Display device

Abstract

The invention discloses a display device which is characterized in that a plurality of bulges are formed on the surface of one side, far away from a display panel, of a glass cover plate, and the bulges are uniformly arranged; due to the fact that the protrusions are evenly arranged, when external light acts on the surface of the glass cover plate, the protrusions can reflect the external light in order, on one hand, the dazzle light problem of the display device can be solved, and the display effect is improved. And on the other hand, the problem of flash points of the display device caused by disordered diffraction and disordered interference due to a random texture structure in a traditional scheme can be avoided, so that the display effect of the display device is improved.

Description

Technical Field

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

[0002] The foldable display device includes a display panel and a cover plate disposed on the light-emitting side of the display panel. The cover plate of the conventional foldable display device is made of organic material. In order to improve the glare problem of the foldable display device, a texture structure for reflecting light is provided on the surface of the cover plate. However, the conventional display device has a flash point problem. Summary of the invention

[0003] The embodiments of the present application provide a display device to improve the flash point problem of the display device.

[0004] In a first aspect, an embodiment of the present application provides a display device, the display device comprising two planar display portions and a bent display portion located between the two planar display portions, the display device further comprising:

[0005] Display panel;

[0006] A glass cover plate, the glass cover plate being arranged on the light emitting side of the display panel, a surface of the glass cover plate on a side close to the display panel being provided with a groove, a surface of the glass cover plate on a side away from the display panel being formed with a plurality of protrusions, the plurality of protrusions being evenly arranged, and a surface of the cover plate on a side away from the display panel being a light emitting surface of the display device;

[0007] Wherein, in the top view of the display device, the groove at least overlaps with the bent display portion.

[0008] Furthermore, the diameter of the circumscribed circle of the protrusion is 5um-50um, the height of the protrusion is 0.1um-1um, and a first spacing is set between two adjacent protrusions, and the width of the first spacing is 1um-20um.

[0009] Furthermore, a second spacing is provided between the edge of the protrusion and the edge of the glass cover plate, and a width of the second spacing is 0.5 mm-5 mm.

[0010] Furthermore, in a top view of the display device, the groove overlaps with the bent display portion, and an opening area of ​​the groove on a side close to the display panel is larger than an opening area of ​​the groove on a side away from the display panel.

[0011] Furthermore, in a top view of the display device, the groove overlaps with at least a portion of the bent display portion and the planar display portion, and an opening area of ​​the groove on a side close to the display panel is larger than an opening area of ​​the groove on a side away from the display panel.

[0012] Furthermore, the area of ​​the groove decreases gradually from the side close to the display panel to the side far away from the display panel.

[0013] Furthermore, the display device further includes an organic layer, which is disposed on a surface of the glass cover plate close to the display panel, and a portion of the organic layer fills the groove.

[0014] Further, the glass cover plate includes a first portion and a second portion, the thickness of the second portion is smaller than the thickness of the first portion, wherein the groove is formed at least on the second portion;

[0015] In a top view of the display device, the first portion is located in the planar display portion, and the second portion is located in the bent display portion.

[0016] Furthermore, the thickness of the first part is 200um-500um, and the thickness of the second part is 70um-150um.

[0017] Furthermore, the display device further comprises a scattering layer, and the scattering layer is arranged between the display panel and the glass cover plate.

[0018] Beneficial effects of this application:

[0019] The present application provides a display device, wherein a plurality of protrusions 210 are formed on the surface of the glass cover plate 200 on a side away from the display panel 100, and the plurality of protrusions 210 are arranged evenly; since the plurality of protrusions 210 are evenly arranged, when external light acts on the surface of the glass cover plate 200, the plurality of protrusions 210 can orderly reflect the external light, which can improve the glare problem of the display device 10 on the one hand, and avoid the flash point problem of the display device 10 caused by disordered diffraction and interference of light emitted by the display panel 100 due to the random texture structure on the other hand, thereby improving the display effect of the display device 10, and at the same time, since the surface of the cover plate on the side away from the display panel The surface is the light emitting surface of the display device, that is, a plurality of protrusions 210 are directly formed on the surface of the glass cover plate 200 away from the display panel 100, rather than forming the protrusions 210 on the organic layer, which can avoid the problem of reduced friction performance of the glass cover plate 200, thereby improving the service life of the display device 10, and because the groove 220 is provided on the surface of the glass cover plate 200 on the side close to the display panel 100; the groove 220 at least overlaps with the bent display portion BB, which reduces the thickness of the glass cover plate 200 corresponding to the bent display portion BB, thereby reducing the difficulty of folding the bent display portion BB of the glass cover plate 200, so that the glass cover plate 200 can be bent with a smaller radius. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of a cover plate of a display device of a conventional solution;

