Display module and electronic device

Abstract

The utility model discloses a display module and electronic equipment. The display module includes drive backplate, pixel definition layer, encapsulation layer, touch layer and light transmission cover. Drive backplate includes the front. Pixel definition layer includes R sub -pixel, G sub -pixel and B sub -pixel. Encapsulation layer covers the top of pixel definition layer. Touch layer covers the top of encapsulation layer. Touch layer includes touch wire, and touch wire is equipped with first grid, second grid and third grid. Light transmission cover covers touch layer. Wherein, R sub -pixel sets up in first grid, G sub -pixel sets up in second grid, B sub -pixel sets up in third grid. The light blocking angle of R sub -pixel is theta 1, the light blocking angle of G sub -pixel is theta 2, the light blocking angle of B sub -pixel is theta 3. And theta 1, theta 2 and theta 3 at least have two of them are not equal, to improve the visual role deviation problem, promote the display quality of display module, improve the use experience of electronic equipment.

Description

Technical Field

[0001] This disclosure relates to the field of electronic technology, and in particular to a display module and an electronic device. Background Technology

[0002] Electronic devices such as mobile phones and tablets have become indispensable technological products in people's lives, studies, and entertainment. Currently, electronic devices using display modules offer a better user experience and are increasingly favored by consumers.

[0003] Among related technologies, AMOLED (Active-Matrix Organic Light-Emitting Diode) is an advanced display technology based on OLED, achieving high resolution, high contrast, and low power consumption through active matrix driving. However, this type of display module suffers from viewing angle distortion due to differences in brightness attenuation among the RGB sub-pixels at different viewing angles, which is detrimental to improving the display quality of the module. Utility Model Content

[0004] This disclosure provides a display module and an electronic device. The display module effectively improves viewing angle distortion, enhances display quality, and improves the user experience of the electronic device.

[0005] The technical solution is as follows: According to a first aspect of the present disclosure, a display module is provided, including a driving backplane, a pixel definition layer, an encapsulation layer, a touch layer, and a light-transmitting cover. The driving backplane includes a front surface. The pixel definition layer includes a plurality of R sub-pixels, a plurality of G sub-pixels, and a plurality of B sub-pixels spaced apart on the front surface. The encapsulation layer covers the pixel definition layer and is disposed opposite to the front surface. The touch layer covers the encapsulation layer and is disposed opposite to the pixel definition layer. The touch layer includes touch traces, which are provided with a first grid corresponding to each R sub-pixel, a second grid corresponding to each G sub-pixel, and a third grid corresponding to each B sub-pixel. The light-transmitting cover covers the touch layer and is disposed opposite to the touch layer. Specifically, on the front projection surface of the front surface, the R sub-pixels are disposed within the first grid, the G sub-pixels are disposed within the second grid, and the B sub-pixels are disposed within the third grid. The light-blocking angle of the R sub-pixels is θ1, the light-blocking angle of the G sub-pixels is θ2, and the light-blocking angle of the B sub-pixels is θ3. Furthermore, at least two of θ1, θ2, and θ3 are not equal, so that the maximum difference in light attenuation between R sub-pixels, G sub-pixels, and B sub-pixels at the oblique viewing angle is less than or equal to the first threshold.

[0006] The technical solution of this disclosure will be further explained below: In one embodiment, the first threshold is 0 to 5%.

[0007] In one embodiment, the greater the light attenuation of the R sub-pixel, G sub-pixel, and B sub-pixel under the viewing angle, the larger the corresponding light blocking angle.

[0008] And / or, the pixel definition layer may also include microcavity structures.

[0009] In one embodiment, if the light decay of the R sub-pixel in the viewable field of view is greater than that of the G sub-pixel and the B sub-pixel in the viewable field of view, then θ1 is greater than θ2 and θ3.

[0010] Alternatively, if the light decay of the G sub-pixel under the viewing angle is greater than that of the R sub-pixel and the B sub-pixel under the viewing angle, then θ2 is greater than θ1 and θ3.

[0011] Alternatively, if the light decay of the B sub-pixel under the viewing angle is greater than that of the R sub-pixel and the G sub-pixel under the viewing angle, then θ3 is greater than θ1 and θ2.

[0012] In one embodiment, the pixel definition layer arranges multiple R sub-pixels, multiple G sub-pixels, and multiple B sub-pixels using a pentile pixel arrangement.

[0013] In one embodiment, the pixel definition layer arranges multiple R sub-pixels, multiple G sub-pixels, and multiple B sub-pixels using a real RGB pixel arrangement.

[0014] In one embodiment, on the front projection plane, the minimum distance between the inner edge of the first grid and the edge of the R sub-pixel is D1, the minimum distance between the inner edge of the second grid and the edge of the G sub-pixel is D2, and the minimum distance between the inner edge of the third grid and the edge of the B sub-pixel is D3. At least two of D1, D2, and D3 are unequal, such that at least two of θ1, θ2, and θ3 are unequal, and the larger D1, D2, and D3 are, the larger the corresponding light-blocking angle.

