CN114512524A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN114512524A CN114512524A CN202210142551.6A CN202210142551A CN114512524A CN 114512524 A CN114512524 A CN 114512524A CN 202210142551 A CN202210142551 A CN 202210142551A CN 114512524 A CN114512524 A CN 114512524A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
Abstract
The embodiment of the invention discloses a display panel and a display device, wherein the display panel comprises an optical component area, and the optical component area comprises a transparent display area; the transparent display area comprises a first transparent display area, a second transparent display area and a third transparent display area, and further comprises a substrate, a first red color filter layer positioned in the first transparent display area and far away from one side of the substrate, a first green color filter layer positioned in the second transparent display area and far away from one side of the substrate, and a first blue color filter layer positioned in the third transparent display area and far away from one side of the substrate; the first blue color filter layer includes a first surface facing the substrate base plate; the first surface is convex towards one side close to the substrate base plate. Through setting up first red color filter layer, first green color filter layer and first blue color filter layer, the first surface orientation of control first blue color filter layer is protruding near substrate base plate one side, reduces the absorption of substrate base plate to the blue light, guarantees the formation of image effect in optical component district.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display panel and a display device.
Background
With the technical development of display panels, the demand of users for screen occupation ratio is increasing, and the technology of the camera under the screen is increasing. The existing display panel with the camera under the screen has the phenomenon of yellowing of pictures when the pictures are taken, and the use experience of a user is seriously influenced.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, which are used for ensuring the imaging effect of an optical component area and improving the use experience of a user.
In a first aspect, embodiments of the present invention provide a display panel, including an optical component area, where the optical component area includes a transparent display area;
the transparent display area comprises a first transparent display area, a second transparent display area and a third transparent display area,
the display panel further comprises a substrate base plate, a first red color filter layer, a first green color filter layer and a first blue color filter layer, wherein the first red color filter layer is positioned in the first transparent display area and is far away from one side of the substrate base plate, the first green color filter layer is positioned in the second transparent display area and is far away from one side of the substrate base plate, and the first blue color filter layer is positioned in the third transparent display area and is far away from one side of the substrate base plate;
the first blue color filter layer includes a first surface facing a side of the base substrate;
wherein the first surface is convex towards one side close to the substrate base plate.
In a second aspect, an embodiment of the present invention further provides a display device, including the display panel in any one of the first aspects.
The display panel comprises an optical component area, a first red color filter layer, a first green color filter layer and a first blue color filter layer, wherein the optical component area comprises a first transparent display area, a second transparent display area and a third transparent display area; through setting up first red color filter layer, first green color filter layer and first blue color filter layer, the first surface orientation of towards substrate base plate one side in the first blue color filter layer of control is close to substrate base plate one side simultaneously and is protruding, reduces the absorption of substrate base plate to the blue light, guarantees the formation of image effect in optical component district.
Drawings
To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the technical solutions in the prior art, and it is obvious that the drawings in the following description, although being some specific embodiments of the present invention, can be extended and extended to other structures and drawings by those skilled in the art according to the basic concepts of the device structure, the driving method and the manufacturing method disclosed and suggested by the various embodiments of the present invention, without making sure that these should be within the scope of the claims of the present invention.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at B in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along the direction CC' of FIG. 2;
FIG. 4 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
FIG. 5 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
FIG. 6 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
FIG. 7 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
FIG. 8 is a schematic cross-sectional view taken along direction DD' of FIG. 2;
FIG. 9 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
FIG. 10 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
fig. 11 is a schematic top view illustrating a display panel according to an embodiment of the present invention;
FIG. 12 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
FIG. 13 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
FIG. 14 is a schematic view of another cross-sectional structure taken along the direction CC' in FIG. 2;
fig. 15 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 16 is a schematic cross-sectional structure diagram of a display device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through embodiments with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the basic idea disclosed and suggested by the embodiments of the present invention, fall within the scope of protection of the present invention.
Display panel includes optical component district and normal display area among the prior art, and wherein the optical component district can be understood as the sensor reservation district, for example the camera reservation district, therefore the optical component district except possessing before the normal display function, still possesses good light-permeable effect, guarantees that external light can see through the optical component district and get into the camera. The optical component area comprises a substrate base plate and a red color filter layer, a green color filter layer and a blue color filter layer which are arranged on one side of the substrate base plate at intervals, red light is emitted from the red color filter layer due to external environment light, green light is emitted from the green color filter layer, and blue light is emitted from the blue color filter layer due to the green color filter layer, but the absorption effect of the substrate base plate on the blue light is obvious, the ratio of the blue light reaching the substrate base plate is smaller than that of the red light and that of the green light, the red light, the green light and the blue light are yellow, and the imaging effect is seriously influenced.
In view of the above technical problem, an embodiment of the present invention provides an optical component area, where the optical component area includes a transparent display area; the transparent display area comprises a first transparent display area, a second transparent display area and a third transparent display area, the display panel further comprises a substrate base plate, a first red color filter layer, a first green color filter layer and a first blue color filter layer, the first red color filter layer is positioned in the first transparent display area and is far away from one side of the substrate base plate, the first green color filter layer is positioned in the second transparent display area and is far away from one side of the substrate base plate, and the first blue color filter layer is positioned in the third transparent display area and is far away from one side of the substrate base plate; the first blue color filter layer includes a first surface facing the substrate base plate; the first surface is convex towards one side close to the substrate base plate. By adopting the scheme, the light transmission effect of the third transparent display area is increased by adjusting the shape of the first surface of the first blue color filter layer, and the light transmission effects of the first red color filter layer and the first green color filter layer are matched, so that the imaging effect of the optical component area is improved.
