CN111029361A - Display panel - Google Patents
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- CN111029361A CN111029361A CN201911423142.8A CN201911423142A CN111029361A CN 111029361 A CN111029361 A CN 111029361A CN 201911423142 A CN201911423142 A CN 201911423142A CN 111029361 A CN111029361 A CN 111029361A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
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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
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
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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
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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Abstract
The invention discloses a display panel, which comprises a plurality of unit substrates, wherein each unit substrate comprises a substrate and a plurality of light-emitting devices arranged on the substrate; each unit substrate includes a plurality of light emitting devices positioned in a first column, a plurality of light emitting devices positioned in a second column, and a plurality of light emitting devices positioned between the first column and the second column, the plurality of light emitting devices of the first column includes a red light emitting device, a blue light emitting device, and a green light emitting device, and/or the plurality of light emitting devices of the second column includes a red light emitting device, a blue light emitting device, and a green light emitting device. The technical scheme of the invention aims to better solve the problem of color cast.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel.
Background
In the exemplary technology, R, G, B subpixels of three colors constitute a pixel unit, a plurality of pixel units constitute a basic pixel unit, a plurality of basic pixel units constitute a basic pixel unit, and a plurality of basic pixel units constitute a display panel. Since the two outermost sides of the basic pixel unit are usually set as the sub-pixels of the same color and there is a gap between the basic pixel units, it is easy to cause a significant color shift.
The above-mentioned contents are only for assisting understanding of the technical solution of the present application, and do not represent an admission that the above-mentioned contents are prior art.
Disclosure of Invention
The invention mainly aims to provide a display panel, aiming at better improving the problem of color cast.
In order to achieve the above object, the present invention provides a display panel including a plurality of unit substrates, each unit substrate including a substrate and a plurality of light emitting devices disposed on the substrate;
each unit substrate includes a plurality of light emitting devices positioned in a first column, a plurality of light emitting devices positioned in a second column, and a plurality of light emitting devices positioned between the first column and the second column, the plurality of light emitting devices of the first column includes a red light emitting device, a blue light emitting device, and a green light emitting device, and/or the plurality of light emitting devices of the second column includes a red light emitting device, a blue light emitting device, and a green light emitting device.
In some embodiments of the present invention, the light emitting device is any one of an LED light emitting device, a MINI LED light emitting device, a MICRO LED light emitting device, an OLED light emitting device.
In some embodiments of the present invention, the plurality of light emitting devices of the first column are arranged in the same manner as the plurality of light emitting devices of the second column.
In some embodiments of the present invention, a ratio of the number M of green light emitting devices, the number N of blue light emitting devices, and the number F of red light emitting devices within the plurality of light emitting devices of the first column is: M/N/F ═ 1 to 3: (1-10): (1-10).
In some embodiments of the present invention, a value of M may be any one of natural numbers 1, 2, and 3, a value of N may be any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9, and 10, and a value of F may be any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9, and 10; the values of N and F are the same, and the value of M is less than or equal to the values of N and F.
In some embodiments of the present invention, a ratio of the number H of green light emitting devices, the number X of blue light emitting devices, and the number Y of red light emitting devices within the plurality of light emitting devices of the second column is: H/X/Y ═ 1 to 3: (1-10): (1-10).
In some embodiments of the present invention, a value of H may be any one of natural numbers 1, 2, and 3, a value of X may be any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9, and 10, and a value of Y may be any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9, and 10; the values of X and Y are the same, and the value of H is less than or equal to the values of N and F.
In some embodiments of the present invention, the number a of green light emitting devices, the number B of blue light emitting devices, and the number C of red light emitting devices in the plurality of light emitting devices located between the first column and the second column are related to: (M + H + a)/(N + X + B)/(F + Y + C) ═ 1:1: 1.
in some embodiments of the present invention, the display panel further comprises a blocking layer disposed on a light emitting side of the green light emitting device and configured to absorb a portion of light emitted from the green light emitting device.
