Organic light-emitting display panel and electronic equipment

Abstract

The invention discloses an organic light-emitting display panel and electronic equipment, the organic light-emitting display panel comprises a substrate and sub-pixels, the multiple sub-pixels are arranged in an array and arranged on the substrate, each sub-pixel comprises a light-emitting area and a non-light-emitting area, the non-light-emitting area comprises a metal layer and a light absorption layer, the light absorption layer is formed on one side of the substrate, and the metal layer is formed on the other side of the substrate. The metal layer is formed on one side of the light absorbing layer away from the substrate. The light absorption layer has a light absorption effect, and when external environment light irradiates the light absorption layer, the light absorption layer can absorb most of light in a visible light wave band, so that the problem that the external environment light is reflected by the metal layer to cause light reflection of the display panel is avoided, and the display effect is enhanced.

Description

Technical Field

[0001] The present invention relates to display technology, and in particular to an organic light emitting display panel and an electronic device. Background Art

[0002] Organic light-emitting display panels have self-luminous properties and do not use a separate light source, so they can be made thinner and lighter than display devices using a separate light source, and it is relatively easy to achieve flexible and foldable display properties.

[0003] An organic light-emitting display panel usually includes a plurality of light-emitting areas arranged in an array and a non-light-emitting area between the light-emitting areas. Sub-pixels are arranged in the light-emitting area, and driving components or metal wiring are arranged in the non-light-emitting area. Since the non-light-emitting area has a metal layer structure, the metal layer structure can reflect light in the external environment, thereby affecting the display effect. Summary of the invention

[0004] The present invention provides an organic light emitting display panel and an electronic device, which can prevent the external ambient light from being reflected by a metal layer, thereby preventing the display panel from reflecting light, and enhance the display effect.

[0005] In a first aspect, the present invention provides an organic light emitting display panel, comprising:

[0006] substrate;

[0007] Sub-pixels, a plurality of the sub-pixels are arranged in an array and disposed on the substrate, and the sub-pixels include a light-emitting area and a non-light-emitting area;

[0008] The non-luminescent region includes a metal layer and a light absorbing layer. The light absorbing layer is formed on one side of the substrate, and the metal layer is formed on a side of the light absorbing layer away from the substrate.

[0009] Optionally, the material of the light absorbing layer is WO X .

[0010] Optionally, the light emitting area further includes a filter layer, and the filter layer is arranged on the light emitting side of the sub-pixel.

[0011] Optionally, the non-luminous area includes an organic light emitting diode consisting of an anode, a light emitting layer and a cathode, the anode is formed on the substrate, the light emitting layer is formed on a side of the anode away from the substrate, and the cathode is formed on a side of the light emitting layer away from the anode.

[0012] Optionally, a driving circuit is arranged in the non-luminous area, and the driving circuit includes a driving transistor, a first switching transistor, a second switching transistor and a storage capacitor, the source of the driving transistor is connected to a power line, the drain of the driving transistor is connected to the anode, the cathode is connected to a low voltage source, the first end of the first switching transistor is connected to a data line, the second end of the first switching transistor is connected to a gate of the driving transistor, and the control end of the first switching transistor is connected to a scanning signal line; the first end of the second switching transistor is connected to a reference voltage line, the second end of the second switching transistor is connected to the drain of the driving transistor, and the control end of the second switching transistor is connected to an initialization signal line; the first end of the storage capacitor is connected to the gate of the driving transistor, and the second end of the storage capacitor is connected to the drain of the driving transistor.

[0013] Optionally, the source and drain of the driving transistor and the anode are formed in the same layer, and the metal layer serves as the gate of the driving transistor.

