrome sub-pixel of a display panel according to an embodiment of the present invention
  • FIG. 10 is a schematic structural diagram of a display device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic flowchart of performing health monitoring of a display device according to an embodiment of the present invention.
  • An embodiment of the present invention provides a display panel having a health monitoring function.
  • the display panel includes a first substrate 1 and a second substrate 2, and further includes a monitoring unit 3, and the monitoring unit 3 is configured.
  • the monitoring unit 3 is disposed on the first substrate 1 or the second substrate 2 by a patterning process.
  • FIG. 1 shows that the monitoring unit 3 is located at a mid-surface position of the first substrate 1, this is merely exemplary and not limiting, and in other embodiments of the present invention, The monitoring unit 3 can be located on the second substrate 2 or at other locations on the first substrate 1, depending on actual needs.
  • the type of the display panel is not limited, and may be a liquid crystal display panel.
  • the first substrate 1 may be an array substrate, and the second substrate 2 may be a color.
  • the film substrate ; of course, it may also be an organic electroluminescent diode display panel.
  • the first substrate 1 may be an array substrate, and the second substrate 2 may be a package substrate. Specifically, it can be set according to actual conditions, as long as the above-mentioned monitoring unit 3 can be integrated in the display panel.
  • the physiological information of the human body in the embodiment of the present invention may be blood, pulse, body temperature, etc. in the human body, that is, any human physiological information through which a certain health indicator of the human can be embodied.
  • the heart rate value of the person can be known, and the heart rate value can reflect a health indicator of the person.
  • An embodiment of the present invention provides a display panel having a health monitoring function, the display panel includes a first substrate 1 and a second substrate 2, and further includes a monitoring unit 3 configured to monitor physiological information of the human body.
  • the monitoring unit 3 is disposed on the first substrate 1 or the second substrate 2 by a patterning process.
  • the monitoring unit 3 for monitoring the change of the physiological information of the human body is integrated in the display panel, the problem of low integration degree and loose structure of the display panel having the health monitoring function can be solved with respect to the known technology.
  • the monitoring unit 3 may comprise an optical sensor 10, such as a photodiode, an infrared sensor or the like.
  • the light of the optical sensor can be provided by a light source independent of the display panel, for example, the light source can be a monochromatic light source, such as a red light source or a green light source or a blue light source.
  • the light source or the light source that can emit infrared light may also be a light source that can emit other monochromatic light.
  • the corresponding sub-pixels may emit red light, green light, and blue light.
  • the monitoring unit adopts red
  • the optical sensor of the monochromatic light source of green and blue light can directly use the light emitted by the sub-pixel as the incident light.
  • green light since green light has a stronger ability to penetrate the skin, in one embodiment of the present invention, green light emitted from a green sub-pixel is used as incident light.
  • the monitoring unit is configured to monitor changes in human blood.
  • heart rate values can be easily obtained through changes in blood, thereby monitoring the indicator of heart rate that reflects human health.
  • human blood contains a large number of different kinds of cells, different kinds of cells have different effects on light reflection and transmission.
  • oxygen red blood cells and deoxygenated red blood cells in the blood have a reflection effect on green light, while other cells It has a transmissive effect on green light.
  • the blood also flows accordingly, and the oxygen red blood cells and the deoxygenated red blood cells in the blood, for example, which have a reflection effect on the green light, change, and thus the reflected light of the green light also changes.
  • the heart rate value can be obtained.
  • the above process of monitoring changes in human blood is to detect changes in blood such as oxidized red blood cells and deoxygenated red blood cells by reflected light.
  • the embodiment of the present invention can be combined with the monitoring unit in the display panel. Monitoring of blood changes is easily achieved.
  • the optical sensor may be a photodiode for converting an optical signal into an electrical signal; the photodiode being disposed on the first substrate or the second substrate Light transmission area.
  • the photodiode 10 may include: an N type The silicon pattern layer 101, the P-type silicon pattern layer 103, and the intrinsic silicon pattern layer 102 disposed between the N-type silicon pattern layer 101 and the P-type silicon pattern layer 103.
  • the working principle of the photodiode is to convert an optical signal into an electrical signal.
  • the converted electrical energy is also different. Therefore, when the reflected light absorbed by the light is different, the electrical signal converted into the electrical signal is also converted.
  • the heart rate value can be easily calculated by the corresponding calculation formula according to the change of the electrical signal.
  • the photodiode is disposed in the light transmitting region of the first substrate 1 or the second substrate 2, in order to use light emitted from the light transmitting region without additionally providing light provided to the photodiode Light source.
