CN114927631A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN114927631A CN114927631A CN202210689358.4A CN202210689358A CN114927631A CN 114927631 A CN114927631 A CN 114927631A CN 202210689358 A CN202210689358 A CN 202210689358A CN 114927631 A CN114927631 A CN 114927631A
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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
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K50/865—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. light-blocking layers
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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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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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
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
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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
- H10K59/60—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 invention provides a display panel and a display device, the display panel includes: the color resistors and the black matrixes are positioned on one side, away from the substrate, of the sub-pixels, the black matrixes surround to form an opening, the vertical projection of the sub-pixels on the substrate is positioned in the vertical projection of at least part of the opening on the substrate, the vertical projection of the color resistors on the substrate is overlapped with the vertical projection of at least part of the opening on the substrate, and the color resistors and the sub-pixels are arranged in a one-to-one correspondence manner; the area of the black matrix in the unit area in the second display area is larger than or equal to the area of the black matrix in the unit area in the first display area, and the area of the black matrix in the unit area in the first display area is larger than the area of the black matrix in the unit area in the light sensing element arrangement area. The invention relates to a display panel and a display device, which are used for balancing the transmittance and the reflectivity of a light sensing element arrangement area, increasing the brightness of light passing through the light sensing element arrangement area and reducing the reflectivity of the light sensing element arrangement area.
Description
The present application is a divisional application entitled "a display panel and a display device" filed as 29/06/29/2020 and filed as application No. 202010611770.5.
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a display device.
Background
With the development of science and technology and the progress of society, people have increasingly relied on information communication and transmission, and display devices as main carriers and material bases for information exchange and transmission are now hot spots researched by many scientists.
In order to realize functions such as image capturing, it is often necessary to place a light sensing element in a light sensing element placement area of a display panel. The external environment light can be transmitted to the light sensing element through the light sensing element arrangement area, and functions such as camera shooting are achieved. The light sensing element setting area can also display images, so that full-screen display is realized. In order to reduce the reflectivity of the external ambient light, a polarizer is generally used in the display panel, but the transmittance of the polarizer is too low to affect the brightness of the light reaching the photosensitive element. If the polarizer is removed from the light sensing element mounting region, the reflectivity of the light sensing element mounting region is increased, which affects the use experience.
Disclosure of Invention
The invention provides a display panel and a display device, which are used for balancing the transmittance and the reflectivity of a light sensing element arrangement area, increasing the brightness of light passing through the light sensing element arrangement area and reducing the reflectivity of the light sensing element arrangement area.
In a first aspect, an embodiment of the present invention provides a display panel, including:
the display area comprises a first display area, a second display area and a light sensing element arrangement area, wherein the first display area at least partially surrounds the second display area, and the second display area surrounds the light sensing element arrangement area;
a base substrate;
a plurality of sub-pixels located in the display region at one side of the substrate base plate; the number of the sub-pixels in a unit area in the light sensing element arrangement area is smaller than that in the first display area;
the color resistors and the black matrixes are positioned on one side, far away from the substrate, of the sub-pixels, the black matrixes surround to form an opening, the vertical projection of the sub-pixels on the substrate is positioned in the vertical projection of at least part of the opening on the substrate, the vertical projection of the color resistors on the substrate is overlapped with the vertical projection of at least part of the opening on the substrate, and the color resistors and the sub-pixels are arranged in a one-to-one correspondence manner;
the area of the black matrix in the unit area in the second display area is larger than or equal to the area of the black matrix in the unit area in the first display area, and the area of the black matrix in the unit area in the first display area is larger than the area of the black matrix in the unit area in the light sensing element arranging area.
In a second aspect, an embodiment of the present invention provides a display device, including the display panel described in the first aspect.
In the embodiment of the invention, the display panel comprises a plurality of color resistors, and when the external environment light irradiates the sub-pixels in the display panel, the external environment light reflected by the sub-pixels passes through the color resistors corresponding to the sub-pixels one by one and then is weakened, so that the reflectivity of the light sensing element arrangement area is reduced. The display panel further includes a black matrix that does not overlap the sub-pixels in a direction perpendicular to the base substrate. When the external ambient light irradiates the area outside the sub-pixels of the display panel, the external ambient light reflected in at least part of the area can be absorbed by the black matrix, so that the reflectivity of the light sensing element arrangement area is reduced. Further, in the embodiment of the present invention, the area of the black matrix in the unit area in the second display region is set to be larger than or equal to the area of the black matrix in the unit area in the first display region, that is, the pattern density of the black matrix in the second display region is larger than the pattern density of the black matrix in the first display region, so that the second display region has a lower reflectivity than the first display region, and the overall reflectivity of the display region is reduced as much as possible. The area of the black matrix per unit area in the first display region is larger than the area of the black matrix per unit area in the light-sensing element arrangement region, that is, the pattern density of the black matrix in the first display region is larger than the pattern density of the black matrix in the light-sensing element arrangement region, so that excessive black matrix is prevented from being arranged in the light-sensing element arrangement region, and the brightness of light passing through the light-sensing element arrangement region is increased.
