The present application claims a priority of the Chinese patent application No. 201510567384.X filed on Sep. 8, 2015, which is incorporated herein by reference in its entirety.
The present disclosure relates to the field of display technology, in particular to an organic light-emitting diode (OLED) pixel structure, a display substrate and a display device.
As a new display technology, a transparent display technology may be used to enable a viewer to view, through a screen, a background image behind the screen. Due to such a display effect, the transparent display technology may be applied to various display devices, e.g., mobile phones, lap-top computers, show-window displays, refrigerator doors, on-vehicle displays, billboards, and so on.
An object of the present disclosure is to provide an OLED pixel structure, a display substrate and a display device, so as to improve a display effect of a transparent OLED display device in the case of constant light transmittance.
In one aspect, the present disclosure provides in some embodiments an OLED pixel structure, including a plurality of pixel units arranged in a matrix form. Each pixel unit includes at least two subpixels arranged in an identical row and adjacent to each other, or at least two subpixels arranged in an identical column and adjacent to each other. Each subpixel includes a transparent region and a nontransparent region where a display element is arranged. In each pixel unit, the nontransparent regions of the at least two subpixels arranged in an identical row and adjacent to each other have their central lines in a row direction located on different straight lines parallel to each other, or the nontransparent regions of the at least two subpixels arranged in an identical column and adjacent to each other have their central lines in a column direction located on different straight lines parallel to each other.
Further, each pixel unit includes a first subpixel, a second subpixel and a third subpixels arranged sequentially and in different colors.
Further, a nontransparent region of the first subpixel and a nontransparent region of the second subpixel have their central lines in the row direction located on different straight lines parallel to each other, and the nontransparent region of the first subpixel and a nontransparent region of the third subpixel have their central lines in the row direction located on an identical straight line; or, the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the column direction located on different straight lines parallel to each other, and the nontransparent region of the first subpixel and the nontransparent region of the third subpixel have their central lines in the column direction located on an identical straight line.
Further, the nontransparent region of the first subpixel and the nontransparent region of the third subpixel have their central lines in the row direction located on different straight lines parallel to each other, and the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the row direction located on an identical straight line; or, the nontransparent region of the first subpixel and the nontransparent region of the third subpixel have their central lines in the column direction located on different straight lines parallel to each other, and the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the column direction located on an identical straight line.
Further, the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the row direction located on different straight lines parallel to each other, and the nontransparent region of the second subpixel and the nontransparent region of the third subpixel have their central lines in the row direction located on an identical line; or, the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the column direction located on different straight line parallel to each other, and the nontransparent region of the second subpixel and the nontransparent region of the third subpixel have their central lines in the column direction located on an identical straight line.
Further, the nontransparent region of the first subpixel has its central line in the row direction located on a first straight line, the nontransparent region of the second subpixel has its central line in the row direction located on a second straight line, the nontransparent region of the third subpixel has its central line in the row direction located on a third straight line, and the first straight line, the second straight line and the third straight line in the row direction are parallel to each other; or, the nontransparent region of the first subpixel has its central line in the column direction located on a first straight line, the nontransparent region of the second subpixel has its central line in the column direction located on a second straight line, the nontransparent region of the third subpixel has its central line in the column direction located on a third straight line, and the first straight line, the second straight line and the third straight line in the column direction are parallel to each other.
Further, the second straight line is located between the first straight line and the third straight line, and a distance between the first straight line and the second straight line is equal to a distance between the second straight line and the third straight line.
Alternatively, the first subpixel is a red subpixel, a green subpixel or a blue subpixel, the second subpixel is a red subpixel, a green subpixel or a blue subpixel, and the third subpixel is a red subpixel, a green subpixel or a blue subpixel.
In another aspect, the present disclosure provides in some embodiments a display substrate including the above-mentioned OLED pixel structure.
In yet another aspect, the present disclosure provides in some embodiments a display device including the above-mentioned display substrate.
According to the embodiments of the present disclosure, in each pixel unit, the nontransparent regions of the at least two subpixels in an identical row have their central lines in the row direction located on different straight lines parallel to each other, or the nontransparent regions of the at least two subpixels in an identical column have their central lines in the column direction located on different straight lines parallel to each other. As a result, it is able to arrange the subpixels in each pixel unit in an alternate manner in the case of the constant light transmittance, and prevent the occurrence of the alternate bright and dark stripes, thereby to improve a display effect of the display device.
In order to make the objects, the technical solutions and the advantages of the present disclosure more apparent, the present disclosure will be described hereinafter in conjunction with the drawings and embodiments.
However, when an image is displayed, such a visual effect as alternate bright and dark stripes may occur. As shown in
In order to overcome this visual effect drawback, the present disclosure provides in some embodiments an OLED pixel structure, a display substrate and a display device, so as to improve a display effect of the transparent OLED display device in the case of constant light transmittance.
The OLED pixel structure in some embodiments of the present disclosure includes a plurality of pixel units arranged in a matrix form. Each pixel unit includes at least two subpixels arranged in an identical row and adjacent to each other, or at least two subpixels arranged in an identical column and adjacent to each other. Each subpixel includes a transparent region and a nontransparent region where a display element is arranged.
