WO2024152883A1 - 发光器件、发光补偿方法及电子设备 - Google Patents

发光器件、发光补偿方法及电子设备 Download PDF

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Publication number
WO2024152883A1
WO2024152883A1 PCT/CN2024/070027 CN2024070027W WO2024152883A1 WO 2024152883 A1 WO2024152883 A1 WO 2024152883A1 CN 2024070027 W CN2024070027 W CN 2024070027W WO 2024152883 A1 WO2024152883 A1 WO 2024152883A1
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WO
WIPO (PCT)
Prior art keywords
light
emitting layer
emitting
time period
electrode
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.)
Ceased
Application number
PCT/CN2024/070027
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English (en)
French (fr)
Inventor
向炼
陈功
方远�
孔亚坤
包征
张家祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Application filed by BOE Technology Group Co Ltd, Chengdu BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to US18/847,341 priority Critical patent/US20250204204A1/en
Publication of WO2024152883A1 publication Critical patent/WO2024152883A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8052—Cathodes
    • H10K59/80523—Multilayers, e.g. opaque multilayers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/60—Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8052—Cathodes
    • H10K59/80521—Cathodes characterised by their shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels

Definitions

  • the embodiments of the present invention relate to the field of display technology, and in particular to a light-emitting device, a light-emitting compensation method and an electronic device.
  • OLED Organic Light Emitting Diode
  • the embodiments of the present invention provide a light emitting device, a light emitting compensation method and an electronic device, which are used to solve the problem that an OLED light emitting device has poor performance in terms of high brightness and long life.
  • an embodiment of the present invention provides a light emitting device, including:
  • each of the light-emitting units comprises:
  • a first light-emitting layer is disposed on a side of the first electrode away from the substrate;
  • a common electrode is arranged on a side of the first light-emitting layer away from the substrate;
  • a second light-emitting layer is disposed on a side of the common electrode away from the substrate, the orthographic projection of the second light-emitting layer on the substrate at least partially overlaps with the orthographic projection of the first light-emitting layer on the substrate, and the second light-emitting layer and the first light-emitting layer have the same light-emitting color;
  • the second electrode is arranged on a side of the second light-emitting layer away from the substrate.
  • the first electrode is a high-transmittance electrode
  • the second electrode is a high reflectivity electrode
  • the thickness of the first electrode is smaller than the thickness of the second electrode
  • the first electrode is a high reflectivity electrode
  • the second electrode is a high-transmittance electrode
  • the thickness of the second electrode is smaller than the thickness of the first electrode.
  • an area of an orthographic projection region of the second light-emitting layer on the substrate is smaller than an area of an orthographic projection region of the first light-emitting layer on the substrate.
  • the orthographic projection area of the second light-emitting layer on the substrate is located within the orthographic projection area of the first light-emitting layer on the substrate.
  • the light emitting device further includes:
  • a first inorganic layer is disposed on a side of the first electrode away from the substrate;
  • the second inorganic layer is arranged on a side of the common electrode away from the substrate and is used for covering an edge portion of the common electrode.
  • an embodiment of the present invention provides a light emitting compensation method applied to the light emitting device described in the first aspect, the light emitting compensation method comprising:
  • the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit is controlled to emit light according to a preset compensation display mode.
  • controlling the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit to emit light includes:
  • the preset compensation display mode is the full compensation mode
  • the first light-emitting layer and the second light-emitting layer of the light-emitting unit are controlled to emit light during the entire light-emitting period of the light-emitting unit.
  • controlling the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit to emit light includes:
  • the preset compensation display mode is a partial compensation mode, during the first light-emitting period of the light-emitting unit, the first light-emitting layer or the second light-emitting layer is controlled to emit light, and during the second light-emitting period of the light-emitting unit, the first light-emitting layer and the second light-emitting layer of the light-emitting unit are controlled to emit light.
  • the first light-emitting layer and/or the light-emitting unit are controlled or the second light-emitting layer emits light, comprising:
  • the preset compensation display mode is the full compensation mode
  • the PWM pulse signal corresponding to the main light-emitting layer is at a high level
  • the first light-emitting layer and the second light-emitting layer of the light-emitting unit are controlled to emit light
  • the PWM pulse signal is at a low level
  • the first light-emitting layer and the second light-emitting layer are controlled not to emit light
  • the main light-emitting layer is the first light-emitting layer or the second light-emitting layer
  • the PWM pulse signal corresponding to the main light-emitting layer is a high level, controlling the first light-emitting layer and the second light-emitting layer of the light-emitting unit to emit light; in the second time period, the PWM pulse signal corresponding to the main light-emitting layer is a low level, controlling the first light-emitting layer and the second light-emitting layer of the light-emitting unit to emit light; in the fourth time period, the PWM pulse signal corresponding to the main light-emitting layer is a low level, controlling the first light-emitting layer and the second light-emitting layer of the light-emitting unit not to emit light; the first time period, the second time period, the third time period and the fourth time period are set in sequence, and the main light-emitting layer is the first light-emitting layer or the
  • controlling the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit to emit light includes:
  • the light-emitting unit adopts PWM mode to emit light, and the preset compensation display mode is a partial compensation mode
  • the PWM pulse signal corresponding to the main light-emitting layer is at a high level, and the main light-emitting layer is controlled to emit light
  • the PWM pulse signal corresponding to the main light-emitting layer is at a low level, and the first light-emitting layer and the second light-emitting layer are controlled not to emit light
  • the third time period the PWM pulse signal corresponding to the main light-emitting layer is at a high level, and the first light-emitting layer and the second light-emitting layer are controlled to emit light
  • the fourth time period the PWM pulse signal corresponding to the main light-emitting layer is at a low level, and the first light-emitting layer and the second light-emitting layer are controlled not to emit light
  • the light-emitting unit adopts PWM mode to emit light, and the preset compensation display mode is the partial compensation mode
  • the PWM pulse signal corresponding to the main light-emitting layer is at a high level, and the main light-emitting layer is controlled to emit light
  • the PWM pulse signal corresponding to the main light-emitting layer is at a low level, and the first light-emitting layer and the second light-emitting layer of the light-emitting unit are controlled to emit light
  • the main light-emitting layer is at a low level, and the first light-emitting layer and the second light-emitting layer of the light-emitting unit are controlled to emit light.
  • the PWM pulse signal corresponding to the main light-emitting layer is at a high level, controlling the first light-emitting layer and the second light-emitting layer to emit light; in the fourth time period, the PWM pulse signal corresponding to the main light-emitting layer is at a low level, controlling the first light-emitting layer and the second light-emitting layer to not emit light; the first time period, the second time period, the third time period and the fourth time period are arranged in sequence; the main light-emitting layer is the first light-emitting layer or the second light-emitting layer.
  • controlling the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit to emit light includes:
  • the light-emitting unit adopts PWM mode to emit light, and the preset compensation display mode is the alternating compensation mode
  • the PWM pulse signal corresponding to the main light-emitting layer is high level, controlling the main light-emitting layer of the light-emitting unit to emit light
  • the PWM pulse signal corresponding to the main light-emitting layer is low level, controlling the auxiliary light-emitting layer of the light-emitting unit to emit light
  • the first time period and the second time period are alternately arranged
  • the main light-emitting layer is one of the first light-emitting layer and the second light-emitting layer
  • the auxiliary light-emitting layer is the other of the first light-emitting layer and the second light-emitting layer.
  • the light-emitting device includes a plurality of light-emitting units, wherein at least some of the light-emitting units have different compensation display modes.
  • an embodiment of the present invention provides an electronic device, comprising: a processor, a memory, and a program stored in the memory and executable on the processor, wherein when the program is executed by the processor, the steps of the luminous compensation method described in the first aspect are implemented.
  • an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored.
  • the computer program is executed by a processor, the steps of the luminescence compensation method described in the first aspect are implemented.