Drawings
Fig. 1 is a schematic top view of a display panel according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the area S1 in FIG. 1;
FIG. 3 is a schematic view of another enlarged structure of the area S1 in FIG. 1;
FIG. 4 is a schematic cross-sectional view taken along AA' in FIG. 2;
fig. 5 is a schematic cross-sectional view illustrating another display panel according to an embodiment of the invention;
fig. 6 is a schematic cross-sectional view of another display panel according to an embodiment of the disclosure;
FIG. 7 is an enlarged view of the area S2 in FIG. 2;
FIG. 8 is a top view of a portion of another display panel according to an embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view taken along line BB' in FIG. 8;
fig. 10 is a schematic cross-sectional view illustrating another display panel according to an embodiment of the invention;
FIG. 11 is a top view of a portion of another display panel according to an embodiment of the present invention;
FIG. 12 is a schematic cross-sectional view taken along line CC' of FIG. 11;
FIG. 13 is a top view of a portion of another display panel according to an embodiment of the present invention;
FIG. 14 is a schematic cross-sectional view taken along line DD' of FIG. 13;
FIG. 15 is a top view of a portion of another display panel according to an embodiment of the present invention;
FIG. 16 is a schematic sectional view taken along EE' in FIG. 15;
FIG. 17 is a top view of a portion of another display panel according to an embodiment of the present invention;
FIG. 18 is a schematic cross-sectional view taken along FF' of FIG. 17;
fig. 19 is a schematic cross-sectional view illustrating another display panel according to an embodiment of the invention;
fig. 20 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic top view of a display panel according to an embodiment of the present invention, fig. 2 is a schematic enlarged structure of an area S1 in fig. 1, fig. 3 is a schematic enlarged structure of an area S1 in fig. 1, fig. 4 is a schematic cross-sectional structure along AA' in fig. 2, with reference to fig. 1-4, the display panel includes a display area 100, the display area 100 includes a first display area 101, a second display area 102, and a light sensing element disposing area 103, the first display area 101 at least partially surrounds the second display area 102 (an outer edge of the U-shaped second display area 102 is taken as an example in fig. 1, but not limited thereto), and the second display area 102 surrounds the light sensing element disposing area 103. The display panel includes a plurality of sub-pixels 20, a plurality of color resistors 40, and a black matrix 30. A plurality of sub-pixels 20 are located in the display area 100 at one side of the substrate base 10. The number of sub-pixels 20 in the light sensing element disposition region 103 per unit area is smaller than the number of sub-pixels 20 in the first display region 101, that is, the density of sub-pixels in the light sensing element disposition region 103 is smaller than the density of sub-pixels in the first display region 101, so that the region between adjacent sub-pixels 20 in the light sensing element disposition region 103 can transmit the ambient light, and the light brightness transmitted through the light sensing element disposition region 103 is increased. The plurality of color resistors 40 and the black matrix 30 are located on the side of the plurality of sub-pixels 20 away from the base substrate 10. The black matrix 30 surrounds the opening 310, the opening 310 is a region where the black matrix 30 is not disposed, and the opening 310 may be formed on the black matrix layer by a mask etching process, for example. The vertical projection of the sub-pixels 20 on the substrate base 10 is located in the vertical projection of at least part of the openings 310 on the substrate base 10, the vertical projection of the color resistors 40 on the substrate base 10 is overlapped with the vertical projection of at least part of the openings 310 on the substrate base 10, and the color resistors 40 are arranged in one-to-one correspondence with the sub-pixels 20. At least some openings 310 in embodiments of the present invention may refer to at least some openings 310 in plurality of openings 310, such as at least 10 openings 310 in 100 openings 310. The area of the black matrix 30 per unit area in the second display area 102 is greater than or equal to the area of the black matrix 30 per unit area in the first display area 101, and the area of the black matrix 30 per unit area in the first display area 101 is greater than the area of the black matrix 30 per unit area in the light-sensing element disposing area 103.
In the embodiment of the present invention, the display panel includes a plurality of color resistors 40, and when the external ambient light irradiates the sub-pixels 20 in the display panel, the external ambient light reflected by the sub-pixels 20 passes through the color resistors 40 corresponding to the sub-pixels 20 one by one and then is attenuated, so as to reduce the reflectivity of the light sensing element setting region 103. The display panel further includes a black matrix 30, and the black matrix 30 does not overlap the sub-pixels 20 in a direction perpendicular to the base substrate 10. When the external ambient light irradiates the area outside the sub-pixel 20 in the display panel, the external ambient light reflected in at least a part of the area may be absorbed by the black matrix 30, thereby reducing the reflectivity of the light sensing element arrangement area 103. Further, in the embodiment of the present invention, the area of the black matrix 30 in the second display area 102 per unit area is set to be greater than or equal to the area of the black matrix 30 in the first display area 101, that is, the pattern density of the black matrix 30 in the second display area 102 is greater than the pattern density of the black matrix 30 in the first display area 101, so that the second display area 102 has a lower reflectivity than the first display area 101, so as to reduce the overall reflectivity of the display area 100 as much as possible. The area of the black matrix 30 per unit area in the first display region 101 is larger than the area of the black matrix 30 per unit area in the light-sensing element disposition region 103, that is, the pattern density of the black matrix 30 in the first display region 101 is larger than the pattern density of the black matrix 30 in the light-sensing element disposition region 103, preventing an excessive amount of the black matrix 30 from being disposed in the light-sensing element disposition region 103, thereby increasing the luminance of light transmitted through the light-sensing element disposition region 103.
For example, in some embodiments, the area of the black matrix 30 per unit area in the second display region 102 is greater than the area of the black matrix 30 per unit area in the first display region 101. In other embodiments, the area of the black matrix 30 per unit area in the second display region 102 is equal to the area of the black matrix 30 per unit area in the first display region 101. The reflectance of the first display region 101, the second display region 102, and the light-sensing element placement region 103 is related to not only the area of the black matrix 30 per unit area but also other factors, such as the thickness of the black matrix 30, the reflectance at the position of the opening 310, and the like. The reflectivity at the position of the opening 310 may include, for example, the area and reflectivity of the metal film layer exposed by the opening 310, or the reflectivity of the non-metal film layer exposed by the opening 310.
Illustratively, referring to fig. 2, 3 and 4, the number of sub-pixels 20 per unit area in the second display region 102 is equal to the number of sub-pixels 20 per unit area in the light-sensing element disposing region 103. In the embodiment of the present invention, the density of the sub-pixels in the second display area 102 is equal to that of the sub-pixels in the light sensing element arrangement area 103, so that when the sub-pixels 20 are formed, the arrangement of the sub-pixels 20 in the second display area 102 and the arrangement of the light sensing element arrangement area 103 are the same, which reduces the manufacturing difficulty of the display panel. In other embodiments, the number of the sub-pixels 20 in the unit area in the second display area 102 may be set to be smaller than the number of the sub-pixels 20 in the unit area in the first display area 101, and the number of the sub-pixels 20 in the unit area in the second display area 102 is larger than the number of the sub-pixels 20 in the unit area in the light-sensing element setting area 103, that is, the second display area 102 is used as a transition area of display, so as to optimize the visual experience of the display area 100.
Illustratively, referring to fig. 2, 3 and 4, in a direction perpendicular to the substrate 10, the area between adjacent black matrixes 30 in the light-sensing element arrangement region 103 is a light-transmitting area, and when the light-sensing element arrangement region 103 is irradiated by external ambient light, the external ambient light can pass through the light-transmitting area in the light-sensing element arrangement region 103 and irradiate to the backlight side of the display panel.
Alternatively, referring to fig. 2, 3 and 4, the black matrix 30 in the second display region 102 covers the entire region outside the opening 310. In the embodiment of the invention, in the second display area 102, at least a part of the openings 310 may be provided with the sub-pixels 20, and all areas except the openings 310 entirely cover the black matrix 30, so that the reflectivity of the second display area 102 is the lowest, thereby reducing the overall reflectivity of the display area 100. In other embodiments, a plurality of discrete black matrices 30 may be disposed in the second display region 102, and the region between adjacent black matrices 30 is a light-transmitting region.
