Display panel and display device

Abstract

This application provides a display panel and a display device. The display panel includes a first light-shielding pattern, a second light-shielding pattern, and a third light-shielding pattern. The first light-shielding pattern has a first opening and a second opening. The second light-shielding pattern has a third opening corresponding to a privacy unit. The third light-shielding pattern has a fourth opening corresponding to a privacy unit. In the adjacent non-privacy unit and privacy unit of this application, the privacy unit has a first light-emitting point on the side away from the non-privacy unit. The second opening has a first dimming point on the side close to the first opening. The extension line of the connecting line between the first light-emitting point and the first dimming point overlaps with the third light-shielding pattern. This avoids large-angle light emitted by the privacy unit from being exported between the first light-shielding pattern and the second light-shielding pattern, improves the difference in viewing angle brightness attenuation in different directions of the display panel, and solves the problem of viewing angle symmetry in the display panel after synthesizing white light.

Description

Technical Field

[0001] This application relates to the field of display technology, and more particularly to a display panel and display device. Background Technology

[0002] OLED (Organic Light-Emitting Diode) displays are widely used due to their self-emissive nature and flexibility. To achieve privacy protection, existing OLED displays use both privacy-protecting and non-privacy-protecting pixels. Privacy protection is achieved by blocking light from the privacy-protecting pixels across a wide viewing angle, combined with different display modes. However, in practical use, it has been found that brightness attenuation varies depending on the viewing angle, resulting in a viewing angle symmetry problem after synthesizing white light. Summary of the Invention

[0003] This application provides a display panel and a display device to solve the technical problem that existing display panels have different display effects at different viewing angles.

[0004] This application discloses a display panel comprising: Substrate; A light-emitting layer is disposed on one side of the substrate, and the light-emitting layer includes a non-peeping unit and a peeping unit; A first light-shielding pattern is disposed on the side of the light-emitting layer away from the substrate. The first light-shielding pattern has a first opening and a second opening. The first opening corresponds to the non-spy unit, and the second opening corresponds to the spy unit. The second light-shielding pattern is disposed on the side of the first light-shielding pattern away from the substrate, and the second light-shielding pattern has a third opening corresponding to the privacy unit; A third light-blocking pattern is disposed between the first light-blocking pattern and the second light-blocking pattern, and the third light-blocking pattern has a fourth opening corresponding to the privacy unit; Among them, for the non-peeping unit and the peeping unit arranged adjacent to each other, the peeping unit has a first light-emitting point on the side away from the non-peeping unit, the second opening has a first dimming point on the side close to the first opening, and the extension line of the line connecting the first light-emitting point and the first dimming point overlaps with the third light-shielding pattern.

[0005] This application provides a display device, which includes the display panel described above.

[0006] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0007] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0008] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0009] Figure 1 This is a first structural diagram of the display panel of this application.

[0010] Figure 2 This is a structural diagram of the first and second light-emitting groups in the display panel of this application.

[0011] Figure 3 This is a film layer diagram of the display panel of this application.

[0012] Figure 4 for Figure 2 The first type of cross-sectional view of the mid-section MM.

[0013] Figure 5 for Figure 2 The second cross-sectional view of the midsection MM.

[0014] Figure 6 for Figure 2 The structural diagram of the first light-emitting group.

[0015] Figure 7 for Figure 2 The structural diagram of the second light-emitting group.

[0016] Figure 8 for Figure 2 The third type of cross-section of section MM.

[0017] Figure 9 for Figure 2 The fourth cross-sectional view of the mid-section MM.

[0018] Figure 10 for Figure 2 The fifth cross-sectional view of the mid-section MM. Detailed Implementation

[0019] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0020] Please see Figures 1 to 10 This application proposes a display panel 100, which includes a substrate 110, a light-emitting layer ELa disposed on one side of the substrate 110, a first light-shielding pattern 510 disposed on the side of the light-emitting layer ELa away from the substrate 110, and a second light-shielding pattern 520 disposed on the side of the first light-shielding pattern 510 away from the substrate 110.

[0021] In this embodiment, the light-emitting layer ELa includes a non-peeping unit P1 and a peeping unit P2; the first light-shielding pattern 510 has a first opening 511 and a second opening 512, the first opening 511 corresponds to the non-peeping unit P1, and the second opening 512 corresponds to the peeping unit P2; the second light-shielding pattern 520 corresponds to the peeping unit P2 and has a third opening 521; in the top view, the peeping unit P2 is located in the third opening 521, and the sidewall of the third opening 521 is spaced apart from the peeping unit P2.

[0022] In this embodiment, for the adjacent non-peeping unit P1 and the peeping unit P2, the non-peeping unit P1 has a first light-emitting point A2 on the side away from the peeping unit P2, the second opening 512 has a first dimming point B2 on the side close to the first opening 511, and the extension line LT2 of the connecting line of the first light-emitting point A2 and the first dimming point B2 overlaps with the third light-shielding pattern 540.

[0023] It should be noted that when the distance between the first light-blocking pattern 510 and the third light-blocking pattern 540 is large, the third light-blocking pattern 540 cannot block the wide-angle light from the privacy unit P2, resulting in light leakage from the privacy unit P2 at wide viewing angles. This leads to a poor privacy protection effect of the display panel 100. For example, please refer to... Figure 4 .

[0024] This application improves the privacy effect of the display panel 100 by having the privacy unit P2 have a first light-emitting point A2 on the side away from the non-privacy unit P1 and a first dimming point B2 on the side close to the first opening 511 in the adjacent non-privacy unit P1 and privacy unit P2, and the extension line LT2 of the line connecting the first light-emitting point A2 and the first dimming point B2 overlaps with the third light-shielding pattern 540. This avoids the large-angle light emitted by the privacy unit P2 from being led out between the first light-shielding pattern 510 and the second light-shielding pattern 540, improves the technical problem of light leakage of the privacy unit P2 at large viewing angles, and improves the privacy effect of the display panel 100. At the same time, it improves the difference in viewing angle brightness attenuation in different directions in the display panel 100 and solves the problem of viewing angle symmetry in the display panel 100 after synthesizing white light.

[0025] It should be noted that both the non-peeping unit P1 and the peeping unit P2 in this application are light-emitting units in the light-emitting layer ELa.

[0026] The technical solution of this application will now be described in conjunction with specific embodiments.

[0027] Please see Figure 1 The display panel 100 includes a display area AA and a non-display area NA adjacent to the display area AA. The display area AA contains multiple rows of sub-pixels. Optionally, the non-display area NA surrounds the display area AA, so that the display area AA is surrounded by the non-display area NA. The display area AA is the area within the display panel 100 used for display functions, and it contains multiple display units that implement its display functions. The non-display area NA may be a border area of ​​the display panel 100, and it may contain functional components that assist the display units within the display area AA in displaying information.

[0028] Please see Figure 1 A bonding area 400 is provided on the lower side of the display area AA. The bonding terminals in the bonding area 400 can be connected to external circuits. The bonding terminals transmit the signals input from the external circuits to the data lines, thereby driving the display panel 100 to display the image. For example, the bonding terminals can be bonded to chips or flip-chip films to provide power and drive signals to the display panel 100.

[0029] Please see Figure 2 The light-emitting layer ELa may include multiple first light-emitting groups RU1 and multiple second light-emitting groups RU2.