[0015] And / or, in the thickness direction of the display module, the minimum vertical distance between the inner edge of the first grid and the edge of the R sub-pixel is L1, the minimum vertical distance between the inner edge of the second grid and the edge of the G sub-pixel is L2, and the minimum vertical distance between the inner edge of the third grid and the edge of the B sub-pixel is L3. Wherein, at least two of L1, L2, and L3 are not equal, such that at least two of θ1, θ2, and θ3 are not equal, and the smaller L1, L2, and L3 are, the larger the corresponding light-blocking angle.

[0016] In one embodiment, 2um≤D1≤12um, 2um≤D2≤12um, 2um≤D3≤12um.

[0017] In one embodiment, on the front projection plane, when D1 is at its maximum, the maximum width of the touch trace of the first grid is less than the maximum width of the touch trace of the second grid and the maximum width of the touch trace of the third grid.

[0018] Alternatively, on the front projection plane, when D2 is at its maximum, the maximum width of the touch trace in the second grid is less than the maximum width of the touch trace in the first grid and the maximum width of the touch trace in the third grid.

[0019] Alternatively, on the front projection plane, when D3 is at its maximum, the maximum width of the touch trace in the third grid is less than the maximum width of the touch trace in the first grid and the maximum width of the touch trace in the second grid.

[0020] In one embodiment, on the front projection plane, when D1 is at its maximum, the inner hole area of ​​the first grid is greater than the inner hole area of ​​the second grid and the inner hole area of ​​the third grid.

[0021] Alternatively, on the front projection plane, when D2 is at its maximum, the inner hole area of ​​the second grid is greater than the inner hole area of ​​the first grid and the inner hole area of ​​the third grid.

[0022] Alternatively, on the front projection plane, when D3 is at its maximum, the inner hole area of ​​the third grid is greater than the inner hole area of ​​the first grid and the inner hole area of ​​the second grid.

[0023] In one embodiment, the encapsulation layer is an IJP layer.

[0024] And / or, the substrate of the touch layer has a polarizing function. The thickness of the encapsulation layer between the first grid and the R sub-pixel is H1, the thickness of the encapsulation layer between the second grid and the G sub-pixel is H2, and the thickness of the encapsulation layer between the third grid and the B sub-pixel is H3. Wherein, L1=H1, L2=H2, L3=H3.

[0025] And / or, 9um≤L1≤15um, 9um≤L2≤15um, 9um≤L3≤15um.

[0026] According to a second aspect of the present disclosure, an electronic device is also provided, including a housing assembly and a display module in any of the above embodiments, the display module being disposed on the housing assembly.

[0027] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects: When this display module is applied to electronic devices, by adjusting the light-blocking angles of each sub-pixel, at least two of θ1, θ2, and θ3 are unequal. This ensures that the maximum difference in light attenuation between the R, G, and B sub-pixels at an oblique viewing angle is less than or equal to a first threshold. In other words, it makes the light attenuation of each sub-pixel comparable at an oblique viewing angle, achieving color shift optimization at the viewing angle. This effectively improves the color shift problem at the viewing angle, enhances the display quality of the display module, and improves the user experience of electronic devices.

[0028] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0029] The accompanying drawings, which form part of this disclosure, are used to provide a further understanding of this disclosure. The illustrative embodiments of this disclosure and their descriptions are used to explain this disclosure and do not constitute an undue limitation of this disclosure.

[0030] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the structure of an electronic device according to an embodiment.

[0032] Figure 2 for Figure 1 The diagram shown is a cross-sectional view of the display module in the width direction.

[0033] Figure 3 for Figure 1 The diagram shows the arrangement of the pixel definition layer and touch layer of the display module on the front projection surface.

[0034] Figure 4 This is a cross-sectional view of the display module in the width direction, as shown in some other embodiments.

[0035] Figure 5 This is a cross-sectional view of the display module in the width direction, as shown in some other embodiments.

[0036] Figure 6 This is a cross-sectional view of the display module in the width direction, as shown in some other embodiments.

[0037] Figure 7 This is a schematic diagram of the internal hardware structure of an electronic device in one embodiment.

[0038] Explanation of reference numerals in the attached figures: 10. Electronic device; 11. Processing component; 12. Memory; 13. Power supply component; 14. Multimedia component; 15. Audio component; 16. Input / output interface; 17. Sensor component; 18. Communication component; 100. Housing component; 200. Display module; 210. Driver backplane; 211. Front side; 220. Pixel definition layer; 221. R subpixel; 222. G subpixel; 223. B subpixel; 230. Encapsulation layer; 240. Touch layer; 241. Touch trace; 242. First grid; 243. Second grid; 244. Third grid; 245. Substrate; 250. Light-transmitting cover. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative and do not limit the scope of protection of this disclosure.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure.

[0041] For ease of understanding, the technical terms involved in the embodiments of this disclosure will be explained and described in a broad sense below.

[0042] OLED: Organic Light-Emitting Diode.

[0043] PDL: Pixel Definition Layer.

[0044] RGB: Red, Green, Blue, is the foundation of color models and pixel arrangement, directly affecting the screen's color rendering ability, resolution, and power consumption.

[0045] TFE: Thin Film Encap.

[0046] Pol: Polarizer, a film used to polarize light.

[0047] Pol-less: A new type of OLED display structure without a polarizer.

[0048] CF: Color Filter.