  • the present invention by providing a common electrode and a first light-emitting layer and a second light-emitting layer located on both sides of the common electrode, when normal display does not require compensation, only the first light-emitting layer or the second light-emitting layer can be controlled to emit light.
  • brightness compensation such as in a dark environment, the first light-emitting layer and the second light-emitting layer can be controlled to emit light at the same time, thereby improving the brightness of the light-emitting device and also improving the life of the light-emitting device.
  • FIG1 is a schematic diagram of a light emitting device according to an embodiment of the present invention.
  • FIG2 is a second schematic structural diagram of a light emitting device according to an embodiment of the present invention.
  • FIG3 is a third schematic structural diagram of a light emitting device according to an embodiment of the present invention.
  • FIG4 is a schematic diagram of a process of manufacturing a light emitting device according to an embodiment of the present invention.
  • FIG5 is a second schematic flow chart of a method for manufacturing a light emitting device according to an embodiment of the present invention.
  • 6 to 13 are schematic diagrams of the third process of the method for manufacturing a light emitting device according to an embodiment of the present invention.
  • FIG14 is a schematic flow chart of a light emitting compensation method according to an embodiment of the present invention.
  • 15 to 22 are timing diagrams of driving signals of the light emitting device according to the embodiment of the present invention.
  • an embodiment of the present invention provides a light emitting device, including:
  • each of the light emitting units L comprises:
  • a first electrode 12 is a first electrode 12;
  • a first light emitting layer 14 is disposed on a side of the first electrode 12 away from the substrate 11;
  • a common electrode 15 is disposed on a side of the first light-emitting layer 14 away from the substrate 11;
  • the second light-emitting layer 17 is disposed on a side of the common electrode 15 away from the substrate 11, and the orthographic projection of the second light-emitting layer 17 on the substrate 11 at least partially overlaps with the orthographic projection of the first light-emitting layer 14 on the substrate 11. Same color;
  • the second electrode 18 is disposed on a side of the second light emitting layer 17 away from the substrate 11 .
  • the present invention by providing a common electrode and a first light-emitting layer and a second light-emitting layer located on both sides of the common electrode, when normal display does not require compensation, only the first light-emitting layer or the second light-emitting layer can be controlled to emit light.
  • brightness compensation such as in a dark environment, the first light-emitting layer and the second light-emitting layer can be controlled to emit light at the same time, thereby improving the brightness of the light-emitting device and also improving the life of the light-emitting device.
  • the substrate 11 can be formed of a rigid material such as glass, or can be formed of a flexible material, such as PI (polyimide) material, to form a flexible substrate.
  • PI polyimide
  • the buffer layer can be formed of SiNOx or SiNx, for example.
  • the first electrode 12 may also be referred to as an anode, and may be formed of a metal or a metal oxide, for example, Ti-Al-Ti (titanium-aluminum-titanium) or ITO (indium tin oxide).
  • a high-transmittance electrode means that the light transmittance of the first electrode 12 is greater than a first preset threshold value, for example, the light transmittance is greater than 90%.
  • the first electrode 12 is an opaque electrode, for example, a high-reflectivity electrode, and a high-reflectivity electrode means that the light reflectance of the first electrode 12 is greater than a second preset threshold value, for example, the light reflectance is greater than 95%.
  • the light-emitting device may further include: an electrode lead-out layer, a ground terminal (GND), etc., which are arranged in the same layer and material as the first electrode 12.
  • the light emitting device may include a plurality of light emitting units L, wherein the plurality of light emitting units L may include light emitting units L of multiple colors, for example, a red light emitting unit, a green light emitting unit and a blue light emitting unit.
  • the first light emitting layer and the second light emitting layer in the same light emitting unit L emit the same color.
  • the common electrode 15 is a common electrode of the first light-emitting layer 14 and the second light-emitting layer 17, and can also be called a cathode.
  • the common electrode 15 can be formed of metal or metal oxide, for example, Ti-Al-Ti or ITO, etc.
  • the common electrode 15 can not only form a superimposed light-emitting unit, but also reduce the number of masks and reduce production costs.
  • the second electrode 18 may also be referred to as an anode.
  • the second electrode 18 is an opaque electrode, such as a high reflectivity electrode.
  • a high reflectivity electrode means that the light reflectivity of the second electrode 18 is greater than a second preset threshold value, for example, the light reflectivity is greater than 95%.
  • the second electrode 18 is a high transmittance electrode, and a high transmittance electrode means that the light transmittance of the second electrode 18 is greater than a first preset threshold value, for example, the light transmittance is greater than 90%.
  • the first electrode is a high-transmittance electrode
  • the second electrode is a high-reflectivity electrode
  • the first electrode is a high-reflectivity electrode
  • the second electrode is a high-transmittance electrode
  • the thickness of the first electrode is smaller than the thickness of the second electrode. Since the thickness of the first electrode is smaller, the transmittance can be further improved, and the thickness of the second electrode is larger, so the reflectivity can be further improved.
  • the thickness of the second electrode is less than the thickness of the first electrode. Since the thickness of the second electrode is smaller, the transmittance can be further improved, while the thickness of the first electrode is larger, the reflectivity can be further improved.
  • one of the first light-emitting layer and the second light-emitting layer can be called a main light-emitting layer, and the other is an auxiliary light-emitting layer.
  • the main light-emitting layer is used for main light emission
  • the auxiliary light-emitting layer is used for auxiliary light emission.
  • the area of the orthographic projection region of the second light-emitting layer on the substrate is smaller than the area of the orthographic projection region of the first light-emitting layer on the substrate. That is, since the main light-emitting layer is the main light-emitting component, the area of the main light-emitting layer is set larger, while the auxiliary light-emitting layer is an auxiliary light-emitting device, and the area can be set smaller.
  • the orthographic projection area of the second light-emitting layer on the substrate is located within the orthographic projection area of the first light-emitting layer on the substrate.
  • the second light-emitting layer completely overlaps with the first light-emitting layer, which can improve the luminous efficiency.
  • the light emitting device further comprises: a pixel definition layer 13, which is arranged on a side of the first electrode 12 away from the substrate 11, and the pixel definition layer 13 defines at least A light-emitting area, each of which corresponds to a light-emitting unit L.
  • the pixel definition layer 13 is optionally formed of an organic material, such as PI.
  • the light emitting device further includes:
  • the first inorganic layer (not shown) is disposed on the side of the first electrode 12 away from the substrate 11, and is used to cover the edge of the electrode lead layer, the ground terminal, etc., which are disposed on the same layer and material as the first electrode 12, and is used to protect the electrode lead layer, the ground terminal, etc.
  • the first inorganic layer can be formed of materials such as SiNOx and SiNx.
  • the second inorganic layer 16 is disposed on a side of the common electrode 15 away from the substrate 11, and is used to cover the edge of the common electrode 15 to protect the common electrode 15.
  • the second inorganic layer 16 can be formed of materials such as SiNOx and SiNx.
  • the light-emitting device By disposing the first inorganic layer and the second inorganic layer, the light-emitting device can be prevented from being corroded by water and oxygen.
  • the light emitting device further comprises: an encapsulation layer 19, which is arranged on a side of the second electrode away from the substrate.
  • the encapsulation layer may be a TFE (thin film encapsulation layer) or a Filter (glass) encapsulation layer.
  • the shape of the light emitting unit L can be set as required, for example, it can be a rectangle, a triangle, etc. Please refer to Fig. 2, in the light emitting device shown in Fig. 2, the light emitting unit L is a triangle.
  • the substrate of the light-emitting device includes a display area M1, the light-emitting unit L is arranged in the display area M1, and the substrate may further include a binding area M2 for realizing the binding of the light-emitting unit L in the display area M1 with the MDL (module) driving circuit board.
  • the light-emitting device of the embodiment of the present invention may further include: an FPC (Flexible Printed Circuit) connection unit M3, an MDL driving circuit board M4, and a power interface M5.