The above is the main idea of the present invention, and the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention, fig. 2 is an enlarged structural diagram at B in fig. 1, and fig. 3 is a schematic structural diagram of a cross section along CC' direction in fig. 2, as shown in fig. 1, fig. 2 and fig. 3, a display panel 100 includes an optical component area 101, and the optical component area 101 includes a transparent display area 102; the transparent display area 102 includes a first transparent display area 1021, a second transparent display area 1022 and a third transparent display area 1023, the display panel 100 further includes a substrate 103, a first red color filter layer 104 located at the first transparent display area 1021 and at a side away from the substrate 103, a first green color filter layer 105 located at the second transparent display area 1022 and at a side away from the substrate 103, and a first blue color filter layer 106 located at the third transparent display area 1023 and at a side away from the substrate 103; the first blue color filter layer 106 includes a first surface 1011 facing the substrate base plate 103 side; wherein the first surface 1011 is convex toward the side close to the substrate base plate 103.
The optical component area 101 may realize a display effect and an imaging effect, the optical component area 101 may be reused as a setting area of a sensor, where the sensor may be a device such as a camera or an infrared sensor, and the embodiment of the present invention does not limit this. Therefore, the optical component area 101 has a good light transmission effect before having a normal display function, so as to ensure that external light can enter the camera through the optical component area 101. Since the pixel circuits 111 in the display area of the display panel are the main light-shielding elements, in order to ensure a good light-transmitting effect of the optical component area 101, the area ratio of the pixel circuits 111 in the optical component area 101 may be smaller than that of the pixel circuits in the normal display area, for example, the pixel circuits 111 are disposed in the optical component area 101, but the disposing density of the pixel circuits 111 is smaller than that of the normal display area (and/or the disposing density is the same, but the area of a single pixel circuit 111 in the optical component area 101 is smaller than that of the normal display area), that is, the pixel circuits in the optical component area 101 are built-in (not shown in the figure). Alternatively, the pixel circuit 111 is not disposed in the optical component area 101, i.e., the pixel circuit in the optical component area 101 is external, as shown in fig. 2 and 3. In the display panel, the pixel circuit 111 is used for driving the light emitting element to emit light, so that the display panel can display normally. With continued reference to fig. 2, the pixel circuits 111 located in the first display region 107 are connected to the light emitting elements of the optical component region 101 through the transparent signal transmission lines 120, achieving the normal display effect of the light emitting elements in the optical component region 101. Further, the transparent signal transmission line 120 may be Indium Tin Oxide (ITO), which ensures good light transmittance and electrical conductivity. Further, the pixel circuit 111 may include one thin film transistor, or may include a plurality of thin film transistors and at least one storage capacitor, for example, seven thin film transistors and 1 storage capacitor (7T1C), and the specific structure of the pixel circuit 111 is not limited in the embodiment of the present invention.
Referring to fig. 3, the first transparent display area 1021 and the first red color filter layer 104 located at a side of the first transparent display area 1021 away from the substrate 103 are configured to transmit red light of external incident light; the second transparent display region 1022 and the first green color filter layer 105 located on the second transparent display region 1022 and far away from the substrate 103 side are used for transmitting green light in external incident light; the third transparent display area 1023 and the first blue color filter layer 106 located at the third transparent display area 1023 and far away from the substrate 103 are used for transmitting blue light in external incident light. Further, the substrate base plate 103 can be flexible substrate, for example yellow PI (polyimide), because yellow PI is great to the absorptivity of blue light, consequently, first surface 1011 in can setting up first blue color filter layer 106 is protruding towards being close to substrate base plate 103 one side, so first blue color filter layer 106 can assemble external incident light, reduce blue light and substrate base plate 103's area of contact, reduce substrate base plate 103 to blue light's absorption, and then guarantee red light, green light and blue light are the same or similar light flux that sees through after substrate base plate 103 absorbs specifically, guarantee the red light that the camera received, green light and blue light mix and form white light, guarantee the formation of image effect, avoid appearing the yellow problem of formation of image.
In summary, the embodiment of the present invention ensures that the transparent display of the optical component area can be realized by providing the first transparent display area, the second transparent display area, and the third transparent display area on the display panel; meanwhile, the first transparent display area comprises a first red color filter layer, the second transparent display area comprises a first green color filter layer, and the third transparent display area comprises a first blue color filter layer, so that a camera positioned in the optical component area can receive light rays with different colors, and optical imaging is realized; the first surface that further sets up first blue color filter layer is protruding towards substrate base plate one side, and so first blue color filter layer can assemble external incident light, reduces the area of contact of blue light and substrate base plate, reduces the substrate base plate and to the absorption of blue light, guarantees that camera received red light, green light and blue light can mix and form white light, guarantees the formation of image effect, avoids appearing the yellow problem of formation of image.
With continued reference to fig. 3, the first red color filter layer 104 includes a second surface 1012 facing the side of the substrate base plate 103; first green color filter layer 105 includes towards substrate base plate 103 one side third surface 1013, second surface 1012 and third surface 1013 can be the plane, so the red light that filters out through first red color filter layer 104 can not disperse or assemble in second surface 1012 department, the green glow that filters out through first green color filter layer 105 can not disperse or assemble in third surface 1013 department, so combine the blue light that assembles through first surface 1011, and then guarantee that red light, the emergent luminous flux of green light and blue light behind substrate base plate 103 is the same or similar, guarantee red light, green light and blue light can mix and form white light, guarantee that the camera normally images, guarantee the formation of image effect.
Further, fig. 4 is another schematic cross-sectional structure along the direction CC' in fig. 2, as shown in fig. 4, optionally, the first red color filter layer 104 includes a second surface 1012 facing the substrate base 103 side, and the first green color filter layer 105 includes a third surface 1013 facing the substrate base 103 side;
the second surface 1012 is convex toward the side away from the substrate base 103 and the third surface 1013 is convex toward the side away from the substrate base 103.
