Display panel, display module and display terminal

Abstract

The present application discloses a display panel, a display module and a display terminal; the display panel comprises a first substrate, a first refractive index layer, a second refractive index layer and a shading layer, the first refractive index layer comprises a plurality of dimming structures, the shading layer comprises a plurality of shading units and an opening, the refractive index of the first refractive index layer is less than the refractive index of the second refractive index layer, the dimming structure comprises a refractive surface, and the refractive surface is used to adjust the light emitting direction of the light incident from one side of the first substrate to the opening; the present application arranges the first refractive index layer to comprise a plurality of dimming structures, the dimming structure comprises a relatively arranged refractive surface, and the refractive surface is close to the opening of the shading layer. Since the refractive index of the first refractive index layer is less than the refractive index of the second refractive index layer, the refractive surface can adjust the light incident from the first substrate in the vertical direction to the opening of the shading layer, thereby increasing the utilization rate of the light and preventing the part of the light from being absorbed and lost by the shading layer, thereby improving the brightness of the display panel.

Description

Technical Field

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

[0002] The brightness of the display panel is an important indicator for evaluating the performance of the display panel, and consumers prefer display panels with higher brightness. When the brightness of the light source is constant, increasing the aperture ratio of the display panel can improve its brightness. In the related art, the aperture ratio can be increased by reducing the critical size of the light-shielding layer, but this method easily causes the metal wire to not be shielded by the light-shielding layer and cause light leakage. In order to avoid light leakage, in another related art, the size of the light-shielding layer is larger than the size of the metal wire, which causes the light emitted from the boundary of the metal wire to be absorbed by the light-shielding layer, resulting in the loss of this part of the light, reducing the utilization rate of the light.

[0003] Therefore, how to provide a display panel that can avoid light leakage and improve the utilization rate of light, thereby improving the brightness of the display panel is one of the technical problems that technicians in this field urgently need to solve. Summary of the invention

[0004] The present application provides a display panel, a display module and a display terminal, which can avoid light leakage and improve the utilization rate of light, thereby improving the brightness of the display panel.

[0005] To solve the above-mentioned problems, the technical solutions provided by this application are as follows:

[0006] The present application provides a display panel, the display panel comprising:

[0007] a first substrate;

[0008] A first refractive index layer, disposed on the first substrate, the first refractive index layer comprising a plurality of dimming structures;

[0009] A second refractive index layer is disposed in contact with a side of the first refractive index layer away from the first substrate;

[0010] A light shielding layer is arranged on a side of the second refractive index layer away from the first substrate, the light shielding layer comprises a plurality of light shielding units, and an opening is arranged between two adjacent light shielding units;

[0011] Among them, the refractive index of the first refractive index layer is smaller than the refractive index of the second refractive index layer, the dimming structure includes relatively arranged refractive surfaces, the orthographic projection of the dimming structure on the first substrate is located within the orthographic projection of the shading unit on the first substrate, and the refractive surface is close to the opening, and the refractive surface is used to adjust the light emitting direction of the light incident from one side of the first substrate to the opening.

[0012] In the display panel of the present application, the refractive surface includes at least one refractive bevel, the angle between the refractive bevel and the first substrate is an acute angle, and the refractive bevel is used to adjust the light emitting direction of the light incident from one side of the first substrate to the opening.

[0013] In the display panel of the present application, the refractive surface includes a refractive inclined surface, and the included angle between the refractive inclined surface and the first substrate is 30 degrees to 60 degrees.

[0014] In the display panel of the present application, the refractive surface includes two connected refractive oblique surfaces, wherein an angle between the refractive oblique surface close to the first substrate and the first substrate is smaller than an angle between the refractive oblique surface far from the first substrate and the first substrate.

[0015] In the display panel of the present application, an angle between the refractive inclined surface close to the first substrate and the first substrate is 1 degree to 20 degrees.

[0016] In the display panel of the present application, the refractive surface includes at least one refractive arc surface, the refractive arc surface is recessed toward the inside of the dimming structure, and the refractive arc surface is used to adjust the light emitting direction of the light incident from the first substrate side to the opening.