Alternatively, referring to fig. 2, 3 and 4, the display panel further includes a plurality of thin film transistors 60. The plurality of thin film transistors 60 include a first thin film transistor 601, the first thin film transistor 601 is located in the second display region 102, and the first thin film transistor 601 is located between the black matrix 30 and the substrate 10 and electrically connected to the sub-pixels 20 of the light sensing element disposing region 103. In the embodiment of the invention, the first thin film transistor 601 for driving the sub-pixels 20 in the light sensing element installation region 103 is disposed in the second display region 102, so as to enlarge the light transmission area in the light sensing element installation region 103 and increase the brightness of light transmitted through the light sensing element installation region 103. In the embodiment of the present invention, the first tft 601 disposed in the second display area 102 is covered by the black matrix 30, and the external ambient light irradiated to the first tft 601 is absorbed by the black matrix 30, so as to prevent the first tft 601 from reflecting the external ambient light, and reduce the overall reflectivity of the display area 100.
Exemplarily, referring to fig. 3, in order to illustrate a case where the first thin film transistor 601 is disposed in the second display region 102, the black matrix 30 and the like in the second display region 102 are omitted in fig. 3. The first thin film transistor 601 is disposed in the second display region 102 in a region other than the opening 310. It should be noted that the arrangement of the first thin film transistor 601 is not limited in the embodiment of the present invention.
Exemplarily, referring to fig. 3, the display panel further includes first traces 81 (only one first trace 81 is illustrated in fig. 3, and the present invention is not limited thereto), one end of the first trace 81 is electrically connected to the first tft 601, and the other end of the first trace 81 is electrically connected to the sub-pixel 20 of the light sensing element disposing region 103. The transmittance of the first trace 81 is greater than a first predetermined value. For example, the transmittance of the first trace 81 is greater than 90%, 95% or 99%, that is, the first trace 81 is a transparent trace, so as to reduce the reflectivity of the first trace 81 to the external ambient light in the light sensing element disposing region 103.
Alternatively, referring to fig. 2, 3, and 4, the plurality of thin film transistors 60 further includes a second thin film transistor 602 and a third thin film transistor 603. The second thin film transistor 602 is located in the second display region 102 and electrically connected to the sub-pixel 20 in the second display region 102. The third thin film transistor 603 is located in the first display region 101, the third thin film transistor 603 is located between the sub-pixel 20 in the first display region 101 and the base substrate 10, and the third thin film transistor 603 is electrically connected to the sub-pixel 20 in the first display region 101. The area of the vertical projection of the first thin film transistor 601 and the second thin film transistor 602 on the substrate 10 is smaller than the area of the vertical projection of the third thin film transistor 603 on the substrate 10. Since the first thin film transistor 601 for driving the sub-pixel 20 in the light sensing element disposition region 103 is disposed in the second display region 102, the first thin film transistor 601 and the second thin film transistor 602 are included in the second display region 102. Therefore, in the implementation of the present invention, the sizes of the first thin film transistor 601 and the second thin film transistor 602 are reduced to dispose the first thin film transistor 601 and the second thin film transistor 602 in a limited area of the second display area 102, thereby reducing the difficulty in disposing the first thin film transistor 601 and the second thin film transistor 602. In another embodiment, the area of the vertical projection of the first thin film transistor 601 and the second thin film transistor 602 on the substrate 10 may be equal to the area of the vertical projection of the third thin film transistor 603 on the substrate 10.
Exemplarily, referring to fig. 2, 3 and 4, the second thin film transistor 602 is located in the second display region 102, and the second thin film transistor 602 is located between the sub-pixel 20 of the second display region 102 and the base substrate 10. In other embodiments, the second thin film transistor 602 may not overlap with the sub-pixel 20, which is not limited in the present invention.
Alternatively, referring to fig. 2 and 3, the projection of the edge of the sub-pixel 20 on the substrate base 10 is a first pattern, and the edge of the opening 310 in the light-sensing element disposing region 103 is vertically projected on the substrate base 10 as a second pattern having a shape corresponding to the shape of the first pattern. That is, the shape of the second figure is the same as the shape of the first figure, but the second figure is not the same size as the first figure. That is, the first graphic is similar to the second graphic. In the embodiment of the invention, the edges of the sub-pixels 20 in the light sensing element arrangement region 103 are similar to the edges of the openings 310, so that the area of the black matrix 30 in the light sensing element arrangement region 103 can be reduced as much as possible, the area of the light transmission region in the light sensing element arrangement region 103 can be increased, and the brightness of light passing through the light sensing element arrangement region 103 can be increased.
Illustratively, referring to fig. 2 and 3, the projection of the edge of the sub-pixel 20 on the substrate base 10 is a first rectangle, and the edge of the opening 310 in the light-sensing element disposition region 103 is a second rectangle vertically projected on the substrate base 10.
On the basis of reducing the overall reflectivity of the display area 100, at least one of the thickness of the black matrix 30, the distance between the edge of the opening 310 and the edge of the sub-pixel 20, and the opening of the second opening 312 in the second transition area 102 may be further provided to achieve the balance of the reflectivities of the first display area 101, the second display area 102, and the light sensing element arrangement area 103, so that the difference of the reflectivities between adjacent two of the first display area 101, the second display area 102, and the light sensing element arrangement area 103 is smaller than a second preset value, which may be, for example, 10%, 5%, or 1%.
Referring to fig. 5, the black matrix 30 includes a first black matrix 31 located in the first display area 101, a second black matrix 32 located in the second display area 102, and a third black matrix 33 located in the light-sensing element disposing area 103. The thickness of the second black matrix 32 is less than that of the third black matrix 33, and the thickness of the third black matrix 33 is less than that of the first black matrix 31. Since the area of the black matrix 30 per unit area in the second display region 102 is larger than or equal to the area of the black matrix 30 per unit area in the first display region 101, the area of the black matrix 30 per unit area in the first display region 101 is larger than the area of the black matrix 30 per unit area in the photosensor setting region 103. The reflectance per unit area in the second display region 102 is greater than the reflectance per unit area in the first display region 101, and the reflectance per unit area in the first display region 101 is greater than the reflectance per unit area in the photo-sensor arrangement region 103, in the embodiment of the present invention, the first black matrix 31 in the first display region 101 having the highest reflectance in unit area has the largest thickness, the second black matrix 32 in the second display region 102 having the lowest reflectance in unit area has the smallest thickness, the third black matrix 33 in the light sensor arrangement region 103 having the middle reflectance in unit area has the middle thickness, thereby equalizing the reflectance of the first display area 101, the second display area 102 and the light-sensing element arrangement area 103 on the basis of reducing the overall reflectance of the display area 100, the difference in reflectivity between adjacent ones of the first display area 101, the second display area 102, and the light-sensing element arrangement area 103 is minimized.
