IP Library Granted Patent US 10,756,147
Granted Patent B2
US 10,756,147 · App. 15/985,633 · Granted Aug 25, 2020

Organic light-emitting display panel with improved resolution and electronic device

Inventors: Xiaobo Cai (Shanghai, CN); Sitao Huo (Shanghai, CN); Wenxin Jiang (Shanghai, CN)
Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
H01L27/3246G09G3/3208H01L27/3211H01L27/3218H01L27/3248H01L27/3262H01L51/5203G09G2300/0426G09G2300/0452G09G2300/0465H01L27/3276H01L27/3288
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Quick Facts
Patent No.
US 10,756,147
App. No.
15/985,633
Granted
Aug 25, 2020
Kind
B2
Abstract

Provided are an organic light-emitting display panel and an electronic device. The organic light-emitting display panel includes a plurality of sub-pixel units and a plurality of pixel circuits. The sub-pixel units are defined by a bank, the plurality of sub-pixel units emits m different colors, any two adjacent sub-pixel units emit different colors, each of the plurality of sub-pixel units includes n sub-pixels emitting a same color, and each of the sub-pixels includes a first electrode, the first electrodes of any two sub-pixels are separated from each other, where m is 3 or 4, and n is an integer no less than 3. The pixel circuits are arranged in a rectangular array, the pixel circuits are in one-to-one correspondence with the sub-pixels, and each of the pixel circuits is electrically connected to the corresponding first electrode via a connecting wire.

Claims (30)

1. An organic light-emitting display panel, comprising:

a plurality of sub-pixel units, defined by a bank, wherein the plurality of sub-pixel units emits m different colors, any two adjacent sub-pixel units of the plurality of sub-pixel units emit different colors, each of the plurality of sub-pixel units comprises n sub-pixels emitting a same color, each of the n sub-pixels comprises a first electrode, first electrodes of any two of the n sub-pixels are separated from each other, wherein m is 3 or 4, and n is an integer no less than 3; and

a plurality of pixel circuits, arranged in a rectangular array, wherein the plurality of pixel circuits is in one-to-one correspondence with then sub-pixels of the plurality of sub-pixel units, and wherein each pixel circuit of the plurality of pixel circuits is electrically connected to the first electrode of the corresponding sub-pixel via a connecting wire;

wherein the plurality of sub-pixel units each has a shape of a triangle and comprises three sub-pixels, wherein the plurality of sub-pixel units each has a shape of a triangle and comprises three sub-pixels

wherein the organic light-emitting display panel further comprises a plurality of scanning lines and a plurality of data lines, wherein the plurality of pixel circuits each has a height of H along a direction of the plurality of data lines and a length of P/3 along a direction of the plurality of scanning lines, wherein the plurality of sub-pixel units each has a height of 2H along the direction of the plurality of data lines and a length of P of a base line of the each sub-pixel unit along the direction of the plurality of scanning lines, where P is a distance between two nearby sides of two adjacent sub-pixel units emitting a same color of the plurality of sub-pixel units along scanning line direction.

2. The organic light-emitting display panel according to claim 1 , wherein the plurality of pixel circuits each comprises a light-emitting control transistor, wherein the light-emitting control transistor comprises a source electrode, a drain electrode and a gate electrode, wherein the drain electrode is electrically connected to said first electrode via the connecting wire.

3. The organic light-emitting display panel according to claim 2 , wherein a film layer in which the connecting wire is located is disposed between a film layer the first electrode is located and a film layer the drain electrode is located.

4. The organic light-emitting display panel according to claim 1 , wherein the connecting wire and the first electrode are disposed in a same layer.

5. The organic light-emitting display panel according to claim 1 , wherein a projection of the connecting wire in a direction perpendicular to the organic light-emitting display panel does not overlap with a first electrode not corresponding to the connecting wire.

6. The organic light-emitting display panel according to claim 1 , further comprising: a plurality of scanning lines and a plurality of data lines,

wherein a pixel is formed by every m adjacent sub-pixels of the sub-pixels emitting different colors, m pixel circuits of the plurality of pixel circuits corresponding to the m adjacent sub-pixels of the sub-pixels emitting different colors of the pixel are electrically connected to m adjacent data lines of the plurality of data lines, and a plurality of pixel circuits corresponding to all the sub-pixels of a plurality of pixels in a same row are electrically connected to one of the plurality of scanning lines.

7. The organic light-emitting display panel according to claim 6 , the plurality of pixel circuits corresponding to all the sub-pixels emitting a same color in a same column are electrically connected to one of the plurality of data lines.

8. The organic light-emitting display panel according to claim 1 , further comprising: a plurality of data lines, arranged in parallel in the rectangular array of the plurality of pixel circuits, and intersecting and insulated from each other in a step area on a periphery of the plurality of pixel circuits.

9. The organic light-emitting display panel according to claim 1 , wherein the plurality of sub-pixel units each has a shape of an isosceles triangle and is divided into a first sub-pixel, a second sub-pixel and a third sub-pixel according to a letter “T”.

