Display panel and display device

Abstract

The invention is suitable for the technical field of display equipment, and provides a display panel and a display device. The pixel definition layer is arranged on one side of the substrate, in the second display area, the pixel definition layer comprises a first definition part and a second definition part which are adjacent to each other in the first direction, the length size of the first definition part is larger than that of the second definition part in the first direction, and the first direction is parallel to the surface of the substrate; the isolation layer is arranged on the side, away from the substrate, of the pixel definition layer, an isolation opening is formed between the first isolation part and the second isolation part in the second display area, the isolation layer comprises the first isolation part and the second isolation part which are adjacent to each other in the first direction, and a light-transmitting opening is further formed in the first isolation part; the light-emitting layer is arranged on one side of the substrate and comprises a plurality of light-emitting units arranged at intervals, and the light-emitting units correspond to the isolation openings. The arrangement density of the light-emitting units can be improved, so that the display effect of the display panel is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of display equipment, and in particular, relates to a display panel and a display device. Background Art

[0002] With the development of display technology, OLED (Organic Light Emitting Diode) display components have been widely used due to their advantages such as lighter weight, higher brightness, lower power consumption, faster response and higher definition.

[0003] In the display panel of the related art, there is a problem of poor display effect. Summary of the invention

[0004] In view of this, embodiments of the present application provide a display panel and a display device to solve the problem of poor display effect existing in current display panels.

[0005] A first aspect of an embodiment of the present application provides a display panel having a first display area and a second display area, the display panel comprising: a substrate; a pixel definition layer, arranged on one side of the substrate, in the second display area, the pixel definition layer comprising a first definition portion and a second definition portion arranged adjacent to each other along a first direction, a pixel opening being arranged between the first definition portion and the second definition portion, a length dimension of the first definition portion being greater than a length dimension of the second definition portion along the first direction, and the first direction being parallel to the surface of the substrate; an isolation layer, arranged on a side of the pixel definition layer away from the substrate, in the second display area, the isolation layer comprising a first isolation portion and a second isolation portion arranged adjacent to each other along the first direction, the first isolation portion being arranged on the first definition portion, the second isolation portion being arranged on the second definition portion, an isolation opening being arranged between the first isolation portion and the second isolation portion, and a light-transmitting opening being also arranged on the first isolation portion; and a light-emitting layer, arranged on one side of the substrate, the light-emitting layer comprising a plurality of light-emitting units arranged at intervals from each other, the light-emitting units being arranged corresponding to the isolation openings.

[0006] The above-mentioned display panel makes the length dimension of the first definition part in the pixel definition layer greater than the length dimension of the second definition part along the first direction in the second display area, and sets a light-transmitting opening on the first isolation part arranged on the first definition part in the isolation layer. In this way, it can not only meet the high transmittance requirement of the second display area, but also reduce the size occupied by the second definition part in the second display area, which is beneficial to improve the setting density of the light-emitting unit, thereby improving the display effect of the display panel.

[0007] In one embodiment, the light transmittance of the second display area is greater than that of the first display area. Since the first isolation portion is provided on the isolation layer in the second display area, and the light-transmitting opening is provided on the first isolation portion, the light transmittance of the second display area is higher than that of the first display area, which facilitates the arrangement of the required optical elements in the second display area.

[0008] In one embodiment, the first defining portion is provided with the second defining portion on both sides in the first direction; the first isolating portion is provided with the second isolating portion on both sides in the first direction; preferably, the pixel defining layer is continuously provided in the second display area, and the isolating layer is continuously provided in the second display area. By reasonably setting the relative position relationship between the first defining portion and the second defining portion, and the relative position relationship between the first isolating portion and the second isolating portion, the arrangement of the light-emitting unit and the light-transmitting opening meets the use requirements.

[0009] In one embodiment, there are multiple light-transmitting openings, each of which is spaced apart from another along a second direction, the second direction is parallel to the surface of the substrate, and the second direction intersects the first direction. By arranging multiple light-transmitting openings in the second direction, the region along the second direction has a high light transmittance.

[0010] In one embodiment, the size of the light-emitting area of ​​at least part of the light-emitting unit in the second direction is greater than the size of the light-emitting area of ​​the light-emitting unit in the first direction; preferably, the light-emitting area of ​​the light-emitting unit includes two first short sides opposite to each other and two first long sides opposite to each other, the two first short sides are arranged along the first direction, and the two first long sides are arranged along the second direction; preferably, the first display area includes two second short sides opposite to each other and two second long sides opposite to each other, the two second short sides are arranged along the first direction, and the two second long sides are arranged along the second direction. In this design, a light-transmitting opening is arranged on one side of the first long side of the light-emitting area of ​​the light-emitting unit, or a light-transmitting opening is arranged on one side of the second long side of the first display area, so as to improve the coverage of the light-transmitting opening, thereby improving the light transmittance of the second display area.

[0011] In one embodiment, along the first direction, the light-transmitting opening is located between the light-emitting areas of two adjacent light-emitting units; the coverage of the light-transmitting opening in the second direction does not exceed the coverage of the light-emitting area of ​​the light-emitting unit in the second direction. In this way, the light-transmitting opening is arranged between the light-emitting areas of the light-emitting units, which can enable the display panel to maintain a certain structural integrity.

[0012] In one embodiment, the light-emitting unit includes a first electrode, a light-emitting functional part, and a second electrode stacked in sequence, wherein at least a portion of the first electrode is exposed from the pixel opening; along the first direction, the length of the end of the first electrode close to the first isolation part from the center of the pixel opening is less than the length of the end of the first electrode close to the second isolation part from the center of the pixel opening. In this way, the position of the light-emitting unit is reasonably set in the pixel opening, so that the light-emitting unit is relatively closer to the second isolation part and relatively farther away from the first isolation part. Since the length dimension of the first definition part is greater than the length dimension of the second definition part along the first direction, this is conducive to improving the setting density of the light-emitting unit.