Fig. 6 is a schematic cross-sectional view of another display panel according to an embodiment of the invention, and referring to fig. 6, the thickness of the second black matrix 32 gradually increases along a direction from the first display area 101 to the light-sensing element disposing area 103. In the embodiment of the invention, in order to match that the reflectivity per unit area in the first display area 101 is greater than the reflectivity per unit area in the light sensing element installation area 103, the thickness of the second black matrix 32 is gradually increased along the direction from the first display area 101 to the light sensing element installation area 103, and the reflectivity per unit area in the second display area 102 is gradually decreased along the direction from the first display area 101 to the light sensing element installation area 103, so that for the reflectivity per unit area, the second display area 102 is used as a transition area of reflectivity, thereby optimizing the visual experience.
Fig. 7 is an enlarged schematic structural view of an area S2 in fig. 2, and referring to fig. 2 and 7, a plurality of sub-pixels 20 are arranged in an array along a first direction X and a second direction Y, where the first direction X intersects the second direction Y. In the first direction X, a distance between a vertical projection of an edge of the opening 310 on the substrate 10 and a vertical projection of the sub-pixel 20 exposed by the opening 310 on the substrate 10 is a first distance D1. In the second direction Y, a distance between a vertical projection of the edge of the opening 310 on the substrate 10 and a vertical projection of the sub-pixel 20 exposed by the opening 310 on the substrate 10 is a second distance D2. The first distance D1 in the second display region 102 is greater than the first distance D1 in the light-sensing element arrangement region 103, and the first distance D1 in the light-sensing element arrangement region 103 is greater than the first distance D1 in the first display region 101; and/or the second distance D2 in the second display region 102 is greater than the second distance D2 in the light-sensing element arrangement region 103, and the second distance D2 in the light-sensing element arrangement region 103 is greater than the second distance D2 in the first display region 101. Since the farther the edge of the sub-pixel 20 is away from the edge of the opening 310, the more the metal film layer in the sub-pixel 20 or the metal film layer under the sub-pixel 20 is exposed, the higher the reflectivity at the opening 310 is; the closer the edge of sub-pixel 20 is to the edge of opening 310, the less the metal film in sub-pixel 20 or the metal film under sub-pixel 20 is exposed, and the lower the reflectivity at opening 310. The metal film layer exposed by the opening 310 will be further described later. Since the area of the black matrix 30 per unit area in the second display region 102 is greater than or equal to the area of the black matrix 30 per unit area in the first display region 101, the area of the black matrix 30 per unit area in the first display region 101 is greater than the area of the black matrix 30 per unit area in the light-sensing element disposing region 103, the reflectance per unit area in the second display region 102 is greater than the reflectance per unit area in the first display region 101, and the reflectance per unit area in the first display region 101 is greater than the reflectance per unit area in the light-sensing element disposing region 103, in the embodiment of the present invention, the area of the metal film layer exposed by the opening 310 in the first display region 101 having the highest reflectance per unit area is smallest, the area of the metal film layer exposed by the opening 310 in the second display region 102 having the lowest reflectance per unit area is largest, and the area of the metal film layer exposed by the opening 310 in the light-sensing element disposing region 103 having the middle reflectance per unit area has a middle area, therefore, on the basis of reducing the overall reflectivity of the display area 100, the reflectivities of the first display area 101, the second display area 102 and the light sensing element arrangement area 103 are balanced, so that the reflectivity difference between the adjacent two of the first display area 101, the second display area 102 and the light sensing element arrangement area 103 is as small as possible.
For clarity, the first distance D1 in the first display area 101, the second display area 102 and the light sensing element arrangement area 103 is respectively referred to as a first transverse distance D11, a second transverse distance D12 and a third transverse distance D13, and the second distance D2 in the first display area 101, the second display area 102 and the light sensing element arrangement area 103 is respectively referred to as a first longitudinal distance D21, a second longitudinal distance D22 and a third longitudinal distance D23. In one embodiment, D12 > D13 > D11 may be provided. In another embodiment, D22 > D23 > D21 may be provided. In another embodiment, D12 > D13 > D11, and D22 > D23 > D21 may also be provided.
It should be noted that, for example, when the thickness of the second black matrix 32 is set to be smaller than the thickness of the third black matrix 33 and the thickness of the third black matrix 33 is set to be smaller than the thickness of the first black matrix 31, the first distance D1 in the second display region 102 is also set to be greater than the first distance D1 in the light-sensing element disposition region 103, and the first distance D1 in the light-sensing element disposition region 103 is set to be greater than the first distance D1 in the first display region 101; and/or the second distance D2 in the second display region 102 is greater than the second distance D2 in the light-sensing element arrangement region 103, and the second distance D2 in the light-sensing element arrangement region 103 is greater than the second distance D2 in the first display region 101. By setting the distance between the edge of the opening 310 and the edge of the sub-pixel 20 and the thickness of the black matrix 30, the overall reflectivity of the display area 100 is reduced, and the reflectivity of the first display area 101, the second display area 102 and the light-sensing element arrangement area 103 is equalized.
Illustratively, referring to fig. 2 and 3, a plurality of pixel units are arranged in an array along a first direction X and a second direction Y within the light sensing element disposing region 103, and the pixel units include three sub-pixels 20 arranged in a delta shape. In the same pixel unit, the two sub-pixels 20 are located in the same column in the second direction Y, and the other sub-pixel 20 and the two sub-pixels 20 are located in different columns. In other embodiments, the display panel may have other sub-pixel arrangements, which is not limited in the present invention.
Illustratively, referring to fig. 2 and 3, in the light-sensing element disposition region 103, pixel units of three sub-pixels 20 are arranged in an array, and a region between two adjacent pixel units is a light-transmitting region. In other embodiments, the three sub-pixels 20 in one pixel unit may be distributed discretely, and the region between adjacent sub-pixels 20 is a light-transmitting region.
Fig. 8 is a partial structure top view of another display panel according to an embodiment of the present invention, fig. 9 is a schematic cross-sectional view taken along BB' in fig. 8, and referring to fig. 8 and 9, a plurality of sub-pixels 20 includes a display sub-pixel 201 and a dummy sub-pixel 202. The first display area 101 includes display sub-pixels 201, and the second display area 102 includes display sub-pixels 201 and dummy sub-pixels 202. The number of the display sub-pixels 201 in the unit area of the second display area 102 is smaller than the number of the display sub-pixels 201 in the unit area of the first display area 101, the first display area 101 is a main display area, and the second display area 102 is a transition display area. The plurality of openings 310 include a first opening 311 and a second opening 312, the vertical projection of the display sub-pixel 201 on the substrate 10 is located within the vertical projection of the first opening 311 on the substrate 10, and the first opening 311 exposes the display sub-pixel 201. The vertical projection of the dummy sub-pixel 202 on the substrate 10 is located in the vertical projection of at least a portion of the second opening 312 on the substrate 10, and at least a portion of the second opening 312 exposes the dummy sub-pixel 202. The display sub-pixel 201 is used for normal light emitting display, and the dummy sub-pixel 202 is not used for light emitting display. In the embodiment of the invention, the second display area 102 is provided with the second opening 312 exposing the dummy sub-pixel 202 in addition to the first opening 311 exposing the display sub-pixel 201, and the coverage area of the black matrix 30 is relatively reduced compared with the case that all the areas except the first opening 311 are covered with the black matrix 30, so as to balance the reflectivity of the first display area 101, the second display area 102 and the light sensing element arrangement area 103, and to make the reflectivity difference between the adjacent two of the first display area 101, the second display area 102 and the light sensing element arrangement area 103 as small as possible.