[0017] In the display panel of the present application, the orthographic projection of the boundary of the refractive surface close to the opening on the shading unit coincides with the boundary of the shading unit.

[0018] In the display panel of the present application, the display panel also includes a power line, which is arranged on a side of the first refractive index layer close to the first substrate, the orthographic projection of the power line on the first substrate is located within the orthographic projection of the dimming structure on the first substrate, and the orthographic projection of at least part of the refractive surface on the first substrate does not overlap with the orthographic projection of the power line on the first substrate.

[0019] The present application also provides a display module, which includes a backlight module and the above-mentioned display panel, the display panel also includes a second substrate arranged opposite to the first substrate, the shading layer is arranged on a side of the second substrate close to the first substrate, the first substrate is arranged on a side of the light emitting direction of the backlight module, the second substrate is arranged on a side of the first substrate away from the backlight module, and the refractive surface is used to adjust the light emitting direction of the light incident from the backlight module to the opening.

[0020] The present application also provides a display terminal, which includes the above-mentioned display module.

[0021] Beneficial effects: The present application discloses a display panel; the display panel comprises a first substrate, a first refractive index layer, a second refractive index layer, and a shading layer, wherein the first refractive index layer is arranged on the first substrate, the first refractive index layer comprises a plurality of dimming structures, the second refractive index layer is arranged in contact with a side of the first refractive index layer away from the first substrate, the shading layer is arranged on a side of the second refractive index layer away from the first substrate, the shading layer comprises a plurality of shading units, an opening is arranged between two adjacent shading units, wherein the refractive index of the first refractive index layer is less than the refractive index of the second refractive index layer, the dimming structure comprises refractive surfaces arranged opposite to each other, and the dimming structure is arranged on the first The orthographic projection on one substrate is located within the orthographic projection of the shading unit on the first substrate, and the refractive surface is close to the opening, and the refractive surface is used to adjust the light exiting direction of the light incident from the side of the first substrate to the opening; the present application arranges the first refractive index layer to include a plurality of dimming structures, and the dimming structure includes relatively arranged refractive surfaces, and the refractive surfaces are close to the opening of the shading layer. Since the refractive index of the first refractive index layer is smaller than the refractive index of the second refractive index layer, the refractive surface can adjust the vertical light incident from the first substrate to the opening of the shading layer, thereby increasing the utilization rate of the light and preventing this part of the light from being absorbed and lost by the shading layer, thereby improving the brightness of the display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of a first cross-sectional structure of a display panel of the present application;

[0024] Figure 2 This is a schematic diagram of a second cross-sectional structure of the display panel of the present application;

[0025] Figure 3 A third cross-sectional structural schematic diagram of the display panel of the present application;

[0026] Figure 4 This is a schematic diagram of a fourth cross-sectional structure of the display panel of the present application;

[0027] Figure 5 It is a schematic diagram of the cross-sectional structure of a display module of the present application.

[0028] Description of reference numerals:

[0029] The first substrate 10 , the first refractive index layer 20 , the dimming structure 21 , the second refractive index layer 30 , the shading layer 40 , the shading unit 41 , the opening 42 , the refractive surface 210 , the refractive inclined surface 2101 , the refractive arc surface 2102 , the power line 50 , the backlight module 60 , and the second substrate 70 . DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings 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 those skilled in the art without creative work are within the scope of protection of the present application. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, unless otherwise stated, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the drawings; and "inside" and "outside" refer to the outline of the device.

[0031] When the brightness of the light source is constant, increasing the aperture ratio of the display panel can improve its brightness. In the related art, the aperture ratio can be increased by reducing the critical size of the light-shielding layer, but this method easily causes the metal wire to not be shielded by the light-shielding layer and cause light leakage. In order to avoid light leakage, in another related technology, the size of the light-shielding layer is larger than the size of the metal wire, which causes the light emitted from the boundary of the metal wire to be absorbed by the light-shielding layer, resulting in the loss of this part of the light, thereby reducing the utilization rate of the light. Therefore, how to provide a display panel that can avoid light leakage and improve the utilization rate of light, thereby improving the brightness of the display panel is one of the technical problems that technicians in this field urgently need to solve. Based on the above technical problems, the present application proposes the following solutions.

