TWM555482U - Pixel arrangement structure and associated display - Google Patents

Abstract

The utility model is related to a structure of pixel arrangement and associated display. According to an embodiment, the structure of pixel arrangement includes: a plurality of minimum repeating units along row and column directions. Each minimum repeating unit includes a first sub-pixel row, a second sub-pixel row, a third sub-pixel row and a fourth sub-pixel row along the column direction. The first sub-pixel row includes a first sub-pixel and a second sub-pixel along the row direction. The second sub-pixel column includes two third sub-pixels along the row direction. The third sub-pixel includes the second sub-pixel located and the first sub-pixel along the row direction. The fourth sub-pixel column includes two third sub-pixels along the row direction.

Description

Pixel arrangement structure and display device

The embodiments of the present invention relate to the field of display technologies, and in particular, to a pixel arrangement structure and a display device.

Organic light emitting diode (OLED) displays have been gradually applied to display panels of various display devices due to their advantages of high contrast, wide viewing angle, fast response speed, and high photoelectric conversion efficiency. In the past, most of the evaporation process was used in the process of manufacturing the display panel, and the organic material of any one of the red, blue and green colors needs to be masked by the mask to cover the sub-pixel regions of the other two colors, and in the above evaporation process. It is easy to cause misalignment in the row direction or column direction, causing a problem of color mixing of each sub-pixel. In order to accommodate the manufacturing technology of the mask and the evaporation process, the conventional OLED pixel arrangement generally has certain innate limitations in the arrangement. However, with the advancement of the OLED display panel process, the existing pixel arrangement structure and display device have room for improvement.

One of the aims of the present invention is to provide a pixel arrangement structure capable of achieving a flexible arrangement and a high product yield at low cost. According to an embodiment of the present invention, a pixel arrangement structure is provided, comprising: a plurality of minimum repeating units arranged in a column direction and a row direction, wherein each of the minimum repeating units includes a first column in sequence along the row direction a pixel, a second column of sub-pixels, a third column of sub-pixels, and a fourth column of sub-pixels, wherein: the first column of sub-pixels sequentially includes a first sub-pixel and a second sub-pixel along the column direction, and the second column of sub-pixels Included in the column direction, two third sub-pixels, the second column sub-pixel sequentially includes the second sub-pixel and the first sub-pixel along the column direction, and the fourth column sub-pixel along the column The direction includes two of the third sub-pixels, and wherein the second column sub-pixel and the fourth column sub-pixel are staggered in the column direction from the first column sub-pixel and the third column sub-pixel, and the staggered distance is less than a length of the third sub-pixel along the column direction. In another embodiment of the present disclosure, a pixel arrangement structure is provided, including: a plurality of minimum repeating units arranged in a column direction and a row direction, wherein each of the minimum repeating units includes a first one in the row direction a column sub-pixel, a second column sub-pixel, a third column sub-pixel, and a fourth column sub-pixel, wherein: the first column sub-pixel includes two first sub-pixels and two second sub-pixels in sequence in the column direction, The two columns of sub-pixels include four third sub-pixels along the column direction, and the third column of sub-pixels sequentially includes two of the second sub-pixels and two of the first sub-pixels along the column direction, Four columns of sub-pixels include four of the third sub-pixels along the column direction, and wherein the second column of sub-pixels and the fourth column of sub-pixels are along a column direction with the first column of sub-pixels and the third column of sub-pixels The pixels are staggered, and the staggered distance is smaller than the length of the third sub-pixel along the column direction. In another embodiment of the present invention, a display device is provided, the pixel arrangement structure of the display device including the pixel arrangement structure described above. The pixel arrangement structure provided by the present embodiment can be formed by photoresist development, without using a costly vapor deposition reticle, and having a flexible pixel arrangement.

