CN117712136A - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN117712136A
CN117712136A CN202311727313.2A CN202311727313A CN117712136A CN 117712136 A CN117712136 A CN 117712136A CN 202311727313 A CN202311727313 A CN 202311727313A CN 117712136 A CN117712136 A CN 117712136A
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China
Prior art keywords
reflection
display panel
reflective
transparent region
light
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CN202311727313.2A
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Chinese (zh)
Inventor
周文泣
霍思涛
吴天一
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Tianma New Display Technology Research Institute Xiamen Co ltd
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Tianma New Display Technology Research Institute Xiamen Co ltd
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Priority to CN202311727313.2A priority Critical patent/CN117712136A/en
Publication of CN117712136A publication Critical patent/CN117712136A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15Devices 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
    • H01L27/153Devices 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
    • H01L27/156Devices 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The disclosure relates to a display panel and a display device, and belongs to the technical field of display. The display panel includes a transparent region and a first non-transparent region; the light transmittance of the transparent region is higher than that of the first non-transparent region, the first non-transparent region is provided with a plurality of light-emitting elements, and the transparent region is provided with an antireflection layer. The display control method and the display control device can reduce crosstalk between pixels, and therefore the technical problem of fuzzy display effect is solved to a certain extent.

Description

Display panel and display device
Technical Field
The disclosure relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
The display panel is used as an important component of the display device to realize the display function of the display device, and the Light-Emitting Diode (LED) display panel has the advantages of self-luminescence, low power consumption, high aperture ratio, high saturation, high reaction speed, no need of a polarizing film and the like, and has unique technical advantages in the field of transparent display.
Transparent display refers to a display screen having a certain transparency, with a transparent portion and a non-transparent portion. The non-transparent part is used for displaying images and is the same as a conventional display screen substrate; the transparent part can allow a user to see the scenery behind the screen through the screen, so that the display screen can not completely shield the vision of the user, and therefore, the transparent display technology is widely applied to the scenes such as vehicle-mounted screens and the like which need to avoid influencing the vision.
Some of the light from the LED is emitted obliquely at a larger angle and totally reflected within the display screen. Because of the existence of the transparent part, the total reflection light is easier to reflect for multiple times in the display screen, reaches a place farther away and is emitted out of the screen, light crosstalk between pixels is aggravated, and the bright and dark boundaries of a display picture are unclear, so that the technical problem of fuzzy display effect is caused.
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a display panel and a display device.
The present disclosure provides a display panel including a transparent region and a first non-transparent region;
the light transmittance of the transparent region is higher than that of the first non-transparent region, the first non-transparent region is provided with a plurality of light-emitting elements, and the transparent region is provided with an antireflection layer.
The disclosure also provides a display device comprising the display panel.
Compared with the prior art, the technical scheme provided by the disclosure has the following advantages:
the display panel provided by the disclosure belongs to a transparent display panel, and comprises a transparent area and a first non-transparent area, wherein the light transmittance of the transparent area is higher than that of the first non-transparent area. Wherein the first non-transparent area is provided with a plurality of light-emitting elements for displaying images; the transparent region is provided with an anti-reflection layer, and light irradiated to the anti-reflection layer is absorbed by the anti-reflection layer without being reflected. When the total reflection light irradiates the anti-reflection layer, the light can be absorbed by the anti-reflection layer and no reflection occurs, so that crosstalk between pixels is reduced, the light and shade boundary of a display picture is clearer, and the technical problem of fuzzy display effect is solved to a certain extent.
Correspondingly, the display device provided by the disclosure also has the technical effects.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 shows a schematic cross-sectional view of a display panel in the related art;
fig. 2 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of a display panel along the direction A-A in FIG. 2 provided by an embodiment of the present disclosure;
fig. 4 is another schematic plan view of a display panel according to an embodiment of the disclosure;
FIG. 5 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 6 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 7 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 8 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 9 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 10 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 11 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 12 is a schematic cross-sectional view of a display panel along the direction C-C in FIG. 2 provided by an embodiment of the present disclosure;
FIG. 13 is another schematic cross-sectional view of a display panel along the direction C-C in FIG. 2 provided by an embodiment of the present disclosure;
FIG. 14 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 15 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
FIG. 16 is a schematic plan view of a display panel according to an embodiment of the present disclosure;
fig. 17 shows a schematic plan view of a display device provided by an embodiment of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
As shown in fig. 1, the related art transparent display screen mainly includes a substrate base 001, an optical adhesive layer 002, a cover plate 003, a light shielding layer 004, and light emitting elements 005, 006, and has a transparent portion a01 and a non-transparent portion a02. The refractive index of air is 1.0, the substrate 001 and the cover plate 003 are usually made of glass materials, the refractive index is about 1.5, the refractive index of the optical adhesive layer 002 is also about 1.5, and the critical angle θ of total reflection at the interfaces between the substrate 001, the cover plate 003 and air is about 41.8 °.