[0021] Figure 2 It is a light path diagram of a display device of a conventional solution;

[0022] Figure 3 is a schematic diagram of a display device of the present application;

[0023] Figure 4 yes Figure 3 A schematic diagram of a first structure of the display device at position AA′ shown;

[0024] Figure 5 yes Figure 4 The optical path diagram of the display device shown;

[0025] Figure 6 yes Figure 4 A schematic diagram of a first structure of a cover plate of a display device shown;

[0026] Figure 7 yes Figure 6 A top view of the cover plate of the display device;

[0027] Figure 8 yes Figure 4A schematic diagram of a second structure of a cover plate of a display device shown;

[0028] Fig. 9 yes Figure 8 A top view of the cover plate of the display device;

[0029] Fig.10 yes Figure 4 A schematic diagram of a third structure of a cover plate of a display device shown;

[0030] Fig.11 yes Fig.10 A top view of the cover plate of the display device;

[0031] Fig.12 yes Figure 3 A schematic diagram of a second structure of the display device at position AA′ shown;

[0032] Fig.13 yes Figure 3 A schematic diagram of a third structure of the display device at the AA′ position shown;

[0033] Fig.14 yes Figure 3 A schematic diagram of a fourth structure of the display device at position AA′ is shown.

[0034] 10-display device, 100-display panel; 200-glass cover plate, 210-protrusion, 220-groove, 221-first side wall, 222-second side wall, 230-first part, 240-second part; 300-organic layer; 400-scattering layer; 500-first bonding layer; 600-first supporting layer; 700-second bonding layer; 800-second supporting layer.

[0035] 01-cover; 02-textured structure; 03-display panel. DETAILED DESCRIPTION

[0036] 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.

[0037] 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.

[0038] The embodiment of the present application provides a display device 10, referring to Figure 3 , Figure 4 , Figure 5 , Fig.12 , Fig.13 , Fig.14 The display device includes two planar display parts and a bent display part located between the two planar display parts. The display device 10 also includes a display panel 100 and a glass cover plate 200. The glass cover plate 200 is arranged on the light-emitting side of the display panel 100. A groove is provided on the surface of the glass cover plate close to the display panel. A plurality of protrusions 210 are formed on the surface of the glass cover plate 200 away from the display panel 100. The plurality of protrusions 210 are evenly arranged. The surface of the cover plate away from the display panel is the light-emitting surface of the display device. In a top view of the display device, the groove at least overlaps with the bent display part.

[0039] refer to Figure 1 and Figure 2 The cover plate 01 of the conventional folding display device is made of organic material. In order to eliminate the glare problem of the folding display device, a texture structure 02 for reflecting light is set on the cover plate 01. On the one hand, since the texture structure is irregular, the texture structure causes disordered diffraction and interference of the light of the display panel 03, causing the flash point problem of the display device 10. On the other hand, since the texture structure is formed on the surface of the cover plate 01 made of organic material, the friction performance of the cover plate 01 is reduced, thereby shortening the service life of the display device 10. In the technical solution of the present application, a plurality of protrusions 210 are formed on the surface of the glass cover plate 200 on the side away from the display panel 100, and the plurality of protrusions 210 are arranged evenly; since the plurality of protrusions 210 are evenly arranged, when external light acts on the surface of the glass cover plate 200, the plurality of protrusions 210 can orderly reflect the external light, which can improve the glare problem of the display device 10 on the one hand, and avoid the flash point problem of the display device 10 caused by disordered diffraction and interference of light emitted by the display panel 100 due to the random texture structure on the other hand, thereby improving the display effect of the display device 10. At the same time, since the surface of the cover plate on the side away from the display panel The light emitting surface of the display device, that is, a plurality of protrusions 210 are directly formed on the surface of the glass cover plate 200 away from the display panel 100, rather than forming the protrusions 210 on the organic layer, can avoid the problem of reduced friction performance of the glass cover plate 200, thereby improving the service life of the display device 10, and because the groove 220 is provided on the surface of the glass cover plate 200 on the side close to the display panel 100; the groove 220 at least overlaps with the bent display portion BB, which reduces the thickness of the glass cover plate 200 corresponding to the bent display portion BB, thereby reducing the difficulty of folding the bent display portion BB of the glass cover plate 200, so that the glass cover plate 200 can be bent with a smaller radius.

