TWM553881U - Pixel arrangement structure and display device - Google Patents

Abstract

A pixel arrangement includes minimum repetition units arranged in a longitudinal direction and a horizontal direction. Each of the minimum repetition units comprises four pixel units arranged in a 2x2 type matrix. The four pixel units comprises: two first sub-pixels at the left end of the first pixel unit and the right end of the second pixel unit, respectively; two second sub-pixels at the left end of the third pixel unit and the right end of the fourth pixel unit, respectively, wherein the two second sub-pixels and the two first sub-pixels are in a left column and an right column, respectively; and the third sub-pixels are in an intermediate column between the left column and the right column. Therefore, the pixel arrangement structure achieves a similar visual presentation with fewer subpixels and thus reduces the cost of production without degrading the quality of the visual presentation.

Description

Pixel arrangement structure and display device

The disclosure relates to the field of display technologies, and in particular, to a pixel arrangement structure and a display device.

The organic light emitting diode is a thin film light emitting element which is made of an organic semiconductor material and is driven by a direct current voltage. Due to the advantages of high contrast, wide viewing angle, fast response speed, high photoelectric conversion efficiency, etc., organic light-emitting diodes have been gradually applied to display panels of various display devices. The organic light-emitting display panel is recognized as the mainstream of the next generation of flat-panel displays because of its advantages of being thin and light, having a large viewing angle, and saving power. In the organic light-emitting display panel, the design of the pixel arrangement structure greatly affects the image presentation of the organic light-emitting display panel due to the problem of sub-pixel color mixing, which can be said to be a pivotal part. With the advancement of the display panel process, people's requirements for visual presentation are not diminished, but they hope to obtain cheaper and more useful products. The existing pixel arrangement structure and display device can not meet the market demand, so it needs to be better. The pixel arrangement structure achieves the above requirements.

One of the objects of the present disclosure is to provide a pixel arrangement structure that can present a desired visual effect with fewer sub-pixels. According to an embodiment of the present disclosure, a pixel arrangement structure includes a plurality of minimum repeating units repeatedly arranged in a longitudinal direction and a lateral direction, each of the minimum repeating units including four pixel units arranged in a 2×2 type matrix, the four pixel units being included in one a first pixel unit and a second pixel unit arranged in a first horizontal row, and a third pixel unit and a fourth pixel unit arranged in a second horizontal row, the four pixel units comprising: The first sub-pixels are respectively arranged at the left end of the first pixel unit and the right end of the second pixel unit; the second sub-pixels are respectively arranged at the left end of the third pixel unit and the right end of the fourth pixel unit, the two The two sub-pixels are respectively aligned with the two first sub-pixels into a left column and a right column; and a plurality of third sub-pixels are arranged between the left column and the right column to form an intermediate column. Optionally, the plurality of third sub-pixels span the first pixel unit and the second pixel unit, or span the third pixel unit and the fourth pixel unit. Optionally, the total area of the plurality of third sub-pixels is the sum of the areas of the four third sub-pixels. Optionally, the plurality of third sub-pixels comprise three complete third sub-pixels and two partial third sub-pixels, and the third sub-pixels of the two portions are respectively located at an uppermost position of the middle column And one of the lowest positions. Optionally, the first sub-pixel, the second sub-pixel, and the third sub-pixel are rectangles of equal area. Optionally, the lateral length and the longitudinal length of the first sub-pixel and the second sub-pixel have a ratio of 1:1 to 1:5, and the lateral length and the longitudinal length of the third sub-pixel have 5:1 to 1 :1 ratio. Optionally, the lateral length and the longitudinal length of the first sub-pixel and the second sub-pixel have a ratio of 1:3, and the lateral length and the longitudinal length of the third sub-pixel have a ratio of 3:1. Optionally, the first sub-pixel, the second sub-pixel, and the third sub-pixel are three sub-pixels of different colors selected from any one of red, blue, and green. Optionally, the pixel arrangement structure of the present disclosure further includes: a plurality of gate lines whose line direction is the lateral direction; and a plurality of source lines whose line direction is the longitudinal direction. Optionally, opposite sides of adjacent two sub-pixels are parallel to each other and the shortest distance between the two sub-pixels is equal. According to another embodiment of the present disclosure, a pixel arrangement structure of a display device includes the pixel arrangement structure described in any of the above embodiments. The pixel arrangement structure provided by the embodiment of the present disclosure can present a visual representation of the demand in a unit area with fewer sub-pixels, thereby reducing the cost of production without degrading the quality of the visual presentation.