[0030] The first light-emitting group RU1 includes multiple light-emitting units, which can be a first non-peeping unit P1R, a second non-peeping unit P1G, and a third non-peeping unit P1B with different light-emitting colors. The first non-peeping unit P1R, the second non-peeping unit P1G, and the third non-peeping unit P1B can all be the non-peeping unit P1.

[0031] The second light-emitting group RU2 includes multiple light-emitting units, which can be a first privacy unit P2R, a second privacy unit P2G, and a third privacy unit P2B with different light-emitting colors, and the first privacy unit P2R, the second privacy unit P2G, and the third privacy unit can all be the privacy unit P2.

[0032] Please see Figure 2 The first light-emitting group RU1 and the second light-emitting group RU2 are arranged alternately along the first direction X, and the first light-emitting group RU1 and the second light-emitting group RU2 are also arranged alternately along the second direction Y.

[0033] It should be noted that the arrangement of the first light-emitting group RU1 and the second light-emitting group RU2 in this application is not limited to... Figure 2 This is merely an illustration of an example.

[0034] In this embodiment, the first direction X and the second direction Y intersect, for example, the angle between the first direction X and the second direction Y is 90 degrees. The first direction X can be a row direction, and the second direction Y can be a column direction.

[0035] In this embodiment, the first privacy unit P2R and the first non-privacy unit P1R emit the same color, the second privacy unit P2G and the second non-privacy unit P1G emit the same color, and the third privacy unit P2B and the third non-privacy unit P1B emit the same color. For example, the first privacy unit P2R and the first non-privacy unit P1R may both emit one of red, blue, and green; the second privacy unit P2G and the second non-privacy unit P1G may both emit another of red, blue, and green; and the third privacy unit P2B and the third non-privacy unit P1B may both emit one of red, blue, and green that is different from the emission color of the first privacy unit P2R and the second privacy unit P2G.

[0036] In this embodiment, the light emission decay rate of the second privacy unit P2G is greater than that of the first privacy unit P2R, and the light emission decay rate of the third privacy unit P2B is greater than that of the second privacy unit P2G.

[0037] In this embodiment, since the first privacy unit P2R and the first non-privacy unit P1R emit the same color, the second privacy unit P2G and the second non-privacy unit P1G emit the same color, and the third privacy unit P2B and the third non-privacy unit P1B emit the same color, therefore, the first privacy unit P2R and the first non-privacy unit P1R emit the same light emission decay rate, the second privacy unit P2G and the second non-privacy unit P1G emit the same light emission decay rate, and the third privacy unit P2B and the third non-privacy unit P1B emit the same light emission decay rate.

[0038] In this embodiment, the first privacy unit P2R and the first non-privacy unit P1R can both emit red light, the second privacy unit P2G and the second non-privacy unit P1G can both emit green light, and the third privacy unit P2B and the third non-privacy unit P1B can both emit blue light.

[0039] Please see Figure 2In the plurality of first light-emitting groups RU1 and plurality of second light-emitting groups RU2 in the second direction Y, the first privacy unit P2R and the second privacy unit P2G are arranged along the second direction Y and located in the first column, the first non-privacy unit P1R and the second non-privacy unit P1G are arranged along the second direction Y and located in the first column, and the third privacy unit P2B and the third non-privacy unit P1B are arranged at intervals along the second direction Y and are both located in the second column; that is, the first column of this application can be red light-emitting units and green light-emitting units arranged alternately in the second direction Y, and the second column of this application can be all blue light-emitting units.

[0040] It should be noted that, for the arrangement of the non-spy unit P1 and the spy unit P2, this application can also use an SPR arrangement; the following embodiments use realRGB as an example for illustration.

[0041] Please see Figure 2 In the first light-emitting group RU1, all light-emitting units are non-peeping units P1, and in the second light-emitting group RU2, all light-emitting units are peeping units P2. In sharing mode, peeping units P2 and non-peeping units P1 emit light. In peeping mode, peeping units P2 emit light, and non-peeping units P1 do not emit light, so as to achieve peeping display.

[0042] In this embodiment, since the privacy unit P2 and the non-privacy unit P1 are both surrounded by a first light-blocking pattern 510, and the privacy unit P2 is surrounded by a second light-blocking pattern 520, the light emission angle of the non-privacy unit P1 is controlled by the first light-blocking pattern 510. The first light-blocking pattern 510 and the second light-blocking pattern 520 block the light from the privacy unit P2 at a wide viewing angle and a relatively large viewing angle, so as to achieve 360-degree omnidirectional privacy protection for the display panel 100.

[0043] For example, in the first direction X, at a viewing angle of 30 degrees to 45 degrees, the brightness of the privacy unit P2 is 1% to 10% of the brightness of the normal viewing angle (which can be regarded as a 0-degree viewing angle); at a viewing angle of 60 degrees, the brightness of the non-privacy unit P1 is 20% to 30% of the brightness of the normal viewing angle (which can be regarded as a 0-degree viewing angle).

[0044] Specifically, when the privacy unit P2 is provided with a first light-blocking pattern 510 and a second light-blocking pattern 520 in the second direction Y, the brightness of the privacy unit P2 in the second direction Y, at a viewing angle of 30 degrees to 45 degrees, is 1% to 10% of the brightness of the normal viewing angle (which can be regarded as a 0-degree viewing angle).

[0045] It should be noted that this application uses the example of each light-emitting unit being circular in shape for illustration, but the embodiments of this application are not limited to this. The shape of the light-emitting unit can be square or polygonal, and the shape of the privacy unit P2 can be the same as or different from the shape of the non-privacy unit P1.

[0046] The film layer of the display panel 100 of this application is described below.

[0047] Please see Figure 3 The display area AA and non-display area NA of the display panel 100 may be provided with a substrate 110 and an array driving layer 120 disposed on the substrate 110; within the display area AA, the display panel 100 may also be provided with a pixel definition layer PDL disposed on the array driving layer 120, a light-emitting device layer EL disposed on the same layer as the pixel definition layer PDL, an encapsulation layer TFE disposed on the pixel definition layer PDL, a touch layer TL disposed on the encapsulation layer TFE, a dimming composite layer DL disposed on the touch layer TL, and a cover layer CG disposed on the dimming composite layer DL.

[0048] In this embodiment, the substrate 110 supports various layers disposed on the substrate 110. When the display panel 100 is a bottom-emitting light-emitting display device or a double-sided light-emitting display device, a transparent substrate is used. When the display panel 100 is a top-emitting light-emitting display device, a semi-transparent or opaque substrate, as well as a transparent substrate, can be used.

[0049] In this embodiment, the substrate 110 may be made of an insulating material such as glass, quartz, or polymer resin. The substrate 110 may be a rigid substrate or a flexible substrate that can be bent, folded, rolled, etc. Examples of flexible materials for flexible substrates include, but are not limited to, polyimide.

[0050] In this embodiment, the substrate 110 may include a first flexible substrate, a first barrier layer, a second flexible substrate, and a second barrier layer stacked together. The first flexible substrate and the second flexible substrate may be formed of the same material, such as polyimide, and the first barrier layer and the second barrier layer may be formed of an inorganic material, for example, including at least one of SiOx and SiNx.

[0051] Please see Figure 3 The array driving layer 120 may include multiple thin-film transistors. The thin-film transistors may be etch-block type, back-channel etch type, or classified into bottom-gate thin-film transistors, top-gate thin-film transistors, etc., according to the position of the gate and the active layer, or classified into N-type thin-film transistors and P-type thin-film transistors according to their performance.