  • the photodiode is disposed in the light transmissive area of the first substrate 1 or the second substrate 2, that is, the photodiode is disposed on the first substrate 1 or the first The light transmissive area of the sub-pixels of the two substrates 2, so that the photodiodes can use red, green, and blue light emitted by the sub-pixels and reflected by the human body.
  • the photodiode 10 integrated on the first substrate 1 or the second substrate 2 is only used to convert the optical signal of the reflected light into an electrical signal, and the heart rate value can be calculated by the change of the electrical signal.
  • the processing is performed by other units, for example, the photodiode 10 and other processing units can be integrated on the circuit board, which is not limited herein.
  • the solution of the embodiment of the present invention uses the photodiode 10 to monitor changes in human blood.
  • the photodiode has a simple structure and is relatively easy to be integrated on the first substrate 1 or the second substrate 2; on the other hand, the photodiode 10
  • the light emitted from the sub-pixels of the display panel can be used in the light-transmitting area, which is easier to integrate.
  • the photodiode 10 is disposed in consideration of the fact that when the display panel is applied to a display device, the monochromatic light source emitted by the display panel is more stable and less susceptible to external interference, and the photodiode measurement is inaccurate.
  • Monochromatic sub-pixel position For example, the photodiode is disposed at all of the green sub-pixel positions of the first substrate 1 or the second substrate 2 or at a blue sub-pixel position or a red sub-pixel position.
  • green light since the ability of green light to penetrate the skin is stronger, in one example, green light is used, that is, the photodiode 10 is disposed on all the green of the first substrate 1 or the second substrate 2 At the sub-pixel position.
  • the photodiode 10 is not specifically located on the first substrate or Which layer of the second substrate is defined.
  • the first substrate 1 is an array substrate, and the photodiode 10 is disposed on the first substrate 1; wherein the first substrate 1 includes a thin film transistor, and each At the position of the monochrome sub-pixel, the first substrate 1 further includes electrodes disposed on both sides of the photodiode 10.
  • the monochrome sub-pixel can be a green sub-pixel.
  • electrodes disposed on both sides of the photodiode 10 are working electrodes of the photodiode.
  • the photodiode 10 is disposed on the array substrate because the array substrate itself needs to form corresponding electrodes, such as pixel electrodes, in the light transmissive region of the sub-pixel, and thus the display panel is used for performing In the blood change monitoring, the electrode can be used as a working electrode in the above photodiode, thereby simplifying the manufacturing process of the integrated health monitoring display panel.
  • the electrodes disposed on both sides of the photodiode are a first transparent electrode and a second transparent electrode; wherein the first transparent electrode is electrically connected to a drain of the thin film transistor, and The first transparent electrode is disposed adjacent to the drain electrode with respect to the second transparent electrode.
  • the thin film transistor 20 of the first substrate 1 includes a gate 201, a gate insulating layer 202,
  • the active layer 203, the source 204 and the drain 205, and the photodiode 10 between the first transparent electrode 30 and the second transparent electrode 40 may sequentially include an N-type silicon pattern layer 101, an intrinsic silicon pattern layer 102, and a P-type.
  • the second transparent electrode 40 is not powered to ensure normal display of the sub-pixel, and when the display panel is used for health monitoring, the first The two transparent electrodes 40 are energized.
  • the second transparent electrode 40 may be disposed under or above the first transparent electrode 30 .
  • the second transparent electrode 40 is disposed above the first transparent electrode 30. Since the thin film transistor is formed first, the photodiode is formed, and the second transparent electrode 40 is formed, the second transparent electrode 40 and the photodiode 10 are formed first. After the thin film transistor is formed, it is possible to avoid that the time difference of the preparation of the thin film transistor is too high, resulting in a defect in the prepared thin film transistor.
  • the embodiment of the present invention does not limit the type of the thin film transistor 20, and It may be an amorphous silicon thin film transistor, a low temperature polysilicon thin film transistor, a metal oxide thin film transistor or the like.
  • the thin film transistor 20 is selected from a low temperature polysilicon thin film transistor or a metal oxide thin film transistor.
  • the preparation process of the monochrome sub-pixel includes the following steps:
  • an amorphous silicon film 203a is formed on the base substrate.
  • the amorphous silicon film 203a may be formed by PECVD (plasma chemical vapor deposition) or sputtering.
  • the substrate on which the amorphous silicon film 203a is formed is placed in an annealing furnace for dehydrogenation treatment.
  • the substrate can be placed in an annealing furnace for a certain period of time to reduce the hydrogen content in the amorphous silicon, and the hydrogen content is usually controlled to be less than 3% to avoid the problem of hydrogen explosion in the subsequent laser annealing process. .