[0032] See also Figures 1 to 5 , Figure 1 is a schematic diagram of a first cross-sectional structure of a display panel of the present application, Figure 2 is a schematic diagram of a second cross-sectional structure of the display panel of the present application, Figure 3 is a schematic diagram of a third cross-sectional structure of the display panel of the present application, Figure 4 is a schematic diagram of a fourth cross-sectional structure of the display panel of the present application, Figure 5 : is a schematic diagram of a cross-sectional structure of a display module of the present application. Figures 1 to 4 The dotted lines in FIG. 5 are used to assist in explaining the relative positional relationship among the shading unit 41 , the refractive surface 210 , and the power line 50 . Figures 1 to 4 The straight arrows in the figure illustrate the direction of light propagation.

[0033] This application provides a display panel. Figure 1The display panel includes a first substrate 10, a first refractive index layer 20, a second refractive index layer 30, and a light shielding layer 40, wherein the first refractive index layer 20 is disposed on the first substrate 10, the first refractive index layer 20 includes a plurality of dimming structures 21, the second refractive index layer 30 is disposed in contact with the side of the first refractive index layer 20 away from the first substrate 10, the light shielding layer 40 is disposed on the side of the second refractive index layer 30 away from the first substrate 10, the light shielding layer 40 includes a plurality of light shielding units 41, and an opening 42 is disposed between two adjacent light shielding units 41, wherein the refractive index of the first refractive index layer 20 is smaller than the refractive index of the second refractive index layer 30, the dimming structure 21 includes a refractive surface 210 disposed oppositely, the orthographic projection of the dimming structure 21 on the first substrate 10 is located within the orthographic projection of the light shielding unit 41 on the first substrate 10, and the refractive surface 210 is close to the opening 42, and the refractive surface 210 is used to adjust the light emitting direction of the light incident from the first substrate 10 side to the opening 42.

[0034] The present application arranges the first refractive index layer 20 to include a plurality of dimming structures 21, wherein the dimming structures 21 include relatively arranged refractive surfaces 210, and the refractive surfaces 210 are close to the openings 42 of the light shielding layer 40. Since the refractive index of the first refractive index layer 20 is less than the refractive index of the second refractive index layer 30, the refractive surfaces 210 can adjust the vertical light incident from the first substrate 10 to the openings 42 of the light shielding layer 40, thereby increasing the utilization rate of the light and preventing the light from being absorbed and lost by the light shielding layer 40, thereby improving the brightness of the display panel.

[0035] The display panel includes a first substrate 10, which may be a flexible substrate or a rigid substrate. The material of the flexible substrate includes polyimide, and the material of the rigid substrate includes glass.

[0036] The first refractive index layer 20 is arranged on the first substrate 10, and each refractive index layer includes a plurality of dimming structures 21, and each dimming structure 21 includes relatively arranged refractive surfaces 210. The relatively refractive surfaces 210 in the same dimming structure 21 may be connected by a plane parallel to the first substrate 10, or may not be connected. The portion between the refractive surfaces 210 of the dimming structure 21 can be arranged as needed, and the present application does not impose any restrictions on this. The arrangement of the portion between the refractive surfaces 210 of the dimming structure 21 does not affect the implementation of the present application. When the middle portion of the same dimming structure 21 is a plane parallel to the first substrate 10, it can be realized by a film forming process. At this time, only the refractive surface 210 needs to be etched accordingly, which can simplify the manufacturing process of the dimming structure 21.

[0037] The second refractive index layer 30 covers the upper surface of the first refractive index layer 20. A shading layer 40 is provided on the side of the second refractive index layer 30 away from the first refractive index layer 20, and the shading layer 40 includes a plurality of shading units 41, and an opening 42 is provided between two adjacent shading units 41, and the opening 42 is used for allowing light emitted by the light source of the display panel to pass through. One opening 42 can correspond to a sub-pixel of the display panel. For example, the light source of the display panel can be a backlight module 60, or a self-luminous organic light emitting diode. The shading layer 40 can be a black matrix, or it can be other film layers with shading function. This application is not limited to this.