Illustratively, referring to fig. 8 and 9, the light-sensing element disposition region 103 includes the display sub-pixels 201, and the light-sensing element disposition region 103 does not include the dummy sub-pixels 202. The dummy sub-pixels 202 are disposed only in the second display area 102. The second thin film transistor 602 electrically connected to the dummy subpixel 202 is provided corresponding to the dummy subpixel 202, but in other embodiments, only the dummy subpixel 202 may be provided, and the second thin film transistor 602 electrically connected to the dummy subpixel 202 may not be provided.
Alternatively, referring to fig. 8 and 9, the area of the first opening 311 vertically projected on the base substrate 10 is larger than the area of the second opening 312 vertically projected on the base substrate 10. In the embodiment of the present invention, in addition to the first opening 311 exposing the display sub-pixel 201, the second opening 312 exposing the dummy sub-pixel 202 is disposed in the second display area 102, and compared with the case that all areas except the first opening 311 are covered with the black matrix 30, the coverage area of the black matrix 30 is relatively reduced, and the reflectivity of the second display area 102 is increased, because the dummy sub-pixel 202 does not perform image display, the dummy sub-pixel 202 can be disposed at a vacant sub-pixel position, and meanwhile, the area of the second opening 312 where the dummy sub-pixel 202 is located is set to be smaller than the area of the first opening 311, so as to ensure that the reflectivity of the second display area 102 is not too large, and ensure that the display area 100 has a lower reflectivity as a whole. Here, the vacant sub-pixel position refers to a position where the sub-pixel 20 can be disposed and the sub-pixel 20 is not disposed in the second display area 102 with respect to the sub-pixel density in the first display area 101.
Alternatively, referring to fig. 9, the sub-pixel 20 includes a first electrode 21, an organic light emitting function layer 22, and a second electrode 23, the organic light emitting function layer 22 being located between the first electrode 21 and the second electrode 23. The display panel further comprises a pixel defining layer 50, the pixel defining layer 50 being located between the first electrode 21 and the second electrode 33, the pixel defining layer 50 comprising a plurality of through holes 51, the through holes 51 being located within a vertical projection of the first opening 311 on the substrate base 10 in a vertical projection on the substrate base 10. At the position of the second opening 312, the via hole 51 is not provided on the pixel defining layer 50 layer. In the display sub-pixel 201, the organic light emitting function layer 22 is located in the through hole 51, and the organic light emitting function layer 22 is in contact with the first electrode 21, so that the first electrode 21 and the second electrode 23 can inject holes and electrons into the organic light emitting function layer 22, the holes and the electrons are recombined in the organic light emitting function layer 22 to form excitons, and the excitons are transited to make the display sub-pixel 201 emit light for display. In the dummy sub-pixel 202, the pixel defining layer 50 is interposed between the first electrode 21 and the organic light-emitting functional layer 22, and the first electrode 21 and the light-emitting functional layer 22 are electrically insulated from each other, so that the dummy sub-pixel 202 cannot perform light-emitting display.
For example, referring to fig. 9, the metal film layer in the sub-pixel 20 is mainly a first electrode 21, the first electrode 21 is a reflective electrode, and the display panel is a top-emission display panel. The metal layers under the sub-pixels 20 are mainly thin film transistors 60 and various signal lines (not shown), such as data lines, scan lines, and power lines. The thin film transistor 60 includes a source electrode 61, a semiconductor layer 62, a gate electrode 63, and a drain electrode 64, wherein the source electrode 61, the gate electrode 63, and the drain electrode 64 may include a metal material, which is a metal film layer.
Exemplarily, referring to fig. 9, in the embodiments of the present invention, the vertical projection of the sub-pixel 20 on the base substrate 10 is the vertical projection of the organic light emitting functional layer 22 on the base substrate 10. The vertical projection of the sub-pixel 20 on the substrate 10 is located within the vertical projection of the opening 310 on the substrate 10. As shown in fig. 9, in some embodiments, the color resistors 40 may be located only in the openings 310. In other embodiments, a portion of the color resistor 40 may be located in the opening 310, and another portion of the color resistor 40 may be located on the side of the black matrix 30 away from the substrate 10. The vertical projection of the organic light-emitting functional layer 22 on the substrate 10 is located in the vertical projection of the first electrode 21 on the substrate 10, the vertical projection of the opening 310 on the substrate 10 is located in the vertical projection of the first electrode 21 on the substrate 10, and the black matrix 30 is used for shielding the edge of the first electrode 21. Since the first electrode 21 does not completely overlap the thin film transistor 60 in a direction perpendicular to the base substrate 10, the black matrix 30 also serves to shield the thin film transistor 60 and prevent the thin film transistor 60 from reflecting external ambient light.
Alternatively, referring to fig. 8 and 9, the display panel further includes a plurality of thin film transistors 60, and the thin film transistors 60 are electrically connected to the first electrodes 21. The plurality of sub-pixels 20 are arranged in an array along a first direction X and a second direction Y, the first direction X intersecting the second direction Y. The number of rows of thin film transistors 60 arranged in the first direction X in the first display region 101 is equal to the number of rows of thin film transistors 60 arranged in the first direction X in the second display region 102. In the embodiment of the present invention, the number of the thin film transistors 60 in one row in the first display area 101 is equal to the number of the thin film transistors 60 in one row in the second display area 102, so that the number of the thin film transistors 60 in one row driven by the scanning lines (not shown in the figure) in the first display area 101 is the same as that of the thin film transistors in one row driven by the scanning lines in the second display area 102, and the scanning lines in the first display area 101 and the scanning lines in the second display area 102 have the same load, thereby avoiding the occurrence of the display unevenness caused by the load inequality.
Fig. 10 is a schematic cross-sectional structure view of another display panel according to an embodiment of the invention, and referring to fig. 10, the number of the first openings 311 in the second display area 102 is greater than the number of the second openings 312 in the second display area 102. In the embodiment of the present invention, since the dummy sub-pixel 202 does not display an image, the dummy sub-pixel 202 can be disposed at the position of the vacant sub-pixel, and the number of the second openings 312 where the dummy sub-pixel 202 is located is smaller than the number of the first openings 311, so as to ensure that the reflectivity of the second display area 102 is not too large, and ensure that the whole display area 100 has a lower reflectivity. In other embodiments, the area of the vertical projection of the first opening 311 on the substrate base plate 10 may be larger than the area of the vertical projection of the second opening 312 on the substrate base plate 10, and the number of the first openings 311 in the second display region 102 may be larger than the number of the second openings 312 in the second display region 102, which is not limited in the present invention.