[0040] In this embodiment, the display device 10 is a foldable display device 10 .

[0041] In this embodiment, the display panel 100 is an organic light-emitting diode display (OLED) display panel 100 .

[0042] In this embodiment, reference Figure 6 , Figure 7 , the diameter d3 of the circumscribed circle of the protrusion 210 is 5um-50um, the height h of the protrusion 210 is 0.1um-1um, and a first spacing d4 is provided between two adjacent protrusions 210, and the width of the first spacing d4 is 1um-20um. By setting the diameter d3 of the circumscribed circle of the protrusion 210 to be 5um-50um, the height h of the protrusion 210 to be 0.1um-1um, and a first spacing d4 is provided between two adjacent protrusions 210, and the width of the first spacing d4 is 1um-20um, on the one hand, it is possible to avoid the reduction of the anti-glare performance of the display device 10 caused by the diameter d3 of the protrusion 210, the height h of the protrusion 210, and the first spacing d4 between two adjacent protrusions 210 being too small, and on the other hand, it is possible to avoid the risk of aggravating the flash point problem of the display device 10 caused by the diameter d3 of the protrusion 210, the height h of the protrusion 210, and the first spacing d4 between two adjacent protrusions 210 being too large. Preferably, the diameter d3 of the protrusion 210 is 5um, 10um, 15um, 20um, 25um, 30um, 35um, 40um, 45um or 50um, the height h of the protrusion 210 is 0.1um, 0.2um, 0.3um, 0.4um, 0.5um, 0.6um, 0.7um, 0.8um, 0.9um or 1.0um, and the width of the first spacing d4 is 1um, 2um, 3um, 4um, 5um, 6um, 7um, 8um, 9um, 10um, 11um, 12um, 13um, 14um, 15um, 16um, 17um, 18um, 19um or 20um.

[0043] In this embodiment, reference Figure 6-Figure 11 The protrusion 210 is cylindrical, conical or hemispherical.

[0044] It should be noted that the diameter of the circumscribed circle of the protrusion 210 is defined in the top view of the display device. In the top view of the display device, the protrusion 210 is cylindrical, conical or hemispherical. At this time, the circumscribed circle of the protrusion 210 is the diameter of the cylindrical, conical or hemispherical protrusion 210; in the top view of the display device, when the protrusion is square, rhombus or regular polygon, the diameter of the protrusion 210 is the diameter of the circumscribed circle of the protrusion 210.

[0045] In this embodiment, reference Figure 6 , Figure 7 , a second spacing d5 is provided from the edge of the protrusion 210 to the edge of the glass cover plate 200, and the width of the second spacing d5 is 0.5mm-5mm. By providing a second spacing d5 from the edge of the protrusion 210 to the edge of the glass cover plate 200, and the width of the second spacing d5 is 0.5mm-5mm, on the one hand, it is prevented that the second spacing d5 from the edge of the protrusion 210 to the edge of the glass cover plate 200 is too large, resulting in the anti-glare of the edge of the display device 10, causing the anti-glare performance of the display device 10 to be reduced, and on the other hand, it can be prevented that the width of the second spacing d5 from the edge of the protrusion 210 to the edge of the glass cover plate 200 is too small, resulting in the strength of the edge of the glass cover plate 200 being reduced, thereby reducing the risk of cracks in the display device 10. Preferably, the width of the second spacing d5 is 0.5mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm or 5.0mm.

[0046] It should be noted that the thickness of the glass cover plate 200 is 200um-500um, wherein the thickness of the glass cover plate 200 is 200um-500um, which is the thickness of the glass cover plate 200 before the groove 220 is provided. Preferably, the thickness of the glass cover plate 200 before the groove 220 is provided is 200um, 250um, 300um, 350um, 400um, 450um or 500um.

[0047] In this embodiment, in the top view of the display device 10 , the slot 220 overlaps with the bent display portion BB, and the opening area of ​​the slot 220 close to the display panel 100 is equal to the opening area of ​​the slot 220 away from the display panel 100 .

[0048] In this embodiment, reference Figure 4 , Fig.12 , Fig.13In the top view of the display device 10, the slot 220 overlaps with the bent display portion BB, and the opening area S1 of the slot 220 close to the display panel 100 is larger than the opening area S2 of the slot 220 away from the display panel 100. By arranging that in the top view of the display device 10, the slot 220 overlaps with the bent display portion BB, and the opening area S1 of the slot 220 close to the display panel 100 is larger than the opening area S1 of the slot 220 away from the display panel 100, compared with the solution in which the opening area of ​​the slot 220 close to the display panel 100 is larger than the opening area of ​​the slot 220 away from the display panel 100, the side wall of the slot 220 is more gentle, the visibility of the edge line of the slot 220 is reduced, and the high visibility of the edge line of the slot 220 causes the display device 10 to produce an obvious imprint.