In some embodiments of the present invention, the plurality of light emitting devices positioned between the plurality of light emitting devices of the first column and the plurality of light emitting devices of the second column includes one or more columns of light emitting devices, and each column of light emitting devices is arranged in the same manner as the plurality of light emitting devices of the first column or the plurality of light emitting devices of the second column.
The technical scheme includes that a plurality of light emitting devices are arranged on a substrate of a unit substrate, each unit substrate comprises a plurality of light emitting devices positioned in a first row, a plurality of light emitting devices positioned in a second row and a plurality of light emitting devices positioned between the first row and the second row, the plurality of light emitting devices in the first row comprise red light emitting devices, blue light emitting devices and green light emitting devices, and/or the plurality of light emitting devices in the second row comprise red light emitting devices, blue light emitting devices and green light emitting devices. Therefore, when the unit substrates are spliced, because the light-emitting devices in the first row and the light-emitting devices in the second row have multiple colors in the row direction, when three color lights are projected to three points which are very close to each other on the same surface based on a spatial color mixing method, the resolution of human eyes is limited, and a color feeling of mixing the primary color lights can be generated. When the display panel displays the picture, the picture is mixed to realize multiple colors, so that the splicing gap between the unit substrates is close to or even consistent with the light when the display panel is viewed frontally, thereby improving the problem of color cast. Therefore, the technical scheme of the invention can better improve the problem of color cast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a unit substrate of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a unit substrate of a display panel according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a display panel according to yet another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a display panel according to yet another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a display panel according to yet another embodiment of the invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a display panel 1000.
Referring to fig. 1 to 6, a display panel 1000 according to the present invention includes a plurality of unit substrates 100, and the unit substrates 100 may be arranged in an array; each unit substrate 100 includes a substrate and a plurality of light emitting devices disposed on the substrate, the plurality of light emitting devices being periodically arranged in a row direction and a column direction; each unit substrate 100 includes a plurality of light emitting devices 200 positioned in a first column, a plurality of light emitting devices 300 positioned in a second column, and a plurality of light emitting devices positioned between the first column and the second column, the plurality of light emitting devices 200 of the first column includes a red light emitting device 13, a blue light emitting device 12, and a green light emitting device 11, and/or the plurality of light emitting devices 300 of the second column includes a red light emitting device 13, a blue light emitting device 12, and a green light emitting device 11.
In an embodiment of the present application, the material of the substrate may include a substrate formed of one or more of various materials such as a glass material, a metal material, or a plastic material (e.g., polyethylene terephthalate (PET), polyethylene naphthalate (PEN), Polyimide (PI)), as long as the components of the display panel 1000 can be supported. The substrate base plate may also be bendable or foldable. And the substrate base plate is also provided with a non-display area for limiting the pixel display area, and the non-display area is generally provided with a driving circuit, so that the normal work of the display panel 1000 is ensured. The number of pixel display areas may be a plurality of unconnected areas and thus may be used to house a plurality of display modules.
In one embodiment, the column direction is vertical, the row direction is horizontal, and in the column direction, by spatial color mixing, red + green is yellow, green + blue is cyan, red + blue is magenta, and red + green + blue is white, so that the sub-pixel light rays with different colors in the vertical direction can be mixed, and when the display panel 1000 is used, the front-view light approaches, and the color shift problem is improved.
The light emitting devices 200 in the first column and the light emitting devices 300 in the second column are located at both ends of the display panel 1000 in the row direction, and the light emitting devices 200 in the first column are disposed at the ends of the display panel 1000 in the row direction because side-view color shift mainly occurs at the ends of the display panel 1000 in the row direction; and/or the second column of the plurality of light emitting devices 300 is disposed at the end of the row direction to prevent color shift by spatial color mixing.
