Spliced screen and display device

Abstract

The invention provides a spliced screen and a display device, the spliced screen comprises a first type splicing area, the first type splicing area comprises a first splicing subarea, and the spliced screen comprises a first display panel comprising a first substrate and a first display layer located on one side of the first substrate; the second display panel comprises a second substrate and a second display layer located on one side of the second substrate; wherein the first substrate comprises a first type of first thinning part, and the second substrate comprises a first type of second thinning part; in the first splicing sub-area, the first type of first thinning part and the first type of second thinning part are at least partially contacted, and the orthographic projection of the first display layer on the first substrate is connected with the orthographic projection of the second display layer on the second substrate. According to the technical scheme, the splicing distance can be reduced, splicing dark lines are avoided, and the display effect is improved.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a spliced ​​screen and a display device. Background Art

[0002] With the development of display technology, the application scenarios of display screens are increasing, and large-screen display is one of the future development trends. In order to achieve ultra-large screen display, splicing screen technology came into being. Splicing screen uses multiple small display screens to form a large display screen. Each small display screen can display part of the entire image or different images; splicing screens are widely used in security, monitoring, medical, radio and television, advertising and media and other fields. However, splicing screens still have some problems. Summary of the invention

[0003] In order to solve the above technical problems, the present application provides a spliced ​​screen and a display device.

[0004] In a first aspect, an embodiment of the present application provides a splicing screen, including a first type of splicing area, the first type of splicing area including a first splicing sub-area, the splicing screen including: a first display panel, including a first substrate and a first display layer located on one side of the first substrate; a second display panel, including a second substrate and a second display layer located on one side of the second substrate; wherein the first substrate includes a first type of first thinning portion, and the second substrate includes a first type of second thinning portion; in the first splicing sub-area, the orthographic projection of the first type of second thinning portion on the first substrate at least partially overlaps with the first type of first thinning portion, and the orthographic projection of the first display layer on the first substrate is connected to the orthographic projection of the second display layer on the second substrate.

[0005] In combination with the first aspect, the first substrate further includes a first non-thinning portion located on a side of the first type first thinning portion away from the second substrate, and the second substrate further includes a second non-thinning portion located on a side of the first type second thinning portion away from the first substrate, and in a direction perpendicular to the first substrate, the thickness of the first non-thinning portion is equal to the thickness of the second non-thinning portion; preferably, in the first splicing sub-area, part of the first type second thinning portion is overlapped on a portion of the surface of the first display layer away from the first substrate or a portion of the surface of the first type thinning portion close to the first display layer, and in a direction perpendicular to the first substrate, the sum of the thickness of the first type first thinning portion and the thickness of the first type second thinning portion is equal to the thickness of the first non-thinning portion; preferably, in a direction perpendicular to the first substrate, the thickness of the first type first thinning portion is 1 / 4 to 1 / 2 of the thickness of the first non-thinning portion, and the thickness of the first type second thinning portion is 1 / 4 to 1 / 2 of the thickness of the second non-thinning portion.

[0006] In combination with the first aspect, the first substrate includes a first substrate and a second substrate stacked together, and the first substrate is located on a side of the second substrate close to the first display layer; the second substrate includes a third substrate and a fourth substrate stacked together, and the third substrate is located on a side of the fourth substrate close to the second display layer; in the first splicing sub-area, the first type of first thinning portion includes the second substrate, and the first type of second thinning portion includes the fourth substrate; preferably, in a direction perpendicular to the first substrate, the thickness of the second substrate is 1 / 4 to 1 / 2 of the thickness of the first non-thinning portion, and the thickness of the fourth substrate is 1 / 4 to 1 / 2 of the thickness of the second non-thinning portion.

[0007] In combination with the first aspect, in the first splicing sub-area, the first type of first thinning portion includes a first side wall, the first type of second thinning portion includes a second side wall, and along the direction away from the first substrate, the first side wall includes a first inclined plane, a first plane and a second inclined plane connected in sequence, and the second side wall includes a third inclined plane, a second plane and a fourth inclined plane connected in sequence; the first inclined plane is in contact with the third inclined plane, the first plane is in contact with the second plane, and the second inclined plane is in contact with the fourth inclined plane; in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate covers the first side wall; or, the splicing screen also includes a first non-splicing area, at least part of the first display layer is located in the first non-splicing area, the first display layer extends from the first non-splicing area to at least part of the area between the second inclined plane and the fourth inclined plane, the first plane is in contact with the second plane, and the first inclined plane is in contact with the The first side wall and the second side wall are in contact with each other, and the first side wall and the third side wall are in contact with each other; in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate at least covers the first bevel and the first plane; or, the first display layer extends from the first non-splicing area to at least a portion of the area between the first plane and the second plane, and the first bevel and the third bevel are in contact; in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate at least covers the first bevel; or, the first display layer extends from the first non-splicing area to a portion of the area between the first bevel and the third bevel, and in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate covers part of the first bevel; or, the first display layer extends from the first non-splicing area to the entire area between the first bevel and the third bevel, and in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate is staggered with the first side wall.

[0008] In combination with the first aspect, in the first splicing sub-area, the first type of first thinning portion includes a first side wall, the first type of second thinning portion includes a second side wall, the first side wall includes a fifth slope, and the second side wall includes a sixth slope; the fifth slope and the sixth slope are in contact, and in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate covers the fifth slope; or, the splicing screen also includes a first non-splicing area, at least part of the first display layer is located in the first non-splicing area, the first display layer extends from the first non-splicing area to a partial area between the fifth slope and the sixth slope, and in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate covers part of the fifth slope; or, the first display layer extends from the first non-splicing area to the entire area between the fifth slope and the sixth slope, and in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate is staggered with the first side wall.

[0009] In combination with the first aspect, the first substrate includes a first substrate and a second substrate which are stacked, and the first substrate is located on a side of the second substrate close to the first display layer; the first display panel also includes a first circuit module, the first circuit module is located between the first substrate and the second substrate, and the orthographic projection of the first circuit module on the first substrate is staggered with the first splicing sub-area, the first substrate is provided with a first through hole, the first display layer includes a second circuit module, the first circuit module and the second circuit module are electrically connected through the first through hole, and preferably, the second substrate is provided with a second through hole, and the first circuit module is electrically connected to the control chip through the second through hole.

[0010] In combination with the first aspect, the spliced ​​screen further includes an adhesive layer, which is located in the first type of splicing area and the adhesive layer is located on a surface of the first type of second thinning portion close to the first type of first thinning portion; preferably, the adhesive layer includes optical glue.