  • FPC Flexible Printed Circuit
  • the FPC connection unit M3 is used to connect the light-emitting unit L in the display area M1 and the MDL driving circuit board M4, the MDL driving circuit board M4 is used to drive the light-emitting unit L to emit light, and the power interface M5 is used to provide a power signal to the MDL driving circuit board M4.
  • the MDL driving circuit board M4 may include an MCU (micro control unit), a Power IC and a Flash, wherein the MCU may be connected to the CAN (Controller Area Network, The controller area network (CAN) interface controls the Power IC and the Flash to realize the driving function of the light-emitting unit L in the display area M1.
  • MCU micro control unit
  • Power IC Power IC
  • Flash Flash
  • CAN Controller Area Network
  • the controller area network (CAN) interface controls the Power IC and the Flash to realize the driving function of the light-emitting unit L in the display area M1.
  • the FPC connection unit M3 includes a plurality of pins, the pins close to the display area M1 are used to bind to the light-emitting unit L, and the pins close to the MDL driving circuit board M4 are used to bind to the MDL driving circuit board M4, wherein, among the pins close to the MDL driving circuit board M4, the pins with oblique stripes can be set as the lead-out pins of the above-mentioned first electrode, and the four pins at the left and right ends can be used as the lead-out pins of the common electrode, and the remaining pins are used as the lead-out pins of the second electrode.
  • the setting of the pins is not limited to this, as long as the first electrode, the common electrode and the second electrode can be connected to the MDL driving circuit board M4 respectively.
  • the light emitting device in the embodiment of the present invention may be a vehicle lamp or other lighting products.
  • Step 42 forming at least one light-emitting unit on the substrate
  • each of the light-emitting units comprises:
  • a first light-emitting layer is formed on a side of the first electrode away from the substrate;
  • a common electrode is formed on a side of the first light-emitting layer away from the substrate;
  • a second light-emitting layer is formed on a side of the common electrode away from the substrate, the orthographic projection of the second light-emitting layer on the substrate at least partially overlaps with the orthographic projection of the first light-emitting layer on the substrate, and the second light-emitting layer and the first light-emitting layer have the same light-emitting color;
  • the second electrode is formed on a side of the second light-emitting layer away from the substrate.
  • FIG. 5 is a schematic diagram of a method for manufacturing a light emitting device according to another embodiment of the present invention, the method comprising:
  • Step 51 Please refer to FIG. 6 , providing a substrate 11;
  • Step 52 Referring to FIG. 6 , a pattern of a first metal layer is formed on the substrate 11 , wherein the pattern of the first metal layer includes: a first electrode 12 and an electrode lead-out layer of the first electrode 12 (not shown);
  • Step 53 Referring to FIG. 7 , a pattern of a first organic layer is formed, wherein the pattern of the first organic layer includes a pixel definition layer 13 ;
  • Step 54 Referring to FIG. 8 , a first light emitting layer 14 is formed
  • Step 55 Referring to FIG. 9 , a pattern of a second metal layer is formed, wherein the pattern of the second metal layer includes: a common electrode 15 and an electrode lead-out layer of the common electrode 15 (not shown);
  • Step 56 Referring to FIG. 10 , a second inorganic layer 16 is formed
  • Step 57 Referring to FIG. 11 , a second light emitting layer 17 is formed
  • Step 58 Referring to FIG. 12 , a pattern of a third metal layer is formed, wherein the pattern of the third metal layer includes: a second electrode 18 and an electrode lead-out layer of the second electrode 18 (not shown);
  • Step 59 Please refer to FIG. 13 , and form a packaging layer 19 .
  • an embodiment of the present invention further provides a light emitting compensation method, which is applied to the light emitting device in any of the above embodiments.
  • the light emitting compensation method includes:
  • Step 141 When normal display is required, controlling the first light-emitting layer or the second light-emitting layer of the light-emitting unit to emit light;
  • Step 142 When compensation display is required, the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit is controlled to emit light according to a preset compensation display mode.
  • the first light-emitting layer or the second light-emitting layer of the light-emitting unit when normal display is required, can be controlled to emit light as required, or the first light-emitting layer and the second light-emitting layer can be controlled to emit light alternately, thereby increasing the life of the light-emitting device.
  • the first light-emitting layer and the second light-emitting layer can be controlled to emit light simultaneously, thereby increasing the brightness of the light-emitting device.
  • the electrode corresponding to the main light-emitting layer of the light-emitting unit (for example, the first electrode corresponding to the first light-emitting layer) can be controlled to access the pixel voltage signal (main VDD), and the common electrode can be controlled to access the common voltage signal (VSS), that is, the main light layer is controlled to emit light, and the electrode corresponding to the auxiliary light-emitting layer (for example, the second light-emitting layer) of the light-emitting unit is not connected to the signal, and the auxiliary light-emitting layer does not emit light.
  • This situation usually corresponds to the daytime and other conditions with good light.
  • the size of the main VDD and VSS can be adjusted according to actual needs. 1, 2, 3, and 4 in FIG. 15 represent different time periods.
  • the second light-emitting layer can also be the main light-emitting layer and the first light-emitting layer can be the auxiliary light-emitting layer, or, for a period of time, the first light-emitting layer can be the main light-emitting layer and the second light-emitting layer can be the auxiliary light-emitting layer, and for another period of time, the second light-emitting layer can be the main light-emitting layer and the first light-emitting layer can be the auxiliary light-emitting layer.
  • controlling the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit to emit light includes: if the preset compensation display mode is a full compensation mode, controlling the first light-emitting layer and the second light-emitting layer of the light-emitting unit to emit light during the entire light-emitting period of the light-emitting unit.
  • the light layer emits light.
  • the full compensation mode usually corresponds to scenes with relatively dark ambient light, such as at night.
  • the electrode corresponding to the main light-emitting layer of the light-emitting unit (such as the first electrode corresponding to the first light-emitting layer) is controlled to access the first pixel voltage signal (main VDD)
  • the electrode corresponding to the auxiliary light-emitting layer (such as the second electrode corresponding to the second light-emitting layer) is controlled to access the second pixel voltage signal (compensation VDD)
  • the common electrode is controlled to access the common voltage signal (VSS), that is, the first light-emitting layer and the second light-emitting layer are controlled to emit light.
  • the first pixel voltage signal (main VDD) and the second pixel voltage signal (compensation VDD) are the same, that is, the voltages are the same.
  • the two can also be different voltages.
  • controlling the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit to emit light includes: if the preset compensation display mode is a partial compensation mode, in the first light-emitting period of the light-emitting unit, controlling the first light-emitting layer or the second light-emitting layer to emit light, and in the second light-emitting period of the light-emitting unit, controlling the first light-emitting layer and the second light-emitting layer of the light-emitting unit to emit light.
  • the partial compensation mode usually corresponds to scenes with relatively dark ambient light, such as at night.
  • the preset compensation display mode is a partial compensation mode
  • the electrode corresponding to the main light-emitting layer of the light-emitting unit (such as the first electrode corresponding to the first light-emitting layer) is controlled to be connected to the first pixel voltage signal (main VDD)
  • the common electrode is controlled to be connected to the common voltage signal (VSS)
  • the electrode corresponding to the auxiliary light-emitting layer (such as the second electrode corresponding to the second light-emitting layer) is not connected to the signal, that is, the first light-emitting layer emits light, and the second light-emitting layer does not emit light
  • the electrode corresponding to the main light-emitting layer of the light-emitting unit (such as the first electrode corresponding to the first light-emitting layer) is controlled to be connected to the first pixel voltage signal (main VDD)
  • the common electrode is controlled to be connected to the common voltage signal (VSS)
  • the electrode corresponding to the auxiliary light-emitting layer (such as
  • the first pixel voltage signal (main VDD) and the second pixel voltage signal (compensation VDD) are the same, that is, the voltages are the same.
  • the two can also be different voltages.
  • the second light-emitting layer can also be the main light-emitting layer
  • the first light-emitting layer can be the auxiliary light-emitting layer
  • the first light-emitting layer is the main light-emitting layer and the second light-emitting layer is the auxiliary light-emitting layer
  • the second light-emitting layer is the main light-emitting layer and the first light-emitting layer is the auxiliary light-emitting layer.