[0052] Please see Figure 3The array driving layer 120 may include a light-shielding layer 121 disposed on the substrate 110, a buffer layer 122 disposed on the light-shielding layer 121, a first active layer 123 disposed on the buffer layer 122, a first insulating layer 124 disposed on the first active layer 123, a first gate layer 125 disposed on the first insulating layer 124, a second insulating layer 126 disposed on the first gate layer 125, a second gate layer 127 disposed on the second insulating layer 126, a third insulating layer 128 disposed on the second gate layer 127, and a second active layer 127 disposed on the third insulating layer 128. 9. A fourth insulating layer 130 disposed on the second active layer 129, a third gate layer 131 disposed on the fourth insulating layer 130, a fifth insulating layer 132 disposed on the third gate layer 131, a first source-drain layer 133 disposed on the fifth insulating layer 132, a first planarization layer 134 disposed on the first source-drain layer 133, a second source-drain layer 135 disposed on the first planarization layer 134, a second planarization layer 136 disposed on the second source-drain layer 135, a light-emitting device layer and a pixel definition layer disposed on the second planarization layer 136, and an encapsulation layer disposed on the pixel definition layer.

[0053] Please see Figure 3 The light-shielding layer 121 is disposed on the second barrier layer. The light-shielding layer 121 is used to block external light from entering the thin film transistor from the bottom. The material of the light-shielding layer 121 can be made of black light-shielding material, such as black light-shielding metal or black organic material.

[0054] Please see Figure 3 A buffer layer 122 is disposed on the light-shielding layer 121. The buffer layer 122 is used to isolate the light-shielding layer 121 from the upper metal material. The material of the buffer layer 122 may be composed of a compound consisting of nitrogen, silicon and oxygen elements, such as a single layer of silicon oxide film or a stacked structure of silicon oxide and silicon nitride.

[0055] In this embodiment, the light-shielding layer 121 can also be embedded within the buffer layer 122.

[0056] Please see Figure 3 The first active layer 123 is disposed on the buffer layer 122, and the second active layer 129 is disposed on the third insulating layer 128. In this application, the material of the first active layer 123 can be silicon semiconductor, such as low temperature polycrystalline silicon, and the material of the second active layer 129 can be oxide semiconductor, such as metal oxide.

[0057] Please see Figure 3The first insulating layer 124, the second insulating layer 126, the third insulating layer 128, the fourth insulating layer 130, and the fifth insulating layer 132 are respectively disposed on the corresponding metal layer or semiconductor layer, so that the metal layer or semiconductor layer of different layers is disposed separately; the materials of the first insulating layer 124, the second insulating layer 126, the third insulating layer 128, the fourth insulating layer 130, and the fifth insulating layer 132 can be inorganic materials composed of at least two elements in silicon oxynitride or organic materials with planarity, or they can be stacked single or multiple film layers, such as silicon oxide, silicon nitride, aluminum oxide, etc. stacked structure.

[0058] Please see Figure 3 The first gate layer 125, the second gate layer 127, and the third gate layer 131 are respectively disposed on the corresponding insulating layer. The materials of the first gate layer 125, the second gate layer 127, and the third gate layer 131 can be metals such as Cr, W, Ti, Ta, Mo, Al, and Cu, or single-layer or multi-layer metal structures composed of at least two of the above metals.

[0059] Please see Figure 3 The first source-drain layer 133 is disposed on the fifth insulating layer 132, and the second source-drain layer 135 is disposed on the first planarization layer 134. The materials of the first source-drain layer 133 and the second source-drain layer 135 can be metals such as Cr, W, Ti, Ta, Mo, Al, Cu, or single-layer or multi-layer metal structures composed of at least two of the above metals.

[0060] Please see Figure 3 The first planarization layer 134 and the second planarization layer 136 are laid in a whole layer to ensure the flatness of the film layer of the array driving layer 120. The materials of the first planarization layer 134 and the second planarization layer 136 can be inorganic materials composed of silicon oxynitride, or organic materials with flatness, such as flexible materials such as polytetrafluoroethylene.

[0061] It should be noted that this application uses a combination of oxide semiconductor transistors and silicon semiconductor transistors as an example to illustrate the structure of the array driving layer 120 of this application; the array driving layer 120 of this application may also have only one of oxide semiconductor transistors and silicon semiconductor transistors.

[0062] It should be noted that the number of source and drain layers in this application can be set as needed. For example, this application has two source and drain layers, or it can have three source and drain layers. Similarly, the number of the three metal layers, the first gate layer 125, the second gate layer 127, and the third gate layer 131, can be set as needed.

[0063] Please see Figure 3The display panel 100 may further include an anode layer AN disposed on the second planarization layer 136, a light-emitting layer ELa disposed on the anode layer AN, and a cathode layer CA disposed on the light-emitting layer ELa. The anode layer AN includes a plurality of anodes, the pixel definition layer PDL includes a plurality of pixel openings corresponding one-to-one with the plurality of anodes, and each pixel opening exposes the upper surface of one of the anodes. The light-emitting layer ELa may include a plurality of light-emitting pixels corresponding one-to-one with the plurality of anodes.

[0064] In this embodiment, the pixel definition layer (PDL) may consist of only one film layer, which can be a transparent material or contain a light-blocking material; alternatively, the PDL may consist of two film layers. For example, the PDL may include a first pixel definition layer and a second pixel definition layer, where the transmittance of the first pixel definition layer is greater than that of the second pixel definition layer. Both the first and second pixel definition layers are formed using light-transmitting photoresist, the difference being that the second pixel definition layer contains a light-blocking material. The hydrophilicity of the first pixel definition layer may be greater than that of the second pixel definition layer. The positions of the first and second pixel definition layers can be set as needed.

[0065] Please see Figure 3 The encapsulation layer TFE covers the pixel definition layer PDL and continuously covers multiple pixel openings and multiple light-emitting pixels; wherein, the encapsulation layer TFE may include at least a first inorganic encapsulation layer TFE1, a first organic encapsulation layer TFE2 and a second inorganic encapsulation layer TFE3 stacked on the pixel definition layer PDL.

[0066] In this embodiment, the thickness of the first inorganic encapsulation layer TFE1 ranges from 1 micrometer to 1.5 micrometers; the thickness of the first organic encapsulation layer TFE2 ranges from 7 micrometers to 11 micrometers; and the thickness of the second inorganic encapsulation layer TFE3 ranges from 0.6 micrometers to 0.8 micrometers.

[0067] Please see Figure 3 The touch layer TL includes a first touch insulating layer TL1, a first touch metal layer TL2, a second touch insulating layer TL3, and a second touch metal layer TL4. However, the embodiments of this application are not limited to this. The number of touch metal layers and touch insulating layers can be other numbers, and the order of the film layers of touch metal layers and touch insulating layers can be other orders. For example, the touch layer TL can also include a third touch insulating layer TL5, which is disposed on the second touch metal layer TL4.

[0068] In this embodiment, the materials of the first touch insulating layer TL1, the second touch insulating layer TL3, and the third touch insulating layer can be inorganic materials such as silicon nitride or silicon oxynitride; the thickness range of the first touch insulating layer TL1, the second touch insulating layer TL3, and the third touch insulating layer TL5 is 0.2 micrometers to 0.4 micrometers.