[0038] A dimming structure 21 is provided corresponding to a shading unit 41, the orthographic projection of the dimming structure 21 on the first substrate 10 is located within the orthographic projection of the shading unit 41 on the first substrate 10, and the oppositely disposed refractive surfaces 210 of the dimming structure 21 are respectively close to the openings 42 on both sides of the shading unit 41. Since the refractive index of the first refractive index layer 20 is smaller than the refractive index of the second refractive index layer 30, when light is vertically incident on the refractive surface 210 of the dimming structure 21 from one side of the first substrate 10, its refraction angle is smaller than the incident angle, and the refractive surface 210 can adjust the direction of the light in this area to the opening 42 of the shading layer 40, thereby improving the utilization rate of the light.

[0039] In one embodiment, the material of the first refractive index layer 20 may be silicon oxide, and the material of the second refractive index layer 30 may be silicon nitride. The refractive index of silicon oxide is 1.45 to 1.55, and the refractive index of silicon nitride is 1.8 to 2.0. The materials of the first refractive index layer 20 and the second refractive index layer 30 may also be other materials, which is not limited in the present application.

[0040] In some embodiments, see Figure 2 The display panel further includes a power line 50, which is used to provide signals for the pixels inside the display panel, and the power line 50 can be a metal wiring. The power line 50 can be arranged on the first substrate 10, and is located on the side of the first refractive index layer 20 close to the first substrate 10. The orthographic projection of the power line 50 on the first substrate 10 is located within the orthographic projection of the dimming structure 21 on the first substrate 10, and at least part of the orthographic projection of the refractive surface 210 on the first substrate 10 does not overlap with the orthographic projection of the power line 50 on the first substrate 10, thereby ensuring that at least part of the light incident from one side of the first substrate 10 is not blocked by the power line 50, so that this part of the light can be refracted on the refractive surface 210 into the opening 42 of the light shielding layer 40, thereby improving the utilization rate of the light and improving the brightness of the display panel.

[0041] Optionally, the orthographic projection of the refractive surface 210 on the first substrate 10 does not overlap with the orthographic projection of the power line 50 on the first substrate 10, so that the entire refractive surface 210 can adjust the refraction angle of the light incident from one side of the first substrate 10, further improving the utilization rate of the light.

[0042] The technical solution of the present application is now described in conjunction with specific embodiments.

[0043] In the display panel of this application, please refer to Figures 1 to 3 The refractive surface 210 includes at least one refractive bevel 2101 , and the included angle between the refractive bevel 2101 and the first substrate 10 is an acute angle. The refractive bevel 2101 is used to adjust the light emitting direction of the light incident from one side of the first substrate 10 to the opening 42 .

[0044] In this example, see Figure 2 The refractive surface 210 includes a refractive bevel 2101. The angle between the refractive bevel 2101 and the first substrate 10 refers to the angle between the refractive bevel 2101 and the plane of the first substrate 10 inside the dimming structure 21. Figure 1 and Figure 2 In the embodiment, the angle A between the refractive bevel 2101 and the first substrate 10 is an acute angle. Optionally, the angle A between the refractive bevel 2101 and the first substrate 10 ranges from 30 degrees to 60 degrees. Within this angle range, the film forming process reliability of the refractive surface 210 is better, and the refractive effect of the refractive surface 210 can be improved.

[0045] In this example, see Figure 3 The refractive surface 210 includes two connected refractive inclined surfaces 2101 , wherein the angle between the refractive inclined surface 2101 close to the first substrate 10 and the first substrate 10 is smaller than the angle between the refractive inclined surface 2101 far from the first substrate 10 and the first substrate 10 . Figure 3 2 shows a case where the refractive surface 210 includes two connected refractive inclined surfaces 2101 .

