CN113707825B - Display panel and mobile terminal - Google Patents
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- CN113707825B CN113707825B CN202110887077.5A CN202110887077A CN113707825B CN 113707825 B CN113707825 B CN 113707825B CN 202110887077 A CN202110887077 A CN 202110887077A CN 113707825 B CN113707825 B CN 113707825B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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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
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
Abstract
The embodiment of the invention discloses a display panel and a mobile terminal; the display panel comprises a display main body, a first light-gathering layer positioned on the display main body and a first optical film layer positioned on the first light-gathering layer, wherein the refractive index of the first light-gathering layer is smaller than that of the first optical film layer; the first light-gathering layer comprises a plurality of first convex surfaces, and the protruding direction of the first convex surfaces is the same as the light-emitting direction of the display panel; according to the embodiment of the invention, the first convex surface and the first optical film layer are arranged, and the light emitted by the display main body is converged by utilizing the first convex surface condensation principle and the film layers with different refractive indexes to match the condensation principle, so that the light emitting efficiency of the display panel is improved, and the display brightness of the display panel is improved.
Description
Technical Field
The invention relates to the field of display, in particular to a display panel and a mobile terminal.
Background
Along with the development of display technology, the color requirement is higher and higher, the display brightness is the basis of color, and is limited by the luminescent material or the backlight unit of the display panel, when the same luminescent material or the backlight unit works, light rays with certain brightness can be generated, and in the process that the light rays finally enter human eyes through each film layer of the display panel, the light emitting efficiency of the display panel is seriously reduced due to the excessively thick film layer of the display panel or the poorly designed film layer structure.
Therefore, a display panel and a mobile terminal are needed to solve the above-mentioned problems.
Disclosure of Invention
The embodiment of the invention provides a display panel and a mobile terminal, which can solve the technical problem that the light extraction efficiency is seriously reduced in the process that the light of the display panel finally enters human eyes through a film layer at present.
The embodiment of the invention provides a display panel, which comprises a display main body, a first light-gathering layer positioned on the display main body and a first optical film layer positioned on the first light-gathering layer, wherein the refractive index of the first light-gathering layer is smaller than that of the first optical film layer;
the first light condensation layer comprises a plurality of first convex surfaces, and the protruding direction of the first convex surfaces is the same as the light emitting direction of the display panel.
In an embodiment, the display body includes a plurality of sub-pixels, and one of the sub-pixels corresponds to one of the first convex surfaces of the first light-condensing layer.
In an embodiment, the display panel further includes a touch layer located between the first light-focusing layer and the display main body, the touch layer includes a plurality of touch traces that are staggered in a horizontal-vertical direction, and an orthographic projection of the first convex surface on the touch layer is located outside the touch traces.
In an embodiment, the display panel further includes a color film layer disposed on the display main body and a second light-gathering layer disposed on the color film layer, the color film layer includes a plurality of color resistors, the second light-gathering layer includes a plurality of second convex surfaces, and one of the color resistors corresponds to one of the second convex surfaces of the second light-gathering layer.
In an embodiment, the display panel further includes a second optical film layer on the second light-focusing layer, and a refractive index of the second optical film layer is greater than a refractive index of the first optical film layer.
In an embodiment, the image side focal length of the first convex surface decreases in a direction from a center of the display panel to an edge of the display panel.
In an embodiment, the thicknesses of any two of the first convex surfaces are the same, and the refractive index of the first convex surface increases in a direction from the center of the display panel to the edge of the display panel.
In an embodiment, the display panel includes a folding area and planar areas located at two sides of the folding area, the display main body and the first light-focusing layer are located in the folding area and the planar areas, and an image space focal length of the first convex surface in the folding area is smaller than an image space focal length of the first convex surface in the planar area.
In an embodiment, the thickness of the first convex surface decreases and the refractive index of the first convex surface increases in a direction from an edge of the folding region to a center of the folding region; alternatively, the thickness of the first convex surface increases and the refractive index of the first convex surface decreases in a direction from the edge of the folding region to the center of the folding region.