[0049] BM: Black Material, a black, opaque material, such as black matrix film.

[0050] ALS: Ambient Light Sensor.

[0051] L-decay: Light decay, light decay characteristic.

[0052] Viewing angle should be interpreted broadly, including the maximum range of angles from which a user can clearly view screen content (usually with a contrast ratio ≥10:1 or a color difference ΔE <5 as the threshold). The luminescent characteristics of each sub-pixel (R / G / B) (such as light scattering direction and aperture ratio) collectively determine the overall viewing angle.

[0053] The term "oblique viewing angle" should be interpreted broadly to include changes in display effects when the user deviates from the screen's normal direction (facing directly), including: luminance drop, color shift (such as white turning yellow / blue), and decreased contrast.

[0054] IJP: Inkjet Printing. Inkjet printing technology precisely deposits functional materials (such as organic light-emitting materials, electrode inks, insulating layers, etc.) onto a substrate in droplet form to form corresponding pixel, circuit, or encapsulation layer structures. It utilizes inkjet printing of thin-film encapsulation (TFE) materials to form encapsulation layers.

[0055] Pentile pixel arrangement improves screen resolution or reduces power consumption by sharing subpixels (such as RGBG or RGBW).

[0056] Real RGB pixel arrangement, standard RGB arrangement: uses an equilateral triangle arrangement of red (R), green (G), and blue (B) subpixels.

[0057] Mobile phones, tablets, and other electronic devices have become indispensable technological products in people's lives, studies, and entertainment, bringing numerous conveniences and enjoyment. With the diversification of electronic device functions, there are now many types and brands available, offering consumers a wide range of choices. Simply improving the functional features of electronic devices is no longer sufficient to meet people's demands. The display quality and appearance of electronic devices with display functions have also become important factors influencing their competitiveness. Among electronic devices with similar functions or performance, those with higher display quality and more attractive appearances are more likely to attract consumers.

[0058] Among related technologies, AMOLED (Active-Matrix Organic Light-Emitting Diode) is an advanced display technology based on OLED, achieving high resolution, high contrast, and low power consumption through active matrix driving. Typically, OLED screens suffer from viewpoint color shift due to differences in brightness decay among RGB sub-pixels at different viewing angles. With the development and iteration of display products, viewpoint color shift has become an increasingly important issue for users, and is one of the core visual effect indicators of user experience.

[0059] To improve color shift, the traditional approach is to use the microcavity structure of OLEDs to improve and adjust the color shift in the viewing angle. However, the control of the microcavity structure has certain limitations, as it is limited by the intrinsic RGB spectrum, resulting in poor color shift optimization.

[0060] Based on this, the present disclosure provides a display module that can effectively improve the viewing angle bias problem, enhance the display quality of the display module, and improve the user experience of electronic devices.

[0061] To better understand the display module of this disclosure, the following description is based on an electronic device that uses the display module.

[0062] like Figure 1 As shown, in some embodiments of this disclosure, an electronic device 10 is provided, including a housing assembly 100 and a display module 200, the display module 200 being disposed on the housing assembly 100. Thus, the electronic device 10 has a display function, facilitating users to view pictures and videos.

[0063] like Figure 2 as well as Figure 3As shown, the display module 200 includes a driving backplane 210, a pixel definition layer 220, an encapsulation layer, a touch layer 240, and a light-transmitting cover 250. The driving backplane 210 includes a front panel 211. The pixel definition layer 220 includes a plurality of R sub-pixels 221, a plurality of G sub-pixels 222, and a plurality of B sub-pixels spaced apart on the front panel 211. The encapsulation layer covers the pixel definition layer 220 and is disposed opposite to the front panel 211. The touch layer 240 covers the encapsulation layer and is disposed opposite to the pixel definition layer 220. The touch layer 240 includes touch traces 241, each with a first grid 242 corresponding to one-to-one with the R sub-pixels 221, a second grid 243 corresponding to one-to-one with each G sub-pixels 222, and a third grid 244 corresponding to one-to-one with each B sub-pixels. The light-transmitting cover 250 covers the touch layer 240 and is disposed opposite to the touch layer 240. In the front projection plane 211, R sub-pixels 221 are disposed within the first grid 242, G sub-pixels 222 are disposed within the second grid 243, and B sub-pixels are disposed within the third grid 244. The light-blocking angle of R sub-pixels 221 is θ1, the light-blocking angle of G sub-pixels 222 is θ2, and the light-blocking angle of B sub-pixels is θ3. At least two of θ1, θ2, and θ3 are not equal, so that the maximum difference in light attenuation between R sub-pixels 221, G sub-pixels 222, and B sub-pixels at an oblique viewing angle is less than or equal to a first threshold.

[0064] Thus, when the display module 200 is applied to the electronic device 10, by adjusting the light-blocking angles of each sub-pixel, at least two of θ1, θ2, and θ3 are not equal, so that the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at the oblique viewing angle is less than or equal to a first threshold. That is, the light attenuation of each sub-pixel is made comparable at the oblique viewing angle, achieving the purpose of color shift optimization at the viewing angle, thereby effectively improving the color shift problem at the viewing angle, improving the display quality of the display module 200, and enhancing the user experience of the electronic device 10.