Exemplarily, referring to fig. 8 and 10, in the first direction X, distances between any two adjacent second openings 312 of the second openings 312 arranged in a row are all equal, and distances between any two adjacent dummy sub-pixels 202 of the dummy sub-pixels 202 arranged in a row are all equal. The second openings 312 and the dummy sub-pixels 202 in the second openings 312 are uniformly distributed, so that the reflection of the external ambient light in the second display area 102 is uniform.
Fig. 11 is a partial structural top view of another display panel according to an embodiment of the present invention, and fig. 12 is a schematic cross-sectional structural view along CC' in fig. 11, referring to fig. 11 and 12, a plurality of openings 310 includes a first opening 311 and a second opening 312, a vertical projection of a sub-pixel 20 on a substrate 10 is located in a vertical projection of the first opening 311 on the substrate 10, and at least a portion of the second opening 312 is located in a region where a gap between the sub-pixels 20 is located. In the embodiments of the present invention, the region where the gap between the sub-pixels 20 is located is the region outside the sub-pixels 20. In the embodiment of the present invention, in addition to the first opening 311 exposing the sub-pixel 20 (specifically, the display sub-pixel 201), the second opening 312 is further disposed in the second display area 102, at least a portion of the second opening 312 does not overlap with the sub-pixel 20, and compared with the case that all the areas except the first opening 311 are covered with the black matrix 30, the covered area of the black matrix 30 is relatively reduced, so as to balance the reflectivity of the first display area 101, the second display area 102 and the light sensing element disposing area 103, and to make the reflectivity difference between the adjacent two of the first display area 101, the second display area 102 and the light sensing element disposing area 103 as small as possible.
Exemplarily, referring to fig. 11 and 12, the second opening 312 also does not overlap the thin film transistor 60. All of the second openings 312 are disposed in the regions where the gaps between the sub-pixels 20 are located. In other embodiments, when a portion of the second opening 312 is located in the region of the gap between the sub-pixels 20, another portion of the second opening 312 may be overlapped with the thin film transistor 60, and/or another portion of the second opening 312 may be overlapped with the dummy sub-pixel.
Exemplarily, referring to fig. 11 and 12, the display panel is hollowed out at the second opening 312, that is, the color resistor 40 is not disposed at the second opening 312. In other embodiments, the color resistor 40 may be further disposed in the second opening 312, which is not limited in the present invention.
Illustratively, referring to fig. 11, the number of first openings 311 per unit area in the first display region 101 is equal to the sum of the numbers of first openings 311 and second openings 312 per unit area in the second display region 102. The advantage of this arrangement is that the second openings 312 are disposed at all the vacant sub-pixel positions in the second display area 102, so that the openings 310 in the second display area 102 are uniformly distributed, and the reflection of the external ambient light by the second display area 102 is uniform.
Fig. 13 is a partial structure top view of another display panel according to an embodiment of the present invention, fig. 14 is a schematic cross-sectional structure view along DD' in fig. 13, and referring to fig. 13 and fig. 14, the plurality of tfts 60 further include a second tft 602, the second tft 602 is located in the second display region 102 and electrically connected to the sub-pixels 20 in the second display region 102, and at least a portion of the second tft 602 is located in a region where the gap between the sub-pixels 20 is located. The plurality of openings 310 include a first opening 311 and a second opening 312, the vertical projection of the sub-pixel 20 on the substrate 10 is located in the vertical projection of the first opening 311 on the substrate 10, and the vertical projection of the second thin film transistor 602 on the substrate 10 is located in the region of the gap between the sub-pixels 20 on at least a portion of the vertical projection of the second opening 312 on the substrate 10. In the embodiment of the invention, in addition to the first opening 311 exposing the sub-pixel 20 (specifically, the display sub-pixel 201) is disposed in the second display area 102, the second opening 312 is also disposed, at least a portion of the second opening 312 exposes the second thin film transistor 602, and compared with the case that all the areas except the first opening 311 are covered with the black matrix 30, the coverage area of the black matrix 30 is relatively reduced, so as to equalize the reflectivity of the first display area 101, the second display area 102 and the light sensing element disposing area 103.
Exemplarily, referring to fig. 13 and 14, the second opening 312 is disposed at a partially-vacant sub-pixel position in the second display region 102. In the first direction X, distances between any adjacent two of the second openings 312 arranged in a row are equal, and distances between any adjacent two of the second thin film transistors 602 arranged in a row are equal. The second openings 312 and the second tfts 602 in the second openings 312 are uniformly distributed, so that the reflection of the external ambient light by the second display area 102 is uniform. In other embodiments, the second openings 312 may also be disposed at all the vacant sub-pixel positions in the second display region 102, that is, the number of the first openings 311 per unit area in the first display region 101 is equal to the sum of the number of the first openings 311 and the second openings 312 per unit area in the second display region 102. The advantage of this arrangement is that the second openings 312 are disposed at all the vacant sub-pixel positions in the second display area 102, so that the openings 310 in the second display area 102 are uniformly distributed, and the reflection of the external ambient light by the second display area 102 is uniform.
Fig. 15 is a partial structure top view of another display panel according to an embodiment of the invention, fig. 16 is a schematic cross-sectional structure view taken along EE' in fig. 15, referring to fig. 15 and fig. 16, the display panel further includes a plurality of thin film transistors 60, the plurality of thin film transistors 60 includes a first thin film transistor 601, the first thin film transistor 601 is located in the light sensing element disposing region 103, and the first thin film transistor 601 is located between the sub-pixel 20 in the light sensing element disposing region 103 and the substrate 10 and electrically connected to the sub-pixel 20 in the light sensing element disposing region 103. The vertical projection of the first thin film transistor 601 on the substrate 10 is located within the joint projection of the sub-pixel 20 and the black matrix 30 on the substrate 10. In the embodiment of the invention, the first thin film transistor 601 for driving the sub-pixel 20 in the light sensing element installation region 103 is arranged in the light sensing element installation region 103, and the sub-pixel 20 is closer to the first thin film transistor 601, which is beneficial to simplifying the electric connection wiring between the sub-pixel 20 and the first thin film transistor 601. In the light sensor arrangement region 103, the first thin film transistor 601 is covered by the sub-pixel 20 and the black matrix 30, so that the black matrix 30 can prevent the first thin film transistor 601 from reflecting the external ambient light, thereby reducing the overall reflectivity of the display region 100.