For a better understanding of the spirit of the present disclosure, the following description is further described in conjunction with the preferred embodiments of the disclosure. Although the disclosure has been described and illustrated by the following examples, the following description and description are not limiting. It will be understood by those skilled in the art that various changes and equivalents may be made without departing from the true spirit and scope of the disclosure. It should be noted that the drawings are in a very simplified form and both use inaccurate proportions, and are only for convenience and clarity of the purpose of the embodiments of the disclosure. In various embodiments of the present disclosure, the lateral direction and the longitudinal direction are a set of opposing concepts, and the lateral direction described in the embodiment of the present disclosure refers to the horizontal direction, that is, the X-axis direction; the longitudinal direction refers to the vertical direction, that is, the Y-axis direction. Optionally, the X-axis direction is the gate line direction and the Y-axis direction is the source line direction. However, since the pixels in the embodiment of the present disclosure are arranged in a matrix form, when the observation directions of the observers are different, the horizontal and vertical directions may be interchanged, that is, the gate line direction and the source line direction may also be interchanged, and the disclosure is disclosed. Not limited to this. FIG. 1 is a schematic diagram of a pixel arrangement structure according to an embodiment of the present disclosure. As shown in FIG. 1, a pixel arrangement structure 100 includes a plurality of minimum repeating units 120 that are repeatedly arranged in the longitudinal direction and the lateral direction (for convenience of explanation, FIG. 1 includes four minimum repeating units, but only one minimum repeating unit 120 is indicated). The minimum repeating unit 120 in the pixel array structure 100 is arranged in a 2×2 matrix in the lateral direction (the X-axis direction in FIG. 1) and the longitudinal direction (the Y-axis direction in FIG. 1). The direction of the gate line may be a horizontal direction, and the direction of the source line may be a vertical direction. However, the disclosure is not limited thereto, and the direction of the gate line and the direction of the source line may also be interchanged. 2 is an enlarged view of a minimum repeating unit of the pixel arrangement structure of FIG. 1. As shown in FIG. 2, one of the minimum repeating units 120 in the pixel arrangement structure 100 includes four pixel units arranged in a 2x2 type matrix. The four pixel units include a first pixel unit 126 and a second pixel unit 127 arranged in a first horizontal row, and a third pixel unit 128 and a fourth pixel arranged in a second horizontal row. Unit 129. The four pixel units are arranged in the minimum repeating unit 120 in such a manner that the first horizontal row is the first pixel unit 126 and the second pixel unit 127 from left to right, and the second horizontal row is viewed from the horizontal direction. The third pixel unit 128 and the fourth pixel unit 129 are sequentially arranged from left to right; and the first column is the first pixel unit 126 and the third pixel unit 128 from top to bottom in the longitudinal direction, and the second vertical direction The columns are the second pixel unit 127 and the fourth pixel unit 129 in order from top to bottom. Optionally, the shapes of the first pixel unit 126, the second pixel unit 127, the third pixel unit 128, and the fourth pixel unit 129 may all be squares of the same area, and each pixel unit has at least two kinds of sub-pixels. As shown in FIG. 2, the minimum repeating unit 120 includes two first sub-pixels A, two second sub-pixels B, and four third sub-pixels C. The two first sub-pixels A are arranged at the left end of the first pixel unit 126 and the right end of the second pixel unit 127, respectively. The two second sub-pixels B are arranged at the left end of the third pixel unit 128 and the right end of the fourth pixel unit 129, respectively. The two second sub-pixels B and the two first sub-pixels A are respectively aligned into a left column 121 and a right column 122. Four third sub-pixels C are included in the middle of the left column 121 and the right column 122. The four third sub-pixels C are arranged in an intermediate column 123. Specifically, the third sub-pixel C included in the middle column 123 may be complete or only partially, but the total area is the area of the four third sub-pixels C, but is not limited thereto. In some embodiments of the present disclosure, although the middle column includes both the complete third sub-pixel and the portion of the third sub-pixel, the sum of the area of the complete and partial third sub-pixels is an integer number of third sub- The sum of the areas of the pixels. In addition, a portion of the above four third sub-pixels C may span the first pixel unit 126 and the second pixel unit 127, or across the third pixel unit 128 and the fourth pixel unit 129, or across The first pixel unit 126, the second pixel unit 127, the third pixel unit 128, and the fourth pixel unit 129. Optionally, as shown in FIG. 2, the four third sub-pixels C included in the middle column 123 include three complete third sub-pixels C (132, 133, 134) and a third sub-portion of two parts. The pixels C (131, 135), and the third sub-pixels C (131, 135) of