Although the present invention has been described and illustrated with reference to specific embodiments of the present invention, such description and description are not limiting of the present invention. It will be understood by those skilled in the art that various changes and alternatives may be made without departing from the true spirit and scope of the invention as defined by the appended claims. The pixel arrangement structure provided by the present embodiment is different from the conventional pixel composition. Conventionally, each pixel unit usually has 3 sub-pixels (1 set of complete RGB), that is to say, 6 sub-pixels (2 sets of complete RGB) are included in the area of two pixel units. The pixel arrangement structure of the present embodiment includes only four sub-pixels in the area of two pixel units. In the case of replacing the conventional six sub-pixel composition modes, the display device provided by the present embodiment can be processed by an algorithm to achieve an approximate 6 The display of the sub-pixels. The pixel arrangement structure and the display device provided by the present creative embodiment will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present embodiments will be apparent from the description and claims. It should be noted that the drawings are in a very simplified form and all use non-precision ratios, and are only used to conveniently and clearly assist the description of the pixel arrangement structure of the embodiment of the present embodiment without using the conventional vapor deposition process. In order to improve product yield, simplify process flow, and reduce production cost, the pixel arrangement structure of the present embodiment is formed by a photoresist development method. the goal of. FIG. 1 is a schematic diagram showing the arrangement of a pixel arrangement structure 100 according to an embodiment of the present invention. 2A is a partial schematic view of the pixel arrangement structure 100 shown in FIG. 1. As shown in FIG. 1, a pixel arrangement structure 100 according to an embodiment of the present invention includes a plurality of minimum repeating units 100a arranged in a column direction (X direction) and a row direction (Y direction). The plurality of minimum repeating units 100a are arranged in a matrix in the column direction and the row direction. The column direction is the gate line direction, and the row direction is the source line direction. However, the present embodiment is not limited thereto, and the gate line direction and the source line direction may also be interchanged. Referring now to FIGS. 1 and 2A, each of the minimum repeating units 100a includes a first column of sub-pixels 101, a second column of sub-pixels 102, a third column of sub-pixels 103, and a fourth column of sub-pixels 104 arranged in the row direction. The first column sub-pixel 101 includes a first sub-pixel 101a and a second sub-pixel 101b in order from left to right in the column direction. The second column of sub-pixels 102 includes two third sub-pixels 102a along the column direction. The third column sub-pixel 103 includes the second sub-pixel 101b and the first sub-pixel 101a in order from left to right in the column direction. The fourth column of sub-pixels 104 includes two third sub-pixels 102a along the column direction. Moreover, the second column sub-pixel 102 and the fourth column sub-pixel 104 are offset from the first column sub-pixel 101 and the third column sub-pixel 103 in the column direction, and the distance of the offset is smaller than the length of the third sub-pixel 102a, for example, may be about half a The length of the three sub-pixels 102a is not limited thereto, and the first sub-pixel 101a and the second sub-pixel 101b of the same column are respectively shifted from the third sub-pixel 102a. Each of the sub-pixels includes a light-emitting area (display area) and a non-light-emitting area (non-display area), and the light-emitting area of each sub-pixel includes a cathode, an anode, and an electroluminescent layer (organic emission layer). The electroluminescent layer is positioned between the cathode and the anode for generating a predetermined color of light for display. The first sub-pixel 101a, the second sub-pixel 101b, and the third sub-pixel 102a are three sub-pixels of different colors selected from any one of red, blue, and green. The first sub-pixel 101a, the second sub-pixel 101b, and the third sub-pixel 102a may have substantially the same area. The ratio of the length of the first sub-pixel 101a, the second sub-pixel 101b, and the third sub-pixel 102a in the row direction to the length in the column direction may be about 0.2 to 0.8. The opposite sides of adjacent sub-pixels are parallel to each other. In some embodiments, the shortest distances between adjacent sub-pixels are equal. The first column sub-pixel 101 and the second column sub-pixel 102 collectively comprise an area of two pixel units in a column direction, wherein each pixel unit is composed of one complete sub-pixel and two other partial sub-pixels, the other The two sub-pixels are the same sub-pixel and are different from the complete sub-pixel. For example, the pixel unit 110 is composed of a complete first sub-pixel 101a and two 1/2 third sub-pixels 102a. The third column sub-pixel 103 and the fourth column sub-pixel 104 collectively comprise an area of two pixel units in a column direction, wherein each pixel unit is composed of one complete sub-pixel and two other partial sub-pixels. The sub-pixels of the other two parts are the same sub-pixel and are different from the complete sub-pixel. For example, the pixel unit 112 is shared by one complete second sub-pixel 101b and two 1/2 third sub-pixels 102a. Composition. In the single minimum repeating unit 100a, two complete pixel units 110 and 112 are included in the row direction. The pixel arrangement structure 100 provided by the present embodiment can be formed by photoresist development, and the fabrication cost is low. In addition, the first sub-pixel 101a, the second sub-pixel 101b, and the third sub-pixel 201a of the pixel arrangement structure 100 provided by the present embodiment are three different colors selected from any one of red, blue, and green. Pixels, so subpixels have a flexible pixel arrangement. The division of the minimum repeating unit of the present embodiment is not limited to the