[0011] In combination with the first aspect, the splicing screen further includes: a third display panel and a fourth display panel, the third display panel is spliced ​​with the first display panel, and the fourth display panel is spliced ​​with the second display panel and the third display panel; preferably, the third display panel includes a third substrate and a third display layer located on one side of the third substrate, and the fourth display panel includes a fourth substrate and a fourth display layer located on one side of the fourth substrate; wherein the third substrate includes a first type of third thinning portion, the fourth substrate includes a first type of fourth thinning portion, the first type of splicing area further includes a second splicing sub-area, a third splicing sub-area and a fourth splicing sub-area, in the second splicing sub-area, the orthographic projection of the first type of first thinning portion on the third substrate at least partially overlaps with the first type of third thinning portion, and the first display layer The orthographic projection on the first substrate is connected to the orthographic projection of the third display layer on the third substrate; in the third splicing sub-area, the orthographic projection of the first type of third thinning portion on the fourth substrate at least partially overlaps with the first type of fourth thinning portion, and the orthographic projection of the third display layer on the third substrate is connected to the orthographic projection of the fourth display layer on the fourth substrate; in the fourth splicing sub-area, the orthographic projection of the first type of second thinning portion on the fourth substrate at least partially overlaps with the first type of fourth thinning portion, and the orthographic projection of the fourth display layer on the fourth substrate is connected to the orthographic projection of the second display layer on the second substrate; preferably, the first substrate also includes a first non-thinning portion located on the side of the first type of first thinning portion away from the second substrate, and the second substrate also includes a first non-thinning portion located on the side of the first type of second thinning portion away from the second substrate a second non-thinning portion on one side of a substrate, the third substrate further includes a third non-thinning portion located on a side of the first type third thinning portion away from the first substrate, the fourth substrate further includes a fourth non-thinning portion located on a side of the first type fourth thinning portion away from the second substrate, in a direction perpendicular to the first substrate, the thickness of the first non-thinning portion, the thickness of the second non-thinning portion, the thickness of the third non-thinning portion, and the thickness of the fourth non-thinning portion are equal; preferably, in the second splicing sub-area, part of the first type first thinning portion is overlapped on a part of the surface of the third display layer away from the third substrate or a part of the surface of the first type third thinning portion close to the third display layer, in a direction perpendicular to the first substrate, the sum of the thickness of the first type third thinning portion and the thickness of the first type first thinning portion is equal to the thickness of the first non-thinning portion; preferably, in the third splicing sub-area, part of the first type of third thinning portion is overlapped on the partial surface of the fourth display layer facing away from the fourth substrate or the partial surface of the first type of fourth thinning portion close to the fourth display layer, in the direction perpendicular to the first substrate, the sum of the thickness of the first type of third thinning portion and the thickness of the first type of fourth thinning portion is equal to the thickness of the first non-thinning portion; preferably, in the fourth splicing sub-area, part of the first type of second thinning portion is overlapped on the partial surface of the fourth display layer facing away from the fourth substrate or the partial surface of the first type of fourth thinning portion close to the fourth display layer, in the direction perpendicular to the first substrate, the sum of the thickness of the first type of fourth thinning portion and the thickness of the first type of second thinning portion is equal to the thickness of the first non-thinning portion.

[0012] In combination with the first aspect, the splicing screen further includes a second type of splicing area, the second type of splicing area is located between the first splicing sub-area and the third splicing sub-area, and between the second splicing sub-area and the fourth splicing sub-area, in which the fourth display panel, the third display panel, the first display panel and the second display panel are stacked; preferably, the first substrate further includes a second type of first thinning portion located in the second type of splicing area, the second substrate further includes a second type of second thinning portion located in the second type of splicing area, the third substrate further includes a second type of third thinning portion located in the second type of splicing area, and the fourth substrate further includes a second type of fourth thinning portion located in the second type of splicing area; the second type of first thinning portion, the second type of second thinning portion, the second type of third thinning portion, the second type of The fourth thinning portions of the second type are stacked in sequence; preferably, in the second type splicing area, the orthographic projection of the first display layer on the first substrate is connected to the orthographic projection of the fourth display layer on the second substrate, or the orthographic projection of the third display layer on the first substrate is connected to the orthographic projection of the second display layer on the second substrate; or the orthographic projection of the third display layer on the third substrate is connected to the orthographic projection of the fourth display layer on the fourth substrate; or the orthographic projection of the first display layer on the first substrate is connected to the orthographic projection of the second display layer on the second substrate; preferably, in a direction perpendicular to the first substrate, the sum of the thickness of the second type first thinning portion, the thickness of the second type second thinning portion, the thickness of the second type third thinning portion and the thickness of the second type fourth thinning portion is equal to the thickness of the first non-thinning portion.

[0013] An embodiment of the present application also provides a display device, comprising any of the spliced ​​screens mentioned above.

[0014] In the splicing screen and display device provided by the present application, the first splicing sub-area is at least partially in contact with the first type of first thinning portion and the first type of second thinning portion, so that the orthographic projection of the first display layer on the first substrate is connected with the orthographic projection of the second display layer on the second substrate. The technical solution of the present application can reduce the splicing spacing, avoid splicing dark lines, and improve the display effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of a spliced ​​screen provided in one embodiment of the present application.

[0016] Figure 2 for Figure 1 The cross-sectional schematic diagram of the spliced ​​screen along the b1-b2 direction is shown.

[0017] Figure 3 for Figure 1 Another schematic cross-sectional view of the spliced ​​screen along the direction b1 - b2 is shown.

[0018] Figure 4 for Figure 1 Another schematic cross-sectional view of the spliced ​​screen along the direction b1 - b2 is shown.

[0019] Figure 5 for Figure 1 A schematic cross-sectional view of the first display panel in the spliced ​​screen along the direction b1 - b2 is shown.

[0020] Figure 6 for Figure 1 Another schematic cross-sectional view of the spliced ​​screen along the direction b1 - b2 is shown.

[0021] Figure 7 for Figure 1 Another schematic cross-sectional view of the spliced ​​screen along the direction b1 - b2 is shown.

[0022] Figure 8 for Figure 1 Another schematic cross-sectional view of the spliced ​​screen along the direction b1 - b2 is shown.

[0023] Fig. 9 for Figure 1 Another schematic cross-sectional view of the spliced ​​screen along the direction b1 - b2 is shown.

[0024] Fig.10 for Figure 1 Another schematic cross-sectional view of the spliced ​​screen along the direction b1 - b2 is shown.

[0025] Fig.11 for Figure 1 Another schematic cross-sectional view of the first display panel in the spliced ​​screen along the direction b1 - b2 is shown.

[0026] Fig.12 This is a schematic structural diagram of a spliced ​​screen provided in yet another embodiment of the present application.

[0027] Fig.13 for Fig.12 The cross-sectional schematic diagram of the spliced ​​screen along the direction d1-d2 is shown.

[0028] Fig.14 A schematic structural diagram of a display device provided in yet another embodiment of the present application.

[0029] Description of reference numerals:

[0030] 500 splicing screen; A first type of splicing area; A1 first splicing sub-area; A2 second splicing sub-area; A3 third splicing sub-area; A4 fourth splicing sub-area; B first non-splicing area; C second type of splicing area; D second non-splicing area; 100 first display panel; 110 first substrate; 111 first type of first thinning portion; 1111 first side wall; 1111a first inclined surface; 1111b first plane; 1111c second inclined surface; 1111d fifth inclined surface; 112 first non-thinning portion; 113 first substrate; 113a first through hole; 114 second substrate; 114a second through hole; 115 second type of first thinning portion; 120 first display layer; 130 first circuit module; 140 second circuit module; 200 second display surface Plate; 210 second substrate; 211 first type second thinning portion; 2111 second side wall; 2111a third inclined plane; 2111b second plane; 2111c fourth inclined plane; 2111d sixth inclined plane; 212 second non-thinning portion; 213 third substrate; 214 fourth substrate; 215 second type second thinning portion; 220 second display layer; 300 third display panel; 310 third substrate; 311 first type third thinning portion; 312 third non-thinning portion; 313 second type third thinning portion; 320 third display layer; 400 fourth display panel; 410 fourth substrate; 411 first type fourth thinning portion; 412 fourth non-thinning portion; 413 second type fourth thinning portion; 420 fourth display layer; 600 display device. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] In the art, a commonly used splicing method is to directly splice two independent display panels. The borders of the two display panels cause a large distance between the splicing areas, resulting in a problem of dark splicing lines.