  • the dehydrogenation temperature may be from 400 to 600 ° C, and the treatment time may be from 20 to 120 minutes.
  • the amorphous silicon film 203a is annealed by, for example, an excimer laser annealing method, and the amorphous silicon film 203a is crystallized into a polysilicon film.
  • a gate insulating layer 202 and a gate electrode 201 are formed.
  • the gate insulating layer 202 can be deposited using PECVD.
  • a gate metal layer is then formed on the gate insulating layer 202 by a sputtering method, and the gate electrode 201 is formed by a patterning process.
  • the active layer 203 includes a source region 2032, a drain region 2033, and a polysilicon region 2034 between the source region 2031 and the drain region 2033.
  • activation can be performed by rapid thermal annealing, laser annealing, or furnace annealing after ion implantation.
  • the furnace annealing method is economical, simple, and uniform, in this
  • an interlayer insulating layer 50 is formed, and a source electrode 204 and a drain electrode 205 are formed on the interlayer insulating layer 50.
  • the source 204 and the drain 205 are in contact with the source region 2032 and the drain region 2033 through via holes formed on the interlayer insulating layer 50 and the gate insulating layer 202, respectively.
  • the interlayer insulating layer 50 may be deposited by PECVD, then a source/drain metal layer is formed on the interlayer insulating layer 50 by a sputtering method, and the source 204 and the drain 205 are formed by a patterning process.
  • a planarization layer 60 is formed, and a first transparent electrode 30 electrically connected to the drain electrode 205 is formed on the planarization layer 60;
  • a first transparent electrode 30 electrically connected to the drain electrode 205 is formed on the planarization layer 60;
  • an N-type silicon pattern layer 101, an intrinsic silicon pattern layer 102, a P-type silicon pattern layer 103, and a second transparent electrode 40 are sequentially formed on the first transparent electrode 30.
  • FIG. 4-9 of the present invention is only a schematic diagram, and only the structure related to the inventive concept of the present invention is embodied for the purpose of clearly describing the embodiments of the present invention. Structures that are not related to the inventive concept, that is, known structures, are not shown or are only partially embodied in the drawings.
  • the display panel may further include a sensing unit configured to sense a touch position of the human body and the display panel.
  • the sensing unit may be a touch unit, that is, the position of the finger may be monitored by a touch electrode disposed on the display panel, and of course, the photodiode may be used to implement the Monitoring of finger position.
  • the photodiode may be disposed at each sub-pixel position, and after the position of the finger is determined by the photodiode, the health of the display panel is turned on again.
  • the monitoring function can be set according to the actual situation.
  • the embodiment of the invention further provides a display device, which comprises the display panel of any of the above embodiments.
  • the display device may be, for example, a display device such as a tablet computer, a television, or a large-sized mobile phone, and is not limited herein.
  • the display device may further include a calculation unit and a control unit; wherein the calculation unit is configured to be according to the photodiode (by, for example, the foregoing
  • the heartbeat value is calculated by the electrical signal provided after the sensing unit is activated; the control unit is configured to control the driving circuit to display the heart rate value on the display panel.
  • the computing unit can be implemented by a chip capable of implementing a computing function disposed on a circuit board of the display panel, and the control unit can be implemented by setting a control chip on the circuit board.
  • control unit may be further configured to: at least one monochrome at a touch position of the human body through the driving circuit according to the position of the human body touch determined by the sensing unit The thin film transistor of the sub-pixel is turned on.
  • the calculating unit may be configured according to each of the plurality of monochrome sub-pixels at a position of the monochrome sub-pixel
  • the electrical signal provided by the photodiode calculates a heart rate value and averages it.
  • FIG. 10 the partial structure of the display device provided by the embodiment of the present invention is shown in FIG. 10, and other parts not shown are known to those skilled in the art, so no further description is provided. .
  • an exemplary workflow of the display device for performing health monitoring includes:
  • S201 Determine the position of the finger by the sensing unit. After determining the position of the finger, perform S202-S205.
  • the control unit feeds back the position information of the finger to the driving circuit.
  • the driving circuit opens the thin film transistor of the monochrome sub-pixel at the position of the finger.
  • the calculation unit calculates a heart rate value according to an electrical signal provided by the photodiode at the position of the monochrome sub-pixel.
  • the control unit controls the driving circuit to display the heart rate value on the display panel.