The light emitted from the light emitting element 005 includes the following types: l1 is perpendicularly projected out of the cover plate 003. L2 exits the cover plate 003 at an angle less than the critical angle θ. L3 is obliquely emitted at an angle greater than a critical angle theta and totally reflected in the display screen. Because of the existence of the transparent part, L3 can reach another light-emitting element 006 after multiple reflection in the display screen, form L4 after the diffuse reflection takes place in light-emitting element 006 and shoot out apron 003, formed the light crosstalk between the pixel, cause the bright and dark boundary of the display screen to be unclear, make the display screen produce the halation phenomenon, lead to the fuzzy technical problem of display effect. The other part of the L3 is diffusely reflected at the light-emitting element 006 to form L5 to be emitted from the side of the display screen, and in addition, a part of light L6 which is obliquely emitted at an angle larger than the critical angle theta is emitted from the side of the display screen after being reflected for multiple times in the display screen, so that the technical problem of light leakage at the edge of the screen is caused.
Aiming at the technical problems, the embodiment of the disclosure provides a display panel and a display device, which can solve the technical problems of fuzzy display effect and light leakage at the edge of a screen to a certain extent.
The display panel and the display device provided by the embodiments of the present disclosure are exemplarily described below with reference to the accompanying drawings.
As shown in fig. 2 and 3, fig. 2 is a schematic plan view of a display panel provided by an embodiment of the present disclosure, and fig. 3 is a schematic A-A section view of the display panel provided by an embodiment of the present disclosure. The display panel includes a transparent region A0 and a first non-transparent region A1, the transparent region A0 having a higher light transmittance than the first non-transparent region A1, the first non-transparent region A1 being provided with a plurality of light emitting elements 30, the transparent region A0 being provided with an anti-reflection layer 40.
The first non-transparent area A1 is for displaying an image, in which a light shielding layer 20 and a plurality of light emitting elements 30, for example, a red (R) light emitting element, a green (G) light emitting element, and a blue (B) light emitting element, are disposed to constitute one pixel unit. Two light emitting elements of each color are schematically illustrated in fig. 2, and in other embodiments, the light emitting elements of each color may be any number of one, three, four, etc., and the specific number of light emitting elements of each color is not limited in the embodiments of the present disclosure. Two light emitting elements of each color in fig. 2, one of which is a primary light emitting element and the other of which is a backup light emitting element. In general, a main light emitting element is used for emitting light, and a standby light emitting element is used for emitting light after repairing a display panel if the main light emitting element fails during production and assembly. For example, only one of the two red light emitting elements emits light, and the other does not emit light, and fig. 2 is only a schematic illustration of the two light emitting elements of each color, without explicit distinction. As another example, in some embodiments, in view of low light emission efficiency of the red light emitting element, a plurality of red light emitting elements may be provided to increase light emission luminance (two are provided in fig. 2), both of which are primary light emitting elements. It should be noted that the arrangement of the light emitting elements in fig. 2 is only illustrative, and is not limited to the embodiments of the disclosure.
The light emitting element 30 may be a Light Emitting Diode (LED) or a Micro light emitting diode (Micro-LED). The light shielding layer 20 is used for shielding reflective members such as a driving circuit in the display panel, and preventing external ambient light from being irradiated on the reflective members to reflect the images displayed on the display panel during use of the display panel.