[0065] It should be noted that R subpixel 221 is the red subpixel, G subpixel 222 is the green subpixel, and B subpixel is the blue subpixel.

[0066] It should be noted that the larger the light-blocking angle and the smaller the occlusion angle of the sub-pixel, the larger the light-emitting angle of the sub-pixel.

[0067] In some embodiments, at least one of a polarizing layer, an optical adhesive layer, etc., is sandwiched between the light-transmitting cover 250 and the touch layer 240.

[0068] It should be noted that the first threshold can be flexibly set according to the performance requirements of the display module 200. In some embodiments, the first threshold is 0-5%.

[0069] Optionally, the first threshold is 1% to 5%.

[0070] Optionally, the first threshold is 2% to 4%.

[0071] Optionally, the first threshold is at least one of 0, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, etc.

[0072] It should be noted that the degree of light decay can be measured by light decay rate, brightness variance, contrast ratio, etc. For example, the "maximum difference in light decay between R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle" is obtained by comparing the light decay rates of each sub-pixel at the viewing angle, and the maximum difference is the maximum difference in light decay rates between each sub-pixel.

[0073] In some embodiments, the greater the light attenuation of R sub-pixels 221, G sub-pixels 222, and B sub-pixels under the viewing angle, the larger the corresponding light-blocking angle. Thus, the light attenuation of R sub-pixels 221, G sub-pixels 222, and B sub-pixels under the viewing angle is directly proportional to the light-blocking angle. By comparing the light attenuation of R sub-pixels 221, G sub-pixels 222, and B sub-pixels under the viewing angle, it is easier to design the light-blocking angle of each sub-pixel so that the maximum difference in light attenuation among R sub-pixels 221, G sub-pixels 222, and B sub-pixels under an oblique viewing angle is less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0074] Optionally, in some embodiments, if the light attenuation of R sub-pixel 221 at the viewing angle is greater than that of G sub-pixel 222 and B sub-pixel at the viewing angle, then θ1 is greater than θ2 and θ3. In this way, the maximum difference in light attenuation among R sub-pixel 221, G sub-pixel 222, and B sub-pixel at the oblique viewing angle can be less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0075] Optionally, in some embodiments, if the light attenuation of G sub-pixel 222 at the viewing angle is greater than that of R sub-pixel 221 and B sub-pixel at the viewing angle, then θ2 is greater than θ1 and θ3. In this way, the maximum difference in light attenuation among R sub-pixel 221, G sub-pixel 222, and B sub-pixel at the oblique viewing angle can be less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0076] Optionally, in some embodiments, if the light attenuation of sub-pixel B under the viewing angle is greater than that of sub-pixel R 221 and sub-pixel G 222 under the viewing angle, then θ3 is greater than θ1 and θ2. In this way, the maximum difference in light attenuation among sub-pixels R 221, G 222, and B under the oblique viewing angle can be less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0077] It should be noted that the pixel definition layer 220 can be arranged in several ways. For example, as Figure 3 As shown, in some embodiments, the pixel definition layer 220 arranges multiple R sub-pixels 221, multiple G sub-pixels 222, and multiple B sub-pixels using a pentile pixel arrangement. This pentile pixel arrangement results in a larger spacing between the sub-pixels and a larger light-blocking angle θ for each sub-pixel, allowing for color shift optimization through adjustment of the larger light-blocking angle. The technical solution disclosed herein can control the color shift effect over a large viewing angle and optimize the color shift trajectory across the entire viewable field of view.

[0078] For example, in some embodiments, the pixel definition layer 220 arranges multiple R sub-pixels 221, multiple G sub-pixels 222, and multiple B sub-pixels using a real RGB pixel arrangement. This real RGB pixel arrangement results in smaller spacing between sub-pixels and smaller light-blocking angles θ for each sub-pixel, allowing for color shift optimization through adjustment of these smaller light-blocking angles. The technical solution disclosed herein can control the viewfinder color shift effect and optimize the viewfinder color shift trajectory across the entire viewable field of view.

[0079] The technical solution disclosed herein is not only applicable to the above pixel arrangement methods, but also includes other pixel arrangement methods, which can improve display quality.

[0080] It should be noted that the light-blocking angle of the sub-pixel is positively correlated with the distance between the inner edge of the touch trace 241 and the edge of the sub-pixel on the projection surface of the front 211, and negatively correlated with the distance between the inner edge of the touch trace 241 and the edge of the sub-pixel in the thickness direction.

[0081] like Figure 2 As shown, the light-blocking angle θ = arctan((D+d / 2) / (L+h)). Where D is the minimum distance between the inner edge of the touch trace 241 grid and the edge of the sub-pixel on the projection surface of the front 211, d is the width of the sub-pixel, L is the minimum distance between the inner edge of the touch trace 241 and the edge of the sub-pixel in the thickness direction of the display module 200, and h is the thickness of the touch trace 241.

[0082] Combination Figure 2 It is understood that the minimum spacing D on both sides of the sub-pixel is equal at least in the X-axis direction to ensure the consistency of display quality of the display module 200 in the X-axis direction.

