CN114388555A - Display substrate and display device - Google Patents

Abstract

The application discloses a display substrate and a display device. The display substrate comprises a substrate and a plurality of pixel units arranged on the substrate in an array mode, wherein each pixel unit comprises a first sub-pixel unit and a second sub-pixel unit, the first sub-pixel unit and the second sub-pixel unit emit light with different colors respectively, the second sub-pixel unit is arranged far away from the substrate relative to the first sub-pixel unit, and the first sub-pixel unit and the second sub-pixel unit share the same light emitting area. By the scheme, the arrangement number of the pixel units on the unit area of the substrate can be increased, and the resolution of the display substrate is improved.

Description

Display substrate and display device

technical field

The present application belongs to the field of display technology, and in particular, relates to a display substrate and a display device.

Background technique

Compared with the existing liquid crystal panel based on liquid crystal display technology, the LED (light-emitting diode, light emitting diode) display panel based on semiconductor material has the characteristics of high brightness, long life, low energy consumption and fast response speed. A strong contender for a new generation of display technology.

Existing LED display panels are usually formed by mounting a plurality of LED light-emitting chip arrays on a substrate. However, due to the large size of the LED light-emitting chips, the number of pixels per unit size on the formed LED display panel is small. Therefore, it will affect the display effect of the LED display panel.

SUMMARY OF THE INVENTION

The present application provides a display substrate and a display device to solve the problem that the number of pixels per unit size on an existing LED display panel is small, which affects the display effect of the LED display panel.

In order to solve the above technical problems, a technical solution adopted in the present application is to provide a display substrate, comprising a substrate and a plurality of pixel units arranged on the substrate in an array, each of the pixel units includes a first display substrate. a sub-pixel unit and a second sub-pixel unit, the first sub-pixel unit and the second sub-pixel unit respectively emit light of different colors, and the second sub-pixel is far away from the first sub-pixel relative to the first sub-pixel The substrate is disposed, and the first sub-pixel and the second sub-pixel share the same light emitting area.

Optionally, the first sub-pixel unit and the second sub-pixel unit are stacked on one side in a direction away from the substrate.

Optionally, each of the pixel units further includes a third sub-pixel unit, and the first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit emit lights of different colors respectively;

The third sub-pixel unit is disposed on the side of the second sub-pixel unit away from the first sub-pixel unit; or, the third sub-pixel unit is attached to the substrate and is connected to the first sub-pixel unit Unit interval setting.

Optionally, the first sub-pixel unit, the second sub-pixel unit, and the third sub-pixel unit are red light-emitting diodes, green light-emitting diodes, and blue light-emitting diodes, respectively.

Optionally, a first light-transmitting film layer is disposed between the first sub-pixel unit and the second sub-pixel unit;

The first light-transmitting film layer is configured to allow the light emitted by the first sub-pixel unit to pass therethrough, and does not allow the light emitted by the second sub-pixel unit and the third sub-pixel unit to pass therethrough.

Optionally, at least one of the first sub-pixel unit and the second sub-pixel unit is disposed inclined to the substrate.

Optionally, each of the pixel units further includes a third sub-pixel unit, and the first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit emit lights of different colors respectively;

The first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit are fixedly connected in sequence, and the first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit The units are all arranged obliquely with the substrate.

Optionally, the center connection lines of the first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit are collinear, and the first sub-pixel unit, the second sub-pixel unit And the inclination angle between the center line of the third sub-pixel unit and the substrate is 0-90 degrees.

Optionally, the substrate is provided with a plurality of mounting grooves arranged in an array, and a plurality of the pixel units are respectively installed in the mounting grooves, wherein a reflection layer is provided on the inner wall of the mounting groove, and the reflective layer is arranged on the inner wall of the mounting groove. The layer is used to reflect the light emitted by the pixel unit from the mounting groove.

In order to solve the above-mentioned technical problem, a technical solution adopted in the present application is to provide a display device including a packaging cover plate and a display substrate, and the display substrate is the aforementioned display substrate;

The package cover plate is covered on the side of the pixel unit away from the substrate.

