SELF-LUMINOUS DISPLAY PANEL

Abstract

A self-luminous display panel is provided. The self-luminous display panel includes a power supply film layer. The power supply film layer is divided into a plurality of mutually insulated power supply blocks, and each power supply block is electrically connected to a plurality of pixel circuits located in the power supply block. A high grayscale display is independently provided for the corresponding pixel circuits by dividing the power supply film into power supply blocks, thereby easily achieving the partition display of the self-luminous display panel.

Claims

1. A self-luminous display panel, wherein the self-luminous display panel comprises a power supply film layer; the power supply film layer is divided into a plurality of mutually insulated power supply blocks, and each power supply block is electrically connected to a plurality of pixel circuits located in the power supply block, and wherein one part of the power supply block is connected to a first potential, the other part of the power supply block is connected to a second potential, and the second potential is higher than the first potential.

2. The self-luminous display panel according to claim 1, wherein each pixel circuit comprises a writing unit, a memory unit, a drive unit, and a light-emitting unit, wherein the writing unit is connected to a scan signal, a data signal, one end of the memory unit, and a control end of the drive unit; one end of the memory unit is connected to the control end of the drive unit; zero potential is connected to the other end of the memory unit and an output end of the drive unit; an input end of the drive unit is connected to an output end of the light-emitting unit; an input end of the light-emitting unit is electrically connected to the corresponding power supply block.

3. The self-luminous display panel according to claim 2, wherein the writing unit comprises a first thin film transistor, a drain of the first thin film transistor is connected to the data signal; a gate of the first thin film transistor is connected to the scan signal; a source of the first thin film transistor is connected to one end of the memory cell and the control end of the drive unit.

4. The self-luminous display panel according to claim 3, wherein the memory unit comprises a storage capacitor, a first end of the storage capacitor is connected to the source of the first thin film transistor and the control end of the drive unit, and a second end of the storage capacitor is connected to zero potential.

5. The self-luminous display panel according to claim 4, wherein the drive unit comprises a second thin film transistor, a gate of the second thin film transistor is connected to the first end of the storage capacitor, a source of the second thin film transistor is connected to zero potential, and a drain of the second thin film transistor is connected to the output end of the light-emitting unit.

6. The self-luminous display panel according to claim 5, wherein the light-emitting unit comprises a light-emitting device, a cathode of the light-emitting device is connected to the drain of the second thin film transistor, and an anode of the light-emitting device is connected to the corresponding power supply block.

7. The self-luminous display panel according to claim 6, wherein the first thin film transistor and the second thin film transistor are both N-type thin film transistors.

8. The self-luminous display panel according to claim 1, wherein a shape of the power supply block is rectangular.

9. The self-luminous display panel according to claim 1, wherein the power supply block is connected to the four corresponding pixel circuits.

10. A self-luminous display panel, wherein the self-luminous display panel comprises a power supply film layer; the power supply film layer is divided into a plurality of mutually insulated power supply blocks, and each power supply block is electrically connected to a different number of pixel circuits located in the power supply block, and wherein one part of the power supply block is connected to a first potential, the other part of the power supply block is connected to a second potential, and the second potential is higher than the first potential.

11. The self-luminous display panel according to claim 10, wherein each pixel circuit comprises a writing unit, a memory unit, a drive unit, and a light-emitting unit, wherein the writing unit is connected to a scan signal, a data signal, one end of the memory unit, and a control end of the drive unit; one end of the memory unit is connected to the control end of the drive unit; zero potential is connected to the other end of the memory unit and an output end of the drive unit; an input end of the drive unit is connected to an output end of the light-emitting unit; an input end of the light-emitting unit is electrically connected to the corresponding power supply block.

12. The self-luminous display panel according to claim 11, wherein the writing unit comprises a first thin film transistor, a drain of the first thin film transistor is connected to the data signal; a gate of the first thin film transistor is connected to the scan signal; a source of the first thin film transistor is connected to one end of the memory cell and the control end of the drive unit.

13. The self-luminous display panel according to claim 12, wherein the memory unit comprises a storage capacitor, a first end of the storage capacitor is connected to the source of the first thin film transistor and the control end of the drive unit, and a second end of the storage capacitor is connected to zero potential.

14. The self-luminous display panel according to claim 13, wherein the drive unit comprises a second thin film transistor, a gate of the second thin film transistor is connected to the first end of the storage capacitor, a source of the second thin film transistor is connected to zero potential, and a drain of the second thin film transistor is connected to the output end of the light-emitting unit.

15. The self-luminous display panel according to claim 14, wherein the light-emitting unit comprises a light-emitting device, a cathode of the light-emitting device is connected to the drain of the second thin film transistor, and an anode of the light-emitting device is connected to the corresponding power supply block.

16. The self-luminous display panel according to claim 15, wherein the first thin film transistor and the second thin film transistor are both N-type thin film transistors.

17. The self-luminous display panel according to claim 10, wherein a shape of the power supply block is rectangular.

18. The self-luminous display panel according to claim 10, wherein the power supply block is connected to the four corresponding pixel circuits.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0016] FIG. 1 is a structural schematic view of a self-luminous display panel provided by one embodiment of the present disclosure.

[0017] FIG. 2 is a structural schematic view of a pixel circuit shown in FIG. 1.

[0018] FIG. 3 is a timing schematic view of the pixel circuit shown in FIG. 2.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

[0019] In order to make the purpose, technical solutions and effects of the present disclosure clear, the following further describes present disclosure in detail with reference to the drawings and embodiments. It may be understood that the specific embodiments described herein are only used to explain the present disclosure, and not used to limit the present disclosure.

