Simplifying substrate for display panel with waveguide display region and driving of two display regions by one driving system

Patent metadata

Field	Value
Publication number	US-11893952-B2
Application number	US-202017264325-A
Country	US
Kind code	B2
Filing date	May 28, 2020
Priority date	May 29, 2019
Publication date	Feb 6, 2024
Grant date	Feb 6, 2024

Abstract

A display panel and a driving method thereof, and a display device are provided. The display panel includes a first display region, a second display region, and a control device. The first display region is on a side of the second display region, and the second display region includes N display sub-regions; and the control device is connected to the first display region and the second display region, respectively, and configured to control display of the first display region and display of the second display region in i time intervals within one frame period, and sequentially control the display of the first display region and display of an i-th display sub-region in the second display region in an i-th time interval, wherein 1≤i≤N, and N is a positive integer greater than or equal to 3.

First claim

What is claimed is:

1. A display panel, comprising a first display region, a second display region, and a control device,
wherein the first display region is on a side of the second display region, and the second display region comprises N display sub-regions; and
the control device is connected to the first display region and the second display region, respectively, and configured to control display of the first display region and display of the second display region in N time intervals within one frame period sequentially, and to control the display of the first display region and display of an i-th display sub-region in the second display region in an i-th time interval,
wherein 1≤i≤N, and N is a positive integer greater than or equal to 3,
wherein the first display region comprises a plurality of first pixel units, and the plurality of first pixel units are defined by an intersection of X1 horizontally arranged first gate lines and Y vertically arranged data lines;
the second display region comprises a plurality of second pixel units, and the plurality of second pixel units are defined by an intersection of X2 horizontally arranged second gate lines and the Y vertically arranged data lines;
the first display region is on a side of all of the N display sub-regions of the second display region along an extending direction of the Y vertically arranged data lines, and the N display sub-regions in the second display region are sequentially arranged along the extending direction of the Y vertically arranged data lines, wherein the N display sub-regions of the second display region includes a first display sub-region and a second display sub-region; and
wherein X1, X2 and Y are positive integers, and
wherein the first display region is a waveguide display region, the first display region further comprises N light sources, and the N light sources are arranged at least on one side of the first display region, wherein the N light sources are overlapped with the plurality of first pixel units of the first display region in an extension direction of the X1 horizontally arranged first gate lines; the second display region is a liquid crystal display region or an organic light-emitting diode display region,
wherein the control device being configured to control the display of the first display region and the display of the second display region in the N time intervals within the one frame period, comprises:
in a first sub-interval of a first time interval within the one frame period, sequentially sending scanning signals to the X1 horizontally arranged first gate lines of the first display region to control the display of the first display region;
in a second sub-interval immediately adjacent to the first sub-interval of the first time interval within the one frame period, sequentially sending scanning signals to the X2 horizontally arranged second gate lines of the first display sub-region of the second display region to control the display of the first display sub-region;
in a first sub-interval of a second time interval immediately adjacent to the second sub-interval of the first time interval within the one frame period, sequentially sending scanning signals to the X1 horizontally arranged first gate lines of the first display region to control the display of the first display region; wherein the X1 horizontally arranged first gate lines of the first display region being sent scanning signals in the first sub-interval of the second time interval and the X1 horizontally arranged first gate lines of the first display region being sent scanning signal in the first sub-interval of the first time interval are identical gate lines; and
in a second sub-interval immediately adjacent to the first sub-interval of the second time interval within the one frame period, sequentially sending scanning signals to the X2 horizontally arranged second gate lines of the second display sub-region of the second display region to control the display of the second display sub-region, and during the second sub-interval of the second time interval, scanning signals are not sent to the X2 horizontally arranged second gate lines of the first display sub-region of the second display region;
wherein the first display sub-region and the second display sub-region are different display sub-regions of the second display region, and are adjacent to each other without being separated by the waveguide display region,
wherein during the second sub-interval of the first time interval and the second sub-interval of the second time interval, scanning signals are sent to different X2 horizontally arranged second gate lines of different display sub-regions of the second display region.

2. The display panel according to claim 1 , wherein the first display region and the second display region share the Y vertically arranged data lines.

3. The display panel according to claim 2 , wherein the control device comprises a row scanning driving circuit and a data driving circuit, the row scanning driving circuit is connected to the X1 horizontally arranged first gate lines and the X2 horizontally arranged second gate lines, and the data driving circuit is connected to the Y vertically arranged data lines.

4. The display panel according to claim 3 , wherein the row scanning driving circuit comprises N+1 row scanning driving sub-circuits, one of the N+1 row scanning driving sub-circuits is connected to the X1 horizontally arranged first gate lines of the first display region, and each of another one of the row scanning driving sub-circuits are connected to the X2 horizontally arranged second gate lines of one display sub-region in the second display region.

5. The display panel according to claim 3 , wherein the data driving circuit comprises a data driver and a light source driver, wherein the data driver is connected to the Y vertically arranged data lines, and the light source driver is connected to the N light sources.

6. The display panel according to claim 5 , wherein the control device being configured to control the display of the first display region and the display of the first display sub-region in the second display region in the first time interval, further comprises:
in the first sub-interval of the first time interval within the one frame period, outputting data signals to the Y vertically arranged data lines through the data driver; and
in the second sub-interval of first time interval within the one frame period, outputting data signals to the Y vertically arranged data lines through the data driver, and outputting a light source turn-on signal to a first light source through the light source driver.

7. A display device, comprising a display panel, wherein the display panel comprises a first display region, a second display region, and a control device;
the first display region is on a side of the second display region, and the second display region comprises N display sub-regions; and
the control device is connected to the first display region and the second display region, respectively, and is configured to control display of the first display region and display of the second display region in N time intervals within one frame period sequentially, and to control the display of the first display region and display of an i-th display sub-region in the second display region in an i-th time interval,
wherein 1≤i≤N, and N is a positive integer greater than or equal to 3,
wherein the first display region comprises a plurality of first pixel units, and the plurality of first pixel units are defined by an intersection of X1 horizontally arranged first gate lines and Y vertically arranged data lines;
the second display region comprises a plurality of second pixel units, and the plurality of second pixel units are defi

Assignees

• Beijing Boe Technology Dev Co Ltd
• Boe Technology Group Co Ltd

Inventors

• Duan Liye
• Liu Zongmin
• Wang Long
• Hou Mengjun
• Lu Yao

Classifications

• G09G3/3688 Primary

  suitable for active matrices only · CPC title

• G09G3/3266 Primary

  Details of drivers for scan electrodes · CPC title

• G09G3/3275

  Details of drivers for data electrodes · CPC title

• G09G3/3677

  suitable for active matrices only · CPC title

• G09G2300/0439

  Pixel structures · CPC title