WO2020113686A1 - 显示面板和显示装置 - Google Patents
显示面板和显示装置 Download PDFInfo
- Publication number
- WO2020113686A1 WO2020113686A1 PCT/CN2018/122088 CN2018122088W WO2020113686A1 WO 2020113686 A1 WO2020113686 A1 WO 2020113686A1 CN 2018122088 W CN2018122088 W CN 2018122088W WO 2020113686 A1 WO2020113686 A1 WO 2020113686A1
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- WIPO (PCT)
- Prior art keywords
- walls
- display panel
- lateral
- alignment film
- wall
- Prior art date
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133388—Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13398—Spacer materials; Spacer properties
Definitions
- the present application relates to the technical field of display panel packaging, in particular to a display panel and a display device using the display panel.
- the liquid crystal display includes opposite upper and lower substrates.
- the upper substrate is mainly composed of a matrix of red, green and blue color resists and indium tin oxide (ITO, or tin-doped indium oxide) as a common electrode.
- the lower substrate has metal lines and crystal diodes Composed of matrices.
- the liquid crystal is sandwiched between the two opposite substrates, and the rotation of the liquid crystal molecules is controlled by the pressure difference of the ITO electrodes on the upper and lower substrates, thereby controlling the light and dark display of the display panel.
- the upper and lower substrates are bonded into a box by frame sealant applied around one of the substrates.
- the liquid crystal molecules are in a disordered state, and the alignment film needs to be arranged for initial orientation.
- the substrate has a display area and a non-display area.
- the liquid alignment film material needs to be coated on the display area of the substrate, and at the same time, the liquid alignment film material must be prevented from flowing to the frame sealant to affect the frame sealant The adhesion will ultimately affect the sealing of the upper and lower substrates. Therefore, in an exemplary arrangement, a vertical barrier wall is designed on the side of the frame sealant near the display area to block the liquid alignment film material from mixing with the frame sealant.
- the vertical retaining wall blocks the outflow of liquid alignment film material, it also causes the liquid alignment film material to hit the barrier wall to generate a backflow, so that there is no distribution of the alignment film material at the edge of the substrate, resulting in abnormal display around the edge of the display panel.
- the liquid material of the alignment film can also cause abnormal display in the effective display area.
- the main purpose of the present application is to provide a display panel and a display device, aiming to prevent the display panel from displaying abnormally.
- the display panel proposed in this application includes:
- a substrate the substrate includes an effective display area and a non-display area surrounding the effective display area;
- An alignment film the alignment film is provided in the effective display area
- Frame sealant the frame sealant is provided in the non-display area
- the retaining wall is disposed between the alignment film and the frame sealant, the retaining wall includes multiple sections of divided retaining walls, and the multiple sections of the divided retaining walls are formed at intervals and have protrusions and Depression.
- the protruding portion includes a lateral dividing wall and two inclined dividing walls, the lateral dividing wall is disposed near the alignment film, and the two inclined dividing walls are located in the lateral direction The side of the partition wall facing the frame sealant;
- Two of the inclined partition walls are oppositely arranged along the first direction of the lateral partition wall to form a yield gap, and one of the lateral partition walls is provided in the yield gap;
- the concave portion includes a lateral dividing wall and two inclined dividing walls, the lateral dividing wall is located near the frame sealant, and the two inclined dividing walls are located on the lateral dividing wall facing the alignment film
- Two inclined partition walls are oppositely arranged along the first direction of the lateral partition wall to form a yield gap, and one of the lateral partition walls is provided in the yield gap.
- the inclination directions of two adjacent inclined partition walls are opposite.
- a direction perpendicular to the first direction is defined as a second direction, and the angle ⁇ formed by the inclined partition wall in the vertical direction is in the range of: 0° ⁇ ⁇ 90°.
- the inclination angles of two adjacent inclined partition walls are the same.
- the range value of the vertical distance H1 between the highest point of the inclined partition wall and the plane where the lower surface of the lateral partition wall is located is 0 ⁇ m ⁇ H1 ⁇ 100 ⁇ m.
- the range value of the vertical distance H2 between the lowest point of the inclined partition wall and the plane where the upper surface of the lateral partition wall is located is 0 ⁇ m ⁇ H2 ⁇ 100 ⁇ m.
- the range value of the length L1 of the partition wall is 10 ⁇ m to 500 ⁇ m.
- the length of each partition wall is equal.