[0049] In this embodiment, reference Fig.12 , the side wall close to the groove 220 is an inclined surface, and the bottom wall of the groove 220 is a plane. By setting the side wall close to the groove 220 as an inclined surface and the bottom wall of the groove 220 as a plane, the visibility of the edge line of the groove 220 can be reduced, avoiding the situation where the high visibility of the edge line of the groove 220 causes obvious marks on the display device 10, while reducing the difficulty of manufacturing the glass cover 200.

[0050] In this embodiment, the side wall close to the groove 220 is an arc surface, and the bottom wall of the groove 220 is a plane, wherein the side wall close to the groove 220 is an arc convex surface, and the curvature center of the arc convex surface and the center of the groove 220 are shifted to different sides of the organic layer 300.

[0051] In this embodiment, the side wall close to the groove 220 is an arc-shaped concave surface, and the bottom wall of the groove 220 is a plane, wherein the side wall close to the groove 220 is an arc-shaped concave surface, and the center of curvature of the arc-shaped concave surface and the center of the groove 220 are located on the same side of the organic layer 300.

[0052] In this embodiment, reference Fig.13 , the slot 220 is arc-shaped.

[0053] In this embodiment, with reference to 14, in the top view of the display device 10, the groove overlaps with at least a portion of the bent display portion and the flat display portion, and the opening area of ​​the groove close to the display panel is larger than the opening area of ​​the groove away from the display panel. By setting the groove to overlap with at least a portion of the bent display portion and the flat display portion in the top view of the display device 10, and the opening area of ​​the groove close to the display panel is larger than the opening area of ​​the groove away from the display panel, the side wall of the groove 220 can be more relaxed. On the one hand, the visibility of the edge line of the groove 220 can be further reduced, avoiding the situation where the high visibility of the edge line of the groove 220 causes obvious marks on the display device 10. On the other hand, the stress of the glass cover plate 200 can be more relaxed, thereby ensuring that the display device 10 can be bent more easily.

[0054] In this embodiment, reference Fig.14 , the area of ​​the groove 220 decreases gradually from the side close to the display panel 100 to the side far from the display panel 100. By setting the area of ​​the groove 220 to decrease gradually from the side close to the display panel 100 to the side far from the display panel 100, the stress of the glass cover plate 200 can be more uniform, thereby improving the structural stability of the glass cover plate 200.

[0055] In this embodiment, a groove 220 is formed on the entire surface of the glass cover plate 200 close to the display panel 100 .

[0056] In this embodiment, reference Fig.14 The slot 220 includes a first side wall 221 and a second side wall 222 , and the second side wall 222 is directly connected to the first side wall 221 .

[0057] In this embodiment, the first side wall 221 and the second side wall 222 are symmetrically arranged.

[0058] In this embodiment, reference Figure 4 , Fig.12 Fig.13 , Fig.14 The display device 10 further includes a first adhesive layer 500 , and the glass cover plate 200 is fixed to the display panel 100 via the first adhesive layer 500 .

[0059] In this embodiment, reference Figure 4 , Fig.12 Fig.13 , Fig.14The display device 10 further includes a first supporting layer 600 , a second adhesive layer 700 , and a second supporting layer 800 , wherein the second supporting layer 800 is fixed to the first supporting layer 600 via the first adhesive layer 500 , and the display panel 100 is fixed to the second supporting layer 800 .

[0060] In this embodiment, reference Figure 4 , Fig.12 Fig.13 , Fig.14 , the display device 10 further includes an organic layer 300, the organic layer 300 is disposed on a surface of the glass cover plate 200 close to the display panel 100, and a portion of the organic layer 300 fills the groove 220. By setting the display device 10 to further include an organic layer 300, the organic layer 300 is disposed on a surface of the glass cover plate 200 close to the display panel 100, and a portion of the organic layer 300 fills the groove 220, the surface of the glass cover plate 200 close to the display panel 100 can be smoother, on the one hand, the visibility of the edge of the groove 220 can be reduced, and the risk of imprinting of the display device 10 can be reduced, and on the other hand, it can ensure that the glass cover plate 200 and the first adhesive layer 500 can be more stably connected.