The embodiment of the invention also provides a mobile terminal, which comprises the display panel and the terminal main body, wherein the terminal main body and the display panel are combined into a whole.
According to the embodiment of the invention, the first convex surface and the first optical film layer are arranged, and the light emitted by the display main body is converged by utilizing the first convex surface condensation principle and the film layers with different refractive indexes to match the condensation principle, so that the light emitting efficiency of the display panel is improved, and the display brightness of the display panel is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a first structure of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic top view of a second structure of a display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a third structure of a display panel according to an embodiment of the present invention;
fig. 4 is a schematic top view of a fourth structure of a display panel according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a fifth structure of a display panel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sixth structure of a display panel according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a seventh structure of a display panel according to an embodiment of the present invention;
fig. 8 is a schematic structural view of an eighth structure of a display panel according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the invention. In the present invention, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
Along with the development of display technology, the color requirement is higher and higher, the display brightness is the basis of color, and is limited by the luminescent material or the backlight unit of the display panel, when the same luminescent material or the backlight unit works, light rays with certain brightness can be generated, and in the process that the light rays finally enter human eyes through each film layer of the display panel, the light emitting efficiency of the display panel is seriously reduced due to the excessively thick film layer of the display panel or the poorly designed film layer structure.
Referring to fig. 1, an embodiment of the present invention provides a display panel 100, including a display main body 200, a first light-focusing layer 300 disposed on the display main body 200, and a first optical film layer 400 disposed on the first light-focusing layer 300, wherein a refractive index of the first light-focusing layer 300 is smaller than a refractive index of the first optical film layer 400;
the first light-focusing layer 300 includes a plurality of first convex surfaces 310, and the convex direction of the first convex surfaces 310 is the same as the light-emitting direction of the display panel 100.
According to the embodiment of the invention, the first convex surface and the first optical film layer are arranged, and the light emitted by the display main body is converged by utilizing the first convex surface condensation principle and the film layers with different refractive indexes to match the condensation principle, so that the light emitting efficiency of the display panel is improved, and the display brightness of the display panel is improved.
The technical scheme of the present invention will now be described with reference to specific embodiments.
The display panel 100 includes a plurality of film layers, after the light emitted by the display panel 100 passes through the plurality of film layers, a scattering phenomenon occurs, when the light exits the display panel 100, the brightness of the light decreases, so that the display loudness decreases, and the display color saturation is further affected, and the display panel 100 includes a display main body 200, a first light-gathering layer 300 located on the display main body 200, and a first optical film layer 400 located on the first light-gathering layer 300; the first light-focusing layer 300 includes a plurality of first convex surfaces 310, the convex direction of the first convex surfaces 310 is the same as the light-emitting direction of the display panel 100, and the refractive index of the first light-focusing layer 300 is smaller than that of the first optical film 400, as shown in fig. 1. The first convex surface 310 may be regarded as a convex lens, the second convex surface 710 is the same as the convex lens, the light condensing principle is equivalent to that of the convex lens, that is, the first convex surface 310 may be a first convex lens, the second convex surface 710 may be a second convex lens, after the light emitted by the display panel 100 passes through the first convex surface 310, a converging effect is generated, the light passes from the first convex surface 310 to the first optical film 400, and from the optical comb to the optical density, a converging effect is also generated, and through the matching between the first convex surface 310 and the first optical film 400, a better light condensing effect is generated, so that the light emitted by the display main body 200 is converged, the light emitting efficiency of the display panel 100 is increased, and the display brightness of the display panel 100 is improved.
In this embodiment, if the display panel 100 adopts the whole light-condensing structure to provide the continuous first convex surface 310, the cost will be increased, and for some flexible display panels 100, bending is not favored, so the display main body 200 includes a plurality of sub-pixels 210, one sub-pixel 210 corresponds to one first convex surface 310 of the first light-condensing layer 300, refer to fig. 2 specifically. Wherein R represents a red pixel, G represents a green pixel, B represents a blue pixel, the sub-pixels 210 and the first convex surfaces 310 are corresponding one by one, the first convex surfaces 310 may be arranged at intervals, so as to achieve a light condensing effect, and meanwhile, the difficulty of the manufacturing process is reduced, and the space between the first convex surfaces 310 is beneficial to bending of the display panel 100, so that the flexibility of the display panel 100 is improved.
