Micro light-emitting device display panel

Abstract

The invention discloses a micro light-emitting device display panel which is characterized in that the micro light-emitting device display panel comprises a substrate and a plurality of pixels arranged on the substrate, and each pixel comprises a first epitaxial layer, a first metal reflecting layer, a second epitaxial layer, a second metal reflecting layer and a third epitaxial layer; the first metal reflecting layer is arranged on one side, far away from the substrate, of the first epitaxial layer and is used for reflecting light of the first epitaxial layer to a light-emitting surface of the micro light-emitting device display panel, so that pixels form a first light-emitting area; the second metal reflecting layer is arranged on one side, far away from the substrate, of the second epitaxial layer, and is used for reflecting the light of the second epitaxial layer to the light-emitting surface of the micro light-emitting device display panel, so that the pixels form a second light-emitting area; the light of the third epitaxial layer is emitted towards the light-emitting surface of the micro light-emitting device display panel, so that the pixels form a third light-emitting area; the colors of light rays of the first light-emitting area, the second light-emitting area and the third light-emitting area are different.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a micro-luminescent device display panel. Background Art

[0002] The micro-luminescent device display panel is a display panel that uses Si-uLED (silicon-based micro-light emitting diode) display technology. The micro-luminescent device display panel has the advantages of high brightness and high contrast. In order to achieve vertical full-color display of the micro-luminescent device display panel, the traditional micro-luminescent device display panel stacks red light emitting devices, green light emitting devices, and blue light emitting devices in the vertical direction of each pixel, so that each different color of light can be irradiated to the outside world. However, the pixels of the micro-luminescent device display panel of this solution cannot achieve partitioned light emission, resulting in a single light emission mode for the pixels of the micro-luminescent device display panel. Summary of the invention

[0003] The embodiments of the present application provide a micro-light emitting device display panel, which can realize the partitioned light emission of pixels of the micro-light emitting device display panel.

[0004] An embodiment of the present application provides a micro-light emitting device display panel, comprising a substrate and a plurality of pixels arranged on the substrate, each of the pixels comprising:

[0005] a first epitaxial layer, wherein the first epitaxial layer is disposed on the substrate;

[0006] a first metal reflective layer, which is disposed on a side of the first epitaxial layer away from the substrate and is used to reflect light from the first epitaxial layer to a light-emitting surface of the micro-light-emitting device display panel, so that the pixel forms a first light-emitting area;

[0007] a second epitaxial layer, the second epitaxial layer being disposed on a side of the first metal reflective layer away from the substrate;

[0008] A second metal reflective layer, which is disposed on a side of the second epitaxial layer away from the substrate and is used to reflect light from the second epitaxial layer to a light emitting surface of the micro-light emitting device display panel, so that the pixel forms a second light emitting area;

[0009] a third epitaxial layer, the third epitaxial layer being arranged on a side of the second metal reflective layer away from the substrate, and light from the third epitaxial layer being emitted toward a light emitting surface of the micro-light emitting device display panel, so that the pixel forms a third light emitting area;

[0010] The colors of the light from the first light-emitting area, the second light-emitting area and the third light-emitting area are different.

[0011] Furthermore, the plurality of pixels are arranged along a first direction, and the first light emitting region, the second light emitting region, and the third light emitting region in each of the pixels are arranged in sequence along the first direction.

[0012] Further, the multiple pixels are arranged along a first direction, the first light-emitting area, the second light-emitting area and the third light-emitting area in each of the pixels are arranged along the first direction, and the first light-emitting area, the second light-emitting area and the third light-emitting area in two adjacent pixels along the first direction are mirror-symmetrically arranged.

[0013] Furthermore, the first light-emitting area, the second light-emitting area and the third light-emitting area are in the shape of long strips.

[0014] Further, the first metal reflective layer includes a first metal reflective portion and a second metal reflective portion, the first metal reflective portion and the second metal reflective portion are arranged at intervals, the first metal reflective portion includes a first reflective surface, the second metal reflective portion includes a second reflective surface, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the first reflective surface faces the light emitting surface of the first epitaxial layer, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the second reflective surface faces the first reflective surface;

[0015] The second metal reflective layer includes a third metal reflective portion and a fourth metal reflective portion, the third metal reflective portion is spaced apart from the fourth metal reflective portion, the third metal reflective portion includes a third reflective surface, the fourth metal reflective portion includes a fourth reflective surface, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the third reflective surface faces the light emitting surface of the second epitaxial layer, in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the fourth reflective surface faces the third reflective surface;

[0016] The first reflective surface and the third reflective surface of the same pixel are inclined in opposite directions.

[0017] Furthermore, the area of ​​the first light-emitting area is larger than that of the second light-emitting area, the area of ​​the second light-emitting area is larger than that of the third light-emitting area, the center of the third light-emitting area coincides with the center of the pixel, and the first light-emitting area and the second light-emitting area are arranged around the periphery of the third light-emitting area.

[0018] Further, the first metal reflection layer includes a fifth metal reflection part and a sixth metal reflection part, the fifth metal reflection part and the sixth metal reflection part are arranged at intervals, the fifth metal reflection part includes a fifth reflection surface, a sixth reflection surface and a seventh reflection surface, the sixth reflection surface and the seventh reflection surface are located on both sides of the fifth reflection surface, the sixth reflection surface is opposite to the seventh reflection surface, and the sixth reflection surface and the seventh reflection surface have different inclination directions, the sixth metal reflection part includes an eighth reflection surface, a ninth reflection surface and a tenth reflection surface, the ninth reflection surface and the tenth reflection surface are located on both sides of the eighth reflection surface, the ninth reflection surface is opposite to the tenth reflection surface, and the ninth reflection surface and the tenth reflection surface have different inclination directions;

[0019] The second metal reflection layer includes a seventh metal reflection part and an eighth metal reflection part, the seventh metal reflection part is spaced apart from the eighth metal reflection part, the seventh metal reflection part includes an eleventh reflection surface, and the seventh metal reflection part includes a twelfth reflection surface;

[0020] In a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the fifth reflection surface, the sixth reflection surface and the seventh reflection surface face the light emitting surface of the first epitaxial layer, and the eleventh reflection surface faces the light emitting surface of the second epitaxial layer; in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the eighth reflection surface faces the fifth reflection surface, the ninth reflection surface faces the sixth reflection surface, the tenth reflection surface faces the seventh reflection surface, and the twelfth reflection surface faces the eleventh reflection surface;

[0021] The fifth reflection surface and the eleventh reflection surface of the same pixel have inclination directions opposite to each other.

[0022] Furthermore, the area of ​​the first light-emitting area is equal to the area of ​​the second light-emitting area, the area of ​​the first light-emitting area and the area of ​​the second light-emitting area are greater than the area of ​​the third light-emitting area, the center of the third light-emitting area coincides with the center of the pixel, and the first light-emitting area and the second light-emitting area are arranged around the periphery of the third light-emitting area.