[0083] In some embodiments, the shape of the inner hole of the grid is similar to the shape of the sub-pixel, and the distance between the inner edge of the grid of the touch trace 241 and the edge of the sub-pixel on the projection surface of the front 211 is D, so as to ensure the consistency of the display quality of the display module 200 at various angles.

[0084] Combination Figure 2 It is understood that the minimum spacing L on both sides of the sub-pixel is equal at least in the Z-axis direction to ensure the consistency of display quality of the display module 200 in the X-axis direction.

[0085] In some embodiments, the shape of the inner hole of the grid is similar to the shape of the sub-pixel, and the thickness of the touch trace 241 is uniform, as is the thickness of the sub-pixel. Thus, in the thickness direction of the display module 200, the distance between the inner edge of the grid of the touch trace 241 and the edge of the sub-pixel is L, so as to ensure the consistency of the display quality of the display module 200 at various angles.

[0086] Furthermore, the above-mentioned spacing should be interpreted broadly, and any spacing setting that can achieve the same or similar technical effects as this application falls within the protection scope of this application.

[0087] like Figure 2 As shown, the thickness direction of the display module is the Z-axis direction. The spacing D and d are in the X-axis direction.

[0088] like Figure 4 As shown, in some embodiments, on the front projection surface 211, the minimum distance between the inner edge of the first grid 242 and the edge of the R sub-pixel 221 is D1, the minimum distance between the inner edge of the second grid 243 and the edge of the G sub-pixel 222 is D2, and the minimum distance between the inner edge of the third grid 244 and the edge of the B sub-pixel is D3. At least two of D1, D2, and D3 are unequal, such that at least two of θ1, θ2, and θ3 are unequal, and the larger D1, D2, and D3 are, the larger the corresponding light-blocking angle. This allows for adjustment of the light-blocking angle of each sub-pixel by adjusting the touch trace 241 and the values ​​of D1, D2, and D3, so that the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle is less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200. This adjustment method is easy to implement and reduces the manufacturing difficulty of the display module 200.

[0089] In some embodiments, 2um≤D1≤12um, 2um≤D2≤12um, and 2um≤D3≤12um. This ensures the touch performance of the display module 200 while also improving the display quality of the display module 200 using the touch traces 241.

[0090] In some embodiments, 4um ≤ D1 ≤ 10um. And / or, 4um ≤ D2 ≤ 10um. And / or, 4um ≤ D3 ≤ 10um.

[0091] In some embodiments, 5um ≤ D1 ≤ 8um. And / or, 5um ≤ D2 ≤ 8um. And / or, 5um ≤ D3 ≤ 5um.

[0092] In some embodiments, D1 is one of 2um, 3um, 3.5um, 4um, 4.5um, 5um, 5.2um, 6um, 7um, 8um, 9um, 9.5um, 10um, 11um, 12um, etc.

[0093] In some embodiments, D2 is one of 2um, 3um, 3.5um, 4um, 4.5um, 5um, 5.2um, 6um, 7um, 8um, 9um, 9.5um, 10um, 11um, 12um, etc.

[0094] In some embodiments, D3 is one of 2um, 3um, 3.5um, 4um, 4.5um, 5um, 5.2um, 6um, 7um, 8um, 9um, 9.5um, 10um, 11um, 12um, etc.

[0095] like Figure 4 As shown, in some embodiments, on the front projection surface 211, when D2 is at its maximum, the maximum width of the touch trace of the second grid 243 is less than the maximum width of the touch trace of the first grid 242 and the maximum width of the touch trace of the third grid 244. Thus, by adjusting the width of the second grid 243 formed by the touch trace 241 to increase D2, the light-blocking angle of the G sub-pixel 222 can be increased, making the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0096] Similarly, in other embodiments, on the front projection surface of the front face 211, when D1 is at its maximum, the maximum width of the touch trace of the first grid 242 is less than the maximum width of the touch trace of the second grid 243 and the maximum width of the touch trace of the third grid 244. Thus, by adjusting the width of the touch trace 241 forming the first grid 242 to increase D1, the light-blocking angle of the R sub-pixel 221 can be increased, making the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0097] In other embodiments, on the front projection surface 211, when D3 is at its maximum, the maximum width of the touch traces in the third grid 244 is less than the maximum width of the touch traces in the first grid 242 and the maximum width of the touch traces in the second grid 243. Thus, by adjusting the width of the touch traces 241 forming the third grid 244 to increase D3, the light-blocking angle of the B sub-pixel can be increased, making the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0098] Understandably, if the first grid 242, the second grid 243, and the third grid 244 are not collinear, the spacing D can be adjusted by changing the width of the touch traces forming the grid without changing the external size of the first grid 242, the second grid 243, and the third grid 244. This can reduce the difficulty of arranging the touch traces 241.

[0099] If the first grid 242, the second grid 243, and the third grid 244 are collinear, the spacing D can be adjusted by changing the width of the touch traces forming the grid, while minimizing changes to the external size of the first grid 242, the second grid 243, and the third grid 244. This reduces the difficulty of arranging the touch traces 241.