The beneficial effects of the present application are: in the solution of the present application, by arranging the second sub-pixel unit away from the substrate relative to the first sub-pixel unit, the first sub-pixel unit and the second sub-pixel unit share the same light emitting area (ie , so that the light emitted by the first sub-pixel unit and the second sub-pixel unit can be emitted from the same light-emitting area), so that the projected area of the first sub-pixel unit and the second sub-pixel unit on the substrate can be reduced, so that each The projected area of a pixel unit on the substrate, that is, the installation area occupied by the projected area on the substrate on the substrate can be reduced, so the number of pixel units per unit area on the substrate can be increased, and the resolution of the display substrate can be improved. Improve the display effect.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

FIG. 1 is a schematic structural diagram of an embodiment of a display substrate provided by the present application;

Fig. 2 is a cross-sectional view of an embodiment of the display substrate shown in Fig. 1 at the A-A' section;

Fig. 3 is a cross-sectional view of another embodiment of the display substrate shown in Fig. 1 at the A-A' section;

Fig. 4 is a cross-sectional view of another embodiment of the display substrate shown in Fig. 1 at the A-A' section;

FIG. 5 is a schematic structural diagram of another embodiment of a display substrate provided by the present application;

FIG. 6 is a cross-sectional view of an embodiment of the display substrate shown in FIG. 5 at the B-B' section;

FIG. 7 is a cross-sectional view of another embodiment of the display substrate shown in FIG. 5 at the cross section B-B'

FIG. 8 is a cross-sectional view of another embodiment of the display substrate shown in FIG. 5 at the B-B' section;

FIG. 9 is a cross-sectional view of another embodiment of the display substrate shown in FIG. 5 at the cross section B-B'

FIG. 10 is a schematic structural diagram of an embodiment of a display device provided by the present application.

Display substrate--10, 20, 320; light-emitting area--101, 201; substrate--110, 210, 321; pixel unit--120, 220, 322; first sub-pixel unit--121, 221; second Sub-pixel unit--122, 222; third sub-pixel unit--123, 223; reflective film layer--130; first light-transmitting film layer--140; second light-transmitting film layer--150; -230; Reflective layer--231; Display device--30; Encapsulation cover plate--310; Homogenizing film layer--330.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of this application.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present application, the directional indications are only used to explain a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, if there are descriptions related to "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for the purpose of description, and should not be construed as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection claimed in this application.

See Figures 1-2. FIG. 1 is a schematic structural diagram of an embodiment of a display substrate provided by the present application; FIG. 2 is a cross-sectional view of an embodiment of the display substrate shown in FIG. 1 at the section A-A'.

The display substrate 10 includes a substrate 110 and a plurality of pixel units 120 arranged on the substrate 110 and arranged in an array. Each pixel unit 120 includes a first sub-pixel unit 121 and a second sub-pixel unit 122. The first sub-pixel unit 120 121 and the second sub-pixel unit 122 respectively emit light of different colors, and the second sub-pixel unit 122 is disposed away from the substrate 110 relative to the first sub-pixel unit 121, and the first sub-pixel unit 121 and the second sub-pixel unit 122 are shared the same light-emitting area.

The side of the pixel unit 120 facing away from the substrate 110 is the light-emitting side. Each pixel unit 120 can form a light-emitting area 101 in the light-emitting layer. The first sub-pixel unit 121 and the second sub-pixel unit 122 can share the same light-emitting area. It is expressed as, the light emitted by the first sub-pixel unit 121 and the second sub-pixel unit 122 may at least partially overlap in the light emitting area 101 .

Therefore, in this embodiment, by disposing the second sub-pixel unit 122 away from the substrate 110 relative to the first sub-pixel unit 121 , the first sub-pixel unit 121 and the second sub-pixel unit 122 share the same light emitting area (ie, The light emitted by the first sub-pixel unit 121 and the second sub-pixel unit 122 can be emitted from the same light emitting area 101 ), thereby reducing the projection area of the first sub-pixel unit 121 and the second sub-pixel unit 122 on the substrate 110 , so that the projected area of each pixel unit 120 on the substrate 110 can be reduced, that is, the installation area occupied by the projected area on the substrate 110 on the substrate 110 can be reduced, so the pixel units per unit area on the substrate 110 can be increased. The number of 120 improves the resolution of the display substrate 10 and improves the display effect.