[0023] Further, the first metal reflective layer includes a ninth metal reflective portion and a tenth metal reflective portion, the ninth metal reflective portion is spaced apart from the tenth metal reflective portion, the ninth metal reflective portion includes a thirteenth reflective surface and a fourteenth reflective surface, the fourteenth reflective surface is located on one side of the thirteenth reflective surface, the tenth metal reflective portion includes a fifteenth reflective surface and a sixteenth reflective surface, the sixteenth reflective surface is located on one side of the fifteenth reflective surface;

[0024] The second metal reflection layer includes an eleventh metal reflection portion and a twelfth metal reflection portion, the eleventh metal reflection portion is spaced apart from the twelfth metal reflection portion, the eleventh metal reflection portion includes a seventeenth reflection surface and an eighteenth reflection surface, and the twelfth metal reflection portion includes a nineteenth reflection surface and a twentieth reflection surface;

[0025] In a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the thirteenth reflection surface and the fourteenth reflection surface face the light emitting surface of the first epitaxial layer, the seventeenth reflection surface and the eighteenth reflection surface face the light emitting surface of the second epitaxial layer, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the fifteenth reflection surface faces the thirteenth reflection surface, the sixteenth reflection surface faces the fourteenth reflection surface, the nineteenth reflection surface faces the seventeenth reflection surface, and the twentieth reflection surface faces the eighteenth reflection surface;

[0026] The thirteenth reflection surface and the seventeenth reflection surface of the same pixel are inclined in opposite directions, and the fourteenth reflection surface and the eighteenth reflection surface of the same pixel are inclined in opposite directions.

[0027] Furthermore, the area of ​​the first light-emitting area is larger than that of the second light-emitting area, the area of ​​the second light-emitting area is larger than that of the third light-emitting area, the center of the third light-emitting area does not coincide with the center of the pixel, and the first light-emitting area and the second light-emitting area are arranged around the periphery of the third light-emitting area.

[0028] The present application provides a micro-light-emitting device display panel, which includes a first metal reflective layer and a second metal reflective layer by setting a pixel, wherein the first metal reflective layer is arranged on a side of the first epitaxial layer away from the substrate, and the first metal reflective layer is arranged on a side of the first epitaxial layer away from the substrate, and is used to reflect the light of the first epitaxial layer to the light-emitting surface of the micro-light-emitting device display panel, so that the pixel forms a first light-emitting area, and the second metal reflective layer is arranged on a side of the second epitaxial layer away from the substrate, and is used to reflect the light of the second epitaxial layer to the light-emitting surface of the micro-light-emitting device display panel, so that the pixel forms a second light-emitting area, and the light of the third epitaxial layer is arranged to be emitted toward the light-emitting surface of the micro-light-emitting device display panel, so that the pixel forms a third light-emitting area; on the one hand, the pixel of the micro-light-emitting device display panel can be illuminated by a partition, and on the other hand, the opaque metal bonding layer between the first epitaxial layer and the second epitaxial layer can be prevented from blocking the light of the first epitaxial layer, and the opaque metal bonding layer between the third epitaxial layer and the second epitaxial layer can be prevented from blocking the light of the second epitaxial layer, thereby improving the light extraction efficiency of the micro-light-emitting device display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a schematic diagram of a conventional micro-luminescent device display panel;

[0030] Figure 2 is a schematic diagram of a light emitting mode of a pixel of a micro-light emitting device display panel according to the first embodiment of the present application;

[0031] Figure 3 is a schematic diagram of a light emitting mode of a pixel of a micro-light emitting device display panel according to a second embodiment of the present application;

[0032] Figure 4 is a schematic diagram of a light emitting mode of a pixel of a micro-light emitting device display panel according to a third embodiment of the present application;

[0033] Figure 5 is a schematic diagram of a light emitting mode of a pixel of a micro-light emitting device display panel according to a fourth embodiment of the present application;

[0034] Figure 6 is a schematic diagram of a light emitting mode of a pixel of a micro-light emitting device display panel according to a fifth embodiment of the present application;

[0035] Figure 7 is a schematic diagram of a light emitting mode of a pixel of a micro-light emitting device display panel according to a sixth embodiment of the present application;

[0036] Figure 8 is a schematic diagram of a light emitting mode of a pixel of a micro-light emitting device display panel according to a seventh embodiment of the present application;

[0037] Fig. 9 is a schematic diagram of the first micro-light emitting device display panel of the present application;

[0038] Fig.10 yes Fig. 9 A schematic diagram of the light emitting principle of a micro-luminescent device display panel is shown;

[0039] Fig.11 is a schematic diagram of a second micro-light emitting device display panel of the present application;

[0040] Fig.12 yes Fig.11 A schematic diagram of the light emitting principle of a micro-luminescent device display panel is shown;

[0041] Fig.13 is a schematic diagram of a third micro-light-emitting device display panel of the present application;

[0042] Fig.14 yes Fig.13 A schematic diagram of the light emission principle of a micro-luminescent device display panel is shown.

[0043] 100-substrate; 200-pixel, 210-first epitaxial layer, 220-first metal reflective layer, 221-first metal reflective portion, 2211-first reflective surface, 222-second metal reflective portion, 2221-second reflective surface, 223-fifth metal reflective portion, 2231-fifth reflective surface, 2232-sixth reflective surface, 2233-seventh reflective surface, 224-sixth metal reflective portion, 2241-eighth reflective surface, 2242-ninth reflective surface, 2243-tenth reflective surface, 225-ninth metal reflective portion, 2251-thirteenth reflective surface, 2252-fourteenth reflective surface, 226-tenth metal reflective portion, 2261-fifteenth reflective surface, 2262-sixteenth Reflecting surface, 230-second epitaxial layer, 240-second metal reflecting layer, 241-third metal reflecting part, 2411-third reflecting surface, 242-fourth metal reflecting part, 2421-fourth reflecting surface, 243-seventh metal reflecting part, 2431-eleventh reflecting surface, 244-eighth metal reflecting part, 2441-twelfth reflecting surface, 245-eleventh metal reflecting part, 2451-seventeenth reflecting surface, 2452-eighteenth reflecting surface, 246-twelfth metal reflecting part, 2461-nineteenth reflecting surface, 2462-twentieth reflecting surface, 250-third epitaxial layer; 260-first transparent conductive layer; 270-second transparent conductive layer; 280-third transparent conductive layer.

[0044] 10-red light emitting device; 20-green light emitting device; 30-green light emitting device; 40-metal bonding layer. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. The technical solutions described below are only used to explain and illustrate the ideas of the present application and should not be regarded as limiting the scope of protection of the present application.

[0046] In addition, the terms "first", "second" and similar words do not indicate any order, quantity or importance, but are only used to distinguish different technical features. The term "plurality" and similar words mean two or more, unless otherwise clearly defined.