[0033] Figure 1 This is a schematic diagram of the structure of a spliced ​​screen provided in one embodiment of the present application. Figure 1 As shown, an embodiment of the present application provides a splicing screen 500, including a first type of splicing area A, the first type of splicing area A includes a first splicing sub-area A1, and the splicing screen 500 includes: a first display panel 100, including a first substrate 110 and a first display layer 120 located on one side of the first substrate 110; a second display panel 200, including a second substrate 210 and a second display layer 220 located on one side of the second substrate 210.

[0034] Among them, the first substrate 110 includes a first-type first thinning portion 111, and the second substrate 210 includes a first-type second thinning portion 211; in the first splicing sub-area A1, the orthographic projection of the first-type second thinning portion 211 on the first substrate 110 at least partially overlaps with the first-type first thinning portion 111, and the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210.

[0035] Specifically, the first substrate 110 and the second substrate 210 are flexible substrates and are made of light-transmitting materials. Images displayed by the first display layer 120 can penetrate the second substrate 210 into the human eye, and images displayed by the second display layer 220 can penetrate the first substrate 110 into the human eye.

[0036] In the embodiment of the present application, by providing the first type of first thinning portion 111 and the first type of second thinning portion 211, in the first splicing sub-area A1, the first type of first thinning portion 111 and the first type of second thinning portion 211 are at least partially in contact with each other, so that the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210, thereby reducing the splicing spacing, avoiding splicing dark lines, achieving seamless splicing, and improving the display effect.

[0037] In some embodiments, the first substrate 110 also includes a first non-thinning portion 112 located on the side of the first-type first thinning portion 111 away from the second substrate 210, and the second substrate 210 also includes a second non-thinning portion 212 located on the side of the first-type second thinning portion 211 away from the first substrate 110. In the direction perpendicular to the first substrate 110, the thickness of the first non-thinning portion 112 is equal to the thickness of the second non-thinning portion 212.

[0038] Preferably, in the first splicing sub-area A1, part of the first type second thinning portion 211 is overlapped on a portion of the surface of the first display layer 120 facing away from the first substrate 110 or a portion of the surface of the first type first thinning portion 111 close to the first display layer 120, and in a direction perpendicular to the first substrate 110, the sum of the thickness of the first type first thinning portion 111 and the thickness of the first type second thinning portion 211 is equal to the thickness of the first non-thinning portion 112.

[0039] Preferably, in the direction perpendicular to the first substrate 110, the thickness of the first type of first thinning portion 111 is 1 / 4 to 1 / 2 of the thickness of the first non-thinning portion 112, and the thickness of the first type of second thinning portion 211 is 1 / 4 to 1 / 2 of the thickness of the second non-thinning portion 212. It can be understood that in the direction perpendicular to the first substrate 110, the sum of the thickness of the first type of first thinning portion 111 and the thickness of the first type of second thinning portion 211 is the thickness of the first splicing sub-area A1. Therefore, the thickness of the first non-thinning portion 112, the thickness of the second non-thinning portion 212, and the thickness of the first splicing sub-area A1 are equal, that is, in the direction perpendicular to the first substrate 110, the overall thickness of the splicing screen 500 is consistent, which is convenient for installation and has a wide range of applications; and has a good display effect.

[0040] In some embodiments, the first substrate 110 includes a first substrate 113 and a second substrate 114 which are stacked, and the first substrate 113 is located on a side of the second substrate 114 close to the first display layer 120; the second substrate 210 includes a third substrate 213 and a fourth substrate 214 which are stacked, and the third substrate 213 is located on a side of the fourth substrate 214 close to the second display layer 220; in the first splicing sub-area A1, the first type of first thinning portion 111 includes the second substrate 114, and the first type of second thinning portion 211 includes the fourth substrate 214.

[0041] Preferably, in a direction perpendicular to the first substrate 110 , the thickness of the second substrate 114 is 1 / 4 to 1 / 2 of the thickness of the first non-thinned portion 112 , and the thickness of the fourth substrate 214 is 1 / 4 to 1 / 2 of the thickness of the second non-thinned portion 212 .

[0042] It can be understood that the second substrate 114 and the fourth substrate 214 are stacked, and the sum of the thickness of the second substrate 114 and the fourth substrate 214, the thickness of the first non-thinning portion 112, and the thickness of the second non-thinning portion 212 are equal.

[0043] In some embodiments, in the first splicing sub-area A1, the first type of first thinning portion 111 includes a first side wall 1111, the first type of second thinning portion 211 includes a second side wall 2111, and in a direction away from the first substrate 110, the first side wall 1111 includes a first inclined surface 1111a, a first plane 1111b, and a second inclined surface 1111c connected in sequence, and the second side wall 2111 includes a third inclined surface 2111a, a second plane 2111b, and a fourth inclined surface 2111c connected in sequence. It can be understood that the first side wall 1111 and the second side wall 2111 are both stepped.

[0044] Figure 2 for Figure 1 The cross-sectional view of the spliced ​​screen along the b1-b2 direction is shown in FIG. Figure 2As shown, the first inclined surface 1111a is in contact with the third inclined surface 2111a, the first plane 1111b is in contact with the second plane 2111b, and the second inclined surface 1111c is in contact with the fourth inclined surface 2111c; in the first splicing sub-area A1, the orthographic projection of the second display layer 220 on the first substrate 110 covers the first side wall 1111. The first non-splicing area B and the second non-splicing area D are respectively located on both sides of the first splicing sub-area A1. In this case, the picture displayed in the first splicing sub-area A1 is provided by the second display layer 220, and the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210.

[0045] Figure 3 for Figure 1 Another cross-sectional schematic diagram of the spliced ​​screen along the b1-b2 direction is shown. Figure 3 As shown, the splicing screen 500 also includes a first non-splicing area B and a second non-splicing area D, at least part of the first display layer 120 is located in the first non-splicing area B, the first display layer 120 extends from the first non-splicing area B to at least part of the area between the second inclined surface 1111c and the fourth inclined surface 2111c, at least part of the second display layer 220 is located in the second non-splicing area D, the second display layer 220 extends from the second non-splicing area D to at least part of the area between the second inclined surface 1111c and the fourth inclined surface 2111c, the first plane 1111b is in contact with the second plane 2111b, and the first inclined surface 1111a is in contact with the third inclined surface 2111a; in the first splicing sub-area A1, the orthographic projection of the second display layer 220 on the first substrate 110 at least covers the first inclined surface 1111a and the first plane 1111b.

[0046] In this case, the image displayed in the first splicing sub-area A1 is provided by the first display layer 120 and the second display layer 220, and the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. Specifically, the light emitted by the first display layer 120 passes through the portion of the third substrate 213 stacked on the light-emitting side of the first display layer 120 and enters the human eye.

