TWI789858B - Pixel structure - Google Patents

Abstract

A pixel structure defines a display area and includes a plurality of first bumps and a penetrating part. The first bumps are located in the display area. The connecting lines of at least a portion of the first bumps form a plurality of first concentric circles. The first concentric circles have a same center. The center is located to the central of the display area. The penetrating part is located in the display area.

Description

pixel structure

The present invention relates to a pixel structure, and in particular to a pixel structure with a penetrating portion.

Generally speaking, the transflective pixel structure can be divided into a transmissive area and a reflective area, and can simultaneously utilize a backlight source and an external light source for display. Moreover, the reflective area of this pixel structure has a plurality of protrusions, so that the pixel structure has good reflectivity. However, the current arrangement of protrusions has a limited effect on improving the reflectivity of the pixel structure. Therefore, how to improve the optical properties and display effect of the pixel structure is the goal of research in this field.

The invention provides a pixel structure, which can provide good reflectivity, and can present good display effects in environments with different light source intensities.

The pixel structure of the present invention defines a display area and includes a plurality of first protrusions and a penetration portion. These first protrusions are located in the display area. The connecting lines of at least some of the first protrusions form a plurality of first concentric circles. These first concentric circles have the same circle Heart. The center of the circle is located in the center of the display area. The penetration part is located in the display area.

In an embodiment of the present invention, at least one second protrusion is further included. At least one second protrusion is located in the display area. At least one second protrusion is arc-shaped. Part of these first protrusions and at least one second protrusion form at least one second concentric circle. These first concentric circles have the same center as at least one second concentric circle.

In an embodiment of the present invention, the radius of the at least one second concentric circle is greater than the radius of the at least one first concentric circle.

In an embodiment of the present invention, the quantity of the above-mentioned at least one second protrusion is multiple. These second protrusions are substantially symmetrical to the center of the circle.

In an embodiment of the present invention, each of the above-mentioned second protrusions has a first end and a second end opposite to each other. The included angle between the line connecting the first end to the center of the circle and the line connecting the second end to the center of the circle is between 10 degrees and 180 degrees.

In an embodiment of the present invention, the above-mentioned first protrusions respectively have a plurality of top ends. There is a first distance between adjacent two of the top ends of the first protrusions in each first concentric circle. There is a second distance between adjacent two of the first concentric circles. The first spacing is equal to the second spacing.

In an embodiment of the present invention, non-equidistant regions spanning at least a few of the first concentric circles are also included. In any one of the first concentric circles spanned by the non-equidistant area, there is a third distance between the tops of the two first protrusions located on both sides of the non-equidistant area and closest to the non-equidistant area. The third distance is greater than the first distance. The third spacing is less than twice the first spacing.

In an embodiment of the present invention, the above-mentioned first protrusions respectively have Multiple tops. There is a first distance between adjacent two of the top ends of the first protrusions in each first concentric circle. There is a second distance between adjacent two of the first concentric circles. The second distance is greater than the first distance.

In an embodiment of the present invention, the circumference length of each of the above-mentioned first concentric circles is an integer multiple of the first distance.

In an embodiment of the present invention, the above-mentioned first protrusions form a wavy profile.

In an embodiment of the present invention, the width of each of the above-mentioned first protrusions is greater than the height.

In an embodiment of the present invention, the height of each of the above-mentioned first protrusions is between 0.3 μm and 0.5 μm.

Based on the above, the pixel structure of the present invention defines a display area, and includes a plurality of first protrusions and a penetration portion. These first protrusions are located in the display area, and the penetration part is located in the display area. Therefore, the pixel structure of the present invention can use the backlight and external light sources for display at the same time through the setting of the penetrating part, so that the pixel structure can show good display effects in environments with different light source intensities . Moreover, in the design of the pixel structure of the present invention, the connecting lines of some of these first protrusions form a plurality of first concentric circles. The first concentric circles have the same center, and the center of the first concentric circles is located in the center of the display area. Therefore, the pixel structure of the present invention can also provide good reflectivity through the arrangement of these first protrusions, so that the pixel structure can provide good optical characteristics and display effects.

In order to make the above-mentioned features and advantages of the present invention more obvious and understandable, the following special citations Embodiments, together with the accompanying drawings, are described in detail as follows.