[0047] The micro-light emitting device display panel is a display panel that uses Si-uLED (silicon-based micro-light emitting diode) display technology. The micro-light emitting device display panel has the advantages of high brightness and high contrast. In order to achieve vertical full-color display of the micro-light emitting device display panel, reference Figure 1The micro-luminescent device display panel of the conventional solution stacks a red light emitting device 10, a green light emitting device 20 and a blue light emitting device 30 in the vertical direction of each pixel 200, so that each light of different colors can be irradiated to the outside, but the pixel 200 of the micro-luminescent device display panel of this solution cannot realize partitioned light emission, resulting in a single light emission mode of the pixel 200 of the micro-luminescent device display panel.

[0048] The first embodiment of the present application provides a first micro-light emitting device display panel, referring to Figure 2 The micro-light emitting device display panel includes a substrate 100 and a plurality of pixels 200 disposed on the substrate 100, each of the pixels 200 including a first epitaxial layer 210, a first metal reflective layer 220, a second epitaxial layer 230, a second metal reflective layer 240 and a third epitaxial layer 250; the first epitaxial layer 210 is disposed on the substrate 100; the first metal reflective layer 220 is disposed on a side of the first epitaxial layer 210 away from the substrate 100, and is used to reflect light from the first epitaxial layer 210 to a light emitting surface of the micro-light emitting device display panel, so that the pixel 200 forms a first light emitting area A; the second epitaxial layer 230 is disposed on a side of the first metal reflective layer 220 away from the substrate 100; the second metal reflective layer 240 is disposed on a side of the second epitaxial layer 230 The side away from the substrate 100 is used to reflect the light of the second epitaxial layer 230 to the light-emitting surface of the micro-light-emitting device display panel, so that the pixel 200 forms a second light-emitting area B; the third epitaxial layer 250 is arranged on the side of the second metal reflective layer 240 away from the substrate 100, and the light of the third epitaxial layer 250 is emitted toward the light-emitting surface of the micro-light-emitting device display panel, so that the pixel 200 forms a third light-emitting area C; wherein the colors of the light of the first light-emitting area A, the second light-emitting area B and the third light-emitting area C are different; wherein the multiple pixels 200 are arranged along a first direction, and the first light-emitting area A, the second light-emitting area B and the third light-emitting area C in each pixel 200 are arranged in sequence along the first direction.

[0049] The pixel 200 includes a first metal reflective layer 220 and a second metal reflective layer 240, wherein the first metal reflective layer 220 is disposed on a side of the first epitaxial layer 210 away from the substrate 100, and the first metal reflective layer 220 is disposed on a side of the first epitaxial layer 210 away from the substrate 100, and is used to reflect the light of the first epitaxial layer 210 to the light emitting surface of the micro-light-emitting device display panel, so that the pixel 200 forms a first light-emitting area A, and the second metal reflective layer 240 is disposed on a side of the second epitaxial layer 230 away from the substrate 100, and is used to reflect the light of the second epitaxial layer 230 to the light emitting surface of the micro-light-emitting device display panel. The light emitting surface of the panel is arranged so that the pixel 200 forms a second light emitting area B, and the light of the third epitaxial layer 250 is arranged to be emitted toward the light emitting surface of the micro-light emitting device display panel, so that the pixel 200 forms a third light emitting area C; on the one hand, the partitioned light emission of the pixel 200 of the micro-light emitting device display panel can be realized, and on the other hand, the opaque metal bonding layer between the first epitaxial layer 210 and the second epitaxial layer 230 can be prevented from blocking the light of the first epitaxial layer 210, and the opaque metal bonding layer between the third epitaxial layer 250 and the second epitaxial layer 230 can be prevented from blocking the light of the second epitaxial layer 230, thereby improving the light extraction efficiency of the micro-light emitting device display panel.

[0050] In this embodiment, in the top view of the micro-light-emitting device display panel, the area of ​​the third epitaxial layer 250250 is smaller than the area of ​​the second epitaxial layer 230230 , and the area of ​​the second epitaxial layer 230230 is smaller than the area of ​​the first epitaxial layer 210210 .

[0051] In this embodiment, the first metal reflective layer 220220 is a light-proof material. Specifically, the material of the first metal reflective layer 220220 includes Au or Sn.

[0052] In this embodiment, the second metal reflective layer 240240 is a light-proof material. Specifically, the material of the second metal reflective layer 240240 includes Au or Sn.

[0053] In this embodiment, the first light emitting area A, the second light emitting area B and the third light emitting area C are in the shape of long strips.

[0054] In this embodiment, the widths of the first light emitting area A, the second light emitting area B and the third light emitting area C are the same.

[0055] In this embodiment, the widths of the first light emitting area A, the second light emitting area B, and the third light emitting area C are different.

[0056] In this embodiment, the first metal reflective layer 220 includes a first metal reflective portion 221 and a second metal reflective portion 222, the first metal reflective portion 221 and the second metal reflective portion 222 are arranged at intervals, the first metal reflective portion 221 includes a first reflective surface 2211, and the second metal reflective portion 222 includes a second reflective surface 2221, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the first reflective surface 2211 faces the light emitting surface of the first epitaxial layer 210, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the second reflective surface 2221 faces the first reflective surface 2211; the second metal reflective layer 240 includes a third metal A reflecting portion 241 and a fourth metal reflecting portion 242, wherein the third metal reflecting portion 241 and the fourth metal reflecting portion 242 are spaced apart from each other, the third metal reflecting portion 241 includes a third reflecting surface 2411, and the fourth metal reflecting portion 242 includes a fourth reflecting surface 2421. In a direction perpendicular to the light emitting surface of the micro-light-emitting device display panel, the third reflecting surface 2411 faces the light emitting surface of the second epitaxial layer 230, and in a direction parallel to the light emitting surface of the micro-light-emitting device display panel, the fourth reflecting surface 2421 faces the third reflecting surface 2411; wherein the first reflecting surface 2211 and the third reflecting surface 2411 of the same pixel 200 have opposite inclination directions.The first metal reflective layer 220 includes a first metal reflective portion 221 and a second metal reflective portion 222, the first metal reflective portion 221 and the second metal reflective portion 222 are spaced apart, the first metal reflective portion 221 includes a first reflective surface 2211, and the second metal reflective portion 222 includes a second reflective surface 2221. In a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the first reflective surface 2211 faces the light emitting surface of the first epitaxial layer 210, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the first reflective surface 2211 faces the light emitting surface of the first epitaxial layer 210. In the direction of the light emitting surface, the second reflective surface 2221 faces the first reflective surface 2211; the second metal reflective layer 240 includes a third metal reflective portion 241 and a fourth metal reflective portion 242, the third metal reflective portion 241 and the fourth metal reflective portion 242 are arranged at intervals, the third metal reflective portion 241 includes a third reflective surface 2411, and the fourth metal reflective portion 242 includes a fourth reflective surface 2421, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the third reflective surface 2411 faces the third reflective surface 2411. The light emitting surface of the second epitaxial layer 230 is parallel to the light emitting surface of the micro-light emitting device display panel, and the fourth reflection surface 2421 faces the third reflection surface 2411; wherein the first reflection surface 2211 and the third reflection surface 2411 of the same pixel 200 are inclined in opposite directions; so that the light emitted by the first epitaxial layer 210 can be reflected onto the second reflection surface 2221 under the action of the first reflection surface 2211, and emitted toward the light emitting surface of the micro-light emitting device display panel under the action of the second reflection surface 2221, so that the second epitaxial layer 210 can be reflected onto the second reflection surface 2221 under the action of the second reflection surface 2221, and can be emitted toward the light emitting surface of the micro-light emitting device display panel. The light emitted by the epitaxial layer 230 can be reflected onto the fourth reflecting surface 2421 under the action of the third reflecting surface 2411, and emitted toward the light emitting surface of the micro-light-emitting device display panel under the action of the fourth reflecting surface 2421, which can avoid the opaque metal bonding layer between the first epitaxial layer 210 and the second epitaxial layer 230 from blocking the light of the first epitaxial layer 210, and the opaque metal bonding layer between the third epitaxial layer 250 and the second epitaxial layer 230 from blocking the light of the second epitaxial layer 230, thereby improving the light extraction efficiency of the micro-light-emitting device display panel.