[0047] Figure 4 for Figure 1 Another schematic cross-sectional view of the spliced ​​screen along the direction b1 - b2 is shown. Figure 5 for Figure 1 The schematic cross-sectional view of the first display panel in the spliced ​​screen along the direction b1-b2 is shown. Figure 4 and Figure 5As shown, the first display layer 120 extends from the first non-splicing area B to at least a portion of the area between the first plane 1111b and the second plane 2111b, the second display layer 220 extends from the second non-splicing area D to at least a portion of the area between the first plane 1111b and the second plane 2111b, and the first inclined surface 1111a is in contact with the third inclined surface 2111a; in the first splicing sub-area A1, the orthographic projection of the second display layer 220 on the first substrate 110 at least covers the first inclined surface 1111a.

[0048] In this case, the image displayed in the first splicing sub-area A1 is provided by the first display layer 120 and the second display layer 220, and the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. Specifically, the light emitted by the first display layer 120 passes through the third substrate 213 stacked on the light-emitting side of the first display layer 120 and enters the human eye.

[0049] Figure 6 for Figure 1 Another cross-sectional schematic diagram of the spliced ​​screen along the b1-b2 direction is shown. Figure 6 As shown, the first display layer 120 extends from the first non-splicing area B to a partial area between the first inclined surface 1111a and the third inclined surface 2111a, and the second display layer 220 extends from the second non-splicing area D to a partial area between the first inclined surface 1111a and the third inclined surface 2111a. In the first splicing sub-area A1, the orthographic projection of the second display layer 220 on the first substrate 110 covers a portion of the first inclined surface 1111a.

[0050] In this case, the image displayed in the first splicing sub-area A1 is provided by the first display layer 120 and the second display layer 220, and the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. Specifically, the light emitted by the first display layer 120 passes through the third substrate 213 and part of the fourth substrate 214 stacked on the light-emitting side of the first display layer 120, and enters the human eye.

[0051] Figure 7 for Figure 1 Another cross-sectional schematic diagram of the spliced ​​screen along the b1-b2 direction is shown. Figure 7 As shown, the first display layer 120 extends from the first non-splicing area B to the entire area between the first inclined surface 1111a and the third inclined surface 2111a. In the first splicing sub-area A1, the orthographic projection of the second display layer 220 on the first substrate 110 is offset from the first side wall 1111.

[0052] In this case, the image displayed in the first splicing sub-area A1 is provided only by the first display layer 120, and the orthographic projection of the first display layer 120 in the first splicing sub-area A1 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. Specifically, the light emitted by the first display layer 120 passes through the third substrate 213 and the fourth substrate 214 stacked on the light-emitting side of the first display layer 120 and enters the human eye.

[0053] It is worth noting that, in the present application, only the example in which the first substrate 110 includes a first substrate 113 and a second substrate 114 stacked together, and the second substrate 210 includes a third substrate 213 and a fourth substrate 214 stacked together is taken, that is, only the example in which the first side wall 1111 includes a first plane 1111b, and the second side wall 2111 includes a second plane 2111b is taken. It can be understood that, in the present application, the first substrate 110 and the second substrate 210 may include multiple substrates, the first side wall 1111 and the second side wall 2111 may include multiple planes, and the specific position to which the first display layer 120 extends can be divided into multiple situations, which will not be repeated here.

[0054] In some embodiments, in the first splicing sub-area A1, the first type of first thinning portion 111 includes a first side wall 1111, the first type of second thinning portion 211 includes a second side wall 2111, the first side wall 1111 includes a fifth inclined surface 1111d, and the second side wall 2111 includes a sixth inclined surface 2111d. It can be understood that the first side wall 1111 and the second side wall 2111 are both rectangular in shape.

[0055] Figure 8 for Figure 1 Another cross-sectional schematic diagram of the spliced ​​screen along the b1-b2 direction is shown. Figure 8 As shown, the fifth inclined surface 1111d and the sixth inclined surface 2111d are in contact, and in the first splicing sub-area A1, the orthographic projection of the second display layer 220 on the first substrate 110 covers the fifth inclined surface 1111d. The first non-splicing area B and the second non-splicing area D are respectively located on both sides of the first splicing sub-area A1.

[0056] In this case, the image displayed in the first splicing sub-area A1 is provided by the second display layer 220 , and the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the first splicing sub-area A1 .

[0057] Fig. 9 for Figure 1 Another cross-sectional schematic diagram of the spliced ​​screen along the b1-b2 direction is shown. Fig. 9As shown, the splicing screen 500 also includes a first non-splicing area B and a second non-splicing area D, at least a portion of the first display layer 120 is located in the first non-splicing area B, the first display layer 120 extends from the first non-splicing area B to a partial area between the fifth inclined surface 1111d and the sixth inclined surface 2111d, at least a portion of the second display layer 220 is located in the second non-splicing area D, the second display layer 220 extends from the second non-splicing area D to a partial area between the fifth inclined surface 1111d and the sixth inclined surface 2111d, and in the first splicing sub-area A1, the orthographic projection of the second display layer 220 on the first substrate 110 covers a portion of the fifth inclined surface 1111d.

[0058] In this case, the image displayed in the first splicing sub-area A1 is provided by the first display layer 120 and the second display layer 220, and the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. Specifically, the light emitted by the first display layer 120 passes through the first type of second thinned portion 211 stacked on the light-emitting side of the first display layer 120 and enters the human eye.

[0059] Fig.10 for Figure 1 Another cross-sectional schematic diagram of the spliced ​​screen along the b1-b2 direction is shown. Fig.10 As shown, the first display layer 120 extends from the first non-splicing area B to the entire area between the fifth inclined surface 1111d and the sixth inclined surface 2111d. In the first splicing sub-area A1, the orthographic projection of the second display layer 220 on the first substrate 110 is offset from the first side wall 1111.

[0060] In this case, the image displayed in the first splicing sub-area A1 is provided only by the first display layer 120, and the orthographic projection of the first display layer 120 in the first splicing sub-area A1 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. Specifically, the light emitted by the first display layer 120 passes through the first type of second thinned portion 211 stacked on the light-emitting side of the first display layer 120 and enters the human eye.

[0061] It is worth noting that in the above-mentioned achievable embodiments, the cross-sectional schematic diagram of the first display panel 100 or the second display panel 200 in the spliced ​​screen 500 along the b1-b2 direction can be based on Figure 5 Make adaptive adjustments, which will not be elaborated here.

[0062] In this embodiment, taking the first display panel 100 and the second display panel 200 as an example, the manufacturing process includes: preparing the second substrate 114 and the fourth substrate 214 respectively, preparing the first substrate 113 and the third substrate 213 respectively, etching the first substrate 113 and the fourth substrate 214 corresponding to the first type of splicing area, preparing the first display layer 120 on the surface of the first substrate 113 away from the second substrate 114, and preparing the second display layer 220 on the surface of the third substrate 213 away from the fourth substrate 214. Among them, the first display layer 120 and the second display layer 220 both include display devices and packaging film layers. When splicing, the third substrate 213 of the second substrate 210 is superimposed on the second substrate 114, so that the orthographic projection of the first display layer 120 on the first substrate 110 is connected with the orthographic projection of the second display layer 220 on the second substrate 210, thereby achieving seamless splicing.

