WO2021143523A1 - 阵列基板、其制作方法、显示面板及显示装置 - Google Patents
阵列基板、其制作方法、显示面板及显示装置 Download PDFInfo
- Publication number
- WO2021143523A1 WO2021143523A1 PCT/CN2020/141035 CN2020141035W WO2021143523A1 WO 2021143523 A1 WO2021143523 A1 WO 2021143523A1 CN 2020141035 W CN2020141035 W CN 2020141035W WO 2021143523 A1 WO2021143523 A1 WO 2021143523A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- array substrate
- base substrate
- pixel defining
- insulating
- electrode
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 159
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 6
- 125000005375 organosiloxane group Chemical group 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 230000003075 superhydrophobic effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 50
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 238000007641 inkjet printing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 150000003384 small molecules Chemical class 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
- H10K71/135—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing using ink-jet printing
Definitions
- the present disclosure relates to the field of display technology, and in particular to an array substrate, a manufacturing method thereof, a display panel, and a display device.
- Organic electroluminescence display is to achieve the purpose of light emission and display by driving an organic semiconductor thin film with electric current.
- the light-emitting layer of the organic electroluminescent device can be formed by inkjet printing, which can be applied to macromolecular light-emitting materials and small-molecule light-emitting materials, and has low equipment cost, and is suitable for large-scale production.
- an array substrate provided by an embodiment of the present disclosure includes: a base substrate, a drive circuit structure located on the base substrate, and a side of the drive circuit structure that is located in turn away from the base substrate A planarization layer and multiple electrode structures; also including:
- An insulating structure the insulating structure is located in a gap area between adjacent electrode structures, and the thickness of the insulating structure is not less than the thickness of the electrode structure;
- the pixel defining structure is located on a side of the insulating structure away from the base substrate, and the orthographic projection of the pixel defining structure on the base substrate at least completely covers the insulating structure.
- the pixel defining structure includes an opening area, and the opening area is arranged in a one-to-one correspondence with the electrode structure;
- the opening area exposes at least a part of the electrode structure.
- the shape of the electrode structure includes a rectangular portion, and the opening area of the pixel defining structure is an ellipse or a rectangle with rounded corners;
- the opening area is orthographically projected on the base substrate in the orthographic projection of the electrode structure on the base substrate.
- the thickness of the insulating structure is greater than the thickness of the electrode structure
- the pixel defining structure includes: a first structure unit and a second structure unit, the first structure unit extending in the row direction and sequentially arranged in the column direction, and the second structure unit extending in the column direction and sequentially arranged in the row direction arrangement;
- Each of the opening regions is surrounded by two parts of the first structural unit and two parts of the second structural unit, and the central axis of the part of the first structural unit and the part of the second structural unit Connected to form a closed pattern surrounding the opening area;
- the distance between the upper surface of the pixel defining structure and the base substrate sequentially increases.
- the shape of the insulating structure is a trapezoid, and an area of a surface close to the base substrate is larger than an area of a surface away from the base substrate.
- the cross-sectional shape of the pixel defining structure is semicircular.
- the base substrate includes: a display area and a non-display area surrounding the display area;
- the non-display area includes an alignment structure, and the alignment structure is configured to perform alignment when forming the electrode structure;
- the alignment structure and the insulating structure are provided in the same layer and the same material.
- the hydrophilicity of the planarization layer, the hydrophilicity of the insulating structure, and the hydrophilicity of the pixel defining structure decrease in order.
- the material of the planarization layer is an organosiloxane resin material
- the material of the pixel defining structure is a super-hydrophobic acrylic material.
- the electrode structure is a reflective metal electrode.
- the material of the insulating structure is a light-shielding material.
- the thickness of the electrode structure is 50 nm to 200 nm;
- the thickness of the insulating structure is 500 nm to 1000 nm.
- the embodiments of the present disclosure also provide a manufacturing method of the array substrate, including:
- the thickness of the insulating structure is greater than the thickness of the electrode structure
- a pixel defining structure is formed on the side of the insulating structure away from the base substrate, so that the orthographic projection of the pixel defining structure on the base substrate covers the insulating structure and the edge of the electrode structure on the substrate Orthographic projection on the substrate.