In this embodiment, the first sub-pixel unit 121 and the second sub-pixel unit 122 are arranged in two manners: a stacked arrangement and an inclined arrangement.

Wherein, each pixel unit 120 further includes a third sub-pixel unit 123 . The first sub-pixel unit 121 , the second sub-pixel unit 122 and the third sub-pixel unit 123 emit lights of different colors respectively.

Wherein, optionally, the first sub-pixel unit 121, the second sub-pixel unit 122, and the third sub-pixel unit 123 may be red light-emitting diodes, green light-emitting diodes, and blue light-emitting diodes, respectively.

The first sub-pixel unit 121 and the second sub-pixel unit 122 may be any two of the red light-emitting diode, the green light-emitting diode and the blue light-emitting diode, and the third sub-pixel unit 123 may be the remaining one of the three. By.

Lights emitted by the first sub-pixel unit 121 , the second sub-pixel unit 122 and the third sub-pixel unit 123 can be mixed to form white light.

Please refer to FIG. 3. FIG. 3 is a cross-sectional view of another embodiment of the display substrate shown in FIG. 1 at the cross section A-A'.

The first sub-pixel unit 121 and the second sub-pixel unit 122 are arranged in a stacked manner.

The first sub-pixel unit 121 is attached to the substrate 110, and the second sub-pixel unit 122 can be stacked on the side of the first sub-pixel unit 121 away from the substrate.

The light emitted by the first sub-pixel unit 121 can pass through the second sub-pixel unit 122 and be emitted to the upper light emitting area 101 , and the same light emitted by the second sub-pixel unit 122 can also be emitted from the same source as the second sub-pixel unit 122 The light-emitting area 101 emits.

The third sub-pixel unit 123 and the first sub-pixel unit 121 may both be attached to the substrate 110 , and the third sub-pixel unit 123 and the first sub-pixel unit 121 may be arranged at intervals.

In this embodiment, by stacking the second sub-pixel unit 122 on the side of the first sub-pixel unit 121 away from the substrate 110 , the space for disposing the second sub-pixel unit 122 on the substrate 110 can be reduced, thereby reducing the size of the substrate 110 . The space for disposing the entire pixel unit 120 is reduced, so that the number of the pixel units 120 disposed on a unit area of the substrate 110 can be increased, thereby improving the resolution of the display substrate 10 .

Wherein, optionally, a reflective film layer 130 may be provided between the first sub-pixel unit 121 and the substrate 110 (and between the third sub-pixel unit 123 and the substrate 110 ), and the reflective film layer 130 may The light emitted by 121 (or the third sub-pixel unit 123 ) toward the substrate 110 is reflected back, so that the reflected light is emitted toward the light emitting area 101 , and this solution can improve the light utilization efficiency.

Further, please refer to Figure 3.

Wherein, a first light-transmitting film layer 140 may also be arranged between the first sub-pixel unit 121 and the second sub-pixel unit 122, and the first light-transmitting film layer 140 is arranged to allow the light emitted by the first sub-pixel unit 121 to pass through. and the light emitted by the second sub-pixel unit 122 is not allowed to pass through.

In this solution, the light emitted by the first sub-pixel unit 121 can be emitted toward the light-emitting area 101 through the first light-transmitting film layer 140, and the light emitted by the second sub-pixel unit 122 toward the side of the first sub-pixel unit 121 can be emitted blocked by the first light-transmitting film layer 140 .

The first light-transmitting film layer 140 may also be configured to reflect the light emitted by the second sub-pixel unit 122 , thereby improving the utilization rate of the light emitted by the second sub-pixel unit 122 .

In this embodiment, the outer dimensions of the second sub-pixel unit 122 and the first sub-pixel unit 121 can be set to match, so that the projection of the second sub-pixel unit 122 and the first sub-pixel unit 121 on the substrate 110 can be achieved. overlap.

In a more preferred embodiment, the first sub-pixel unit 121 can be a red light-emitting diode, that is, the first sub-pixel unit 121 can emit red light. Since the red light has a strong penetrating ability, the first sub-pixel unit can be ensured. The light emitted by the 121 can penetrate the second sub-pixel unit 122 and be emitted toward the light emitting area 101, so that the light utilization rate of the light emitted by the first sub-pixel unit 121 can be further improved.