The refractive indexes of the first red color filter layer 104, the first green color filter layer 105, and the first blue color filter layer 106 are all greater than the refractive index of the inorganic film layer located on the side of the color filter layer close to the substrate 103 and in contact with the color filter layer, and the inorganic film layer in contact with the color filter layer may include an inorganic film layer in the touch functional layer 1135 or an inorganic film layer in the thin film encapsulation layer 1134. In fig. 4, an example is shown in which the inorganic film layer in the touch functional layer 1135 is in contact with the first red color filter layer 104, the first green color filter layer 105, and the first blue color filter layer 106, respectively. The second surface 1012 is convex towards the side facing away from the substrate base 103 and the third surface 1013 is convex towards the side facing away from the substrate base 103, i.e. both the second surface 1012 and the third surface 1013 may also be concave towards the side facing away from the substrate base 103. Matching the convex state of the second surface 1012 of the first red color filter layer 104, the convex state of the third surface 1013 of the first green color filter layer 105, and the convex state of the first surface 1011 of the first blue color filter layer 106, the light incident through the first red color filter layer 104 and the first green color filter layer 105 is diverged, and the light incident through the first blue color filter layer 106 is converged. Through adjusting first red color filter layer 104, first green color filter layer 105, the shape of first blue color filter layer 106 towards the surface of substrate base plate 103 one side, make its light path to external incident light adjust, increase substrate base plate 103 to the absorbed quantity of red light and green light, reduce substrate base plate 103 to the absorbed quantity of blue light, and then guarantee to incide to the red light behind substrate base plate 103, form white light after green light and the blue light mix, avoid a large amount of blue light easily by substrate base plate 103 absorption back, influence the formation of image effect.
Fig. 5 is another schematic cross-sectional structure view along the direction CC' in fig. 2, as shown in fig. 5, optionally, the refractive index of the first red color filter layer 104 is greater than the refractive index of the first green color filter layer 105, the maximum included angle between the tangent of any point on the second surface 1012 and the substrate 103 is a first included angle θ 1, and the maximum included angle between the tangent of any point on the third surface 1013 and the substrate 103 is a second included angle θ 2; wherein theta 1 is less than theta 2.
Here, since the refractive index of the first red color filter layer 104 is greater than the refractive index of the first green color filter layer 105, the second surface 1012 of the first red color filter layer 104 and the third surface 1013 of the first green color filter layer 105 are both convex toward the side away from the substrate 103. When the thicknesses of the second surface 1012 of the first red color filter layer 104 and the third surface 1013 of the first green color filter layer 105 are the same, in order to ensure that the first red color filter layer 104 and the first green color filter layer 105 have the same scattering effect on the incident light from the outside, the maximum included angle between the tangent of any point on the second surface 1012 and the substrate 103 is smaller than the maximum included angle between the tangent of any point on the third surface 1013 and the substrate 103, that is, the convex radian of the first red color filter layer 104 is greater than the convex radian of the first green color filter layer 105, so as to realize the same scattering effect of the incident light from the first red color filter layer 104 to the incident light and the incident light from the first green color filter layer 105, match the converging effect of the first blue color filter layer 106 to the incident light, ensure that the luminous flux of the blue light incident to the substrate 103 is greater than the luminous flux of the red light, and the luminous flux of the blue light is greater than the luminous flux of the green light, and ensuring normal imaging.
Fig. 6 is a schematic view of another cross-sectional structure along the direction CC' in fig. 2, as shown in fig. 6, optionally, the refractive index of the first red color filter layer 104 is greater than the refractive index of the first green color filter layer 105, the first red color filter layer 104 includes a fourth surface 1014 on the side of the second surface 1012 away from the substrate base plate 103, and the first green color filter layer includes a fifth surface 1015 on the side of the third surface 1013 away from the substrate base plate 103; in the thickness direction (X direction as shown in the figure) of the display panel 100, the maximum distance between the second surface 1012 and the fourth surface 1014 is a first distance L1, and the maximum distance between the third surface 1013 and the fifth surface 1015 is a second distance L2; wherein L1 is more than L2.
Here, since the refractive index of the first red color filter layer 104 is greater than the refractive index of the first green color filter layer 105, the second surface 1012 of the first red color filter layer 104 and the third surface 1013 of the first green color filter layer 105 are both convex toward the side away from the substrate 103. When the convex radians of the second surface 1012 of the first red color filter layer 104 and the third surface 1013 of the first green color filter layer 105 are the same, in order to ensure that the first red color filter layer 104 and the first green color filter layer 105 have the same scattering effect on the incident light from the outside, the maximum distance L1 between the second surface 1012 and the fourth surface 1014 of the first red color filter layer 104 may be set to be greater than the maximum distance L2 between the third surface 1013 and the fifth surface 1015 of the first green color filter layer 105, that is, the maximum thickness of the first red color filter layer 104 is greater than the maximum thickness of the first green color filter layer 105, so as to achieve the same adjusting effect of the first red color filter layer 104 on the incident light and the incident light of the first green color filter layer 105, match the adjusting effect of the first blue color filter layer 106 on the incident light, and ensure that the luminous flux of the blue light incident to the substrate 103 is greater than the luminous flux of the red light, the luminous flux of the blue light is larger than that of the green light, so that normal imaging is ensured.
Fig. 7 is a schematic cross-sectional view taken along direction CC' of fig. 2. as shown in fig. 7, optionally, the first red color filter layer 104 includes a fourth surface 1014 on a side of the second surface 1012 away from the substrate base plate 103; the first blue color filter layer 106 includes a sixth surface 1016 on the side of the first surface 1011 remote from the substrate base 103;
an intersection of any straight line X1 parallel to the thickness direction of the display panel 100 and the second surface 1012 is a first intersection a1, an intersection with the fourth surface 1014 is a second intersection a2, and a distance between the first intersection a1 and the second intersection a2 is the thickness d1 of the first red color filter layer 104; an intersection of any straight line X2 parallel to the thickness direction of the display panel 100 and the first surface 1011 is a third intersection A3, an intersection with the sixth surface 1016 is a fourth intersection a4, and a distance between the third intersection A3 and the fourth intersection a4 is the thickness d2 of the first blue color filter layer 106;
wherein the average thickness of the first red color filter layer 104 is greater than the average thickness of the first blue color filter layer 106.