- the method when the insulating structure is formed in the gap region between the adjacent electrode structures, the method further includes:
- the alignment structure is formed in the non-display area of the base substrate through the same process.
- embodiments of the present disclosure also provide a display panel, including the array substrate provided in any one of the embodiments of the first aspect.
- the embodiments of the present disclosure also provide a display device, including the display panel provided in the embodiment of the third aspect.
- FIG. 1 is a schematic diagram of a planar structure of a related art array substrate
- Figure 2 is a schematic cross-sectional structure view of Figure 1 along the A-A1 direction;
- FIG. 3 is one of the schematic structural diagrams of the array substrate provided by the embodiments of the disclosure.
- 6a to 6c are structural schematic diagrams of the formation process of the array substrate provided by the embodiments of the disclosure.
- a vacuum evaporation technique can be used, that is, a vacuum heating method is used in the presence of a mask to evaporate the light-emitting material and form a film in the pixel area.
- This technology has the advantages of good film uniformity and no need for solvents, but it has disadvantages such as low material utilization, only suitable for small molecule light-emitting materials, large equipment investment, and unsuitable for large-size products.
- the inkjet printing technology of the solution process can also be used to accurately drop the luminescent material solution into the pixel pits, and the solvent volatilizes to form a film.
- inkjet printing is suitable for large-molecule luminescent materials and small-molecule luminescent materials, with high material utilization, low equipment costs, high productivity, and easier production of large-scale and large-scale products.
- the drive circuit 04 is away from the substrate.
- a flattening layer 05 is formed on the side of the substrate 01 to flatten the gap formed by the driving circuit 04, and then an electrode structure 02 and a pixel defining structure 03 are sequentially formed on the flattening layer 05.
- the pixel defining structure 03 formed on the side of the electrode structure 02 away from the base substrate 01 has a recess a in the gap area.
- embodiments of the present disclosure provide an array substrate, a manufacturing method thereof, a display panel, and a display device.
- an array substrate, a manufacturing method thereof, a display panel and a display device provided by the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present disclosure, and are not used to limit the present disclosure. And if there is no conflict, the embodiments in the application and the features in the embodiments can be combined with each other.
- an embodiment of the present disclosure provides an array substrate.
- the array substrate includes: a base substrate 1, a drive circuit structure 2 located on the base substrate 1, and a drive circuit in turn.
- the insulating structure 5 is located in the gap area between adjacent electrode structures 4, and the thickness of the insulating structure 5 is not less than the thickness of the electrode structure 4;
- the pixel defining structure 6 is located on the side of the insulating structure 5 away from the base substrate 1, and the orthographic projection of the pixel defining structure 6 on the base substrate 1 at least completely covers the insulating structure 5.
- the insulating structure is provided, and the thickness of the insulating structure is not less than the thickness of the electrode structure, so that when the pixel defining structure is formed, no recess is formed in the gap area. , The ink droplets forming the light-emitting layer cannot be stored, thereby alleviating the light leakage problem of the pixel.
- the orthographic projection of the pixel defining structure on the base substrate at least covers the insulating structure.
- the expression is that the pixel defining structure can only completely cover the insulating structure, and the pixel defining structure is also It is possible to cover part of the electrode structure while covering the insulating structure, so that the part of the electrode structure that is not covered is exposed, and the light-emitting layer is formed on the part of the electrode structure that is exposed.
- the details can be selected according to the actual situation, and there is no specific limitation here.
- the thickness of the insulating structure is greater than or equal to the thickness of the electrode structure, which can compensate for the gap formed by the electrode structure, so that when the pixel defining structure is formed, the The pixel defining structure in the gap area of the adjacent electrode structure does not appear recessed, which is beneficial to alleviate the problem of light leakage of the pixel.
- the pixel defining structure 6 includes an opening area K, and the opening area K is arranged in a one-to-one correspondence with the electrode structure 4;
- the opening area K exposes at least a part of the electrode structure 4.
- the opening area of the pixel defining structure is the area where the pixel is located, and the opening area is used to hold the ink droplets of the light-emitting layer, and the ink droplets of the light-emitting layer are confined in the opening.
- the opening area In the area, light is emitted under the driving of the electrode structure after the ink drop is formed.
- the arrangement of this structure can not only reduce the light leakage of the pixel, but also avoid the light mixing phenomenon of adjacent pixels.