The transparent area A0 allows the user to see the scene behind the screen through the screen so that the display screen does not completely obstruct the user's view. As shown in fig. 2 and 3, the transparent region A0 is provided with the anti-reflection layer 40, and the material of the anti-reflection layer 40 is not limited in the embodiments of the present disclosure, and may be formed of, for example, a light shielding material having a light absorbing property, and light irradiated to the anti-reflection layer 40 may be absorbed by the anti-reflection layer 40 without being reflected. Some light L emitted by the light emitting element 30 is obliquely emitted at an angle greater than the critical angle θ, and total reflection occurs in the display panel, and when the total reflection light irradiates the anti-reflection layer 40, the light is absorbed by the anti-reflection layer 40 and is not reflected to other pixel units or other transparent areas, so that crosstalk between pixels can be reduced, the occurrence of halation is reduced, the light-dark boundary of a display screen is clearer, the technical problem of blurred display effect is solved to a certain extent, and the technical problem of light leakage at the edge of the screen is solved to a certain extent.
In some embodiments, as shown in fig. 2, the anti-reflection layer 40 includes a plurality of island-shaped anti-reflection structures 41, and the island-shaped anti-reflection structures 41 are isolated island-shaped structures, so as to weaken continuous dark lines caused by the anti-reflection layer 40, compared with the continuously arranged anti-reflection structures. The island-shaped anti-reflection structure 41 in fig. 2 is rectangular, and in other embodiments, the island-shaped anti-reflection structure 41 may have other shapes such as a circle, an ellipse, and the like.
In some embodiments, as shown in fig. 2, at least a portion of the anti-reflective structures 41 are arranged along the first direction X to form an anti-reflective structure column 410, and along the first direction X, the anti-reflective structure column 410 at least partially overlaps the light emitting element 30. The first direction X is the direction in which the transparent area A0 points to the first non-transparent area A1, i.e., the longitudinal direction in fig. 2. The light emitted from the light emitting element 30 is emitted along each direction, including the light emitted along the first direction X, and also including the light emitted obliquely at an angle to the first direction X, and the light emitted obliquely has a longer propagation path in the transparent area A0 than the light emitted along the first direction X, so that the light is more likely to be blocked by the anti-reflection structure 41. The anti-reflection structure column 410 at least partially overlaps the light emitting element 30, so that light emitted along the first direction X, which has a shorter propagation path, can be effectively blocked by the anti-reflection structure column 410, and thus, totally reflected light propagating along the first direction X can be better blocked. The anti-reflection structure columns 410 shown in fig. 2 are overlapped with the light emitting elements 30 as a whole, and can block the totally reflected light propagating in the first direction X to the maximum.
In fig. 2, 6 anti-reflection structure columns 410 are schematically shown, and there are 4 island-shaped anti-reflection structures 41 in each anti-reflection structure column 410, and at least part of the anti-reflection structures 41 are aligned in the first direction X. In other embodiments, the number of anti-reflection structure columns and the number of anti-reflection structures in each anti-reflection structure column may be any other number, and the number of anti-reflection structure columns and the number of anti-reflection structures in each anti-reflection structure column are not limited in the embodiments of the present disclosure.
In some embodiments, at least a portion of the anti-reflection structures 41 may also be aligned in a second direction Y perpendicular to the first direction X, i.e. the anti-reflection structures 41 are arranged in a matrix.
In some embodiments, as shown in fig. 4, the anti-reflective layer 40 includes a first anti-reflective structure row 411 and a second anti-reflective structure row 412, the first anti-reflective structure row 411 and the second anti-reflective structure row 412 being aligned along a first direction X.