The second surface 1012 of the first red color filter layer 104 protrudes toward the side far from the substrate 103, the first surface 1011 of the first blue color filter layer 106 protrudes toward the side near the substrate 103, and the protruding state of the second surface 1012 of the first red color filter layer 104 is opposite to the protruding state of the first blue color filter layer 106, so as to ensure the adjusting effect of the first red color filter layer 104 and the first blue color filter layer 106 on the external incident light and further improve the imaging effect, the average thickness of the first red color filter layer 104 may be set to be greater than the average thickness of the first blue color filter layer 106, wherein the average thickness of the first red color filter layer 103 is the arithmetic mean value of the thickness d1 of each position of the first red color filter layer 104, and the arithmetic mean value of the thickness d2 of each position of the first blue color filter layer 106. Illustratively, in order to realize that the average thickness of the first red color filter layer 104 is greater than the average thickness of the first blue color filter layer 106, the maximum thickness of the first blue color filter layer 106 may be adjusted to be equal to the minimum thickness of the first red color filter layer 104, so as to realize that the first blue color filter layer 106 is thinned, reduce the light loss of the external incident light after passing through the first blue color filter layer 106, and improve the light flux of the blue light incident on the substrate 103. Meanwhile, since the third surface 1013 of the first green color filter layer 105 protrudes toward the side away from the substrate 103, in order to ensure that the red light, the green light, and the blue light after being incident on the substrate 103 are mixed to form white light, the average thickness of the first green color filter layer 105 may be further adjusted to be greater than the average thickness of the first blue color filter layer 106, the average thickness of the first green color filter layer 105 may be smaller than the thickness of the first red color filter layer 104 or equal to the thickness of the first red color filter layer 104, and the specific setting may be selected according to actual design requirements, which is not specifically limited in the embodiment of the present invention.
Fig. 8 is a schematic cross-sectional view along direction DD' in fig. 2, and as shown in fig. 8, the display panel 100 further includes a first display area 107, where the first display area 107 surrounds the optical component area 101;
the first display region 107 includes a first red display region 1071, a first green display region 1072, and a first blue display region 1073;
the display panel 100 further includes a second red color filter layer 1074 positioned in the first red display region 1071, a second green color filter layer 1075 positioned in the first green display region 1072, and a second blue color filter layer 1076 positioned in the first blue display region 1073;
the first red color filter layer 104 comprises a fourth surface 1014 on the side of the second surface 1012 remote from the substrate 103, the first green color filter layer comprises a fifth surface 1015 on the side of the third surface 1013 remote from the substrate 103, and the first blue color filter layer 106 comprises a sixth surface 1016 on the side of the first surface 1011 remote from the substrate 103;
the second red color filter layer 1074 includes a seventh surface 1017 projecting toward the substrate base plate side 103 and toward the side away from the substrate base plate and an eighth surface 1018 on the side away from the substrate base plate 103 of the seventh surface 1017, the second green color filter layer 1075 includes a ninth surface 1019 projecting toward the substrate base plate 103 side and a tenth surface 1100 on the side away from the substrate base plate 103 of the ninth surface 1019, and the second blue color filter layer 1076 includes an eleventh surface 1101 projecting toward the substrate base plate 103 side and toward the side away from the substrate base plate 103 and a twelfth surface 1102 on the side away from the substrate base plate 103 of the eleventh surface 1101;
in the thickness direction of the display panel 100, a minimum distance between the second surface 1012 and the fourth surface 1014 is a third distance L3, a maximum distance between the first surface 1011 and the sixth surface 1016 is a fourth distance L4, a minimum distance between the third surface 1013 and the fifth surface 1015 is a fifth distance L5, a minimum distance between the seventh surface 1017 and the eighth surface 1018 is a sixth distance L6, a minimum distance between the ninth surface 1019 and the tenth surface 1100 is a seventh distance L7, a maximum distance between the eleventh surface 1101 and the twelfth surface 1102 is an eighth distance L8,
wherein the content of the first and second substances,
wherein the first display region 107 is a normal display region, the first display region 107 is provided with the second red color filter layer 1074, the second green color filter layer 1075, and the second blue color filter layer 1076, a protrusion state of the seventh surface 1017 of the second red color filter layer 1074 corresponds to a protrusion state of the second surface 1012 of the first red color filter layer 104, a protrusion state of the ninth surface 1019 of the second green color filter layer 1075 corresponds to a protrusion state of the third surface 1013 of the first green color filter layer 105, and a protrusion state of the eleventh surface 1101 of the second blue color filter layer 1076 corresponds to a protrusion state of the first surface 1011 of the first blue color filter layer 106, which can be realized by using the same manufacturing process, reducing difficulty of the manufacturing process. Meanwhile, the average thickness of the second blue color filter layer 1076 is greater than that of the second red color filter layer 1074, the average thickness of the second blue color filter layer 1076 is greater than that of the second green color filter layer 1075, and the average thickness of the second blue color filter layer 1076 is thicker, so that the luminous flux of blue light emitted from the second blue color filter layer 1076 can be reduced, blue light damage can be reduced, meanwhile, the average thicknesses of the second red color filter layer 1074 and the second green color filter layer 1075 are reasonably set to be thinner, and the transmittance of light passing through the color filter layers with different thicknesses is adjusted to be different, so that the red light passing through the second red color filter layer 1074, the green light emitted from the second green color filter layer 1075 and the blue light emitted from the second blue color filter layer 1076 are mixed to form white light, and the normal display effect of the first display region 107 is ensured. Because first display area mainly used realizes the display effect, optical component district 101 mainly used guarantees the transmissivity of external incident ray when guaranteeing the display effect, guarantees the normal use of camera. Therefore, it is designed that the average thickness of the first blue color filter layer 106 corresponding to the light transmission function in the optical member region 101 is smaller than the average thickness of the first red color filter layer 104, and the average thickness of the first blue color filter layer 106 is smaller than the average thickness of the first green color filter layer 105, thereby ensuring that the red light incident through the first red color filter layer 104, the green light incident through the first green color filter layer 105, and the blue light incident through the first blue color filter layer 106 can be mixed in the optical member region 101Synthesizing white light to ensure normal imaging effect. Illustratively, the eighth distance L8 of the second blue color filter layer 1076 in the first display region 107 is 10um, the sixth distance L6 of the second red color filter layer 1074 is 7um, the seventh distance L7 of the second green color filter layer 1075 is 5um, the fourth distance L4 of the first blue color filter layer 106 in the corresponding adjustment optics region 101 is 3um, the third distance L3 of the first red color filter layer 104 is 5um, the fifth distance L5 of the first green color filter layer 105 is 4um, such that
The thickness variation of the blue color filter layer is greater than that of the red color filter layer, and the thickness variation of the blue color filter layer is greater than that of the green color filter layer, thereby ensuring that the luminous flux of blue light incident through the first blue color filter layer 106 is greater than that of red light incident through the first red color filter layer 104 and that of blue light incident through the first blue color filter layer 106 is greater than that of green light incident through the first green color filter layer 105, so that the red light, the green light and the blue light are mixed to form white light, and ensuring the imaging effect in the optical component area 101.