In this embodiment, the sub-pixel 210 includes a light emitting unit, and an orthographic projection of the light emitting unit on the corresponding first convex surface 310 is located in the corresponding first convex surface 310. The light converging effect of the first convex surface 310 on the light emitted by the sub-pixels 210 can be ensured, so that the light emitted by the display main body 200 is converged, the light emitting efficiency of the display panel 100 is increased, and the display brightness of the display panel 100 is improved.
In this embodiment, the sub-pixel 210 is any one of a red pixel, a green pixel, and a blue pixel, and the light emitting unit includes any one of a corresponding red light emitting unit, a green light emitting unit, and a blue light emitting unit, the area of any one of the blue light emitting units is larger than the area of any one of the red light emitting units, the area of any one of the red light emitting units is larger than the area of any one of the green light emitting units, the area of all the blue light emitting units is equal to the area of all the red light emitting units, the area of all the blue light emitting units is equal to the area of all the green light emitting units, and the first condensing layer 300 includes a blue convex surface corresponding to the blue light emitting unit, a red convex surface corresponding to the red light emitting unit, and a green convex surface corresponding to the green light emitting unit, and the area of any one of the blue convex surfaces is larger than the area of any one of the red convex surfaces, so that the condensing effect of each pixel can be improved while the integrated luminance of each pixel is ensured.
In this embodiment, the focal length of the image side of any one of the green convex surfaces is smaller than the focal length of the image Fang Jiaoju of any one of the red convex surfaces, the focal length of the image side of any one of the red convex surfaces is smaller than the focal length of the image side of any one of the blue convex surfaces, the area of the green light emitting unit is slightly smaller, the light emitting brightness of the green pixel needs to be enhanced, the light collecting capability of the convex surface with the smaller focal length of the image side is stronger, the light collecting effect is better, the emitted light brightness is higher, the display effect is better, the brightness uniformity of the three colors of red, green and blue is improved, the color standard of the whole display panel 100 can be improved, and the display effect is enhanced.
In this embodiment, the thickness of any one of the green convex surfaces is greater than the thickness of any one of the red convex surfaces, the thickness of any one of the red convex surfaces is less than the thickness of any one of the blue convex surfaces, the area of the green light emitting unit is slightly smaller, the light emitting brightness of the green pixel needs to be enhanced, the larger the thickness is, the smaller the focal length of the image space of the convex surface is, the stronger the light gathering capability of the convex surface is, the better the light gathering effect is, the higher the emitted light brightness is, the better the display effect is, the uniformity of the brightness of the three colors of red, green and blue is improved, the color standard of the whole display panel 100 can be improved, and the display effect is enhanced.
In this embodiment, the thickness of any one of the green convex surfaces is equal to the thickness of any one of the red convex surfaces, the thickness of any one of the red convex surfaces is equal to the thickness of any one of the blue convex surfaces, the refractive index of any one of the green convex surfaces is greater than the refractive index of any one of the red convex surfaces, the refractive index of any one of the red convex surfaces is less than the refractive index of any one of the blue convex surfaces, by setting materials with different refractive indexes (such as ink-jet printing and roll printing, etc.), the area of the green light emitting unit is slightly smaller, the light emitting brightness of the green pixel needs to be enhanced, the larger the refractive index is, the smaller the focal length of the image side of the convex surface is, the stronger the converging effect of the convex surface is, the better the converging effect of light is, the higher the display effect is, the brightness uniformity of three colors of red, green and blue can be improved, and the display effect is enhanced.