[0013] In one embodiment, the substrate includes at least one metal layer and at least one insulating layer, at least one insulating layer is located between the first electrode and the metal layer, the insulating layer is provided with a via, and the first electrode is electrically connected to the metal layer through the via; the via is provided on one side of the light-emitting unit in the second direction, the second direction is parallel to the surface of the substrate, and the second direction intersects with the first direction; preferably, the via is provided on one side of the second definition portion in the second direction; preferably, the light-emitting area of ​​the light-emitting unit includes two first short sides opposite to each other and two first long sides opposite to each other, the two first short sides are arranged along the first direction, and the two first long sides are arranged along the second direction; preferably, the first display area includes two second short sides opposite to each other and two second long sides opposite to each other, the two second short sides are arranged along the first direction, and the two second long sides are arranged along the second direction. By providing a via on the insulating layer, the first electrode of the light-emitting unit can be electrically connected to the metal layer through the via, thereby realizing the line switching function of multiple first electrodes.

[0014] In one embodiment, the first electrode includes a main body and a protruding portion connected to each other, the main body is arranged corresponding to the light-emitting area of ​​the light-emitting unit, the protruding portion protrudes from the light-emitting area of ​​the light-emitting unit along the second direction, and the protruding portion is electrically connected to the metal layer through the via hole. In this arrangement, the protruding portion of the first electrode is electrically connected to the metal layer through the via hole, realizing the wiring function of multiple electrodes without affecting the arrangement of the main body of the first electrode.

[0015] In one embodiment, in the two light-emitting units arranged adjacent to each other along the second direction, the via hole corresponding to one light-emitting unit is close to or away from the via hole corresponding to the other light-emitting unit; preferably, the multiple light-emitting units arranged along the first direction form a light-emitting unit row, and the via holes corresponding to the light-emitting units are all located between two adjacent rows of light-emitting units; preferably, the via holes are not arranged between at least two adjacent rows of light-emitting units; preferably, the multiple via holes are arranged at intervals in the first direction. With such a design, the via holes corresponding to the two light-emitting units arranged adjacent to each other in the second direction are arranged at more concentrated positions, which is convenient for the processing and manufacturing of the via holes.

[0016] In one embodiment, the orthographic projection of the first electrode on the substrate does not overlap with the orthographic projection of the first isolating portion on the substrate; preferably, along the first direction, the second electrode and the first isolating portion are spaced apart from each other; preferably, along the second direction, the second electrode overlaps with the isolating layer. In this design, within a limited space, the orthographic projection of the first electrode of the light-emitting unit on the substrate does not overlap with the orthographic projection of the first isolating portion on the substrate, and the second electrode and the first isolating portion are spaced apart from each other, thereby reducing the difficulty of manufacturing the light-emitting unit.

[0017] In one embodiment, the orthographic projection of the first electrode on the substrate at least partially overlaps with the orthographic projection of the second isolating portion on the substrate; preferably, along the first direction, the second electrode at least partially overlaps with the second isolating portion. With this design, within a limited space, the orthographic projection of the first electrode of the light-emitting unit on the substrate at least partially overlaps with the orthographic projection of the second isolating portion on the substrate, and the second electrode at least partially overlaps with the second isolating portion, so that the light-emitting unit is relatively closer to the second isolating portion, which is conducive to improving the arrangement density of the light-emitting unit.

[0018] In one embodiment, the isolation layer includes an isolation body and a blocking portion which are stacked, the blocking portion being located on the side of the isolation body away from the substrate; the orthographic projection of the isolation body on the substrate being located within the orthographic projection of the blocking portion on the substrate; the second electrode and the isolation body of the second isolation body at least partially overlap; preferably, the maximum distance between the blocking portion of the first isolation body and the first defining portion in the first direction is greater than the maximum distance between the blocking portion of the second isolation body and the second defining portion in the first direction. This arrangement can increase the contact surface area between the second electrode of the light-emitting unit and the isolation structure, and increase the adhesion between the second electrode and the isolation structure.

[0019] In one embodiment, the isolation layer further includes a base portion, the base portion is located on a side of the isolation body close to the substrate; the orthographic projection of the isolation body on the substrate is located within the orthographic projection of the base portion on the substrate. By providing the base portion in the isolation structure, the processing and manufacturing of the light-emitting unit can be further facilitated.

[0020] In one embodiment, the light-transmitting opening passes through the isolating body and the blocking part of the first isolating part. By allowing the light-transmitting opening to pass through the isolating body and the blocking part of the first isolating part, the light shielding of the first isolating part can be reduced, and the light transmittance of the second display area can be improved.

[0021] A second aspect of an embodiment of the present application provides a display panel having a first display area and a second display area, the display panel comprising: a substrate comprising at least one metal layer and at least one insulating layer; a pixel definition layer disposed on one side of the substrate; an isolation layer disposed on a side of the pixel definition layer away from the substrate; and a light-emitting layer disposed on one side of the substrate, the light-emitting layer comprising a plurality of light-emitting units spaced apart from each other, the light-emitting unit comprising a first electrode, a light-emitting functional portion, and a second electrode stacked in sequence; wherein, in the second display area, in a plane parallel to the substrate, the pixel definition layer comprises a first definition portion disposed on a first side of the light-emitting unit, a second definition portion disposed on a second side of the light-emitting unit, and a third definition portion disposed on a third side of the light-emitting unit, along a direction parallel to the surface of the substrate, the size of the first definition portion is larger than the size of the second definition portion and the size of the third definition portion, a light-transmitting opening is disposed on the isolation layer at a position corresponding to the first definition portion, a via hole is disposed on the insulating layer at a position corresponding to the third definition portion, and the first electrode is electrically connected to the metal layer through the via hole.

[0022] The above-mentioned display panel makes the size of the first defined portion arranged on the first side of the light-emitting unit relatively small, sets a light-transmitting opening on the isolation layer at the position corresponding to the second defined portion, and sets a via hole on the insulating layer at the position corresponding to the third defined portion. In this way, it can not only meet the high transmittance requirement of the second display area, but also reduce the size occupied by the second defined portion in the second display area, which is beneficial to increase the setting density of the light-emitting unit, thereby improving the display effect of the display panel.