With continued reference to fig. 3, optionally, the focal point O1 of the first blue color filter layer 106 is located on the base substrate 103.
Wherein, the first surface 1011 of the first blue color filter layer 106 is convex, and at this time, the first blue color filter layer 106 is equivalent to a convex lens, as shown in fig. 3, the first blue color filter layer 106 is in contact with the inorganic insulating layer in the touch functional layer 1135, and meanwhile, since the refractive index of the first blue color filter layer 106 is greater than that of the inorganic insulating layer in the touch functional layer 1135, the light is converged after the external incident light passes through the first surface 1011 of the first blue color filter layer 106, further, in order to reduce the contact between the light passing through the first blue color filter layer 106 and the substrate 103, the convex radian of the first surface 1011 of the first blue color filter layer 106 can be reasonably controlled, so that the focus O1 of the first blue color filter layer 106 falls on the substrate 103, and the blue light is converged at one point, thereby reducing the contact area between the blue light and the substrate 103 and reducing the absorption of the substrate 103 for the blue light, and then effectively reduce the loss of blue light, guarantee the formation of image effect.
Fig. 9 is a schematic cross-sectional view along direction CC' in fig. 2, and as shown in fig. 9, optionally, the third transparent display area 1023 further includes a microlens layer 108 on a side away from the substrate 103; the microlens layer 108 is positioned on the side of the first blue color filter layer 106 away from the substrate 103;
in the thickness direction of the display panel 100, the microlens layer 108 includes a first microlens layer 1081 and a second microlens layer 1082 which are sequentially disposed, the first microlens layer 1081 is located on one side of the second microlens layer 1082 close to the first blue color filter layer 106, and the refractive index of the first microlens layer 1081 is smaller than that of the second microlens layer 1082;
a light shielding layer 109 is further included between adjacent first red, green, and blue color filter layers 104, 105, and 106, and the first microlens layer 1081 at least partially overlaps the light shielding layer 109 in the thickness direction of the display panel 100.
Further, by disposing the microlens layer 108 on the side of the third transparent display area 1023 away from the substrate 103, the microlens layer 108 includes a first microlens layer 1081 with a low refractive index and a second microlens layer 1082 with a high refractive index, and the first microlens layer 1081 is disposed on the side of the second microlens layer 1082 close to the first blue color filter layer 106, so that the external incident light is deflected toward the optical axis direction by the second microlens layer 1082, and further, the light incident through the second microlens layer 1082 is deflected again toward the direction away from the optical axis direction by the contact surfaces of the first microlens layer 1081 and the second microlens layer 1082, so that the deflected external incident light is incident to the central region of the first blue color filter layer 106, and further, in combination with the convex state of the third surface 1013 of the first blue color filter layer 106, the condensing effect of the blue light incident to the substrate 103 is effectively improved, and the loss of the blue light in the substrate 103 is reduced, and the imaging effect is ensured.
With continued reference to fig. 9, optionally, the first microlens layer 1081 has a refractive index n3, the second microlens layer 1082 has a refractive index n4,
wherein n3 is more than or equal to 1.2 and less than or equal to 1.5, and n4 is more than or equal to 1.7 and less than or equal to 2.0.
The refractive indexes of the first microlens layer 1081 and the second microlens layer 1082 are reasonably controlled, so that external incident light deflects after passing through the first microlens layer 1081 and the second microlens layer 1082, blue light incident to the substrate 103 through the first blue color filter layer 106 has a good convergence effect, the contact area between the blue light and the substrate 103 is reduced, the loss of the blue light on the substrate 103 is reduced, and the imaging effect is guaranteed.
Optionally, in the thickness direction of the display panel 100, a distance between a surface of the first microlens layer 1081 on a side close to the substrate 103 and a surface of the light shielding layer 109 on a side far from the substrate 103 is L, where L is greater than or equal to 1 μm and less than or equal to 6 μm.
With reference to fig. 9, the distance between the surface of the first microlens layer 1081 close to the substrate 103 and the surface of the light shielding layer 109 far from the substrate 103 is adjusted, so that the light emitted to the first blue color filter layer 106 through the first microlens layer 1081 can be received by the first blue color filter layer 106, thereby preventing the external incident light from being absorbed by the light shielding layer 109, reducing the loss of the external incident light, increasing the luminous flux of the blue light incident to the substrate 103 through the first blue color filter layer 106, and ensuring the imaging effect.