100, 100A, 100B: pixel structure

110: The first bump

111: display area

112: Penetration

113: The first concentric circle

114: top

115: Non-equidistant area

120: second bump

121: first end

122: second end

123: Second concentric circle

CS: center of circle

D1: the first distance

D2: second spacing

D3: third distance

S1: Wavy silhouette

W1: width

H1: height

FIG. 1A is a schematic top view of a pixel structure according to an embodiment of the present invention.

FIG. 1B is a SEM image of the pixel structure in FIG. 1A .

FIG. 2 is a schematic top view of a pixel structure according to another embodiment of the present invention.

FIG. 3 is a schematic top view of a pixel structure according to another embodiment of the present invention.

FIG. 1A is a schematic top view of a pixel structure according to an embodiment of the present invention. FIG. 1B is a SEM image of the pixel structure in FIG. 1A . Please refer to FIG. 1A first. The pixel structure 100 of this embodiment defines a display area 111 and includes a plurality of first protrusions 110 and a penetrating portion 112 . The first protrusions 110 of the pixel structure 100 are located in the display area 111 , and the penetrating portion 112 is located in the display area 111 . Here, it should be noted that, in this embodiment, since the penetrating portion 112 of the pixel structure 100 is located in the display area 111, the pixel structure 100 can simultaneously utilize a backlight (not shown) and an external light source (not shown). ) for display, so that the pixel structure 100 can display good display effects in environments with different light source intensities. Moreover, the pixel structure 100 of this embodiment can be applied to electronic The sub-watch (not shown), and the display panel (not shown) of the electronic watch is, for example, composed of a plurality of pixel structures 100 , but not limited thereto.

In detail, please refer to FIG. 1A and FIG. 1B at the same time. In this embodiment, the connecting lines of the first protrusions 110 form a plurality of first concentric circles 113 . The first concentric circles 113 have the same center CS, and the center CS is located at the center of the display area 111 . The first protrusions 110 respectively have a plurality of tops 114 (similar to hills). In each first concentric circle 113 , there is a first distance D1 between the top ends 114 of two adjacent left and right first protrusions 110 . Among these first concentric circles 113 , there is a second distance D2 between two adjacent first concentric circles 113 in front and rear rows. In this embodiment, the first distance D1 is equal to the second distance D2, so that the arrangement of these first protrusions 110 is the closest, so the pixel structure 100 can provide good High reflectivity, which has good optical properties and display effect.

For more details, please refer to FIG. 1B , in the present embodiment, the first protrusions 110 form a wave-like profile S1 . The width W1 of each first protrusion 110 is greater than the height H1. It should be noted that, in this embodiment, the height H1 of each first protrusion 110 is between 0.3 μm and 0.5 μm, but it is not limited thereto. Moreover, in this embodiment, each first protrusion 110 is a perfect circle, and two adjacent first protrusions 110 are connected to each other, but not limited thereto.

Please refer to FIG. 1A , in the present embodiment, the pixel structure 100 further includes three non-equidistant regions 115 respectively spanning the first concentric circles 113 . In any one of these first concentric circles 113 spanned by the non-equidistant area 115, the two top ends of the two first protrusions 110 located on both sides of the non-equidistant area 115 and closest to the non-equidistant area 115 There is a third distance D3 between 114 . The third distance D3 is greater than the first distance D1, and the third distance D3 is smaller than twice the first distance D1.

Here, it should be noted that in this embodiment, since the non-equidistant regions 115 will cause the pixel structure 100 to have rainbow patterns, the three non-equidistant regions 115 are concentrated on one side of the pixel structure 100, and When the side of the pixel structure 100 where the three non-equidistant regions 115 are located is not in the viewer's viewing angle, the viewer can hardly see the rainbow pattern generated by the non-equidistant regions 115 . For example, when the pixel structure 100 of this embodiment is applied to a display panel (not shown) of an electronic watch, the three non-equidistant regions 115 of the pixel structure 100 can be concentrated on the electronic watch (not shown) 11 o’clock to one o’clock (for example, rotate FIG. 1A from 150 degrees to 210 degrees), so as to avoid the rainbow pattern produced by the non-equidistant area 115 for viewers who generally watch electronic watches in the direction of four to six o’clock, but The present invention does not limit the arrangement of the three non-equidistant regions 115 in the pixel structure 100 .