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  • Solid State Image Pick-Up Elements (AREA)

Abstract

一种具有健康监测功能的显示面板，包括第一基板（1）和第二基板（2），以及监测单元（3）。其中，监测单元（3）配置以监测人体生理信息的变化，并且监测单元（3）通过构图工艺设置在第一基板（1）或第二基板（2）上。这种具有健康监测功能的显示版面，解决了已知的具有健康监测功能的显示面板集成度低、结构松散的问题。

Description

具有健康监测功能的显示面板、其制作方法及显示装置 技术领域
本发明的至少一个实施例涉及一种具有健康监测功能的显示面板及显示装置。
背景技术
随着智能穿戴设备的推广和应用，人们对于智能终端的健康监测功能越来越关注。目前已知的智能终端包括智能手环、手表、以及手机等，其中用于监测健康状态的单元大多是单独设计的。
此外，已知的尺寸较大的显示器目前还鲜少具有健康监测功能，即使在其上设置了监测健康状态的单元，也是采用将相关单元独立于显示面板的设计。
因而，目前已知的具有健康监测功能的显示面板大多集成度低，结构松散。
发明内容
本发明的实施例提供一种具有健康监测功能的显示面板、其制作方法及显示装置，解决了目前具有健康监测功能的显示面板集成度低，结构松散等问题。
本发明实施例提供的具有健康监测功能的显示面板包括第一基板；第二基板；以及监测单元，所述监测单元通过构图工艺设置在所述第一基板或所述第二基板上，并且配置以监测人体生理信息的变化。
在一个示例中，所述监测单元包括光学传感器。
在一个示例中，所述光学传感器为光电二极管，所述光电二极管设置在所述第一基板或所述第二基板的透光区。
在一个示例中，所述光电二极管设置在单色子像素位置处。
在一个示例中，所述光电二极管设置在所述第一基板上；所述第一基板包括薄膜晶体管，且在每个单色子像素位置处，所述第一基板还包括设置在所述光电二极管两侧的电极。
在一个示例中，所述设置在所述光电二极管两侧的电极为第一透 明电极和第二透明电极；其中，所述第一透明电极与所述薄膜晶体管的漏极电连接，且所述第一透明电极较所述第二透明电极靠近所述漏极设置。
在一个示例中，所述第二透明电极设置在所述第一透明电极上方。
在一个示例中，所述薄膜晶体管为低温多晶硅薄膜晶体管或金属氧化物薄膜晶体管。
在一个示例中，所述光电二极管包括：N型硅图案层、P型硅图案层以及设置在N型硅图案层和P型硅图案层之间的本征硅图案层。
在一个示例中，所述显示面板还包括感应单元，所述感应单元配置以感应与所述显示面板接触的人体触碰的位置。
在一个示例中，所述感应单元为触控单元或光电二极管。
本发明实施例提供的显示装置包括上述任一显示面板。
在一个示例中，所述显示面板的监测单元为光电二极管，并且所述显示装置还包括计算单元和控制单元；其中，所述计算单元配置以根据所述光电二极管提供的电信号计算得到心率值；所述控制单元配置以控制驱动电路将所述心率值显示在所述显示面板上。
本发明实施例提供的具有健康监测功能的显示装置的制作方法包括通过构图工艺在第一基板或第二基板上提供监测单元的步骤。
在一个示例中，所述提供监测单元的步骤包括在所述第一基板或第二基板的单色子像素位置处设置光电二极管。
在一个示例中，在绿色子像素位置处设置光电二极管。
本发明实施例提供了一种具有健康监测功能的显示面板、其制作方法及显示装置，所述显示面板包括第一基板和第二基板，进一步还包括监测单元，所述监测单元用于监测人体生理信息的变化；其中，所述监测单元通过构图工艺设置在所述第一基板或所述第二基板上。由于将监测人体生理信息变化的监测单元集成在显示面板中，可以解决已知的具有健康监测功能的显示面板集成度低、结构松散等问题。
附图说明
以下将结合附图对本发明的实施例进行更详细的说明，以使本领域普通技术人员更加清楚地理解本发明，其中：
图1为本发明实施例提供的一种显示面板的结构示意图；
图2为本发明实施例提供的显示面板中的光电二极管的结构示意图；
图3为本发明实施例提供的显示面板在单色子像素位置处集成光电二极管的结构示意图；
图4-图9为本发明实施例提供的显示面板在单色子像素位置处制备包括光电二极管的子像素的过程示意图；
图10为本发明实施例提供的显示装置的一种结构示意图；
图11为本发明实施例提供的一种显示装置进行健康监测的流程示意图。
附图标记：