[0063] Fig.11 for Figure 1 Another cross-sectional schematic diagram of the first display panel in the spliced ​​screen along the b1-b2 direction is shown. Fig.11 As shown, in some embodiments, the first substrate 110 includes a first substrate 113 and a second substrate 114 which are stacked, and the first substrate 113 is located on a side of the second substrate 114 close to the first display layer 120 .

[0064] The first display panel 100 also includes a first circuit module 130, which is located between the first substrate 113 and the second substrate 114, and the orthographic projection of the first circuit module 130 on the first substrate 110 is offset from the first splicing sub-area A1, the first substrate 113 is provided with a first through hole 113a, the first display layer 120 includes a second circuit module 140, and the first circuit module 130 and the second circuit module 140 are electrically connected through the first through hole 113a.

[0065] Preferably, the second substrate 114 is provided with a second through hole 114 a , and the first circuit module 130 is electrically connected to the control chip through the second through hole 114 a .

[0066] The first circuit module 130 includes a gate circuit (Gate In Panel, GIP), a voltage supply circuit (Voltage Drain Drain, Vdd), a common mode voltage circuit (Common Mode Voltage Circuit, Vcom), a binding area circuit, and other circuits, and also includes scan lines, data lines, etc. The second circuit module 140 includes a pixel driving circuit, etc.

[0067] In this embodiment, the wiring of the spliced ​​screen 500 is extended to the backlight side of the spliced ​​screen 500 through the first through hole 113a and the second through hole 114a, which facilitates the realization of a narrow frame design. At the same time, for the multi-screen splicing area, the wiring is prevented from occupying the splicing area space, thereby improving the feasibility of splicing.

[0068] In some embodiments, the spliced ​​screen 500 further includes an adhesive layer (not shown), which is located in the first type splicing area A and on the surface of the first type second thinning portion 211 close to the first type first thinning portion 111. Preferably, the adhesive layer includes optical glue.

[0069] Specifically, in Figure 2 In the illustrated embodiment, the adhesive layer is located between the first inclined surface 1111a and the third inclined surface 2111a, and / or between the first plane 1111b and the second plane 2111b, and / or between the second inclined surface 1111c and the fourth inclined surface 2111c. Figure 3 In the illustrated embodiment, the adhesive layer is located between the fourth inclined surface 2111c and the first display layer 120, and / or between the fourth inclined surface 2111c and the second inclined surface 1111c, and / or between the first plane 1111b and the second plane 2111b, and / or between the first inclined surface 1111a and the third inclined surface 2111a. Figure 4 In the illustrated embodiment, the adhesive layer is located between the fourth inclined surface 2111c and the first display layer 120, and / or between the second plane 2111b and the first display layer 120, and / or between the first plane 1111b and the second plane 2111b, and / or between the first inclined surface 1111a and the third inclined surface 2111a. Figure 6 In the illustrated embodiment, the adhesive layer is located between the fourth inclined surface 2111c and the first display layer 120, and / or between the second plane 2111b and the first display layer 120, and / or between the third inclined surface 2111a and the first display layer 120, and / or between the third inclined surface 2111a and the first inclined surface 1111a. Figure 7 In the illustrated embodiment, the adhesive layer is located between the fourth inclined surface 2111c and the first display layer 120, and / or between the first display layer 120 and the second plane 2111b, and / or between the first display layer 120 and the third inclined surface 2111a. Figure 8 In the illustrated embodiment, the adhesive layer is located between the fifth inclined surface 1111d and the sixth inclined surface 2111d. Fig. 9 In the illustrated embodiment, the adhesive layer is located between the first display layer 120 and the sixth inclined surface 2111d, and / or between the fifth inclined surface 1111d and the sixth inclined surface 2111d. Fig.10 In the illustrated embodiment, the adhesive layer is located between the first display layer 120 and the sixth inclined surface 2111d.

[0070] Fig.12 This is a schematic diagram of the structure of a spliced ​​screen provided by another embodiment of the present application. Fig.12 As shown, in some embodiments, the spliced ​​screen 500 further includes: a third display panel 300 and a fourth display panel 400 , the third display panel 300 is spliced ​​with the first display panel 100 , and the fourth display panel 400 is spliced ​​with the second display panel 200 and the third display panel 300 .

[0071] Preferably, the third display panel 300 includes a third substrate 310 and a third display layer 320 located on one side of the third substrate 310 , and the fourth display panel 400 includes a fourth substrate 410 and a fourth display layer 420 located on one side of the fourth substrate 410 .

[0072] The third substrate 310 includes a first-type third thinning portion 311, and the fourth substrate 410 includes a first-type fourth thinning portion 411. In a direction perpendicular to the first substrate 110, the thickness of the first-type third thinning portion 311 is 1 / 4 to 1 / 2 of the thickness of the third non-thinning portion 312, and the thickness of the first-type fourth thinning portion 411 is 1 / 4 to 1 / 2 of the thickness of the fourth non-thinning portion 412. The first-type splicing area A also includes a second splicing sub-area A2, a third splicing sub-area A3, and a fourth splicing sub-area A4. In the second splicing sub-area A2, the orthographic projection of the first-type first thinning portion 111 on the third substrate 310 at least partially overlaps with the orthographic projection of the first-type third thinning portion 311, and the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the third display layer 320 on the third substrate 310; in the third splicing sub-area A3, the orthographic projection of the first-type third thinning portion 311 on the fourth substrate 410 is at least partially overlapped with the orthographic projection of the first display layer 120 on the first substrate 110. The orthographic projection at least partially overlaps with the first type fourth thinning portion 411, and the orthographic projection of the third display layer 320 on the third substrate 310 is connected to the orthographic projection of the fourth display layer 420 on the fourth substrate 410; in the fourth splicing sub-area A4, the orthographic projection of the first type second thinning portion 211 on the fourth substrate 410 at least partially overlaps with the first type fourth thinning portion 411, and the orthographic projection of the fourth display layer 420 on the fourth substrate 410 is connected to the orthographic projection of the second display layer 220 on the second substrate 210.

[0073] Specifically, the structures and effects of the second splicing sub-area A2, the third splicing sub-area A3 and the fourth splicing sub-area A4 are similar to those of the first splicing sub-area A1, and are not described in detail here.

[0074] Preferably, the first substrate 110 also includes a first non-thinning portion 112 located on the side of the first-type first thinning portion 111 away from the second substrate 210, the second substrate 210 also includes a second non-thinning portion 212 located on the side of the first-type second thinning portion 211 away from the first substrate 110, the third substrate 310 also includes a third non-thinning portion 312 located on the side of the first-type third thinning portion 311 away from the first substrate 110, and the fourth substrate 410 also includes a fourth non-thinning portion 412 located on the side of the first-type fourth thinning portion 411 away from the second substrate 210. In the direction perpendicular to the first substrate 110, the thickness of the first non-thinning portion 112, the thickness of the second non-thinning portion 212, the thickness of the third non-thinning portion 312, and the thickness of the fourth non-thinning portion 412 are equal.