In this way, the use of the haze glue generally used to reduce the iridescent pattern can be reduced, thereby solving the situation that the reflectance of the pixel structure 100 is reduced due to the use of the haze glue, so that the pixel structure 100 has good reflectivity.

In addition, in other embodiments, the three non-equidistant regions 115 can also be concentrated on one side of the penetrating portion 112 of the pixel structure 100 . For example, if the penetrating portion 112 in FIG. 1A is moved to the left to the area where the non-equidistant area 115 is located, part of the non-equidistant area 115 in FIG. 1A will overlap with the area where the penetrating portion 112 is located. At this time, the non-equidistant area 115 can be replaced by the penetrating portion 112 to reduce the non-equidistant area 115 of the pixel structure 100 . That is to say, by concentrating the three non-equidistant regions 115 On the side of the penetrating portion 112 of the pixel structure 100, part of the non-equidistant region 115 is replaced by the penetrating portion 112, so as to improve the situation that the pixel structure 100 has rainbow patterns, so that the pixel structure 100 has Good optical properties and display effect.

It must be noted here that the following embodiments use the component numbers and part of the content of the previous embodiments, wherein the same numbers are used to denote the same or similar components, and descriptions of the same technical content are omitted. For the description of omitted parts, reference may be made to the foregoing embodiments, and the following embodiments will not be repeated.

FIG. 2 is a schematic top view of a pixel structure according to another embodiment of the present invention. Please refer to FIG. 1A and FIG. 2 at the same time. The pixel structure 100A of this embodiment is similar to the pixel structure 100 in FIG. part of these first protrusions 110 form a plurality of first concentric circles 113, and part of these first protrusions 110 and a plurality of second protrusions 120 form a plurality of second concentric circles 123.

Please refer to FIG. 2 , in this embodiment, a plurality of second protrusions 120 are located in the display area 111 . Each second protrusion 120 is an arc-shaped convex line. Part of the lines connecting the first protrusions 110 and the second protrusions 120 form a plurality of second concentric circles 123 , and the first concentric circles 113 and the second concentric circles have the same center CS.

In detail, in this embodiment, each second protrusion 120 has a first end 121 and a second end 122 opposite to each other. The included angle A1 between the line connecting the first end 121 to the center CS and the line connecting the second end 122 to the center CS is, for example, between 30 degrees and 120 degrees, but not limited thereto. In other embodiments, the included angle A1 between the line connecting the first end 121 to the center CS and the line connecting the second end 122 to the center CS may be between 10 degrees to 180 degrees, but not limited thereto.

More specifically, in this embodiment, the second protrusions 120 are substantially symmetrical to the center CS of the circle. The radius R2 of the second concentric circles 123 is greater than the radius R1 of part of the first concentric circles 113 , and the second concentric circles 123 are substantially located at the periphery of the display area 111 to maximize the area of the second protrusions 120 . Here, it should be noted that the present invention does not limit the quantity, arrangement and position of the second protrusions 120 in the display area 111 . In other embodiments, the number of the second protrusion 120 may be single. Moreover, in other embodiments, the second concentric circles 123 can be concentrated on one side of the display area 111 .

It is worth mentioning that, in this embodiment, the pixel structure 100A can increase the reflectivity in a partial direction of the display area 111 through the arrangement of the second protrusions 120 . For example, as shown in FIG. 2, the second protrusions 120 of the pixel structure 100A of this embodiment are respectively located on the left and right sides of the display area 111 in FIG. The reflectivity in two directions can be increased, thereby improving the optical characteristics and display effect of the pixel structure 100A. In other embodiments, the second protrusions 120 can be respectively located on the upper and lower sides of the display area 111 in FIG. 2 to increase the reflectivity in the upper and lower directions of the pixel structure 100A, but not limited thereto. Moreover, in other embodiments, if the second protrusions 120 are only concentrated on one side of the display area 111, the second protrusions 120 on the side where the display area 111 is located and the other side symmetrical to the center CS can still be increased. Reflectivity in two directions, but not limited thereto.

FIG. 3 is a schematic top view of a pixel structure according to another embodiment of the present invention. Please refer to FIG. 1A and FIG. 3 at the same time, the pixel structure 100B and The pixel structure 100 in FIG. 1A is similar, and the difference is that the pixel structure 100B does not have the non-equidistant region 115 . Moreover, the arrangement of the first protrusions 110 in FIG. 1A is different from the arrangement of the first protrusions 110 in this embodiment.