In this embodiment, the display panel 100 further includes a touch layer 500 disposed between the first light-focusing layer 300 and the display main body 200, the touch layer 500 includes a plurality of touch traces 510 that are staggered in a horizontal-vertical direction, and the orthographic projection of the first convex surface 310 on the touch layer 500 is located outside the touch traces 510, refer to fig. 3 and fig. 4. The touch traces 510 cross to form a rectangular pattern at the center, and the first convex surface 310 is located in the rectangular pattern in the top view of the display panel 100, and the first convex surface 310 is used for positioning, so that the touch traces 510 can be more conveniently positioned, the touch and display functions are not interfered with each other, the light rays are not affected each other, and the working performance of the display panel 100 is improved.
In this embodiment, the touch layer 500 may be formed by physical deposition or chemical deposition.
In this embodiment, the display panel 100 further includes a color film layer 600 disposed on the display main body 200 and a second light-gathering layer 700 disposed on the color film layer 600, the color film layer 600 includes a plurality of color resists 610, the second light-gathering layer 700 includes a plurality of second convex surfaces 710, one of the color resists 610 corresponds to one of the second convex surfaces 710 of the second light-gathering layer 700, and a protruding direction of the second convex surface 710 is the same as a light-emitting direction of the display panel 100, as shown in fig. 5. When the display panel 100 is an OLED (Organic Light-Emitting Diode) display panel 100, the color film layer 600 may replace a polarizing layer and a cover plate layer (ultrathin glass or thermoplastic polyester) in the prior art, so as to reduce the thickness of the display panel 100, and facilitate development of bending, stretching, and curling states with smaller radius, the color film layer 600 further includes a Light shielding layer 620 located between two adjacent color resists 610, the color film layer 600 may improve the contrast ratio and display saturation of the display panel 100, and the second Light gathering layer 700 is on the color film layer 600, so that on one hand, the Light gathering degree of the display panel 100 may be further improved, the display quality of the display panel 100 may be improved, on the other hand, the color resists 610 may be utilized to perform positioning, so that the second convex surface 710 in the second Light gathering layer 700 may perform positioning setting, simplify the manufacturing process, and reduce the manufacturing difficulty.
In this embodiment, the plurality of second convex surfaces 710 may correspond to one of the color resistors 610, so as to achieve a good light-equalizing effect.
In this embodiment, the light shielding layer 620 is disposed above the plurality of color resists 610, the orthographic projection of the color resists 610 on the light shielding layer 620 is disposed outside the light shielding layer 620, one side of the color resists 610 close to the light shielding layer 620 is a convex surface, and the color resists 610 can collect light by using the condensing principle of convex lenses, so as to improve the overall brightness of the display panel 100 and enhance the display effect.
In this embodiment, the convex surfaces in the first light-gathering layer 300 and the second light-gathering layer 700 can gather light to a greater extent, and for edge stray light, the light-gathering effect of the convex surfaces is weaker, the display panel 100 further includes a second optical film layer 800 disposed on the second light-gathering layer 700, the refractive index of the second optical film layer 800 is greater than that of the first optical film layer 400, and specifically referring to fig. 5, the refractive index of the first optical film layer 400 is greater than that of the first convex surface 310, so as to form a refractive index gradient, when light passes through the first convex surface 310, the first optical film layer 400 and the second optical film layer 800, the light has a better gathering effect, and when light passes through only the first optical film layer 400 and the second optical film layer 800, the light has a better gathering effect, and the overall light gathering effect is further improved by utilizing the refractive index gradient, so that the overall light gathering effect of the display panel 100 is further improved.
In this embodiment, when the display panel 100 is an OLED display panel 100, the display panel 100 includes a plurality of light emitting units, the distance between the two sides of the light emitting units, which are close to the first convex surface 310, is equal to the focal length of the image space of the first convex surface 310, that is, the light emitted by the center of the light emitting unit passes through the first convex surface and then is emitted in parallel, so that the light converging capability is improved, and the light uniformity is enhanced.
