IP Library › Granted Patent US 11,107,871
Granted Patent B2
US 11,107,871 · App. 16/307,489 · Granted Aug 31, 2021

AMOLED display panel and corresponding display device

Inventors: Mian Zeng (Hubei, CN); Liang Sun (Hubei, CN); Shoucheng Wang (Hubei, CN)
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
H01L27/3262G09G3/3233H01L27/3276G09G2300/0439H01L27/1222H01L27/3265
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Quick Facts
Patent No.
US 11,107,871
App. No.
16/307,489
Granted
Aug 31, 2021
Kind
B2
Abstract

The present disclosure provides an active-matrix organic light-emitting diode (AMOLED) display panel and a display device. The AMOLED display panel includes a plurality of first pixel units and a plurality of second pixel units. The first pixel unit includes a first sub-pixel and a second sub-pixel. The present disclosure is achieved by the first sub-pixel and the second sub-pixel in the first pixel unit to share one of the data lines, and by another first sub-pixel and a third sub-pixel in the second pixel unit to share one of the data lines, such that a quantity of data lines and a quantity of fan-out wires are reduced, so as to reduce a size of a lower bezel.

Claims (30)

1. An active-matrix organic light-emitting diode (AMOLED) display panel, comprising a plurality of first pixel units and a plurality of second pixel units, wherein the first pixel units and the second pixel units are alternately disposed along a horizontal direction and along a vertical direction to form a pixel structure arranged in a matrix manner;

wherein the first pixel unit comprises a first sub-pixel and a second sub-pixel disposed side by side with the first sub-pixel; wherein the second pixel unit comprises another first sub-pixel and a third sub-pixel disposed side by side with the another first sub-pixel; wherein the first pixel unit and a third sub-pixel adjacent to the second pixel unit constitute a pixel point, and the second pixel unit and a second sub-pixel adjacent to the first pixel unit constitute a pixel point;

wherein the pixel structure comprises a plurality of data lines connected to sub-pixels; wherein in the first pixel unit, the first sub-pixel and the second sub-pixel are arranged along a direction in which the data lines extend, and the first sub-pixel and the second sub-pixel share one of the data lines; wherein in the second pixel unit, the first sub-pixel and the third sub-pixel are arranged along the direction in which the data lines extend, and the first sub-pixel and the third sub-pixel share one of the data lines;

wherein the first sub-pixel, the second sub-pixel and the third sub-pixel are rectangular and have areas in equal, and a direction extending along a long side of each of the first sub-pixel, the second sub-pixel, and the third sub-pixel is perpendicular to the direction in which the data lines extend; and

wherein the pixel structure comprises a pixel circuit configured to drive any one of the first sub-pixel, the second sub-pixel, and the third sub-pixel to emit light, and the pixel circuit is one of 7T1C, 6T1C, 6T2C, 5T1C, and 4T1C.

2. The AMOLED display panel as claimed in claim 1 , wherein the pixel circuit is a 7T1C pixel circuit, and the 7T1C pixel circuit comprises a driving transistor configured to determine driving current of a driving circuit; and

the driving transistor comprises a linear first active layer and a linear first gate disposed on the first active layer, the first active layer comprises a channel area overlapping with the first gate, and the channel area is linear.

3. The AMOLED display panel as claimed in claim 2 , wherein the 7T1C pixel circuit comprises a capacitor for voltage compensation, the capacitor comprises a straight-strip-shaped lower electrode plate and a straight-strip-shaped upper electrode plate located over the straight-strip-shaped lower electrode plate, and the first gate is a part of the straight-strip-shaped lower electrode plate.

4. The AMOLED display panel as claimed in claim 1 , wherein the pixel circuit is a 7T1C pixel circuit, and the 7T1C pixel circuit comprises a transistor configured to control a reference signal transmitted to a control end of a driving transistor; and

the transistor comprises a U-shaped second active layer and an oblique-line-shaped second gate disposed on the second active layer, the second active layer comprises two strip-shaped portions disposed in parallel, the second gate overlaps with the two strip-shaped portions, the second active layer comprises a first channel area in which the second gate obliquely overlaps with one of the strip-shaped portions, and a second channel area in which the second gate obliquely overlaps with the other of the strip-shaped portions, wherein the first channel area and the second channel area are oblique-line-shaped.

5. An active-matrix organic light-emitting diode (AMOLED) display panel, comprising a plurality of first pixel units and a plurality of second pixel units, wherein the first pixel units and the second pixel units are alternately disposed along a horizontal direction and along a vertical direction to form a pixel structure arranged in a matrix manner;

wherein the first pixel unit comprises a first sub-pixel and a second sub-pixel disposed side by side with the first sub-pixel; wherein the second pixel unit comprises another first sub-pixel and a third sub-pixel disposed side by side with the another first sub-pixel; wherein the first pixel unit and a third sub-pixel adjacent to the second pixel unit constitute a pixel point, and the second pixel unit and a second sub-pixel adjacent to the first pixel unit constitute a pixel point;

wherein the pixel structure further comprises a plurality of data lines connected to sub-pixels; wherein in the first pixel unit, the first sub-pixel and the second sub-pixel are arranged along a direction in which the data lines extend, and the first sub-pixel and the second sub-pixel share one of the data lines; and wherein in the second pixel unit, the first sub-pixel and the third sub-pixel are arranged along the direction in which the data lines extend, and the first sub-pixel and the third sub-pixel share one of the data lines.