Please further refer to FIG. 4, which is a cross-sectional view of another embodiment of the display substrate shown in FIG. 1 at the cross section A-A'.

The third sub-pixel unit 123 may be disposed on the side of the second sub-pixel unit 122 away from the first sub-pixel unit 121, that is, the first sub-pixel unit 121, the second sub-pixel unit 122 and the third sub-pixel unit 123 may be located on the The directions away from the substrate 110 are stacked in sequence.

Wherein, optionally, the external dimensions of the first sub-pixel unit 121 , the second sub-pixel unit 122 and the third sub-pixel unit 123 are matched, so that the projections of the three on the substrate 110 overlap.

In this solution, by stacking the second sub-pixel unit 122 and the third sub-pixel unit 123 on the first sub-pixel unit 121, the second sub-pixel unit 122 and the third sub-pixel unit 123 on the substrate can be omitted. 110, so that the size of the pixel unit 120 can be further reduced, and the number of pixel units 120 per unit area on the substrate 110 can be further increased, so that the resolution of the display substrate 10 can be further improved, and the resolution of the display substrate 10 can be improved. display effect.

In this embodiment, in some implementation manners, a second light-transmitting film layer 150 may also be disposed between the second sub-pixel unit 122 and the third sub-pixel unit 123 , wherein the second light-transmitting film layer 150 may be It is set to allow the light emitted by the first sub-pixel unit 121 and the second sub-pixel unit 122 to pass therethrough, and can block the light emitted from the third sub-pixel unit 123 toward the direction of the second sub-pixel unit 122 . More preferably, the second light-transmitting film layer 150 may also be configured to reflect the light emitted by the third sub-pixel unit 123, so that the utilization rate of the light emitted by the third sub-pixel unit 123 can be achieved.

See Figure 5 and Figure 6. FIG. 5 is a schematic structural diagram of another embodiment of a display substrate provided by the present application; FIG. 6 is a cross-sectional view of the display substrate of the embodiment shown in FIG. 5 at the section B-B'.

The display substrate 20 includes a substrate 210 and a plurality of pixel units 220 arranged on the substrate 210 in an array. Each pixel unit 220 includes a first sub-pixel unit 221 and a second sub-pixel unit 222. The first sub-pixel unit 220 The pixel unit 221 and the second sub-pixel unit 222 respectively emit light of different colors, and at least one of the first sub-pixel unit 221 and the second sub-pixel unit 222 may be inclined to the substrate 110 .

Therefore, by arranging at least one of the first sub-pixel unit 221 and the second sub-pixel unit 222 to be inclined to the substrate 210, the projection of the entire pixel unit 220 on the substrate 210 can also be reduced, so that the substrate 210 can be improved. The number of the pixel units 220 per unit area on the 210 can be further improved, so that the resolution of the display substrate 20 can be further improved, and the display effect of the display substrate 10 can be improved.

Same as the above, each pixel unit 220 further includes a third sub-pixel unit 223, wherein the first sub-pixel unit 221, the second sub-pixel unit 222 and the third sub-pixel unit 223 respectively emit light of different colors.

Wherein, optionally, the first sub-pixel unit 221, the second sub-pixel unit 222, and the third sub-pixel unit 223 may be red light-emitting diodes, green light-emitting diodes, and blue light-emitting diodes, respectively. The first sub-pixel unit 221 and the second sub-pixel unit 222 may be any two of the red light-emitting diodes, the green light-emitting diodes, and the blue light-emitting diodes, and the third sub-pixel unit 223 may be the remaining one of the three. By. Lights emitted by the first sub-pixel unit 221 , the second sub-pixel unit 222 and the third sub-pixel unit 223 can be mixed to form white light.

Therefore, in this embodiment, at least one of the first sub-pixel unit 221 , the second sub-pixel unit 222 , and the third sub-pixel unit 223 may be disposed obliquely to the substrate 210 .

Please refer to Figure 6 further.

The second sub-pixel unit 222 is disposed obliquely to the substrate 220 , and the first sub-pixel unit 221 and the third sub-pixel unit 223 can be attached to the substrate 220 .