- the shape of the electrode structure 4 includes a rectangular part, and the opening area of the pixel defining structure 6 is an ellipse or a rectangle with rounded corners;
- the area of the orthographic projection of the electrode structure 4 on the base substrate 1 is larger than the area of the orthographic projection of the opening area K on the base substrate 1.
- the shape of the electrode structure may be a rectangle.
- the opening area is formed in an elliptical shape.
- the area of the open area is smaller than the area of the electrode structure.
- the main body of the electrode structure 4 is rectangular, and may also include electrode leads, the specific structure of which is not shown in the figure.
- the thickness of the insulating structure 5 is greater than the thickness of the electrode structure 4;
- the pixel defining structure 6 includes: a first structure unit 61 and a second structure unit 62.
- the first structure unit 61 extends in the row direction and is sequentially arranged in the column direction
- the second structure unit 62 extends in the column direction and is sequentially arranged in the row direction. arrangement;
- Each opening area K is surrounded by two parts of the first structural unit 61 and two parts of the second structural unit 62, the central axis (61a/62a) of the part of the first structural unit 61 and the part of the second structural unit 62
- the connection forms a closed figure to surround the opening area K;
- the distance between the upper surface of the pixel defining structure 6 and the base substrate 1 increases sequentially.
- the position of the insulating structure 4 is The height of the corresponding pixel defining structure 6 will be higher than that of other positions.
- It may be in a slope shape, that is, in the direction in which the opening area K points to the central axis (61a/62a) of the gap area, the distance between the upper surface of the pixel defining structure 6 and the base substrate 1 increases sequentially. Based on the pixel-defining structure of this shape, when the light-emitting layer is formed, even if there are ink droplets falling on the pixel-defining structure, they will slide along the surface of the pixel-defining structure to the area where the pixel is located to form a corresponding light-emitting layer.
- the shape of the insulating structure 5 is trapezoidal, and the area of the surface on the side close to the base substrate 1 is larger than that on the side away from the base substrate 1. area.
- the insulating structure is set in a regular trapezoid shape, and the width of the insulating structure decreases in a direction away from the base substrate, and then a pixel defining structure is formed on the insulating structure At this time, obvious protrusions can be formed in the area where the insulating structure is located, which facilitates the formation of a pixel defining structure with a slope, so that the ink droplets used to form the light-emitting layer slide down into the opening area.
- the cross-sectional shape of the pixel defining structure is semicircular.
- the cross-sectional shape of the pixel defining structure is not a semicircle in the strict sense, and the shape of its upper surface can be arc-shaped, and it is symmetrically arranged with respect to the central axis, and its lower surface is connected to the electrode structure and the insulating structure.
- whether the bottom surface is flat depends on whether the thickness of the insulating structure is the same as the thickness of the electrode structure.
- the bottom surface of the pixel defining structure is flat.
- the lower surface of the pixel defining structure is a structure with grooves.
- the base substrate 1 includes: a display area AA and a non-display area BB surrounding the display area AA;
- the non-display area BB includes an alignment structure 7, and the alignment structure 7 is configured to perform alignment when the electrode structure 4 is formed;
- the alignment structure 7 and the insulating structure 5 are arranged in the same layer and the same material.
- the exposure alignment mark is generally formed by patterning the first layer of metal (gate). Since the top-emission electroluminescent device forms the corresponding electrode structure after the planarization layer is formed, there is no pattern level difference contour as the alignment mark, which causes the electrode structure to be difficult to be aligned during exposure during the production process, and alignment alarms are likely to occur. Affect the production cycle and have a serious impact on product quality.
- the alignment structure is formed in the non-display area on the base substrate when the insulating structure is formed, and the alignment mechanism and the insulating structure are formed by the same manufacturing process, and the electrodes are formed.
- the alignment structure located in the non-display area can be identified, and the alignment accuracy can be improved.
- Organosiloxane resin (SOG) with better leveling properties can be used for the production of the planarization layer, and its flatness is higher , which can meet the flatness required by electroluminescent devices.
- Organosiloxane resin (SOG) is formed by heating, dehydration and cross-linking of small organic siloxane molecules. There are a large number of hydroxyl groups in its molecular structure and its hydrophilicity is relatively high.