1-第一基板；2-第二基板；3-监测单元；10-光电二极管；101-N型硅图案层；102-本征硅图案层；103-P型硅图案层；20-薄膜晶体管；201-栅极；202-栅绝缘层；203-有源层；203a-非晶硅薄膜；2031-多晶硅层；2032-源极区；2033-漏极区；2034-多晶硅区；204-源极；205-漏极；30-第一透明电极；40-第二透明电极；50-层间绝缘层；60-平坦化层。
具体实施方式
为使本发明的实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例的附图对本发明的实施例的技术方案进行清楚、完整的描述。显然，所描述的实施例仅是本发明的一部分示例性实施例，而不是全部的实施例。基于所描述的本发明的示例性实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其它实施例都属于本发明的保护范围。
除非另作定义，此处使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”、“一”或者“该”等类似词语也不表示数量限制，而是表示存在至少一个。“包括”或者“包含”等类似的词语意指出现该词前面的 元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“上”、“下”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
下面对本发明的具体实施方式作进一步详细描述，其中为了使描述更清楚，文中省略了一些特征、结构，但这种描述方式并不表示在本发明的实施例中，只包含所描述的特征、结构，因此，还可以包括其他需要的特征结构。
本发明实施例提供了一种具有健康监测功能的显示面板，如图1所示，所述显示面板包括第一基板1和第二基板2，进一步还包括监测单元3，所述监测单元3配置以监测人体生理信息的变化；其中，所述监测单元3通过构图工艺设置在所述第一基板1或所述第二基板2上。本领域技术人员应该理解的是，尽管图1示出了监测单元3位于第一基板1的表面中部位置，但这仅为示例性的而非限制性的，在本发明的其他实施例中，监测单元3可位于第二基板2上或位于第一基板1的其他位置，取决于实际需要。
需要说明的是，第一，本发明实施例不对所述显示面板的类型进行限定，其可以是液晶显示面板，在此情况下，第一基板1可以是阵列基板，第二基板2可以是彩膜基板；当然其也可以是有机电致发光二极管显示面板，在此情况下，第一基板1可以是阵列基板，第二基板2可以是封装基板。具体可根据实际情况进行设定，只要能将上述监测单元3集成在所述显示面板中即可。
第二，本发明实施例下的人体生理信息可以是人体中的血液、脉搏、体温等，即，可以是能通过其体现人的某项健康指标的任何人体生理信息。
例如，当人体生理信息为血液时，可以通过其获知人的心率值，心率值则可体现人的一项健康指标。
本发明实施例提供了一种具有健康监测功能的显示面板，所述显示面板包括第一基板1和第二基板2，进一步还包括监测单元3，所述监测单元3配置以监测人体生理信息的变化；其中，所述监测单元3通过构图工艺设置在所述第一基板1或所述第二基板2上。
根据本发明的实施例，由于将监测人体生理信息变化的监测单元3集成在显示面板中，相对于已知技术，可以解决目前具有健康监测功能的显示面板集成度低、结构松散等问题。
在本发明的实施例中，所述监测单元3可以包括光学传感器10，例如光电二极管、红外传感器等。一般来说，光学传感器的光可通过独立于显示面板的光源来提供，例如，该光源可为单色光光源，比如，可发红光的光源或可发绿光的光源或可发蓝光的光源或可发红外光的光源，也可以是可发其他单色光的光源。进一步地，考虑到当上述显示面板应用于显示装置时，其相应的子像素可发红光、绿光、蓝光，因而，在本发明的一种实施例中，所述监测单元为采用红、绿、蓝光的单色光源的光学传感器，从而可以直接采用子像素发出的光作入射光。其中，由于绿光穿透皮肤的能力更强，因此，本发明的一种实施例中，采用绿色子像素发出的绿光作为入射光。
在本发明的一个实施例中，所述监测单元配置以监测人体血液的变化。在此基础上，通过血液的变化可以很容易得出心率值，从而实现对体现人体健康的心率这一项指标的监测。其中，由于人体血液内含有大量的不同种类的细胞，不同种类的细胞对光的反射、透射效果不同，例如，血液内的氧血红细胞和去氧血红细胞对绿光具有反射效果，而其他细胞则对绿光具有透射效果。基于此，随着心脏的跳动，血液也在相应地流动，血液中的例如对绿光具有反射效果的氧血红细胞和去氧血红细胞发生变化，因而对绿光的反射光也在发生变化，在此基础上便可得出心率值。上述监测人体血液的变化的过程即：通过反射光来检测血液中例如氧血红细胞和去氧血红细胞的变化。