- the material of the retaining wall is polystyrene
- the material of the alignment film is polyimide.
- the present application also proposes a display device including a display panel, the display panel including:
- a substrate the substrate includes an effective display area and a non-display area surrounding the effective display area;
- An alignment film the alignment film is provided in the effective display area
- Frame sealant the frame sealant is provided in the non-display area
- the retaining wall is disposed between the alignment film and the frame sealant, the retaining wall includes multiple sections of divided retaining walls, and the multiple sections of the divided retaining walls are formed at intervals and have protrusions and Depression.
- the present application also proposes a display device including a display panel, the display panel including:
- a substrate the substrate includes an effective display area and a non-display area surrounding the effective display area; the substrate is at least one of an array substrate and a color filter substrate;
- An alignment film the alignment film is provided in the effective display area
- Frame sealant the frame sealant is provided in the non-display area
- the retaining wall is disposed between the alignment film and the frame sealant, the retaining wall includes multiple sections of divided retaining walls, and the multiple sections of the divided retaining walls are formed at intervals and have protrusions and Depression
- each partition wall is equal.
- a retaining wall is provided between the alignment film and the frame sealant to prevent the alignment film liquid from contacting the frame sealant.
- the multi-stage divided retaining wall is arranged to form a convex portion and a concave portion.
- the liquid of the alignment film flows to the convex part, it will flow to the concave part through the partition wall on the side of the convex part and collect at the concave part. In this way, the liquid of the alignment film does not flow back, so that the display of the effective display area is normal.
- the liquid of the alignment film will not come into contact with the sealant due to the blocking and collection of the protruding parts and the concave parts. Therefore, the display abnormality of the display panel can be effectively prevented.
- FIG. 1 is a schematic structural diagram of an embodiment of a display panel of this application.
- FIG. 2 is a partially enlarged view at A in FIG. 1;
- FIG. 3 is a schematic arrangement diagram of an embodiment of a retaining wall according to this application.
- fixed may be a fixed connection, a detachable connection, or integrated; It is a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediary. It can be the connection between two elements or the interaction between two elements, unless otherwise clearly defined.
- This application proposes a display panel 100, which should be set as a display device.
- the display panel 100 includes:
- Substrate 10 which includes an effective display area and a non-display area surrounding the effective display area;
- the substrate 10 is at least one of an array substrate and a color filter substrate.
- the substrate 10 may be an upper substrate (color filter substrate).
- the color filter substrate is mainly composed of a matrix composed of red, green, and blue color resists, and ITO as a common electrode.
- the substrate 10 may also be a lower substrate (array substrate), and the array substrate has a matrix of metal lines and crystal diodes.
- the thickness of the substrate 10 of the present application can be set from 0.4mm to 0.7 mm, thereby making the thickness of the substrate 10 thinner, and thus making the overall thickness of the display panel 100 thinner.
- the substrate 10 is a glass substrate, and the substrate glass can be divided into two categories: alkali glass and alkali-free glass.
- Alkali glass includes soda glass and neutral boron silicate glass, which should be set to TN (twisted nematic, twisted nematic field effect) and STN LCD (Super Twisted Nematic, super twisted nematic), mainly produced by float process.
- Alkali-free glass is made of alkali-free aluminum silicate glass (Alumino Silicate Glass, mainly composed of SiO2, Al2O3, B2O3, BaO, etc.), and its total alkali metal content is less than 1%, mainly set on TFT-LCD.
- Effective display area refers to an area where the substrate 10 can display character images, and can be provided in a central area of the substrate 10.
- the non-display area refers to an area that cannot display the displayed text image, and is generally set around the effective display area. Place circuit traces and other driven electronic components.
- Alignment film 30 is a thin film with straight stripe scratches, and its role is to guide the arrangement direction of the liquid crystal molecules.
- a PI coating solution and a roller are used to print a parallel groove on the ITO film.
- the liquid crystal can then follow this groove.
- the direction lies horizontally in the groove to achieve the purpose of aligning the liquid crystal in the same direction.
- the material of the alignment film 30 needs to have good light permeability; it must be ionized or partially ionized; possess covalent or partially covalent links; amorphous and good lattice structure.
- DLC is the abbreviation of "DIAMOND-LIKE CARBON" in English.
- DLC is a substance composed of carbon element, similar in nature to diamond, and also has a structure of graphite atoms.