[0023] A third aspect of the embodiments of the present application provides a display device, including: the display panel as described above.

[0024] The above-mentioned display device makes the length dimension of the first definition part in the pixel definition layer greater than the length dimension of the second definition part along the first direction in the second display area of ​​the display panel, and sets a light-transmitting opening on the first isolation part arranged on the first definition part in the isolation layer. In this way, it can not only meet the high transmittance requirement of the second display area, but also reduce the size occupied by the second definition part in the second display area, which is beneficial to improve the setting density of the light-emitting unit, thereby improving the display effect of the display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 is a schematic diagram of the overall structure of a display panel provided by an embodiment of the present application;

[0027] Figure 2 is a partial enlarged schematic diagram of a second display area in a display panel provided by an embodiment of the present application;

[0028] Figure 3 The display panel provided by one embodiment of the present application is Figure 2 Structural cross-section view at the middle CC position;

[0029] Figure 4 It is a schematic diagram of the structure of a display device provided by an embodiment of the present application.

[0030] Figure Number:

[0031] 10. Display device;

[0032] 100, display panel, 100A, second short side, 100B, second long side;

[0033] 110, substrate, 111, metal layer, 112, insulating layer, 1121, via;

[0034] 120, pixel definition layer, 121, first definition portion, 122, second definition portion, 123, pixel opening;

[0035] 130, isolation layer, 131, first isolation portion, 132, second isolation portion, 133, isolation opening, 134, light-transmitting opening, 135, isolation body, 136, blocking portion, 137, base portion;

[0036] 140, light-emitting layer, 141, light-emitting unit, 141A, first short side, 141B, first long side, 1411, first electrode, 1412, light-emitting functional part, 1413, second electrode;

[0037] AA1, first display area, AA2, second display area;

[0038] x, first direction, y, second direction. DETAILED DESCRIPTION

[0039] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0040] It should also be understood that the term “and / or” used in the specification and appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0041] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0042] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0043] In addition, in the description of the present application specification and the appended claims, the terms "first", "second", "third", etc. are only used to distinguish the descriptions and cannot be understood as indicating or implying relative importance.

[0044] References to "one embodiment" or "some embodiments" etc. described in the specification of this application mean that one or more embodiments of the present application include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways. "Multiple" means two or more.

[0045] With the development of process technology and the increasing demand for the use of display devices, new display product forms such as UDC (Under-Display Camera) technology and FOD (Fingerprint on Display) technology have emerged. Among them, UDC technology hides the camera under the screen, thereby eliminating the "bangs" area or hole area corresponding to the front camera, while FOD technology hides the fingerprint recognition module under the screen, which is conducive to achieving a truly comprehensive display effect.

[0046] In products with UDC technology or FOD technology, it is necessary to set a photosensitive element in the UDC area or the FOD area, which will affect the setting of the light-emitting units in this area, making the setting density of the light-emitting units in this area relatively small, which is not conducive to improving the PPI (Pixels Per Inch, pixel density, indicating the number of pixels per inch) of the display panel, and thus affecting the display effect of the display panel.

[0047] To at least partially address the above issues, see Figures 1 to 3 As shown, the embodiment of the present application provides a display panel 100 , which has a first display area AA1 and a second display area AA2 . The display panel 100 includes a substrate 110 , a pixel definition layer 120 , an isolation layer 130 and a light emitting layer 140 .

[0048] like Figure 1As shown, the first display area AA1 is an area in the display panel 100 for realizing normal screen display, and the second display area AA2 is set on at least one side of the first display area AA1, which can be adjacent to the first display area AA1, and is used to set an under-screen camera, an under-screen fingerprint recognition module or other similar photosensitive elements, etc., and also performs a certain screen display. The specific shape, size, relative position relationship, quantity, arrangement method, etc. of the first display area AA1 and the second display area AA2 can be set according to the actual use requirements of the display panel 100, and are not limited here. It should be noted that the first display area AA1 and the second display area AA2 are divided according to the areas with different display functions in the display panel 100. In the actual display panel 100 product, there may not be a clear boundary line for distinguishing the first display area AA1 and the second display area AA2.

[0049] Specifically, the pixel definition layer 120, the isolation layer 130 and the light emitting layer 140 are respectively arranged on the substrate 110, wherein the substrate 110 is used to support and carry other film layers in the display panel 100. For example, the substrate 110 can be made of materials such as glass (Glass), polyimide (PI, Polyimide), etc. The substrate 110 may include a pixel circuit for controlling the required light emitting unit 141 to emit light at the right time, and may also include a driving circuit for driving the light emitting unit 141 to emit light.

[0050] In order to avoid signal crosstalk between adjacent light-emitting units 141, the display panel 100 includes a pixel definition layer 120, which is disposed on one side of the substrate 110. In the second display area AA2, the pixel definition layer 120 includes a first definition portion 121 and a second definition portion 122 that are adjacent to each other along a first direction x. A pixel opening 123 is provided between the first definition portion 121 and the second definition portion 122. Along the first direction x, the length dimension of the first definition portion 121 is greater than the length dimension of the second definition portion 122, and the first direction x is parallel to the surface of the substrate 110.

[0051] In the second display area AA2, along the first direction x, the first definition portion 121 and the second definition portion 122 are arranged at intervals from each other, and the number of the first definition portion 121 and the second definition portion 122 can be multiple, and the specific shape, size, relative position relationship, number, arrangement method, etc. of the first definition portion 121 and the second definition portion 122 can be set according to the actual use requirements of the display panel 100, and are not limited here. The pixel opening 123 between the first definition portion 121 and the second definition portion 122 is used to set the light-emitting unit 141.

[0052] like Figure 2As shown, in the embodiment of the present application, along the first direction x, the length dimension of the first defined portion 121 is greater than the length dimension of the second defined portion 122. Thus, since the length dimension of the first defined portion 121 is relatively large, it is convenient to set a photosensitive element under the first defined portion 121. Since the length dimension of the second defined portion 122 is relatively small, the space occupied by the second defined portion 122 can be reduced, and the setting density of the light-emitting unit 141 can be increased.