the two portions are respectively located at an uppermost position and a lowermost position of the intermediate column 123. In other words, the first pixel unit 126 includes, in order from the left to the right in the X-axis direction, a complete first sub-pixel A and three portions of the third sub-pixel C, and the second pixel unit 127 is sequentially left-to-right along the X-axis direction. a third sub-pixel C including three portions and a complete first sub-pixel A, the third pixel unit 128 including a complete second sub-pixel B and three third portions in order from left to right in the X-axis direction The sub-pixel C, the fourth pixel unit 129 includes three portions of the third sub-pixel C and one complete second sub-pixel B in order from left to right in the X-axis direction. Wherein, in each pixel unit, the third sub-pixel C of the three portions sequentially includes a fourth sub-pixel C and a second sub-pixel C in the Y-axis direction from top to bottom. One quarter of the third sub-pixel C. In the embodiment of the present disclosure, FIGS. 1 and 2 are merely examples, and other variations are possible. In the present disclosure, the division of the minimum repeating unit is not limited to the division manner of the minimum repeating unit 120 shown in FIG. For example, FIG. 3 is a schematic diagram showing another manner of dividing the minimum repeating unit of the pixel arrangement structure shown in FIG. 1. The pixel arrangement structure 100 shown in FIG. 3 includes a plurality of minimum repeating units 140 arranged in a matrix, and the contents of the minimum repeating unit 140 are the same as the minimum repeating unit 120, and only the arrangement is different from the minimum repeating unit 120. A conventional pixel arrangement structure uses two sets of red, blue, and green sub-pixels, that is, six sub-pixels, in two pixel unit regions. In contrast, although the minimum repeating unit 120 disclosed in FIG. 2 includes four pixel units, the present disclosure only needs to combine the first pixel unit 126 and the third pixel unit 128, that is, only four sub-pixels. The algorithm processing achieves a screen display effect of approximately six sub-pixels, and thus the display device of the pixel arrangement structure of the present disclosure can achieve the advantage of cost reduction. FIG. 4 is a schematic diagram of a pixel arrangement structure according to another embodiment of the present disclosure. As shown in FIG. 4, a pixel arrangement structure 200 includes a plurality of minimum repeating units 220 that are repeatedly arranged in the longitudinal direction and the lateral direction (for convenience of explanation, FIG. 1 includes four minimum repeating units, but only one minimum repeating unit 220 is indicated). The minimum repeating unit 220 in the pixel array structure 200 is arranged in a lateral direction (X-axis direction in FIG. 4) and a longitudinal direction (Y-axis direction in FIG. 4) into a 2×2 matrix. The direction of the gate line may be a horizontal direction, and the direction of the source line may be a vertical direction. However, the disclosure is not limited thereto, and the direction of the gate line and the direction of the source line may also be interchanged. Figure 5 is an enlarged view of a minimum repeating unit of the pixel arrangement of Figure 4. As shown in FIG. 5, one of the minimum repeating units 220 in the pixel arrangement structure 200 includes four pixel units arranged in a 2x2-type matrix. The four pixel units include a first pixel unit 226 and a second pixel unit 227 arranged in a first horizontal row, and a third pixel unit 228 and a fourth pixel arranged in a second horizontal row. Unit 229. The four pixel units are arranged in the minimum repeating unit 220 in such a manner that the first horizontal row is the first pixel unit 226 and the second pixel unit 227 from left to right, and the second horizontal row is viewed from the horizontal direction. The third pixel unit 228 and the fourth pixel unit 229 are sequentially arranged from left to right; and the first column is the first pixel unit 226 and the third pixel unit 228 from top to bottom in the longitudinal direction, and the second vertical direction The columns are, in order from top to bottom, a second pixel unit 227 and a fourth pixel unit 229. Optionally, the shapes of the first pixel unit 226, the second pixel unit 227, the third pixel unit 228, and the fourth pixel unit 229 may all be squares of the same area, and each pixel unit has at least two kinds of sub-pixels. As shown in FIG. 5, the minimum repeating unit 220 includes two first sub-pixels A, two second sub-pixels B, and four third sub-pixels C. The two first sub-pixels A are arranged at the left end of the first pixel unit 226 and the right end of the second pixel unit 127, respectively. The two second sub-pixels B are arranged at the left end of the third pixel unit 228 and the right end of the fourth pixel unit 229, respectively. The two second sub-pixels B and the two first sub-pixels A are respectively aligned into a left column 221 and a right column 222. Four third sub-pixels C are included between the left column 221 and the right column 222. The four third sub-pixels C may be arranged in an intermediate column 223. The middle column 223 may include four complete third sub-pixels C (231, 232, 233, 234). Moreover, the four third sub-pixels C may span the first pixel unit 226 and the second pixel unit 227, or span the third pixel unit 228 and the fourth pixel unit 229. In other