- Diamond film is an amorphous film with high hardness and high elastic modulus, low friction factor, wear resistance and good vacuum tribology characteristics), SiC, SiO 2 , glass, Si 3 N 4 , Al 2 O 3. CeO 2 , ZnTiO 2 etc.
- the main organic materials are: PI (Polyimide, polyimide), PVC (the full name of PVC is Polyvinylchloride, the main component is polyvinyl chloride), PMMA (the full name of PMMA is PolymethylMethacrylate, the main component is polymethyl methacrylate), etc. .
- Polyimide can be used in this application.
- Polyimide refers to a class of polymers containing an imide ring (-CO-NH-CO-) in the main chain, of which a polymer containing a phthalimide structure The most important.
- polyimide has been widely used in aviation, aerospace, microelectronics, nano, liquid crystal, separation membrane, laser and other fields.
- Polyimide has the following advantages:
- the initial decomposition temperature is generally around 500 °C.
- the polyimide synthesized from pyromellitic dianhydride and p-phenylenediamine has a thermal decomposition temperature of 600°C, which is one of the most thermally stable varieties among polymers.
- Polyimide can also withstand extremely low temperatures, such as brittle cracking in liquid helium at -269°C.
- Polyimide has excellent mechanical properties, the tensile strength of unfilled plastics are all above 100Mpa, the film of kapton for homophenyl polyimide is above 170Mpa, and the polyimide of biphenyl polyimide (Upilex) S) Reached 400Mpa.
- the elastic modulus is usually 3-4Gpa, and the fiber can reach 200Gpa. According to theoretical calculations, the fiber synthesized by pyromellitic dianhydride and p-phenylenediamine can reach 500Gpa, second only to carbon fiber.
- polyimide varieties are insoluble in organic solvents and stable to dilute acids.
- the general varieties are not resistant to hydrolysis. This seemingly disadvantageous feature makes polyimide different from other high-performance polymers. It can use alkaline hydrolysis to recover raw materials dianhydride and diamine. For example, for Kapton film, the recovery rate can reach 80%-90%. Change the structure can also get quite resistant to hydrolysis varieties, such as withstand 120 °C, 500 Boil in hours.
- Polyimide has high radiation resistance, and its film has a 90% strength retention rate after 5 ⁇ 109rad fast electron irradiation.
- Polyimide has good dielectric properties, the dielectric constant is about 3.4, the introduction of fluorine, or the dispersion of air nano-size in polyimide, the dielectric constant can be reduced to about 2.5.
- the dielectric loss is 10-3, the dielectric strength is 100-300KV/mm, and Guangcheng thermoplastic polyimide is 300KV/mm. These properties can be maintained at a high level in a wide temperature range and frequency range.
- Polyimide is a self-extinguishing polymer with a low smoking rate. Polyimide has very little outgassing under extremely high vacuum. Polyimides are non-toxic, and some polyimides also have good biocompatibility.
- Frame sealant 50 which is located in the non-display area
- Frame sealant 50 is an adhesive that bonds the upper and lower substrates 10 of the LCD liquid crystal screen while maintaining a certain gap, and then seals the poured liquid crystal so that it cannot leak, while preventing external contaminants from entering,
- This kind of adhesive is frame sealant 50, also called edge sealant.
- frame sealant 50 for LCD liquid crystals: thermal curing adhesives and ultraviolet (UV) curing adhesives.
- thermal curing adhesives and ultraviolet (UV) curing adhesives.
- UV curing adhesives are widely used. But for the production of high-precision LCD screens, UV curing adhesives are superior to thermal curing adhesives in terms of curing time, adhesion, moisture resistance, and heat resistance.
- the curing time is short, which shortens the production cycle, and at the same time prevents the dislocation of the two sheets of glass during the long-term curing process.
- This application is optional UV curing adhesive
- the composition is a modified acrylic compound, the appearance is a yellowish viscous liquid.
- the gel-like UV curing adhesive is evenly coated on the frame position of the upper glass surface. After the upper and lower two substrates 10 are bonded, the adhesive is cross-linked by a linear macromolecular structure into a stable network with ultraviolet light irradiation. The structure has a strong adhesion ability, so that the two substrates 10 are bonded together.
- At least one row of retaining walls 70 which are disposed between the alignment film 30 and the frame sealant 50, and the retaining walls 70 include multiple sections of divided walls, which are formed at intervals and have protrusions 71 and depressions ⁇ 73.