The first anti-reflection structure row 411 includes a plurality of anti-reflection structures 41 arranged along the second direction Y, with a first space between adjacent anti-reflection structures 41; the second anti-reflection structure row 412 includes a plurality of anti-reflection structures 41 arranged along the second direction Y with a second interval between adjacent anti-reflection structures 41. Along the first direction X, at least a portion of the anti-reflection structures 41 of the second anti-reflection structure row 412 overlap the first space. As previously described, when the totally reflected light propagates in the first direction X, a portion is absorbed by the anti-reflection structure 41 of the first anti-reflection structure row 411, and a portion passes through the first anti-reflection structure row 411 from the first space. In this embodiment, at least part of the anti-reflection structures 41 of the second anti-reflection structure row 412 overlap the first space, so that the total reflection light passing through the first space is blocked by the anti-reflection structures 41 of the second anti-reflection structure row 412, and the effect of filling the gap of the first anti-reflection structure row 411 is achieved, thereby reducing halation and light leakage. Similarly, the second interval of the second anti-reflection structure row 412 may also overlap the anti-reflection structure 41 of the first anti-reflection structure row 411, and the anti-reflection structures 41 in the first anti-reflection structure row 411 and the second anti-reflection structure row 412 form an alternate arrangement, so as to achieve the effect of filling gaps alternately. The first direction X is a direction in which the transparent area A0 points to the first non-transparent area A1, the second direction Y intersects the first direction X, and in fig. 4, the second direction Y is perpendicular to the first direction X, and in other embodiments, the second direction Y may intersect the first direction X at other angles. Two first anti-reflection structure rows 411 and two second anti-reflection structure rows 412 are schematically shown in fig. 4, each first anti-reflection structure row 411 having 6 island-like anti-reflection structures 41, and each second anti-reflection structure row 412 having 5 island-like anti-reflection structures 41. In other embodiments, the number of the first anti-reflection structure rows and the second anti-reflection structure rows may be any other number, and the number of the first anti-reflection structure rows and the second anti-reflection structure rows is not limited in the embodiments of the present disclosure; the number of island-shaped anti-reflection structures in the first anti-reflection structure row and the number of island-shaped anti-reflection structures in the second anti-reflection structure row may be any other number, and the number of island-shaped anti-reflection structures in the first anti-reflection structure row and the number of island-shaped anti-reflection structures in the second anti-reflection structure row are not limited in the embodiment of the present disclosure.
In some embodiments, at least a portion of the anti-reflective structures of the first and/or second anti-reflective structure rows overlap the light emitting elements along the first direction X.
In fig. 4, along the first direction X, the anti-reflection structures 41 of the first anti-reflection structure row 411 overlap the light emitting elements 30, and the anti-reflection structures 41 of the second anti-reflection structure row 412 do not overlap the light emitting elements 30.
In some embodiments, as shown in fig. 5, along the first direction X, only the anti-reflection structure 41 of the second anti-reflection structure row 412 may overlap the light emitting element 30, and the anti-reflection structure 41 of the first anti-reflection structure row 411 may not overlap the light emitting element 30.
In some embodiments, as shown in fig. 6, in a first direction X, both the anti-reflective structures 41 of the first anti-reflective structure row 411 and the anti-reflective structures 41 of the second anti-reflective structure row 412 overlap the light emitting elements 30. The size of the anti-reflection structure 41 may be smaller than that of the light emitting element 30, and thus one light emitting element 30 may overlap with a plurality of anti-reflection structures 41 at the same time. The more portions of the anti-reflection structure 41 overlapping the light emitting elements 30, the better the total reflection light traveling in the first direction X can be blocked.
In some embodiments, as shown in fig. 7, the anti-reflective structures 41 of the second anti-reflective structure rows 412 cover the first spacing along the first direction X. As previously described, when the totally reflected light propagates in the first direction X, a portion is absorbed by the anti-reflection structure 41 of the first anti-reflection structure row 411, and a portion passes through the first anti-reflection structure row 411 from the first space. In the embodiment of the disclosure, along the first direction X, the anti-reflection structures 41 of the second anti-reflection structure row 412 can cover the first space, so as to fill the gap of the first anti-reflection structure row 411, so as to reduce the halo and light leakage phenomena to a greater extent. For example, in a second direction Y perpendicular to the first direction X, the length of the anti-reflective structures 41 of the second anti-reflective structure row 412 is greater than the length of the first space, such that the anti-reflective structures 41 of the second anti-reflective structure row 412 can completely cover the first space.
In some embodiments, the anti-reflective structures 41 of the first anti-reflective structure rows 411 may also cover the second spaces along the first direction X. For example, in a second direction Y perpendicular to the first direction X, the length of the anti-reflection structures 41 of the first anti-reflection structure row 411 is greater than the length of the second space, so that the anti-reflection structures 41 of the first anti-reflection structure row 411 can completely cover the second space.