division manner of the minimum repeating unit 100a shown in FIGS. 1 and 2A. For example, FIG. 2B is a schematic diagram showing the manner in which the pixel arrangement structure 100 shown in FIG. 1 has another minimum repeating unit 100b. The pixel arrangement structure 100 shown in FIG. 2B includes a plurality of minimum repeating units 100b arranged in a column direction (X direction) and a row direction (Y direction). The plurality of minimum repeating units 100b are arranged in a matrix in the column direction and the row direction. Each of the minimum repeating units 100b includes, in order from the row direction, a first column of sub-pixels 101', a second column of sub-pixels 102', a third column of sub-pixels 103', and a fourth column of sub-pixels 104'. The first column sub-pixel 101' includes the second sub-pixel 101b and the first sub-pixel 101a in order from left to right in the column direction. The second column of sub-pixels 102' includes two third sub-pixels 102a from left to right in the column direction. The third column sub-pixel 103' includes the first sub-pixel 101a and the second sub-pixel 101b in order from left to right in the column direction. The fourth column of sub-pixels 104' includes two third sub-pixels 102a from left to right in the column direction. Moreover, the second column sub-pixel 102' and the fourth column sub-pixel 104' are staggered in the column direction from the first column sub-pixel 101' and the third column sub-pixel 103', and the offset distance is smaller than the length of the third sub-pixel 102a in the column direction, but The first sub-pixel 101a and the second sub-pixel 101b of the same row are respectively shifted from the third sub-pixel 102a. Each of the sub-pixels includes a light-emitting area (display area) and a non-light-emitting area (non-display area), and the light-emitting area of each sub-pixel includes a cathode, an anode, and an electroluminescent layer (organic emission layer). The electroluminescent layer is positioned between the cathode and the anode for generating a predetermined color of light for display. The first sub-pixel 101a, the second sub-pixel 101b, and the third sub-pixel 102a are three sub-pixels of different colors selected from any one of red, blue, and green. The first sub-pixel 101a, the second sub-pixel 101b, and the third sub-pixel 102a have substantially the same area. The ratio of the length of the first sub-pixel 101a, the second sub-pixel 101b, and the third sub-pixel 102a in the row direction to the length in the column direction may be about 0.2 to 0.8. The opposite sides of adjacent sub-pixels are parallel to each other. In some embodiments, the shortest distances between adjacent sub-pixels are equal. Further, in the single minimum repeating unit 100b, two complete pixel units 110' and 112' are included in the row direction. Wherein, the first column sub-pixel 101' and the second column sub-pixel 102' of the minimum repeating unit 100b collectively include the area of two pixel units in the column direction, wherein each pixel unit consists of one complete sub-pixel and two other partial sub-pixels. The pixels are composed together. The sub-pixels of the other two parts are the same sub-pixel and are different from the complete sub-pixel, for example, the pixel unit 110' consists of one complete second sub-pixel 101b and two 1/2 third sub-pixels 102a is composed in common. Similarly, the third column sub-pixel 103' and the fourth column sub-pixel 104' of the minimum repeating unit 100b collectively include the area of two pixel units in the column direction, wherein each pixel unit consists of one complete sub-pixel and two other parts. The sub-pixels are composed together. The sub-pixels of the other two parts are the same sub-pixel and are different from the complete sub-pixel. For example, the area of the pixel unit 112' is composed of one complete first sub-pixel 101a and two 1/2 third sub-pixels. The pixels 102a are formed in common. FIG. 3 is a schematic diagram of a pixel arrangement structure 300 in accordance with another embodiment of the present invention. 4A is a partial schematic view of the pixel arrangement structure 300 shown in FIG. As shown in FIG. 3, the pixel arrangement structure 300 according to another embodiment of the present creation includes a plurality of minimum repeating units 300a arranged in a column direction (X direction) and a row direction (Y direction). The plurality of minimum repeating units 300a are arranged in a matrix in the column direction and the row direction. The column direction is the gate line direction, and the row direction is the source line direction. However, the present embodiment is not limited thereto, and the gate line direction and the source line direction may also be interchanged. 3 and 4A, each of the minimum repeating units 300a sequentially includes a first column of sub-pixels 301, a second column of sub-pixels 302, a third column of sub-pixels 303, and a fourth column of sub-pixels 304 in the row direction. The first column sub-pixel 301 includes two first sub-pixels 301a and two second sub-pixels 301b in order from left to right in the column direction. The second column of sub-pixels 302 includes four third sub-pixels 302a from left to right in the column direction. The third column of sub-pixels includes two second sub-pixels 301b and two first sub-pixels 301a in sequence along the column direction. The fourth column sub-pixel 304 includes four third sub-pixels 302a from left to right in the column direction. The second column sub-pixel 302 and the fourth column sub-pixel 304 are offset from the first column sub-pixel 301 and the third column sub-pixel 303 in the column direction, and the staggered distance may be about half of the length of the third sub-pixel 302a in the column direction, but Not limited to this. Each of the sub-pixels includes a light-emitting area (display area) and a non-light-emitting area (non-display area), and the light-emitting area of each sub-pixel includes a cathode, an anode, and an electroluminescent layer (organic emission layer). The electroluminescent layer is positioned between the cathode and the anode for generating a predetermined color of light for display. The first sub-pixel 301a, the second sub-pixel 301b, and the third sub-pixel 303c are three sub-pixels of different colors selected from any one of red, blue, and green. The