[0014] Optionally, the organic light emitting display panel includes a plurality of pixel units, each pixel unit includes four sub-pixels, which are respectively a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel in a row direction;

[0015] The power line is arranged between two adjacent columns of pixel units, the first sub-pixel and the second sub-pixel share a first power line, and the third sub-pixel and the fourth sub-pixel share a second power line;

[0016] A first data line and a second data line are arranged between the first sub-pixel and the second sub-pixel, the first sub-pixel is connected to the first data line, and the second sub-pixel is connected to the second data line; a third data line and a fourth data line are arranged between the third sub-pixel and the fourth sub-pixel, the third sub-pixel is connected to the third data line, and the fourth sub-pixel is connected to the fourth data line;

[0017] The scanning line and the initialization signal line are arranged between two adjacent rows of sub-pixels, and the sub-pixels in the same row are connected to a corresponding scanning line and an initialization signal line;

[0018] The reference voltage line is arranged between the second sub-pixel and the third sub-pixel, and the four sub-pixels in the pixel unit share the reference voltage line.

[0019] Optionally, a first power extension line and a second power extension line are further arranged between two adjacent rows of sub-pixels, the first power line is connected to the first power extension line, the first sub-pixel and the second sub-pixel are both connected to the first power extension line, the second power line is connected to the second power extension line, and the third sub-pixel and the fourth sub-pixel are both connected to the second power extension line.

[0020] Optionally, the first power extension line is connected to the second power extension line.

[0021] In a second aspect, the present invention further provides an electronic device, comprising the organic light emitting display panel provided in the first aspect of the present invention.

[0022] The organic light-emitting display panel provided by the present invention includes a substrate and sub-pixels, wherein a plurality of sub-pixels are arranged in an array and are disposed on the substrate, wherein the sub-pixels include a light-emitting area and a non-light-emitting area, wherein the non-light-emitting area includes a metal layer and a light-absorbing layer, wherein the light-absorbing layer is formed on one side of the substrate, and the metal layer is formed on the side of the light-absorbing layer away from the substrate. The light-absorbing layer has a light-absorbing function, and when the external ambient light irradiates the light-absorbing layer, the light-absorbing layer can absorb most of the light in the visible light band, thereby preventing the external ambient light from being reflected by the metal layer, causing the problem of light reflection on the display panel, and enhancing the display effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention is further described in detail below based on the accompanying drawings and embodiments.

[0024] Figure 1 A partial cross-sectional view of an organic light emitting display panel provided by the present invention;

[0025] Figure 2 A schematic diagram of the principle of anti-reflection of an organic light-emitting display panel provided by the present invention;

[0026] Figure 3 A schematic diagram of the structure of a driving circuit provided by the present invention;

[0027] Figure 4 A partial structural schematic diagram of an organic light emitting display panel provided by the present invention;

[0028] Figure 5 A partial structural schematic diagram of another organic light emitting display panel provided by the present invention;

[0029] Figure 6 A schematic diagram of an electronic device provided by the present invention. DETAILED DESCRIPTION

[0030] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature. In addition, the terms "first" and "second" are only used to distinguish in description and have no special meaning.

[0033] Figure 1 A partial cross-sectional view of an organic light emitting display panel provided by the present invention, such as Figure 1 As shown, the organic light emitting display panel includes:

[0034] substrate 110;

[0035] Sub-pixels 120, a plurality of sub-pixels 120 are arranged in an array and disposed on the substrate 110, and the sub-pixels 120 include a light-emitting area LA and a non-light-emitting area BA. It should be noted that: Figure 1 Only the structure of one sub-pixel in the organic light emitting display panel is shown. Those skilled in the art can understand that the organic light emitting display panel includes a plurality of sub-pixels 120 arranged in an array, and the present invention will not be repeated here.

[0036] The non-luminous area BA includes a light absorbing layer 131 and a metal layer 132. The light absorbing layer 131 is formed on one side of the substrate 110. Exemplarily, the light absorbing layer 131 and the sub-pixel 120 are formed on the same side of the substrate 110, and the metal layer 132 is formed on the side of the light absorbing layer 131 away from the substrate 110. The light emitting side of the sub-pixel 120 is the side close to the substrate 110, that is, the light emitted by the sub-pixel 120 passes through the substrate 110 and is seen by the user. Exemplarily, a driving circuit of the sub-pixel 120 can be set in the non-luminous area, and the metal layer 132 can be used as a line or electrode in the driving circuit in the non-luminous area, which is not limited in the present invention.

