CN114236916A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN114236916A CN114236916A CN202111351787.2A CN202111351787A CN114236916A CN 114236916 A CN114236916 A CN 114236916A CN 202111351787 A CN202111351787 A CN 202111351787A CN 114236916 A CN114236916 A CN 114236916A
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 211
- 239000000758 substrate Substances 0.000 claims abstract description 140
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 230000035939 shock Effects 0.000 claims abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 230000008093 supporting effect Effects 0.000 description 10
- 210000002858 crystal cell Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
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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
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
- G02F1/13396—Spacers having different sizes
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/40—Arrangements for improving the aperture ratio
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
Abstract
The application discloses display panel and display device, display panel include various membrane base plate and array substrate, and various membrane base plate is equipped with a plurality of shock insulators, and array substrate is equipped with data line layer and scan line layer, and the data line layer is including a plurality of data lines of parallel arrangement, and the scan line layer is including a plurality of scan lines of parallel arrangement, and a plurality of data lines and a plurality of scan line crisscross setting. And defining the end face of one end of each spacer, which is far away from the color film substrate, to orthographically project on the data line layer to form a projection surface, wherein each projection surface is positioned in one data line. The light leak can not appear to scanning line week side when display panel that this application provided is extruded by external force, and display panel's display effect is better.
Description
Technical Field
The present disclosure relates to display technologies, and particularly to a display panel and a display device.
Background
In order to maintain the thickness stability of the liquid crystal box, a spacer is usually arranged in the liquid crystal box, the spacer supports a color film substrate and an array substrate which form the liquid crystal box, and when the liquid crystal box is extruded by external force, the spacer generates elastic deformation; when the external force acting on the liquid crystal box disappears, the spacer elastically restores the original state, so that the color film substrate and the array substrate are reset.
In the related art, as shown in fig. 1, the array substrate 2 is provided with data lines 21 and scan lines 22, and the data lines 21 and the scan lines 22 are alternately arranged and cooperate to define a plurality of pixel units 23. The data line 21 is provided with a spacer base 211, and the spacer base 211 partially extends into the pixel unit 23 and forms a gap space 2a with the adjacent scanning line 22. As shown in fig. 2, the color filter substrate 1 is provided with a spacer 12, and the spacer 12 is disposed opposite to the spacer base 211. As shown in fig. 3, when the color filter substrate 1 is subjected to the squeezing action of an external force F, the color filter substrate 1 and the light-shielding layer 11 on the color filter substrate 1 are deformed and bent, and the spacer 12 may slide and be clamped into the slit space 2a along with the deformation, so that even if the external force F squeezing the color filter substrate 1 disappears, the spacer 12 still cannot be elastically restored, and the light-shielding layer 11 that originally can shield the data line 21 cannot be reset, and the light-shielding layer 11 cannot completely shield the scanning line 22, so that light leakage shown by a dotted arrow in fig. 3 occurs around the scanning line 22, and a display panel appears a white cluster, and a display failure occurs.
Disclosure of Invention
The main purpose of this application is to provide a display panel, aim at through making each spacer of various membrane base plate side correspond to the data line setting of array base plate side, cancel the design of spacer base, solve because of the spacer deformation card go into in the gap space between spacer base and the scanning line, lead to the problem of scanning line week side light leak that the spacer can't reset and bring, avoid display panel to appear showing badly.
In order to achieve the above object, the present application provides a display panel, where the display panel includes a color film substrate and an array substrate, the color film substrate is provided with a plurality of spacers, the array substrate is provided with a data line layer and a scan line layer, the data line layer includes a plurality of data lines arranged in parallel, the scan line layer includes a plurality of scan lines arranged in parallel, and the plurality of data lines and the plurality of scan lines are arranged in a staggered manner;
and defining an end face of each spacer, which is far away from one end of the color film substrate, to form a projection surface by orthographic projection on the data line layer, wherein each projection surface is positioned in one data line.
In an embodiment of the application, the spacers are located on one side of a portion of the data lines facing the color film substrate, and each data line is disposed corresponding to the spacers, so that the projection surfaces are located in one data line.