Fig. 10 is another schematic cross-sectional structure view along the CC' direction in fig. 2, fig. 11 is a schematic top-view structure view of a display panel according to an embodiment of the present invention, as shown in fig. 10 and fig. 11, optionally, a light shielding layer 109 is further included between adjacent first red color filter layer 104, first green color filter layer 105 and first blue color filter layer 106,
the light-shielding layer 109 includes a first light-shielding layer 1091, a second light-shielding layer 1092, and a third light-shielding layer 1093,
the first light-shielding layer 1091 includes a first opening K1, the second light-shielding layer 1092 includes a second opening K2, the third light-shielding layer 1093 includes a third opening K3, a portion of the first red color filter layer 104 is located in the first opening K1, a portion of the first green color filter layer 105 is located in the second opening K2, and a portion of the first blue color filter layer 106 is located in the third opening K3;
along the thickness direction of the display panel 100, the projection area of the first opening K1 on the substrate base plate 103 is a first projection area S1, the projection area of the second opening K2 on the substrate base plate 103 is a second projection area S2, and the projection area of the third opening K3 on the substrate base plate 103 is a third projection area S3, wherein S3 > S1, and S3 > S2.
Wherein, the first red color filter layer 104 is correspondingly provided with a first light shielding layer 1091, the first light shielding layer 1091 comprises a first opening K1, the first green color filter layer 105 is correspondingly provided with a second light shielding layer 1092, the second light shielding layer 1092 comprises a second opening K2 and the first blue color filter layer 106 is correspondingly provided with a third light shielding layer 1093, the third light shielding layer 1093 comprises a third opening K3, the projected area of the substrate 103 through the third opening K3 is larger than that of the first opening K1 on the substrate 103, and the projected area of the third opening K3 on the substrate 103 is larger than that of the second opening K2 on the substrate 103, so that the luminous flux of the blue incident light incident through the first blue color filter layer 106 is larger than that of the red incident light through the first red color filter layer 104 and the luminous flux of the blue incident light incident through the first blue color filter layer 106 is larger than that of the green incident light incident through the first green color filter layer 105, the absorption effect of the matching substrate base plate 103 on blue incident light is obvious, the projection area of the third opening K3 is increased, and the luminous flux of effective blue incident light is ensured, so that the substrate base plate 103 finally receives red light, green light and blue light, and the mixture of the red light, the green light and the blue light is white light, and the imaging effect is ensured.
Fig. 12 is another schematic cross-sectional structure view along CC ' direction in fig. 2, fig. 13 is another schematic cross-sectional structure view along CC ' direction in fig. 2, and fig. 14 is another schematic cross-sectional structure view along CC ' direction in fig. 2, as shown in fig. 12, fig. 13 and fig. 14, optionally, the display panel 100 further includes a display functional layer 113 sequentially located on one side of the substrate base plate 103; the display function layer 113 includes a first scattering opening 1131 located in the first transparent display area 1021, and scattering particles are disposed in the first scattering opening 1131; and/or, the display function layer 113 includes a second scattering opening 1132 located in the second transparent display area 1022, and scattering particles are disposed in the second scattering opening 1132.
A display function layer 113 is further disposed between the first red color filter layer 104, the first green color filter layer 105, and the first blue color filter layer 106 and the substrate 103, and the display function layer 113 may include a pixel definition layer 1133, a thin film encapsulation layer 1134, and a touch function layer 1135. The first and/or second scattering openings 1131 and 1132 may be disposed in any one of the pixel definition layer 1133, the film encapsulation layer 1134, and the touch function layer 1135 of the display function layer 113. Through increasing the scattering particle at the scattering opening for the scattering effect of the light of incidenting through first transparent display area 1021 and second transparent display area 1022 is obvious, increase red light and green light respectively with substrate base plate 103's area of contact, and then increase substrate base plate 103 red light and green light's absorption, the blue light of reacing substrate base plate 103 is matched through third transparent display area 1023 simultaneously, guarantee that red light, green light and blue light form white light after mixing, guarantee the imaging effect.
With continued reference to fig. 12, 13, and 14, optionally, the ratio of the vertical projection area of the first red color filter layer 104 on the substrate 103 to the vertical projection area of the first scattering openings 1131 on the substrate 103 is a first ratio Z1, and the ratio of the vertical projection area of the first green color filter layer 105 on the substrate 103 to the vertical projection area of the second scattering openings 1132 on the substrate 103 is a second ratio Z2; wherein Z1 is Z2.
The ratio of the vertical projection area of the first red color filter layer 104 on the substrate base plate 103 to the vertical projection area of the first scattering opening 1131 on the substrate base plate 103 is equal to the ratio of the vertical projection area of the first green color filter layer 105 on the substrate base plate 103 to the vertical projection area of the second scattering opening 1132 on the substrate base plate 103, so that the scattering effect of the red incident light passing through the first red color filter layer 104 is the same as the scattering effect of the green incident light passing through the first green color filter layer 105, the same scattering effect of the first red color filter layer 104 and the first green color filter layer 105 on the light is ensured, and further, the convergence effect of the first blue color filter layer 106 on the external incident light is improved, so that the absorption of the substrate base plate 103 on the blue light is reduced, the loss of the blue light is reduced, and the imaging effect is ensured.
With continuing reference to fig. 12, 13, and 14, optionally, the display function layer 113 includes a pixel definition layer 1133, the pixel definition layer 1133 having a first scattering opening 1131 disposed therein; and/or, the second scattering opening 1132.