基于上述原理，进一步地，由于血液流经身体各处，包括人的手指，而手指相对其他部位与显示面板接触更为方便，因此，本发明的实施例可以通过在显示面板中结合监测单元而很方便地实现对血液变化的监测。
在本发明的一个实施例中，所述光学传感器可以是光电二极管，所述光电二极管用于将光信号转换成电信号；所述光电二极管设置在所述第一基板或所述第二基板的透光区。
在一个示例中，如图2所示，所述光电二极管10可以包括：N型 硅图案层101、P型硅图案层103以及设置在N型硅图案层101和P型硅图案层103之间的本征硅图案层102。
由于在心率发生变化时，血管内的血液中对光具有反射效果的细胞含量也会变化，从而使得入射到人体皮肤(例如手指)的光线所发生的反射会发生变化。所述光电二极管的工作原理是将光信号转换成电信号，当其吸收的光能不同时，其转换的电能也不同，因此，当其吸收的反射光线不同时，其转换成的电信号也相应地不同，从而可以根据电信号的变化通过相应的计算公式很容易地计算出心率值。
这里，将所述光电二极管设置在所述第一基板1或所述第二基板2的透光区，目的是可以使用从该透光区发出的光而无需再额外设置提供给光电二极管的光的光源。
需要说明的是，第一，所述光电二极管设置在所述第一基板1或所述第二基板2的透光区，即：所述光电二极管设置在所述第一基板1或所述第二基板2的子像素的透光区，这样光电二极管便可使用子像素发出的并经人体反射的红光、绿光、蓝光。
第二，集成在所述第一基板1或所述第二基板2上的所述光电二极管10只用于将反射光的光信号转换成电信号，通过电信号的变化计算出心率值则可通过其他单元进行处理，例如可以将光电二极管10和其他处理单元集成在电路板上，具体在此不做限定。
如上所述，本发明实施例的方案采用光电二极管10监测人体血液的变化，一方面，光电二极管结构简单，比较容易集成在第一基板1或第二基板2上；另一方面，将光电二极管10设置在透光区可以使用显示面板的子像素发出的光，更易于集成。
在本发明的一个实施例中，考虑到当上述显示面板应用于显示装置时其发出的单色光源更为稳定且不容易受到外界干扰造成光电二极管测量的不准确，所述光电二极管10设置在单色子像素位置处。例如，所述光电二极管设置在所述第一基板1或所述第二基板2的所有绿色子像素位置处或蓝色子像素位置处或红色子像素位置处。其中，由于绿光穿透皮肤的能力更强，因此，在一个示例中，采用绿光，即，将所述光电二极管10设置在所述第一基板1或所述第二基板2的所有绿色子像素位置处。这里，不对所述光电二极管10的具体位于所述第一基板或 第二基板的哪一层进行限定。
在本发明的一个实施例中，所述第一基板1为阵列基板，所述光电二极管10设置在所述第一基板1上；其中，所述第一基板1包括薄膜晶体管，且在每个单色子像素位置处，所述第一基板1还包括设置在所述光电二极管10两侧的电极。例如，所述单色子像素可以是绿色子像素。例如，设置在所述光电二极管10两侧的电极为所述光电二极管的工作电极。在本实施例中，将所述光电二极管10设置在阵列基板上是因为阵列基板本身在子像素的透光区需要形成相应的电极，例如像素电极等，因而在将所述显示面板用于进行血液变化监测时，该电极可作为上述光电二极管中的一个工作电极，进而可简化该集成健康监测功能的显示面板的制作工艺。
在上述实施例的一个示例中，设置在所述光电二极管两侧的电极为第一透明电极和第二透明电极；其中，所述第一透明电极与所述薄膜晶体管的漏极电连接，且相对所述第二透明电极，所述第一透明电极靠近所述漏极设置。以在绿色子像素位置处设置所述光电二极管为例，如图3所示，在每个绿色子像素位置处，所述第一基板1的薄膜晶体管20包括栅极201、栅绝缘层202、有源层203、源极204和漏极205，位于第一透明电极30和第二透明电极40之间的光电二极管10可以依次包括N型硅图案层101、本征硅图案层102和P型硅图案层103；其中，所述第一透明电极30与漏极205电连接。当然，在其他颜色子像素位置处，由于无需设置光电二极管10，因而也就无需设置上述的第二透明电极40。在本实施例中，当所述显示面板用于显示时，所述第二透明电极40不加电，以保证该子像素的正常显示，当所述显示面板用于健康监测时，所述第二透明电极40加电。