See Figure 7. Fig. 7 is a cross-sectional view of another embodiment of the display substrate shown in Fig. 5, taken along the section B-B'.

The first sub-pixel unit 221 and the second sub-pixel unit 222 are fixedly connected, and both the first sub-pixel unit 221 and the second sub-pixel unit 222 are disposed inclined to the substrate 220, and the third sub-pixel unit 223 can be attached to on the substrate 220 .

See Figure 8. Fig. 8 is a cross-sectional view of another embodiment of the display substrate shown in Fig. 5, taken along the section B-B'.

The first sub-pixel unit 221 , the second sub-pixel unit 222 and the third sub-pixel unit 223 are fixedly connected in sequence, and the first sub-pixel unit 221 , the second sub-pixel unit 222 and the third sub-pixel unit 223 are all connected with The substrates 220 are arranged obliquely.

Optionally, the center lines of the first sub-pixel unit 221, the second sub-pixel unit 222 and the third sub-pixel unit 223 are collinear, and the first sub-pixel unit 221, the second sub-pixel unit 222 and the third sub-pixel unit 223 The inclination angle between the center line of the unit 223 and the substrate 220 is 0-90 degrees. That is, the inclination angle between the center line of the first sub-pixel unit 221 , the second sub-pixel unit 222 and the third sub-pixel unit 223 and the substrate 220 is greater than zero degrees and less than 90 degrees.

Preferably, the inclination angle between the center line of the first sub-pixel unit 221, the second sub-pixel unit 222 and the third sub-pixel unit 223 and the substrate 220 may be 40-50 degrees, for example, may be 40, 45 or 50 degrees Spend.

Please refer to FIG. 9. FIG. 9 is a cross-sectional view of another embodiment of the display substrate shown in FIG. 5 at the cross section B-B'.

The first sub-pixel unit 221 is attached to the substrate 220, the second sub-pixel unit 222 and the third sub-pixel unit 223 are respectively disposed on opposite sides of the first sub-pixel unit 221, wherein the second sub-pixel unit 222 and the third sub-pixel unit 223 are disposed obliquely with the substrate 220, and each end of the second sub-pixel unit 222 and the third sub-pixel unit 223 are respectively disposed toward the first sub-pixel unit 221, and the second sub-pixel unit 222 and the third sub-pixel unit 223 The other ends of the three sub-pixel units 223 are inclined toward each other.

In the embodiment shown in FIGS. 6-9 , at least one sub-pixel unit (the first sub-pixel unit 221 , the second sub-pixel unit 222 or the third sub-pixel unit 223 ) in each pixel unit 220 is inclined to the substrate 220 setting. This solution will cause the light emission direction of the pixel unit to change. At this time, the sub-pixel units can be arranged in the installation groove with the reflective layer, and the light emitted by the sub-pixel unit can be reflected by the reflective layer, and the emitted light of the sub-pixel unit can be changed. Therefore, the light emitted by the sub-pixel units in each pixel unit 220 can be all emitted toward the light-emitting area 201 corresponding to the pixel unit 220 .

The substrate 220 is provided with a plurality of installation grooves 230 arranged in an array, and the plurality of pixel units 220 can be installed in the installation grooves 230 respectively, wherein a reflective layer 231 is provided on the inner wall of the installation groove 230, and the reflective layer 231 is used to The light emitted by the pixel unit 220 is emitted toward the light emitting area 201 .

The light emitted by any one of the first sub-pixel unit 221 , the second sub-pixel unit 222 and the third sub-pixel unit 223 is reflected by the reflective layer 231 on the inner wall of the mounting groove 230 , and then the light emitted from the mounting groove 230 away from the side of the substrate 220 is reflected. Open out.

Based on the same inventive concept, the present application also provides a display device. See Figure 10. FIG. 10 is a schematic structural diagram of an embodiment of a display device provided by the present application.

The display device 30 includes a package cover 310 and a display substrate 320, wherein the display substrate 320 may be the display substrate 10 or the display substrate 20 as described above.

Likewise, the display substrate 320 may include a substrate 321 and a pixel unit 322 . The arrangement of the substrate 321 and the pixel unit 322 can be referred to as described in the previous embodiments, which will not be repeated here.