The first scattering opening 1131 corresponding to the first red color filter layer 104 and the second scattering opening 1132 corresponding to the first green color filter layer 105 may be formed in the pixel definition layer 1133 in the display function layer 113, and the scattering opening of the optical component area 101 may be manufactured synchronously with the pixel opening in the pixel definition layer 1133 in the normal display area, so as to simplify the process flow and improve the manufacturing efficiency. As shown in fig. 12, a first scattering opening 1131 may be disposed in the pixel definition layer 1133 in the display function layer 113 of the first transparent display area 1021, and scattering particles are filled in the first scattering opening 1131, so as to increase the scattering effect of the light incident on the substrate 103 through the first red color filter layer 104, and further increase the absorption of the substrate 103 on the red incident light; similarly, as shown in fig. 13, a second scattering opening 1132 may also be disposed in the pixel defining layer 1133 in the display function layer 113 of the second transparent display region 1022, and scattering particles are filled in the second scattering opening 1132, so as to increase the scattering effect of the light incident to the substrate 103 through the first green color filter layer 105, and further increase the absorption of the green incident light by the substrate 103; similarly, as shown in fig. 14, a first scattering opening 1131 may be disposed in the pixel defining layer 1133 in the display function layer 113 of the first transparent display area 1021, a second scattering opening 1132 is disposed in the pixel defining layer 1133 in the display function layer 113 of the second transparent display area 1022, and scattering particles are filled in both the first scattering opening 1131 and the second scattering opening 1132, so as to increase the scattering effect of the light incident on the substrate 103 through the first red color filter layer 104 and the first green color filter layer 105, and further increase the absorption of the substrate 103 on the red incident light and the green incident light. Fig. 12, 13, and 14 show only by way of example that the first scattering opening 1131 and/or the second scattering opening 1132 are disposed in the pixel definition layer, the first scattering opening 1131 and/or the second scattering opening 1132 may also be disposed in the film encapsulation layer 1134 and the touch functional layer 1135, and meanwhile, the first scattering opening 1131 and the second scattering opening 1132 may be disposed in the same layer or in different layers, which is not limited in this embodiment of the invention. Through increasing the scattering particle for the scattering effect of the light of incidenting through first transparent display area 1021 and second transparent display area 1022 is obvious, and the collocation is to the effect of assembling of the light of incidencing through third transparent display area 1023, and then makes and presents white light after the light of incidencing through first transparent display area 1021, second transparent display area 1022 and third transparent display area 1023 respectively mixes, guarantees the imaging effect.
Based on the same inventive concept, an embodiment of the present invention further provides a display device, fig. 15 is a schematic structural diagram of the display device provided in the embodiment of the present invention, and as shown in fig. 15, the display device 200 includes the display panel 100 according to any embodiment of the present invention, so that the display device 200 provided in the embodiment of the present invention has the technical effects of the technical solutions in any embodiment, and explanations of structures and terms that are the same as or corresponding to the embodiments are not repeated herein. The display device 200 provided in the embodiment of the present invention may be a mobile phone shown in fig. 15, and may also be any electronic product with a display function, including but not limited to the following categories: the touch screen display system comprises a television, a notebook computer, a desktop display, a tablet computer, a digital camera, an intelligent bracelet, intelligent glasses, a vehicle-mounted display, medical equipment, industrial control equipment, a touch interaction terminal and the like, and the embodiment of the invention is not particularly limited in this respect.
Fig. 16 is a schematic cross-sectional structural diagram of a display device according to an embodiment of the present invention, and as shown in fig. 16, optionally, the display device 200 according to the embodiment of the present invention further includes a sensor 201, where the sensor 201 is disposed corresponding to the optical component area 101.
The sensor 201 can include any photosensitive element such as a camera and an infrared sensor, the sensor 201 is arranged corresponding to the optical component area 101, and the distribution density of the pixel circuits in the optical component area 101 is set to be smaller than that of the pixel circuits in the normal display area, and/or the area ratio of the pixel circuits in the optical component area 101 is set to be smaller than that of the pixel circuits in the normal display area, so that the light transmission effect of the optical component area 101 is improved, and the sensor 201 can normally receive light and normally work.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (16)
1. A display panel comprising an optical component area, the optical component area comprising a transparent display area;
the transparent display area comprises a first transparent display area, a second transparent display area and a third transparent display area,
the display panel further comprises a substrate base plate, a first red color filter layer, a first green color filter layer and a first blue color filter layer, wherein the first red color filter layer is positioned in the first transparent display area and is far away from one side of the substrate base plate, the first green color filter layer is positioned in the second transparent display area and is far away from one side of the substrate base plate, and the first blue color filter layer is positioned in the third transparent display area and is far away from one side of the substrate base plate;
the first blue color filter layer includes a first surface facing a side of the base substrate;
wherein the first surface is convex towards one side close to the substrate base plate.
2. The display panel according to claim 1, wherein the first red color filter layer comprises a second surface facing a side of the base substrate, and the first green color filter layer comprises a third surface facing a side of the base substrate;
the second surface is convex towards one side far away from the substrate base plate, and the third surface is convex towards one side far away from the substrate base plate.
3. The display panel according to claim 2, wherein a refractive index of the first red color filter layer is larger than a refractive index of the first green color filter layer,
the maximum included angle between the tangent of any point on the second surface and the substrate base plate is a first included angle theta 1, and the maximum included angle between the tangent of any point on the third surface and the substrate base plate is a second included angle theta 2;
wherein theta 1 is less than theta 2.
4. The display panel according to claim 2, wherein a refractive index of the first red color filter layer is larger than a refractive index of the first green color filter layer,
the first red color filter layer comprises a fourth surface positioned on one side of the second surface far away from the substrate base plate, and the first green color filter layer comprises a fifth surface positioned on one side of the third surface far away from the substrate base plate;
in the thickness direction of the display panel, the maximum distance between the second surface and the fourth surface is a first distance L1, and the maximum distance between the third surface and the fifth surface is a second distance L2;
wherein L1 is more than L2.