[0100] like Figure 5 As shown, in some embodiments, on the front projection surface of the front side 211, when D2 is at its maximum, the inner hole area of ​​the second grid 243 is greater than the inner hole area of ​​the first grid 242 and the inner hole area of ​​the third grid 244. Thus, by adjusting the width of the third grid 244 formed by the touch trace 241, D3 is increased, thereby increasing the light-blocking angle of the B sub-pixel. This ensures that the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle is less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0101] Similarly, in other embodiments, on the front projection surface of the front 211, when D1 is at its maximum, the inner hole area of ​​the first grid 242 is greater than the inner hole area of ​​the second grid 243 and the inner hole area of ​​the third grid 244. Thus, by adjusting the width of the third grid 244 formed by the touch trace 241, D3 is increased, thereby increasing the light-blocking angle of the B sub-pixel. This ensures that the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle is less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0102] In other embodiments, on the front projection surface of the front face 211, when D3 is at its maximum, the inner hole area of ​​the third grid 244 is greater than the inner hole area of ​​the first grid 242 and the inner hole area of ​​the second grid 243. Thus, by adjusting the width of the third grid 244 formed by the touch trace 241 to increase D3, the light-blocking angle of the B sub-pixel can be increased, making the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200.

[0103] Understandably, by changing the overall size of the grid to adjust the spacing D, the width of the touch traces in the first grid 242, the second grid 243, and the third grid 244 can be maintained without changing the touch sensitivity.

[0104] like Figure 6 As shown, in some embodiments, in the thickness direction of the display module 200, the minimum vertical distance between the inner edge of the first grid 242 and the edge of the R sub-pixel 221 is L1, the minimum vertical distance between the inner edge of the second grid 243 and the edge of the G sub-pixel 222 is L2, and the minimum vertical distance between the inner edge of the third grid 244 and the edge of the B sub-pixel is L3. At least two of L1, L2, and L3 are unequal, such that at least two of θ1, θ2, and θ3 are unequal, and the smaller L1, L2, and L3 are, the larger the corresponding light-blocking angle. Thus, the light-blocking angle of each sub-pixel can be adjusted by adjusting the sizes of L1, L2, and L3, so that the maximum difference in light attenuation between the R sub-pixel 221, G sub-pixel 222, and B sub-pixel at an oblique viewing angle is less than or equal to a first threshold. This effectively improves the viewing angle distortion problem and enhances the display quality of the display module 200. This adjustment method is easy to implement and reduces the manufacturing difficulty of the display module 200.

[0105] like Figure 6 As shown, L2 is greater than L1 and L3, so that the light-blocking angle of G sub-pixel 222 is less than the light-blocking angle of R sub-pixel 221 and the light-blocking angle of B sub-pixel.

[0106] In some embodiments, the encapsulation layer is an IJP layer. This allows for different thicknesses of the encapsulation layer through inkjet printing technology, such that the encapsulation layer thickness between the first grid 242 and R sub-pixel 221, the encapsulation layer thickness between the second grid 243 and G sub-pixel 222, and the encapsulation layer thickness between the third grid 244 and B sub-pixel are different, thereby facilitating the adjustment of the sizes of L1, L2, and L3.

[0107] In some embodiments, an optical adhesive layer, a buffer layer, an anti-reflective coating, a pressure-sensitive layer, and a light guide layer are also sandwiched between the encapsulation layer and the touch layer 240.

[0108] like Figure 6 As shown, in some embodiments, the substrate 245 of the touch layer 240 has a polarizing function. Thus, the substrate 245 of the touch layer 240 is integrally formed with the polarizer. That is, the polarizer and the touch layer 240 share the same substrate 245, which is beneficial for achieving a thinner and lighter display module 200.

[0109] Furthermore, the thickness of the encapsulation layer between the first grid 242 and the R sub-pixel 221 is H1, the thickness of the encapsulation layer between the second grid 243 and the G sub-pixel 222 is H2, and the thickness of the encapsulation layer between the third grid 244 and the B sub-pixel is H3. Wherein, L1=H1, L2=H2, and L3=H3. Thus, by adjusting the thickness of the encapsulation layer, the sizes of L1, L2, and L3 can be adjusted, which helps to reduce the manufacturing difficulty of the display module 200.

[0110] In some embodiments, 9um≤L1≤15um, 9um≤L2≤15um, and 9um≤L3≤15um. This ensures the thickness of the encapsulation layer to protect the pixel definition layer 220, while also improving the display quality of the display module 200 by adjusting the spacing in the thickness direction between the touch layer 240 and the sub-pixels.

[0111] In some embodiments, 10um ≤ L1 ≤ 14um, and / or, 10um ≤ L2 ≤ 14um, and / or, 10um ≤ L3 ≤ 14um.

[0112] In some embodiments, 9um ≤ L1 ≤ 12um. And / or, 9um ≤ L2 ≤ 12um. And / or, 9um ≤ L3 ≤ 12um.

[0113] In some embodiments, L1 is one of 9um, 9.5um, 10um, 10.2um, 10.5um, 11um, 12um, 13um, 13.5um, 14um, 14.5um, 15um, etc.

[0114] In some embodiments, L2 is one of 9um, 9.5um, 10um, 10.2um, 10.5um, 11um, 12um, 13um, 13.5um, 14um, 14.5um, 15um, etc.