[0075] Preferably, in the second splicing sub-area A2, part of the first type of first thinning portion 111 is overlapped on the partial surface of the third display layer 320 away from the third substrate 310 or the partial surface of the first type of third thinning portion 311 close to the third display layer 320, and in the direction perpendicular to the first substrate 110, the sum of the thickness of the first type of third thinning portion 311 and the thickness of the first type of first thinning portion 111 is equal to the thickness of the first non-thinning portion 112. It can be understood that in the direction perpendicular to the first substrate 110, the sum of the thickness of the first type of third thinning portion 311 and the thickness of the first type of first thinning portion 111 is equal to the thickness of the second splicing sub-area A2, that is, in the direction perpendicular to the first substrate 110, the thickness of the second splicing sub-area A2 is equal to the thickness of the first non-thinning portion 112.

[0076] Preferably, in the third splicing sub-area A3, part of the first type of third thinning portion 311 is overlapped on the partial surface of the fourth display layer 420 away from the fourth substrate 410 or the partial surface of the first type of fourth thinning portion 411 close to the fourth display layer 420, and in the direction perpendicular to the first substrate 110, the sum of the thickness of the first type of third thinning portion 311 and the thickness of the first type of fourth thinning portion 411 is equal to the thickness of the first non-thinning portion 112. It can be understood that in the direction perpendicular to the first substrate 110, the sum of the thickness of the first type of third thinning portion 311 and the thickness of the first type of fourth thinning portion 411 is equal to the thickness of the third splicing sub-area A3, that is, in the direction perpendicular to the first substrate 110, the thickness of the third splicing sub-area A3 is equal to the thickness of the first non-thinning portion 112.

[0077] Preferably, in the fourth splicing sub-area A4, part of the first type second thinning portion 211 is overlapped on the partial surface of the fourth display layer 420 away from the fourth substrate 410 or the partial surface of the first type fourth thinning portion 411 close to the fourth display layer 420, and in the direction perpendicular to the first substrate 110, the sum of the thickness of the first type fourth thinning portion 411 and the thickness of the first type second thinning portion 211 is equal to the thickness of the first non-thinning portion 112. It can be understood that in the direction perpendicular to the first substrate 110, the sum of the thickness of the first type fourth thinning portion 411 and the thickness of the first type second thinning portion 211 is equal to the thickness of the fourth splicing sub-area A4, that is, in the direction perpendicular to the first substrate 110, the thickness of the fourth splicing sub-area A4 is equal to the thickness of the first non-thinning portion 112.

[0078] In summary, the thickness of the first non-thinning portion 112, the thickness of the second non-thinning portion 212, the thickness of the third non-thinning portion 312, the thickness of the fourth non-thinning portion 412, the thickness of the first splicing sub-area A1, the thickness of the second splicing sub-area A2, the thickness of the third splicing sub-area A3 and the thickness of the fourth splicing sub-area A4 are all equal, that is, in the direction perpendicular to the first substrate 110, the overall thickness of the splicing screen 500 is consistent, which is easy to install, has a wide range of applications, and has a good display effect.

[0079] Fig.13 for Fig.12 The cross-sectional schematic diagram of the spliced ​​screen along the direction d1-d2 is shown in FIG. Fig.13 As shown, in some embodiments, the splicing screen 500 also includes a second type of splicing area C, which is located between the first splicing sub-area A1 and the third splicing sub-area A3, and between the second splicing sub-area A2 and the fourth splicing sub-area A4. In the second type of splicing area C, the fourth display panel 400, the third display panel 300, the first display panel 100 and the second display panel 200 are stacked.

[0080] Preferably, the first substrate 110 also includes a second-type first thinning portion 115 located in the second-type splicing area C, the second substrate 210 also includes a second-type second thinning portion 215 located in the second-type splicing area C, the third substrate 310 also includes a second-type third thinning portion 313 located in the second-type splicing area C, and the fourth substrate 410 also includes a second-type fourth thinning portion 413 located in the second-type splicing area C; the second-type first thinning portion 115, the second-type second thinning portion 215, the second-type third thinning portion 313, and the second-type fourth thinning portion 413 are stacked in sequence.

[0081] In the embodiment of the present application, in the second type of splicing area C, the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the fourth display layer 420 on the second substrate 210, or the orthographic projection of the third display layer 320 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210; or the orthographic projection of the third display layer 320 on the third substrate 310 is connected to the orthographic projection of the fourth display layer 420 on the fourth substrate 410; or the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. The technical solution of the present application can effectively reduce the splicing spacing and realize seamless splicing.

[0082] Specifically, the structures of the second type first thinning portion 115, the second type second thinning portion 215, the second type third thinning portion 313, and the second type fourth thinning portion 413 are similar to those of the first type first thinning portion 111 and the first type second thinning portion 211, and are not described in detail here. The positional relationship between the first display layer 120, the second display layer 220, the third display layer 320, the fourth display layer 420 and the second type first thinning portion 115, the second type second thinning portion 215, the second type third thinning portion 313, and the second type fourth thinning portion 413 is similar to the positional relationship between the first display layer 120, the second display layer 220 and the first type first thinning portion 111 and the first type second thinning portion 211, and are not described in detail here. Similarly, the second type splicing area C may include an adhesive layer. When the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the fourth display layer 420 on the second substrate 210, the adhesive layer is disposed on the surface of the second type second thinning portion 215 close to the second type first thinning portion 115, and / or the surface of the second type second thinning portion 215 close to the second type third thinning portion 313, and / or the surface of the second type fourth thinning portion 413 close to the second type third thinning portion 313. When the orthographic projection of the third display layer 320 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210, the adhesive layer is disposed on the surface of the second type first thinning portion 115 close to the second type second thinning portion 215, and / or the surface of the second type third thinning portion 313 close to the second type second thinning portion 215, and / or the surface of the second type fourth thinning portion 413 close to the second type third thinning portion 313. When the orthographic projection of the third display layer 320 on the third substrate 310 is connected to the orthographic projection of the fourth display layer 420 on the fourth substrate 410, the adhesive layer is disposed on the surface of the second type second thinning portion 215 close to the second type first thinning portion 115, and / or the surface of the second type second thinning portion 215 close to the second type third thinning portion 313, and / or the surface of the second type fourth thinning portion 413 close to the second type third thinning portion 313. When the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210, the adhesive layer is disposed on the surface of the second type third thinning portion 313 close to the second type second thinning portion 215, and / or the surface of the second type second thinning portion 215 close to the second type first thinning portion 115, and / or the surface of the second type fourth thinning portion 413 close to the second type third thinning portion 313.

[0083] Among them, in the direction perpendicular to the first substrate 110, the thickness of the second type first thinning portion 115 is 1 / 8 to 1 / 4 of the thickness of the first non-thinning portion 112, the thickness of the second type second thinning portion 215 is 1 / 8 to 1 / 4 of the thickness of the second non-thinning portion 212, the thickness of the second type third thinning portion 313 is 1 / 8 to 1 / 4 of the thickness of the third non-thinning portion 312, and the thickness of the second type fourth thinning portion 413 is 1 / 8 to 1 / 4 of the thickness of the fourth non-thinning portion 412. In the direction perpendicular to the first substrate 110, the sum of the thickness of the second type first thinning portion 115, the thickness of the second type second thinning portion 215, the thickness of the second type third thinning portion 313, and the thickness of the second type fourth thinning portion 413 is equal to the thickness of the first non-thinning portion 112.

