Display panel, display method and display device

• US 9,779,645 B2
• Filed: 09/26/2014
• Issued: 10/03/2017
• Est. Priority Date: 06/26/2014
• Status: Active Grant

• Current Assignee: Beijing BOE Optoelectronics Technology Co Ltd. (BOE Technology Group Co., Ltd.), BOE Technology Group Co., Ltd.
• Original Assignee: Beijing BOE Optoelectronics Technology Co Ltd. (BOE Technology Group Co., Ltd.), BOE Technology Group Co., Ltd.
• Inventors: Guo, Renwei, Dong, Xue, Liu, Peng, Yang, Kai
• Primary Examiner(s): Patel, Sanjiv D
• Application Number:
  US14/769,923
• Publication Number:
  US 20160247433A1
• Time in Patent Office: 1,103 Days
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2300/0452 Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
• CPC Class Codes: G09G 3/2003 Display of colours specific for liquid crystal displays G09G3/3607
• CPC Class Codes: G09G 3/2074 using sub-pixels
• CPC Class Codes: G09G 3/3208 organic, e.g. using organic light-emitting diodes [OLED]
• CPC Class Codes: H10K 59/351 comprising more than three subpixels, e.g. red-green-blue-white [RGBW]
• CPC Class Codes: H10K 59/353 characterised by the geometrical arrangement of the RGB subpixels

Abstract

A display panel, a display method and a display device are disclosed; the display panel comprises sub pixel units of red (R), green (G), blue (B) and one other color (X), wherein the sub pixel units are arranged into a sub pixel unit array, the sub pixel units in the sub pixel unit array are all in a cross shape, the cross shape being constructed with rectangles with an aspect ratio of 3:1 in transverse and longitudinal directions, and the cross shape having equal lengths in the transverse and longitudinal directions; and respective sub pixel units in the sub pixel unit array are interlaced with each other sequentially and arranged periodically. The display panel makes the pixel structure more compact and the pixel sharing property more obvious.

Claims

1. A display panel, comprising:

sub pixel units of red (R), green (G), blue (B) and one other color (X), wherein;

the sub pixel units are arranged into a sub pixel unit array;

the sub pixel units in the sub pixel unit array are all in a cross shape, the cross shape being constructed with rectangles with an aspect ratio of 3;

1 in transverse and longitudinal directions, and the cross shape having equal lengths in the transverse and longitudinal directions; and

respective sub pixel units in the sub pixel unit array are interlaced with each other sequentially and arranged periodically; and

a row pitch and a column pitch of the sub pixel units are equal, a center pitch of two adjacent sub pixel units in a same row is 5 times of the column pitch, and a center pitch of two adjacent sub pixel units in a same column is 5 times of the row pitch.

2. The display panel according to claim 1, wherein, the one other color (X) is white (W), yellow (Y) or cyan (C).

3. The display panel according to claim 1, wherein, a mutual positional relationship among the sub pixel units in the sub pixel array is defined in such a manner as:

a horizontal axis and a vertical axis are arranged in one plane, abscissa x=R(1), R(2), R(3) . . . R(m), which are arranged from left to right in sequence;

ordinate y=L(1), L(2), L(3) . . . L(n), which are arranged from top to bottom in sequence;

a distance between adjacent abscissas is equal to that between adjacent ordinates; and

positions of the sub pixel units in the plane are respectively;

for Row L(5*i₁+1), respective sub pixel units center at positions with abscissas being R(5k₁+1), where k₁ and i₁ are integers and are greater than or equal to 0;

for Row L(5*i₁+2), respective sub pixel units center at positions with abscissas being R(5k₁+4), where k₂ and i₂ are integers and are greater than or equal to 0;

for Row L(5*i₁+3), respective sub pixel units center at positions with abscissas being R(5k₁+2), where k₃ and i₃ are integers and are greater than or equal to 0;

for Row L(5*i₁+4), respective sub pixel units center at positions with abscissas being R(5k₁+5), where k₄ and i₄ are integers and are greater than or equal to 0; and

for Row L(5*i₁+5), respective sub pixel units center at positions with abscissas being R(5k₁+3), where k₅ and i₅ are integers and are greater than or equal to 0.