According to the technical scheme of the invention, a plurality of light emitting devices are arranged on a substrate of a unit substrate 100, each unit substrate 100 comprises a plurality of light emitting devices 200 positioned in a first column, a plurality of light emitting devices 300 positioned in a second column and a plurality of light emitting devices positioned between the first column and the second column, the plurality of light emitting devices 200 in the first column comprise a red light emitting device 13, a blue light emitting device 12 and a green light emitting device 11, and/or the plurality of light emitting devices 300 in the second column comprise a red light emitting device 13, a blue light emitting device 12 and a green light emitting device 11. Thus, when the unit substrates 100 are joined, since the light emitting devices 200 of the first row and the light emitting devices 300 of the second row have a plurality of colors in the row direction, when three color lights are projected to three points on the same surface, which are closely spaced from each other, based on the spatial color mixing method, the resolution of the human eye is limited, and a color sense of mixing of the primary colors can be generated. When the display panel 1000 displays a picture, the picture is also mixed to realize multiple colors, so that the splicing gap between the unit substrates 100 is close to or even consistent with the light when the display panel 1000 is viewed frontally, thereby improving the problem of color cast. Therefore, the technical scheme of the invention can better improve the problem of color cast.
It is understood that the display panel 1000 of the present application may further include a white or other color light emitting device, and the fourth sub-pixel may be arranged along a row direction with each of the red light emitting device 13, the blue light emitting device 12, and the green light emitting device 11. Since the display panel 1000 is prone to color shift, when the light emitting devices 200 in the first column and/or the light emitting devices 300 in the second column include four colors, and the light emitting devices at the ends of the row direction are arranged in multiple colors in the column direction, the light at the edges can be improved to be consistent with the light of the front view display panel 1000 by a spatial color mixing method. In an embodiment, the arrangement of the light emitting devices 200 in the first column and/or the light emitting devices 300 in the second column of the adjacent display panel 1000 may be red, green, blue, white, red, green, blue, and white, as long as color mixing is facilitated and color shift is avoided.
In some embodiments of the present invention, the light emitting device is one of an LED light emitting device, a MINI LED light emitting device, and a MICRO LED light emitting device, and in this embodiment, the light emitting device is an LED light emitting device, that is, in this embodiment, the display panel 1000 is an LED display panel 1000, and the LED display panel 1000 has high intensity light emission, and under refraction of sunlight, the content on the surface of the screen can be presented in a visible range in a high definition; the gray scale control level is high. The 1024-4096-level gray level can be used for controlling clear and vivid display of more than 16.7M colors, and the super-strong stereoscopic impression of the picture is ensured; the driving power is high, the scanning mode is mainly static latching, and high-intensity light is guaranteed; in order to ensure the optimality of the playing effect, the brightness can be reasonably controlled by an automatic adjusting function under different background environments; the circuit integration mainly has the advantages of improving the operation reliability and being beneficial to maintenance and debugging work by means of a large-scale inlet device, so that the display panel 1000 has better display performance.
Referring to fig. 1 and 2, in some embodiments of the present invention, the plurality of light emitting devices of the first column are arranged in the same manner as the plurality of light emitting devices of the second column. So set up, on the one hand can reduce display panel 1000's preparation process, reduce display panel 1000's cost of manufacture, and on the other hand, can also realize the mixture of colour betterly, avoids display panel 1000's side view colour cast.
Referring to fig. 1 to 6, in some embodiments of the present invention, a ratio of the number M of green light emitting devices 11, the number N of blue light emitting devices 12, and the number F of red light emitting devices 13 within the plurality of light emitting devices of the first column is: M/N/F ═ 1 to 3: (1-10): (1-10).
Since the unit substrates 100 are mainly located at both sides in the row direction after being assembled, color shift may be reduced by defining the colors of the light emitting devices located at both side regions in the row direction of the display panel 1000. It is considered that the human eye has a very high resolution for the color and brightness of light, and is particularly sensitive to differences and variations in color. The sensitivity of the human eye to light of different color wavelengths is different. For example, for light with a wavelength of 585nm, the human eye can perceive it as a color change greater than 1nm, the human eye is most sensitive to changes in light with a wavelength of 585nm, the resolution is highest, and 585nm is well within the green range; while for red light with a wavelength of 650nm, the human eye can only detect when the color change is at 3 nm. Therefore, the number of the green light emitting devices can be set to be smaller than the number of the red light emitting devices and the blue light emitting devices, and the response of human eyes to green can be reduced, so that the color cast generated by light emitted by the green light emitting devices is reduced, and the color cast of an adjacent display area is reduced. It can be understood that the value of M can be any one of natural numbers 1, 2 and 3, the value of N can also be any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9 and 10, and the value of F can also be any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9 and 10, which can reduce color cast; preferably, the values of N and F are the same, and the value of M is less than or equal to the values of N and F.