[0053] It should be noted that the pixel definition layer 120 can be made of an inorganic material with high light transmittance, so that the photosensitive element arranged under the pixel definition layer 120 can normally sense the light passing through the pixel definition layer 120 without affecting its normal use.

[0054] The isolation layer 130 is arranged on the side of the pixel definition layer 120 away from the substrate 110. In the second display area AA2, the isolation layer 130 includes a first isolation portion 131 and a second isolation portion 132 arranged adjacent to each other along the first direction x. The first isolation portion 131 is arranged on the first definition portion 121, and the second isolation portion 132 is arranged on the second definition portion 122. An isolation opening 133 is arranged between the first isolation portion 131 and the second isolation portion 132, and a light-transmitting opening 134 is also arranged on the first isolation portion 131.

[0055] The first isolation portion 131 and the second isolation portion 132 in the isolation layer 130 can enclose an isolation opening 133 for at least partially accommodating the light-emitting unit 141, so as to complete the arrangement and molding of the light-emitting unit 141 without the aid of a mask. The specific structural form of the first isolation portion 131 and the second isolation portion 132 is not limited, as long as it can play the role of separating the two light-emitting units 141. In addition, the first isolation portion 131 is arranged on the first definition portion 121 of the pixel definition layer 120, and the second isolation portion 132 is arranged on the second definition portion 122 of the pixel definition layer 120. The first isolation portion 131 is also provided with a light-transmitting opening 134, so that external light can pass through the light-transmitting opening 134 and irradiate the photosensitive element below the first definition portion 121.

[0056] The composition and preparation of the isolation layer 130 are described in patents CN118251982A, 202410864269.8, PCT / CN2024 / 098407, PCT / CN2024 / 102783, PCT / CN2024 / 098217, PCT / CN The present invention is further described in 2024 / 099419, PCT / CN2024 / 099072, CN117979755A, CN117998900A, CN117062489A, CN117580403A, CN116583155A, CN116669477A, ​​CN117396039A, CN116669480A, CN116600606A, and CN117500332A for reference.

[0057] The light-emitting layer 140 is disposed on one side of the substrate 110, and the light-emitting layer 140 includes a plurality of light-emitting units 141 spaced apart from each other, and the light-emitting units 141 are disposed corresponding to the isolation openings 133. Exemplarily, the light-emitting unit 141 may be a red light-emitting unit for emitting red light, a green light-emitting unit for emitting green light, a blue light-emitting unit for emitting blue light, or a white light-emitting unit for emitting white light, etc. The number of different types of light-emitting units 141, the arrangement of the plurality of light-emitting units 141, the spacing between two adjacent light-emitting units 141, etc. may be flexibly arranged, and are not limited here. The light-emitting unit 141 can emit light under the driving action of the driving circuit, and specifically, the light-emitting material in the light-emitting unit 141 can emit light under the action of the electric field.

[0058] The display panel 100 of the embodiment of the present application makes the length dimension of the first definition portion 121 in the pixel definition layer 120 greater than the length dimension of the second definition portion 122 along the first direction x in the second display area AA2, and sets a light-transmitting opening 134 on the first isolation portion 131 arranged on the first definition portion 121 in the isolation layer 130. In this way, it can not only meet the high transmittance requirement of the second display area AA2, but also reduce the size occupied by the second definition portion 122 in the second display area AA2, which is beneficial to increase the setting density of the light-emitting unit 141, thereby improving the display effect of the display panel 100.

[0059] In order to facilitate the installation of an under-screen camera, an under-screen fingerprint recognition module or other similar photosensitive elements in the second display area AA2, in some embodiments, the light transmittance of the second display area AA2 is optionally greater than the light transmittance of the first display area AA1. Since the first isolation portion 131 is provided on the isolation layer 130 in the second display area AA2, and the light-transmitting opening 134 is provided on the first isolation portion 131, the light transmittance of the second display area AA2 is higher than that of the first display area AA1, which facilitates the installation of the required optical elements in the second display area AA2.

[0060] The specific shape, size, relative position relationship, quantity, arrangement method, etc. of the first definition part 121 and the second definition part 122 can be set according to the actual use requirements of the display panel 100. Since the light-transmitting opening 134 is arranged on the first isolation part 131, according to the number and position setting requirements of the light-transmitting openings 134, in some embodiments, optionally, the first definition part 121 is provided with second definition parts 122 on both sides in the first direction x; the first isolation part 131 is provided with second isolation parts 132 on both sides in the first direction x. By reasonably setting the relative position relationship between the first definition part 121 and the second definition part 122, and the relative position relationship between the first isolation part 131 and the second isolation part 132, the arrangement method of the light-emitting unit 141 and the light-transmitting opening 134 meets the use requirements.

[0061] In the pixel definition layer 120, a pixel opening 123 is provided between the first definition portion 121 and the second definition portion 122, but this does not mean that the first definition portion 121 and the second definition portion 122 are completely disconnected. Figure 2 As shown, the first definition portion 121 and the second definition portion 122 are connected together through structures at other positions in the pixel definition layer 120 , that is, the pixel definition layer 120 is continuously disposed in the second display area AA22 .

[0062] Similarly, in the isolation layer 130, an isolation opening 133 is provided between the first isolation portion 131 and the second isolation portion 132, but this does not mean that the first isolation portion 131 and the second isolation portion 132 are completely disconnected. Figure 2 As shown, the first isolation portion 131 and the second isolation portion 132 are connected together through structures at other positions in the isolation layer 130, that is, the isolation layer 130 is continuously disposed in the second display area AA2.

[0063] According to different requirements for light transmittance, the number, shape, size, arrangement, etc. of the light-transmitting openings 134 can be adjusted specifically, such as Figure 2 As shown, in some embodiments, optionally, there are multiple light-transmitting openings 134, and each light-transmitting opening 134 is arranged at intervals along the second direction y, the second direction y is parallel to the surface of the substrate 110, and the second direction y intersects the first direction x. By arranging multiple light-transmitting openings 134 in the second direction y, the area in the display panel 100 along the second direction y has a higher light transmittance.