[0046] Specifically, see Figure 3 , Figure 3The two refraction inclined surfaces 2101 are connected. The included angle between the refraction inclined surface 2101 close to the first substrate 10 and the first substrate 10 is B, and the included angle between the refraction inclined surface 2101 far from the first substrate 10 and the first substrate 10 is C, where B < C. Among them, the light ray emerging from the refraction inclined surface 2101 close to the first substrate 10 is the first light ray S1, and the light ray emerging from the refraction inclined surface 2101 far from the first substrate 10 is the second light ray S2. Since B < C, when the vertical light ray incident from one side of the first substrate 10 reaches the two refraction inclined surfaces 2101, its refraction angles are the same. However, due to the different normal directions of the two refraction inclined surfaces 2101, the acute included angle between the second light ray S2 and the first substrate 10 is smaller than the acute included angle between the first light ray S1 and the first substrate 10. That is to say, the deflection angle of the second light ray S2 refracted from the refraction inclined surface 2101 far from the first substrate 10 towards the opening 42 side with respect to its incident direction ( Figure 3 the vertical direction in) is larger, enabling more light rays on the refraction inclined surface 2101 far from the first substrate 10 to be refracted into the opening 42 of the light-shielding layer 40, further improving the utilization rate of light rays.

[0047] It should be noted that the refraction surface 210 may further include a plurality of connected refraction inclined surfaces 2101, so that the slope of the refraction inclined surface 2101 is relatively gentle, avoiding too large a cone angle of the film layer and preventing wire breakage at the position with too large a corresponding cone angle during subsequent film layer deposition. The number of the refraction inclined surfaces 2101 in this application is not limited. Among them, the included angle between the refraction inclined surface 2101 close to the first substrate 10 and the first substrate 10 is smaller than the included angle between the refraction inclined surface 2101 far from the first substrate 10 and the first substrate 10. Optionally, the angle range of the included angle between the refraction inclined surface 2101 connected to the first substrate 10 and the first substrate 10 is from 1 degree to 20 degrees. In the direction away from the first substrate 10, the acute included angle between the refraction inclined surface 2101 and the first substrate 10 gradually increases, so that all vertically incident light rays on the refraction surface 210 can be refracted into the opening 42, further improving the utilization rate of light rays.

[0048] In the display panel of this application, please refer to Figure 4 , the refraction surface 210 includes at least one refraction arc surface 2102, the refraction arc surface 2102 is recessed towards the inside of the light modulation structure 21, and the refraction arc surface 2102 is used to adjust the light output direction of the light ray incident from one side of the first substrate 10 into the opening 42. The refraction arc surface 2102 can be a surface formed by one or more circular arcs or curves. For example, Figure 4The refractive arc surface 2102 shown is a concave circular arc surface. Therefore, similar to the principle of multiple connected refractive inclined surfaces 2101, the light refracted on the refractive arc surface 2102 away from the first substrate 10 is deflected at a larger angle from the original incident direction, so that more light can be adjusted into the opening 42 of the shading layer 40, further improving the utilization rate of light.

[0049] In this embodiment, the refractive surface 210 may include a combination of a refractive bevel 2101 and a refractive arc surface 2102, wherein the number of the refractive bevel 2101 and the refractive arc surface 2102 can be adjusted as needed to adapt to different thicknesses of the first refractive index layer 20 so that as much light as possible can be adjusted into the opening 42 of the shading layer 40.

[0050] In all the above embodiments, the orthographic projection of the boundary of the refractive surface 210 close to the opening 42 on the shading unit 41 coincides with the boundary of the shading unit 41. The boundary of the shading unit 41 refers to the boundary between the shading unit 41 and the opening 42. That is to say, on the side close to the opening 42, the orthographic projection of the boundary of the refractive surface 210 on the first substrate 10 coincides with the orthographic projection of the boundary of the shading unit 41 on the first substrate 10. This ensures that the light in the opening 42 of the shading layer 40 is not refracted by the refractive surface 210, while the light in the projection of the refractive surface 210 can be refracted by the refractive surface 210, thereby improving the utilization rate of the light.

[0051] In some embodiments, the display panel also includes a power line 50, the orthographic projection of the refractive surface 210 on the first substrate 10 is located outside the orthographic projection of the power line 50 on the first substrate 10, and the orthographic projection of the refractive surface 210 on the first substrate 10 is located within the orthographic projection of the shading unit 41 on the first substrate 10.