first sub-pixel 301a, the second sub-pixel 301b, and the third sub-pixel 302a have the same area. The ratio of the length of the first sub-pixel 301a and the second sub-pixel 301b and the third sub-pixel 302a in the row direction to the length in the column direction may be about 0.2 to 0.8. The opposite sides of adjacent sub-pixels are parallel to each other. In some embodiments, the shortest distances between adjacent sub-pixels are equal. In the present embodiment, the single minimum repeating unit 100b includes two complete pixel units 310 and 321 in the row direction. The first column sub-pixel 301 and the second column sub-pixel 302 collectively comprise an area of four pixel units in a column direction, wherein an area of each pixel unit consists of one complete sub-pixel and another different from the complete sub-pixel. Two 1/2 sub-pixels of a sub-pixel are formed together. For example, the area of the pixel unit 310 is composed of one complete first sub-pixel 301a and two 1/2 third sub-pixels 302a. The third column sub-pixel 303 and the fourth column sub-pixel 304 collectively comprise an area of four pixel units in a column direction, wherein each pixel unit is composed of one complete sub-pixel and another sub-pixel different from the complete sub-pixel Two 1/2 sub-pixels are combined. For example, the pixel unit 321 is composed of one complete second sub-pixel 301b and two 1/2 third sub-pixels 302a. The pixel arrangement structure 300 provided by the present embodiment can be formed by photoresist development, and the fabrication cost is low. In addition, the first sub-pixel 301a, the second sub-pixel 301b, and the third sub-pixel 302a of the pixel arrangement structure 300 provided by the present embodiment are three different colors selected from any one of red, blue, and green. Pixels, so subpixels have a flexible pixel arrangement. The division of the minimum repeating unit of the present creative embodiment is not limited to the division manner of the minimum repeating unit 300a shown in FIGS. 3 and 4A. For example, FIG. 4B is a schematic diagram showing the manner in which the pixel arrangement structure 300 shown in FIG. 3 has another minimum repeating unit 300b. The pixel arrangement structure 300 shown in FIG. 4B includes a plurality of minimum repeating units 300b arranged in a column direction (X direction) and a row direction (Y direction). The plurality of minimum repeating units 300b are arranged in a matrix in the column direction and the row direction. Each of the minimum repeating units 300b includes a first column of sub-pixels 301', a second column of sub-pixels 302', a third column of sub-pixels 303', and a fourth column of sub-pixels 304' along the row direction. The first column of sub-pixels 301' includes two second sub-pixels 301b and two first sub-pixels 301a in order from left to right in the column direction. The second column of sub-pixels 302' includes four third sub-pixels 302a along the column direction. The third column of sub-pixels includes two first sub-pixels 301a and two second sub-pixels 301b in sequence along the column direction. The fourth column of sub-pixels 304' includes four third sub-pixels 302a along the column direction. Also, wherein the second column sub-pixel 302' and the fourth column sub-pixel 304' are offset from the first column sub-pixel 301' and the third column sub-pixel 303' by a distance of half the length of the third sub-pixel 302a in the column direction. Each of the sub-pixels includes a light-emitting area (display area) and a non-light-emitting area (non-display area), and the light-emitting area of each sub-pixel includes a cathode, an anode, and an electroluminescent layer (organic emission layer). The electroluminescent layer is positioned between the cathode and the anode for generating a predetermined color of light for display. The first sub-pixel 301a, the second sub-pixel 301b, and the third sub-pixel 303c are three sub-pixels of different colors selected from any one of red, blue, and green. The first sub-pixel 301a, the second sub-pixel 301b, and the third sub-pixel 302a have the same area. The ratio of the length of the first sub-pixel 301a, the second sub-pixel 301b, and the third sub-pixel 302a in the row direction to the length in the column direction is 0.4. The opposite sides of adjacent sub-pixels are parallel to each other. In some embodiments, the shortest distances between adjacent sub-pixels are equal. The first column of sub-pixels 301 ′ and the second column of sub-pixels 302 ′ collectively comprise an area of four pixel units in a column direction, wherein each pixel unit consists of one complete sub-pixel and another sub-pixel different from the complete sub-pixel The two 1/2 sub-pixels of the pixel are formed together. For example, the pixel unit 310' is composed of a complete second sub-pixel 301b and two 1/2 third sub-pixels 302a. The third column sub-pixel 303 ′ and the fourth column sub-pixel 304 ′ collectively comprise an area of four pixel units in a column direction, wherein an area of each pixel unit consists of one complete sub-pixel and another different from the complete sub-pixel Two 1/2 sub-pixels of a sub-pixel are formed together. For example, the area of the pixel unit 312' is composed of one complete first sub-pixel 301a and two 1/2 third sub-pixels 302a. FIG. 5 is a schematic diagram of a display device according to an embodiment of the present invention. The pixel arrangement structure of the display screen 502 of the display device 500 includes the pixel arrangement structure described in any of the above embodiments. In addition, the display device may be an electronic product or an electronic component having a display function such as a mobile phone, a display, a tablet computer, a notebook computer, a digital photo frame, and the like. The technical content and technical features of the present invention have been disclosed as above, but those skilled in the art may still make various substitutions and modifications without departing from the spirit of the present invention based on the teachings and disclosures of the present invention. Therefore, the scope of protection of the present invention should not be limited to the contents disclosed in the embodiments, but should include various alternatives and modifications that do not depart from the present invention and are covered by the present application.