[0069] It should be noted that the above numerical range is only an example of this application, and the specific values ​​can be adaptively adjusted according to the characteristics of the product in this application.

[0070] Please see Figure 5 The dimming composite layer DL includes a first light-shielding pattern 510 and a second light-shielding pattern 520 disposed on the side of the first light-shielding pattern 510 away from the substrate 110, and a multilayer insulating layer is provided between the first light-shielding pattern 510 and the second light-shielding pattern 520.

[0071] In this embodiment, the first light-shielding pattern 510 has a plurality of first openings 511 and a plurality of second openings 512. The first openings 511 correspond to the non-peeping unit P1 in the first light-emitting group RU1, and the second openings 512 correspond to the peeping unit P2 in the second light-emitting group RU2.

[0072] In this embodiment, both the first light-shielding pattern 510 and the second light-shielding pattern 520 are made of light-shielding materials, such as black organic photoresist.

[0073] In this embodiment, the dimming composite layer DL further includes a color resist layer 530, which includes a plurality of color resist units 531. The plurality of color resist units 531 are located within the first opening 511 and the second opening 512, and the color resist units 531 cover a plurality of portions of the surface of the first light-shielding pattern 510 away from the substrate 110.

[0074] For example, the color resist layer 530 includes a plurality of red color resists, a plurality of green color resists, and a plurality of blue color resists. The red color resists are located in the second opening 512 corresponding to the first privacy unit P2R and the first opening 511 corresponding to the first non-privacy unit P1R. The green color resists are located in the second opening 512 corresponding to the second privacy unit P2G and the first opening 511 corresponding to the second non-privacy unit P1G. The blue color resists are located in the second opening 512 corresponding to the third privacy unit P2B and the first opening 511 corresponding to the third non-privacy unit P1B.

[0075] Please see Figure 2 and Figure 5The first light-shielding pattern 510 is laid out in a whole layer; for example, in the area where the first light-emitting group RU1 and the second light-emitting group RU2 are located, the three adjacent first openings 511 of the first light-shielding pattern 510 are all spaced apart; or, since the spacing between the first non-peeping unit P1R, the second non-peeping unit P1G and the third non-peeping unit P1B is small, the first openings 511 corresponding to the first non-peeping unit P1R, the second non-peeping unit P1G and the third non-peeping unit P1B can be connected to each other to reduce the difficulty of the process.

[0076] Please see Figure 2 and Figure 5 The second light-shielding pattern 520 may be set only in the area where the privacy unit P2 is located; for example, in the areas where the first light-emitting group RU1 and the second light-emitting group RU2 are located, the second light-shielding pattern 520 is not set in the area where the first light-emitting group RU1 is located, and the second light-shielding pattern 520 is only set in the outer periphery of each privacy unit P2 in the second light-emitting group RU2.

[0077] In this embodiment, the second light-shielding pattern 520 can be a continuous pattern; for example, please refer to... Figure 2 and Figure 7 The second light-shielding pattern 520 corresponding to the first privacy unit P2R, the second privacy unit P2G, and the third privacy unit P2B is connected to a portion of the second light-shielding pattern 520. This is equivalent to having three third openings 521 in the second light-shielding pattern 520, which correspond to the first privacy unit P2R, the second privacy unit P2G, and the third privacy unit P2B, respectively. At the same time, in the top view of the display panel 100, the second light-shielding pattern 520 is located on the periphery of the corresponding privacy unit P2, and the inner wall of the second light-shielding pattern 520 is spaced apart from the outer wall of the corresponding privacy unit P2.

[0078] Please see Figure 5 The display panel 100 further includes a third light-shielding pattern 540, which is disposed between the first light-shielding pattern 510 and the second light-shielding pattern 520. The third light-shielding pattern 540 corresponds to the privacy unit P2 and has a fourth opening 541. In a top view, the privacy unit P2 is located inside the fourth opening 541, and the sidewall of the fourth opening 541 is spaced apart from the privacy unit P2.

[0079] Because the gap between the second light-shielding pattern 520 and the first light-shielding pattern 510 is relatively large, and the width of the third light-shielding pattern 540 cannot be too large, some of the large-angle light in the privacy unit P2 may be emitted from the side of the second light-shielding pattern 520 away from the third opening 521. This application improves the privacy effect of the display panel 100 in privacy mode by setting the third light-shielding pattern 540 between the first light-shielding pattern 510 and the second light-shielding pattern 520 to block the large-angle light of the privacy unit P2.

[0080] In this embodiment, the third light-shielding pattern 540 can be a continuous pattern; for example, please refer to... Figure 2 and Figure 7 The third light-shielding pattern 540 corresponding to the first privacy unit P2R, the second privacy unit P2G, and the third privacy unit P2B is connected to a portion of the third light-shielding pattern 540. This is equivalent to having three fourth openings 541 in the third light-shielding pattern 540, which correspond to the first privacy unit P2R, the second privacy unit P2G, and the third privacy unit P2B, respectively. At the same time, in the top view of the display panel 100, the third light-shielding pattern 540 is located on the periphery of the corresponding privacy unit P2, and the inner wall of the third light-shielding pattern 540 is spaced apart from the outer wall of the corresponding privacy unit P2.

[0081] In this embodiment, the material of the third light-shielding pattern 540 can be the same as the material of the first light-shielding pattern 510 and the second light-shielding pattern 520.

[0082] Please see Figure 5 In the top view, the distance H2 between the sidewall of the third opening 521 and the privacy unit P2 is less than or equal to the distance H3 between the sidewall of the fourth opening 541 and the privacy unit P2; at the same time, the distance H3 between the sidewall of the fourth opening 541 and the privacy unit P2 is less than or equal to the distance H1 between the sidewall of the second opening 512 and the privacy unit P2.

[0083] In this embodiment, the third opening 521 is configured to block light from the privacy unit P2 at large angles (e.g., 45° to 60°), and the fourth opening 541 is configured to block light from the privacy unit P2 at even larger angles (e.g., 60° to 90°). Therefore, the narrow viewing angle of the privacy unit P2 is mainly achieved through the inner diameter of the third opening 521. Thus, this application ensures that the distance between the sidewall of the third opening 521 and the privacy unit P2 is less than or equal to the distance between the sidewall of the fourth opening 541 and the privacy unit P2, and that the distance between the sidewall of the fourth opening 541 and the privacy unit P2 is less than or equal to the distance between the sidewall of the second opening 512 and the privacy unit P2, thereby blocking light from large angles in the privacy unit P2 and improving the display effect.

[0084] In this embodiment, the third light-blocking pattern 540 is mainly used to block the large-angle light of the privacy unit P2. That is, increasing the width of the third light-blocking pattern 540 can improve the effect of blocking the large-angle light of the privacy unit P2. However, if the width of the third light-blocking pattern 540 is too large, it may block the large-angle light in the non-privacy unit P1.

[0085] Please see Figure 5 and Figure 10 For the adjacent non-peeping unit P1 and the peeping unit P2, the extension line LT1 of the line connecting the second light-emitting point A1 and the second dimming point B1 does not overlap with the third light-shielding pattern 540; that is, by limiting the outer wall of the third light-shielding pattern 540 on the side away from the fourth opening 541, this application ensures that the extension line LT1 of the line connecting the second light-emitting point A1 and the second dimming point B1 does not overlap with the third light-shielding pattern 540. While blocking the large-angle light of the peeping unit P2, it does not block the large-angle light of the non-peeping unit P1, which can improve the peeping effect of the display panel 100 in the peeping mode and ensure the display effect in the sharing mode.