[0057] In this embodiment, the first direction is the direction of the rows of the display panel.

[0058] In this embodiment, the micro light emitting device display panel further includes a first insulating layer, the first insulating layer includes a first insulating portion, and the first insulating portion is located between the first metal reflective portion 221 and the second metal reflective portion 222. Specifically, the material of the first insulating layer is SiO.

[0059] In this embodiment, the micro light emitting device display panel further includes a second insulating layer, the second insulating layer includes a second insulating portion, and the second insulating portion is located between the third metal reflective portion 241 and the fourth metal reflective portion 242. Specifically, the material of the second insulating layer is SiO.

[0060] In this embodiment, the pixel 200 also includes a first transparent conductive layer 260 and a second transparent conductive layer 270, a portion of the first transparent conductive layer 260 is located between the first epitaxial layer 210 and the first metal reflective portion 221, and the top surface of the first metal reflective portion 221 is connected to the second epitaxial layer 230, a portion of the second transparent conductive layer 270 is located between the second epitaxial layer 230 and the third metal reflective portion 241, and the top surface of the third metal reflective portion 241 is connected to the third epitaxial layer 250.

[0061] In this embodiment, the pixel 200 further includes a third transparent conductive layer 280 . A portion of the third transparent conductive layer 280 is located on a surface of the third epitaxial layer 250 away from the substrate 100 .

[0062] The second embodiment of the present application provides a second micro-light emitting device display panel, referring to Figure 3 The second embodiment is similar to the first embodiment, and the difference between the second embodiment and the first embodiment is that the plurality of pixels 200 are arranged along the first direction, the first light-emitting region A, the second light-emitting region B and the third light-emitting region C in each of the pixels 200 are arranged along the first direction, and the first light-emitting region A, the second light-emitting region B and the third light-emitting region C in two adjacent pixels 200 along the first direction are arranged in a mirror-symmetrical manner. By arranging the plurality of pixels 200 along the first direction, the first light-emitting region A, the second light-emitting region B and the third light-emitting region C in each of the pixels 200 are arranged along the first direction, and the first light-emitting region A, the second light-emitting region B and the third light-emitting region C in two adjacent pixels 200 along the first direction are arranged in a mirror-symmetrical manner, the mirror-arrangement of the light-emitting regions of two adjacent pixels 200 arranged along the first direction of the micro-light-emitting device display panel can be achieved, thereby improving the problem of a single light-emitting mode of the pixels 200 of the micro-light-emitting device display panel.

[0063] In this embodiment, the first light emitting area A, the second light emitting area B and the third light emitting area C are in the shape of long strips.

[0064] In this embodiment, the widths of the first light emitting area A, the second light emitting area B and the third light emitting area C are the same.

[0065] In this embodiment, the widths of the first light emitting area A, the second light emitting area B, and the third light emitting area C are different.

[0066] In this embodiment, reference Fig. 9 , Fig.10The first metal reflective layer 220 includes a first metal reflective portion 221 and a second metal reflective portion 222, the first metal reflective portion 221 and the second metal reflective portion 222 are arranged at intervals, the first metal reflective portion 221 includes a first reflective surface 2211, and the second metal reflective portion 222 includes a second reflective surface 2221, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the first reflective surface 2211 faces the light emitting surface of the first epitaxial layer 210, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the second reflective surface 2221 faces the first reflective surface 2211; the second metal reflective layer 240 includes a third metal reflective portion 241 and a fourth metal reflecting portion 242, the third metal reflecting portion 241 and the fourth metal reflecting portion 242 are arranged at intervals, the third metal reflecting portion 241 includes a third reflecting surface 2411, and the fourth metal reflecting portion 242 includes a fourth reflecting surface 2421, in a direction perpendicular to the light emitting surface of the micro-light-emitting device display panel, the third reflecting surface 2411 faces the light emitting surface of the second epitaxial layer 230, and in a direction parallel to the light emitting surface of the micro-light-emitting device display panel, the fourth reflecting surface 2421 faces the third reflecting surface 2411; wherein, the first reflecting surface 2211 and the third reflecting surface 2411 of the same pixel 200 are inclined in opposite directions.The first metal reflective layer 220 includes a first metal reflective portion 221 and a second metal reflective portion 222, the first metal reflective portion 221 and the second metal reflective portion 222 are spaced apart, the first metal reflective portion 221 includes a first reflective surface 2211, the second metal reflective portion 222 includes a second reflective surface 2221, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the first reflective surface 2211 faces the light emitting surface of the first epitaxial layer 210, in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the second reflective surface 2221 faces the first reflective surface 2211; the second metal reflective layer 240 includes a third metal reflective portion 241 and a fourth metal reflective portion 242, the third metal reflective portion 241 and the fourth metal reflective portion 242 are spaced apart, the third metal reflective portion 241 includes a third reflective surface 2411, the fourth metal reflective portion 242 includes a fourth reflective surface 2421, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the first reflective surface 2211 faces the light emitting surface of the first epitaxial layer 210, in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the second reflective surface 2221 faces the first reflective surface 2211; In a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the third reflection surface 2411 faces the light emitting surface of the second epitaxial layer 230, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the fourth reflection surface 2421 faces the third reflection surface 2411; wherein, the first reflection surface 2211 and the third reflection surface 2411 of the same pixel 200 are inclined in opposite directions; on the one hand, it can ensure that the light emitting areas of two adjacent pixels 200 arranged along the first direction of the micro-light emitting device display panel can be arranged in a mirror image, thereby improving the problem of a single light emitting mode of the pixels 200 of the micro-light emitting device display panel; on the other hand, it can avoid the opaque metal bonding layer between the first epitaxial layer 210 and the second epitaxial layer 230 from blocking the light of the first epitaxial layer 210, and the opaque metal bonding layer between the third epitaxial layer 250 and the second epitaxial layer 230 from blocking the light of the second epitaxial layer 230, thereby improving the light extraction efficiency of the micro-light emitting device display panel.

