Display device and display panel thereof, OLED array substrate

1. An OLED array substrate, comprising:

a display area,

a non-transparent display area in which first OLED sub-pixels are arranged in an array;

a transparent display area in which one row and several columns of second OLED sub-pixels are disposed,

wherein when the columns of second OLED sub-pixels are driven, the transparent display area performs a display function; when the columns of second OLED sub-pixels are not driven, the transparent display area performs a light transmitting function;

a driving mode for the first OLED sub-pixels is active; the first OLED sub-pixels are driven by a part of data signal channels of a display driver integrated chip;

a driving mode for the second OLED sub-pixels is passive; the second OLED sub-pixels are driven by a remaining part of the data signal channels of the display driver integrated chip; and

data from all the data signal channels correspond to one frame of screen display in the display area,

wherein in a direction perpendicular to a plane where the OLED array substrate is located, each of the first OLED sub-pixels includes a lower electrode, a first OLED light emitting structure disposed over the lower electrode, and an upper electrode disposed over the first OLED light emitting structure, and

in a direction perpendicular to the plane where the OLED array substrate is located, each of the second OLED sub-pixels comprises: a first electrode extending along a column direction, a second OLED light emitting structure disposed over the first electrode and extending along the column direction, and a second electrode disposed over the second OLED light emitting structure,

wherein the second OLED sub-pixels in a section of the transparent display area include sub-pixels of different colors; and a plurality of adjacent second OLED sub-pixels of different colors form one pixel unit, and

the first electrodes in the columns of the second OLED sub-pixels of a same color correspond to a same data signal channel or different data signal channels of the display driver integrated chip,

wherein each of the data signal channels of the display driver integrated chip is connected to an open drain circuit, and an output of the open drain circuit is connected to the first electrodes of the corresponding second OLED sub-pixels of a same color, and a source electrode of the open drain circuit is connected to a power supply voltage.

2. The OLED array substrate according to claim 1 , wherein the lower electrode is a block electrode; and the first electrode is a strip electrode.

3. The OLED array substrate according to claim 1 , wherein all the columns of the second OLED sub-pixels in the transparent display area are sub-pixels of a same color, or

all columns of the second OLED sub-pixels in a section of the transparent display area are sub-pixels of the same color;

first electrodes in the columns of the second OLED sub-pixels of the same color correspond to a same data signal channel or different data signal channels of the display driver integrated chip.

4. The OLED array substrate according to claim 3 , wherein, when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to a same data signal channel of the display driver integrated chip,

an operational amplifier circuit is provided between the first electrode in each column of the second OLED sub-pixels of the same color and a corresponding data signal channel of the display driver integrated chip,

the operational amplifier circuit is configured to amplify a data signal of the display driver integrated chip and input the amplified data signal to the first electrode in a corresponding column of the second OLED sub-pixels of the same color;

when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to different data signal channels of the display driver integrated chip, respectively,

an operational amplifier circuit is provided between the first electrode in each column of the second OLED sub-pixels of the same color and a corresponding data signal channel of the display driver integrated chip,

the operational amplifier circuit is configured to amplify a data signal of the display driver integrated chip and input the amplified data signal to the first electrode in a corresponding column of the second OLED sub-pixels of the same color.

5. The OLED array substrate according to claim 3 , wherein, when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to a same data signal channel of the display driver integrated chip,

each of the data signal channels of the display driver integrated chip is connected to an open drain circuit,

an output of the open drain circuit is connected to the first electrodes of the second OLED sub-pixels of a same color, and a source electrode of the open drain circuit is connected to a power supply voltage;

when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to different data signal channels of the display driver integrated chip, respectively,

one data signal channel is connected to an open drain circuit, an output of the open drain circuit is connected to a first electrode of a corresponding second OLED sub-pixel of the same color, and a source electrode of the open drain circuit is connected to a power supply voltage.

6. The OLED array substrate according to claim 1 , wherein the second OLED sub-pixels comprise sub-pixels of different colors, and a plurality of adjacent columns of the second OLED sub-pixels of different colors form one pixel unit;

the first electrodes in the columns of the second OLED sub-pixels of a same color correspond to a same data signal channel or different data signal channels of the display driver integrated chip.