[0037] Figure 2 The schematic diagram of the principle of anti-reflection of the organic light-emitting display panel provided by the present invention is shown in Figure 2. For example, the light absorbing layer 131 has a light absorbing function. When the external ambient light is irradiated to the light absorbing layer 131, the light absorbing layer 131 can absorb most of the light in the visible light band, thereby preventing the external ambient light from being reflected by the metal layer 132 and causing the display panel to reflect, thereby enhancing the display effect.

[0038] The organic light-emitting display panel provided by the present invention includes a substrate and sub-pixels, wherein a plurality of sub-pixels are arranged in an array and are disposed on the substrate, wherein the sub-pixels include a light-emitting area and a non-light-emitting area, wherein the non-light-emitting area includes a metal layer and a light-absorbing layer, wherein the light-absorbing layer is formed on one side of the substrate, and the metal layer is formed on the side of the light-absorbing layer away from the substrate. The light-absorbing layer has a light-absorbing function, and when the external ambient light irradiates the light-absorbing layer, the light-absorbing layer can absorb most of the light in the visible light band, thereby preventing the external ambient light from being reflected by the metal layer, causing the problem of light reflection on the display panel, and enhancing the display effect.

[0039] Exemplarily, in some embodiments of the present invention, the material of the light absorbing layer is WO X (tungsten oxide). WO X It is a semiconductor material with a relatively narrow bandgap width (2.4-3.2 eV). It can not only absorb most of the visible light in the band, but also absorb a small amount of ultraviolet light, and has strong light absorption. Of course, in other embodiments of the present invention, the light absorption layer can also use other materials that can absorb light, and the embodiments of the present invention are not limited here.

[0040] Exemplarily, in some embodiments of the present invention, Figure 1As shown, the light emitting area LA further includes a filter layer 141, and the filter layer 141 is disposed on the light emitting side of the sub-pixel 120. Exemplarily, in this embodiment, the filter layer 141 is disposed on the substrate 110, and the sub-pixel 120 is disposed on the side of the filter layer 141 away from the substrate 110. Exemplarily, in this embodiment of the present invention, the filter layer 141 plays a role of filtering light, and the luminescent material in the sub-pixel 120 emits white light, and after the white light passes through the filter layer 141, light of a desired color, for example, red light, green light or blue light, is obtained.

[0041] In some embodiments of the present invention, Figure 1 As shown, the light-emitting area LA includes an organic light-emitting diode composed of an anode 121, a light-emitting layer 122 and a cathode 123. The anode 121 is formed on the substrate 110 (in the present embodiment, the anode 121 is formed on the side of the filter layer 141 away from the substrate 110), the light-emitting layer 122 is formed on the side of the anode 121 away from the substrate 110, and the cathode 123 is formed on the side of the light-emitting layer 122 away from the anode 121.

[0042] In some embodiments of the present invention, a driving circuit is disposed in the non-luminescent area of ​​the sub-pixel. Figure 3 A schematic diagram of a driving circuit provided by the present invention is shown in FIG. Figure 3 As shown, the driving circuit includes a driving transistor DT, a first switching transistor ST1, a second switching transistor ST2 and a storage capacitor Cst, the source of the driving transistor DT is connected to the power line VDD, the drain of the driving transistor DT is connected to the anode of the organic light emitting diode OLED, the cathode of the organic light emitting diode OLED is connected to the low voltage source VSS, the first end of the first switching transistor ST1 is connected to the data line Data, the second end of the first switching transistor ST1 is connected to the gate of the driving transistor DT, the control end of the first switching transistor ST1 is connected to the scan signal line Scan, the first end of the second switching transistor ST2 is connected to the reference voltage line Vref, the second end of the second switching transistor ST2 is connected to the drain of the driving transistor DT, the control end of the second switching transistor ST2 is connected to the initialization signal line Sense, the first end of the storage capacitor Cst is connected to the gate of the driving transistor DT, and the second end of the storage capacitor Cst is connected to the drain of the driving transistor DT.