  • auxiliary light-emitting layer As auxiliary light-emitting layer.
  • controlling the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit to emit light includes:
  • the preset compensation display mode is the full compensation mode
  • the PWM pulse signal corresponding to the main light-emitting layer is at a high level
  • the first light-emitting layer and the second light-emitting layer of the light-emitting unit are controlled to emit light
  • the PWM pulse signal is at a low level
  • the first light-emitting layer and the second light-emitting layer are controlled not to emit light
  • the main light-emitting layer is the first light-emitting layer or the second light-emitting layer
  • the PWM pulse signal corresponding to the main light-emitting layer is a high level, controlling the first light-emitting layer and the second light-emitting layer of the light-emitting unit to emit light; in the second time period, the PWM pulse signal corresponding to the main light-emitting layer is a low level, controlling the first light-emitting layer and the second light-emitting layer of the light-emitting unit to emit light; in the fourth time period, the PWM pulse signal corresponding to the main light-emitting layer is a low level, controlling the first light-emitting layer and the second light-emitting layer of the light-emitting unit not to emit light; the first time period, the second time period, the third time period and the fourth time period are set in sequence, and the main light-emitting layer is the first light-emitting layer or the
  • the second light-emitting layer can also be the main light-emitting layer and the first light-emitting layer can be the auxiliary light-emitting layer, or, for a period of time, the first light-emitting layer is the main light-emitting layer and the second light-emitting layer is the auxiliary light-emitting layer, and for another period of time, the second light-emitting layer is the main light-emitting layer and the first light-emitting layer is the auxiliary light-emitting layer.
  • the light-emitting unit adopts the PWM mode to emit light, and the preset compensation display mode is the full compensation mode, in the first time period and the third time period (time periods 1 and 3), when the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is at a high level, the pixel voltage signal (compensation VDD) connected to the electrode corresponding to the auxiliary light-emitting layer (such as the second light-emitting layer) is also controlled to be at a high level, and the common electrode is controlled to be connected to a low level (VSS), that is, the first light-emitting layer and the second light-emitting layer both emit light; in the second time period (time period 2), when the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is at a low level, the pixel voltage signal (compensation VDD) connected to the electrode
  • the fourth time period when the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is at a low level, the pixel voltage signal (compensation VDD) connected to the electrode corresponding to the auxiliary light-emitting layer (such as the second light-emitting layer) is also at a low level, and the common electrode is controlled to be connected to a low level (VSS), that is, the first light-emitting layer and the second light-emitting layer are not luminous.
  • the first time period, the second time period, the third time period and the fourth time period are set in sequence.
  • the second light-emitting layer can also be the main light-emitting layer and the first light-emitting layer can be the auxiliary light-emitting layer, or, for a period of time, the first light-emitting layer is used as the main light-emitting layer and the second light-emitting layer is used as the auxiliary light-emitting layer, and for another period of time, the second light-emitting layer is used as the main light-emitting layer and the first light-emitting layer is used as the auxiliary light-emitting layer.
  • the light-emitting unit adopts PWM mode to emit light, and the preset compensation display mode is a partial compensation mode
  • the PWM pulse signal corresponding to the main light-emitting layer is at a high level, and the main light-emitting layer is controlled to emit light
  • the PWM pulse signal corresponding to the main light-emitting layer is at a low level, and the first light-emitting layer and the second light-emitting layer are controlled not to emit light
  • the third time period the PWM pulse signal corresponding to the main light-emitting layer is at a high level, and the first light-emitting layer and the second light-emitting layer are controlled to emit light
  • the fourth time period the PWM pulse signal corresponding to the main light-emitting layer is at a low level, and the first light-emitting layer and the second light-emitting layer are controlled not to emit light
  • the light-emitting unit adopts PWM mode to emit light
  • the preset compensation display mode is a partial compensation mode
  • the PWM pulse signal (main VDD) corresponding to the main light-emitting layer such as the first light-emitting layer
  • the electrode corresponding to the auxiliary light-emitting layer such as the second electrode corresponding to the second light-emitting layer
  • the common electrode is controlled to be connected to a low level (VSS).
  • the main light-emitting layer emits light, and the auxiliary light-emitting layer does not emit light; in the second light-emitting period, the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is low, and the electrode corresponding to the auxiliary light-emitting layer (such as the second electrode corresponding to the second light-emitting layer) is controlled to be connected to a low level (compensation VDD), and the common electrode is controlled to be connected to a low level (VSS).
  • main VDD main light-emitting layer
  • the electrode corresponding to the auxiliary light-emitting layer such as the second electrode corresponding to the second light-emitting layer
  • VDD low level
  • VSS low level
  • the second light-emitting layer can also be the main light-emitting layer and the first light-emitting layer can be the auxiliary light-emitting layer, or, in a period of time, the first light-emitting layer is the main light-emitting layer and the second light-emitting layer is the auxiliary light-emitting layer, and in another period of time, the second light-emitting layer is the main light-emitting layer and the first light-emitting layer is the auxiliary light-emitting layer.
  • the light-emitting unit adopts PWM mode to emit light, and the preset compensation display mode is partial compensation mode
  • the PWM pulse signal (main VDD) corresponding to the main light-emitting layer is high level
  • the electrode corresponding to the auxiliary light-emitting layer is controlled to be connected to the low level (compensation VDD)
  • the common electrode is controlled to be connected to the low level (compensation VDD).
  • the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is low level, and the electrode corresponding to the auxiliary light-emitting layer (such as the second electrode corresponding to the second light-emitting layer) is controlled to be connected to the low level (compensation VDD), and the common electrode is controlled to be connected to the high level (VSS), and the main light-emitting layer and the auxiliary light-emitting layer both emit light;
  • the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is high level, and the control
  • the electrode corresponding to the auxiliary light-emitting layer (such as the second electrode corresponding to the second light-emitting layer) is connected to a high level (compensation VDD), and the common electrode is controlled to be connected to a low level (VSS), and the main light-
  • the first time period, the second time period, the third time period and the fourth time period are set in sequence.
  • the second light-emitting layer can also be the main light-emitting layer and the first light-emitting layer can be the auxiliary light-emitting layer, or, in a period of time, the first light-emitting layer is the main light-emitting layer and the second light-emitting layer is the auxiliary light-emitting layer, and in another period of time, the second light-emitting layer is the main light-emitting layer and the first light-emitting layer is the auxiliary light-emitting layer.
  • the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit is controlled to emit light, including: if the light-emitting unit adopts a PWM mode to emit light, and the preset compensation display mode is an alternating compensation mode, in a first time period, the PWM pulse signal corresponding to the main light-emitting layer is a high level, and the main light-emitting layer of the light-emitting unit is controlled to emit light; in a second time period, the PWM pulse signal corresponding to the main light-emitting layer is a low level, and the auxiliary light-emitting layer of the light-emitting unit is controlled to emit light, and the first time period and the second time period are alternately arranged; the main light-emitting layer is one of the first light-emitting layer and the second light-emitting layer, and the auxiliary light-emitting layer is the other of the first light-emitting layer
  • the first light-emitting layer and/or the second light-emitting layer of the light-emitting unit is controlled to emit light, including: if the light-emitting unit is illuminated in PWM mode, and the preset compensation display mode is the alternating compensation mode, in the first time period (time period 1), the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is high level, the electrode corresponding to the auxiliary light-emitting layer (such as the second electrode corresponding to the second light-emitting layer) is controlled to be connected to a low level (compensation VDD), and the common electrode is controlled to be connected to a low level (VSS), the main light-emitting layer emits light, and the auxiliary light-emitting layer does not emit light; in the second time period (time period 2), the PWM pulse signal (main VDD) corresponding to the main light-emitting layer
  • the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is high level, controls the electrode corresponding to the auxiliary light-emitting layer (such as the second electrode corresponding to the second light-emitting layer) to be connected to a low level (compensation VDD), controls the common electrode to be connected to a low level (VSS), the main light-emitting layer emits light, and the auxiliary light-emitting layer emits light; in the third time period (time period 3), the PWM pulse signal (main VDD) corresponding to the main light-emitting layer (such as the first light-emitting layer) is high level, controls the electrode corresponding to the auxiliary light-emitting layer (such as the second electrode corresponding to the second light-emitting layer) to be connected to a low level (compensation VDD), controls the common electrode to be connected to a low level (VSS), the main light-emitting layer emits light, and the auxiliary
  • the second light-emitting layer can also be the main light-emitting layer, and the first light-emitting layer can be the auxiliary light-emitting layer, or, for a period of time, the first light-emitting layer can be the main light-emitting layer and the second light-emitting layer can be the auxiliary light-emitting layer, and for another period of time, the second light-emitting layer can be the main light-emitting layer and the first light-emitting layer can be the auxiliary light-emitting layer.

