Display module, display method, and display device
地域：
Shanghai
摘要
A display module includes a display panel including sub-pixels and a pixel shift unit at a side of a light-emitting surface of the display panel. For a sub-pixel, at a first time, the pixel shift unit does not shift the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a first display pixel is formed corresponding to the sub-pixel, and at a second time, the pixel shift unit shifts the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a second display pixel is formed corresponding to the sub-pixel. The second display pixel does not overlap the first display pixel. Orthographic projections of the second display pixel corresponding to the sub-pixel and a first display pixel of at least one adjacent sub-pixel overlap.
說(shuō)明書(shū)
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This application claims the priority of Chinese Patent Application No. 201910356907.4, filed on Apr. 29, 2019, the content of which is incorporated herein by reference in its entirety.
The present disclosure generally relates to the field of display technology and, more particularly, relates to a display module, a display method, and a display device.
As display technologies develop, consumers have higher demanding on audio and video products. For display device manufacturers, producing display devices with high resolution and high image quality is a direction of development. Organic light-emitting diode (OLEDs) have been widely used in the display devices because of their characteristics including self-illumination, high brightness, a wide view angle, fast response, and RGB full-color components. OLED display panels have entered a practical stage, and are widely used in mobile products such as light and thin display devices including laptop computers, monitors, wall-mounted televisions. Development of full-color display will enhance competitiveness of OLED products.
Each organic light-emitting device in an organic light-emitting display panel corresponds to a sub-pixel. The organic light-emitting display panel will have a higher resolution when organic light-emitting devices in the organic light-emitting display panel have a higher arrangement density. However, limitation of accuracy of a mask, an alignment deviation, and accuracy of exposure in a vapor deposition process hinders further increasing of the resolution of the organic light-emitting devices.
權(quán)利要求
What is claimed is:1. A display module, comprising:a display panel including a plurality of sub-pixels; and a pixel shift unit, disposed at a side of a light-exiting surface of the display panel, wherein light emitted by the plurality of sub-pixels exits after passing through the pixel shift unit; wherein: for a sub-pixel of the plurality of sub-pixels:at a first time, the pixel shift unit does not shift the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a first display pixel is formed corresponding to the sub-pixel at the first time, and at a second time, the pixel shift unit shifts the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a second display pixel is formed corresponding to the sub-pixel at the second time, wherein the second display pixel does not overlap the first display pixel; an orthographic projection of the second display pixel corresponding to the sub-pixel overlaps an orthographic projection of a first display pixel of at least one adjacent sub-pixel of the plurality of sub-pixels; for the first display pixel and second display pixel having overlapped orthographic projections, the orthographic projection of the first display pixel is located inside the orthographic projection of the second display pixel, or the orthographic projection of the second display pixel is located inside the orthographic projection of the first display pixel; and for the first display pixel and second display pixel having overlapped orthographic projections, a sub-pixel of the plurality of sub-pixels, corresponding to the first display pixel, and another sub-pixel of the plurality of sub-pixels, corresponding to the second display pixel, have different colors. 2. The display module according to claim 1 , wherein:the pixel shift unit at least includes a birefringent layer and a light valve, wherein the light valve is disposed between the display panel and the birefringent layer. 3. The display module according to claim 1 , wherein:an interval between the first time and the second time is smaller than or equal to about 100 ms. 4. The display module according to claim 1 , wherein:the plurality of sub-pixels includes first sub-pixels, second sub-pixels, and third sub-pixels, wherein the first sub-pixels, the second sub-pixels, and the third sub-pixels have different colors; the first sub-pixels are arranged along a first direction to form first pixel groups; the second sub-pixels and the third sub-pixels are arranged alternately along the first direction to form second pixel groups; the first pixel groups and the second pixel groups are arranged alternately along a second direction intersecting the first direction; the pixel shift unit shifts the light emitted by the plurality of sub-pixels along a shift direction, wherein the shift direction is a same as the second direction; for the first pixel groups and the second pixel groups arranged alternately along the second direction and adjacent to each other, an orthographic projection of a second display pixel corresponding to one first sub-pixel on the display panel covers: an orthographic projection of a first display pixel corresponding to one second sub-pixel on the display panel and an orthographic projection of a first display pixel corresponding to a third sub-pixel adjacent to the one second sub-pixel on the display panel; for the second pixel groups and the first pixel groups arranged alternately along the second direction and adjacent to each other, an orthographic projection of a second display pixel corresponding to one second sub-pixel on the display panel and an orthographic projection of a second display pixel corresponding to a third sub-pixel adjacent to the one second sub-pixel on the display panel are located inside an orthographic projection of a first display pixel corresponding to a first sub-pixel on the display panel; a second display pixel correspondint to one first sub-pixel, a first display pixel corresponding to one second sub-pixel, and a first display pixel corresponding to one third sub-pixel whose orthographic projections overlap each other, form a display pixel unit; and a first display pixel correspondint to one first sub-pixel, a second display pixel correspondint to one second sub-pixel, and a second display pixel correspondint to one third sub-pixel whose orthographic projections overlap each other, form another display pixel unit. 5. The display module according to claim 4 , wherein:the first sub-pixels are blue sub-pixels, the second sub-pixels are red sub-pixels, and the third sub-pixels are green sub-pixels. 6. The display module according to claim 4 , wherein:the first sub-pixels are blue sub-pixels, the second sub-pixels are green sub-pixels, and the third sub-pixels are red sub-pixels. 