[0064] Please continue reading Figure 2In some embodiments, optionally, the size of the light-emitting area of ​​at least part of the light-emitting unit 141 in the second direction y is greater than the size of the light-emitting area of ​​the light-emitting unit 141 in the first direction x. The light-emitting unit 141 has a light-emitting area, and the shape of the light-emitting area can be a regular shape, such as a polygon, an ellipse, etc., or an irregular shape. The size of the light-emitting area in the first direction x is relatively small, and the size in the second direction y is relatively large.

[0065] exist Figure 2 In the illustrated embodiment, the light-emitting area of ​​the light-emitting unit 141 is in the shape of a quadrilateral. Preferably, the light-emitting area of ​​the light-emitting unit 141 includes two first short sides opposite to each other and two first long sides opposite to each other. The two first short sides are connected end to end with the two first long sides to form a closed light-emitting area. The two first short sides are arranged along the first direction x, and the two first long sides are arranged along the second direction y.

[0066] The shape of the first display area AA1 is also a quadrilateral. Further, the first display area AA1 includes two second short sides opposite to each other and two second long sides opposite to each other. The two second short sides are connected end to end with the two second long sides to form a closed display area. The two second short sides are arranged along the first direction x, and the two second long sides are arranged along the second direction y.

[0067] Such a design, that is, a light-transmitting opening 134 is provided on one side of the first long side of the light-emitting area of ​​the light-emitting unit 141, or a light-transmitting opening 134 is provided on one side of the second long side of the first display area AA1, so as to improve the coverage of the light-transmitting opening 134, thereby improving the transmittance of the second display area AA2.

[0068] To facilitate the processing and manufacturing of the light-transmitting opening 134, in some embodiments, optionally, along the first direction x, the light-transmitting opening 134 is located between the light-emitting areas of two adjacent light-emitting units 141, and the coverage range of the light-transmitting opening 134 in the second direction y does not exceed the coverage range of the light-emitting area of ​​the light-emitting unit 141 in the second direction y.

[0069] That is to say, the boundary of the light-transmitting opening 134 in the second direction y does not exceed the light-emitting area of ​​the light-emitting unit 141, and no light-transmitting opening 134 is provided between two adjacent light-emitting units 141 along the second direction y. In this way, the light-transmitting opening 134 is provided between the light-emitting areas of the light-emitting units 141, which can enable the display panel 100 to maintain a certain structural integrity.

[0070] The light-emitting unit 141 can emit light under the driving action of the driving circuit. In some embodiments, optionally, the light-emitting unit 141 includes a first electrode 1411, a light-emitting functional part 1412 and a second electrode 1413 which are stacked in sequence. The first electrode 1411 is at least partially exposed by the pixel opening 123. The first electrode 1411 and the second electrode 1413 in the light-emitting unit 141 are opposite to each other and spaced apart. An electric field can be generated under the action of the first electrode 1411 and the second electrode 1413, so that the light-emitting functional part 1412 located between the first electrode 1411 and the second electrode 1413 in the light-emitting unit 141 can emit light under the driving of the electric field.

[0071] like Figure 3 As shown, along the first direction x, the length of the end of the first electrode 1411 close to the first isolation portion 131 from the center of the pixel opening 123 is less than the length of the end of the first electrode 1411 close to the second isolation portion 132 from the center of the pixel opening 123. That is, the end of the first electrode 1411 close to the first isolation portion 131 is relatively far from the center of the pixel opening 123, and the end of the first electrode 1411 close to the second isolation portion 132 is relatively close to the center of the pixel opening 123. The dimension of the first electrode 1411 extending from the inside of the pixel opening 123 to the direction close to the first isolation portion 131 is larger, and the dimension of the first electrode 1411 extending from the inside of the pixel opening 123 to the direction close to the second isolation portion 132 is smaller.

[0072] In this way, the position of the light-emitting unit 141 is reasonably set within the pixel opening 123, so that the light-emitting unit 141 is relatively closer to the second isolation portion 132 and relatively farther away from the first isolation portion 131. Since the length dimension of the first definition portion 121 is greater than the length dimension of the second definition portion 122 along the first direction x, this is beneficial to improve the setting density of the light-emitting unit 141.

[0073] In some embodiments, optionally, the substrate 110 includes at least one metal layer 111 and at least one insulating layer 112, the at least one insulating layer 112 is located between the first electrode 1411 and the metal layer 111, the insulating layer 112 is provided with a via hole 1121, and the first electrode 1411 is electrically connected to the metal layer 111 through the via hole 1121. By providing the via hole 1121 on the insulating layer 112, the first electrode 1411 of the light-emitting unit 141 can be electrically connected to the metal layer 111 through the via hole 1121, thereby realizing the line switching function of multiple first electrodes 1411.

[0074] The via holes 1121 are disposed on the insulating layer 112 between the first electrode 1411 and the metal layer 111, and the number and position of the via holes 1121 are not limited. In some embodiments, the via holes 1121 are disposed on one side of the light-emitting unit 141 in the second direction y, the second direction y is parallel to the surface of the substrate 110, and the second direction y intersects with the first direction x. Since the light-transmitting opening 134 is disposed between the light-emitting areas of two adjacent light-emitting units 141 along the first direction x, and the via holes 1121 are disposed on one side of the light-emitting unit 141 in the second direction y, the light-transmitting opening 134 and the via holes 1121 do not interfere with each other and can be used normally. Furthermore, the via holes 1121 are disposed on one side of the second defining portion 122 in the second direction y.

[0075] The first electrode 1411 of the light-emitting unit 141 is electrically connected to the metal layer 111 through the via 1121, and the specific connection position is not limited. In some embodiments, optionally, the first electrode 1411 includes a main body and a protruding portion connected to each other, and the main body is arranged corresponding to the light-emitting area of ​​the light-emitting unit 141, and the protruding portion protrudes from the light-emitting area of ​​the light-emitting unit 141 along the second direction y, and the protruding portion is electrically connected to the metal layer 111 through the via 1121.