Two first anti-reflection structure rows 411 and two second anti-reflection structure rows 412 are schematically shown in fig. 7, each first anti-reflection structure row 411 having 6 island-like anti-reflection structures 41, and each second anti-reflection structure row 412 having 5 island-like anti-reflection structures 41. In other embodiments, the number of the first anti-reflection structure rows and the second anti-reflection structure rows may be any other number, and the number of the first anti-reflection structure rows and the second anti-reflection structure rows is not limited in the embodiments of the present disclosure; the number of island-shaped anti-reflection structures in the first anti-reflection structure row and the number of island-shaped anti-reflection structures in the second anti-reflection structure row may be any other number, and the number of island-shaped anti-reflection structures in the first anti-reflection structure row and the number of island-shaped anti-reflection structures in the second anti-reflection structure row are not limited in the embodiment of the present disclosure.
The display panel shown in fig. 7 includes a transparent area A0, a first non-transparent area A1, and a second non-transparent area A2, wherein the second non-transparent area A2 is located at an edge of the transparent area A0 and is a portion between adjacent transparent areas A0, and the second non-transparent area is mainly used for setting a trace, such as a data line, in a second direction Y. The second non-transparent area A2 is also provided with a light shielding layer 20 for shielding reflective components such as traces. The first non-transparent area A1 and the second non-transparent area A2 together surround the transparent area A0 to form one pixel unit.
In some embodiments, as shown in fig. 4 to 7, the anti-reflection layer 40 includes a plurality of first anti-reflection structure rows 411 and second anti-reflection structure rows 412, and the first anti-reflection structure rows 411 and the second anti-reflection structure rows 412 are alternately arranged along the first direction X, and an effect of filling gaps between the first anti-reflection structure rows 411 and the second anti-reflection structure rows 412 can be achieved, so that halation and light leakage are reduced.
In some embodiments, as shown in fig. 8, the anti-reflection structures 41 are arranged randomly, and compared with the way of arranging the anti-reflection structures 41 in a certain rule, the way of arranging randomly reduces total reflection light, avoids halation and light leakage phenomena, and simultaneously reduces to a certain extent, and even avoids diffraction phenomena of the total reflection light. If the antireflection structures 41 are arranged in a regular manner, for example, in a matrix, the intervals between the antireflection structures 41 are equal, or the longitudinal intervals along the first direction X are equal, the lateral intervals along the second direction Y are equal, but the lateral intervals are not equal to the longitudinal intervals. If the distance between the anti-reflection structures 41 is in a certain multiple relationship with the wavelength of the total reflection light, the total reflection light will be diffracted to form diffraction fringes, which adversely affects the overall display effect of the display panel. The anti-reflection structures 41 are arranged randomly, so that the intervals between the anti-reflection structures 41 are not fixed, the diffraction phenomenon of total reflection light is reduced to a certain extent, and even avoided.
In some embodiments, as shown in fig. 9 and 10, the anti-reflection layer 40 includes a plurality of anti-reflection strips 42, and compared with the island-shaped anti-reflection structure 41, the coverage area of the anti-reflection strips 42 is larger, so that the total reflection light can be absorbed more effectively, and the technical problem of fuzzy display effect and the technical problem of light leakage at the edge of the screen are solved better.
In some embodiments, as shown in fig. 9, the anti-reflection stripes 42 extend along a first direction X, where the first direction X is a direction in which the transparent area A0 points toward the first non-transparent area A1, and the plurality of anti-reflection stripes 42 are arranged along a second direction Y that intersects the first direction X. The light emitted from the light emitting element 30 is emitted in all directions, including the light emitted in the first direction X, and also including the light emitted obliquely at an angle to the first direction X, and most of the light is the light emitted obliquely. The anti-reflection strip 42 extending along the first direction X and most of the light emitted obliquely can form a certain included angle, that is, the light emitted obliquely has a high probability of being irradiated on the anti-reflection strip 42 extending along the first direction X and being absorbed by the anti-reflection strip 42 without reflection, so that the anti-reflection strip 42 extending along the first direction X has a good absorption effect on most of the total reflection light, and therefore, the occurrence of halation and light leakage phenomena can be effectively reduced. The second direction Y is perpendicular to the first direction X in fig. 9, and in other embodiments, the second direction Y may intersect the first direction X at other angles.