In an embodiment of the present application, each of the projection surfaces is located between two adjacent scan lines, and each of the scan lines is located between two adjacent projection surfaces in one of the data lines.
In an embodiment of the present application, at least a portion of the spacers include two sub spacers disposed adjacently;
and defining one end of each sub spacer, which is far away from the color film substrate, to orthographically project on the data line layer to form a sub projection surface, wherein each sub projection surface is positioned in the same data line.
In an embodiment of the present application, the two sub-spacers of each spacer have different heights.
In an embodiment of the present application, each of the projection surfaces is located between two adjacent scan lines, and at least two of the projection surfaces in one of the data lines are located between two adjacent scan lines.
In an embodiment of the present application, each of the projection surfaces has a shape of one of an ellipse, a circle, and a polygon.
In an embodiment of the application, a cross-sectional area of one end of each spacer, which is far away from the color film substrate, is smaller than a cross-sectional area of one end of each spacer, which is close to the color film substrate.
In an embodiment of the application, the length of each projection surface along the length direction of the data line is defined as L, the width of each projection surface along the width direction of the data line is defined as W, L is greater than or equal to 26 μm and less than or equal to 34 μm, and W is greater than or equal to 10 μm and less than or equal to 14 μm.
In addition, the present application also provides a display device, including:
the display panel described above; and
and the display panel is positioned on the light emergent side of the backlight module.
According to the technical scheme, each spacer on the side of the color film substrate is arranged corresponding to one data line on the side of the array substrate, the projection surface formed by orthographic projection of the end face, away from one end of the color film substrate, of each spacer on the data line layer is located in one data line, and the spacer is supported by contacting the part, corresponding to the data line, of the array substrate side with the spacer. Therefore, on one hand, the spacer and the data line are at least partially overlapped on a vertical light path of the display panel, and the data line can be shielded by the light shielding layer on the side of the color film substrate, so that light leakage around the data line is avoided; on the other hand, the design of the spacer base on the data line can be cancelled, the aperture opening ratio of the display panel is improved, and meanwhile, when the display panel is extruded by external force to enable the spacer to deform, the spacer cannot be clamped into a gap space between the spacer base and the scanning line, and the spacer can smoothly change and reset in a terrain when the external force disappears, so that the problem of light leakage on the periphery of the scanning line caused by the fact that the spacer cannot reset can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a structure of data lines and scan lines in a display panel according to an example;
FIG. 2 is a cross-sectional view of the display panel of FIG. 1 taken along line A-A';
FIG. 3 is a diagram illustrating the display panel of FIG. 2 when pressed by an external force;
FIG. 4 is a schematic structural diagram of a data line and a scan line in a display panel according to an embodiment of the present disclosure;
FIG. 5 is a diagram illustrating a distribution of spacers on a data line in a display panel according to an embodiment of the present disclosure;
FIG. 6 is a cross-sectional view of the display panel of FIG. 4 taken along line B-B';
FIG. 7 is a diagram illustrating the display panel of FIG. 4 being pressed by an external force;
FIG. 8 is a schematic diagram of a first structure of spacers, scan lines, and data lines in the display panel of FIG. 6;
FIG. 9 is a second schematic view of spacers, scan lines and data lines in the display panel of FIG. 6;
FIG. 10 is a schematic diagram of a third structure of spacers, scan lines, and data lines in the display panel of FIG. 6;
FIG. 11 is a fourth schematic diagram of spacers, scan lines, and data lines in the display panel of FIG. 6;
FIG. 12 is a schematic diagram of a fifth structure of spacers, scan lines and data lines in the display panel of FIG. 6;
fig. 13 is a schematic structural diagram of a display device according to a second embodiment of the present application.