[0076] In this configuration, the protruding portion of the first electrode 1411 is electrically connected to the metal layer 111 through the via 1121 , thereby realizing the wiring function of the plurality of first electrodes 1411 without affecting the configuration of the main body of the first electrode 1411 .

[0077] The arrangement of the via holes 1121 corresponding to the plurality of light emitting units 141 is not limited. Figure 2 In some embodiments, optionally, in two light emitting units 141 disposed adjacent to each other along the second direction y, a via hole 1121 corresponding to one light emitting unit 141 is close to or away from a via hole 1121 corresponding to another light emitting unit 141 .

[0078] That is to say, along the second direction y, the via hole 1121 corresponding to the light-emitting unit 141 located above is arranged below the light-emitting unit 141, and the via hole 1121 corresponding to the light-emitting unit 141 located below is arranged above the light-emitting unit 141, and the two via holes 1121 are arranged facing each other and close to each other. Or along the second direction y, the via hole 1121 corresponding to the light-emitting unit 141 located above is arranged above the light-emitting unit 141, and the via hole 1121 corresponding to the light-emitting unit 141 located below is arranged below the light-emitting unit 141, and the two via holes 1121 are arranged back to back and away from each other. With such a design, the via holes 1121 corresponding to the two light-emitting units 141 located adjacent to each other in the second direction y are arranged more centrally, which facilitates the processing and manufacturing of the via holes 1121.

[0079] Furthermore, the plurality of light emitting units 141 arranged along the first direction x form a light emitting unit row, and the via holes 1121 corresponding to the light emitting units 141 are all located between two adjacent rows of light emitting units. The via holes 1121 are arranged on one side of the second defining portion 122 in the second direction y, and the plurality of via holes 1121 are all located between two adjacent rows of light emitting units, so that the via holes 1121 are arranged more centrally.

[0080] Based on the above embodiment, not every two adjacent rows of light emitting units are provided with via holes 1121. Figure 2 As shown, at least no via holes 1121 are arranged between two adjacent rows of light emitting units. This is also conducive to the centralized arrangement of the via holes 1121.

[0081] In order not to affect the normal function of via 1121, please continue to refer to Figure 2 Preferably, the plurality of via holes 1121 are arranged at intervals in the first direction x. That is, the via holes 1121 corresponding to different light emitting units 141 are spaced apart from each other and do not interfere with each other.

[0082] Please continue reading Figure 3 On the basis of the above embodiment, optionally, the orthographic projection of the first electrode 1411 on the substrate 110 and the orthographic projection of the first isolation portion 131 on the substrate 110 do not overlap each other. Further, along the first direction x, the second electrode 1413 and the first isolation portion 131 are arranged spaced apart from each other. Preferably, along the second direction y, the second electrode 1413 overlaps the isolation layer 130.

[0083] With this design, within a limited space, the orthographic projection of the first electrode 1411 of the light-emitting unit 141 on the substrate 110 and the orthographic projection of the first isolation portion 131 on the substrate 110 do not overlap each other, and the second electrode 1413 and the first isolation portion 131 are spaced apart from each other, thereby reducing the difficulty of manufacturing the light-emitting unit 141.

[0084] At the same time, Figure 3 As shown, in some embodiments, optionally, the orthographic projection of the first electrode 1411 on the substrate 110 at least partially overlaps with the orthographic projection of the second isolation portion 132 on the substrate 110. Further, along the first direction x, the second electrode 1413 at least partially overlaps with the second isolation portion 132.

[0085] With such a design, within a limited space, the orthographic projection of the first electrode 1411 of the light-emitting unit 141 on the substrate 110 is at least partially overlapped with the orthographic projection of the second isolation portion 132 on the substrate 110, and the second electrode 1413 is at least partially overlapped with the second isolation portion 132. In this way, the light-emitting unit 141 is relatively closer to the second isolation portion 132, which is beneficial to improving the setting density of the light-emitting unit 141.

[0086] The specific structural form of the isolation structure is not limited, such as Figure 3 As shown, in some embodiments, optionally, the isolation layer 130 includes an isolation body 135 and a blocking portion 136 which are stacked, the blocking portion 136 being located on the side of the isolation body 135 facing away from the substrate 110; the orthographic projection of the isolation body 135 on the substrate 110 is located within the orthographic projection of the blocking portion 136 on the substrate 110; and the second electrode 1413 at least partially overlaps the isolation body 135 of the second isolation portion 132.

[0087] That is to say, the isolation structure includes a relatively independent isolation body 135 and a blocking portion 136, wherein the isolation body 135 is located on the pixel defining layer, and the blocking portion 136 is located on the side of the isolation body 135 away from the substrate 110. The orthographic projection of the isolation body 135 on the substrate 110 is located within the orthographic projection of the blocking portion 136 on the substrate 110, that is, the area covered by the orthographic projection of the blocking portion 136 on the substrate 110 is relatively large, while the area covered by the orthographic projection of the isolation body 135 on the substrate 110 is relatively small, so that the orthographic projection of the blocking portion 136 on the substrate 110 can cover the orthographic projection of the isolation body 135 on the substrate 110. The cross-sectional shapes of the isolation body 135 and the blocking portion 136 can be regular shapes, such as rectangles, triangles, etc., or irregular shapes. Figure 3 In the embodiment shown, the cross-sectional shapes of the isolating body 135 and the blocking portion 136 are both trapezoidal. Such a design can facilitate the processing and forming of the isolating layer 130.

[0088] This arrangement can increase the contact area between the second electrode 1413 of the light-emitting unit 141 and the isolation structure, thereby increasing the adhesion between the second electrode 1413 and the isolation structure.

[0089] In some embodiments, optionally, a maximum distance between the blocking portion 136 of the first isolation portion 131 and the first definition portion 121 in the first direction x is greater than a maximum distance between the blocking portion of the second isolation portion 132 and the second definition portion 122 in the first direction x.