[0043] Exemplarily, in the initialization stage t1, the initialization signal line Sense provides a high level, controls the second switch transistor ST2 to be turned on, initializes the drain of the storage capacitor Cst and the drive transistor DT, and initializes the potential of the second end of the storage capacitor Cst and the drive transistor DT to the reference voltage provided by the reference voltage line Vref. Exemplarily, the reference voltage is a constant low-level voltage. In the data writing stage t2, the initialization signal line Sense continuously provides a high level, the scanning signal line Scan provides a high level, the first switch transistor ST1 and the second switch transistor ST2 are both turned on, and the data signal provided by the data line Data is written into the control end of the drive transistor DT, that is, the storage capacitor Cst is charged, and the potential of the control end of the drive transistor DT is gradually raised. When the potential of the control end of the driving transistor DT reaches the driving transistor DT on potential, the scanning signal line Scan and the initialization signal line Sense both provide low-level signals, the first switch transistor ST1 and the second switch transistor ST2 are both turned off, the driving transistor DT is turned on, and the light-emitting stage t3 is entered. The power supply voltage provided by the power line VDD and the low voltage provided by the low voltage source VSS form a driving current on the driving transistor DT and the organic light-emitting diode OLED, driving the organic light-emitting diode OLED to emit light, the storage capacitor Cst is discharged, and the high level of the gate of the driving transistor DT is maintained, and the organic light-emitting diode OLED is maintained to continue to emit light. After the light-emitting stage t3 ends, the initialization stage t1 is entered again, and the cycle is repeated.

[0044] In some embodiments of the present invention, Figure 1 As shown, the driving transistor DT includes a gate 151, a gate insulating layer 152, an active layer 153, a source 154 and a drain 155. The gate 151 is formed on the side of the light absorbing layer 131 away from the substrate 110. The gate insulating layer 152 is formed on the side of the gate 151 away from the light absorbing layer 131 and covers the gate 151. The active layer 153 is formed on the side of the gate insulating layer 152 away from the gate 151, and the source 154 and the drain 155 are both formed on the side of the active layer 153 away from the gate insulating layer 152, and the source 154 and the drain 155 are insulated and isolated. Exemplarily, the metal layer 132 serves as the gate of the driving transistor DT. The source 154, the drain 155 and the anode 121 are formed in the same layer, that is, in the same process, which can simplify the process and reduce the preparation cost. It should be noted that the metal layer 132 can also be used as a line or other electrode in the driving circuit in the non-luminous area, and the present invention is not limited here.

[0045] For example, Figure 1 As shown, the source electrode 154 and the drain electrode 155 are further covered with an insulating layer 156 , and the cathode 123 and the insulating layer 156 are further covered with an encapsulation layer 157 .

[0046] Figure 4 A partial structural schematic diagram of an organic light emitting display panel provided by the present invention is shown in FIG. Figure 4 As shown, the organic light-emitting display panel includes a plurality of pixel units Cell, each pixel unit Cell includes 4 sub-pixels, which are respectively the first sub-pixel R, the second sub-pixel G, the third sub-pixel B and the fourth sub-pixel W along the row direction, and emit red light, green light, blue light and white light respectively. Exemplarily, each sub-pixel can directly emit light of a specific color, or it can emit light of a specific color after being filtered by the filter layer in the aforementioned embodiment of the present invention, and the embodiment of the present invention is not limited here. Of course, in other embodiments of the present invention, the sub-pixels in the pixel unit can also be arranged in other orders, and the present invention does not limit the arrangement order of R, G, B, and W.