6. The AMOLED display panel as claimed in claim 5 , wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel are rectangular and have areas in equal, and a direction extending along a long side of each of the first sub-pixel, the second sub-pixel, and the third sub-pixel is perpendicular to the direction in which the data lines extend.

7. The AMOLED display panel as claimed in claim 5 , wherein the pixel structure comprises a pixel circuit configured to drive any one of the first sub-pixel, the second sub-pixel, and the third sub-pixel to emit light, and the pixel circuit is one of 7T1C, 6T1C, 6T2C, 5T1C, and 4T1C.

8. The AMOLED display panel as claimed in claim 7 , wherein the pixel circuit is a 7T1C pixel circuit, and the 7T1C pixel circuit comprises a driving transistor configured to determine driving current of a driving circuit; and

the driving transistor comprises a linear first active layer and a linear first gate disposed on the first active layer, the first active layer comprises a channel area overlapping with the first gate, and the channel area is straight-line-shaped.

9. The AMOLED display panel as claimed in claim 8 , wherein the 7T1C pixel circuit comprises a capacitor for voltage compensation, the capacitor comprises a straight-strip-shaped lower electrode plate and a straight-strip-shaped upper electrode plate located over the straight-strip-shaped lower electrode plate, and the first gate is a portion of the straight-strip-shaped lower electrode plate.

10. The AMOLED display panel as claimed in claim 7 , wherein the pixel circuit is a 7T1C pixel circuit, and the 7T1C pixel circuit comprises a transistor configured to control a reference signal transmitted to a control end of a driving transistor; and

the transistor comprises a U-shaped second active layer and an oblique-line-shaped second gate disposed on the second active layer, the second active layer comprises two strip-shaped portions disposed in parallel, the second gate overlaps with the two strip-shaped portions, the second active layer comprises a first channel area in which the second gate obliquely overlaps with one of the strip-shaped portions, and a second channel area in which the second gate obliquely overlaps with the other of the strip-shaped portions, wherein the first channel area and the second channel area are oblique-line-shaped.

11. A display device, comprising an active-matrix organic light-emitting diode (AMOLED) display panel, which comprises a plurality of first pixel units and a plurality of second pixel units, wherein the first pixel units and the second pixel units are alternately disposed along a horizontal direction and along a vertical direction to form a pixel structure arranged in a matrix manner;

wherein the first pixel unit comprises a first sub-pixel and a second sub-pixel disposed side by side with the first sub-pixel; wherein the second pixel unit comprises another first sub-pixel and a third sub-pixel disposed side by side with the another first sub-pixel; wherein the first pixel unit and a third sub-pixel adjacent to the second pixel unit constitute a pixel point, and the second pixel unit and a second sub-pixel adjacent to the first pixel unit constitute a pixel point;

wherein the pixel structure further comprises a plurality of data lines connected to sub-pixels; wherein in the first pixel unit, the first sub-pixel and the second sub-pixel are arranged along an extending direction of the data lines, and the first sub-pixel and the second sub-pixel share one of the data lines; and wherein in the second pixel unit, the first sub-pixel and the third sub-pixel are arranged along the extending direction of the data lines, and the first sub-pixel and the third sub-pixel share one of the data lines.

12. The display device as claimed in claim 11 , wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel are rectangular and have areas in equal; and an extending direction of a long side of each of the first sub-pixel, the second sub-pixel and the third sub-pixel is perpendicular to the extending direction of the data lines.

13. The display device as claimed in claim 11 , wherein the pixel structure comprises a pixel circuit configured to drive any one of the first sub-pixel, the second sub-pixel, and the third sub-pixel to emit light, and the pixel circuit is one of 7T1C, 6T1C, 6T2C, 5T1C, and 4T1C.

14. The display device as claimed in claim 13 , wherein the pixel circuit is a 7T1C pixel circuit, and the 7T1C pixel circuit comprises a driving transistor configured to determine driving current of a driving circuit; and

the driving transistor comprises a linear first active layer and a linear first gate disposed on the first active layer, the first active layer comprises a channel area overlapping with the first gate, and the channel area is straight-line-shaped.

15. The display device as claimed in claim 14 , wherein the 7T1C pixel circuit comprises a capacitor for voltage compensation, the capacitor comprises a straight-strip-shaped lower electrode plate and a straight-strip-shaped upper electrode plate located over the straight-strip-shaped lower electrode plate, and the first gate is a portion of the straight-strip-shaped lower electrode plate.

16. The display device as claimed in claim 13 , wherein the pixel circuit is a 7T1C pixel circuit, and the 7T1C pixel circuit comprises a transistor configured to control a reference signal transmitted to a control end of a driving transistor; and

the transistor comprises a U-shaped second active layer and an oblique-line-shaped second gate disposed on the second active layer, the second active layer comprises two strip-shaped portions disposed in parallel, the second gate overlaps with the two strip-shaped portions, the second active layer comprises a first channel area in which the second gate obliquely overlaps with one of the strip-shaped portions, and a second channel area in which the second gate obliquely overlaps with the other of the strip-shaped portions, wherein the first channel area and the second channel area are oblique-line-shaped.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 6, 2018
From: ZENG, MIAN; SUN, LIANG; WANG, SHOUCHENG
To: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Reel/Frame 047686/0059 →
Priority Claims (1)
CN 201811040801.5 · Sep 7, 2018 · national
Continuity (1)
Related Publication 20210225974A1 · Jul 22, 2021
Cited By (1)
US 12,295,211