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Abstract

本发明提供一种发光器件、发光补偿方法及电子设备，该发光器件包括：基底和设置于基底上的至少一个发光单元；每个发光单元包括：第一电极；第一发光层；共用电极；第二发光层，第二发光层在基底上的正投影与第一发光层在基底上的正投影至少部分重叠，第二发光层与第一发光层的发光颜色相同；第二电极。该发光补偿方法包括：在需要正常显示时，控制发光单元的第一发光层或第二发光层发光；在需要补偿显示时，根据预设的补偿显示模式，控制发光单元的第一发光层和/或第二发光层发光。本发明可以提高发光器件的亮度和寿命。

Description

发光器件、发光补偿方法及电子设备
相关申请的交叉引用
本申请主张在2023年01月16日在中国提交的中国专利申请号No.202310066428.5的优先权，其全部内容通过引用包含于此。
技术领域
本发明实施例涉及显示技术领域，尤其涉及一种发光器件、发光补偿方法及电子设备。
背景技术
现有的OLED(有机发光二极管)发光器件，例如车灯或照明设备等，在高亮度和长寿命上表现不佳。
发明内容
本发明实施例提供一种发光器件、发光补偿方法及电子设备，用于解决OLED发光器件在高亮度和长寿命上表现不佳的问题。
为了解决上述技术问题，本发明是这样实现的：
第一方面，本发明实施例提供了一种发光器件，包括：
基底，以及，设置于所述基底上的至少一个发光单元；
其中，每个所述发光单元包括：
第一电极；
第一发光层，设置于所述第一电极远离所述基底的一侧；
共用电极，设置于所述第一发光层远离所述基底的一侧；
第二发光层，设置于所述共用电极远离所述基底的一侧，所述第二发光层在所述基底上的正投影与所述第一发光层在所述基底上的正投影至少部分重叠，所述第二发光层与所述第一发光层的发光颜色相同；
第二电极，设置于所述第二发光层远离所述基底的一侧。
可选的，所述第一电极为高透过率电极；
所述第二电极为高反射率电极；
所述第一电极的厚度小于所述第二电极的厚度；
或者，
所述第一电极为高反射率电极；
所述第二电极为高透过率电极；
所述第二电极的厚度小于所述第一电极的厚度。
可选的，所述第二发光层在所述基底上的正投影区域的面积小于所述第一发光层在所述基底上的正投影区域的面积。
可选的，所述第二发光层在所述基底上的正投影区域位于所述第一发光层在所述基底上的正投影区域内。
可选的，所述发光器件还包括：
第一无机层，设置于所述第一电极远离所述基底的一侧；
第二无机层，设置于所述共用电极远离所述基底的一侧，用于覆盖所述共用电极的边缘部分。
第二方面，本发明实施例提供了一种发光补偿方法应用于上述第一方面所述的发光器件，所述发光补偿方法包括：
在需要正常显示时，控制所述发光单元的第一发光层或第二发光层发光；
在需要补偿显示时，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光。
可选的，根据预设的显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
若所述预设补偿显示模式为全补偿模式时，在所述发光单元的整个发光时段，控制所述发光单元的第一发光层和第二发光层发光。
可选的，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
若所述预设补偿显示模式为部分补偿模式时，在所述发光单元的第一发光时段，控制所述第一发光层或第二发光层发光，在所述发光单元的第二发光时段，控制所述发光单元的第一发光层和第二发光层发光。
可选的，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/ 或第二发光层发光，包括：
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为全补偿模式时，主发光层对应的PWM脉冲信号为高电平时，控制所述发光单元的第一发光层和第二发光层发光，在所述PWM脉冲信号为低电平时，控制所述第一发光层和所述第二发光层均不发光；所述主发光层为所述第一发光层或第二发光层；
或者
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为全补偿模式时，在第一时段和第三时段，主发光层对应的PWM脉冲信号为高电平，控制所述发光单元的第一发光层和第二发光层均发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均不发光；所述第一时段、第二时段、第三时段和第四时段依次设置，所述主发光层为所述第一发光层或第二发光层。
可选的，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为部分补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制所述主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和第二发光层均不发光；在第三时段，主发光层对应的PWM脉冲信号为高电平，控制所述第一发光层和所述第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和所述第二发光层均不发光，所述第一时段、第二时段、第三时段和第四时段依次设置；所述主发光层为所述第一发光层或第二发光层；或者
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为部分补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制所述主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均发光；在第三时段，主发光 层对应的PWM脉冲信号为高电平，控制所述第一发光层和第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和第二发光层均不发光；所述第一时段、第二时段、第三时段和第四时段依次设置；所述主发光层为所述第一发光层或第二发光层。
可选的，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为交替补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制所述发光单元的主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的辅发光层发光，所述第一时段和第二时段交替设置；所述主发光层为所述第一发光层和第二发光层其中之一，所述辅发光层为所述第一发光层和第二发光层其中另一。
可选的，所述发光器件包括多个发光单元，其中，至少部分所述发光单元的补偿显示模式不同。
第三方面，本发明实施例提供了一种电子设备，包括：处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序，所述程序被所述处理器执行时实现如上述第一方面所述的发光补偿方法的步骤。
第四方面，本发明实施例提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如上述第一方面所述的发光补偿方法的步骤。
在本发明实施例中，通过设置共用电极和位于共用电极两侧的第一发光层和第二发光层，正常显示不需要补偿时，可以只控制第一发光层或第二发光层发光，在需要进行亮度补偿时，例如在黑暗的环境下，可以同时控制第一发光层和第二发光层发光，从而提高发光器件的亮度，同时还可以提高发光器件的寿命。
附图说明
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的， 而并不认为是对本发明的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1为本发明实施例的发光器件的结构示意图之一；
图2为本发明实施例的发光器件的结构示意图之二；
图3为本发明实施例的发光器件的结构示意图之三；
图4为本发明实施例的发光器件的制作方法的流程示意图之一；
图5为本发明实施例的发光器件的制作方法的流程示意图之二；
图6-图13为本发明实施例的发光器件的制作方法的流程示意图之三；
图14为本发明实施例的发光补偿方法的流程示意图；
图15-图22为本发明实施例的发光器件的驱动信号的时序图；
附图标记说明：
11，基底；12，第一电极；13，像素定义层；14，第一发光层；15，共用电极；16，第二无机层；17，第二发光层；18，第二电极；19，封装层；L，发光单元。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参考图1，本发明实施例提供一种发光器件，包括：
基底11，以及，设置于所述基底11上的至少一个发光单元L；
其中，每个所述发光单元L包括：
第一电极12；
第一发光层14，设置于所述第一电极12远离所述基底11的一侧；
共用电极15，设置于所述第一发光层14远离所述基底11的一侧；
第二发光层17，设置于所述共用电极15远离所述基底11的一侧，所述第二发光层17在所述基底11上的正投影与所述第一发光层14在所述基底11上的正投影至少部分重叠，所述第二发光层17与所述第一发光层14的发光 颜色相同；
第二电极18，设置于所述第二发光层17远离所述基底11的一侧。
在本发明实施例中，通过设置共用电极和位于共用电极两侧的第一发光层和第二发光层，正常显示不需要补偿时，可以只控制第一发光层或第二发光层发光，在需要进行亮度补偿时，例如在黑暗的环境下，可以同时控制第一发光层和第二发光层发光，从而提高发光器件的亮度，同时还可以提高发光器件的寿命。
其中，所述基底11可以采用玻璃(glass)等刚性材料形成，也可以采用柔性材料形成，例如PI(聚酰亚胺)材料，从而形成柔性基底，当采用柔性基底时，通常还需要在柔性基底上设置缓冲层(buffer层)，以提高阻水能力，所述缓冲层例如可以采用SiNOx或SiNx形成。