[0067] The third embodiment of the present application provides a third micro-light emitting device display panel, referring to Figure 4The third embodiment is similar to the first embodiment, and the third embodiment is different from the first embodiment in that the area of ​​the first light-emitting region A is larger than the area of ​​the second light-emitting region B, the area of ​​the second light-emitting region B is larger than the area of ​​the third light-emitting region C, the center of the third light-emitting region C coincides with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C. By setting the area of ​​the first light-emitting region A to be larger than the area of ​​the second light-emitting region B, the area of ​​the second light-emitting region B to be larger than the area of ​​the third light-emitting region C, the center of the third light-emitting region C coincides with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C, the area of ​​the first light-emitting region A of the pixels 200 arranged along the first direction of the micro-light-emitting device display panel is increased, thereby improving the problem of a single light-emitting mode of the pixels 200 of the micro-light-emitting device display panel.

[0068] In this embodiment, reference Fig.11 , Fig.12The first metal reflective layer 220 includes a fifth metal reflective portion 223 and a sixth metal reflective portion 224, the fifth metal reflective portion 223 and the sixth metal reflective portion 224 are arranged at intervals, the fifth metal reflective portion 223 includes a fifth reflective surface 2231, a sixth reflective surface 2232 and a seventh reflective surface 2233, the sixth reflective surface 2232 and the seventh reflective surface 2233 are located on both sides of the fifth reflective surface 2231, the sixth reflective surface 2232 is opposite to the seventh reflective surface 2233, and the sixth reflective surface The sixth metal reflective portion 224 includes an eighth reflective surface 2241, a ninth reflective surface 2242 and a tenth reflective surface 2243, the ninth reflective surface 2242 and the tenth reflective surface 2243 are located on both sides of the eighth reflective surface 2241, the ninth reflective surface 2242 is opposite to the tenth reflective surface 2243, and the ninth reflective surface 2242 and the tenth reflective surface 2243 are inclined in different directions; the second metal reflective layer 240 includes the seventh metal reflective layer 241, the ninth reflective surface 2242 and the tenth reflective surface 2243 are inclined in different directions; The fifth reflecting surface 2231, the sixth reflecting surface 2232 and the seventh reflecting surface 2233 are oriented toward the light emitting surface of the first epitaxial layer 210, and the eleventh reflecting surface 2431 is oriented toward the light emitting surface of the micro-light emitting device display panel. Towards the light emitting surface of the second epitaxial layer 230, in a direction parallel to the light emitting surface of the micro-light-emitting device display panel, the eighth reflection surface 2241 faces the fifth reflection surface 2231, the ninth reflection surface 2242 faces the sixth reflection surface 2232, the tenth reflection surface 2243 faces the seventh reflection surface 2233, and the twelfth reflection surface 2441 faces the eleventh reflection surface 2431; wherein, the inclination directions of the fifth reflection surface 2231 and the eleventh reflection surface 2431 of the same pixel 200 are opposite.The first metal reflection layer 220 includes a fifth metal reflection portion 223 and a sixth metal reflection portion 224, the fifth metal reflection portion 223 and the sixth metal reflection portion 224 are arranged at intervals, the fifth metal reflection portion 223 includes a fifth reflection surface 2231, a sixth reflection surface 2232 and a seventh reflection surface 2233, the sixth reflection surface 2232 and the seventh reflection surface 2233 are located on both sides of the fifth reflection surface 2231, the sixth reflection surface 2232 is opposite to the seventh reflection surface 2233, and the sixth reflection surface 2232 and the seventh reflection surface 2233 are inclined in different directions, and the sixth metal reflection portion 224 includes an eighth reflection surface 2231 41, a ninth reflecting surface 2242 and a tenth reflecting surface 2243, wherein the ninth reflecting surface 2242 and the tenth reflecting surface 2243 are located on both sides of the eighth reflecting surface 2241, the ninth reflecting surface 2242 is opposite to the tenth reflecting surface 2243, and the inclination directions of the ninth reflecting surface 2242 and the tenth reflecting surface 2243 are different; the second metal reflecting layer 240 includes a seventh metal reflecting portion 243 and an eighth metal reflecting portion 244, the seventh metal reflecting portion 243 is spaced from the eighth metal reflecting portion 244, the seventh metal reflecting portion 243 includes an eleventh reflecting surface 2431, and the seventh metal reflecting portion 243 includes a twelfth reflecting surface 2431. 441; in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the fifth reflection surface 2231, the sixth reflection surface 2232 and the seventh reflection surface 2233 face the light emitting surface of the first epitaxial layer 210, and the eleventh reflection surface 2431 faces the light emitting surface of the second epitaxial layer 230; in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the eighth reflection surface 2241 faces the fifth reflection surface 2231, the ninth reflection surface 2242 faces the sixth reflection surface 2232, the tenth reflection surface 2243 faces the seventh reflection surface 2233, and the twelfth reflection surface 2441 faces the eleventh reflection surface 2431 ; wherein, the inclination direction of the fifth reflection surface 2231 and the eleventh reflection surface 2431 of the same pixel 200 is opposite; on the one hand, the area of ​​the first light-emitting region A of the pixel 200 arranged along the first direction of the micro-light-emitting device display panel can be increased, thereby improving the problem of the single light-emitting mode of the pixel 200 of the micro-light-emitting device display panel; on the other hand, it can avoid the opaque metal bonding layer between the first epitaxial layer 210 and the second epitaxial layer 230 from blocking the light of the first epitaxial layer 210, and the opaque metal bonding layer between the third epitaxial layer 250 and the second epitaxial layer 230 from blocking the light of the second epitaxial layer 230, thereby improving the light extraction efficiency of the micro-light-emitting device display panel.