10. The organic light-emitting display panel according to claim 9 , wherein the first sub-pixel has a shape of an isosceles triangle containing a vertex angle of the isosceles triangle of the each sub-pixel unit, wherein the second sub-pixel and the third sub-pixel either have a same shape of a right-angled trapezoid containing a base angle of the isosceles triangle of the each sub-pixel unit, or have the shape of said rectangle as the first sub-pixel.

11. The organic light-emitting display panel according to claim 1 , wherein the plurality of sub-pixel units each has a shape of an equilateral triangle and comprises a first sub-pixel, a second sub-pixel and a third sub-pixel, evenly arranged and each has a same shape and takes a center of said sub-pixel unit as a vertex point.

12. The organic light-emitting display panel according to claim 1 , wherein the first, second and third sub-pixels of said sub-pixel unit correspond to three pixel circuits of the plurality of pixel circuits formed between pixel circuits in two columns and two adjacent rows.

13. An organic light-emitting display panel, comprising:

a plurality of sub-pixel units, defined by a bank, wherein the plurality of sub-pixel units emits m different colors, any two adjacent sub-pixel units of the plurality of sub-pixel units emit different colors, each of the plurality of sub-pixel units comprises n sub-pixels emitting a same color, each of the n sub-pixels comprises a first electrode, first electrodes of any two of the n sub-pixels are separated from each other, wherein m is 3 or 4, and n is an integer no less than 3; and

a plurality of pixel circuits, arranged in a rectangular array, wherein the plurality of pixel circuits is in one-to-one correspondence with then sub-pixels of the plurality of sub-pixel units, and wherein each pixel circuit of the plurality of pixel circuits is electrically connected to the first electrode of the corresponding sub-pixel via a connecting wire;

wherein the plurality of sub-pixel units each has a shape of a hexagon and comprises evenly arranged six sub-pixels sharing a center of said sub-pixel unit as a vertex point; and

wherein the organic light-emitting display panel further comprises a plurality of scanning lines and a plurality of data lines, wherein the plurality of pixel circuits each has a height of H along a direction of the plurality of data lines and a length of P/3 along a direction of the plurality of scanning lines, wherein the plurality of sub-pixel units each has a height of 2H along the direction of the plurality of data lines and a length of 4P/3 along the direction of the plurality of scanning lines, where P is a distance between two nearby sides of two adjacent sub-pixel units emitting a same color of the plurality of sub-pixel units along scanning line direction.

14. The organic light-emitting display panel according to claim 13 , wherein the six sub-pixels correspond to six of the plurality of pixel circuits formed in two columns and three adjacent rows.

15. An electronic device, comprising an organic light-emitting display panel, wherein the organic light-emitting display panel comprises:

a plurality of sub-pixel units, which are defined by a bank, wherein the plurality of sub-pixel units have m different colors, any two adjacent sub-pixel units of the plurality of sub-pixel units have different colors, each of the plurality of sub-pixel units comprises n sub-pixels of a same color, each of the sub-pixels comprises a first electrode, first electrodes of any two of the sub-pixels are separated from each other, wherein m is 3 or 4, and n is a integer no less than 3; and

a plurality of pixel circuits, which are arranged in a rectangular array, wherein the plurality of pixel circuits are in one-to-one correspondence with the sub-pixels, and each pixel circuit of the plurality of pixel circuits is electrically connected to the first electrode corresponding to the each pixel circuit via a connecting wire;

wherein the plurality of sub-pixel units each has a shape of a triangle and comprises three sub-pixels, wherein the plurality of sub-pixel units each has a shape of a triangle and comprises three sub-pixels; and

wherein the organic light-emitting display panel further comprises a plurality of scanning lines and a plurality of data lines, wherein the plurality of pixel circuits each has a height of H along a direction of the plurality of data lines and a length of P/3 along a direction of the plurality of scanning lines, wherein the plurality of sub-pixel units each has a height of 2H along the direction of the plurality of data lines and a length of P of a base line of the each sub-pixel unit along the direction of the plurality of scanning lines, where P is a distance between two nearby sides of two adjacent sub-pixel units emitting a same color of the plurality of sub-pixel units along scanning line direction.

16. The electronic device according to claim 15 , wherein the plurality of pixel circuits each comprises a light-emitting control transistor, the light-emitting control transistor comprises a source electrode, a drain electrode and a gate electrode, wherein the drain electrode is electrically connected to said first electrode via the connecting wire.

17. The electronic device according to claim 16 , wherein a film layer the connecting wire is located is disposed between a film layer the first electrode is located and a film layer the drain electrode is located.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 22, 2018
From: CAI, XIAOBO; HUO, SITAO; JIANG, WENXIN
To: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Reel/Frame 045876/0445 →
Priority Claims (1)
CN 2017 1 1243705 · Nov 30, 2017 · national
Continuity (1)
Related Publication 20180269268A1 · Sep 20, 2018