7. The OLED array substrate according to claim 6 , wherein, when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to a same data signal channel of the display driver integrated chip,

an operational amplifier circuit is provided between the first electrodes in the columns of the second OLED sub-pixels of a same color and a corresponding data signal channel of the display driver integrated chip,

the operational amplifier circuit is configured to amplify a data signal of the display driver integrated chip and input the amplified data signal to the first electrodes of the corresponding second OLED sub-pixels of the same color;

when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to different data signal channels of the display driver integrated chip, respectively,

an operational amplifier circuit is provided between the first electrode in each column of the second OLED sub-pixels of the same color and a corresponding data signal channel of the display driver integrated chip, and

the operational amplifier circuit is configured to amplify a data signal of the display driver integrated chip and input the amplified data signal to the first electrode in a corresponding column of the second OLED sub-pixels of the same color.

8. The OLED array substrate according to claim 6 , wherein, when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to a same data signal channel of the display driver integrated chip,

each of the data signal channels of the display driver integrated chip is connected to an open drain circuit,

an output of the open drain circuit is connected to the first electrodes of the corresponding second OLED sub-pixels of a same color, and a source electrode of the open drain circuit is connected to a power supply voltage;

when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to different data signal channels of the display driver integrated chip, respectively, and

one data signal channel is connected to an open drain circuit, an output of the open drain circuit is connected to a first electrode of a corresponding second OLED sub-pixel of the same color, and a source electrode of the open drain circuit is connected to a power supply voltage.

9. The OLED array substrate according to claim 1 , wherein, when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to a same data signal channel of the display driver integrated chip,

an operational amplifier circuit is provided between the first electrodes in the columns of the second OLED sub-pixels of a same color and a corresponding data signal channel of the display driver integrated chip,

the operational amplifier circuit is configured to amplify a data signal of the display driver integrated chip and input the amplified data signal to the first electrodes of the corresponding second OLED sub-pixels of the same color;

when the first electrodes in the columns of the second OLED sub-pixels of the same color correspond to different data signal channels of the display driver integrated chip, respectively,

an operational amplifier circuit is provided between the first electrode in each column of the second OLED sub-pixels of the same color and a corresponding data signal channel of the display driver integrated chip, and

the operational amplifier circuit is configured to amplify a data signal of the display driver integrated chip and input the amplified data signal to the first electrode in a corresponding column of the second OLED sub-pixels of the same color.

10. The OLED array substrate according to claim 1 , wherein the second electrodes of the second OLED sub-pixels form a planar electrode, and/or the upper electrodes and the first OLED sub-pixels and the second electrodes of the second OLED sub-pixels are connected as a planar electrode.

11. The OLED array substrate according to claim 1 , wherein a projection of the first electrode in each column of the second OLED sub-pixels on the plane where the OLED array substrate is located is composed of one or more graphic units; shapes of the graphic units comprising a circle, an ellipse, a dumbbell, an “8” shape, or a rectangle.

12. The OLED array substrate according to claim 1 , wherein the first electrodes and the second OLED light emitting structures of the second OLED sub-pixels extend along a column direction in a middle section of the transparent display area, or extend from a top of the transparent display area to a middle or bottom of the transparent display area along the column direction, or extend from the middle of the transparent display area to the bottom of the transparent display area along the column direction.

13. The OLED array substrate according to claim 12 , wherein adjacent ones of the second OLED sub-pixels form a pattern, and the pattern comprises a battery-shaped pattern and/or a pattern representing a signal strength.

14. The OLED array substrate according to claim 1 , wherein a plurality of the second OLED light emitting structures are separated by pixel definition layers.

15. The OLED array substrate according to claim 1 , wherein a ratio of a length of the first electrode in a column direction to a width in a row direction is larger than 20:1.

16. A display panel comprising the OLED array substrate according to claim 1 .

17. A display device comprising the display panel according to claim 16 .