5. The display panel according to claim 2, wherein the first red color filter layer comprises a fourth surface on a side of the second surface remote from the base substrate; the first blue color filter layer comprises a sixth surface positioned on one side of the first surface far away from the substrate;
an intersection point of any straight line parallel to the thickness direction of the display panel and the second surface is a first intersection point, an intersection point of any straight line parallel to the thickness direction of the display panel and the fourth surface is a second intersection point, and the distance between the first intersection point and the second intersection point is the thickness of the first red color filter layer; an intersection point of any straight line parallel to the thickness direction of the display panel and the first surface is a third intersection point, an intersection point of any straight line parallel to the thickness direction of the display panel and the sixth surface is a fourth intersection point, and the distance between the third intersection point and the fourth intersection point is the thickness of the first blue color filter layer;
wherein an average thickness of the first red color filter layer is greater than an average thickness of the first blue color filter layer.
6. The display panel according to claim 2, further comprising a first display region surrounding the optical member region;
the first display area comprises a first red display area, a first green display area and a first blue display area;
the display panel further comprises a second red color filter layer positioned in the first red display area, a second green color filter layer positioned in the first green display area, and a second blue color filter layer positioned in the first blue display area;
the first red color filter layer comprises a fourth surface positioned on one side of the second surface far away from the substrate base plate, the first green color filter layer comprises a fifth surface positioned on one side of the third surface far away from the substrate base plate, and the first blue color filter layer comprises a sixth surface positioned on one side of the first surface far away from the substrate base plate;
the second red color filter layer comprises a seventh surface facing one side of the substrate base plate and protruding towards one side far away from the substrate base plate and an eighth surface positioned on one side far away from the substrate base plate of the seventh surface, the second green color filter layer comprises a ninth surface facing one side of the substrate base plate and protruding towards one side of the substrate base plate and a tenth surface positioned on one side far away from the substrate base plate of the ninth surface, and the second blue color filter layer comprises an eleventh surface facing one side of the substrate base plate and protruding towards one side far away from the substrate base plate and a twelfth surface positioned on one side far away from the substrate base plate of the eleventh surface;
a minimum distance between the second surface and the fourth surface is a third distance L3, a maximum distance between the first surface and the sixth surface is a fourth distance L4, a minimum distance between the third surface and the fifth surface is a fifth distance L5, a minimum distance between the seventh surface and the eighth surface is a sixth distance L6, a minimum distance between the ninth surface and the tenth surface is a seventh distance L7, and a maximum distance between the eleventh surface and the twelfth surface is an eighth distance L8 in a thickness direction of the display panel,
wherein the content of the first and second substances,
7. the display panel according to claim 2, wherein a focal point of the first blue color filter layer is located on the substrate base plate.
8. The display panel of claim 1, wherein the third transparent display region further comprises a microlens layer on a side away from the substrate base plate; the micro-lens layer is positioned on one side of the first blue color filter layer away from the substrate base plate;
in the thickness direction of the display panel, the microlens layer comprises a first microlens layer and a second microlens layer which are sequentially arranged, the first microlens layer is positioned on one side, close to the first blue color filter layer, of the second microlens layer, and the refractive index of the first microlens layer is smaller than that of the second microlens layer;
and a light shielding layer is further arranged between the adjacent first red color filter layer, the first green color filter layer and the first blue color filter layer, and the first micro-lens layer and the light shielding layer are at least partially overlapped in the thickness direction of the display panel.
9. The display panel according to claim 1, further comprising a light shielding layer between adjacent the first red color filter layer, the first green color filter layer, and the first blue color filter layer,
the light-shielding layer comprises a first light-shielding layer, a second light-shielding layer and a third light-shielding layer,
the first light-shielding layer includes a first opening, the second light-shielding layer includes a second opening, the third light-shielding layer includes a third opening,
a part of the first red color filter layer is positioned in the first opening, a part of the first green color filter layer is positioned in the second opening, and a part of the first blue color filter layer is positioned in the third opening;
along the thickness direction of the display panel, the projection area of the first opening on the substrate base plate is a first projection area S1, the projection area of the second opening on the substrate base plate is a second projection area S2, and the projection area of the third opening on the substrate base plate is a third projection area S3, wherein S3 is greater than S1, and S3 is greater than S2.
10. The display panel according to claim 1, further comprising a display function layer sequentially located on one side of the substrate base plate;
the display function layer comprises a first scattering opening positioned in the first transparent display area, and scattering particles are arranged in the first scattering opening; and/or the display function layer comprises a second scattering opening positioned in the second transparent display area, and scattering particles are arranged in the second scattering opening.
11. The display panel of claim 10, wherein the ratio of the area of the first red color filter layer vertically projected onto the substrate base to the area of the first scattering opening vertically projected onto the substrate base is a first ratio Z1, and the ratio of the area of the first green color filter layer vertically projected onto the substrate base to the area of the second scattering opening vertically projected onto the substrate base is a second ratio Z2;
wherein Z1 is Z2.
12. The display panel according to claim 10, wherein the display function layer includes a pixel defining layer in which the first scattering opening is disposed; and/or, the second scattering opening.
13. The display panel according to claim 8, wherein the first microlens layer has a refractive index of n3, the second microlens layer has a refractive index of n4,
wherein n3 is more than or equal to 1.2 and less than or equal to 1.5, and n4 is more than or equal to 1.7 and less than or equal to 2.0.
14. The display panel according to claim 8, wherein a distance between a surface of the first microlens layer on a side closer to the base substrate and a surface of the light shielding layer on a side farther from the base substrate in a thickness direction of the display panel is L, wherein L is 1 μm or more and 6 μm or less.
15. A display device characterized by comprising the display panel according to any one of claims 1 to 14.
16. The display device according to claim 15, further comprising: a sensor;
the sensor is arranged corresponding to the optical component area.
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