[0115] In some embodiments, L3 is one of 9um, 9.5um, 10um, 10.2um, 10.5um, 11um, 12um, 13um, 13.5um, 14um, 14.5um, 15um, etc.

[0116] It should be noted that the light-transmitting cover 250 can be made of various materials. In some embodiments, the light-transmitting cover 250 includes a glass cover.

[0117] It should be noted that the terms D1, D2, D3, L1, L2, L3, and the light-blocking angle mentioned above can be explained with reference to the attached diagram.

[0118] In conjunction with any of the above embodiments, in some embodiments, the pixel definition layer further includes a microcavity structure (not shown). Thus, by adjusting the microcavity structure, the maximum difference in light attenuation between R sub-pixels, G sub-pixels, and B sub-pixels at oblique viewing angles can be further reduced, thereby further improving color shift issues and enhancing the display quality of the display module.

[0119] It should be noted that the microcavity structure can improve the light decay of sub-pixels by changing properties such as refractive index and light transmittance. Combined with the optimization of the light blocking angle, it can further improve the color shift problem and enhance the display quality of the display module.

[0120] Optionally, the display module disclosed herein includes an OLED screen.

[0121] The electronic devices disclosed herein include ranging devices, scanning devices, shooting devices, handheld devices, wearable devices (e.g., smartwatches), monitoring devices, cellular phones, smartphones, tablet computers, laptop computers, in-vehicle computers, and other devices with display functions.

[0122] Reference Figure 7 As shown, in some embodiments, the electronic device 10 further includes at least one or more of the following components: a processing component 11, a memory 12, a power supply component 13, a multimedia component 14, an audio component 15, an input / output interface 16, a sensor component 17, and a communication component 18.

[0123] Processing components typically control the overall operation of electronic devices, such as operations associated with display, telephone calls, data communication, camera operation, and recording. A processing component includes at least one or more processors to execute instructions to complete all or part of the steps described above. Furthermore, a processing component includes at least one or more modules to facilitate interaction between the processing component and other components. For example, a processing component may include at least a multimedia module to facilitate interaction between multimedia components and the processing component.

[0124] Memory is configured to store various types of data to support the operation of electronic devices. Examples of this data include instructions for any application or method used to operate on the electronic device, contact data, phonebook data, messages, pictures, videos, etc. Memory can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory, read-only memory, magnetic storage, flash memory, disk, or optical disk.

[0125] Power supply components provide power to various components of electronic devices. A power supply component includes at least a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to electronic devices.

[0126] The multimedia component includes the display module of this disclosure, facilitating human-computer interaction. If the display module includes a touch panel, the display module can be implemented as a touchscreen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensors can sense not only the boundaries of touch or swipe actions but also the duration and pressure associated with the touch or swipe operation. In some embodiments, the multimedia component includes a front-facing camera and / or a rear-facing camera. When the electronic device is in an operating mode, such as a shooting mode or a video mode, the front-facing camera and / or the rear-facing camera can receive external multimedia data. Each front-facing camera and rear-facing camera can be a fixed optical lens system or have focal length and optical zoom capabilities.

[0127] The audio component is configured to output and / or input audio signals. For example, the audio component includes a microphone (MIC) configured to receive external audio signals when the electronic device is in an operating mode, such as call mode, recording mode, or voice recognition mode. The received audio signals may be further stored in memory or transmitted via a communication component. In some embodiments, the audio component also includes a speaker for outputting audio signals.

[0128] The input / output interface provides an interface between the processing component and the peripheral interface module, which can be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.

[0129] The sensor assembly includes one or more sensors for providing state assessments of various aspects of the electronic device. For example, the sensor assembly can detect the on / off state of the electronic device, the relative positioning of components such as the display and keypad of the electronic device, changes in the position of the electronic device or a component of the electronic device, the presence or absence of user contact with the electronic device, the orientation or acceleration / deceleration of the electronic device, and temperature changes of the electronic device. The sensor assembly includes at least a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly also includes at least a photosensitizing element, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly also includes at least an accelerometer, a gyroscope, a magnetometer, a pressure sensor, or a temperature sensor.

[0130] The communication component is configured to facilitate wired or wireless communication between electronic devices and other devices. The electronic device can access wireless networks based on communication standards, such as WiFi, 2G, 3G, 4G, or 6G, or combinations thereof. In one exemplary embodiment, the communication component receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component also includes a Near Field Communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra-Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

[0131] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0132] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0133] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, and they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0134] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0135] It should be noted that when a component is referred to as "fixed to," "set on," "fixed to," or "mounted on" another component, it can be directly on the other component or there may be an intervening component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intervening component.

[0136] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0137] The above embodiments are merely illustrative of several implementation methods of this disclosure, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of this disclosure, and these modifications and improvements all fall within the protection scope of this disclosure.