7. The display module according to claim 1 , wherein:the plurality of sub-pixels includes first sub-pixels, second sub-pixels, and third sub-pixels, wherein the first sub-pixels, the second sub-pixels, and the third sub-pixels have different colors; the first sub-pixels and a portion of the second sub-pixels are arranged alternately along a third direction to form third pixel groups; another portion of the second sub-pixels and the third sub-pixels are arranged alternately along the third direction to form fourth pixel groups; the third pixel groups and the fourth pixel groups are arranged alternately along a fourth direction crossing the third direction; the pixel shift unit shifts the light emitted by the plurality of sub-pixels along a shift direction, wherein the shift direction is same as the third direction; for one of the third pixel groups, along the shift direction, an orthographic projection of a second display pixel correspondint to one first sub-pixel on the display panel overlaps an orthographic projection of a first display pixel correspondint to one second sub-pixel adjacent to the one first sub-pixel on the display panel, and an orthographic projection of a second display pixel correspondint to one second sub-pixel on the display panel overlap an orthographic projection of a first display pixel correspondint to one first sub-pixel adjacent to the one second sub-pixel on the display panel; and for one of the fourth pixel groups, along the shift direction, an orthographic projection of a second display pixel correspondint to one second sub-pixel on the display panel overlaps an orthographic projection of a first display pixel correspondint to one third sub-pixel adjacent to the one second sub-pixel on the display panel, and an orthographic projection of a second display pixel correspondint to one third sub-pixel on the display panel overlap an orthographic projection of a first display pixel correspondint to one second sub-pixel adjacent to the one third sub-pixel on the display panel. 8. The display module according to claim 7 , wherein:along the fourth direction, two adjacent sub-pixels of the plurality of sub-pixels have different colors. 9. The display module according to claim 7 , wherein:the first sub-pixels are blue sub-pixels, the second sub-pixels are green sub-pixels, and the third sub-pixels are red sub-pixels. 10. The display module according to claim 7 , wherein:the first sub-pixels, the second sub-pixels, and the third sub-pixels have an approximately same shape and same area. 11. The display module according to claim 1 , wherein:the plurality of sub-pixels includes first sub-pixels, second sub-pixels, and third sub-pixels, wherein the first sub-pixels, the second sub-pixels, and the third sub-pixels have different colors; the first sub-pixels, the second sub-pixels, and the third sub-pixels are arranged alternately along a fifth direction to form fifth pixel groups; the fifth pixel groups are arranged sequentially along a sixth direction crossing the fifth direction; the pixel shift unit shifts the light emitted by the plurality of sub-pixels along a shift direction, wherein the shift direction is same as the fifth direction; and for one of the fifth pixel groups, along the shift direction, an orthographic projection of a second display pixel correspondint to one first sub-pixel on the display panel overlaps an orthographic projection of a first display pixel correspondint to one second sub-pixel adjacent to the one first sub-pixel on the display panel, and an orthographic projection of a second display pixel correspondint to one second sub-pixel on the display panel overlap an orthographic projection of a first display pixel correspondint to one third sub-pixel adjacent to the one second sub-pixel on the display panel; and an orthographic projection of a second display pixel correspondint to one third sub-pixel on the display panel overlap an orthographic projection of a first display pixel correspondint to one first sub-pixel adjacent to the one third sub-pixel on the display panel. 12. The display module according to claim 11 , wherein:sub-pixels of the plurality of sub-pixels in adjacent fifth pixel groups are arranged in a misalignment; and a color of each sub-pixel of the plurality of sub-pixels is different from colors of sub-pixels of the plurality of sub-pixels adjacent to the sub-pixel. 13. The display module according to claim 11 , wherein:the first sub-pixels, the second sub-pixels, and the third sub-pixels have an approximately same shape and same area. 14. The display module according to claim 1 , wherein:the display panel is an organic light-emitting display panel. 15. A display method of a display module, the display module comprising a display panel with a plurality of sub-pixels and a pixel shift unit at a side of a light-exiting surface of the display panel, wherein light emitted by the plurality of sub-pixels exits after passing through the pixel shift unit, the method comprising:at a first time, the plurality of sub-pixels receiving first data signals, wherein the pixel shift unit does not shift the light emitted by the plurality of sub-pixels, and the light emitted by the plurality of sub-pixels forms first display pixels after passing through the pixel shift unit; at a second time, the plurality of sub-pixels receiving second data signals, wherein the pixel shift unit shifts the light emitted by the plurality of sub-pixels, and the light emitted by the plurality of sub-pixels forms second display pixels after passing through the pixel shift unit; and in one frame time that at least includes the first time and second time, the first display pixels and the second display pixels forming a frame of image together. 16. The display device, comprising:a display module, including:a display panel, including a plurality of sub-pixels; and a pixel shift unit, disposed at a side of a light-exiting surface of the display panel, wherein light emitted by the plurality of sub-pixels exits after passing through the pixel shift unit; wherein: for a sub-pixel of the plurality of sub-pixels:at a first time, the pixel shift unit does not shift the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a first display pixel is formed corresponding to the sub-pixel at the first time, and at a second time, the pixel shift unit shifts the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a second display pixel is formed corresponding to the sub-pixel at the second time, wherein the second display pixel does not overlap the first display pixel; an orthographic projection of the second display pixel corresponding to the sub-pixel overlaps an orthographic projection of a first display pixel of at least one adjacent sub-pixel of the plurality of sub-pixels; for the first display pixel and second display pixel having overlapped orthographic projections, the orthographic projection of the first display pixel is located inside the orthographic projection of the second display pixel, or the orthographic projection of the second display pixel is located inside the orthographic projection of the first display pixel; and for the first display pixel and second display pixel having overlapped orthographic projections, a sub-pixel of the plurality of sub-pixels, corresponding to the first display pixel, and another sub-pixel of the plurality of sub-pixels, corresponding to the second display pixel, have different colors.
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