[0020] As shown in FIG. 1 or FIG. 3, the present embodiment provides a self-luminous display panel 120, which comprises a power supply film layer (not shown). The power supply film layer is divided into a plurality of mutually insulated power supply blocks 110. Each power supply block 110 is electrically connected to a plurality of pixel circuits 100 located in the power supply block 110. One part of the power supply block 110 is connected to a first potential V1; the other part of the power supply block 110 is connected to a second potential V2, and the second potential V2 is higher than the first potential V1.

[0021] It is understood that a high potential is independently provided for the corresponding pixel circuits 100 as a light-emitting power by dividing the power supply film into power supply blocks 110, thereby achieving the high grayscale display. Moreover, it is easy to achieve the partition display of the self-luminous display panel 120. The self-luminous display panel 120 may display a detailed image with high grayscale, and the display with low grayscale is used for special image display with high contrast.

[0022] It should be noted that the power supply block 110 may be electrically connected to the corresponding pixel circuits 100 through a via hole; and the display panel 120 may provide different potentials to the corresponding film layer. For example, the first potential V1 and the second potential V2 may be provided to the corresponding power supply block 110 in the power supply film layer.

[0023] As shown in FIG. 2, in one of the embodiments, each pixel circuit 100 comprises a writing unit 30, a memory unit 40, a drive unit 20, and a light-emitting unit 10. The writing unit 30 is connected to a scan signal SS, a data signal DS, one end of the memory unit 40, and a control end of the drive unit 20. One end of the memory unit 40 is connected to the control end of the drive unit 20. Zero potential is connected to the other end of the memory unit 40 and an output end of the drive unit 20. An input end of the drive unit 20 is connected to an output end of the light-emitting unit 10. An input end of the light-emitting unit 10 is connected to a DC potential VDD. The DC potential VDD is electrically connected to the corresponding power supply block 110.

[0024] As shown in FIG. 2, in one of the embodiments, the writing unit 30 comprises a first thin film transistor T1. A drain of the first thin film transistor T1 is connected to the data signal DS. A gate of the first thin film transistor T1 is connected to the scan signal SS. A source of the first thin film transistor T1 is connected to one end of the memory unit 40 and the control end of the drive unit 20.

[0025] As shown in FIG. 2, in one of the embodiments, the memory unit 40 comprises a storage capacitor CS. A first end of the storage capacitor CS is connected to the source of the first thin film transistor T1 and the control end of the drive unit 20. A second end of the storage capacitor CS is connected to zero potential.

[0026] As shown in FIG. 2, in one of the embodiments, the drive unit 20 comprises a second thin film transistor T2. A gate of the second thin film transistor T2 is connected to the first end of the storage capacitor CS. A source of the second thin film transistor T2 is connected to zero potential. A drain of the second thin film transistor T2 is connected to the output end of the light-emitting unit 10.

[0027] As shown in FIG. 2, in one of the embodiments, the light-emitting unit 10 comprises a light-emitting device LED. A cathode of the light emitting-device LED is connected to the drain of the second thin film transistor T2. An anode of the light-emitting device LED is connected to the corresponding power supply block 110.

[0028] It is understood that the light-emitting device LED may be various diode-type light-emitting devices LED, and may be, but is not limited to, a mini-type, or a micro-type, or an organic electroluminescence-type LEDs.

[0029] In one of the embodiments, the first thin film transistor T1 and the second thin film transistor T2 are both N-type thin film transistors.

[0030] In one of the embodiments, a shape of the power supply block 110 may be, but is not limited to, rectangle, and may also be an ellipse shape, or other irregular shapes.

[0031] In one of the embodiments, the power supply block 110 is connected to the corresponding four pixel circuits 100. It may be understood that the connection of one power supply block 110 to the corresponding four pixel circuits 100 is not limited in the present embodiment. The power supply block 110 may be connected to the corresponding two circuits 100 or more.

[0032] As shown in FIG. 1, in one of the embodiments, the present disclosure provides a self-luminous display panel 120, which comprises a power supply film layer (not shown). The power supply film layer is divided into a plurality of mutually insulated power supply block 110. Each power supply block 110 is electrically connected to a different number of pixel circuits 100 located in the power supply block 110. One part of the power supply block 110 is connected to a first potential V1, the other part of the power supply block 110 is connected to a second potential V2 is, and the second potential V2 is higher than the first potential V1.

[0033] It is understood that a high potential is independently provided for the corresponding pixel circuits 100 as a light-emitting power by dividing the power supply film into power supply blocks 110, thereby achieving the high grayscale display. Moreover, it is easy to achieve the partition display of the self-luminous display panel 120. The self-luminous display panel 120 may display a detailed image with high grayscale, and the display low grayscale is used for special image display with high contrast.

[0034] In summary, as shown in FIG. 3, when the first potential V1 supplies power to the DC potential VDD in the corresponding pixel circuits 100 through the power supply block 110, the corresponding pixel circuits 100 may achieve low grayscale display. When the second potential V2 supplies power to the DC potential VDD in the corresponding pixel circuits 100 through the power supply block 110, the corresponding pixel circuits 100 may achieve high grayscale display.

[0035] It is understood that for a person ordinarily skilled in the art, equivalent replacements or modifications may be performed according to the technical solution of the present disclosure and the inventive concept thereof, and all these modifications or replacements should fall within the claimed scope of the appended claims of the present disclosure.