In this embodiment, as the size of the display panel 100 increases, the brightness of the large viewing angle may decrease at the edge of the display panel 100, and the focal length of the first convex surface 310 in the direction from the center of the display panel 100 to the edge of the display panel 100 decreases, as shown in fig. 6. The dashed arrow in the drawing indicates the path of the light emitted by the display panel 100, so that the light condensing capability of the first convex surface 310 near the edge of the display panel 100 is enhanced, the light condensing effect of the edge of the display panel 100 is further enhanced, the brightness of the edge of the display panel 100 is further enhanced, the influence of the color patches with a large viewing angle on the edge is reduced, and the display effect is enhanced.
In this embodiment, in the direction from the center of the display panel 100 to the edge of the display panel 100, the thickness of the first convex surface 310 gradually increases, the larger the thickness is, the smaller the focal length of the image side of the first convex surface 310 is, the stronger the light collecting capability of the first convex surface 310 is, the better the light collecting effect is, the higher the brightness of the emitted light is, the light collecting capability of the first convex surface 310 near the edge of the display panel 100 is enhanced, the light collecting effect of the edge of the display panel 100 is further enhanced, the brightness of the edge of the display panel 100 is further enhanced, the influence of color patches with large viewing angles on the edge is weakened, and the display effect is enhanced.
In this embodiment, in the direction from the center of the display panel 100 to the edge of the display panel 100, the thicknesses of any two first convex surfaces 310 are the same, the refractive index of the first convex surface 310 is gradually increased, the larger the refractive index is, the smaller the focal length of the image space of the first convex surface 310 is, the stronger the light collecting capability of the first convex surface 310 is, the better the light collecting effect is, the higher the brightness of the emitted light is, the light collecting capability of the first convex surface 310 near the edge of the display panel 100 is enhanced, the light collecting effect of the edge of the display panel 100 is further enhanced, the brightness of the edge of the display panel 100 is further enhanced, the influence of the color chips with a large visual angle at the edge is weakened, and the display effect is enhanced.
In this embodiment, with the improvement of the display technology, the display panel 100 is developed in a bendable direction, a crease is generated in a folded area, the crease affects the display brightness of the area, and affects the viewing experience of a user, the display panel 100 includes a folded area B and a planar area a located at two sides of the folded area B, the display main body 200 and the first light-gathering layer 300 are located in the folded area B and the planar area a, the image focal length of the first convex surface 310 in the folded area B is smaller than the image focal length of the first convex surface 310 in the planar area a, and referring to fig. 7, the refraction light-gathering capability of the first convex surface 310 in the folded area B is enhanced, the display brightness of the folded area B is improved, the adverse display effect of the crease on the folded area B is reduced, the color accuracy of the overall display panel 100 can be improved, and the display effect is enhanced.
In this embodiment, the difference between the first convex surface 310 in the folding area B and the first convex surface 310 in the planar area a may be that the thickness is different, that is, the thickness of the first convex surface 310 in the folding area B is greater than the thickness of the first convex surface 310 in the planar area a, or the difference between the first convex surface 310 in the folding area B and the first convex surface 310 in the planar area a may be that the refractive index is different, that is, the thickness of the first convex surface 310 in the folding area B is equal to the thickness of the first convex surface 310 in the planar area a, the refractive index of the first convex surface 310 in the folding area B is greater than the refractive index of the first convex surface 310 in the planar area a, and by changing the thickness or the refractive index, the image focal length of the first convex surface 310 in the folding area B is reduced, the light gathering ability of the first convex surface 310 in the folding area B is increased, the overall light gathering effect on the folded area B is reduced, and the overall display quality of the display panel may be enhanced, and the display quality may be improved.