words, the first pixel unit 226 includes, in order from the left to the right in the X-axis direction, a complete first sub-pixel A and two portions of the third sub-pixel C, and the second pixel unit 227 is sequentially left-to-right along the X-axis direction. A second sub-pixel C including two portions and a complete first sub-pixel A, the third pixel unit 228 including a complete second sub-pixel B and a third portion of the second portion from left to right in the X-axis direction The sub-pixel C, the fourth pixel unit 229 includes two portions of the third sub-pixel C and one complete second sub-pixel B in this X-axis direction from left to right. Wherein, in each pixel unit, the third sub-pixels C of the two portions are one-half of the third sub-pixels C. In the embodiment of the present disclosure, FIGS. 4 and 5 are merely examples, and other variations are possible. In the present disclosure, the division of the minimum repeating unit is not limited to the division manner of the minimum repeating unit 220 shown in FIG. For example, FIG. 6 is a schematic diagram showing another manner of dividing the minimum repeating unit of the pixel arrangement structure shown in FIG. The pixel arrangement structure 200 shown in FIG. 6 includes a plurality of minimum repeating units 240 arranged in a matrix, and the content of the minimum repeating unit 240 is the same as the minimum repeating unit 220, except that the arrangement is different from the minimum repeating unit 220. A conventional pixel arrangement structure uses two sets of red, blue, and green sub-pixels, that is, six sub-pixels, in two pixel unit regions. In contrast, although the minimum repeating unit 220 disclosed in FIG. 5 includes four pixel units, the present disclosure only needs to combine the first pixel unit 226 and the third pixel unit 228, that is, only four sub-pixels. The algorithm processing achieves a screen display effect of approximately six sub-pixels, and thus the display device of the pixel arrangement structure of the present disclosure can achieve the advantage of cost reduction. In the present disclosure, the first sub-pixel A, the second sub-pixel B, and the third sub-pixel C are three sub-pixels of different colors selected from any one of red, blue, and green. The red sub-pixel, the blue sub-pixel, and the green sub-pixel respectively correspond to the light-emitting diode components that emit red, blue, and green light. Optionally, the light emitting diode element may be an OLED element or a plurality of OLED elements connected in series, and each OLED element may be selected from one of an upper emission type and a lower emission type, and the structure of the OLED element. It may also be selected from one of a normal structure and a reverse structure. Optionally, the first sub-pixel A, the second sub-pixel B, and the third sub-pixel C in the foregoing embodiment may be rectangles having the same area or equal length and width, the first sub-pixel A, the second sub-pixel B, and the first The ratio of the length to the width of the three sub-pixels C may be specific. For example, the lateral length and the longitudinal length of the first sub-pixel A and the second sub-pixel B have a ratio of 1:1 to 1:5, and the third sub- The lateral length and the longitudinal length of the pixel C have a ratio of 5:1 to 1:1. Preferably, the lateral length and the longitudinal length of the first sub-pixel A and the second sub-pixel B have a ratio of 1:3, and the lateral length and the longitudinal length of the third sub-pixel C have a ratio of 3:1. Optionally, the rectangular shapes of the first sub-pixel A, the second sub-pixel B, and the third sub-pixel C may be chamfered, that is, the shape of each sub-pixel is set to a rounded rectangle with chamfers, such a setting It is easy to implement in the production process and can reduce costs. As shown in FIGS. 1 to 3, in the same pixel unit, the third sub-pixel C of the three portions has substantially the same sub-pixel area as one complete first sub-pixel A or one complete second sub-pixel B. As shown in FIGS. 4 to 6, in the same pixel unit, the two sub-pixels C of the two portions have substantially the same sub-pixel area as one complete first sub-pixel A or one complete second sub-pixel B. The sub-pixel area is defined by the product of the length and the width of the sub-pixel, but the disclosure is not limited thereto. In the pixel arrangement structure shown in FIG. 1 to FIG. 6 , the opposite sides of any two adjacent sub-pixels of the first sub-pixel A, the second sub-pixel B, and the third sub-pixel C are parallel to each other, on the column. The center point of any two adjacent sub-pixels is parallel to the Y-axis direction, but the disclosure is not limited thereto. Moreover, the shortest distance between any two adjacent sub-pixels is also equal, but the disclosure is not limited thereto. FIG. 7 shows a mobile device of a display device to which the pixel arrangement structure of the present disclosure can be applied. The pixel arrangement structure of the display device 10 of the mobile device 1 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, or a digital photo frame. The technical and technical features of the present disclosure have been disclosed as above, and those skilled in the art can still make various substitutions and modifications without departing from the spirit and scope of the disclosure. Therefore, the scope of the present disclosure is not to be construed as being limited to the details of the embodiments disclosed herein.