[0090] The first isolation part 131 is disposed on the first definition part 121, and the maximum distance between the blocking part 136 of the first isolation part 131 and the first definition part 121 refers to the distance between one side edge of the blocking part 136 of the first isolation part 131 and the first definition part 121 on the same side. Similarly, the maximum distance between the blocking part of the second isolation part 132 and the second definition part 122 refers to the distance between one side edge of the blocking part 136 of the second isolation part 132 and the second definition part 122 on the same side. In this way, the light-emitting unit 141 corresponding to the isolation opening 133 between the first isolation part 131 and the second isolation part 132 can at least partially overlap with the second isolation part 132, but not overlap with the first isolation part 131.

[0091] In some embodiments, optionally, the isolation layer 130 further includes a base portion 137 , which is located on a side of the isolation body 135 close to the substrate 110 ; the orthographic projection of the isolation body 135 on the substrate 110 is located within the orthographic projection of the base portion 137 on the substrate 110 .

[0092] That is, the area covered by the orthographic projection of the base portion 137 on the substrate 110 is relatively large, while the area covered by the orthographic projection of the isolator 135 on the substrate 110 is relatively small, so that the orthographic projection of the base portion 137 on the substrate 110 can cover the orthographic projection of the isolator 135 on the substrate 110. In this way, the base portion 137, the isolator 135 and the blocking portion 136 can form an undercut structure, which is conducive to the overlap of the second electrode 1413 of the light-emitting unit 141 with the side wall of the isolation structure, and also facilitates the processing and forming of the isolation structure. By providing the base portion 137 in the isolation structure, the processing and forming of the light-emitting unit 141 can be further facilitated.

[0093] In some embodiments, the light-transmitting opening 134 optionally passes through the isolating body 135 and the blocking part 136 of the first isolating part 131. By allowing the light-transmitting opening 134 to pass through the isolating body 135 and the blocking part 136 of the first isolating part 131, the light shielding of the first isolating part 131 can be reduced, and the light transmittance of the second display area AA2 can be improved.

[0094] Please continue reading Figures 1 to 3 Based on the same inventive concept, an embodiment of the present application further provides a display panel 100 having a first display area AA1 and a second display area AA2. The display panel 100 includes a substrate 110, a pixel definition layer 120, an isolation layer 130 and a light-emitting layer 140.

[0095] The substrate 110 includes at least one metal layer 111 and at least one insulating layer 112. The pixel definition layer 120 is disposed on one side of the substrate 110. The isolation layer 130 is disposed on the side of the pixel definition layer 120 away from the substrate 110. The light-emitting layer 140 is disposed on one side of the substrate 110, and the light-emitting layer 140 includes a plurality of light-emitting units 141 spaced apart from each other, and the light-emitting unit 141 includes a first electrode 1411, a light-emitting functional unit 1412, and a second electrode 1413 stacked in sequence.

[0096] Among them, in the second display area AA2, in a plane parallel to the substrate 110, the pixel definition layer 120 includes a first definition portion 121 arranged on a first side of the light-emitting unit 141, a second definition portion 122 arranged on a second side of the light-emitting unit 141, and a third definition portion arranged on a third side of the light-emitting unit 141, along a direction parallel to the surface of the substrate 110, the size of the first definition portion 121 is larger than the size of the second definition portion 122 and the size of the third definition portion, a light-transmitting opening 134 is provided on the isolation layer 130 at a position corresponding to the first definition portion 121, a via hole 1121 is provided on the insulating layer 112 at a position corresponding to the third definition portion, and the first electrode 1411 is electrically connected to the metal layer 111 through the via hole 1121.

[0097] The display panel of the embodiment of the present application makes the size of the first definition portion 121 arranged on the first side of the light-emitting unit 141 relatively large, sets a light-transmitting opening 134 on the isolation layer 130 at a position corresponding to the first definition portion 121, and sets a via 1121 on the insulating layer 112 at a position corresponding to the third definition portion. In this way, it can not only meet the high light transmittance requirement of the second display area AA2, but also reduce the size occupied by the second definition portion 122 in the second display area AA2, which is beneficial to increase the setting density of the light-emitting unit 141, thereby improving the display effect of the display panel 100.

[0098] like Figure 4 As shown, an embodiment of the present application further provides a display device 10, which includes a display panel 100 as in any one of the above embodiments.

[0099] The display panel 100 disclosed in the embodiment of the present application is applied to the display device 10 to provide the function of displaying a picture. The display device 10 can be any product or component with a display function, including but not limited to a mobile phone, a tablet computer, a laptop computer, an e-reader, a wearable device, a remote control, a television, a desktop computer, a vehicle-mounted device, etc. Since the display panel 100 in any of the above embodiments is adopted, it can not only meet the high light transmittance requirement of the second display area AA2, but also reduce the size occupied by the second defined portion 122 in the second display area AA2, which is conducive to increasing the arrangement density of the light-emitting unit 141, thereby improving the display effect of the display panel 100.

[0100] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0101] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A display panel having a first display area and a second display area, characterized in that: The display panel comprises: substrate; a pixel definition layer, disposed on one side of the substrate, wherein in the second display area, the pixel definition layer comprises a first definition portion and a second definition portion disposed adjacent to each other along a first direction, a pixel opening is disposed between the first definition portion and the second definition portion, and along the first direction, a length dimension of the first definition portion is greater than a length dimension of the second definition portion, and the first direction is parallel to the surface of the substrate; an isolation layer, disposed on a side of the pixel definition layer away from the substrate, wherein in the second display area, the isolation layer comprises a first isolation portion and a second isolation portion disposed adjacent to each other along the first direction, the first isolation portion being disposed on the first definition portion, the second isolation portion being disposed on the second definition portion, an isolation opening being disposed between the first isolation portion and the second isolation portion, and a light-transmitting opening being further disposed on the first isolation portion; and The light-emitting layer is arranged on one side of the substrate, and the light-emitting layer includes a plurality of light-emitting units arranged at intervals from each other, and the light-emitting units are arranged corresponding to the isolation openings.

2. The display panel according to claim 1, wherein: The light transmittance of the second display area is greater than the light transmittance of the first display area.