Alternatively, referring to fig. 15, in the light sensing element disposition region 103, the outer edge of the black matrix 30 includes a curve. It can be understood that, if the outer edge of the black matrix 30 is a straight line, light energy is distributed on both sides of the straight line to form a plurality of light and dark stripes parallel to the extending direction of the straight line. If the outer edge of the black matrix 30 is an arc line, which is formed by a plurality of straight lines extending in different directions, the light energy is distributed in different directions, thereby weakening the diffraction phenomenon. The outer edge of the black matrix 30 in the embodiment of the present invention includes a curved line, thereby reducing the diffraction phenomenon of the light sensing element disposition region 103.
Illustratively, referring to fig. 15, the outer edge of the black matrix 30 has a circular or elliptical shape. In other embodiments, the shape of the outer edge of the black matrix 30 may be other curved lines, which is not limited in the present invention.
It should be noted that the above embodiments may be combined with each other, and the present invention provides some examples to this, but not limited to this.
Fig. 17 is a partial structure top view of another display panel according to an embodiment of the present invention, fig. 18 is a schematic cross-sectional structure view along FF' in fig. 17, and referring to fig. 17 and 18, a plurality of openings 310 includes a first opening 311 and a second opening 312. The plurality of sub-pixels 20 include a display sub-pixel 201 and a dummy sub-pixel 202. The vertical projection of the display sub-pixel 201 on the substrate 10 is located in the vertical projection of the first opening 311 on the substrate 10, and the first opening 311 exposes the display sub-pixel 201. The first portion second openings 312 are located in the regions where the gaps between the sub-pixels 20 are located, and the first portion second openings 312 also do not overlap the thin film transistors 60. The vertical projection of the dummy sub-pixel 202 on the substrate 10 is located in the vertical projection of the second portion of the second opening 312 on the substrate 10, and the dummy sub-pixel 202 is exposed by the second portion of the second opening 312.
Fig. 19 is a schematic cross-sectional structure view of another display panel according to an embodiment of the invention, and referring to fig. 19, the black matrix 30 includes a first black matrix 31 located in the first display area 101, a second black matrix 32 located in the second display area 102, and a third black matrix 33 located in the light-sensing element disposing area 103. The thickness of the second black matrix 32 is less than that of the third black matrix 33, and the thickness of the third black matrix 33 is less than that of the first black matrix 31. The plurality of openings 310 include a first opening 311 and a second opening 312, the vertical projection of the display sub-pixel 201 on the substrate 10 is located within the vertical projection of the first opening 311 on the substrate 10, and the first opening 311 exposes the display sub-pixel 201. The dummy sub-pixel 202 is located in the vertical projection of the substrate 10 in at least a portion of the second opening 312 in the vertical projection of the substrate 10, and at least a portion of the second opening 312 exposes the dummy sub-pixel 202. Note that in other embodiments, on the basis of the embodiment shown in fig. 19, the first distance D1 in the second display region 102 may be further set to be greater than the first distance D1 in the light-sensing element arrangement region 103, and the first distance D1 in the light-sensing element arrangement region 103 may be further set to be greater than the first distance D1 in the first display region 101; and/or the second distance D2 in the second display region 102 is greater than the second distance D2 in the light-sensing element arrangement region 103, and the second distance D2 in the light-sensing element arrangement region 103 is greater than the second distance D2 in the first display region 101. By setting the distance between the edge of the opening 310 and the edge of the sub-pixel 20, and the thickness of the black matrix 30.
The embodiment of the invention also provides a display device. Fig. 20 is a schematic structural diagram of a display device according to an embodiment of the present invention, referring to fig. 20, the display device includes any one of the display panels 410 according to the embodiment of the present invention, and an arrow in fig. 20 represents a light emitting display direction of the display panel 410. The display device can be a mobile phone, a tablet computer, an intelligent wearable device and the like.
Exemplarily, referring to fig. 20, the display device further includes a light sensing element 420, the light sensing element 420 is located in the light sensing element installation area 103, and the external ambient light reaches the light sensing element 420 located on the backlight side of the display panel 410 after passing through the light sensing element installation area 103 of the display panel 410, so as to realize specific optical performance, for example, realize functions of image capturing and the like.
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 (17)
1. A display panel, comprising:
the display area comprises a first display area and a light sensing element arrangement area, and the first display area at least partially surrounds the light sensing element arrangement area;
a substrate base plate;
a plurality of sub-pixels located in the display area on one side of the substrate base plate; a plurality of color resistors and black matrixes are arranged on one side of the plurality of sub-pixels far away from the substrate base plate, the black matrixes surround and form an opening, the vertical projection of the sub-pixels on the substrate base plate is positioned in the vertical projection of at least part of the opening on the substrate base plate, and the vertical projection of the color resistors on the substrate base plate is overlapped with the vertical projection of at least part of the opening on the substrate base plate;
the display device further comprises a plurality of thin film transistors;
the plurality of thin film transistors comprise first thin film transistors, the first thin film transistors are positioned in the light sensing element arrangement area, positioned between the sub-pixels in the light sensing element arrangement area and the substrate base plate, and electrically connected with the sub-pixels in the light sensing element arrangement area;
the vertical projection of the first thin film transistor on the substrate base plate is positioned in the joint projection of the sub-pixel and the black matrix on the substrate base plate.
2. The display panel according to claim 1, further comprising a second display region surrounding the light-sensing element disposition region, wherein an area of the black matrix per unit area in the second display region is larger than or equal to an area of the black matrix per unit area in the first display region.
3. The display panel according to claim 2, wherein the black matrix in the second display region covers an entire area outside the opening.
4. The display panel according to claim 2, wherein the black matrix includes a first black matrix in the first display region, a second black matrix in the second display region, and a third black matrix in the light-sensing element disposition region;
the thickness of the second black matrix is smaller than that of the third black matrix, and the thickness of the third black matrix is smaller than that of the first black matrix.
5. The display panel according to claim 4, wherein the second black matrix has a thickness gradually increasing along a direction in which the first display region points toward the light-sensing element disposition region.
6. The display panel according to claim 2, wherein the plurality of sub-pixels are arrayed in a first direction and a second direction, the first direction crossing the second direction;
along the first direction, the distance between the vertical projection of the edge of the opening on the substrate and the vertical projection of the sub-pixel exposed by the opening on the substrate is a first distance;
along the second direction, the distance between the vertical projection of the edge of the opening on the substrate and the vertical projection of the sub-pixel exposed by the opening on the substrate is a second distance;
the first distance in the second display region is greater than the first distance in the light-sensing element placement region, and the first distance in the light-sensing element placement region is greater than the first distance in the first display region; and/or the second distance in the second display area is greater than the second distance in the light-sensing element arrangement area, and the second distance in the light-sensing element arrangement area is greater than the second distance in the first display area.