- the pixel defining structure is a layer of organic barrier between the pixel openings, and generally presents a regular trapezoidal structure with a narrow top and a wide bottom to restrict the ink for inkjet printing from overflowing around.
- the manufacturing process generally includes processes such as coating, exposure, development, and curing of the pixel defining structure material, and removing the photoresist material in the pixel opening area to form the pixel opening area and the area where the pixel defining structure is located.
- the pixel defining structure needs to be lyophobic with the solution.
- the pixel-defining structure material has a low polarity, and is generally a fluorine-containing material.
- the pixel defining structure and the planarization layer are directly contacted, and the bonding force between the two is low, which easily causes the pixel defining structure to fall off, causing pixel defects and affecting display quality.
- the hydrophilicity of the planarization layer, the hydrophilicity of the insulating structure, and the hydrophilicity of the pixel defining structure decrease in order.
- an insulating structure is provided between the planarization layer and the pixel defining structure, and the hydrophilicity of the insulating structure is designed so that the hydrophilicity is within the level of the planarization.
- the layers and pixels define between the structure. Compared with the direct contact between the pixel defining structure and the planarization layer in the related art, this arrangement method greatly improves the bonding force of the pixel defining structure and the planarizing layer, and ensures the bonding stability of the various structures of the array substrate. To improve the display quality.
- the material of the planarization layer may be an organosiloxane resin material
- the material of the pixel defining structure can be a superhydrophobic acrylic material.
- the organosiloxane resin material has higher fluidity and higher flatness, which can better meet the flatness required by the electroluminescent device.
- the pixel-defining structure adopts super-hydrophobic materials, which can prevent the inkjet solution from sticking to the top of the pixel-defining structure and ensure the uniformity of the light-emitting layer.
- the electrode structure may be a reflective metal electrode.
- the electrode structure is set as a reflective metal electrode, which can reflect the light irradiated thereon, so as to prevent the light from irradiating the structure of the driving circuit and causing the performance degradation of the thin film transistor .
- the material of the insulating structure may be a light-shielding material.
- the insulating structure can be set as a light-shielding insulating structure, that is, the insulating structure is formed by using a light-shielding material, and this arrangement can perform light emission in the gap region between the electrode structures. Blocking to avoid affecting the performance of the thin film transistor in the gap area.
- the light-shielding material can be an organic silicon light-shielding material or a black acrylic material. Of course, it can also be other light-shielding insulating materials, which are not specifically limited here.
- the thickness of the electrode structure may be 50 nm to 200 nm;
- the thickness of the insulating structure may be 500 nm to 1000 nm.
- the thickness of the electrode structure and the thickness of the insulating structure meet the above conditions, it can be ensured that the subsequently formed pixel defining structure can form a structure with a middle height and a low edge.
- the light-emitting layer is formed, ink droplets will not be stored in the pixel defining structure. In, the light leakage phenomenon of the pixel is reduced.
- a base substrate 1 is provided, and a driving circuit structure 2 and a planarization layer 3 are formed on the base substrate 1; wherein, the manufacturing process of the driving circuit structure 2 and the planarization layer 3 and related technologies The same, I won't repeat them here.
- the driving circuit structure may include a light-shielding metal layer, a buffer layer, an active layer, a gate insulating layer, a gate electrode, an interlayer dielectric layer, a source and drain electrode, a passivation layer, and the like.
- the planarization layer is formed into a film by coating, pre-baking, post-baking and other processes.
- an insulating structure 5 is formed by a photolithography process at a predetermined position, where the predetermined position is a gap area between two adjacent electrode structures;
- the alignment structure (not specifically shown in the figure) can be formed in the non-display area through the same process, thereby reducing the manufacturing process and saving production costs.
- the electrode structure 4 is formed with the alignment structure (not specifically shown in the figure) as the alignment mark.
- the electrode structure 4 can be formed by film formation, exposure and development, Formed by etching and other processes.
- the pixel defining structure 6 is formed on the base substrate 1.
- the formation process is the same as the process of forming the pixel defining structure in the related art, which will not be repeated here.
- the formed structure is shown in FIG. 4 .