所述第一电极12也可以称为阳极，可以采用金属或者金属氧化物形成，例如，采用Ti-Al-Ti(钛-铝-钛)或ITO(氧化铟锡)等形成。本发明实施例中，若所述发光器件为底发射型发光器件，则所述第一电极12为高透过率电极，高透过率电极是指所述第一电极12的光线透过率大于第一预设阈值，例如光线透过率大于90％。若所述发光器件为顶发射型发光器件，则所述第一电极12为不透明电极，例如为高反射率电极，高反射率电极是指所述第一电极12的光线反射率大于第二预设阈值，例如光线反射率大于95％。在本发明的一些实施例中，所述发光器件还可以包括：与所述第一电极12同层同材料设置的电极引出层、接地端(GND)等。
所述发光器件可以包括多个发光单元L，所述多个发光单元L中可以包括多种颜色的发光单元L，例如，包括红色发光单元，绿色发光单元和蓝色发光单元。同一个发光单元L内的第一发光层和第二发光层的发光颜色相同。
所述共用电极15是第一发光层14和第二发光层17的共用电极，也可以称为阴极，所述共用电极15可以采用金属或者金属氧化物形成，例如，采用Ti-Al-Ti或ITO等形成。共用电极15不仅可以形成叠加的发光单元，同时还可以减少掩膜(mask)数量，降低生产成本。
所述第二电极18也可以称为阳极。本发明实施例中，若所述发光器件为底发射型发光器件，则所述第二电极18为不透明电极，例如为高反射率电极，， 高反射率电极是指所述第二电极18的光线反射率大于第二预设阈值，例如光线反射率大于95％。若所述发光器件为顶发射型发光器件，则所述第二电极18则为高透过率电极，高透过率电极是指所述第二电极18的光线透过率大于第一预设阈值，例如光线透过率大于90％。
也就是说，可选的，若所述发光器件为底发射型发光器件，所述第一电极为高透过率电极，所述第二电极为高反射率电极；若所述发光器件为顶发射型发光器件，所述第一电极为高反射率电极，所述第二电极为高透过率电极。
本发明实施例中，若所述第一电极为高透过率电极，所述第二电极为高反射率电极，可选的，所述第一电极的厚度小于所述第二电极的厚度，由于第一电极的厚度较小，因而可以进一步提高透过率，而，第二电极的厚度较大，因而可以进一步提高反射率。
本发明实施例中，若所述第一电极为高反射率电极，所述第二电极为高透过率电极，可选的，所述第二电极的厚度小于所述第一电极的厚度，由于第而电极的厚度较小，因而可以进一步提高透过率，而，第一电极的厚度较大，因而可以进一步提高反射率。本发明实施例中，第一发光层和第二发光层其中一个可以称为主发光层，另一个作为辅发光层，主发光层是用于主要发光的，辅发光层是用于辅助发光侧。
可选的，若所述第一发光层为主发光层，第二发光层为辅发光层，所述第二发光层在所述基底上的正投影区域的面积小于所述第一发光层在所述基底上的正投影区域的面积。也就是说，由于主发光层是主要发光部件，因而将主发光层的面积设置的较大，而辅发光层是辅助发光器件，因而可以将面积设置的较小。
可选的，若所述第一发光层为主发光层，第二发光层为辅发光层，所述第二发光层在所述基底上的正投影区域位于所述第一发光层在所述基底上的正投影区域内，该种设置方式下，第二发光层完全与第一发光层重叠，可以提高发光效率。
本发明实施例中，可选的，所述发光器件还包括：像素定义层13，设置于所述第一电极12远离所述基底11的一侧，所述像素定义层13限定出至少 一个发光区域，每个所述发光区域对应一个所述发光单元L。
本发明实施例中，可选的，所述像素定义层13采用有机材料形成。例如，可以选用PI等材料。
本发明实施例中，可选的，所述发光器件还包括：
第一无机层(图未示出)，设置于所述第一电极12远离所述基底11的一侧；用于覆盖与所述第一电极12同层同材料设置的电极引出层、接地端等的边缘，用于对电极引出层、接地端等进行保护。所述第一无机层可以采用SiNOx、SiNx等材料形成。
第二无机层16，设置于所述共用电极15远离所述基底11的一侧，用于覆盖所述共用电极15的边缘部分，对所述共用电极15进行保护。所述第二无机层16可以采用SiNOx、SiNx等材料形成。
通过上述第一无机层、第二无机层的设置，可以避免发光器件受到水氧的侵蚀。
本发明实施例中，可选的，所述发光器件还包括：封装层19，设置于所述第二电极远离所述基底的一侧。所述封装层可以为TFE(薄膜封装层)，也可以为Filter(玻璃)封装层。
本发明实施例中，所述发光单元L的形状可以根据需要设置，例如可以为矩形，三角形等。请参考图2，图2所示的发光器件中，发光单元L为三角形。
本发明实施例中，请参考图3，所述发光器件的基底包括显示区域M1，所述发光单元L设置于所述显示区域M1内，所述基底还可以包括绑定区域M2，用于实现显示区域M1内的发光单元L与MDL(模组)驱动电路板的绑定。此外，本发明实施例的发光器件还可以包括：FPC(Flexible Printed Circuit，柔性电路板)连接单元M3、MDL驱动电路板M4以及电源接口M5。其中，FPC连接单元M3用于连接所述显示区域M1内发光单元L和MDL驱动电路板M4，所述MDL驱动电路板M4用于驱动所述发光单元L发光，所述电源接口M5用于向所述MDL驱动电路板M4提供电源信号。
本发明实施例中，所述MDL驱动电路板M4可以包括MCU(微控制单元)、Power IC和Flash，其中，MCU可以通过CAN(Controller Area Network， 控制器域网)接口对Power IC和Flash进行控制，以实现对显示区域M1内的发光单元L的驱动功能。
图3所示的发光器件中，FPC连接单元M3包括多个引脚(pin)，靠近显示区域M1的引脚用于与发光单元L绑定，靠近MDL驱动电路板M4的引脚用于与MDL驱动电路板M4绑定，其中，靠近MDL驱动电路板M4的各引脚中，斜条纹的引脚可以设置于上述第一电极的引出引脚，而，左右两端的4个引脚可以作为共用电极的引出引脚，剩余的引脚作为第二电极的引出引脚。当然，引脚的设置并不限于此，只要能够将第一电极、共用电极和第二电极分别与MDL驱动电路板M4连接即可。
本发明实施例的发光器件可以为车灯或者其他照明产品。
请参考图4，本发明实施例还提供一种发光器件的制作方法，包括：
步骤41：提供一基底；
步骤42：在所述基底上形成至少一个发光单元；
其中，每个所述发光单元包括：
第一电极；
第一发光层，形成于所述第一电极远离所述基底的一侧；
共用电极，形成于所述第一发光层远离所述基底的一侧；
第二发光层，形成于所述共用电极远离所述基底的一侧，所述第二发光层在所述基底上的正投影与所述第一发光层在所述基底上的正投影至少部分重叠，所述第二发光层与所述第一发光层的发光颜色相同；
第二电极，形成于所述第二发光层远离所述基底的一侧。
请参考图5，图5为本发明另一实施例的发光器件的制作方法示意图，该方法包括：
步骤51：请参考图6，提供一基底11；
步骤52：请参考图6，在所述基底11上形成第一金属层的图形，所述第一金属层的图形包括：第一电极12和第一电极12的电极引出层(图未示出)；
步骤53：请参考图7，形成第一有机层的图形，所述第一有机层的图形包括像素定义层13；
步骤54：请参考图8，形成第一发光层14；
步骤55：请参考图9，形成第二金属层的图形，所述第二金属层的图形包括：共用电极15和共用电极15的电极引出层(图未示出)；
步骤56：请参考图10，形成第二无机层16；
步骤57：请参考图11，形成第二发光层17；
步骤58：请参考图12，形成第三金属层的图形，所述第三金属层的图形包括：第二电极18和第二电极18的电极引出层(图未示出)；
步骤59：请参考图13，形成封装层19。
请参考图14，本发明实施例还提供一种发光补偿方法，应用于上述任一实施例中的发光器件，所述发光补偿方法包括：
步骤141：在需要正常显示时，控制所述发光单元的第一发光层或第二发光层发光；
步骤142：在需要补偿显示时，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光。
本发明实施例中，在需要正常显示时，可以根据需要控制发光单元的第一发光层或第二发光层发光，或者，控制第一发光层和第二发光层交替发光，从而提高发光器件的寿命。在需要补偿显示时，可以控制第一发光层和第二发光层同时发光，从而提高发光器件的亮度。
一些实施例中，请参考图15，在需要正常显示时，可以控制所述发光单元的主发光层对应的电极(例如第一发光层对应的第一电极)接入像素电压信号(主VDD)，控制所述共用电极接入公共电压信号(VSS)，即控制主光层发光，发光单元的辅发光层(例如第二发光层)对应的电极不接入信号，辅发光层不发光，该种情况通常对应白天等光线比较好的情况，主VDD和VSS的大小可以根据实际需要调整。图15中1,2,3,4表示不同的时间段。当然，第二发光层也可以为主发光层，第一发光层为辅发光层，或者，一段时间内，第一发光层作为主发光层，第二发光层作为辅发光层，另一段时间内，第二发光层作为主发光层，第一发光层作为辅发光层。
在一些实施例中，根据预设的显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：若所述预设补偿显示模式为全补偿模式时，在所述发光单元的整个发光时段，控制所述发光单元的第一发光层和第二发 光层发光。全补偿模式通常对应黑夜等环境光比较暗的场景。
一些实施例中，请参考图16，若所述预设补偿显示模式为全补偿模式时，在所述发光单元的整个发光时段，控制所述发光单元的主发光层对应的电极(如第一发光层对应的第一电极)接入第一像素电压信号(主VDD)，控制辅发光层对应的电极(如第二光层对应的第二电极)接入第二像素电压信号(补偿VDD)，控制所述共用电极接入公共电压信号(VSS)，即控制第一发光层和第二发光层均发光。图16中，第一像素电压信号(主VDD)和第二像素电压信号(补偿VDD)相同，即电压相同，当然，在本发明的其他一些实施例中，两者也可以是不同的电压。