- the technical solution of the present application adopts a retaining wall 70 between the alignment film 30 and the frame sealant 50 to prevent the liquid of the alignment film 30 from contacting the frame sealant 50.
- the retaining wall 70 as a multi-stage divided retaining wall
- the multi-stage divided retaining walls are arranged to form a protruding portion 71 and a concave portion 73.
- the liquid of the alignment film 30 flows to the protruding portion 71, it will flow to the recessed portion 73 through the partition wall on the side of the protruding portion 71 and collect at the recessed portion 73. In this way, the liquid in the alignment film 30 does not flow back, so that the display in the effective display area is normal.
- the liquid of the alignment film 30 does not come into contact with the sealant 50 due to the blocking and collection of the convex portion 71 and the concave portion 73. Therefore, the display abnormality of the display panel 100 can be effectively prevented.
- the shape and structural settings of the multi-section dividing wall can be the same or different. Its shape can be set as a rectangular parallelepiped to facilitate processing. It can also be other shapes, such as an arc structure or a wave structure.
- the arc-shaped structure is part of a circular arc. For example, it is inferior arc-shaped, and the center of the arc is located on the side of the effective display area. Therefore, the arc-shaped structure can also be a storage space for containing the liquid of the alignment film 30.
- the length of each partition wall is designed to be equal.
- the length of the dividing wall can also be designed to be unequal. In this way, the differentiated design arrangement of the partition wall can be realized.
- a plurality of rows of retaining walls 70 may also be provided, and each row of retaining walls 70 is provided with a protruding portion 71 and a recessed portion 73.
- the protruding portions 71 of two adjacent rows of retaining walls 70 correspond to each other
- the arrangement of such a plurality of retaining walls 70 can better block the liquid of the alignment film 30 and prevent the liquid of the alignment film 30 from flowing back.
- the protruding portion 71 includes a lateral partition wall 75 and two inclined partition walls 77, the lateral partition wall 75 is located near the alignment film 30, the two inclined The partition wall 77 is located on the side of the lateral partition wall 75 facing the frame sealant 50;
- the two inclined partition walls 77 are oppositely arranged along the first direction of the lateral partition wall 75 to form a yield gap, and a lateral partition wall 75 is provided in the yield gap;
- the concave portion 73 includes a lateral dividing wall 75 and two inclined dividing walls 77, the lateral dividing wall 75 is disposed close to the frame sealant 50, and the two inclined dividing walls 77 are located on the side of the lateral dividing wall 75 facing the alignment film 30 side;
- the two inclined partition walls 77 are oppositely arranged along the first direction of the lateral partition wall 75 to form a yield gap, and a lateral partition wall 75 is provided in the yield gap.
- the first direction is the longitudinal direction of the lateral partition wall.
- the lateral partition wall 75 blocks the liquid alignment film 30 material and prevents the liquid alignment film 30 material from contacting the frame sealant 50.
- the partition wall 77 plays a role of blocking and guiding.
- the liquid alignment film 30 material is blocked and guided by the tilting partition wall 77 to prevent the liquid alignment film 30 material from flowing back. Therefore, the convex portion 71 and the concave portion 73 formed by the lateral partition wall 75 and the inclined partition wall 77 can better block the flow of the material of the liquid alignment film 30 and prevent its backflow.
- the protruding portions 71 and the recessed portions 73 may be adjacent and alternately arranged, and may share the same inclined dividing wall 77, thus simplifying the structural design.
- the vertical direction to the first direction is defined as the second direction, and the angle ⁇ formed by the inclined partition wall 77 in the vertical direction ranges from 0° ⁇ 90°.
- the second direction here is the width direction of the lateral partition wall.
- the angle ⁇ is equal to 0 degrees, the liquid of the alignment film 30 will decrease with the inclined partition wall when it flows (this is called the inclined partition wall, just to distinguish it from the horizontal partition wall, it can be understood that, This inclined dividing wall can be called a vertical dividing wall).
- the angle ⁇ is set to an acute angle, that is, the angle is set to 0° ⁇ 90°.
- the angle ⁇ is set to an acute angle, that is, the angle is set to 0° ⁇ 90°.
- the liquid of the alignment film 30 can be better guided.
- the recessed portion 73 is formed, while the liquid of the alignment film 30 is better guided, a larger space for storing the liquid of the alignment film 30 can be formed.