In some embodiments, at least a portion of the anti-reflective strips 42 overlap the light emitting elements 30 along the first direction X. The light emitted from the light emitting element 30 is emitted along each direction, including the light emitted along the first direction X, and also including the light emitted obliquely at an angle to the first direction X, and the light emitted obliquely has a longer propagation path in the transparent area A0 than the light emitted along the first direction X, so that the possibility of being blocked by the anti-reflection strip 42 is also higher. The anti-reflection strip 42 at least partially overlaps the light emitting element 30, so that light emitted in the first direction X, which has a short propagation path, can be effectively blocked by the anti-reflection strip 42, and thus, totally reflected light propagating in the first direction X can be well blocked.
In some embodiments, as shown in fig. 10, the anti-reflection stripes 42 extend along a second direction Y, and the plurality of anti-reflection stripes 42 are arranged along a first direction X, wherein the first direction X is a direction in which the transparent area A0 points toward the first non-transparent area A1, and the second direction Y intersects the first direction X. The arrangement direction of the light emitting elements 30 in the first non-transparent area A1 generally forms an included angle with the first direction X, that is, the light emitting elements 30 are generally arranged along the second direction Y, so that the light shielding layers 20 and the light emitting elements 30 in the first non-transparent area A1 are alternately arranged along the second direction Y, which is limited by the precision of the manufacturing process, and the light shielding layers 20 are easy to have gaps and are distributed along the second direction Y. The anti-reflection strip 42 extending along the second direction Y can effectively block the emitted light at the notches distributed in the second direction Y, thereby reducing halation and light leakage. The second direction Y is perpendicular to the first direction X in fig. 10, and in other embodiments, the second direction Y and the first direction X may intersect at other angles.
In some embodiments, as shown in fig. 11, the anti-reflection layer 40 includes a grid-shaped anti-reflection structure 43, dividing the transparent area A0 into a plurality of independent light-transmitting grids, which has the advantages of anti-reflection strips extending along the first direction X and anti-reflection strips extending along the second direction Y, and further reduces halation and light leakage.
In some embodiments, as shown in fig. 2, 3 and 12, the display panel includes a substrate 11, an optical adhesive layer 12 and a cover plate 13, and a driving circuit 14 is formed on the substrate 11 of the display panel, and an electrode 301 of a light emitting element 30 is bonded to the driving circuit 14. The display panel further comprises a light shielding layer 20, the light shielding layer 20 is located in the first non-transparent area A1, the light shielding layer 20 comprises a plurality of light shielding openings, and the light emitting elements 30 are overlapped with the light shielding openings along the thickness direction of the display panel, so that light reflecting components such as a driving circuit and the like can be shielded, and external environment light is prevented from being irradiated on the light reflecting components to reflect in use of the display panel, and images displayed on the display panel are disturbed. In addition, taking fig. 2 as an example, the light shielding layer 20 disposed in the first non-transparent area A1 can form a cross bar structure in the second direction Y, and can effectively reduce the reflection of light in the second direction Y. If the display panel further includes a second non-transparent area A2, such as the structure shown in fig. 7, the light shielding layer 20 is also located in the second non-transparent area A2 to cover the light reflecting component of the second non-transparent area A2. The light shielding layer 20 and the anti-reflection layer 40 of the transparent area A0 may be made of the same material, such as black resin or black glue, and the light shielding layer 20 and the anti-reflection layer 40 may be simultaneously manufactured in the same photolithography process during the manufacturing process of the display panel.
In some embodiments, as shown in fig. 13, at least a portion of the light shielding layer 20 is in lateral contact with the light emitting element 30. The light emitting element 30 is a three-dimensional light emitting body, and the surface of the light emitting element in all directions emits light, and the light emitted from the side surface of the light emitting element 30 does not have a great positive effect on normal image display, but rather, halation and light leakage are more likely to be formed. The light shielding layer 20 is in contact with the side surface of the light emitting element 30, and can shield light emitted from the side surface of the light emitting element 30, thereby reducing halation and light leakage.
In some embodiments, the area of the anti-reflection layer 40 in the transparent region A0 is 10% to 50%. If the area ratio of the antireflection layer 40 in the transparent area A0 is too small, for example, less than 10%, it is difficult to effectively block the totally reflected light, and the effect of reducing halation and light leakage is not obvious; if the area ratio of the antireflection layer 40 in the transparent area A0 is too large, for example, more than 50%, the transparency of the transparent area A0 is too much reduced, and the function of the transparent area A0 itself is affected. Therefore, the area ratio of the antireflection layer 40 in the transparent region A0 may not be too small nor too large. Further, the area ratio of the anti-reflection layer 40 in the transparent region A0 may be 30% to 40%.