在一些实施例中，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：若所述预设补偿显示模式为部分补偿模式时，在所述发光单元的第一发光时段，控制所述第一发光层或第二发光层发光，在所述发光单元的第二发光时段，控制所述发光单元的第一发光层和第二发光层发光。部分补偿模式通常对应黑夜等环境光比较暗的场景。
一些实施例中，请参考图17，若所述预设补偿显示模式为部分补偿模式时，在所述发光单元的第一发光时段(时段1)，控制所述发光单元的主发光层对应的电极(如第一发光层对应的第一电极)接入第一像素电压信号(主VDD)，控制所述共用电极接入公共电压信号(VSS)，辅发光层对应的电极(如第二发光层对应的第二电极)不接入信号，即第一发光层发光，第二发光层不发光；在所述发光单元的第二发光时段(时段2,3)，控制所述发光单元的主发光层对应的电极(如第一发光层对应的第一电极)接入第一像素电压信号(主VDD)，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入第二像素电压信号(补偿VDD)，控制所述共用电极接入公共电压信号(VSS)，即第一发光层和第二发光层均发光。图17中，在所述发光单元的第二发光时段(时段2,3)，第一像素电压信号(主VDD)和第二像素电压信号(补偿VDD)相同，即电压相同，当然，在本发明的其他一些实施例中，两者也可以是不同的电压。当然，第二发光层也可以为主发光层，第一发光层为辅发光层，或者，一段时间内，第一发光层作为主发光层，第二发光层作为辅发光层，另一段时间内，第二发光层作为主发光层，第一发光层 作为辅发光层。
一些实施例中，根据预设的显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为全补偿模式时，主发光层对应的PWM脉冲信号为高电平时，控制所述发光单元的第一发光层和第二发光层发光，在所述PWM脉冲信号为低电平时，控制所述第一发光层和所述第二发光层均不发光；所述主发光层为所述第一发光层或第二发光层；
或者
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为全补偿模式时，在第一时段和第三时段，主发光层对应的PWM脉冲信号为高电平，控制所述发光单元的第一发光层和第二发光层均发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均不发光；所述第一时段、第二时段、第三时段和第四时段依次设置，所述主发光层为所述第一发光层或第二发光层。
请参考图18，若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为全补偿模式时，在第一时段(时段1和3)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为高电平时，控制辅发光层(如第二发光层)对应的电极接入的像素电压信号(补偿VDD)也为高电平，控制所述共用电极接入低电平(VSS)，即第一发光层和第二发光层均发光；在第二时段(时段2和4)，在主发光层(如第一发光层)对应的PWM脉冲信号为低电平时，控制辅发光层(如第二发光层)对应的电极接入的像素电压信号(补偿VDD)也为低电平，控制所述共用电极接入低电平(VSS)，所述第一发光层和所述第二发光层均不发光。当然，第二发光层也可以为主发光层，第一发光层为辅发光层，或者，一段时间内，第一发光层作为主发光层，第二发光层作为辅发光层，另一段时间内，第二发光层作为主发光层，第一发光层作为辅发光层。
请参考图19，若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为全补偿模式时，在第一时段和第三时段(时段1和3)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为高电平时，控制辅发光层(如第二发光层)对应的电极接入的像素电压信号(补偿VDD)也为高电平，控制所述共用电极接入低电平(VSS)，即第一发光层和第二发光层均发光；在第二时段(时段2)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为低电平时，控制辅发光层(如第二发光层)对应的电极接入的像素电压信号(补偿VDD)也为低电平，控制所述共用电极接入高电平(VSS)，即第一发光层和第二发光层也均发光。在第四时段(时段4)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为低电平时，控制辅发光层(如第二发光层)对应的电极接入的像素电压信号(补偿VDD)也为低电平，控制所述共用电极接入低电平(VSS)，即第一发光层和第二发光层均不发光。所述第一时段、第二时段、第三时段和第四时段依次设置。当然，第二发光层也可以为主发光层，第一发光层为辅发光层，或者，一段时间内，第一发光层作为主发光层，第二发光层作为辅发光层，另一段时间内，第二发光层作为主发光层，第一发光层作为辅发光层。
一些实施例中，根据预设的显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为部分补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制所述主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和第二发光层均不发光；在第三时段，主发光层对应的PWM脉冲信号为高电平，控制所述第一发光层和所述第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和所述第二发光层均不发光，所述第一时段、第二时段、第三时段和第四时段依次设置；所述主发光层为所述第一发光层或第二发光层；
或者
若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为部分补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制 所述主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均发光；在第三时段，主发光层对应的PWM脉冲信号为高电平，控制所述第一发光层和第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和第二发光层均不发光；所述第一时段、第二时段、第三时段和第四时段依次设置；所述主发光层为所述第一发光层或第二发光层。
请参考图20，若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为部分补偿模式时，在第一时段(时段1)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为高电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述主发光层发光，辅发光层不发光；在第二发光时段，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为低电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入低电平(VSS)，第一发光层和第二发光层均不发光；在第三时段(时段3)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为高电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入高电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述第一发光层和所述第二发光层均发光；在第四时段(时段4)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为低电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述第一发光层和所述第二发光层均不发光；所述第一时段、第二时段、第三时段和第四时段依次设置。当然，第二发光层也可以为主发光层，第一发光层为辅发光层，或者，一段时间内，第一发光层作为主发光层，第二发光层作为辅发光层，另一段时间内，第二发光层作为主发光层，第一发光层作为辅发光层。
请参考图21，若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为部分补偿模式时，在第一时段(时段1)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为高电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入 低电平(VSS)，所述主发光层发光，辅发光层不发光；在第二时段(时段2)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为低电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入高电平(VSS)，所述主发光层和辅发光层均发光；在第三时段(时段3)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为高电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入高电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述主发光层和辅发光层均发光；在第四时段(时段4)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为低电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述主发光层和辅发光层均不发光。所述第一时段、第二时段、第三时段和第四时段依次设置。当然，第二发光层也可以为主发光层，第一发光层为辅发光层，或者，一段时间内，第一发光层作为主发光层，第二发光层作为辅发光层，另一段时间内，第二发光层作为主发光层，第一发光层作为辅发光层。