[0086] Meanwhile, since the third light-shielding pattern 540 is mainly used to block the large-angle light of the privacy unit P2, the width of the third light-shielding pattern 540 cannot be too small, that is, the minimum distance between the outer side of the third light-shielding pattern 540 and the inner wall of the second opening 512 cannot be too small, so as to prevent the large-angle light of the privacy unit P2 from being vented out from the outer side of the third light-shielding pattern 540.

[0087] Please see Figure 5 and Figure 10 For the adjacent non-peeping unit P1 and the peeping unit P2, the peeping unit P2 has a first light-emitting point A2 on the side away from the non-peeping unit P1, and the second opening 512 has a first dimming point B2 on the side close to the first opening 511. The extension line LT2 of the line connecting the first light-emitting point A2 and the first dimming point B2 overlaps with the third light-shielding pattern 540.

[0088] In this embodiment, the first light-emitting point A2 can be the light-emitting point of the large-angle light of the privacy unit P2. When the extension line LT2 of the line connecting the first light-emitting point A2 and the first dimming point B2 overlaps with the third light-shielding pattern 540, it is equivalent to the third light-shielding pattern 540 blocking the light of the privacy unit P2 at a large angle, thus preventing the large-angle light of the privacy unit P2 from being emitted from the outside of the third light-shielding pattern 540.

[0089] It should be noted that the second light-emitting point 1 in this application can be the light-emitting point of the large-angle light from the privacy unit P2, and the first light-emitting point A2 can be the light-emitting point of the large-angle light from the privacy unit P2. Figure 2 and Figure 5 The positions of the second light-emitting point 1 and the first light-emitting point A2 shown are merely examples.

[0090] Please see Figure 2 For the adjacent first light-emitting group RU1 and second light-emitting group RU2, the first non-peeping unit P1R and the second privacy unit P2G are arranged adjacent to each other in the second direction Y. Since the second privacy unit P2G has a second light-shielding pattern 520 near the light-emitting side of the display panel 100, at the V+ viewing angle, the large-angle light of the first non-peeping unit P1R may be blocked by the second light-shielding pattern 520 corresponding to the second privacy unit P2G. However, at the V- viewing angle, since the second light-shielding pattern 520 is not set in the area where the second non-peeping unit P1G is located, the large-angle light of the first non-peeping unit P1R is not blocked, resulting in a difference in the brightness attenuation of the large-angle light of the first non-peeping unit P1R in the V+ and V- viewing angles.

[0091] Similarly, for the adjacent first light-emitting group RU1 and second light-emitting group RU2, the first privacy unit P2R and the second non-privacy unit P1G are arranged adjacent to each other in the second direction Y. Since the first privacy unit P2R has a second light-shielding pattern 520 on the light-emitting side near the display panel 100, at the V-view, the large-angle light of the second non-privacy unit P1G may be blocked by the second light-shielding pattern 520 corresponding to the first privacy unit P2R. However, at the V+view, since the second light-shielding pattern 520 is not set in the area where the first non-privacy unit P1R is located, the large-angle light of the second non-privacy unit P1G is not blocked, resulting in a difference in the brightness attenuation of the large-angle light of the second non-privacy unit P1G at the V+ and V-views.

[0092] It should be noted that the top side is the side where the phone's camera is located, and the bottom side is the side where the phone's charging port is located; that is, the view from top to bottom. The V+ view in this application is the view from the side where the user is located and facing the side where the charging port is located, and the V- view is the view from the side where the user is located and facing the side where the charging port is located; that is, the view from bottom to top.

[0093] It should be noted that you should refer to [link / reference]. Figure 5 and Figure 10 For the adjacent non-peeping unit P1 and the peeping unit P2, the non-peeping unit P1 has a second light-emitting point A1 on the side away from the peeping unit P2, and the first opening 511 has a second dimming point B1 on the side near the second opening 512; for example, please refer to Figure 2Taking the first privacy unit P2R and the second non-privacy unit P1G arranged adjacently as an example, the second non-privacy unit P1G has a second light-emitting point A1 that is far away from the first privacy unit P2R, and the first opening 511 corresponding to the second non-privacy unit P1G has a second dimming point B1 that is close to the adjacent second opening 512. The extension line LT1 of the line connecting the second light-emitting point A1 and the second dimming point B1 does not overlap with the second light-shielding pattern 520, that is, the side of the second light-shielding pattern 520 of this application that is far away from the third opening 521 cannot block the light at the maximum angle of the non-privacy unit P1.

[0094] This application avoids the large-angle light emitted by the non-peeping unit P1 being blocked by the second light-blocking pattern 520 corresponding to the privacy unit P2 by adjusting the distance between the second light-blocking pattern 520 and the adjacent non-peeping unit P1, thereby improving the difference in viewing angle brightness attenuation in different directions of the display panel 100 and solving the problem of viewing angle symmetry in the display panel 100 after synthesizing white light.

[0095] It should be noted that the wide-angle light in this application can be light with an angle greater than or equal to 30°.

[0096] It should be noted that, in Figure 2 In the embodiments, in the first light-emitting group RU1 and the second light-emitting group RU2 arranged adjacent to each other in the first direction X, since the distance between the third privacy unit P2B and the adjacent first non-privacy unit P1R and the second non-privacy unit P1G is set to be large, and the distance between the third non-privacy unit and the adjacent first privacy unit P2R and the second privacy unit P2G is set to be large, the second light-blocking pattern 520 does not have an effect on the large-angle light of the adjacent non-privacy unit P1 in the first direction X.

[0097] It should be noted that when the distance between adjacent first light-emitting groups RU1 and second light-emitting groups RU2 decreases, that is, when the distance between the third privacy unit P2B in the first direction X and the adjacent first non-privacy unit P1R and second non-privacy unit P1G decreases, and the distance between the third non-privacy unit P1B and the adjacent first privacy unit P2R and second privacy unit P2G decreases, then the boundary of the second light-shielding pattern 520 in the area where the first privacy unit P2R, the second privacy unit P2G, and the third privacy unit P2B are located needs to be adjusted.

[0098] It should be noted that, Figure 2The first light-emitting group RU1 and the second light-emitting group RU2 in the middle each include three light-emitting units. When the first light-emitting group RU1 and the second light-emitting group RU2 each include four light-emitting units, the spacing between the light-emitting units in the second column is reduced. The second light-shielding pattern 520 corresponding to the light-emitting units in the second column needs to be set with reference to the second light-shielding pattern 520 corresponding to the light-emitting units in the first column.

[0099] Please see Figure 2 In a first viewing angle, the first privacy unit P2R and the second non-privacy unit P1G are arranged along the second direction Y. The minimum distance between the sidewall of the second opening 512 corresponding to the first privacy unit P2R and the sidewall of the first opening 511 corresponding to the second non-privacy unit P1G is the first viewing angle distance Kg. In a second viewing angle, the first non-privacy unit P1R and the second privacy unit P2G are arranged along the second direction Y. The minimum distance between the sidewall of the second opening 512 corresponding to the second privacy unit P2G and the sidewall of the first opening 511 corresponding to the first non-privacy unit P1R is the second viewing angle distance Kr. The first viewing angle distance Kg is greater than or equal to the second viewing angle distance Kr.