7. The display panel according to claim 2, wherein the plurality of sub-pixels include a display sub-pixel and a dummy sub-pixel; the first display area comprises the display sub-pixels, and the second display area comprises the display sub-pixels and the dummy sub-pixels;
the number of the display sub-pixels in the unit area in the second display area is smaller than the number of the display sub-pixels in the unit area in the first display area;
the plurality of openings comprise a first opening and a second opening, the vertical projection of the display sub-pixel on the substrate is positioned in the vertical projection of the first opening on the substrate, and the vertical projection of the dummy sub-pixel on the substrate is positioned in the vertical projection of at least part of the second opening on the substrate.
8. The display panel according to claim 7, wherein an area of the first opening projected perpendicularly to the substrate base is larger than an area of the second opening projected perpendicularly to the substrate base.
9. The display panel according to claim 7, wherein the sub-pixel comprises a first electrode, an organic light emitting functional layer, and a second electrode, the organic light emitting functional layer being located between the first electrode and the second electrode;
the display panel further comprises a pixel defining layer located between the first electrode and the second electrode, the pixel defining layer comprising a plurality of through holes located within a vertical projection of the first opening on the substrate base in a vertical projection on the substrate base;
in the display sub-pixel, the organic light-emitting function layer is positioned in the through hole and is in contact with the first electrode;
in the dummy sub-pixel, the pixel defining layer is spaced between the first electrode and the organic light emitting function layer.
10. The display panel according to claim 9,
the display panel further comprises a plurality of thin film transistors electrically connected to the first electrodes;
the plurality of sub-pixels are arranged in an array along a first direction and a second direction, the first direction is crossed with the second direction, and the number of rows of thin film transistors arranged along the first direction in the first display area is equal to the number of rows of thin film transistors arranged along the first direction in the second display area.
11. The display panel according to claim 1, wherein the plurality of openings includes a first opening and a second opening, the sub-pixel is located within the first opening in the substrate vertical projection, and at least a part of the second opening is located in a region where a gap between the sub-pixels is located.
12. The display panel according to claim 2, further comprising a plurality of thin film transistors;
the plurality of thin film transistors comprise first thin film transistors, the first thin film transistors are located in the second display area, and the first thin film transistors are located between the black matrix and the substrate base plate and are electrically connected with the sub-pixels in the light sensation element arrangement area.
13. The display panel according to claim 12, wherein the plurality of thin film transistors further comprises a second thin film transistor and a third thin film transistor;
the second thin film transistor is positioned in the second display area and is electrically connected with the sub-pixel in the second display area;
the third thin film transistor is positioned in the first display area, positioned between the sub-pixel in the first display area and the substrate and electrically connected with the sub-pixel in the first display area;
the area of the vertical projection of the first thin film transistor and the area of the vertical projection of the second thin film transistor on the substrate base plate are both smaller than the area of the vertical projection of the third thin film transistor on the substrate base plate.
14. The display panel according to claim 12, wherein the plurality of thin film transistors further comprises a second thin film transistor located in the second display region and electrically connected to the sub-pixels in the second display region, at least a portion of the second thin film transistor being located in a region where a gap between the sub-pixels is located;
the plurality of openings comprise a first opening and a second opening, the vertical projection of the sub-pixels on the substrate is positioned in the vertical projection of the first opening on the substrate, and the second thin film transistor in the area where the gap between the sub-pixels is positioned on the vertical projection of the substrate is positioned in at least part of the vertical projection of the second opening on the substrate.
15. The display panel of claim 11, wherein the projection of the edge of the sub-pixel on the substrate base is a first pattern, and the vertical projection of the edge of the opening on the substrate base in the light sensing element disposing region is a second pattern, the shape of the second pattern being consistent with the shape of the first pattern.
16. The display panel according to claim 1, wherein an outer edge of the black matrix in the light sensing element disposition region includes a curve.
17. A display device characterized by comprising the display panel according to any one of claims 1 to 16.
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| CN202210689358.4A CN114927631A (en) | 2020-06-29 | 2020-06-29 | Display panel and display device |
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| CN202210689358.4A CN114927631A (en) | 2020-06-29 | 2020-06-29 | Display panel and display device |
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| CN202210689290.XA Pending CN114975832A (en) | 2020-06-29 | 2020-06-29 | Display panel and display device |
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| CN202210689290.XA Pending CN114975832A (en) | 2020-06-29 | 2020-06-29 | Display panel and display device |
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| CN202210687279.XA Pending CN114899341A (en) | 2020-06-29 | 2020-06-29 | Display panel and display device |
| CN202210689284.4A Pending CN114927630A (en) | 2020-06-29 | 2020-06-29 | Display panel and display device |
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| CN113471263A (en) * | 2021-06-30 | 2021-10-01 | 上海天马微电子有限公司 | Display panel and display device |
| CN112116874B (en) * | 2020-10-09 | 2022-07-15 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN112713175B (en) * | 2020-12-14 | 2022-11-22 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113156692B (en) * | 2021-03-25 | 2022-09-06 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113178459B (en) * | 2021-04-01 | 2022-07-29 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113299721A (en) * | 2021-05-26 | 2021-08-24 | 上海天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| CN114047648B (en) * | 2021-11-04 | 2024-04-19 | 武汉华星光电技术有限公司 | Display module and display device |
| CN114171571B (en) * | 2021-12-08 | 2023-12-01 | 武汉华星光电半导体显示技术有限公司 | Display panel and mobile terminal |
| CN114283699B (en) * | 2021-12-24 | 2023-07-04 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| CN116686412A (en) * | 2021-12-30 | 2023-09-01 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN115224093A (en) * | 2022-07-25 | 2022-10-21 | 武汉天马微电子有限公司 | Display panel and display device |
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| US11073712B2 (en) * | 2018-04-10 | 2021-07-27 | Apple Inc. | Electronic device display for through-display imaging |
| KR102512330B1 (en) * | 2018-10-30 | 2023-03-21 | 삼성디스플레이 주식회사 | Display device |
| CN111128066B (en) * | 2018-10-31 | 2024-01-30 | 北京小米移动软件有限公司 | Terminal screen, screen structure, control method and device thereof and terminal |
| CN110767720B (en) * | 2019-06-05 | 2020-09-08 | 昆山国显光电有限公司 | Display substrate, display panel and display device |
| CN114823813A (en) * | 2019-10-30 | 2022-07-29 | 武汉天马微电子有限公司 | Organic light-emitting display panel and display device |
| CN111293162B (en) * | 2020-03-24 | 2022-07-26 | 武汉天马微电子有限公司 | Display panel and display device |
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| CN114899341A (en) | 2022-08-12 |
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| CN111739915A (en) | 2020-10-02 |
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