[0069] The fourth embodiment of the present application provides a fourth micro-light emitting device display panel, referring to Figure 5 The fourth embodiment is similar to the second embodiment, and the fourth embodiment is different from the second embodiment in that the area of ​​the first light-emitting region A is larger than the area of ​​the second light-emitting region B, the area of ​​the second light-emitting region B is larger than the area of ​​the third light-emitting region C, the center of the third light-emitting region C coincides with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C. By setting the area of ​​the first light-emitting region A to be larger than the area of ​​the second light-emitting region B, the area of ​​the second light-emitting region B to be larger than the area of ​​the third light-emitting region C, the center of the third light-emitting region C coincides with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C, the mirror arrangement of the light-emitting regions of two adjacent pixels 200 arranged along the first direction of the micro-light-emitting device display panel can be achieved, and at the same time, the area of ​​the first light-emitting region A of the pixels 200 arranged along the first direction of the micro-light-emitting device display panel can be increased, thereby improving the problem of a single light-emitting mode of the pixels 200 of the micro-light-emitting device display panel.

[0070] In this embodiment, the first metal reflective layer 220 includes a fifth metal reflective portion 223 and a sixth metal reflective portion 224, the fifth metal reflective portion 223 and the sixth metal reflective portion 224 are arranged at intervals, the fifth metal reflective portion 223 includes a fifth reflective surface 2231, a sixth reflective surface 2232 and a seventh reflective surface 2233, the sixth reflective surface 2232 and the seventh reflective surface 2233 are located on both sides of the fifth reflective surface 2231, the sixth reflective surface 2232 is opposite to the seventh reflective surface 2233, and the fifth metal reflective portion 223 includes a fifth reflective surface 2231, a sixth reflective surface 2232 and a seventh reflective surface 2233. The sixth reflection surface 2232 and the seventh reflection surface 2233 are tilted in different directions, the sixth metal reflection portion 224 includes an eighth reflection surface 2241, a ninth reflection surface 2242 and a tenth reflection surface 2243, the ninth reflection surface 2242 and the tenth reflection surface 2243 are located on both sides of the eighth reflection surface 2241, the ninth reflection surface 2242 is opposite to the tenth reflection surface 2243, and the ninth reflection surface 2242 and the tenth reflection surface 2243 are tilted in different directions; the second metal reflection layer 240 includes the seventh The metal reflecting portion 243 and the eighth metal reflecting portion 244, the seventh metal reflecting portion 243 and the eighth metal reflecting portion 244 are arranged at intervals, the seventh metal reflecting portion 243 includes an eleventh reflecting surface 2431, and the seventh metal reflecting portion 243 includes a twelfth reflecting surface 2441; in a direction perpendicular to the light emitting surface of the micro-light-emitting device display panel, the fifth reflecting surface 2231, the sixth reflecting surface 2232 and the seventh reflecting surface 2233 face the light emitting surface of the first epitaxial layer 210, and the eleventh reflecting surface 243 1 is toward the light emitting surface of the second epitaxial layer 230, in a direction parallel to the light emitting surface of the micro-light-emitting device display panel, the eighth reflection surface 2241 is toward the fifth reflection surface 2231, the ninth reflection surface 2242 is toward the sixth reflection surface 2232, the tenth reflection surface 2243 is toward the seventh reflection surface 2233, and the twelfth reflection surface 2441 is toward the eleventh reflection surface 2431; wherein, the inclination directions of the fifth reflection surface 2231 and the eleventh reflection surface 2431 of the same pixel 200 are opposite.The first metal reflection layer 220 includes a fifth metal reflection portion 223 and a sixth metal reflection portion 224, the fifth metal reflection portion 223 and the sixth metal reflection portion 224 are arranged at intervals, the fifth metal reflection portion 223 includes a fifth reflection surface 2231, a sixth reflection surface 2232 and a seventh reflection surface 2233, the sixth reflection surface 2232 and the seventh reflection surface 2233 are located on both sides of the fifth reflection surface 2231, the sixth reflection surface 2232 is opposite to the seventh reflection surface 2233, and the sixth reflection surface 2232 and the seventh reflection surface 2233 are inclined in different directions, and the sixth metal reflection portion 224 includes an eighth reflection surface 2231 41, a ninth reflecting surface 2242 and a tenth reflecting surface 2243, wherein the ninth reflecting surface 2242 and the tenth reflecting surface 2243 are located on both sides of the eighth reflecting surface 2241, the ninth reflecting surface 2242 is opposite to the tenth reflecting surface 2243, and the inclination directions of the ninth reflecting surface 2242 and the tenth reflecting surface 2243 are different; the second metal reflecting layer 240 includes a seventh metal reflecting portion 243 and an eighth metal reflecting portion 244, the seventh metal reflecting portion 243 is spaced from the eighth metal reflecting portion 244, the seventh metal reflecting portion 243 includes an eleventh reflecting surface 2431, and the seventh metal reflecting portion 243 includes a twelfth reflecting surface 2441; in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the fifth reflection surface 2231, the sixth reflection surface 2232 and the seventh reflection surface 2233 face the light emitting surface of the first epitaxial layer 210, and the eleventh reflection surface 2431 faces the light emitting surface of the second epitaxial layer 230; in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the eighth reflection surface 2241 faces the fifth reflection surface 2231, the ninth reflection surface 2242 faces the sixth reflection surface 2232, the tenth reflection surface 2243 faces the seventh reflection surface 2233, and the twelfth reflection surface 2441 faces the eleventh reflection surface 243 1; wherein the fifth reflection surface 2231 and the eleventh reflection surface 2431 of the same pixel 200 are inclined in opposite directions; on the one hand, the area of ​​the first light-emitting region A of the pixel 200 arranged along the first direction of the micro-light-emitting device display panel can be increased, thereby improving the problem of the single light-emitting mode of the pixel 200 of the micro-light-emitting device display panel; on the other hand, the light-proof metal bonding layer between the first epitaxial layer 210 and the second epitaxial layer 230 can be prevented from blocking the light of the first epitaxial layer 210, and the light-proof metal bonding layer between the third epitaxial layer 250 and the second epitaxial layer 230 can be prevented from blocking the light of the second epitaxial layer 230, thereby improving the light extraction efficiency of the micro-light-emitting device display panel.

[0071] The fifth embodiment of the present application provides a fifth micro-light emitting device display panel, referring to Figure 6 The fifth embodiment is similar to the first embodiment, and the difference between the fifth embodiment and the first embodiment is that the area of ​​the first light-emitting region A is equal to the area of ​​the second light-emitting region B, the area of ​​the first light-emitting region A and the area of ​​the second light-emitting region B are greater than the area of ​​the third light-emitting region C, the center of the third light-emitting region C coincides with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C. By setting the area of ​​the first light-emitting region A equal to the area of ​​the second light-emitting region B, the area of ​​the first light-emitting region A and the area of ​​the second light-emitting region B are greater than the area of ​​the third light-emitting region C, the center of the third light-emitting region C coincides with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C, the area of ​​the first light-emitting region A and the second light-emitting region B of the pixel 200 arranged along the first direction of the micro-light-emitting device display panel can be increased, and the first light-emitting region A and the second light-emitting region B of the pixel 200 can be symmetrical with the center of the third light-emitting region C, thereby improving the problem of a single light-emitting mode of the pixel 200 of the micro-light-emitting device display panel.