[0047] like Figure 4 As shown, the power line is arranged between two adjacent columns of pixel units Cell, and in the same display unit Cell, the first sub-pixel R and the second sub-pixel G share a first power line VDD1, and the third sub-pixel B and the fourth sub-pixel W share a second power line VDD2. That is, the source electrodes of the driving transistors DT of the first sub-pixel R and the second sub-pixel G are both connected to the first power line VDD1, and the source electrodes of the driving transistors DT of the third sub-pixel B and the fourth sub-pixel W are both connected to the second power line VDD2.

[0048] A first data line Data1 and a second data line Data2 are provided between the first sub-pixel R and the second sub-pixel G. The first sub-pixel R is connected to the first data line Data1, that is, the first end of the first switch transistor ST1 of the first sub-pixel R is connected to the first data line Data1; the second sub-pixel G is connected to the second data line Data2, that is, the first end of the first switch transistor ST1 of the second sub-pixel R is connected to the second data line Data2. A third data line Data3 and a fourth data line Data4 are provided between the third sub-pixel B and the fourth sub-pixel W. The third sub-pixel B is connected to the third data line Data3, that is, the first end of the first switch transistor ST1 of the third sub-pixel B is connected to the third data line Data3; the fourth sub-pixel W is connected to the fourth data line Data4, that is, the first end of the first switch transistor ST1 of the fourth sub-pixel W is connected to the fourth data line Data4.

[0049] The scan line Scan and the initialization signal line Sense are arranged between two adjacent rows of sub-pixels, and the sub-pixels in the same row are connected to a corresponding scan line Scan and an initialization signal line Sense, that is, the gates of the first switching transistors ST1 of all sub-pixels 120 in the same row of sub-pixels are connected to an adjacent scan line Scan, and the gates of the second switching transistors ST2 of all sub-pixels 120 are connected to an adjacent initialization signal line Sense.

[0050] The reference voltage line Vref is arranged between the second sub-pixel G and the third sub-pixel B. The four sub-pixels 120 in the pixel unit Cell share the reference voltage line Vref, that is, the first ends of the second switch transistors ST2 of the four sub-pixels 120 in the pixel unit Cell are all connected to the reference voltage line Vref.

[0051] In some embodiments of the present invention, Figure 4 As shown, a first power extension line LVD1 and a second power extension line LVD2 are also arranged between two adjacent rows of sub-pixels, the first power line VDD1 is connected to the first power extension line LVD1, the first sub-pixel R and the second sub-pixel G are both connected to the first power extension line LVD1, that is, the sources of the driving transistors DT of the first sub-pixel R and the second sub-pixel G are both connected to the first power extension line LVD1; the second power line VDD2 is connected to the second power extension line LVD2, the third sub-pixel B and the fourth sub-pixel W are both connected to the second power extension line LVD2, that is, the sources of the driving transistors DT of the third sub-pixel B and the fourth sub-pixel W are both connected to the second power extension line LVD2.

[0052] Similarly, a reference extension line LVF is also arranged between two adjacent rows of sub-pixels, and the reference extension line LVF is connected to the reference voltage line Vref. The first sub-pixel R, the second sub-pixel G, the third sub-pixel B and the fourth sub-pixel W are all connected to the reference extension line LVF, that is, the first ends of the second switching transistors ST2 of the first sub-pixel R, the second sub-pixel G, the third sub-pixel B and the fourth sub-pixel W are all connected to the reference extension line LVF.

[0053] In some embodiments of the present invention, the first power extension line and the second power extension line can be connected together to form a parallel structure. When the power supply voltage and the number of sub-pixels remain unchanged, the driving current of the sub-pixel can be increased, thereby increasing the luminous brightness of the sub-pixel. Figure 5 This is a partial structural diagram of another organic light emitting display panel provided by the present invention. This embodiment is further improved on the basis of the previous embodiment by connecting the first power extension line LVD1 and the second power extension line LVD2 together. The rest of the parts are the same as the previous embodiment and will not be repeated herein.

[0054] Figure 6 Schematic diagram of an electronic device provided by the present invention, the electronic device 100 includes an organic light emitting display panel provided by any of the aforementioned embodiments of the present invention, such as Figure 6 As shown, the electronic device may be a television, a smart terminal, etc., and the present invention is not limited thereto.