100, 300‧‧‧ pixel arrangement structure
100a, 100b, 300a‧‧‧Minimum repeating unit
110, 112, 110', 112', 310, 310', 312, 312' ‧ ‧ pixel units
A, 101a, 301a‧‧‧ first sub-pixel
B, 101b, 301b‧‧‧ second sub-pixel
C, 102a, 302a‧‧‧ third sub-pixel
101, 101', 301, 301 '‧‧‧ first column of sub-pixels
102, 102', 302, 302'‧‧‧ second column of sub-pixels
103, 103', 303, 303'‧‧‧ third column sub-pixel
104, 104', 304, 304'‧‧‧ fourth column sub-pixel
500‧‧‧ display device
502‧‧‧ Display screen

The aspects of the present disclosure are best understood from the following detailed description when read in conjunction with the drawings. It should be noted that various components are not drawn to scale according to standard practice in the industry. In fact, the dimensions of the various components may be arbitrarily increased or decreased for clarity of discussion. 1 is a schematic view showing the arrangement of a pixel arrangement structure according to an embodiment of the present invention; FIG. 2A is a partial schematic view showing the pixel arrangement structure shown in FIG. 1; FIG. 2B is a view showing the pixel arrangement structure shown in FIG. FIG. 3 is a schematic diagram showing a pixel arrangement structure according to another embodiment of the present invention; FIG. 4A is a partial schematic view showing the pixel arrangement structure shown in FIG. 3; The pixel arrangement structure shown in FIG. 3 has a schematic diagram of another manner of dividing the minimum repeating unit. FIG. 5 is a schematic diagram of a display device according to an embodiment of the present invention.