[0084] It can be understood that the sum of the thickness of the second type first thinning portion 115, the thickness of the second type second thinning portion 215, the thickness of the second type third thinning portion 313, and the thickness of the second type fourth thinning portion 413 is equal to the thickness of the second type splicing area C, that is, in the direction perpendicular to the first substrate 110, the overall thickness of the splicing screen 500 is consistent, which is easy to install, has a wide range of applications, and has a good display effect.

[0085] In this embodiment, by providing a first-type first thinning portion 111, a first-type second thinning portion 211, a first-type third thinning portion 311, and a first-type fourth thinning portion 411, the orthographic projection of the first display layer 120 on the first substrate 110 in the first splicing sub-area A1 is connected to the orthographic projection of the second display layer 220 on the second substrate 210; the orthographic projection of the first display layer 120 on the first substrate 110 in the second splicing sub-area A2 is connected to the orthographic projection of the third display layer 320 on the third substrate 310; in the third splicing sub-area A3, the orthographic projection of the third display layer 320 on the third substrate 310 is connected to the orthographic projection of the fourth display layer 420 on the fourth substrate 410; and in the fourth splicing sub-area A4, the orthographic projection of the fourth display layer 420 on the fourth substrate 410 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. By setting the second type of first thinning portion 115, the second type of second thinning portion 215, the second type of third thinning portion 313 and the second type of fourth thinning portion 413, the first display layer 120 in the second type of splicing area C is connected to the orthographic projection of the first substrate 110 and the orthographic projection of the fourth display layer 420 on the second substrate 210, or the orthographic projection of the third display layer 320 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210; or the orthographic projection of the third display layer 320 on the third substrate 310 is connected to the orthographic projection of the fourth display layer 420 on the fourth substrate 410; or the orthographic projection of the first display layer 120 on the first substrate 110 is connected to the orthographic projection of the second display layer 220 on the second substrate 210. The technical solution of the present application can effectively reduce the splicing spacing and realize seamless splicing. In addition, the full screen thickness of the present application is consistent, easy to install, has a wide range of applications, and has a good display effect.

[0086] Another embodiment of the present application further provides a display device 600 , comprising the spliced ​​screen 500 in the above embodiment.

[0087] Fig.14 This is a schematic diagram of the structure of a display device provided by another embodiment of the present application. Fig.14 As shown, the display device 600 is a product with an image display function. For example, the display device 600 can be used to display static images, such as pictures or photos. The display device 600 can also be used to display dynamic images, such as videos.

[0088] The display device 600 can be a laptop computer, a mobile phone, a handheld or portable computer, a camera, a camcorder, a vehicle-mounted smart central control screen, a calculator, a smart watch, a GPS navigator, an electronic photo, an electronic billboard or sign, a projector, etc.

[0089] The display device 600 includes the spliced ​​screen 500 in the above embodiment. The spliced ​​screen 500 may be an organic light emitting diode display panel or a quantum dot electroluminescent display panel.

[0090] In addition, the display device may also have functions such as taking pictures, recording videos, fingerprint recognition, and face recognition. Accordingly, the display device also includes at least one functional module for realizing the above functions, such as an under-screen camera, an under-screen fingerprint recognition sensor, etc. In addition, in the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", "stacked", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral whole; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0091] The basic principles of the present application are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present application are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present application. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, not for limitation, and the above details do not limit the present application to being implemented by adopting the above specific details.

[0092] The block diagrams of the devices, apparatuses, equipment, and systems involved in this application are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagram. As will be appreciated by those skilled in the art, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including", "comprising", "having", etc. are open words, referring to "including but not limited to", and can be used interchangeably with them. The words "or" and "and" used here refer to the words "and / or" and can be used interchangeably with them, unless the context clearly indicates otherwise. The words "such as" used here refer to the phrase "such as but not limited to", and can be used interchangeably with them.

[0093] It should also be noted that in the apparatus, device and method of the present application, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present application.

[0094] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0095] The above description has been given for the purpose of illustration and description. In addition, this description is not intended to limit the embodiments of the present application to the forms disclosed herein. Although multiple example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

[0096] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A splicing screen, characterized in that: It includes a first type of splicing area, the first type of splicing area includes a first splicing sub-area, and the splicing screen includes: A first display panel, comprising a first substrate and a first display layer located on one side of the first substrate; A second display panel, comprising a second substrate and a second display layer located on one side of the second substrate; Among them, the first substrate includes a first type of first thinning portion, and the second substrate includes a first type of second thinning portion; in the first splicing sub-area, the orthographic projection of the first type of second thinning portion on the first substrate at least partially overlaps with the first type of first thinning portion, and the orthographic projection of the first display layer on the first substrate is connected to the orthographic projection of the second display layer on the second substrate.

2. The splicing screen according to claim 1, characterized in that: The first substrate further includes a first non-thinning portion located on a side of the first type of first thinning portion away from the second substrate, and the second substrate further includes a second non-thinning portion located on a side of the first type of second thinning portion away from the first substrate, and in a direction perpendicular to the first substrate, a thickness of the first non-thinning portion is equal to a thickness of the second non-thinning portion; Preferably, in the first splicing sub-area, part of the first-type second thinning portion is overlapped on a part of the surface of the first display layer away from the first substrate or a part of the surface of the first-type first thinning portion close to the first display layer, and in a direction perpendicular to the first substrate, the sum of the thickness of the first-type first thinning portion and the thickness of the first-type second thinning portion is equal to the thickness of the first non-thinning portion; Preferably, in a direction perpendicular to the first substrate, the thickness of the first type first thinning portion is 1 / 4 to 1 / 2 of the thickness of the first non-thinning portion, and the thickness of the first type second thinning portion is 1 / 4 to 1 / 2 of the thickness of the second non-thinning portion.

3. The splicing screen according to claim 2, characterized in that: The first substrate includes a first substrate and a second substrate stacked together, the first substrate is located on a side of the second substrate close to the first display layer; the second substrate includes a third substrate and a fourth substrate stacked together, the third substrate is located on a side of the fourth substrate close to the second display layer; in the first splicing sub-area, the first type of first thinned portion includes the second substrate, and the first type of second thinned portion includes the fourth substrate; Preferably, in a direction perpendicular to the first substrate, the thickness of the second substrate is 1 / 4 to 1 / 2 of the thickness of the first non-thinned portion, and the thickness of the fourth substrate is 1 / 4 to 1 / 2 of the thickness of the second non-thinned portion.

4. The splicing screen according to claim 1, characterized in that: In the first splicing sub-area, the first type of first thinned portion includes a first side wall, the first type of second thinned portion includes a second side wall, and along a direction away from the first substrate, the first side wall includes a first inclined surface, a first plane, and a second inclined surface connected in sequence, and the second side wall includes a third inclined surface, a second plane, and a fourth inclined surface connected in sequence; The first inclined surface is in contact with the third inclined surface, the first plane is in contact with the second plane, and the second inclined surface is in contact with the fourth inclined surface; in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate covers the first side wall; Alternatively, the spliced ​​screen further includes a first non-splicing area, at least part of the first display layer is located in the first non-splicing area, the first display layer extends from the first non-splicing area to at least part of the area between the second inclined surface and the fourth inclined surface, the first plane is in contact with the second plane, and the first inclined surface is in contact with the third inclined surface; in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate at least covers the first inclined surface and the first plane; Alternatively, the first display layer extends from the first non-joined area to at least a portion of the area between the first plane and the second plane, and the first inclined surface is in contact with the third inclined surface; in the first jointed sub-area, the orthographic projection of the second display layer on the first substrate at least covers the first inclined surface; Alternatively, the first display layer extends from the first non-joined area to a partial area between the first inclined surface and the third inclined surface, and in the first jointed sub-area, the orthographic projection of the second display layer on the first substrate covers a portion of the first inclined surface; Alternatively, the first display layer extends from the first non-splicing area to the entire area between the first inclined plane and the third inclined plane, and in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate is offset from the first side wall.