Referring to fig. 1 to 6, in some embodiments of the present invention, a ratio of the number H of green light emitting devices 11, the number X of blue light emitting devices 12, and the number Y of red light emitting devices 13 within the plurality of light emitting devices of the second column is: H/X/Y ═ 1 to 3: (1-10): (1-10). Since the unit substrates 100 are mainly located at both sides in the row direction after being assembled, color shift may be reduced by defining the colors of the light emitting devices located at both side regions in the row direction of the display panel 1000. It is considered that the human eye has a very high resolution for the color and brightness of light, and is particularly sensitive to differences and variations in color. The sensitivity of the human eye to light of different color wavelengths is different. For example, for light with a wavelength of 585nm, the human eye can perceive it as a color change greater than 1nm, the human eye is most sensitive to changes in light with a wavelength of 585nm, the resolution is highest, and 585nm is well within the green range; while for red light with a wavelength of 650nm, the human eye can only detect when the color change is at 3 nm. Therefore, the number of the green light emitting devices is smaller than that of the red light emitting devices and that of the blue light emitting devices, so that the response of human eyes to green can be reduced, the color cast generated by light emitted by the green light emitting devices can be reduced, and the color cast of an adjacent display area can be reduced. It can be understood that the value of H can be any one of natural numbers 1, 2, and 3, the value of X can be any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9, and 10, the value of Y can also be any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9, and 10, and the like, and color cast can be reduced; preferably, X and Y have the same value, and H has a value less than or equal to the values of N and F.
Referring to fig. 1 and 2, in some embodiments of the present invention, the number a of green light emitting devices 11, the number B of blue light emitting devices 12, and the number C of red light emitting devices 13 in the plurality of light emitting devices between the first column and the second column have a relationship with the plurality of LED light emitting devices of the first column and the plurality of LED light emitting devices of the second column: (M + H + a)/(N + X + B)/(F + Y + C) ═ 1:1: 1. in this embodiment, a plurality of light emitting devices are further disposed between the plurality of light emitting devices 200 in the first row and the plurality of light emitting devices 300 in the second row, and the arrangement of the plurality of light emitting devices also has three types of red light emitting devices, green light emitting devices, and blue light emitting devices in the row direction, so that the mixing degree of spatial color mixing can be further improved, and color shift at the joint of the unit substrate 100 can be prevented. Furthermore, in general, considering that the pixel unit 10 includes a green light emitting device, a red light emitting device, and a blue light emitting device (or is combined with light emitting devices of other colors), the green light emitting device, the red light emitting device, and the blue light emitting device of the display panel 1000 are set to be 1:1:1, so that on one hand, the uniformity of spatial color mixing is higher, and the occurrence of more single colors is reduced, and on the other hand, the manufacturing of the display panel 1000 is more convenient, and since the pixel units 10 of the unit substrate 100 are all set to be multiple colors, a certain setting rule can be provided, only the arrangement order is adjusted, and the manufacturing cost is reduced.
Referring to fig. 1 to 6, in an embodiment of the present application, the plurality of light emitting devices positioned between the plurality of light emitting devices 200 of the first column and the plurality of light emitting devices 300 of the second column of each unit substrate 100 include one or more columns of light emitting devices. Each column of the light emitting devices is arranged in the same manner as the plurality of light emitting devices 200 of the first column or the plurality of light emitting devices 300 of the second column. Alternatively, the arrangement of each of the light emitting devices between the light emitting devices 200 of the first column and the light emitting devices 300 of the second column is the same as the arrangement of the light emitting devices 200 of the first column and the arrangement of the light emitting devices 300 of the second column. So set up, make display panel 1000's colour mixture even through the space colour mixture method, guaranteed display panel 1000's display effect.