The package cover 310 is covered on the side of the pixel unit 322 away from the substrate 321 , so as to encapsulate and protect the pixel unit 322 .

Optionally, a light-diffusing film layer 330 may also be provided on the pixel unit 322 away from the substrate 321, and the light emitted from the pixel unit 322 may pass through the light-diffusing film layer 330 and the encapsulation cover plate 310 in sequence, and the light-diffusing film layer 310 is emitted. The function of 330 is to make the light distribution emitted by each pixel unit 322 more uniform.

To sum up, those skilled in the art can easily understand that the beneficial effects of the present application are: in the solution of the present application, by arranging the second sub-pixel unit away from the substrate relative to the first sub-pixel unit, by arranging the first sub-pixel unit with the first sub-pixel unit The two sub-pixel units share the same light-emitting area (that is, the light emitted by the first sub-pixel unit and the second sub-pixel unit can be emitted from the same light-emitting area), so that the difference between the first sub-pixel unit and the second sub-pixel unit can be reduced. The projected area on the substrate can make the projected area of each pixel unit on the substrate, that is, the installation area occupied by the projected area on the substrate on the substrate can be reduced, so the pixel unit per unit area on the substrate can be increased. , improve the resolution of the display substrate and improve the display effect.

The above are only the embodiments of the present application, and are not intended to limit the scope of the patent of the present application. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied to other related technologies Fields are similarly included within the scope of patent protection of this application.

Claims (10)

1. A display substrate, comprising a substrate and a plurality of pixel units arranged on the substrate in an array, wherein each of the pixel units includes a first sub-pixel unit and a second sub-pixel unit , the first sub-pixel unit and the second sub-pixel unit respectively emit light of different colors, the second sub-pixel is disposed away from the substrate relative to the first sub-pixel, and the first sub-pixel It shares the same light emitting area with the second sub-pixel. 2. The display substrate according to claim 1, wherein, The first sub-pixel unit and the second sub-pixel unit are stacked on one side in a direction away from the substrate. 3. The display substrate according to claim 2, wherein, Each of the pixel units further includes a third sub-pixel unit, the first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit respectively emit light of different colors; The third sub-pixel unit is disposed on the side of the second sub-pixel unit away from the first sub-pixel unit; or, the third sub-pixel unit is attached to the substrate and is connected to the first sub-pixel unit Unit interval setting. 4. The display substrate according to claim 3, wherein, The first sub-pixel unit, the second sub-pixel unit, and the third sub-pixel unit are red light-emitting diodes, green light-emitting diodes, and blue light-emitting diodes, respectively. 5. The display substrate according to claim 3, wherein, A first light-transmitting film layer is arranged between the first sub-pixel unit and the second sub-pixel unit; The first light-transmitting film layer is configured to allow the light emitted by the first sub-pixel unit to pass therethrough, and does not allow the light emitted by the second sub-pixel unit and the third sub-pixel unit to pass therethrough. 6. The display substrate according to claim 1, wherein, At least one of the first sub-pixel unit and the second sub-pixel unit is disposed obliquely with the substrate. 7. The display substrate according to claim 6, wherein, Each of the pixel units further includes a third sub-pixel unit, the first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit respectively emit light of different colors; The first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit are fixedly connected in sequence, and the first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit The units are all arranged obliquely with the substrate. 8. The display substrate according to claim 7, wherein, The center lines of the first sub-pixel unit, the second sub-pixel unit, and the third sub-pixel unit are collinear, and the first sub-pixel unit, the second sub-pixel unit, and the first sub-pixel unit The inclination angle between the center line of the three sub-pixel units and the substrate is 0-90 degrees. 9. The display substrate according to any one of claims 6-8, wherein, The substrate is provided with a plurality of installation grooves arranged in an array, and a plurality of the pixel units are respectively installed in the installation grooves, wherein a reflective layer is arranged on the inner wall of the installation groove, and the reflective layer is used to The light emitted by the pixel unit is reflected from the mounting groove. 10. A display device, comprising a package cover plate and a display substrate, wherein the display substrate is the display substrate according to any one of claims 1-9; The package cover plate is covered on the side of the pixel unit away from the substrate.

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