[0100] exist Figure 2 In the adjacent first light-emitting group RU1 and second light-emitting group RU2, the first non-peeping unit P1R and the second peeping unit P2G are arranged adjacent to each other in the second direction Y, and the first peeping unit P2R and the second non-peeping unit P1G are arranged adjacent to each other in the second direction Y. At the V+ viewing angle, the large-angle light of the first non-peeping unit P1R may be blocked by the second light-shielding pattern 520 corresponding to the second peeping unit P2G; at the V- viewing angle, the large-angle light of the second non-peeping unit P1G may be blocked by the second light-shielding pattern 520 corresponding to the first peeping unit P2R; therefore, the width of the third light-shielding pattern 540 corresponding to the first peeping unit P2R and the width of the third light-shielding pattern 540 corresponding to the second peeping unit P2G need to be adjusted adaptively.

[0101] Since the first privacy unit P2R and the first non-privacy unit P1R emit red light, and the second non-privacy unit P1G and the second privacy unit P2G emit green light, the light emission decay rate of the red light-emitting unit is lower than that of the green light-emitting unit. Since the red light emitted from the color resist layer 530 has the highest light emission decay rate after the color resist layer 531 is superimposed, the light emission decay rate of the red light is the highest, followed by the green light. Therefore, the light emission decay rate of the first non-privacy unit P1R in the V+ view and the light emission decay rate of the second non-privacy unit P1G in the V- view are different.

[0102] This application solves the technical problem that the light emission attenuation rate of the first non-peeping unit P1R in the V+ view is different from that of the second non-peeping unit P1G in the V- view by making the first viewing angle distance Kg greater than or equal to the second viewing angle distance Kr, which is equivalent to increasing the inner diameter of the first opening 511 corresponding to the first non-peeping unit P1R, thereby expanding the first opening 511 to increase the light emitted from the first opening 511 in the first non-peeping unit P1R, and / or reducing the inner diameter of the first opening 511 corresponding to the second non-peeping unit P1G, thereby reducing the light emitted from the first opening 511 in the second non-peeping unit P1G.

[0103] It should be noted that, since the first viewing angle spacing Kg and the second viewing angle spacing Kr are different, the width of the corresponding third light-blocking pattern 540 can also be adjusted accordingly.

[0104] Because in the privacy mode of the display panel 100, the privacy unit P2 emits light while the non-privacy unit P1 does not emit light; and in the sharing mode of the display panel 100, both the privacy unit P2 and the non-privacy unit P1 emit light; therefore, the privacy unit P2 needs to be designed with a narrow viewing angle, while the non-privacy unit P1 needs to be designed with a wide viewing angle.

[0105] Please see Figure 2 and Figure 5 In the top view, the non-peeping unit P1 is located inside the first opening 511, and the peeping unit P2 is located inside the second opening 512; the distance between the side wall of the second opening 512 and the peeping unit P2 is less than the distance between the side wall of the first opening 511 and the non-peeping unit P1; that is, the inner diameter of the first opening 511 is greater than the inner diameter of the second opening 512.

[0106] In this embodiment, the non-peeping unit P1 is located inside the first opening 511, and the peeping unit P2 is located inside the second opening 512. That is, the orthogonal projection of the non-peeping unit P1 on the substrate 110 is located within the orthogonal projection of the sidewall of the first opening 511 on the substrate 110, and the orthogonal projection of the peeping unit P2 on the substrate 110 is located within the orthogonal projection of the sidewall of the second opening 512 on the substrate 110.

[0107] This application reduces the obstruction of light emitted by the first light-blocking pattern 510 to the non-peeping unit P1 by making the distance between the sidewall of the second opening 512 and the privacy unit P2 smaller than the distance between the sidewall of the first opening 511 and the non-peeping unit P1, which is equivalent to increasing the distance between the sidewall of the first opening 511 and the non-peeping unit P1. This reduces the brightness decay rate of the non-peeping unit P1, increases the light emission angle of the non-peeping unit P1, and improves the display effect in sharing mode; or / and, by reducing the distance between the sidewall of the second opening 512 and the privacy unit P2, the obstruction of light emitted by the first light-blocking pattern 510 to the privacy unit P2 is increased, the brightness decay rate of the privacy unit P2 is increased, the light emission angle of the privacy unit P2 is reduced, and the privacy effect in privacy mode is improved.

[0108] It should be noted that the spacing in this application is determined by comparing the edges of the two film layers closest to the substrate 110, for example, in Figure 5 In the structure, the distance between the sidewall of the first opening 511 and the non-spy unit P1 is equivalent to the distance between the edge of the sidewall of the first opening 511 near the substrate 110 and the edge of the non-spy unit P1 near the substrate 110.

[0109] Since the non-peeping unit P1 of different colors has differences, this application can adjust the distance between the sidewall of the first opening 511 and the first non-peeping unit P1R according to the difference in light emission decay rate.

[0110] In this embodiment, please refer to Figure 6 The sidewall of the first opening 511 corresponding to the first non-peeping unit P1R has a first distance L1R to the first non-peeping unit P1R; the sidewall of the first opening 511 corresponding to the second non-peeping unit P1G has a second distance L1G to the second non-peeping unit P1G; the sidewall of the first opening 511 corresponding to the third non-peeping unit P1B has a third distance L1B to the third non-peeping unit P1B; the first distance L1R, the second distance L1G, and the third distance L1B are different.

[0111] Meanwhile, in one embodiment, the first spacing L1R may be greater than or equal to the second spacing L1G, and the second spacing L1G may be greater than or equal to the third spacing L1B.

[0112] In this embodiment, the values ​​of the first spacing L1R, the second spacing L1G, and the third spacing L1B can range from 1.8μm to 4.8μm.

[0113] In this embodiment, the light emission attenuation rate of the second non-peeping unit P1G is greater than that of the first non-peeping unit P1R, and the light emission attenuation rate of the third non-peeping unit P1B is greater than that of the second non-peeping unit P1G. That is, the light emission attenuation rate of the third non-peeping unit P1B is the largest, and the light emission attenuation rate of the first peeping unit P2R is the smallest. However, since the red light emitted from the color resist layer 530 has the largest attenuation rate after the color resist layer 531 is superimposed, the green light is the second largest, and the blue light is the smallest, this application sets the distance between the sidewall of the first opening 511 and the third non-peeping unit P1B to the smallest to increase the light blocking effect of the first light-blocking pattern 510 on blue light, and sets the distance between the sidewall of the first opening 511 and the first non-peeping unit P1R to the largest to reduce the blocking effect of the first light-blocking pattern 510 on red light. The distance between the sidewall of the first opening 511 and the second non-peeping unit P1G is centered to achieve the difference in the light emission attenuation rate of the non-peeping units P1 of different colors.

[0114] In this embodiment, please refer to Figure 7 The sidewall of the second opening 512 corresponding to the first privacy unit P2R has a fourth distance L2R with the first privacy unit P2R; the sidewall of the second opening 512 corresponding to the second privacy unit P2G has a fifth distance L2G with the second privacy unit P2G; the sidewall of the second opening 512 corresponding to the third privacy unit P2B has a sixth distance L2B with the third privacy unit P2B; the fourth distance L2R is equal to the fifth distance L2G, and the fifth distance L2G is equal to the sixth distance L2B.