In this embodiment, for the foldable display panel 100, the thickness of the first convex surface 310 decreases in the direction from the edge of the folding area B to the center of the folding area B, and the refractive index of the first convex surface 310 increases, as shown in fig. 8; alternatively, the thickness of the first convex surface 310 increases in the direction from the edge of the folding zone B to the center of the folding zone B, and the refractive index of the first convex surface 310 decreases, and it is easily understood that reference may be made to fig. 8 without repeated drawings. The first convex surfaces 310 with different thicknesses are arranged to facilitate inner folding or outer folding, and meanwhile, different refractive indexes are arranged, so that any two of the first convex surfaces 310 in the folding area B are optimally arranged to be the same in image Fang Jiaoju, when the display panel 100 is unfolded, the light condensation capacity of the first convex surfaces 310 in the folding area B is the same, the brightness of the folding area B tends to be consistent, and the display color difference of the folding area B is reduced.
In this embodiment, the material of the first convex surface 310 in the first light-collecting layer 300 and/or the second light-collecting layer 700 may be any one or more transparent materials such as transparent polyimide, transparent silica gel, and transparent resin, and the material of the first optical film layer 400 and/or the second optical film layer 800 may be any one or more transparent materials such as transparent polyimide, transparent silica gel, and transparent resin.
In this embodiment, the refractive index ranges of the first light-gathering layer 300, the second light-gathering layer 700, the first optical film layer 400 and the second optical film layer 800 may be 1.2 to 2.0, so that the light-gathering effect can be improved, the light can not be too concentrated, and color cast is avoided in a larger viewing angle.
In this embodiment, the display body 200 includes a substrate, a buffer layer on the substrate, an active layer on the buffer layer, a first insulating layer on the active layer, a gate layer on the first insulating layer, a second insulating layer on the gate layer, a source drain layer on the second insulating layer, and a third insulating layer on the source drain layer.
In this embodiment, the display panel 100 may be a liquid crystal display panel 100, and the display main body 200 further includes a backlight unit located at one side of the substrate, a liquid crystal layer located at one side of the third insulating layer, upper and lower polarizing plates located at two sides of the liquid crystal layer, and a color film substrate located on the liquid crystal layer.
In this embodiment, the display panel 100 may be an OLED display panel 100, and the display main body 200 further includes a light emitting device layer located on one side of the third insulating layer, where the light emitting device layer includes an anode layer located on the third insulating layer, a light emitting material layer located on the anode layer, and a cathode layer located on the light emitting material layer.
In this embodiment, the display panel 100 further includes an encapsulation layer between the display main body 200 and the first light-gathering layer 300, where the encapsulation layer may be an inorganic/organic/inorganic three-layer structure or other multi-layer structure, and may be formed by chemical deposition, sputtering, atomic layer deposition, vacuum evaporation, inkjet printing, etc.
According to the embodiment of the invention, the first convex surface and the first optical film layer are arranged, and the light emitted by the display main body is converged by utilizing the first convex surface condensation principle and the film layers with different refractive indexes to match the condensation principle, so that the light emitting efficiency of the display panel is improved, and the display brightness of the display panel is improved.
Referring to fig. 9, an embodiment of the present invention further provides a mobile terminal 10, including a display panel 100 and a terminal body 20 as described above, wherein the terminal body 20 is integrated with the display panel 100.
The specific structure of the display panel 100 is shown in any of the embodiments of the display panel 100 and fig. 1 to 8, and will not be described herein.
In this embodiment, the terminal body 20 may include a middle frame, a frame glue, etc., and the mobile terminal 10 may be a mobile display terminal such as a mobile phone, a tablet, etc., which is not limited herein.
The embodiment of the invention discloses a display panel and a mobile terminal; the display panel comprises a display main body, a first light-gathering layer positioned on the display main body and a first optical film layer positioned on the first light-gathering layer, wherein the refractive index of the first light-gathering layer is smaller than that of the first optical film layer; the first light-gathering layer comprises a plurality of first convex surfaces, and the protruding direction of the first convex surfaces is the same as the light-emitting direction of the display panel; according to the embodiment of the invention, the first convex surface and the first optical film layer are arranged, and the light emitted by the display main body is converged by utilizing the first convex surface condensation principle and the film layers with different refractive indexes to match the condensation principle, so that the light emitting efficiency of the display panel is improved, and the display brightness of the display panel is improved.