[0055] In the description of this article, it is necessary to understand that the terms "up", "down", "left", "right", and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0056] In the description of this specification, the description with reference to the terms "an embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0057] In addition, it should be understood that although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0058] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. An organic light emitting display panel, characterized in that: include: substrate; Sub-pixels, a plurality of the sub-pixels are arranged in an array and disposed on the substrate, and the sub-pixels include a light-emitting area and a non-light-emitting area; The non-luminescent region includes a metal layer and a light absorbing layer. The light absorbing layer is formed on one side of the substrate, and the metal layer is formed on a side of the light absorbing layer away from the substrate.

2. The organic light emitting display panel according to claim 1, characterized in that: The material of the light absorbing layer is WO X .

3. The organic light emitting display panel according to claim 1, characterized in that: The light emitting area further comprises a filter layer, and the filter layer is arranged on the light emitting side of the sub-pixel.

4. The organic light emitting display panel according to any one of claims 1 to 3, characterized in that: The non-luminescent area includes an organic light emitting diode consisting of an anode, a luminescent layer and a cathode, wherein the anode is formed on the substrate, the luminescent layer is formed on a side of the anode away from the substrate, and the cathode is formed on a side of the luminescent layer away from the anode.

5. The organic light emitting display panel according to claim 4, characterized in that: A driving circuit is arranged in the non-luminous area, and the driving circuit includes a driving transistor, a first switching transistor, a second switching transistor and a storage capacitor, the source of the driving transistor is connected to a power line, the drain of the driving transistor is connected to the anode, and the cathode is connected to a low voltage source, the first end of the first switching transistor is connected to a data line, the second end of the first switching transistor is connected to a gate of the driving transistor, and the control end of the first switching transistor is connected to a scanning signal line; the first end of the second switching transistor is connected to a reference voltage line, the second end of the second switching transistor is connected to the drain of the driving transistor, and the control end of the second switching transistor is connected to an initialization signal line; the first end of the storage capacitor is connected to the gate of the driving transistor, and the second end of the storage capacitor is connected to the drain of the driving transistor.

6. The organic light emitting display panel according to claim 5, characterized in that: The source electrode, the drain electrode and the anode electrode of the driving transistor are formed in the same layer, and the metal layer serves as the gate electrode of the driving transistor.

7. The organic light emitting display panel according to claim 5, characterized in that: The organic light emitting display panel comprises a plurality of pixel units, each pixel unit comprises four sub-pixels, which are respectively a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel in a row direction; The power line is arranged between two adjacent columns of pixel units, the first sub-pixel and the second sub-pixel share a first power line, and the third sub-pixel and the fourth sub-pixel share a second power line; A first data line and a second data line are arranged between the first sub-pixel and the second sub-pixel, the first sub-pixel is connected to the first data line, and the second sub-pixel is connected to the second data line; a third data line and a fourth data line are arranged between the third sub-pixel and the fourth sub-pixel, the third sub-pixel is connected to the third data line, and the fourth sub-pixel is connected to the fourth data line; The scanning line and the initialization signal line are arranged between two adjacent rows of sub-pixels, and the sub-pixels in the same row are connected to a corresponding scanning line and an initialization signal line; The reference voltage line is arranged between the second sub-pixel and the third sub-pixel, and the four sub-pixels in the pixel unit share the reference voltage line.

8. The organic light emitting display panel according to claim 7, characterized in that: A first power extension line and a second power extension line are also arranged between two adjacent rows of sub-pixels, the first power line is connected to the first power extension line, the first sub-pixel and the second sub-pixel are both connected to the first power extension line, the second power line is connected to the second power extension line, and the third sub-pixel and the fourth sub-pixel are both connected to the second power extension line.

9. The organic light emitting display panel according to claim 8, characterized in that: The first power extension line is connected to the second power extension line.

10. An electronic device, characterized in that: Comprising the organic light emitting display panel as described in any one of claims 1-9.

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