100‧‧‧pixel arrangement

100a‧‧‧Minimum repeating unit

A‧‧‧ first subpixel

B‧‧‧Second subpixel

C‧‧‧ third sub-pixel

Claims (10)

A pixel arrangement structure, comprising: a plurality of minimum repeating units arranged in a column direction and a row direction, wherein each of the minimum repeating units sequentially includes a first column sub-pixel, a second column sub-pixel, and a third column in the row direction a pixel and a fourth column of sub-pixels, wherein: the first column of sub-pixels sequentially includes a first sub-pixel and a second sub-pixel along the column direction, and the second column of sub-pixels includes two thirds along the column direction a sub-pixel, the third column sub-pixel sequentially includes the second sub-pixel and the first sub-pixel along the column direction, and the fourth column sub-pixel includes two of the third sub-pixels along the column direction And wherein the second column sub-pixel and the fourth column sub-pixel are staggered in a column direction from the first column sub-pixel and the third column sub-pixel, the offset distance is smaller than the third sub-pixel along the column The length of the direction. A pixel arrangement structure, comprising: a plurality of minimum repeating units arranged in a column direction and a row direction, wherein each of the minimum repeating units sequentially includes a first column sub-pixel, a second column sub-pixel, and a third column in the row direction a pixel and a fourth column of sub-pixels, wherein: the first column of sub-pixels includes two first sub-pixels and two second sub-pixels in sequence along the column direction, and the second column of sub-pixels includes four along the column direction a third sub-pixel, the third column sub-pixel sequentially includes two of the second sub-pixels and two of the first sub-pixels along the column direction, and the fourth column of sub-pixels includes four along the column direction The third sub-pixel, and wherein the second column sub-pixel and the fourth column sub-pixel are staggered along the column direction from the first column sub-pixel and the third column sub-pixel, and the staggered distance is smaller than the third The length of the sub-pixel along the column direction. The pixel arrangement structure of claim 1 or 2, wherein the staggered distance is smaller than a half of a length of the third sub-pixel along the column direction. The pixel arrangement structure of claim 1 or 2, wherein, in the row direction, each of the minimum repeating units includes two complete pixel units, wherein one of the pixel units sequentially includes one of the plurality of pixel units in a row direction a first sub-pixel and the third sub-pixel of a portion located on the same column, and the other of the pixel units sequentially includes one second sub-pixel and two portions on the same column in a row direction The third sub-pixel. The pixel arrangement structure of claim 1 or 2, wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel are three types selected from the group consisting of red, blue, and green. Subpixels of different colors. The pixel arrangement structure of claim 1 or 2, wherein the column direction is a gate line direction, and the row direction is a source line direction. The pixel arrangement structure of claim 1 or 2, wherein the shortest distances between adjacent sub-pixels are equal. The pixel arrangement structure of claim 1, wherein the first column sub-pixel and the second column sub-pixel together comprise an area of two pixel units along the column direction, and the third column sub-pixel and the The fourth column of sub-pixels collectively include the area of two pixel units along the column direction. The pixel arrangement structure of claim 1, wherein the first column sub-pixel and the second column sub-pixel together comprise an area of four pixel units along the column direction, and the third column sub-pixel and the The fourth column of sub-pixels collectively include an area of four pixel units along the column direction. A display device, wherein the pixel arrangement structure of the display device includes the pixel arrangement structure described in any one of claims 1 to 2.