A‧‧‧ first subpixel
B‧‧‧Second subpixel
C‧‧‧ third sub-pixel
1‧‧‧Mobile equipment
10‧‧‧ display device
100‧‧‧pixel arrangement
120‧‧‧Minimum repeating unit
121‧‧‧left column
122‧‧‧Right column
123‧‧‧ middle column
126‧‧‧first pixel unit
127‧‧‧second pixel unit
128‧‧‧ third pixel unit
129‧‧‧fourth pixel unit
131‧‧‧First horizontal subpixel
132‧‧‧Second transverse sub-pixel
133‧‧‧ third transverse subpixel
134‧‧‧ fourth horizontal subpixel
135‧‧‧ fifth horizontal subpixel
140‧‧‧Minimum repeating unit
200‧‧‧pixel arrangement
220‧‧‧Minimum repeating unit
221‧‧‧left column
222‧‧‧right column
223‧‧‧middle column
226‧‧‧first pixel unit
227‧‧‧second pixel unit
228‧‧‧ third pixel unit
229‧‧‧ fourth pixel unit
231‧‧‧First horizontal subpixel
232‧‧‧Second horizontal sub-pixel
233‧‧‧ third transverse subpixel
234‧‧‧ fourth horizontal subpixel
240‧‧‧Minimum repeating unit