Claims

1. A display module, characterized in that, include: Drive back panel, including the front; The pixel definition layer includes a plurality of R sub-pixels, a plurality of G sub-pixels, and a plurality of B sub-pixels spaced apart on the front side; An encapsulation layer covers the pixel definition layer and is positioned opposite to the front side; A touch layer covers the encapsulation layer and is disposed opposite to the pixel definition layer. The touch layer includes touch traces, and the touch traces are provided with a first grid corresponding to each of the R sub-pixels, a second grid corresponding to each of the G sub-pixels, and a third grid corresponding to each of the B sub-pixels. as well as A light-transmitting cover plate covers the touch layer and is disposed opposite to the touch layer; In the front projection surface, the R sub-pixel is disposed in the first grid, the G sub-pixel is disposed in the second grid, and the B sub-pixel is disposed in the third grid; the light-blocking angle of the R sub-pixel is θ1, the light-blocking angle of the G sub-pixel is θ2, and the light-blocking angle of the B sub-pixel is θ3, and at least two of θ1, θ2, and θ3 are not equal, so that the maximum difference in light attenuation between the R sub-pixel, the G sub-pixel, and the B sub-pixel at the oblique viewing angle is less than or equal to a first threshold.

2. The display module according to claim 1, characterized in that, The first threshold is 0 to 5%.

3. The display module according to claim 1, characterized in that, The greater the light attenuation of the R sub-pixel, the G sub-pixel, and the B sub-pixel under the viewing angle, the larger the corresponding light blocking angle. And / or, the pixel definition layer may also include microcavity structures.

4. The display module according to claim 1, characterized in that, If the light decay of the R sub-pixel under the viewing angle is greater than that of the G sub-pixel and the B sub-pixel under the viewing angle, then θ1 is greater than θ2 and θ3. Alternatively, if the light decay of the G sub-pixel under the viewing angle is greater than the light decay of the R sub-pixel and the light decay of the B sub-pixel under the viewing angle, then θ2 is greater than θ1 and θ3. Alternatively, if the light decay of the B sub-pixel under the viewing angle is greater than the light decay of the R sub-pixel and the light decay of the G sub-pixel under the viewing angle, then θ3 is greater than θ1 and θ2.

5. The display module according to claim 1, characterized in that, The pixel definition layer arranges multiple R sub-pixels, multiple G sub-pixels, and multiple B sub-pixels using a pentile pixel arrangement.

6. The display module according to claim 1, characterized in that, The pixel definition layer arranges multiple R sub-pixels, multiple G sub-pixels, and multiple B sub-pixels using a real RGB pixel arrangement.

7. The display module according to any one of claims 1 to 6, characterized in that, On the front projection plane, the minimum distance between the inner edge of the first grid and the edge of the R sub-pixel is D1, the minimum distance between the inner edge of the second grid and the edge of the G sub-pixel is D2, and the minimum distance between the inner edge of the third grid and the edge of the B sub-pixel is D3; wherein, at least two of D1, D2, and D3 are not equal, such that at least two of θ1, θ2, and θ3 are not equal, and the larger D1, D2, and D3 are, the larger the corresponding light blocking angle is; And / or, in the thickness direction of the display module, the minimum vertical distance between the inner edge of the first grid and the edge of the R sub-pixel is L1, the minimum vertical distance between the inner edge of the second grid and the edge of the G sub-pixel is L2, and the minimum vertical distance between the inner edge of the third grid and the edge of the B sub-pixel is L3; wherein at least two of L1, L2, and L3 are not equal, such that at least two of θ1, θ2, and θ3 are not equal, and the smaller L1, L2, and L3 are, the larger the corresponding light blocking angle is.

8. The display module according to claim 7, characterized in that, 2um≤D1≤12um, 2um≤D2≤12um, 2um≤D3≤12um.

9. The display module according to claim 7, characterized in that, On the front projection surface, when D1 is at its maximum, the maximum width of the touch trace of the first grid is less than the maximum width of the touch trace of the second grid and the maximum width of the touch trace of the third grid. Alternatively, on the front projection surface, when D2 is at its maximum, the maximum width of the touch trace of the second grid is less than the maximum width of the touch trace of the first grid and the maximum width of the touch trace of the third grid. Alternatively, on the front projection plane, when D3 is at its maximum, the maximum width of the touch trace of the third grid is less than the maximum width of the touch trace of the first grid and the maximum width of the touch trace of the second grid.

10. The display module according to claim 7, characterized in that, On the front projection plane, when D1 is at its maximum, the inner hole area of ​​the first grid is greater than the inner hole area of ​​the second grid and the inner hole area of ​​the third grid. Alternatively, on the front projection plane, when D2 is at its maximum, the inner hole area of ​​the second grid is greater than the inner hole area of ​​the first grid and the inner hole area of ​​the third grid. Alternatively, on the front projection plane, when D3 is at its maximum, the inner hole area of ​​the third grid is greater than the inner hole area of ​​the first grid and the inner hole area of ​​the second grid.

11. The display module according to claim 7, characterized in that, The encapsulation layer is an IJP layer; And / or, the substrate of the touch layer has a polarizing function, the thickness of the encapsulation layer between the first grid and the R sub-pixel is H1, the thickness of the encapsulation layer between the second grid and the G sub-pixel is H2, and the thickness of the encapsulation layer between the third grid and the B sub-pixel is H3; wherein, L1=H1, L2=H2, L3=H3; And / or, 9um≤L1≤15um, 9um≤L2≤15um, 9um≤L3≤15um.

12. An electronic device, characterized in that, It includes a housing assembly and a display module as described in any one of claims 1 to 11, wherein the display module is disposed on the housing assembly.

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