5. The splicing screen according to claim 1, characterized in that: In the first splicing sub-area, the first type of first thinned portion includes a first side wall, the first type of second thinned portion includes a second side wall, the first side wall includes a fifth inclined surface, and the second side wall includes a sixth inclined surface; the fifth inclined surface is in contact with the sixth inclined surface, and in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate covers the fifth inclined surface; Alternatively, the spliced ​​screen further includes a first non-splicing area, at least a portion of the first display layer is located in the first non-splicing area, the first display layer extends from the first non-splicing area to a portion of the area between the fifth inclined surface and the sixth inclined surface, and in the first splicing sub-area, an orthographic projection of the second display layer on the first substrate covers a portion of the fifth inclined surface; Alternatively, the first display layer extends from the first non-splicing area to the entire area between the fifth inclined surface and the sixth inclined surface, and in the first splicing sub-area, the orthographic projection of the second display layer on the first substrate is offset from the first side wall.

6. The splicing screen according to claim 1, characterized in that: The first substrate includes a first substrate and a second substrate which are stacked, and the first substrate is located on a side of the second substrate close to the first display layer; The first display panel further includes a first circuit module, the first circuit module is located between the first substrate and the second substrate, and the orthographic projection of the first circuit module on the first substrate is staggered with the first splicing sub-area, the first substrate is provided with a first through hole, the first display layer includes a second circuit module, and the first circuit module and the second circuit module are electrically connected through the first through hole. Preferably, the second substrate is provided with a second through hole, and the first circuit module is electrically connected to the control chip through the second through hole.

7. The splicing screen according to claim 1, characterized in that: It also includes an adhesive layer, the adhesive layer is located in the first type of splicing area, and the adhesive layer is located on the surface of the first type of second thinning portion close to the first type of first thinning portion; Preferably, the adhesive layer comprises optical glue.

8. The splicing screen according to claim 1, characterized in that: Also includes: a third display panel and a fourth display panel, wherein the third display panel is spliced ​​with the first display panel, and the fourth display panel is spliced ​​with the second display panel and the third display panel; Preferably, the third display panel includes a third substrate and a third display layer located on one side of the third substrate, and the fourth display panel includes a fourth substrate and a fourth display layer located on one side of the fourth substrate; Wherein, the third substrate includes a first type of third thinning portion, the fourth substrate includes a first type of fourth thinning portion, the first type of splicing area also includes a second splicing sub-area, a third splicing sub-area and a fourth splicing sub-area, in the second splicing sub-area, the orthographic projection of the first type of first thinning portion on the third substrate at least partially overlaps with the first type of third thinning portion, and the orthographic projection of the first display layer on the first substrate is connected to the orthographic projection of the third display layer on the third substrate; in the third splicing sub-area, the orthographic projection of the first type of third thinning portion on the fourth substrate at least partially overlaps with the first type of fourth thinning portion, and the orthographic projection of the third display layer on the third substrate is connected to the orthographic projection of the fourth display layer on the fourth substrate; in the fourth splicing sub-area, the orthographic projection of the first type of second thinning portion on the fourth substrate at least partially overlaps with the first type of fourth thinning portion, and the orthographic projection of the fourth display layer on the fourth substrate is connected to the orthographic projection of the second display layer on the second substrate; Preferably, the first substrate further comprises a first non-thinning portion located on a side of the first type first thinning portion away from the second substrate, the second substrate further comprises a second non-thinning portion located on a side of the first type second thinning portion away from the first substrate, the third substrate further comprises a third non-thinning portion located on a side of the first type third thinning portion away from the first substrate, the fourth substrate further comprises a fourth non-thinning portion located on a side of the first type fourth thinning portion away from the second substrate, and in a direction perpendicular to the first substrate, the thickness of the first non-thinning portion, the thickness of the second non-thinning portion, the thickness of the third non-thinning portion, and the thickness of the fourth non-thinning portion are equal; Preferably, in the second splicing sub-area, part of the first-type first thinned portion is overlapped on a part of the surface of the third display layer away from the third substrate or a part of the surface of the first-type third thinned portion close to the third display layer, and in a direction perpendicular to the first substrate, the sum of the thickness of the first-type third thinned portion and the thickness of the first-type first thinned portion is equal to the thickness of the first non-thinned portion; Preferably, in the third splicing sub-area, part of the first-type third thinned portion is overlapped on a part of the surface of the fourth display layer away from the fourth substrate or a part of the surface of the first-type fourth thinned portion close to the fourth display layer, and in a direction perpendicular to the first substrate, the sum of the thickness of the first-type third thinned portion and the thickness of the first-type fourth thinned portion is equal to the thickness of the first non-thinned portion; Preferably, in the fourth splicing sub-area, part of the first type second thinning portion is overlapped on a portion of the surface of the fourth display layer facing away from the fourth substrate or a portion of the surface of the first type fourth thinning portion close to the fourth display layer, and in a direction perpendicular to the first substrate, the sum of the thickness of the first type fourth thinning portion and the thickness of the first type second thinning portion is equal to the thickness of the first non-thinning portion.

9. The splicing screen according to claim 8, characterized in that: The splicing screen further includes a second type of splicing area, the second type of splicing area is located between the first splicing sub-area and the third splicing sub-area, and between the second splicing sub-area and the fourth splicing sub-area, and in the second type of splicing area, the fourth display panel, the third display panel, the first display panel and the second display panel are stacked; Preferably, the first substrate further comprises a second type of first thinning portion located in the second type of splicing area, the second substrate further comprises a second type of second thinning portion located in the second type of splicing area, the third substrate further comprises a second type of third thinning portion located in the second type of splicing area, and the fourth substrate further comprises a second type of fourth thinning portion located in the second type of splicing area; the second type of first thinning portion, the second type of second thinning portion, the second type of third thinning portion, and the second type of fourth thinning portion are sequentially stacked; Preferably, in the second type of splicing area, the orthographic projection of the first display layer on the first substrate is connected to the orthographic projection of the fourth display layer on the second substrate, or the orthographic projection of the third display layer on the first substrate is connected to the orthographic projection of the second display layer on the second substrate; or the orthographic projection of the third display layer on the third substrate is connected to the orthographic projection of the fourth display layer on the fourth substrate; or the orthographic projection of the first display layer on the first substrate is connected to the orthographic projection of the second display layer on the second substrate; Preferably, in a direction perpendicular to the first substrate, the sum of the thickness of the second type first thinning portion, the thickness of the second type second thinning portion, the thickness of the second type third thinning portion, and the thickness of the second type fourth thinning portion is equal to the thickness of the first non-thinning portion.

10. A display device, characterized in that: The spliced ​​screen comprises the spliced ​​screen described in any one of claims 1 to 9.

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