需要说明的是，针对图3所示的情况，所述第二透明电极40也可以设置在所述第一透明电极30下方或上方。例如，将第二透明电极40设置在第一透明电极30上方，由于先形成薄膜晶体管、后形成光电二极管和第二透明电极40，相对于先形成所述第二透明电极40和光电二极管10、后形成所述薄膜晶体管，可避免制备薄膜晶体管时段差太高而导致制备的薄膜晶体管出现不良。
此外，本发明实施例不对所述薄膜晶体管20的类型进行限定，其 可以是非晶硅薄膜晶体管、低温多晶硅薄膜晶体管、金属氧化物薄膜晶体管等。考虑到低温多晶硅薄膜晶体管和金属氧化物薄膜晶体管具有较高的迁移率，在一个示例中，所述薄膜晶体管20选用低温多晶硅薄膜晶体管或金属氧化物薄膜晶体管。
以所述薄膜晶体管20为低温多晶硅薄膜晶体管为例，在本发明的一个实施例中，在单色子像素位置处，该单色子像素的制备过程包括如下步骤：
S101、如图4所示，在衬底基板上形成非晶硅薄膜203a。
例如，可以采用PECVD(等离子体化学气相沉积)或者溅射方法形成所述非晶硅薄膜203a。
S102、在完成S101的基础上，将形成有非晶硅薄膜203a的基板置于退火炉中进行脱氢处理。
例如，可将该基板置于退火炉中保温一定时间，使非晶硅中的氢含量减少，通常需将氢含量控制在3％以下，以避免在后续进行激光退火工艺时产生氢爆的问题。
例如，脱氢温度可在400～600℃，处理时间可在20～120分钟。
S103、在完成S102的基础上，采用例如准分子激光退火方法对所述非晶硅薄膜203a进行退火处理，使所述非晶硅薄膜203a晶化为多晶硅薄膜。
S104、在完成S103的基础上，对多晶硅薄膜进行构图工艺处理，形成如图5所示的多晶硅层2031。
S105、如图6所示，在完成S104的基础上，形成栅绝缘层202和栅极201。
例如，可以采用PECVD沉积栅绝缘层202。然后采用溅射方法在栅绝缘层202上形成栅金属层，并通过构图工艺形成所述栅极201。
S106、在完成S105的基础上，对多晶硅层2031的与所述源极区和所述漏极区相对应的区域进行离子注入工艺，形成如图7所示的有源层203。所述有源层203包括源极区2032、漏极区2033、位于所述源极区2031和所述漏极区2033之间的多晶硅区2034。
例如，可在离子注入之后通过快速热退火、激光退火或炉退火的方法进行激活。其中，炉退火的方法较为经济、简单，均匀性较佳，在本 发明实施例中优选采用在退火炉中以300～600℃进行0.5～4小时(最好为1～3小时)的激活热处理。
S107、如图8所示，在完成S106的基础上，形成层间绝缘层50，并在所述层间绝缘层50上形成源极204和漏极205。其中，所述源极204和漏极205分别通过形成在所述层间绝缘层50和所述栅绝缘层202上的过孔与所述源极区2032和漏极区2033接触。
例如，可以采用PECVD沉积所述层间绝缘层50，然后采用溅射方法在层间绝缘层50上形成源漏金属层，并通过构图工艺形成所述源极204和漏极205。
S108、如图9所示，在完成S107的基础上，形成平坦化层60，并在所述平坦化层60上形成与所述漏极205电连接的第一透明电极30；然后在绿色子像素位置处，在所述第一透明电极30上依次形成N型硅图案层101、本征硅图案层102、P型硅图案层103以及第二透明电极40。
需要说明的是，本发明的附图4-9仅是简略的示意图，并且为了清楚描述本发明实施例的方案而仅体现了与本发明的发明构思相关的结构，对于其他的与本发明的发明构思无关的结构，即，已知结构，在附图中并未体现或只体现部分。
此外，由于将整个屏幕的单色子像素全部打开会导致电能消耗较多，因此，在本发明的一个实施例中，仅将与显示面板接触的人体、例如手指触碰范围内的至少一个单色子像素打开；相应地，在此类实施例中，所述显示面板还可以包括感应单元，所述感应单元配置以感应人体与所述显示面板的触碰位置。
在本发明的实施例中，所述感应单元可以是触控单元，即，可以通过设置在所述显示面板上的触控电极来实现对手指位置的监测，当然也可通过光电二极管来实现对手指位置的监测。其中，当通过光电二极管来实现对手指位置的监测时，可以在每个子像素位置处均设置所述光电二极管，当通过所述光电二极管确定了手指的位置后，再开启所述显示面板的健康监测功能，具体可根据实际情况进行设定。
本发明实施例还提供了一种显示装置，该显示装置包括上述任一实施例所述的显示面板。
所述显示装置例如可以是平板电脑、电视、大尺寸手机等显示装置，在此不作限制。
例如，在所述监测单元为光电二极管的情况下，如图10所示，所述显示装置还可包括计算单元和控制单元；其中，所述计算单元配置以根据所述光电二极管(通过例如前述感应单元激活后)提供的电信号计算得到心率值；所述控制单元配置以控制驱动电路将所述心率值显示在所述显示面板上。，所述计算单元可通过设置在显示面板的电路板上的能实现计算功能的芯片来实现，所述控制单元可通过设置在电路板上控制芯片来实现。