In some embodiments, the pattern of the anti-reflection layer 40 of the plurality of transparent regions A0 in the display panel is the same. As shown in fig. 14, the antireflection layer 40 of the plurality of transparent areas A0 in the display panel is an island-shaped antireflection structure 41, and in fig. 14, only three rows and three columns of pixel units a are schematically shown, nine pixel units a and three transparent areas A0 are provided in total, three color light emitting elements 30 are provided in the first non-transparent area A1 of each pixel unit a, one transparent area A0 is provided for each row of pixel units a, and each transparent area A0 spans the entire display panel. The three rows and three columns of pixel units a in fig. 14 may also be regarded as that each pixel unit a includes a first non-transparent area A1 and a transparent area A0, wherein the light emitting elements 30 of three colors are disposed in the first non-transparent area A1, and the transparent area A0 is provided with an island-shaped anti-reflection structure 41, and only the transparent areas A0 of adjacent pixel units a in the same row are not delimited by a solid structure, but are connected together in whole rows.
In some embodiments, as shown in fig. 15, the antireflection layers 40 of the plurality of transparent areas A0 in the display panel are all antireflection strips 42, and the extending directions of the antireflection strips 42 are all the same. In fig. 15, only three rows and three columns of pixel units a are schematically shown, each pixel unit a includes a first non-transparent area A1, a second non-transparent area A2, and a transparent area A0, the first non-transparent area A1 is provided with light emitting elements 30 of three colors, and the transparent area A0 is provided with an antireflection stripe 42. The anti-reflection strips 42 of the transparent areas A0 in the display panel extend along the same direction, so that the display effect of the whole display panel has better consistency.
In some embodiments, as shown in fig. 16, the extending directions of the antireflection stripes 42 of adjacent transparent areas A0 in the display panel are different. In fig. 16, only three rows and three columns of pixel units a are schematically shown, each pixel unit a includes a first non-transparent area A1, a second non-transparent area A2 and a transparent area A0, the first non-transparent area A1 is provided with light emitting elements 30 with three colors, and the extending directions of the anti-reflection strips 42 of adjacent transparent areas A0 are different, so that the advantage of the anti-reflection strips 42 with two different extending directions can be combined, and the display panel has a better display effect. The extending directions of the antireflection stripes 42 of the adjacent transparent areas A0 in the first direction X may be different, the extending directions of the antireflection stripes 42 of the adjacent transparent areas A0 in the second direction Y may be different, or the extending directions of the antireflection stripes 42 of the adjacent transparent areas A0 in both directions may be different.
In some embodiments, the display panel includes a plurality of transparent regions, and the pattern design of the anti-reflection layer in the transparent regions may be the same or different. For example, some of the transparent regions have island-like antireflection structures, some of the transparent regions have stripe-like antireflection stripes, and some of the transparent regions have grid-like antireflection structures. The display panel may adopt a mixed scheme of the two or three graphic designs, wherein adjacent transparent regions may adopt different graphic designs, for example, one transparent region adopts an island-shaped anti-reflection structure, and the adjacent transparent region adopts a strip-shaped anti-reflection strip. The adjacent transparent regions may also be of the same pattern design but arranged differently, for example, one transparent region may employ an antireflection stripe extending in the first direction, an adjacent transparent region may employ an antireflection stripe extending in the second direction, or both adjacent transparent regions may employ island-like antireflection structures but the antireflection structures may be arranged differently or differently sized. The same pattern design and arrangement mode can also be adopted for a plurality of continuous transparent areas, and then another pattern design or another arrangement mode is adopted for a plurality of continuous transparent areas, but not every two adjacent transparent areas adopt different pattern designs and arrangement modes.
The embodiment of the disclosure further provides a display device, as shown in fig. 17, and fig. 17 is a schematic structural diagram of the display device provided in the embodiment of the disclosure, where the display device includes the display panel 100 provided in any of the embodiments described above. The specific structure of the display panel 100 is described in detail in the above embodiments, and will not be described here again. Of course, the display device shown in fig. 17 is only a schematic illustration, and the display device may be any electronic apparatus having a display function, such as a mobile phone, a tablet computer, a notebook computer, an electronic book, or a television.