FIG. 1 is a schematic diagram of a pixel arrangement structure according to an embodiment of the present disclosure. 2 is an enlarged view of a minimum repeating unit of the pixel arrangement structure of FIG. 1. FIG. 3 is a schematic diagram showing the manner in which the pixel arrangement structure shown in FIG. 1 has another minimum repeating unit. FIG. 4 is a schematic diagram of a pixel arrangement structure according to another embodiment of the present disclosure. Figure 5 is an enlarged view of a minimum repeating unit of the pixel arrangement of Figure 4. FIG. 6 is a schematic diagram showing the division of the pixel arrangement structure shown in FIG. 4 with another minimum repeating unit. FIG. 7 shows a mobile device of a display device to which the pixel arrangement structure of the present disclosure can be applied.

100‧‧‧pixel arrangement

120‧‧‧Minimum repeating unit

A‧‧‧ first subpixel

B‧‧‧Second subpixel

C‧‧‧ third sub-pixel

Claims (11)

A pixel arrangement structure comprising a plurality of minimum repeating units repeatedly arranged in a longitudinal direction and a lateral direction, each of the minimum repeating units comprising four pixel units arranged in a 2x2 type matrix, the four pixel units being arranged in a first horizontal row a first pixel unit and a second pixel unit, and a third pixel unit and a fourth pixel unit arranged in a second horizontal row, the four pixel units comprising: two first sub-pixels, respectively Arranging at the left end of the first pixel unit and the right end of the second pixel unit; two second sub-pixels respectively arranged at a left end of the third pixel unit and a right end of the fourth pixel unit, the two second sub-pixels and the second The first sub-pixels are respectively aligned into a left column and a right column; and a plurality of third sub-pixels are arranged between the left column and the right column to form an intermediate column. The pixel arrangement structure of claim 1, wherein the plurality of third sub-pixels span the first pixel unit and the second pixel unit, or span the third pixel unit and the fourth pixel unit. The pixel arrangement structure of claim 1, wherein a total area of the plurality of third sub-pixels is a sum of areas of the four third sub-pixels. The pixel arrangement structure of claim 3, wherein the plurality of third sub-pixels comprise three complete third sub-pixels and two partial third sub-pixels, and the third sub-pixels of the two portions are respectively located An uppermost position and a lowermost position of the middle column. The pixel arrangement structure of claim 3, wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel are rectangles of equal area. The pixel arrangement structure of claim 1, wherein a lateral length and a longitudinal length of the first sub-pixel and the second sub-pixel have a ratio of 1:1 to 1:5, and a lateral length of the third sub-pixel is The longitudinal length has a ratio of 5:1 to 1:1. The pixel arrangement structure of claim 6, wherein a lateral length and a longitudinal length of the first sub-pixel and the second sub-pixel have a ratio of 1:3, and a lateral length and a longitudinal length of the third sub-pixel have 3 :1 ratio. The pixel arrangement structure of claim 1, wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel are three sub-pixels of different colors selected from any one of red, blue, and green. The pixel arrangement structure of claim 1, further comprising: a plurality of gate lines whose line direction is the lateral direction; and a plurality of source lines whose line direction is the longitudinal direction. The pixel arrangement structure of claim 1, wherein opposite sides of adjacent two sub-pixels are parallel to each other and the shortest distance between the two sub-pixels is equal. A display device, wherein the pixel arrangement structure of the display device comprises the pixel arrangement structure of any one of claims 1-9.