In each pixel unit, the nontransparent regions of the at least two subpixels arranged in an identical row and adjacent to each other have their central lines in a row direction located on different straight lines parallel to each other, or the nontransparent regions of the at least two subpixels arranged in an identical column and adjacent to each other have their central lines in a column direction located on different straight lines parallel to each other. In this way, it is able to arrange the subpixels of each subpixel unit in an alternate manner in the case of the constant light transmittance, thereby to prevent the occurrence of such a visual effect as alternate bright and dark stripes, and improve the display effect of the display device.
Further, in some embodiments of the present disclosure, each pixel unit includes a first subpixel, a second subpixel and a third subpixels arranged sequentially and in different colors.
Further, in an alternative embodiment of the present disclosure, the three subpixels in each pixel unit may be arranged as follows. a nontransparent region of the first subpixel and a nontransparent region of the second subpixel have their central lines in the row direction located on different straight lines parallel to each other, and the nontransparent region of the first subpixel and a nontransparent region of the third subpixel have their central lines in the row direction located on an identical straight line; or, the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the column direction located on different straight lines parallel to each other, and the nontransparent region of the first subpixel and the nontransparent region of the third subpixel have their central lines in the column direction located on an identical straight line.
Further, in another alternative embodiment of the present disclosure, the three subpixels in each subpixel unit may also be arranged as follows. the nontransparent region of the first subpixel and the nontransparent region of the third subpixel have their central lines in the row direction located on different straight lines parallel to each other, and the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the row direction located on an identical straight line; or, the nontransparent region of the first subpixel and the nontransparent region of the third subpixel have their central lines in the column direction located on different straight lines parallel to each other, and the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the column direction located on an identical straight line.
Further, in yet another alternative embodiment of the present disclosure, the three subpixels in each pixel unit may also be arranged as follows. the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the row direction located on different straight lines parallel to each other, and the nontransparent region of the second subpixel and the nontransparent region of the third subpixel have their central lines in the row direction located on an identical line; or, the nontransparent region of the first subpixel and the nontransparent region of the second subpixel have their central lines in the column direction located on different straight line parallel to each other, and the nontransparent region of the second subpixel and the nontransparent region of the third subpixel have their central lines in the column direction located on an identical straight line.
To be specific, the three subpixels in each pixel unit may be arranged as follows. the nontransparent region of the first subpixel has its central line in the row direction located on a first straight line, the nontransparent region of the second subpixel has its central line in the row direction located on a second straight line, the nontransparent region of the third subpixel has its central line in the row direction located on a third straight line, and the first straight line, the second straight line and the third straight line in the row direction are parallel to each other; or, the nontransparent region of the first subpixel has its central line in the column direction located on a first straight line, the nontransparent region of the second subpixel has its central line in the column direction located on a second straight line, the nontransparent region of the third subpixel has its central line in the column direction located on a third straight line, and the first straight line, the second straight line and the third straight line in the column direction are parallel to each other. In this way, the first subpixel, the second subpixel and the third subpixel are arranged regularly.
Alternatively, the second straight line is located between the first straight line and the third straight line, and a distance between the first straight line and the second straight line is equal to a distance between the second straight line and the third straight line. In this way, the subpixels in each pixel unit are arranged alternately and at an identical interval, so as to further prevent the occurrence of the alternate bright and dark stripes, thereby to improve the display effect of the display device.
To be specific, the first subpixel is a red subpixel, a green subpixel or a blue subpixel, the second subpixel is a red subpixel, a green subpixel or a blue subpixel, and the third subpixel is a red subpixel, a green subpixel or a blue subpixel.
The present disclosure further provides in some embodiments a display substrate which includes the above-mentioned OLED pixel structure.
According to the display substrate in the embodiments of the present disclosure, in each pixel unit, the nontransparent regions of the at least two subpixels arranged in an identical row and adjacent to each other have their central lines in a row direction located on different straight lines parallel to each other, or the nontransparent regions of the at least two subpixels arranged in an identical column and adjacent to each other have their central lines in a column direction located on different straight lines parallel to each other. In this way, it is able to arrange the subpixels in each pixel unit alternately in the case of the constant light transmittance, thereby to prevent the occurrence of the alternate bright and dark stripes, and improve the display effect of the display device.
The present disclosure further provides in some embodiments a display device, which includes the above-mentioned display substrate. The display device may be any product or member having a display function, such as a television, a display, a digital photo frame, a mobile phone or a flat-panel computer.
According to the display device in the embodiments of the present disclosure, in each pixel unit, the nontransparent regions of the at least two subpixels arranged in an identical row and adjacent to each other have their central lines in a row direction located on different straight lines parallel to each other, or the nontransparent regions of the at least two subpixels arranged in an identical column and adjacent to each other have their central lines in a column direction located on different straight lines parallel to each other. In this way, it is able to arrange the subpixels in each pixel unit alternately in the case of the constant light transmittance, thereby to prevent the occurrence of the alternate bright and dark stripes, and improve the display effect of the display device.
The above are merely the preferred embodiments of the present disclosure. It should be appreciated that, a person skilled in the art may make further modifications and improvements without departing from the principle of the present disclosure, and these modifications and improvements shall also fall within the scope of the present disclosure.
Number | Date | Country | Kind |
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201510567384.X | Sep 2015 | CN | national |