The display device provided by the embodiment of the disclosure has the same technical characteristics as the display panel provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (18)

1. A display panel comprising a transparent region and a first non-transparent region;
the light transmittance of the transparent region is higher than that of the first non-transparent region, the first non-transparent region is provided with a plurality of light-emitting elements, and the transparent region is provided with an antireflection layer.
2. The display panel of claim 1, wherein the anti-reflective layer comprises a plurality of island-like anti-reflective structures.
3. The display panel of claim 2, wherein at least a portion of the anti-reflective structures are arranged in a first direction to form an array of anti-reflective structures, the array of anti-reflective structures at least partially overlapping the light-emitting elements in the first direction;
the first direction is a direction in which the transparent region points to the first non-transparent region.
4. The display panel of claim 2, wherein the anti-reflective layer comprises a first anti-reflective structure row and a second anti-reflective structure row, the first anti-reflective structure row and the second anti-reflective structure row being aligned along a first direction;
the first anti-reflection structure row comprises a plurality of anti-reflection structures arranged along the second direction, and a first interval is arranged between every two adjacent anti-reflection structures;
the second anti-reflection structure row comprises a plurality of anti-reflection structures arranged along a second direction, and a second interval is arranged between every two adjacent anti-reflection structures;
along the first direction, at least a portion of the anti-reflection structures of the second anti-reflection structure rows overlap the first spaces;
the first direction is a direction in which the transparent region points to the first non-transparent region, and the second direction intersects the first direction.
5. The display panel of claim 4, wherein at least a portion of the anti-reflective structures of the first and/or second anti-reflective structure rows overlap the light emitting elements in a first direction.
6. The display panel of claim 4, wherein the anti-reflective structures of the second row of anti-reflective structures cover the first space in the first direction.
7. The display panel of claim 4, wherein the anti-reflective layer comprises a plurality of the first and second anti-reflective structure rows, the first and second anti-reflective structure rows being alternately arranged along the first direction.
8. The display panel of claim 2, wherein the anti-reflective structures are randomly arranged.
9. The display panel of claim 1, wherein the anti-reflective layer comprises a plurality of anti-reflective strips.
10. The display panel of claim 9, wherein the anti-reflection stripes extend in a first direction and a plurality of the anti-reflection stripes are arranged in a second direction;
the first direction is a direction in which the transparent region points to the first non-transparent region, and the second direction intersects the first direction.
11. The display panel of claim 10, wherein at least a portion of the anti-reflection stripes overlap the light emitting elements in the first direction.
12. The display panel of claim 9, wherein the anti-reflection stripes extend in a second direction, and a plurality of the anti-reflection stripes are arranged in a first direction;
the first direction is a direction in which the transparent region points to the first non-transparent region, and the second direction intersects the first direction.
13. The display panel of claim 9, wherein the direction of extension of the anti-reflective strips in the display panel adjacent the transparent region is different.
14. The display panel of claim 1, wherein the anti-reflective layer comprises a grid-like anti-reflective structure.
15. The display panel according to claim 1, wherein the display panel includes a light shielding layer located in the first non-transparent region, the light shielding layer including a plurality of light shielding openings, the light emitting element overlapping the light shielding openings in a thickness direction of the display panel;
the light shielding layer and the anti-reflection layer are made of the same material.
16. The display panel according to claim 15, wherein at least part of the light shielding layer is in side contact with the light emitting element.
17. The display panel according to claim 1, wherein the area ratio of the antireflection layer in the transparent region is 10% to 50%.
18. A display device comprising the display panel according to any one of claims 1 to 17.
CN202311727313.2A 2023-12-14 2023-12-14 Display panel and display device Pending CN117712136A (en)

Priority Applications (1)

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CN202311727313.2A CN117712136A (en) 2023-12-14 2023-12-14 Display panel and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311727313.2A CN117712136A (en) 2023-12-14 2023-12-14 Display panel and display device

Publications (1)

Publication Number Publication Date
CN117712136A true CN117712136A (en) 2024-03-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311727313.2A Pending CN117712136A (en) 2023-12-14 2023-12-14 Display panel and display device

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Country Link
CN (1) CN117712136A (en)

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