- embodiments of the present disclosure also provide a manufacturing method of an array substrate, including:
- An electrode structure is arranged between adjacent insulating structures, and the thickness of the insulating structure is greater than the thickness of the electrode structure;
- a pixel defining structure is formed on the side of the insulating structure away from the base substrate, so that the orthographic projection of the pixel defining structure on the base substrate covers the orthographic projection of the insulating structure and the edge of the electrode structure on the base substrate.
- the method when the insulating structure is formed in the gap region between the adjacent electrode structures, the method further includes:
- the alignment structure is formed in the non-display area of the base substrate through the same process.
- embodiments of the present disclosure also provide a display panel, which includes the array substrate provided in any of the above embodiments, and a light-emitting layer located in the pixel area, and located on the side of the light-emitting layer away from the base substrate.
- Drive electrode structure located in the pixel area, and located on the side of the light-emitting layer away from the base substrate.
- the display panel also includes other necessary structures known to those skilled in the art, which will not be repeated here.
- embodiments of the present disclosure also provide a display device, which includes the display panel provided by the above-mentioned embodiments.
- the display panel and the display device have all the advantages of the array substrate provided by the above-mentioned embodiments, which can be implemented with reference to any embodiment of the array substrate, and will not be repeated here.
- the display device can be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and so on.
- a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and so on.
- Other indispensable components of the display device are understood by those of ordinary skill in the art, and will not be repeated here, nor should they be used as a limitation to the present disclosure.
- the implementation of the display device can be referred to the embodiment of the above-mentioned display panel, and the repetition will not be repeated.
- the embodiments of the present disclosure provide an array substrate, a manufacturing method thereof, a display panel, and a display device.
- the array substrate includes a base substrate, a drive circuit structure on the base substrate, and the drive circuit structure in sequence
- the planarization layer on the side away from the base substrate and a plurality of electrode structures; further comprising: an insulating structure, the insulating structure is located in the gap area between the adjacent electrode structures, the thickness of the insulating structure is not less than The thickness of the electrode structure; the pixel defining structure, the pixel defining structure is located on the side of the insulating structure away from the base substrate, and the orthographic projection of the pixel defining structure on the base substrate at least completely covers the Insulation structure.
- the thickness of the insulating structure is not less than the thickness of the electrode structure, so that when the pixel defining structure is formed again, no recesses are formed in the gap area, and the ink droplets forming the light-emitting layer cannot be stored, thereby alleviating the The light leakage problem.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (16)