- the inclination angles of two adjacent inclined partition walls 77 are the same. This is convenient for processing and design, and the optional setting is a tilt angle of 45 degrees.
- the range value of the vertical distance H1 between the highest point of the inclined partition wall 77 and the plane where the lower surface of the lateral partition wall 75 is located is 0 ⁇ m ⁇ H1 ⁇ 100 ⁇ m;
- the range value of the vertical distance H2 between the lowest point of the inclined partition wall 77 and the plane where the upper surface of the lateral partition wall 75 is located is 0 ⁇ m ⁇ H2 ⁇ 100 ⁇ m.
- a gap is formed between the highest point of the inclined partition wall 77 and the lower surface of the lateral partition wall 75, the gap is not easy to be too large, and the excessive partition makes the inclined partition wall 77 and the lateral partition
- a large amount of alignment film 30 liquid passes between the walls 75.
- it can be set to 1 ⁇ m, 10 ⁇ m, 15 ⁇ m, 20 ⁇ m, 30 ⁇ m, 40 ⁇ m, 50 ⁇ m, 60 ⁇ m, 70 ⁇ m, 80 ⁇ m, 90 ⁇ m, 100 ⁇ m.
- the range value of the length L1 of the dividing wall is 10 ⁇ m to 500 ⁇ m.
- the length of the partition wall should not be too long. If the length is too long, the liquid of the alignment film 30 will return after contacting the partition wall, which will affect the display of the effective display area. Of course, the partition wall should not be too short, too short to effectively prevent the liquid of the alignment film 30, so that the liquid of the alignment film 30 is in contact with the sealant 50, which affects the adhesion performance of the sealant 50. At the same time, the size of the setting space must also be considered. Therefore, the length of the partition wall is set to 10 ⁇ m to 500 ⁇ m, for example, 10 ⁇ m, 20 ⁇ m, 50 ⁇ m, 80 ⁇ m, 100 ⁇ m, 150 ⁇ m, 200 ⁇ m, 300 ⁇ m, 400 ⁇ m, 500 ⁇ m.
- the width of the dividing wall ranges from 5 ⁇ m to 50 ⁇ m.
- the width of the partition wall should not be too wide, too wide will take up more space, nor should it be too narrow, which is not convenient for processing design. Therefore, the width of the partition wall is set to 5 ⁇ m to 50 ⁇ m, for example, it can be set to 5 ⁇ m, 10 ⁇ m, 15 ⁇ m, 20 ⁇ m, 30 ⁇ m, 40 ⁇ m, 50 ⁇ m.
- the width of each sub-block wall can be set to the same or different, according to the specific situation.
- the present application also proposes a display device including a display panel 100.