The reference numbers illustrate:
the implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout this document, "and/or" is meant to include three juxtaposed aspects, exemplified by "A and/or B," including either the A aspect, or the B aspect, or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
The first embodiment is as follows:
the embodiment of the application provides a display panel, which is shown in fig. 4 to 6, and includes a color film substrate 1 and an array substrate 2, liquid crystal is filled between the color film substrate 1 and the array substrate 2, the color film substrate 1 is provided with a plurality of spacers 12, the array substrate 2 is provided with a data line layer and a scan line layer, the data line layer includes a plurality of data lines 21 arranged in parallel, the scan line layer includes a plurality of scan lines 22 arranged in parallel, and the plurality of data lines 21 and the plurality of scan lines 22 are arranged in a staggered manner; defining one end of each spacer 12 away from the color film substrate 1 to form a projection surface 1a by orthogonal projection on the data line layer, wherein each projection surface 1a is located in one data line 21.
In this embodiment, as shown in fig. 4, a plurality of data lines 21 and a plurality of scan lines 22 are disposed on the side of the array substrate 2, and each data line 21 is located in the same level space and constitutes a data line layer; each scanning line 22 is located in the same level space and constitutes a scanning line layer, and two adjacent data lines 21 and two adjacent scanning lines 22 cooperate to define a pixel unit 23.
As shown in fig. 5, fig. 5 is a top view of the display panel, each spacer 12 is located above one data line 21, the spacers 12 are uniformly distributed in the display area of the display panel, and each spacer 12 may be disposed at intervals corresponding to a part of the data lines 21. As shown in fig. 6, the spacer 12 is disposed on the color filter substrate 1 side, the color filter substrate 1 includes a substrate, and the light shielding layer 11 and the common electrode layer stacked on the substrate, the spacer 12 may be made on the common electrode layer, and the material of the spacer 12 may be resin. The spacer 12 may be a columnar structure with a wide top and a narrow bottom, the spacer 12 may be divided into a main spacer and an auxiliary spacer, the main spacer and the auxiliary spacer are both disposed on the color film substrate 1 side, the main spacer may be directly abutted to the data line on the array substrate 2 side, and the auxiliary spacer is smaller than the main spacer, is not directly contacted with the data line 21 on the array substrate 2 side, and is suspended above the data line 21. The main spacer supports the array substrate 2 and the color film substrate 1 when the color film substrate 1 is not extruded by an external force, and maintains the distance between the array substrate 2 and the color film substrate 1, namely, the thickness of a liquid crystal box. As shown in fig. 7, the auxiliary spacer abuts against the data line 21 when the color filter substrate 1 is pressed by an external force, and supports the array substrate 2 and the color filter substrate 1 in cooperation with the main spacer to maintain the thickness of the liquid crystal cell. When pressure is applied to the color film substrate 1, the spacer 12 can be forced to deform, the spacer 12 deforms to generate elastic potential energy to resist the pressure, when the pressure is removed, the spacer 12 elastically restores to the original state and pushes the color film substrate 1 to reset, and the thickness of a liquid crystal box is maintained.
Referring to fig. 4 and 6, a corresponding light-shielding layer 11, i.e., a black matrix layer, is disposed on the color filter substrate 1 corresponding to each data line 21 and each scan line 22, the light-shielding layer 11 shields each data line 21 and each scan line 22 on a vertical optical path of the display panel to prevent light leakage around each data line 21 and each scan line 22, and the spacer 12 is disposed on the color filter substrate 1 corresponding to the data line 21 to enable the light-shielding layer 11, the spacer 12, and the data line 21 above the data line 21 to be simultaneously located on the same vertical optical path of the display panel, so that the spacer 12 is located on the periphery of each pixel unit 23 on the vertical optical path without affecting the light transmission of the pixel unit 23. Each spacer 12 may be located right above one data line 21, an orthographic projection of each spacer 12 on the data line layer at least partially shields one data line 21, and a projection plane 1a formed by an orthographic projection of an end face of each spacer 12, which is far away from one end of the color film substrate 1, on the data line layer is located in one data line 21. The projection plane 1a is a projection area formed when the spacer 12 projects onto the data line layer, and the projection plane 1a is located in the data line 21, which means that the projection plane 1a is located in a space area occupied by the data line 21 and does not exceed the outer edge of the data line 21, and taking the data line 21 as a rectangular structure as an example, the projection plane 1a should be located in a rectangular area defined by two long sides and two short sides of the data line 21, and has no part protruding or protruding from either long side or either short side. Therefore, when the spacer 12 deforms, the end portion of the spacer 12 away from the color film substrate 1 can be always supported by the corresponding portion of the array substrate 2 and the data line 21, and conditions are provided for elastic recovery of the spacer 12.