4. The display panel according to claim 3, wherein,

an arrangement manner of sub pixel units in a first row y=L(1) involves arranging from left to right according to a periodical cycle of RXBGRXBG in sequence,

an arrangement manner of sub pixel units in a second row y=L(2) involves arranging from left to right according to a periodical cycle of BGRXBGRX in sequence,

an arrangement manner of sub pixel units in a third row y=L(3) involves arranging from left to right according to a periodical cycle of GRXBGRXB in sequence,

an arrangement manner of sub pixel units in a fourth row y=L(4) involves arranging from left to right according to a periodical cycle of XBGRXBGR in sequence,

an arrangement manner of sub pixel units in a fifth row y=L(5) involves arranging from left to right according to a periodical cycle of BGRXBGRX in sequence, and

an arrangement rule of other rows is that, if a sequence of Row L(i) is ABCDABCD, an arrangement sequence of Row L(i+5) is DABCDABC in sequence, where i is a natural number, and ABCD is one of RXBG, BGRX, GRXB and XBGR.

5. The display panel according to claim 3, wherein,

all sub pixel units in Row L(4i−

3) have the same color, which is one of four colors of R, B, G and X;

all sub pixel units in Row L(4i−

2) have the same color, which is another one of four colors of R, B, G and X;

all sub pixel units in Row L(4i−

1) have the same color, which is one of four colors of R, B, G and X but different from the colors of the sub pixel units in Row L(4i−

3) and Row L(4i−

2); and

all sub pixel units in Row L(4i) have the same color, which is one of the four colors of R, B, G and X but different from the colors of the sub pixel units in Row L(4i−

3), Row L(4i−

2) and Row L(4i−

1), where i is a natural number.

6. The display panel according to claim 1, wherein, for sub pixel units of each color in the sub pixel unit array, a sampling region of a corresponding color is arranged in the sub pixel unit array.

7. The display panel according to claim 6, wherein, a shape of the sampling region is a rectangle, the rectangle centers at a sub pixel unit with the corresponding color in a length direction, a length of the rectangle is 7/3 of a transverse length of each sub pixel unit, a width of the rectangle is same as a longitudinal length of each sub pixel unit, and long edges of the rectangle are parallel with or vertical to the horizontal axis.

8. The display panel according to claim 6, wherein, a shape of the sampling region is a parallelogram, and vertexes of the parallelogram are located at centers of the four sub pixel units of same color at adjacent positions.

9. A display device, comprising the display panel according to claim 1.

18. The display panel according to claim 3, wherein, for sub pixel units of each color in the sub pixel unit array, a sampling region of a corresponding color is arranged in the sub pixel unit array.

19. The display panel according to claim 18, wherein, a shape of the sampling region is a rectangle, the rectangle centers at a sub pixel unit with the corresponding color in a length direction, a length of the rectangle is 7/3 of a transverse length of each sub pixel unit, a width of the rectangle is same as a longitudinal length of each sub pixel unit, and long edges of the rectangle are parallel with or vertical to the horizontal axis.

10. A display method of a display panel, comprising:

forming sub pixel units of red (R), green (G), blue (B) and one other color (X), wherein the sub pixel units are arranged into a sub pixel unit array;

wherein the sub pixel units in the sub pixel unit array are all in a cross shape, wherein the cross shape is constructed with rectangles with an aspect ratio of 3;

1 in transverse and longitudinal directions, the cross shape has equal lengths in the transverse and longitudinal directions, and respective sub pixel units in the sub pixel unit array are interlaced with each other sequentially and arranged periodically; and

wherein a row pitch and a column pitch of the sub pixel units are equal, a center pitch of two adjacent sub pixel units in a same row is 5 times of the column pitch, and a center pitch of two adjacent sub pixel units in a same column is 5 times of the row pitch.

11. The display method according to claim 10, further comprising:

for sub pixel units of each color in the sub pixel unit array, dividing a sampling region of the color in the sub pixel unit array; and

selecting different combinations of sampling regions to be turned on according to colors to be displayed.

12. The display method according to claim 11, wherein, the one other color (X) is white (W), yellow (Y) or cyan (C).

13. The display method according to claim 11, wherein, a mutual positional relationship among the sub pixel units in the sub pixel array can be defined in such a manner as:

a horizontal axis and a vertical axis are arranged in a plane, abscissa x=R(1), R(2), R(3) . . . R(m), which are arranged from left to right in sequence;

ordinate y=L(1), L(2), L(3) . . . L(n), which are arranged from top to bottom in sequence;

a distance between adjacent abscissas is equal to that between adjacent ordinates; and

positions of the sub pixel units in the plane are respectively;

for Row L(5*i₁+1), respective sub pixel units center at positions with abscissas being R(5k₁+1), where k₁ and i₁ are integers and are greater than or equal to 0;

for Row L(5*i₁+2), respective sub pixel units center at positions with abscissas being R(5k₁+4), where k₂ and i₂ are integers and are greater than or equal to 0;

for Row L(5*i₁+3), respective sub pixel units center at positions with abscissas being R(5k₁+2), where k₃ and i₃ are integers and are greater than or equal to 0;

for Row L(5*i₁+4), respective sub pixel units center at positions with abscissas being R(5k₁+5), where k₄ and i₄ are integers and are greater than or equal to 0; and

for Row L(5*i₁+5), respective sub pixel units center at positions with abscissas being R(5k₁+3), where k₅ and i₅ are integers and are greater than or equal to 0.