[0061] In this embodiment, reference Figure 6 , the glass cover plate 200 includes a first portion 230 and a second portion 240, the thickness of the second portion 240 is less than the thickness of the first portion 230, wherein the groove 220 is at least formed on the second portion 240; in the top view of the display device 10, the first portion 230 is located in the plane display portion AA, and the second portion 240 is located in the bending display portion BB. By setting the glass cover plate 200 to include a first portion 230 and a second portion 240, the thickness of the second portion 240 is less than the thickness of the first portion 230, wherein the groove 220 is at least formed on the second portion 240, the first portion 230 is located in the plane display portion AA, and the second portion 240 is located in the bending display portion BB, the thickness of the portion of the glass cover plate 200 corresponding to the bending display portion BB is thinned, thereby reducing the difficulty of folding the bending display portion BB of the glass cover plate 200, so that the glass cover plate 200 can be bent with a smaller radius.

[0062] In this embodiment, the thickness of the first portion 230 is 200um-500um, and the thickness of the second portion 240 is 70um-150um. By setting the thickness of the first portion 230 to 200um-500um and the thickness of the second portion 240 to 70um-150um, compared with the traditional solution, on the one hand, the overall thickness of the glass cover plate 200 is increased, the impact resistance and surface hardness of the display device 10 are improved, and on the other hand, the thickness of the glass cover plate 200 corresponding to the bent display portion BB is reduced, so that the glass cover plate 200 can be bent with a smaller radius. Preferably, the thickness of the first part 230 is 200um, 250um, 300um, 350um, 400um, 450um or 500um, and the thickness of the second part 240 is 70um, 75um, 80um, 85um, 90um, 95um, 100um, 105um, 110um, 115um, 120um, 125um, 130um, 135um, 140um, 145um or 500um.

[0063] In this embodiment, reference Fig.14 The display device 10 further includes a scattering layer 400, and the scattering layer 400 is disposed between the display panel 100 and the glass cover plate 200. By setting the display device 10 to further include a scattering layer 400, and arranging the scattering layer 400 between the display panel 100 and the glass cover plate 200, the scattering layer 400 can further scatter the light emitted by the display panel, thereby further improving the flash point problem of the display device 10.

[0064] 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 display device, characterized in that: The display device comprises two planar display parts and a bent display part located between the two planar display parts, and the display device further comprises: Display panel; A glass cover plate, the glass cover plate being arranged on the light emitting side of the display panel, a surface of the glass cover plate on a side close to the display panel being provided with a groove, a surface of the glass cover plate on a side away from the display panel being formed with a plurality of protrusions, the plurality of protrusions being evenly arranged, and a surface of the cover plate on a side away from the display panel being a light emitting surface of the display device; Wherein, in the top view of the display device, the groove at least overlaps with the bent display portion.

2. The display device according to claim 1, characterized in that: The diameter of the circumscribed circle of the protrusion is 5um-50um, the height of the protrusion is 0.1um-1um, and a first spacing is set between two adjacent protrusions, and the width of the first spacing is 1um-20um.

3. The display device according to claim 1, characterized in that: A second spacing is arranged between the edge of the protrusion and the edge of the glass cover plate, and a width of the second spacing is 0.5 mm-5 mm.

4. The display device according to claim 1, characterized in that: In a top view of the display device, the groove overlaps with the bent display portion, and an opening area of ​​the groove close to the display panel is larger than an opening area of ​​the groove away from the display panel.

5. The display device according to claim 1, characterized in that: In a top view of the display device, the groove overlaps with at least a portion of the bent display portion and the planar display portion, and an opening area of ​​the groove close to the display panel is larger than an opening area of ​​the groove away from the display panel.

6. The display device according to claim 5, characterized in that: The area of ​​the groove decreases gradually from the side close to the display panel to the side far away from the display panel.

7. The display device according to any one of claims 1 to 5, characterized in that: The display device further comprises an organic layer, which is disposed on a surface of the glass cover plate close to the display panel, and a portion of the organic layer fills the groove.

8. The display device according to claim 1, characterized in that: The glass cover plate includes a first portion and a second portion, the thickness of the second portion is smaller than the thickness of the first portion, wherein the groove is formed at least on the second portion; In a top view of the display device, the first portion is located in the planar display portion, and the second portion is located in the bent display portion.

9. The display device according to claim 8, characterized in that: The thickness of the first part is 200um-500um, and the thickness of the second part is 70um-150um.

10. The display device according to claim 1, characterized in that: The display device further includes a scattering layer, and the scattering layer is arranged between the display panel and the glass cover plate.

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