In an embodiment of the present application, the display panel 1000 further includes a shielding layer disposed on a light emitting side of the green light emitting device and used for absorbing a part of light emitted from the green light emitting device. In an embodiment, when the light emitting device is a MINI LED, a light shielding layer may be coated on a light emitting surface of the MINI-LED, so as to reduce a light emitting area of a green LED light emitting device of the MINI-LED, thereby reducing color shift caused by the green LED light emitting device.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A display panel, comprising unit substrates, each unit substrate comprising a substrate and a plurality of light emitting devices disposed on the substrate;
each unit substrate includes a plurality of light emitting devices positioned in a first column, a plurality of light emitting devices positioned in a second column, and a plurality of light emitting devices positioned between the first column and the second column, the plurality of light emitting devices of the first column includes a red light emitting device, a blue light emitting device, and a green light emitting device, and/or the plurality of light emitting devices of the second column includes a red light emitting device, a blue light emitting device, and a green light emitting device.
2. The display panel according to claim 1, wherein the light emitting device is any one of an LED light emitting device, a MINI LED light emitting device, a MICRO LED light emitting device, an OLED light emitting device.
3. The display panel according to claim 1, wherein the plurality of light emitting devices of the first column are arranged in the same manner as the plurality of light emitting devices of the second column.
4. The display panel of claim 1, wherein a ratio of the number M of green light emitting devices, the number N of blue light emitting devices, and the number F of red light emitting devices within the plurality of light emitting devices of the first column is: M/N/F ═ 1 to 3: (1-10): (1-10).
5. The display panel according to claim 4, wherein a value of M is any one of 1, 2, and 3, a value of N is any one of 1, 2, 3, 4, 6, 7, 8, 9, and 10, and a value of F is any one of 1, 2, 3, 4, 6, 7, 8, 9, and 10; the values of N and F are the same, and the value of M is less than or equal to the values of N and F.
6. The display panel of claim 5, wherein a ratio of the number H of green light emitting devices, the number X of blue light emitting devices, and the number Y of red light emitting devices within the plurality of light emitting devices of the second column is: H/X/Y ═ 1 to 3: (1-10): (1-10).
7. The display panel according to claim 6, wherein a value of H is any one of natural numbers 1, 2, and 3, a value of X is any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9, and 10, and a value of Y is any one of natural numbers 1, 2, 3, 4, 6, 7, 8, 9, and 10; the values of X and Y are the same, and the value of H is less than or equal to the values of N and F.
8. The display panel according to claim 7, wherein the number a of green light emitting devices, the number B of blue light emitting devices, and the number C of red light emitting devices in the plurality of light emitting devices between the first column and the second column are in a relationship with the plurality of light emitting devices of the first column and the plurality of light emitting devices of the second column: (M + H + a)/(N + X + B)/(F + Y + C) ═ 1:1: 1.
9. the display panel of claim 1, further comprising a blocking layer disposed on a light emitting side of the green light emitting device and configured to absorb a portion of light emitted from the green light emitting device.
10. The display panel according to claim 1, wherein the plurality of light emitting devices positioned between the plurality of light emitting devices of the first column and the plurality of light emitting devices of the second column include one or more columns of light emitting devices, each column of light emitting devices being arranged in the same manner as the plurality of light emitting devices of the first column or in the same manner as the plurality of light emitting devices of the second column.
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| CN201911423142.8A CN111029361A (en) | 2019-12-30 | 2019-12-30 | Display panel |
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| CN201911423142.8A CN111029361A (en) | 2019-12-30 | 2019-12-30 | Display panel |
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| CN109994505A (en) * | 2018-01-02 | 2019-07-09 | 京东方科技集团股份有限公司 | A kind of pixel arrangement structure and relevant apparatus |
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