[0052] For further information, see Figures 2 to 4 , the boundary of the refractive surface 210 close to the opening 42 coincides with the boundary of the light shielding unit 41, and the boundary of the refractive surface 210 close to the power line 50 coincides with the boundary of the power line 50. Figures 2 to 4 As shown by the dotted line in the figure, the dotted line is perpendicular to the first substrate 10. Among them, two dotted lines are respectively arranged on one refractive surface 210, one of which passes through the boundary of the refractive surface 210 close to the opening 42, and the other dotted line passes through the boundary of the refractive surface 210 away from the opening 42, and the two dotted lines are parallel to each other. At this time, the refractive surface 210 is located between the two dotted lines, and the boundaries on both sides coincide with the corresponding dotted lines respectively. Thereby reducing the size of the dimming structure 21, increasing the size of the opening 42 of the light shielding layer 40, and improving the aperture ratio of the display panel.

[0053] It should be noted that the angle of the refractive surface 210 can be adjusted according to the minimum spacing between the orthographic projections of the power line 50 and the opening 42 on the first substrate 10 to meet the process requirements. When the boundary of the power line 50 located on the same side is farther away from the boundary of the light shielding unit 41, the angle of the refractive slope 2101 is also larger, so that the light can be adjusted into the opening 42 of the light shielding layer 40.

[0054] In some embodiments, the angle range of the refractive surface 210 may be 30 degrees to 60 degrees. Within this angle range, the film forming process of the refractive surface 210 has better reliability, and the refractive effect of the refractive surface 210 can be improved.

[0055] In the embodiment of the present application, when the refractive surface 210 includes a plurality of continuous refractive bevels 2101 or when the refractive surface 210 includes a refractive arc surface 2102, a half-tone mask can be used for production, and different etching thicknesses can be achieved by setting the transmittance of the mask at the corresponding positions of different refractive bevels 2101 or refractive arc surfaces 2102 to be different, thereby ensuring that the angles of the various refractive bevels 2101 or refractive arc surfaces 2102 are different. The method for realizing the refractive surface 210 can be dry etching or other processes, and the present application does not limit this.

[0056] In some embodiments, the boundary of the shading unit 41 close to the opening 42 can be a slope. In the direction of the cross-sectional view of the display panel, the width dimension of the lower surface of the shading unit 41 close to the first substrate 10 is smaller than the width dimension of the upper surface of the shading unit 41 away from the first substrate 10, that is, the cross-section of the shading unit 41 is an inverted trapezoidal shape. At this time, the slope of the shading unit 41 allows more light parallel to the slope direction to be emitted into the opening 42, thereby further improving the utilization rate of light.

[0057] This application also provides a display module, see Figure 5 The display module includes a backlight module 60 and the above-mentioned display panel, and the display panel also includes a second substrate 70 arranged opposite to the first substrate 10. The light shielding layer 40 is arranged on a side of the second substrate 70 close to the first substrate 10. The first substrate 10 is arranged on a side of the light emitting direction of the backlight module 60. The second substrate 70 is arranged on a side of the first substrate 10 away from the backlight module 60. The refractive surface 210 is used to adjust the light emitting direction of the light incident from the backlight module 60 to the opening 42.

[0058] In this embodiment, the light source incident from one side of the first substrate 10 is provided by the backlight module 60. The light emitted by the backlight module 60 is incident on the dimming structure 21 through the first substrate 10, is refracted on the refractive surface 210 of the dimming structure 21, and is emitted from the opening 42 of the shading layer 40, thereby improving the utilization rate of the light.

[0059] When the display panel also includes a power line 50, the setting of the power line 50 also refers to the setting in the above embodiment. When the light emitted from the backlight module 60 is irradiated to the dimming structure 21, a part of the light that is not blocked by the power line 50 is incident on the refractive surface 210. After being refracted by the refractive surface 210, this part of the light is emitted from the opening 42 of the shading layer 40, thereby improving the utilization rate of the light.