14. The display method according to claim 13, wherein,

an arrangement manner of sub pixel units in a first row y=L(1) involves arranging from left to right according to a periodical cycle of RXBGRXBG in sequence,

an arrangement manner of sub pixel units in a second row y=L(2) involves arranging from left to right according to a periodical cycle of BGRXBGRX in sequence,

an arrangement manner of sub pixel units in a third row y=L(3) involves arranging from left to right according to a periodical cycle of GRXBGRXB in sequence,

an arrangement manner of sub pixel units in a fourth row y=L(4) involves arranging from left to right according to a periodical cycle of XBGRXBGR in sequence,

an arrangement manner of sub pixel units in a fifth row y=L(5) involves arranging from left to right according to a periodical cycle of BGRXBGRX in sequence, and

an arrangement rule of other rows is that if a sequence of Row L(i) is ABCDABCD, an arrangement sequence of Row L(i+5) is DABCDABC in sequence, where i is a natural number, and ABCD is one of RXBG, BGRX, GRXB and XBGR.

15. The display method according to claim 13, wherein,

all sub pixel units in Row L(4i−

3) have the same color, which is one of four colors of R, B, G and X;

all sub pixel units in Row L(4i−

2) have the same color, which is another one of four colors of R, B, G and X;

all sub pixel units in Row L(4i−

1) have the same color, which is one of four colors of R, B, G and X but different from the colors of the sub pixel units in Row L(4i−

3) and Row L(4i−

2); and

all sub pixel units in Row L(4i) have the same color, which is one of the four colors of R, B, G and X but different from the colors of the sub pixel units in Row L(4i−

3), Row L(4i−

2) and Row L(4i−

1), where i is a natural number.

16. The display method according to claim 11, wherein, a shape of the sampling region is a rectangle, the rectangle centers at a sub pixel unit with the corresponding color in a length direction, a length of the rectangle is 7/3 of a transverse length of each sub pixel unit, a width of the rectangle is same as a longitudinal length of each sub pixel unit, and long edges of the rectangle are parallel with or perpendicular to the horizontal axis.

17. The display method according to claim 11, wherein, a shape of the sampling region is a parallelogram, and vertexes of the parallelogram are located at centers of four sub pixel units of same color at adjacent positions.

20. A display panel, comprising:

sub pixel units of red (R), green (G), blue (B) and one other color (X), wherein;

the sub pixel units are arranged into a sub pixel unit array;

the sub pixel units in the sub pixel unit array are all in a cross shape, the cross shape being constructed with rectangles with an aspect ratio of 3;

1 in transverse and longitudinal directions, and the cross shape having equal lengths in the transverse and longitudinal directions; and

respective sub pixel units in the sub pixel unit array are interlaced with each other sequentially and arranged periodically; and

a mutual positional relationship among the sub pixel units in the sub pixel array is defined in such a manner as;

a horizontal axis and a vertical axis are arranged in one plane, abscissa x=R(1), R(2), R(3) . . . R(m), which are arranged from left to right in sequence;

ordinate y=L(1), L(2), L(3) . . . L(n), which are arranged from top to bottom in sequence;

a distance between adjacent abscissas is equal to that between adjacent ordinates; and

positions of the sub pixel units in the plane are respectively;

for Row L(5*i₁+1), respective sub pixel units center at positions with abscissas being R(5k₁+1), where k₁ and i₁ are integers and are greater than or equal to 0;

for Row L(5*i₁+2), respective sub pixel units center at positions with abscissas being R(5k₁+4), where k₂ and i₂ are integers and are greater than or equal to 0;

for Row L(5*i₁+3), respective sub pixel units center at positions with abscissas being R(5k₁+2), where k₃ and i₃ are integers and are greater than or equal to 0;

for Row L(5*i₁+4), respective sub pixel units center at positions with abscissas being R(5k₁+5), where k₄ and i₄ are integers and are greater than or equal to 0; and

for Row L(5*i₁+5), respective sub pixel units center at positions with abscissas being R(5k₁+3), where k₅ and i₅ are integers and are greater than or equal to 0.