The display panel and the mobile terminal provided by the embodiments of the present invention are described in detail, and specific examples are applied to illustrate the principles and the implementation of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present invention, the present description should not be construed as limiting the present invention.
Claims (7)
1. The display panel is characterized by comprising a display main body, a first light-gathering layer positioned on the display main body and a first optical film layer positioned on the first light-gathering layer, wherein the refractive index of the first light-gathering layer is smaller than that of the first optical film layer;
the first light-gathering layer comprises a plurality of first convex surfaces, the convex direction of the first convex surfaces is the same as the light-emitting direction of the display panel, the display main body comprises a plurality of sub-pixels, one sub-pixel corresponds to one first convex surface of the first light-gathering layer, the sub-pixel is any one of red pixels, green pixels or blue pixels, the area of any one blue pixel is larger than the area of any one red pixel, the area of any one red pixel is larger than the area of any one green pixel, the area of any one red pixel is larger than the area of any one blue convex surface, the red convex surface comprises a red convex surface, a red convex surface and a green convex surface which correspond to different color pixels, the image side focal length of any one green convex surface is smaller than the image side focal length of any one red convex surface, the display panel comprises a folding area and a plane area which is positioned on two sides of the folding area, the area of the first convex surface is larger than the area, the first convex surface is positioned in the folding area, the thickness of the first convex surface is reduced to the first focal length of the first convex surface, the first convex surface is reduced to the first refractive index of the folding area is reduced to the first area, the thickness of the first convex surface is reduced to the first focal length of the first area is reduced, and the first focal length is reduced to the first focal length of the first area is 35.
2. The display panel of claim 1, further comprising a touch layer between the first light-gathering layer and the display body, the touch layer comprising a plurality of laterally and longitudinally staggered touch traces, the orthographic projection of the first convex surface on the touch layer being located outside the touch traces.
3. The display panel of claim 2, further comprising a color film layer on the display body and a second light focusing layer on the color film layer, wherein the color film layer comprises a plurality of color resistors, the second light focusing layer comprises a plurality of second convex surfaces, and one of the color resistors corresponds to one of the second convex surfaces of the second light focusing layer.
4. The display panel of claim 3, further comprising a second optical film layer on the second light gathering layer, the second optical film layer having a refractive index greater than a refractive index of the first optical film layer.
5. The display panel of claim 1, wherein an image side focal length of the first convex surface decreases in a direction from a center of the display panel to an edge of the display panel.
6. The display panel according to claim 5, wherein the thickness of any two of the first convex surfaces is the same, and the refractive index of the first convex surface increases in a direction from the center of the display panel to the edge of the display panel.
7. A mobile terminal comprising the display panel according to any one of claims 1 to 6 and a terminal body, the terminal body being integrated with the display panel.
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| CN114967203B (en) * | 2022-05-16 | 2024-02-20 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN115083272A (en) * | 2022-06-10 | 2022-09-20 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
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| JP5417696B2 (en) * | 2007-09-07 | 2014-02-19 | ソニー株式会社 | Liquid crystal display |
| CN104020600A (en) * | 2014-05-27 | 2014-09-03 | 京东方科技集团股份有限公司 | Display panel and display device |
| JP7245220B2 (en) * | 2018-02-16 | 2023-03-23 | ソニーセミコンダクタソリューションズ株式会社 | Display device and manufacturing method thereof |
| CN110581230B (en) * | 2019-09-16 | 2022-06-07 | 合肥鑫晟光电科技有限公司 | Display panel, manufacturing method and display device |
| CN110875369A (en) * | 2019-11-27 | 2020-03-10 | 京东方科技集团股份有限公司 | Display back plate, display panel, manufacturing method of display panel and display device |
| KR20210078802A (en) * | 2019-12-19 | 2021-06-29 | 엘지디스플레이 주식회사 | Dislay Device |
| CN112928146B (en) * | 2021-02-03 | 2024-03-15 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN113471259B (en) * | 2021-06-25 | 2022-09-09 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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