[0072] In this embodiment, the first metal reflective layer 220 includes a ninth metal reflective portion 225 and a tenth metal reflective portion 226, the ninth metal reflective portion 225 and the tenth metal reflective portion 226 are spaced apart, the ninth metal reflective portion 225 includes a thirteenth reflective surface 2251 and a fourteenth reflective surface 2252, the fourteenth reflective surface 2252 is located at one side of the thirteenth reflective surface 2251, the tenth metal reflective portion 226 includes a fifteenth reflective surface 2261 and a sixteenth reflective surface 2262, the sixteenth reflective surface 2262 is located at one side of the fifteenth reflective surface 2261; the second metal reflective layer 240 includes an eleventh metal reflective portion 245 and a twelfth metal reflective portion 246, the eleventh metal reflective portion 245 and the twelfth metal reflective portion 246 are spaced apart, the eleventh metal reflective portion 245 includes a seventeenth reflective surface 2451 and an eighteenth reflective surface 2452, the twelfth metal reflective portion 246 includes a nineteenth reflective surface 246 1 and the twentieth reflection surface 2462; in a direction perpendicular to the light emitting surface of the micro-light-emitting device display panel, the thirteenth reflection surface 2251 and the fourteenth reflection surface 2252 face the light emitting surface of the first epitaxial layer 210, the seventeenth reflection surface 2451 and the eighteenth reflection surface 2452 face the light emitting surface of the second epitaxial layer 230, and in a direction parallel to the light emitting surface of the micro-light-emitting device display panel, the fifteenth reflection surface 2261 faces the thirteenth reflection surface 2251 , the sixteenth reflection surface 2262 faces the fourteenth reflection surface 2252, the nineteenth reflection surface 2461 faces the seventeenth reflection surface 2451, and the twentieth reflection surface 2462 faces the eighteenth reflection surface 2452; wherein, the thirteenth reflection surface 2251 and the seventeenth reflection surface 2451 of the same pixel 200 are inclined in opposite directions, and the fourteenth reflection surface 2252 and the eighteenth reflection surface 2452 of the same pixel 200 are inclined in opposite directions.

[0073] The sixth embodiment of the present application provides a sixth micro-light emitting device display panel, referring to Figure 7The sixth embodiment is similar to the second embodiment, and the sixth embodiment is different from the second embodiment in that the area of ​​the first light-emitting region A is equal to the area of ​​the second light-emitting region B, the area of ​​the first light-emitting region A and the area of ​​the second light-emitting region B are greater than the area of ​​the third light-emitting region C, the center of the third light-emitting region C coincides with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C. By setting the area of ​​the first light-emitting region A equal to the area of ​​the second light-emitting region B, the area of ​​the first light-emitting region A and the area of ​​the second light-emitting region B are greater than the area of ​​the third light-emitting region C, the center of the third light-emitting region C coincides with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C, the area of ​​the first light-emitting region A and the second light-emitting region B of the pixel 200 arranged along the first direction of the micro-light-emitting device display panel can be increased, and the first light-emitting region A and the second light-emitting region B of the pixel 200 can be symmetrical with the center of the third light-emitting region C, thereby improving the problem of a single light-emitting mode of the pixel 200 of the micro-light-emitting device display panel.

[0074] In this embodiment, reference Fig.13 , Fig.14, the first metal reflecting layer 220 includes a ninth metal reflecting portion 225 and a tenth metal reflecting portion 226, the ninth metal reflecting portion 225 is spaced apart from the tenth metal reflecting portion 226, the ninth metal reflecting portion 225 includes a thirteenth reflecting surface 2251 and a fourteenth reflecting surface 2252, the fourteenth reflecting surface 2252 is located on one side of the thirteenth reflecting surface 2251, the tenth metal reflecting portion 226 includes a fifteenth reflecting surface 2261 and a sixteenth reflecting surface 2262, the sixteenth reflecting surface 2262 is located on one side of the fifteenth reflecting surface 2261; the second metal reflecting layer 240 includes an eleventh metal reflecting portion 245 and a twelfth metal reflecting portion 246, the eleventh metal reflecting portion 245 is spaced apart from the twelfth metal reflecting portion 246, the eleventh metal reflecting portion 245 includes a seventeenth reflecting surface 2451 and an eighteenth reflecting surface 2452, the twelfth metal reflecting portion 246 includes a nineteenth reflecting surface 2461 and a sixteenth reflecting surface 2462 in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the thirteenth reflection surface 2251 and the fourteenth reflection surface 2252 face the light emitting surface of the first epitaxial layer 210, the seventeenth reflection surface 2451 and the eighteenth reflection surface 2452 face the light emitting surface of the second epitaxial layer 230, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the fifteenth reflection surface 2261 faces the thirteenth reflection surface 2251, The sixteenth reflection surface 2262 faces the fourteenth reflection surface 2252, the nineteenth reflection surface 2461 faces the seventeenth reflection surface 2451, and the twentieth reflection surface 2462 faces the eighteenth reflection surface 2452; wherein the thirteenth reflection surface 2251 and the seventeenth reflection surface 2451 of the same pixel 200 are inclined in opposite directions, and the fourteenth reflection surface 2252 and the eighteenth reflection surface 2452 of the same pixel 200 are inclined in opposite directions.

[0075] The seventh embodiment of the present application provides a seventh micro-light emitting device display panel, referring to Figure 8 The seventh embodiment is similar to the second embodiment. The fifth embodiment is different from the third embodiment in that the area of ​​the first light-emitting region A is larger than the area of ​​the second light-emitting region B, the area of ​​the second light-emitting region B is larger than the area of ​​the third light-emitting region C, the center of the third light-emitting region C does not coincide with the center of the pixel 200, and the first light-emitting region A and the second light-emitting region B are arranged around the periphery of the third light-emitting region C.

[0076] The above is a detailed description of the specific implementation of the present application. The above implementation disclosed in the present application is only the preferred implementation of the present application. For ordinary technicians in this field, many modifications and improvements can be made without departing from the concept of the present application. These modifications and improvements all fall within the scope of protection defined by the claims of the present application.

Claims

1. A micro-light emitting device display panel, characterized in that: The invention comprises a substrate and a plurality of pixels arranged on the substrate, each of the pixels comprising: a first epitaxial layer, wherein the first epitaxial layer is disposed on the substrate; a first metal reflective layer, which is disposed on a side of the first epitaxial layer away from the substrate and is used to reflect light from the first epitaxial layer to a light-emitting surface of the micro-light-emitting device display panel, so that the pixel forms a first light-emitting area; a second epitaxial layer, the second epitaxial layer being disposed on a side of the first metal reflective layer away from the substrate; A second metal reflective layer, which is disposed on a side of the second epitaxial layer away from the substrate and is used to reflect light from the second epitaxial layer to a light emitting surface of the micro-light emitting device display panel, so that the pixel forms a second light emitting area; a third epitaxial layer, the third epitaxial layer being arranged on a side of the second metal reflective layer away from the substrate, and light from the third epitaxial layer being emitted toward a light emitting surface of the micro-light emitting device display panel, so that the pixel forms a third light emitting area; The colors of the light from the first light-emitting area, the second light-emitting area and the third light-emitting area are different.