Please refer to FIG. 3 , in this embodiment, the first protrusions 110 respectively have a plurality of tips 114 . In each first concentric circle 113 , there is a first distance D1 between the top ends 114 of two adjacent left and right first protrusions 110 . Among these first concentric circles 113 , there is a second distance D2 between two adjacent first concentric circles 113 in front and rear rows.

Specifically, in this embodiment, the second distance D2 is greater than the first distance D1, and the circumference of each first concentric circle 113 is an integer multiple of the first distance D1, so that the pixel structure 100B does not have rainbow patterns. The non-equidistant regions 115 allow the pixel structure 100B to have good optical properties and display effects.

In summary, the pixel structure of the present invention defines a display area and includes a plurality of first protrusions and a penetration portion. These first protrusions are located in the display area, and the penetration part is located in the display area. Therefore, the pixel structure of the present invention can use the backlight and external light sources for display at the same time through the setting of the penetrating part, so that the pixel structure can show good display effects in environments with different light source intensities . Moreover, in the design of the pixel structure of the present invention, the connecting lines of some of these first protrusions form a plurality of first concentric circles. The first concentric circles have the same center, and the center of the first concentric circles is located in the center of the display area. Therefore, the pixel structure of the present invention can also provide good reflectivity through the arrangement of these first protrusions, so that the pixel structure can provide good optical characteristics and display effects.

Although the present invention has been disclosed above with the embodiments, it is not intended to limit the present invention Invention, anyone with common knowledge in the technical field may make some changes and modifications without departing from the spirit and scope of the present invention, so the protection scope of the present invention should be defined by the scope of the appended patent application. allow.

100:Pixel structure

110: The first bump

111: display area

112: Penetration

113: The first concentric circle

114: top

115: Non-equidistant area

CS: center of circle

D1: the first distance

D2: second spacing

D3: third distance

Claims (12)

A pixel structure that defines a display area, and the pixel structure includes: a plurality of first protrusions located in the display area, at least part of the lines connecting the first protrusions form a plurality of first concentric circles , the first concentric circles have the same center, and the center is located in the center of the display area; and a penetrating portion is located in the display area. The pixel structure according to claim 1, further comprising at least one second protrusion located in the display area, wherein the at least one second protrusion is an arc-shaped convex line, and some of the first protrusions are connected to the The connecting line of at least one second protrusion forms at least one second concentric circle, and the first concentric circles and the at least one second concentric circle have the same center. The pixel structure according to claim 2, wherein a radius of the at least one second concentric circle is greater than a radius of the at least one first concentric circle. The pixel structure according to claim 2, wherein the at least one second protrusion has a plurality of numbers, and the second protrusions are substantially symmetrical to the center of the circle. The pixel structure as described in claim 4, wherein each of the second protrusions has a first end and a second end opposite to each other, and the line connecting the first end to the center of the circle is the same as the line connecting the second end to the center of the circle The angle between the lines of is between 10 degrees and 180 degrees. The pixel structure as claimed in claim 1, wherein the first protrusions respectively have a plurality of apexes, between adjacent two of the apexes of the first protrusions in each of the first concentric circles There is a first distance, and there is a second distance between adjacent two of the first concentric circles, and the first distance is equal to the second distance. The pixel structure as claimed in claim 6, further comprising a non-equidistant area spanning at least a few of the first concentric circles, in any one of the first concentric circles spanned by the non-equidistant area , there is a third distance between the top ends of the two first protrusions located on both sides of the non-equidistant region and closest to the non-equidistant region, the third distance is greater than the first distance, and the third distance The first spacing is less than twice. The pixel structure as claimed in claim 1, wherein the first protrusions respectively have a plurality of apexes, between adjacent two of the apexes of the first protrusions in each of the first concentric circles There is a first distance, and there is a second distance between adjacent two of the first concentric circles, and the second distance is greater than the first distance. The pixel structure according to claim 8, wherein the circumference length of each of the first concentric circles is an integer multiple of the first distance. The pixel structure according to claim 1, wherein the first protrusions form a wavy outline. The pixel structure according to claim 1, wherein the width of each of the first protrusions is greater than the height. The pixel structure according to claim 1, wherein the height of each of the first protrusions is between 0.3 μm and 0.5 μm.

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