[0115] In this embodiment, the light emission attenuation rate of the second privacy unit P2G is greater than that of the first privacy unit P2R, and the light emission attenuation rate of the third privacy unit P2B is greater than that of the second privacy unit P2G. That is, the light emission attenuation rate of the third privacy unit P2B is the largest, and the light emission attenuation rate of the first privacy unit P2R is the smallest. However, after the color resist unit 531 is superimposed, the attenuation rate of red light derived from the color resist layer 530 is the largest, followed by green light, and then blue light is the smallest. However, since the inner diameter of the second opening 512 corresponding to the privacy unit P2 is small, the difference in light emission attenuation is small. That is, this application can make the fourth spacing L2R, the fifth spacing L2G, and the sixth spacing L2B all equal.

[0116] Since the second light-shielding pattern 520 is located away from the third opening 521, it cannot block the light at the maximum angle of the non-peeping unit P1. Therefore, the boundary of the second light-shielding pattern 520 away from the third opening 521 needs to match the boundary of the first opening 511 near the second opening 512. That is, the width of the second light-shielding pattern 520 and the minimum distance between the first opening 511 and the second opening 512 should match.

[0117] In this embodiment, please refer to Figure 5 The distance C from the end of the second light-shielding pattern 520 away from the third opening 521 to the sidewall of the third opening 521 is positively correlated with the minimum distance K between the sidewalls of the first opening 511 and the sidewalls of the second opening 512.

[0118] For example, when the width of the second light-shielding pattern 520 decreases, in order to increase the light-emitting angle of the non-peeping unit P1, this application can increase the inner diameter of the first opening 511, which is equivalent to the first opening 511 also expanding synchronously. Then the distance between the sidewall of the first opening 511 and the sidewall of the second opening 512 also decreases synchronously. Similarly, when the width of the second light-shielding pattern 520 increases, in order to avoid the second light-shielding pattern 520 blocking the large-angle light of the non-peeping unit P1, this application can reduce the inner diameter of the first opening 511, which is equivalent to the first opening 511 also shrinking synchronously. Then the distance between the sidewall of the first opening 511 and the sidewall of the second opening 512 also increases synchronously.

[0119] Please see Figure 5 and Figure 8 The dimming composite layer DL further includes a first insulating layer 550, a second insulating layer 560, and a third insulating layer 570. The first insulating layer 550 is disposed between the first light-shielding pattern 510 and the third light-shielding pattern 540; the third insulating layer 570 is disposed between the second light-shielding pattern 520 and the third light-shielding pattern 540; and the second insulating layer 560 is disposed between the third insulating layer 570 and the third light-shielding pattern 540. Please see Figure 9 The first insulating layer 550 is disposed between the first light-shielding pattern 510 and the third light-shielding pattern 540, the third insulating layer 570 is disposed between the second light-shielding pattern 520 and the third light-shielding pattern 540, and the second insulating layer 560 is disposed between the third light-shielding pattern 540 and the first insulating layer 550.

[0120] exist Figure 5 , Figure 8 and Figure 9In the structure, the materials of the first insulating layer 550, the second insulating layer 560 and the third insulating layer 570 can all be organic materials with leveling properties.

[0121] In this embodiment, the thicknesses of the first insulating layer 550, the second insulating layer 560, and the third insulating layer 570 may all be unequal; or, the thickness of the first insulating layer 550 may be less than or equal to the sum of the thicknesses of the second insulating layer 560 and the third insulating layer 570.

[0122] In this embodiment, the first insulating layer 550, the second insulating layer 560 and the third insulating layer 570 are mainly used to adjust the spacing of the first light-shielding pattern 510, the second light-shielding pattern 520 and the third light-shielding pattern 540 in the thickness direction of the display panel 100.

[0123] For example, for Figure 5 In this scheme, the spacing between the first light-shielding pattern 510 and the third light-shielding pattern 540 is less than or equal to the spacing between the second light-shielding pattern 520 and the third light-shielding pattern 540; for Figure 8 In this scheme, the spacing between the first light-shielding pattern 510 and the third light-shielding pattern 540 is smaller than the spacing between the second light-shielding pattern 520 and the third light-shielding pattern 540; for Figure 9 In this scheme, the distance between the first light-shielding pattern 510 and the third light-shielding pattern 540 is greater than the distance between the second light-shielding pattern 520 and the third light-shielding pattern 540.

[0124] In this embodiment, in the thickness direction of the display panel 100, the spacing between the first light-shielding pattern 510 and the third light-shielding pattern 540 ranges from 5 micrometers to 10 micrometers, and the spacing between the second light-shielding pattern 520 and the third light-shielding pattern 540 ranges from 5 micrometers to 8 micrometers.

[0125] In this embodiment, the distance between the first light-blocking pattern 510 and the third light-blocking pattern 540 is between 5 micrometers and 8.5 micrometers, and the distance between the side of the third light-blocking pattern 540 away from the fourth opening 541 and the sidewall of the fourth opening 541 is between 6 micrometers and 8.5 micrometers, so that the third light-blocking pattern 540 can block the large-angle direction of the privacy unit P2, but does not block the large-angle light of the non-privacy unit P1.

[0126] Please see Figure 8 and Figure 9 The display panel 100 further includes a fourth insulating layer 580, the refractive index of which is greater than that of the second insulating layer 560 and the third insulating layer 570.

[0127] Please see Figure 8 The second insulating layer 560 is disposed between the third insulating layer 570 and the third light-shielding pattern 540. The third insulating layer 570 has multiple dimming openings DLa corresponding to the privacy unit P2. The fourth insulating layer 580 fills the dimming openings DLa and is disposed between the third insulating layer 570 and the second light-shielding pattern 520. Figure 6 In the structure, the refractive index of the fourth insulating layer 580 is greater than that of the third insulating layer 570, and a total internal reflection interface is formed between the sidewall of the dimming opening DLa on the third insulating layer 570 and the fourth refractive index layer.

[0128] Please see Figure 9 The second insulating layer 560 is disposed between the first insulating layer 550 and the third light-shielding pattern 540. The second insulating layer 560 has multiple dimming openings DLa corresponding to the privacy unit P2. The fourth insulating layer 580 fills the dimming openings DLa and is disposed between the second insulating layer 560 and the third light-shielding pattern 540. Figure 7 In the structure, the refractive index of the fourth insulating layer 580 is greater than that of the second insulating layer 560, and a total internal reflection interface is formed between the sidewall of the dimming opening DLa on the second insulating layer 560 and the fourth refractive index layer.

[0129] exist Figure 8 and Figure 9 In this structure, a high refractive index film layer is provided between two insulating layers in the dimming composite layer DL, and the corresponding dimming opening DLa is filled. A total reflection interface is formed on the sidewall of the high refractive index layer and the dimming opening DLa to focus the light in the privacy unit P2 or the non-privacy unit P1. This can improve the privacy effect of the display panel 100 in privacy mode and also improve the display effect of the display panel 100 in privacy sharing mode.

[0130] Please see Figure 5 , Figure 8 and Figure 9 The display panel 100 further includes a fifth insulating layer 590 disposed on the side of the second light-shielding pattern 520 away from the substrate 110. The materials of the fifth insulating layer 590 and the fourth insulating layer 580 can be the same as the material of the first insulating layer 550.