2. The micro-light emitting device display panel according to claim 1, characterized in that: The plurality of pixels are arranged along a first direction, and the first light emitting region, the second light emitting region, and the third light emitting region in each of the pixels are arranged in sequence along the first direction.

3. The micro-light emitting device display panel according to claim 1, characterized in that: The multiple pixels are arranged along a first direction, the first light-emitting area, the second light-emitting area and the third light-emitting area in each of the pixels are arranged along the first direction, and the first light-emitting area, the second light-emitting area and the third light-emitting area in two adjacent pixels along the first direction are arranged in mirror symmetry.

4. The micro-light emitting device display panel according to claim 2 or 3, characterized in that: The first light emitting area, the second light emitting area and the third light emitting area are in a strip shape.

5. The micro-light emitting device display panel according to claim 4, characterized in that: The first metal reflective layer includes a first metal reflective portion and a second metal reflective portion, the first metal reflective portion and the second metal reflective portion are arranged at intervals, the first metal reflective portion includes a first reflective surface, and the second metal reflective portion includes a second reflective surface, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the first reflective surface faces the light emitting surface of the first epitaxial layer, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the second reflective surface faces the first reflective surface; The second metal reflective layer includes a third metal reflective portion and a fourth metal reflective portion, the third metal reflective portion is spaced apart from the fourth metal reflective portion, the third metal reflective portion includes a third reflective surface, the fourth metal reflective portion includes a fourth reflective surface, in a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the third reflective surface faces the light emitting surface of the second epitaxial layer, in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the fourth reflective surface faces the third reflective surface; The first reflective surface and the third reflective surface of the same pixel are inclined in opposite directions.

6. The micro-light emitting device display panel according to claim 2 or 3, characterized in that: The area of ​​the first light-emitting area is larger than that of the second light-emitting area, the area of ​​the second light-emitting area is larger than that of the third light-emitting area, the center of the third light-emitting area coincides with the center of the pixel, and the first light-emitting area and the second light-emitting area are arranged around the periphery of the third light-emitting area.

7. The micro-light emitting device display panel according to claim 6, characterized in that: The first metal reflecting layer includes a fifth metal reflecting portion and a sixth metal reflecting portion, the fifth metal reflecting portion is arranged at an interval from the sixth metal reflecting portion, the fifth metal reflecting portion includes a fifth reflecting surface, a sixth reflecting surface and a seventh reflecting surface, the sixth reflecting surface and the seventh reflecting surface are located on both sides of the fifth reflecting surface, the sixth reflecting surface is opposite to the seventh reflecting surface, and the sixth reflecting surface and the seventh reflecting surface have different inclination directions, the sixth metal reflecting portion includes an eighth reflecting surface, a ninth reflecting surface and a tenth reflecting surface, the ninth reflecting surface and the tenth reflecting surface are located on both sides of the eighth reflecting surface, the ninth reflecting surface is opposite to the tenth reflecting surface, and the ninth reflecting surface and the tenth reflecting surface have different inclination directions; The second metal reflection layer includes a seventh metal reflection part and an eighth metal reflection part, the seventh metal reflection part is spaced apart from the eighth metal reflection part, the seventh metal reflection part includes an eleventh reflection surface, and the seventh metal reflection part includes a twelfth reflection surface; In a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the fifth reflection surface, the sixth reflection surface and the seventh reflection surface face the light emitting surface of the first epitaxial layer, and the eleventh reflection surface faces the light emitting surface of the second epitaxial layer; in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the eighth reflection surface faces the fifth reflection surface, the ninth reflection surface faces the sixth reflection surface, the tenth reflection surface faces the seventh reflection surface, and the twelfth reflection surface faces the eleventh reflection surface; The fifth reflection surface and the eleventh reflection surface of the same pixel have inclination directions opposite to each other.

8. The micro-light emitting device display panel according to claim 2 or 3, characterized in that: The area of ​​the first light-emitting area is equal to the area of ​​the second light-emitting area, the area of ​​the first light-emitting area and the area of ​​the second light-emitting area are greater than the area of ​​the third light-emitting area, the center of the third light-emitting area coincides with the center of the pixel, and the first light-emitting area and the second light-emitting area are arranged around the periphery of the third light-emitting area.

9. The micro-light emitting device display panel according to claim 8, characterized in that: The first metal reflecting layer includes a ninth metal reflecting portion and a tenth metal reflecting portion, the ninth metal reflecting portion is spaced apart from the tenth metal reflecting portion, the ninth metal reflecting portion includes a thirteenth reflecting surface and a fourteenth reflecting surface, the fourteenth reflecting surface is located at one side of the thirteenth reflecting surface, the tenth metal reflecting portion includes a fifteenth reflecting surface and a sixteenth reflecting surface, the sixteenth reflecting surface is located at one side of the fifteenth reflecting surface; The second metal reflection layer includes an eleventh metal reflection portion and a twelfth metal reflection portion, the eleventh metal reflection portion is spaced apart from the twelfth metal reflection portion, the eleventh metal reflection portion includes a seventeenth reflection surface and an eighteenth reflection surface, and the twelfth metal reflection portion includes a nineteenth reflection surface and a twentieth reflection surface; In a direction perpendicular to the light emitting surface of the micro-light emitting device display panel, the thirteenth reflection surface and the fourteenth reflection surface face the light emitting surface of the first epitaxial layer, the seventeenth reflection surface and the eighteenth reflection surface face the light emitting surface of the second epitaxial layer, and in a direction parallel to the light emitting surface of the micro-light emitting device display panel, the fifteenth reflection surface faces the thirteenth reflection surface, the sixteenth reflection surface faces the fourteenth reflection surface, the nineteenth reflection surface faces the seventeenth reflection surface, and the twentieth reflection surface faces the eighteenth reflection surface; The thirteenth reflection surface and the seventeenth reflection surface of the same pixel are inclined in opposite directions, and the fourteenth reflection surface and the eighteenth reflection surface of the same pixel are inclined in opposite directions.

10. The micro-light emitting device display panel according to claim 2 or 3, characterized in that: The area of ​​the first light-emitting area is larger than that of the second light-emitting area, the area of ​​the second light-emitting area is larger than that of the third light-emitting area, the center of the third light-emitting area does not coincide with the center of the pixel, and the first light-emitting area and the second light-emitting area are arranged around the periphery of the third light-emitting area.

Images