- 一种阵列基板,其中,包括:衬底基板,位于所述衬底基板上的驱动电路结构,以及依次位于所述驱动电路结构背离所述衬底基板一侧的平坦化层和多个电极结构;还包括:绝缘结构,所述绝缘结构位于相邻所述电极结构之间的间隙区域,所述绝缘结构的厚度不小于所述电极结构的厚度;像素界定结构,所述像素界定结构位于所述绝缘结构背离所述衬底基板一侧,且所述像素界定结构在所述衬底基板上的正投影至少完全覆盖所述绝缘结构。
- 如权利要求1所述的阵列基板,其中,所述像素界定结构包括开口区域,所述开口区域与所述电极结构一一对应设置;所述开口区域至少暴露部分所述电极结构。
- 如权利要求2所述的阵列基板,其中,所述电极结构的形状包括矩形部分,所述像素界定结构的开口区域为椭圆形或圆角矩形;所述开口区域在所述衬底基板上正投影在所述电极结构在所述衬底基板上正投影内。
- 如权利要求2所述的阵列基板,其中,所述绝缘结构的厚度大于所述电极结构的厚度;所述像素界定结构包括:第一结构单元和第二结构单元,所述第一结构单元沿着行方向上延伸在列方向上依次排列,所述第二结构单元在列方向上延伸在行方向上依次排列;每个所述开口区域被两个所述第一结构单元的部分和两个所述第二结构单元的部分包围,所述第一结构单元的部分和所述第二结构单元的部分的中心轴连接形成闭合图形包围所述开口区域;在所述开口区域指向所述中心轴的方向上,所述像素界定结构的上表面与所述衬底基板之间的距离依次递增。
- 如权利要求4所述的阵列基板,其中,所述绝缘结构的形状为梯形,且靠近所述衬底基板一侧表面的面积大于远离所述衬底基板一侧表面的面积。
- 如权利要求4所述的阵列基板,其中,所述像素界定结构的截面形状为半圆形。
- 如权利要求1所述的阵列基板,其中,所述衬底基板包括:显示区域和包围所述显示区域的非显示区域;所述非显示区域包括对位结构,所述对位结构被配置为在形成所述电极结构进行对位;其中,所述对位结构与所述绝缘结构同层同材料设置。
- 如权利要求1所述的阵列基板,其中,所述平坦化层的亲水性、所述绝缘结构的亲水性和所述像素界定结构的亲水性依次递减。
- 如权利要求8所述的阵列基板,其中,所述平坦化层的材料为有机硅氧烷树脂材料;所述像素界定结构的材料为超疏水亚克力材料。
- 如权利要求1所述的阵列基板,其中,所述电极结构为反射金属电极。
- 如权利要求1所述的阵列基板,其中,所述绝缘结构的材料为遮光材料。
- 如权利要求1-11任一项所述的阵列基板,其中,所述电极结构的厚度为50nm~200nm;所述绝缘结构的厚度为500nm~1000nm。
- 一种如权利要求1-12任一项所述的阵列基板的制作方法,其中,包括:提供一衬底基板;依次在所述衬底基板上形成驱动电路结构和平坦化层;在预定位置处形成绝缘结构;在相邻所述绝缘结构之间设置电极结构,所述绝缘结构的厚度大于所述 电极结构的厚度;在所述绝缘结构背离所述衬底基板一侧形成像素界定结构,使所述像素界定结构在所述衬底基板上的正投影覆盖所述绝缘结构以及所述电极结构边缘在所述衬底基板上的正投影。
- 如权利要求13所述的阵列基板的制作方法,其中,在相邻所述电极结构之间的间隙区域形成绝缘结构的同时,还包括:通过同一工艺在所述衬底基板的非显示区域形成所述对位结构。
- 一种显示面板,其中,包括如权利要求1-12任一项所述的阵列基板。
- 一种显示装置,其中,包括如权利要求15所述的显示面板。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/414,751 US11957002B2 (en) | 2020-01-17 | 2020-12-29 | Array substrate, method for preparing array substrate, display panel and display apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010053089.3A CN111129105B (zh) | 2020-01-17 | 2020-01-17 | 一种阵列基板、其制作方法、显示面板及显示装置 |
CN202010053089.3 | 2020-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021143523A1 true WO2021143523A1 (zh) | 2021-07-22 |
Family
ID=70490803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2020/141035 WO2021143523A1 (zh) | 2020-01-17 | 2020-12-29 | 阵列基板、其制作方法、显示面板及显示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11957002B2 (zh) |
CN (1) | CN111129105B (zh) |
WO (1) | WO2021143523A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111129105B (zh) * | 2020-01-17 | 2023-04-07 | 合肥鑫晟光电科技有限公司 | 一种阵列基板、其制作方法、显示面板及显示装置 |
JP2024518006A (ja) * | 2021-05-19 | 2024-04-24 | 京東方科技集團股▲ふん▼有限公司 | タッチ構造及び表示パネル |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060220543A1 (en) * | 2005-03-30 | 2006-10-05 | Seiko Epson Corporation | Organic electro luminescent device and method of manufacturing organic electro luminescent device |
CN102082164A (zh) * | 2009-11-30 | 2011-06-01 | 三星移动显示器株式会社 | 有机发光二极管显示设备及其制造方法 |
US20130330868A1 (en) * | 2008-10-23 | 2013-12-12 | Samsung Display Co., Ltd. | Organic light emitting diode display device and method of manufacturing the same |
CN111129105A (zh) * | 2020-01-17 | 2020-05-08 | 合肥鑫晟光电科技有限公司 | 一种阵列基板、其制作方法、显示面板及显示装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4904056A (en) * | 1985-07-19 | 1990-02-27 | General Electric Company | Light blocking and cell spacing for liquid crystal matrix displays |
JP5333176B2 (ja) * | 2009-11-26 | 2013-11-06 | 株式会社リコー | 画像表示装置、画像表示装置の製造方法及び電子機器 |
CN103928497B (zh) * | 2014-04-01 | 2016-07-13 | 京东方科技集团股份有限公司 | Oled显示器件及其制作方法、显示装置 |
CN104752490B (zh) | 2015-04-16 | 2016-04-06 | 京东方科技集团股份有限公司 | 一种有机发光二极管显示面板及其制作方法、显示装置 |
CN105826358B (zh) * | 2016-05-24 | 2019-02-05 | 京东方科技集团股份有限公司 | 一种显示基板及其制备方法、显示面板、显示装置 |