[0131] Please see Figure 8 and Figure 9Since the refractive index of the fourth insulating layer 580 is greater than that of the second insulating layer 560 and the third insulating layer 570, light is refracted at the interface between the fourth insulating layer 580 and the second insulating layer 560, or at the interface between the fourth insulating layer 580 and the third insulating layer 570.

[0132] For example, please see Figure 8 The light LT3 emitted from the non-spy unit P1 is refracted at the interface between the fourth insulating layer 580 and the third insulating layer 570, and deflected away from the side where the spy unit P2 is located; please refer to Figure 9 The light LT3 emitted from the non-peeping unit P1 is refracted at the interface between the fourth insulating layer 580 and the second insulating layer 560, and deflected away from the side where the privacy unit P2 is located; that is, it is equivalent to further avoiding the large-angle light emitted by the non-peeping unit P1 being blocked by the second light-shielding pattern 520 corresponding to the privacy unit P2, improving the difference in brightness attenuation in different positions in the display panel 100, and solving the problem of visual position symmetry in the display panel 100.

[0133] Please see Figure 8 The light LT4 emitted from the privacy unit P2 is refracted at the interface between the fourth insulating layer 580 and the third insulating layer 570, and deflected away from the side where the privacy unit P2 is located, and is blocked by the second light-shielding pattern 520; please refer to Figure 9 The light LT4 emitted by the privacy unit P2 is refracted at the interface between the fourth insulating layer 580 and the second insulating layer 560, and deflected away from the side where the privacy unit P1 is located. It is then blocked by the third light-blocking pattern 540. This is equivalent to the large-angle light emitted by the privacy unit P2 being blocked by the second light-blocking pattern 520 or the third light-blocking pattern 540 corresponding to the privacy unit P2, further avoiding the technical problem of light leakage of the privacy unit P2 at a large angle.

[0134] It should be noted that this application also proposes a display device, which includes the aforementioned display panel, and the display device of this application can be any product or component with display function, such as a vehicle screen, mobile phone, tablet computer, television, monitor, laptop computer, digital photo frame, or navigator.

[0135] In the description of this application, the terms "first" and "second" 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. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0136] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0137] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0138] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A display panel, characterized in that, include: Substrate; A light-emitting layer is disposed on one side of the substrate, and the light-emitting layer includes a non-peeping unit and a peeping unit; A first light-shielding pattern is disposed on the side of the light-emitting layer away from the substrate. The first light-shielding pattern has a first opening and a second opening. The first opening corresponds to the non-spy unit, and the second opening corresponds to the spy unit. The second light-shielding pattern is disposed on the side of the first light-shielding pattern away from the substrate, and the second light-shielding pattern has a third opening corresponding to the privacy unit; A third light-blocking pattern is disposed between the first light-blocking pattern and the second light-blocking pattern, and the third light-blocking pattern has a fourth opening corresponding to the privacy unit; Among them, for the non-peeping unit and the peeping unit arranged adjacent to each other, the peeping unit has a first light-emitting point on the side away from the non-peeping unit, the second opening has a first dimming point on the side close to the first opening, and the extension line of the line connecting the first light-emitting point and the first dimming point overlaps with the third light-shielding pattern.

2. The display panel according to claim 1, characterized in that, In the top view, the privacy screen is located inside the third opening, and the sidewall of the third opening is spaced apart from the privacy screen. The privacy screen is located inside the fourth opening, and the sidewall of the fourth opening is spaced apart from the privacy screen.

3. The display panel according to claim 2, characterized in that, In a top view, the distance between the sidewall of the third opening and the privacy unit is less than or equal to the distance between the sidewall of the fourth opening and the privacy unit. The distance between the sidewall of the fourth opening and the privacy unit is less than or equal to the distance between the sidewall of the second opening and the privacy unit.

4. The display panel according to claim 1, characterized in that, For the non-peeping unit and the peeping unit arranged adjacent to each other, the non-peeping unit has a second light-emitting point on the side away from the peeping unit, the first opening has a second dimming point on the side close to the second opening, and the extension line of the connecting line between the second light-emitting point and the second dimming point does not overlap with the third light-shielding pattern.

5. The display panel according to claim 1, characterized in that, In the top view, the non-peeping unit is located inside the first opening, and the peeping unit is located inside the second opening; The distance between the sidewall of the second opening and the privacy unit is less than the distance between the sidewall of the first opening and the non-privacy unit.

6. The display panel according to claim 1, characterized in that, In the thickness direction of the display panel, the spacing between the first light-blocking pattern and the third light-blocking pattern ranges from 5 micrometers to 10 micrometers, and the spacing between the second light-blocking pattern and the third light-blocking pattern ranges from 5 micrometers to 8 micrometers.

7. The display panel according to claim 1, characterized in that, The distance between the first light-shielding pattern and the third light-shielding pattern ranges from 5 micrometers to 8.5 micrometers, and the distance between the side of the third light-shielding pattern away from the fourth opening and the sidewall of the fourth opening ranges from 6 micrometers to 8.5 micrometers.

8. The display panel according to any one of claims 1 to 7, characterized in that, The light-emitting layer includes: The first light-emitting group includes a first non-privacy unit, a second non-privacy unit, and a third non-privacy unit with different light-emitting colors; The second light-emitting group includes a first privacy unit, a second privacy unit, and a third privacy unit with different light-emitting colors; The first light-emitting group and the second light-emitting group are arranged alternately along the first direction and the second direction.

9. The display panel according to claim 8, characterized in that, The sidewall of the first opening corresponding to the first non-peeping unit has a first distance from the first non-peeping unit; The sidewall of the first opening corresponding to the second non-peeping unit has a second distance from the second non-peeping unit; The sidewall of the first opening corresponding to the third non-peeping unit has a third distance from the third non-peeping unit; The first spacing, the second spacing, and the third spacing are different.

10. The display panel according to claim 8, characterized in that, The sidewall of the first opening corresponding to the first non-peeping unit has a first distance from the first non-peeping unit; The sidewall of the first opening corresponding to the second non-peeping unit has a second distance from the second non-peeping unit; The sidewall of the first opening corresponding to the third non-peeping unit has a third distance from the third non-peeping unit; The first spacing is greater than or equal to the second spacing, and the second spacing is greater than or equal to the third spacing.

11. The display panel according to claim 8, characterized in that, The sidewall of the second opening, which corresponds to the first privacy unit, has a fourth distance from the first privacy unit; The sidewall of the second opening corresponding to the second privacy unit has a fifth distance from the second privacy unit; The sidewall of the second opening corresponding to the third privacy unit has a sixth distance from the third privacy unit; Wherein, the fourth spacing is equal to the fifth spacing, and the fifth spacing is equal to the sixth spacing.

12. The display panel according to any one of claims 1 to 7, characterized in that, The display panel also includes: A thin-film encapsulation layer is disposed on the side of the light-emitting layer away from the substrate. A touch layer is disposed between the thin film encapsulation layer and the first light-shielding pattern; The color resist layer includes a plurality of color resist units located within the first opening and the second opening, and the color resist units cover a plurality of portions of the surface of the first light-shielding pattern away from the substrate.

13. The display panel according to any one of claims 1 to 7, characterized in that, The display panel is configured in sharing mode, in which at least the non-spy unit emits light; the display panel is configured in privacy mode, in which the privacy unit emits light and the non-spy unit does not emit light.

14. A display device, characterized in that, Includes the display panel as described in any one of claims 1 to 13.

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