例如，在所述显示面板还包括感应单元的情况下，所述控制单元还可配置以根据所述感应单元确定的人体触碰的位置，通过驱动电路将人体触碰位置处的至少一个单色子像素的薄膜晶体管打开。
例如，当所述控制单元通过驱动电路将人体触碰位置处的多个单色子像素的薄膜晶体管打开时，计算单元可根据该多个单色子像素中每个单色子像素位置处的所述光电二极管提供的电信号计算得到心率值，并取平均值。
在此需要解释的是，图10所示出的仅为本发明实施例提供的显示装置的部分结构示意图，其他未示出的部分对于本领域技术人员而言是已知的，因此不做赘述。
在此情况下，如图11所示，所述显示装置进行健康监测的一种示例性工作流程包括：
S201、通过感应单元判断手指的位置，当确定手指的位置后，执行S202-S205。
S202、控制单元将手指的位置信息反馈给驱动电路。
S203、驱动电路打开手指位置处的单色子像素的薄膜晶体管。
S204、计算单元根据所述单色子像素位置处的光电二极管提供的电信号，计算得到心率值。
S205、控制单元控制驱动电路将所述心率值显示在所述显示面板上。
以上所述仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。
本申请要求于2015年3月30日提交的名称为“一种具有健康监测功能的显示面板及显示装置”的中国专利申请No.201510146219.7的优先权，该申请全文以引用方式合并于本文。

Claims (17)

  1. 一种具有健康监测功能的显示面板，包括：
    第一基板；
    第二基板；以及
    监测单元，所述监测单元通过构图工艺设置在所述第一基板或所述第二基板上，并且配置以监测人体生理信息的变化。
  2. 根据权利要求1所述的显示面板，其中，所述监测单元包括光学传感器。
  3. 根据权利要求2所述的显示面板，其中，所述光学传感器为光电二极管；
    其中，所述光电二极管设置在所述第一基板或所述第二基板的透光区。
  4. 根据权利要求3所述的显示面板，其中，所述光电二极管设置在单色子像素位置处。
  5. 根据权利要求4所述的显示面板，其中，所述光电二极管设置在绿色子像素位置处。
  6. 根据权利要求4或5所述的显示面板，其中，所述光电二极管设置在所述第一基板上；
    所述第一基板包括薄膜晶体管，且在每个单色子像素位置处，所述第一基板还包括设置在所述光电二极管两侧的电极。
  7. 根据权利要求6所述的显示面板，其中，所述设置在所述光电二极管两侧的电极为第一透明电极和第二透明电极；
    其中，所述第一透明电极与所述薄膜晶体管的漏极电连接，且所述第一透明电极较所述第二透明电极靠近所述漏极设置。
  8. 根据权利要求7所述的显示面板，其中，所述第二透明电极设置在所述第一透明电极上方。
  9. 根据权利要求3-8中任一项所述的显示面板，其中，所述光电二极管包括：N型硅图案层、P型硅图案层以及设置在N型硅图案层和P型硅图案层之间的本征硅图案层。
  10. 根据权利要求6-8中任一项所述的显示面板，其中，所述薄膜 晶体管为低温多晶硅薄膜晶体管或金属氧化物薄膜晶体管。
  11. 根据权利要求6-8中任一项所述的显示面板，还包括感应单元，所述感应单元配置以感应与所述显示面板接触的人体触碰的位置。
  12. 根据权利要求11所述的显示面板，其中，所述感应单元为触控单元或光电二极管。
  13. 一种显示装置，包括权利要求1至12中任一项所述的显示面板。
  14. 根据权利要求13所述的显示装置，其中，所述监测单元为光电二极管，并且所述显示装置还包括计算单元和控制单元；
    其中，所述计算单元配置以根据所述光电二极管提供的电信号计算得到心率值；
    所述控制单元配置以控制驱动电路将所述心率值显示在所述显示面板上。
  15. 一种具有健康监测功能的显示面板的制作方法，包括通过构图工艺在第一基板或第二基板上提供监测单元的步骤。
  16. 如权利要求15所述的制作方法，其中，所述提供监测单元的步骤包括在所述第一基板或第二基板的单色子像素位置处设置光电二极管。
  17. 如权利要求16所述的制作方法，其中，在绿色子像素位置处设置光电二极管。
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