Display device and display system having the same

CN114360442BActive Publication Date: 2026-08-28SAMSUNG DISPLAY CO LTD
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Patent Information

Application Number
CN202111191713.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-10-13
Filing Date
2021-10-13
Publication Date
2026-08-28
Estimated Expiration
2041-10-13

AI Technical Summary

Benefits of technology

[0028]根据显示装置和包括显示装置的显示系统,栅极驱动电路的正常级可以设置在显示面板的显示区域中,并且将复位信号输出到正常级的虚设级可以设置在数据驱动器中、印刷电路板上或控制板上,从而可以减小显示装置的死区。

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Abstract

The present application relates to a display device and a display system. The display device includes a display panel, a data driver, and a gate driver circuit. The display panel includes pixels, data lines, and gate lines. The data driver applies a data voltage to the data lines. The data driver includes dummy stages. The gate driver circuit applies a gate signal to the gate lines and is disposed between opening portions in a display area of the display panel. The gate driver circuit includes normal stages that output the gate signal to the gate lines. The dummy stages output a reset signal to at least one of the normal stages.
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Claims

1. A display device, comprising: The display panel includes multiple pixels, multiple data lines, and multiple gate lines; A data driver applies multiple data voltages to the multiple data lines, the data driver including multiple dummy stages; as well as A gate driving circuit applies multiple gate signals to the plurality of gate lines. The gate driving circuit is disposed between openings in the display area of ​​the display panel. The gate driving circuit includes multiple normal stages that output the multiple gate signals to the multiple gate lines, and The plurality of dummy levels output a reset signal to at least one of the plurality of normal levels.

2. The display device according to claim 1, wherein, The data driver is electrically connected to the display panel at a first side of the display panel.

3. The display device according to claim 2, wherein, Scanning the plurality of normal levels from the second side of the display panel to the first side of the display panel, and The first side and the second side of the display panel are opposite to each other.

4. The display device according to claim 1, wherein, One of the plurality of normal levels outputs one of the plurality of gate signals to a pixel row, and The normal level is set in the region corresponding to multiple pixel columns.

5. The display device according to claim 1, wherein, The gate drive circuit includes a normal stage column. A dummy level column corresponding to the normal level column is set in a data driver chip of the data driver. The normal level column includes the plurality of normal levels, and The dummy level column includes the plurality of dummy levels.

6. The display device according to claim 1, wherein, The gate drive circuit includes multiple normal stages. Multiple dummy-level columns corresponding to the multiple normal-level columns are configured in multiple data driver chips of the data driver. The plurality of normal level columns include the plurality of normal levels, and The plurality of dummy-level columns include the plurality of dummy levels.

7. The display device according to claim 6, wherein, The number of the plurality of dummy-level columns is the same as the number of the plurality of normal-level columns, and The number of the plurality of data driver chips is the same as the number of the plurality of dummy level columns.

8. A display device, comprising: The display panel includes multiple pixels, multiple data lines, and multiple gate lines; A data driver includes multiple data driver chips that apply multiple data voltages to the multiple data lines; A gate driving circuit applies multiple gate signals to the multiple gate lines, and the gate driving circuit is disposed between the openings in the display area of ​​the display panel; as well as A printed circuit board, electrically connected to the plurality of data driver chips, the printed circuit board including a plurality of dummy levels, wherein... The gate driving circuit includes multiple normal stages that output the multiple gate signals to the multiple gate lines, and The plurality of dummy levels output a reset signal to at least one of the plurality of normal levels.

9. The display device according to claim 8, wherein, The plurality of data driver chips are electrically connected to the display panel at a first side of the display panel. Scanning the plurality of normal levels from the second side of the display panel to the first side of the display panel, and The first side and the second side of the display panel are opposite to each other.

10. The display device according to claim 8, wherein, The gate drive circuit includes multiple normal stages. Multiple dummy columns corresponding to the multiple normal columns are disposed on the printed circuit board. The plurality of normal level columns include the plurality of normal levels, and The plurality of dummy-level columns include the plurality of dummy levels.

11. The display device according to claim 10, wherein, The number of the plurality of dummy level columns is the same as the number of the plurality of normal level columns.

12. The display device according to claim 8, wherein, The gate drive circuit includes multiple normal columns, and A dummy level column is set on the printed circuit board.

13. The display device according to claim 12, wherein, The dummy level column receives a carry signal from one of the plurality of normal level columns, and The dummy level column outputs the reset signal to the plurality of normal level columns.

14. A display device, comprising: The display panel includes multiple pixels, multiple data lines, and multiple gate lines; A data driver includes multiple data driver chips that apply multiple data voltages to the multiple data lines; A gate driving circuit applies multiple gate signals to the multiple gate lines, and the gate driving circuit is disposed between the openings in the display area of ​​the display panel; The drive controller outputs control signals to the data driver and the gate drive circuit; A printed circuit board electrically connected to the plurality of data driver chips; as well as A control board, electrically connected to the printed circuit board, the control board including multiple dummy levels, wherein... The drive controller is mounted on the control board. The gate driving circuit includes multiple normal stages that output the multiple gate signals to the multiple gate lines, and The plurality of dummy levels output a reset signal to at least one of the plurality of normal levels.

15. The display device according to claim 14, wherein, The plurality of data driver chips are electrically connected to the display panel at a first side of the display panel. Scanning the plurality of normal levels from the second side of the display panel to the first side of the display panel, and The first side and the second side of the display panel are opposite to each other.

16. The display device according to claim 14, wherein, The gate drive circuit includes multiple normal stages. Multiple virtual level columns corresponding to the multiple normal level columns are arranged on the control panel. The plurality of normal level columns include the plurality of normal levels, and The plurality of dummy-level columns include the plurality of dummy levels.

17. The display device according to claim 16, wherein, The number of the plurality of dummy level columns is the same as the number of the plurality of normal level columns.

18. The display device according to claim 14, wherein, The gate drive circuit includes multiple normal columns, and A dummy level column is set on the control panel.

19. The display device according to claim 18, wherein, The dummy level column receives a carry signal from one of the plurality of normal level columns, and The dummy level column outputs the reset signal to the plurality of normal level columns.

20. A display system, including: A plurality of display devices connected to each other, wherein each of the plurality of display devices includes: The display panel includes multiple pixels, multiple data lines, and multiple gate lines; A data driver applies multiple data voltages to the plurality of data lines, the data driver including multiple dummy stages; and A gate driving circuit applies multiple gate signals to the plurality of gate lines. The gate driving circuit is disposed between openings in the display area of ​​the display panel. The gate driving circuit includes multiple normal stages that output the multiple gate signals to the multiple gate lines, and The plurality of dummy levels output a reset signal to at least one of the plurality of normal levels.

Citation Information

Patent Citations

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