- the specific structure of the display panel 100 refers to the above embodiments. Since the display device adopts all the technical solutions of all the above embodiments, it has at least the above embodiments All the effects brought by the technical solutions of the above will not be repeated here.
- the display device may be an LCD TV, a mobile terminal (for example, a smart phone, a tablet computer, a handheld PDA), or a notebook computer.
Abstract
Description
标号 | 名称 | 标号 | 名称 |
100 | 显示面板 | 71 | 凸出部 |
10 | 基板 | 72 | 凹陷部 |
30 | 配向膜 | 75 | 横向分挡墙 |
50 | 封框胶 | 77 | 倾斜分挡墙 |
70 | 挡墙 |
Claims (20)
- 一种显示面板,包括:基板,所述基板包括有效显示区域和围绕所述有效显示区域的非显示区域;配向膜,所述配向膜设于所述有效显示区域;封框胶,所述封框胶设于所述非显示区域;以及至少一排挡墙,所述挡墙设于所述配向膜和所述封框胶之间,所述挡墙包括多段分挡墙,多段所述分挡墙间隔排布形成而具有凸出部和凹陷部。
- 如权利要求1所述的显示面板,其中,所述凸出部包括一横向分挡墙和两倾斜分挡墙,该横向分挡墙靠近所述配向膜设置,两所述倾斜分挡墙位于所述横向分挡墙的朝向所述封框胶的一侧;两所述倾斜分挡墙沿所述横向分挡墙的第一方向间隔相对设置形成让位间隙,一所述横向分挡墙设于该让位间隙;所述凹陷部包括一横向分挡墙和两倾斜分挡墙,该横向分挡墙靠近所述封框胶设置,两所述倾斜分挡墙位于所述横向分挡墙的朝向所述配向膜的一侧;两所述倾斜分挡墙沿所述横向分挡墙的第一方向间隔相对设置形成让位间隙,一所述横向分挡墙设于该让位间隙。
- 如权利要求2所述的显示面板,其中,定义与所述第一方向的垂直方向为第二方向,所述倾斜分挡墙在所述第二方向上所形成的夹角α的范围为:0°≤α<90°。
- 如权利要求2所述的显示面板,其中,两相邻所述倾斜分挡墙的倾斜方向相反。
- 如权利要求4所述的显示面板,其中,两相邻所述倾斜分挡墙的倾斜角度相同。
- 如权利要求4所述的显示面板,其中,定义与所述横向分挡墙的垂直方向为竖直方向,所述倾斜分挡墙在所述竖直方向上所形成的夹角α的范围为:0°≤α<90°。
- 如权利要求6所述的显示面板,其中,所述分挡墙的长度L1的范围值为10μm至500μm。
- 如权利要求5所述的显示面板,其中,两相邻所述倾斜分挡墙的倾斜角度相同。
- 如权利要求8所述的显示面板,其中,所述分挡墙的长度L1的范围值为10μm至500μm。
- 如权利要求2所述的显示面板,其中,在所述凸出部中,所述倾斜分挡墙的最高点与所述横向分挡墙的下表面所在的平面之间的垂直距离H1的范围值为0μm<H1≤100μm。
- 如权利要求2所述的显示面板,其中,在所述凹陷部中,所述倾斜分挡墙的最低点与所述横向分挡墙的上表面所在的平面之间的垂直距离H2的范围值为0μm<H2≤100μm。
- 如权利要求2所述的显示面板,其中,在所述凸出部中,所述倾斜分挡墙的最高点与所述横向分挡墙的下表面所在的平面之间的垂直距离H1的范围值为0μm<H1≤100μm;在所述凹陷部中,所述倾斜分挡墙的最低点与所述横向分挡墙的上表面所在的平面之间的垂直距离H2的范围值为0μm<H2≤100μm。
- 如权利要求1所述的显示面板,其中,所述分挡墙的长度L1的范围值为10μm至500μm。
- 如权利要求7的显示面板,其中,每一所述分挡墙的长度相等。
- 如权利要求1所述的显示面板,其中,所述挡墙的材质为聚苯乙烯。
- 如权利要求1所述的显示面板,其中,所述配向膜的材质为聚酰亚胺。
- 如权利要求1所述的显示面板,其中,所述挡墙的材质为聚苯乙烯;所述配向膜的材质为聚酰亚胺。
- 一种显示装置,包括显示面板,所述显示面板包括:基板,所述基板包括有效显示区域和围绕所述有效显示区域的非显示区域;配向膜,所述配向膜设于所述有效显示区域;封框胶,所述封框胶设于所述非显示区域;以及至少一排挡墙,所述挡墙设于所述配向膜和所述封框胶之间,所述挡墙包括多段分挡墙,多段所述分挡墙间隔排布形成而具有凸出部和凹陷部。
- 如权利要求18所述的显示装置,其中,所述凸出部包括一横向分挡墙和两倾斜分挡墙,该横向分挡墙靠近所述配向膜设置,两所述倾斜分挡墙位于所述横向分挡墙的朝向所述封框胶的一侧;两所述倾斜分挡墙沿所述横向分挡墙的第一方向间隔相对设置形成让位间隙,一所述横向分挡墙设于该让位间隙;所述凹陷部包括一横向分挡墙和两倾斜分挡墙,该横向分挡墙靠近所述封框胶设置,两所述倾斜分挡墙位于所述横向分挡墙的朝向所述配向膜的一侧;两所述倾斜分挡墙沿所述横向分挡墙的第一方向间隔相对设置形成让位间隙,一所述横向分挡墙设于该让位间隙。
- 一种显示装置,包括显示面板,其中,所述显示面板包括:基板,所述基板包括有效显示区域和围绕所述有效显示区域的非显示区域;所述基板为数组基板和彩膜基板的至少之一;配向膜,所述配向膜设于所述有效显示区域;封框胶,所述封框胶设于所述非显示区域;以及至少一排挡墙,所述挡墙设于所述配向膜和所述封框胶之间,所述挡墙包括多段分挡墙,多段所述分挡墙间隔排布形成而具有凸出部和凹陷部;每一所述分挡墙的长度相等。
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