3. The display panel according to claim 1, wherein: The second defining parts are respectively provided on both sides of the first defining part in the first direction; The second isolation parts are respectively provided on both sides of the first isolation part in the first direction; Preferably, the pixel definition layer is continuously disposed in the second display area, and the isolation layer is continuously disposed in the second display area.

4. The display panel according to claim 1, wherein: There are multiple light-transmitting openings, and the light-transmitting openings are spaced apart from each other along a second direction. The second direction is parallel to the surface of the substrate, and the second direction intersects with the first direction.

5. The display panel according to claim 4, wherein: The size of the light-emitting area of ​​at least part of the light-emitting units in the second direction is greater than the size of the light-emitting area of ​​the light-emitting units in the first direction; Preferably, the light-emitting area of ​​the light-emitting unit includes two first short sides opposite to each other and two first long sides opposite to each other, the two first short sides are arranged along the first direction, and the two first long sides are arranged along the second direction; Preferably, the first display area includes two second short sides opposite to each other and two second long sides opposite to each other, the two second short sides are arranged along the first direction, and the two second long sides are arranged along the second direction.

6. The display panel according to claim 4, wherein: Along the first direction, the light-transmitting opening is located between the light-emitting areas of two adjacent light-emitting units; The coverage of the light-transmitting opening in the second direction does not exceed the coverage of the light-emitting area of ​​the light-emitting unit in the second direction.

7. The display panel according to claim 1, wherein: The light-emitting unit includes a first electrode, a light-emitting functional portion, and a second electrode which are sequentially stacked, and the first electrode is at least partially exposed by the pixel opening; Along the first direction, a length from one end of the first electrode close to the first isolation portion to the center of the pixel opening is smaller than a length from one end of the first electrode close to the second isolation portion to the center of the pixel opening.

8. The display panel according to claim 7, wherein: The substrate comprises at least one metal layer and at least one insulating layer, wherein the at least one insulating layer is located between the first electrode and the metal layer, the insulating layer is provided with a via hole, and the first electrode is electrically connected to the metal layer through the via hole; The via hole is provided at one side of the light emitting unit in a second direction, the second direction is parallel to the surface of the substrate, and the second direction intersects with the first direction; Preferably, the via hole is provided on one side of the second defining portion in the second direction; Preferably, the light-emitting area of ​​the light-emitting unit includes two first short sides opposite to each other and two first long sides opposite to each other, the two first short sides are arranged along the first direction, and the two first long sides are arranged along the second direction; Preferably, the first display area includes two second short sides opposite to each other and two second long sides opposite to each other, the two second short sides are arranged along the first direction, and the two second long sides are arranged along the second direction; Preferably, the first electrode includes a main portion and a protruding portion connected to each other, the main portion is arranged corresponding to the light-emitting area of ​​the light-emitting unit, the protruding portion protrudes from the light-emitting area of ​​the light-emitting unit along the second direction, and the protruding portion is electrically connected to the metal layer through the via hole.

9. The display panel according to claim 8, wherein: In two light-emitting units disposed adjacent to each other along the second direction, the via hole corresponding to one light-emitting unit is close to or away from the via hole corresponding to the other light-emitting unit; Preferably, the plurality of light-emitting units arranged along the first direction form a light-emitting unit row, and the via holes corresponding to the light-emitting units are all located between two adjacent rows of light-emitting units; Preferably, the via holes are not arranged between at least two adjacent rows of the light emitting units; Preferably, the plurality of via holes are spaced apart in the first direction.

10. The display panel according to claim 7, wherein: The orthographic projection of the first electrode on the substrate and the orthographic projection of the first isolation portion on the substrate do not overlap each other; Preferably, along the first direction, the second electrode and the first isolation portion are spaced apart from each other; Preferably, along the second direction, the second electrode overlaps the isolation layer.

11. The display panel according to claim 7, wherein: The orthographic projection of the first electrode on the substrate at least partially overlaps with the orthographic projection of the second isolation portion on the substrate; Preferably, along the first direction, the second electrode at least partially overlaps the second isolation portion.

12. The display panel according to claim 11, wherein: The isolation layer comprises an isolation body and a blocking portion which are stacked, and the blocking portion is located on a side of the isolation body which is away from the substrate; The orthographic projection of the isolating body on the substrate is located within the orthographic projection of the blocking portion on the substrate; The second electrode at least partially overlaps the separator of the second separator; Preferably, a maximum distance between the blocking portion of the first isolation portion and the first defining portion in the first direction is greater than a maximum distance between the blocking portion of the second isolation portion and the second defining portion in the first direction.

13. The display panel according to claim 12, wherein: The isolation layer further comprises a base portion, and the base portion is located on a side of the isolation body close to the substrate; The orthographic projection of the insulator on the substrate is located within the orthographic projection of the base portion on the substrate.

14. The display panel according to claim 12, wherein: The light-transmitting opening penetrates the isolation body and the blocking portion of the first isolation portion.

15. A display panel having a first display area and a second display area, characterized in that: The display panel comprises: A substrate comprising at least one metal layer and at least one insulating layer; A pixel definition layer is disposed on one side of the substrate; an isolation layer, disposed on a side of the pixel definition layer away from the substrate; and A light-emitting layer is disposed on one side of the substrate, the light-emitting layer includes a plurality of light-emitting units spaced apart from each other, the light-emitting units include a first electrode, a light-emitting functional portion, and a second electrode stacked in sequence; Among them, in the second display area, in a plane parallel to the substrate, the pixel definition layer includes a first definition portion arranged on the first side of the light-emitting unit, a second definition portion arranged on the second side of the light-emitting unit, and a third definition portion arranged on the third side of the light-emitting unit, along a direction parallel to the surface of the substrate, the size of the first definition portion is larger than the size of the second definition portion and the size of the third definition portion, the isolation layer is provided with a light-transmitting opening at a position corresponding to the first definition portion, the insulating layer is provided with a via hole at a position corresponding to the third definition portion, and the first electrode is electrically connected to the metal layer through the via hole.

16. A display device, characterized in that: include: A display panel as claimed in any one of claims 1 to 15.

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