CN109860239B (zh) | 2018-12-13 | 2021-03-16 | 武汉华星光电半导体显示技术有限公司 | 阵列基板及其制作方法、显示装置 |
-
2020
- 2020-01-17 CN CN202010053089.3A patent/CN111129105B/zh active Active
- 2020-12-29 WO PCT/CN2020/141035 patent/WO2021143523A1/zh active Application Filing
- 2020-12-29 US US17/414,751 patent/US11957002B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060220543A1 (en) * | 2005-03-30 | 2006-10-05 | Seiko Epson Corporation | Organic electro luminescent device and method of manufacturing organic electro luminescent device |
US20130330868A1 (en) * | 2008-10-23 | 2013-12-12 | Samsung Display Co., Ltd. | Organic light emitting diode display device and method of manufacturing the same |
CN102082164A (zh) * | 2009-11-30 | 2011-06-01 | 三星移动显示器株式会社 | 有机发光二极管显示设备及其制造方法 |
CN111129105A (zh) * | 2020-01-17 | 2020-05-08 | 合肥鑫晟光电科技有限公司 | 一种阵列基板、其制作方法、显示面板及显示装置 |
Also Published As
Publication number | Publication date |
---|---|
CN111129105A (zh) | 2020-05-08 |
US11957002B2 (en) | 2024-04-09 |
US20230363207A1 (en) | 2023-11-09 |
CN111129105B (zh) | 2023-04-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9799715B2 (en) | Display panel, manufacturing method therefor, and display apparatus | |
US10873059B2 (en) | Array substrate with responsive particles, reparation method thereof, and display device | |
US9935287B2 (en) | Array substrate and manufacturing method therefor, and display device | |
US20200328264A1 (en) | Oled substrate, manufacturing method thereof and display device | |
US11367762B2 (en) | Pixel definition layer, display substrate, display device and inkjet printing method | |
US11784258B2 (en) | Thin film transistor with insulating portion between source/drian electrode and gate insulating layer, and manufacturing method thereof | |
US9508867B2 (en) | Thin film transistor, array substrate, method of fabricating same, and display device | |
US20160268350A1 (en) | Method of fabricating organic electroluminescent device | |
US8120028B2 (en) | Active device array substrate, color filter substrate and manufacturing methods thereof | |
WO2015096308A1 (zh) | Oled显示面板及其制作方法 | |
US11289512B2 (en) | Substrate and manufacturing method thereof, display panel and display device | |
WO2021143523A1 (zh) | 阵列基板、其制作方法、显示面板及显示装置 | |
KR20130066513A (ko) | 어레이 기판 및 이의 제조방법 | |
US20220320205A1 (en) | Display substrate and manufacturing method therefor, and display panel and display apparatus | |
US11158689B2 (en) | Electroluminescent display panel, manufacturing method thereof and display device | |
CN106816558A (zh) | 顶发射有机电致发光显示面板、其制作方法及显示装置 | |
US20210134905A1 (en) | Display substrate and method of manufacturing the same, and display panel | |
US20200127068A1 (en) | Array substrate, display panel, display device and method for preparing array substrate | |
WO2019223198A1 (zh) | Oled背板的制作方法及oled背板 | |
US11495623B2 (en) | Display substrate and manufacturing method thereof, display device | |
US20230189623A1 (en) | Display panel and method of manufacturing same, and display device | |
US20220077255A1 (en) | Array substrate, manufacture method thereof, display panel and display device | |
WO2020228594A1 (zh) | 阵列基板及其制作方法、显示装置和掩模板 | |
CN110828484A (zh) | 一种显示面板、其制作方法及显示装置 | |
US12048205B2 (en) | Display substrate, method for preparing same, display panel, and display device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20913509 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20913509 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 27.03.2023) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20913509 Country of ref document: EP Kind code of ref document: A1 |