一些实施例中，根据预设的显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为交替补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制所述发光单元的主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的辅发光层发光，所述第一时段和第二时段交替设置；所述主发光层为所述第一发光层和第二发光层其中之一，所述辅发光层为所述第一发光层和第二发光层其中另一。
请参考图22，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为交替补偿模式时，在第一时段(时段1)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为高电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述主发光层发光，辅发光层不发光；在第二时段(时段2)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD) 为低电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入高电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述主发光层不发光，辅发光层发光；在第三时段(时段3)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为高电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述主发光层发光，辅发光层不发光；在第四时段(时段4)，主发光层(如第一发光层)对应的PWM脉冲信号(主VDD)为低电平，控制辅发光层对应的电极(如第二发光层对应的第二电极)接入低电平(补偿VDD)，控制共用电极接入低电平(VSS)，所述主发光层和辅发光层均不发光；所述第一时段、第二时段、第三时段和第四时段依次设置。当然，第二发光层也可以为主发光层，第一发光层为辅发光层，或者，一段时间内，第一发光层作为主发光层，第二发光层作为辅发光层，另一段时间内，第二发光层作为主发光层，第一发光层作为辅发光层。
本发明实施例中，可以采用多种不同的补偿显示模式，以根据不同的情况对发光器件进行不同补偿显示模式的补偿，提高发光器件的亮度。
一些实施例中，所述发光器件包括多个发光单元，其中，至少部分所述发光单元的补偿显示模式不同。
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本发明的保护之内。

Claims (13)

  1. 一种发光器件，其特征在于，包括：
    基底，以及，设置于所述基底上的至少一个发光单元；
    其中，每个所述发光单元包括：
    第一电极；
    第一发光层，设置于所述第一电极远离所述基底的一侧；
    共用电极，设置于所述第一发光层远离所述基底的一侧；
    第二发光层，设置于所述共用电极远离所述基底的一侧，所述第二发光层在所述基底上的正投影与所述第一发光层在所述基底上的正投影至少部分重叠，所述第二发光层与所述第一发光层的发光颜色相同；
    第二电极，设置于所述第二发光层远离所述基底的一侧。
  2. 根据权利要求1所述的发光器件，其特征在于，所述第一电极为高透过率电极；
    所述第二电极为高反射率电极；
    所述第一电极的厚度小于所述第二电极的厚度；
    或者，
    所述第一电极为高反射率电极；
    所述第二电极为高透过率电极；
    所述第二电极的厚度小于所述第一电极的厚度。
  3. 根据权利要求1所述的发光器件，其特征在于，所述第二发光层在所述基底上的正投影区域的面积小于所述第一发光层在所述基底上的正投影区域的面积。
  4. 根据权利要求3所述的发光器件，其特征在于，所述第二发光层在所述基底上的正投影区域位于所述第一发光层在所述基底上的正投影区域内。
  5. 根据权利要求1所述的发光器件，其特征在于，还包括：
    第一无机层，设置于所述第一电极远离所述基底的一侧；
    第二无机层，设置于所述共用电极远离所述基底的一侧，用于覆盖所述共用电极的边缘部分。
  6. 一种发光补偿方法，其特征在于，应用于如权利要求1-5任一项所述的发光器件，所述发光补偿方法包括：
    在需要正常显示时，控制所述发光单元的第一发光层或第二发光层发光；
    在需要补偿显示时，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光。
  7. 根据权利要求6所述的发光补偿方法，其特征在于，根据预设的显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
    若所述预设补偿显示模式为全补偿模式时，在所述发光单元的整个发光时段，控制所述发光单元的第一发光层和第二发光层发光。
  8. 根据权利要求6所述的发光补偿方法，其特征在于，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
    若所述预设补偿显示模式为部分补偿模式时，在所述发光单元的第一发光时段，控制所述第一发光层或第二发光层发光，在所述发光单元的第二发光时段，控制所述发光单元的第一发光层和第二发光层发光。
  9. 根据权利要求6所述的发光补偿方法，其特征在于，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
    若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为全补偿模式时，主发光层对应的PWM脉冲信号为高电平时，控制所述发光单元的第一发光层和第二发光层发光，在所述PWM脉冲信号为低电平时，控制所述第一发光层和所述第二发光层均不发光；所述主发光层为所述第一发光层或第二发光层；
    或者
    若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为全补偿模式时，在第一时段和第三时段，主发光层对应的PWM脉冲信号为高电平，控制所述发光单元的第一发光层和第二发光层均发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均不发光；所述第一时段、第二时段、第三时段和第四时段依次设置，所述主发光层为所述第一发光层或 第二发光层。
  10. 根据权利要求6所述的发光补偿方法，其特征在于，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
    若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为部分补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制所述主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和第二发光层均不发光；在第三时段，主发光层对应的PWM脉冲信号为高电平，控制所述第一发光层和所述第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和所述第二发光层均不发光，所述第一时段、第二时段、第三时段和第四时段依次设置；所述主发光层为所述第一发光层或第二发光层；或者
    若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为部分补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制所述主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的第一发光层和第二发光层均发光；在第三时段，主发光层对应的PWM脉冲信号为高电平，控制所述第一发光层和第二发光层均发光；在第四时段，主发光层对应的PWM脉冲信号为低电平，控制所述第一发光层和第二发光层均不发光；所述第一时段、第二时段、第三时段和第四时段依次设置；所述主发光层为所述第一发光层或第二发光层。
  11. 根据权利要求6所述的发光补偿方法，其特征在于，根据预设的补偿显示模式，控制所述发光单元的第一发光层和/或第二发光层发光，包括：
    若所述发光单元采用PWM模式发光，且所述预设补偿显示模式为交替补偿模式时，在第一时段，主发光层对应的PWM脉冲信号为高电平，控制所述发光单元的主发光层发光；在第二时段，主发光层对应的PWM脉冲信号为低电平，控制所述发光单元的辅发光层发光，所述第一时段和第二时段交替设置；所述主发光层为所述第一发光层和第二发光层其中之一，所述辅发光层为所述第一发光层和第二发光层其中另一。
  12. 根据权利要求6所述的发光补偿方法，其特征在于，所述发光器件包括多个发光单元，其中，至少部分所述发光单元的补偿显示模式不同。
  13. 一种电子设备，其特征在于，包括：处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序，所述程序被所述处理器执行时实现如权利要求6至12中任一项所述的发光补偿方法的步骤。
PCT/CN2024/070027 2023-01-16 2024-01-02 发光器件、发光补偿方法及电子设备 Ceased WO2024152883A1 (zh)

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