[0060] It should be noted that when the display panel module includes a backlight module 60, the display panel is a liquid crystal display panel. A liquid crystal layer is also arranged between the first substrate 10 and the second substrate 70. The first substrate 10 may be an array substrate, the second substrate 70 may be a color filter substrate, the first refractive index layer 20 and the second refractive index layer 30 are arranged on the first substrate 10, and the light shielding layer 40 is arranged on the second substrate 70. A plurality of color filters are arranged correspondingly at the opening 42 of the light shielding layer 40, and the white light emitted from the backlight module 60 is converted into corresponding color light after passing through the color filters, thereby realizing color display.

[0061] In some embodiments, when the display panel is an OLED display panel, the display module does not include a backlight module 60. In this case, the display panel includes a plurality of light-emitting units. The first refractive layer is disposed on one side of the light-emitting direction of the light-emitting unit, and the second refractive index layer 30 is disposed in contact with the side of the first refractive index layer 20 away from the light-emitting unit. The shading layer 40 is disposed on the side of the second refractive index layer 30 away from the light-emitting unit. The shading layer 40 includes a plurality of openings 42, and an opening 42 corresponds to a pixel of a display panel. The refractive surface 210 of the dimming structure 21 of the first refractive index layer 20 adjusts the light emitted from the light-emitting unit into the opening 42 of the shading layer 40. The display panel may also be provided with a touch layer, etc. The touch layer may be disposed on the side of the shading layer away from the light-emitting unit, or may be adjusted as needed, and the present application does not impose any restrictions on this.

[0062] The present application also provides a display terminal, which includes the above-mentioned display module.

[0063] In this embodiment, the display terminal may be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, or the like.

[0064] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0065] The above is a detailed introduction to a display panel, a display module and a display terminal provided in the embodiments of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A display panel, characterized in that: include: a first substrate; A first refractive index layer, disposed on the first substrate, the first refractive index layer comprising a plurality of dimming structures; A second refractive index layer is disposed in contact with a side of the first refractive index layer away from the first substrate; A light shielding layer is arranged on a side of the second refractive index layer away from the first substrate, the light shielding layer comprises a plurality of light shielding units, and an opening is arranged between two adjacent light shielding units; The refractive index of the first refractive index layer is smaller than the refractive index of the second refractive index layer, the dimming structure comprises refractive surfaces arranged opposite to each other, the orthographic projection of the dimming structure on the first substrate is located within the orthographic projection of the shading unit on the first substrate, and the refractive surface is close to the opening, and the refractive surface is used to adjust the light exiting direction of the light incident from the first substrate side to the opening; the orthographic projection of the boundary of the refractive surface close to the opening on the shading unit coincides with the boundary of the shading unit; the display panel further comprises a power line, the power line is arranged on the side of the first refractive index layer close to the first substrate, the The orthographic projection of the power line on the first substrate is located within the orthographic projection of the dimming structure on the first substrate, and the orthographic projection of the boundary of the refractive surface close to the power line on the power line coincides with the boundary of the power line; the refractive surface includes two connected refractive oblique surfaces, wherein the angle between the refractive oblique surface close to the first substrate and the first substrate is smaller than the angle between the refractive oblique surface far from the first substrate and the first substrate; or, the refractive surface includes at least one refractive arc surface, which is concave toward the inside of the dimming structure, and the refractive arc surface is used to adjust the light exit direction of the light incident from the side of the first substrate to the opening.

2. The display panel according to claim 1, characterized in that: The included angle between the refractive bevel and the first substrate is an acute angle, and the refractive bevel is used to adjust the light emitting direction of the light incident from one side of the first substrate to the opening.

3. The display panel according to claim 1, characterized in that: An included angle between the refractive inclined surface close to the first substrate and the first substrate is 1 degree to 20 degrees.

4. A display module, characterized in that: The display module includes a backlight module and a display panel as described in any one of claims 1 to 3, the display panel also includes a second substrate arranged opposite to the first substrate, the shading layer is arranged on a side of the second substrate close to the first substrate, the first substrate is arranged on a side of the light emitting direction of the backlight module, the second substrate is arranged on a side of the first substrate away from the backlight module, and the refractive surface is used to adjust the light emitting direction of the light incident from the backlight module to the opening.

5. A display terminal, characterized in that: Comprising the display module as claimed in claim 4.

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