In the technical scheme of this embodiment, each spacer 12 on the color film substrate 1 side is arranged corresponding to one data line 21 on the array substrate 2 side, and a projection plane 1a formed by orthographic projection of an end face of each spacer 12 far from one end of the color film substrate 1 on the data line layer is located in one data line 21, and the spacer 12 is supported by contacting the portion of the array substrate 2 side corresponding to the data line 21 with the spacer 12. Therefore, on one hand, the spacer 12 and the data line 21 are at least partially overlapped on a vertical light path of the display panel, and the data line 21 can be shielded by the spacer 12 and the light shielding layer 11 on the side of the color film substrate 1, so that light leakage around the data line 21 is avoided; on the other hand, the design of the base of the spacer 12 on the data line 21 can be cancelled, the aperture opening ratio of the display panel is improved, and meanwhile, when the display panel is extruded by external force to deform the spacer 12, the spacer 12 cannot be clamped into the gap space between the base of the spacer 12 and the scanning line 22, the spacer 12 can be smoothly reset in a terrain deformation mode when the external force disappears, and therefore the problem of light leakage on the periphery side of the scanning line 22 caused by the fact that the spacer 12 cannot be reset can be avoided.
In an embodiment of the present application, as shown in fig. 4, a plurality of spacers 12 are located on one side of a portion of the data lines 21 facing the color filter substrate 1, and each data line 21 is disposed corresponding to a plurality of spacers 12, so that a plurality of projection surfaces 1a are located in one data line 21.
In this embodiment, a plurality of spacers 12 are disposed on the color filter substrate 1, wherein the spacers 12 may be disposed right above a data line 21 and spaced apart from each other along the length direction of the data line 21, so that the portions of the array substrate 2 corresponding to the data line 21 may simultaneously support the plurality of spacers 12, which is beneficial to improving the reliability of the liquid crystal cell when the liquid crystal cell thickness is maintained through each spacer 12.
As further shown in fig. 5, the spacers 12 include a main spacer and an auxiliary spacer (not shown) for supporting the color film substrate 1 and the array substrate 2, when the number of the main spacers is too large, the color film substrate 1 is easily tilted up relative to the array substrate 2, and when the number of the main spacers is too small, it is difficult to have a good supporting effect on the color film substrate 1 and the array substrate 2, so in this embodiment, the distribution ratio of the main spacers satisfies: the ratio of the area of a projection plane formed by orthographic projection of the single main shock insulator on the data line layer multiplied by the number of the main shock insulators and divided by the area of the display panel is more than or equal to 0.02 percent and less than or equal to 0.025 percent. The distribution proportion of the auxiliary shock insulator meets the following requirements: the ratio of the area of a projection surface formed by orthographic projection of the single auxiliary spacer on the data line layer to the number of the auxiliary spacers is more than or equal to 1 percent and less than or equal to 2 percent, and the ratio is obtained by dividing the area of the display panel. In this way, the distribution of the actual main spacers may be in an exemplary state as shown in fig. 5, that is, the spacers 12 shown in fig. 5 are only disposed corresponding to a part of the data lines 21, and no spacers 12 are disposed above the remaining data lines.
In an embodiment of the present application, as shown in fig. 4, the projection surface 1a is absent in a part of the data line 21.
In the embodiment, on the vertical light path of the display panel, the spacer 12 is not disposed above each data line 21, and by disposing the spacer 12 only above a part of the data lines 21, the problem that the distribution density of the spacer 12 is too high to interfere with and affect the normal performance of the display structure in the display panel can be avoided, and the material cost and the manufacturing cost of the spacer 12 can be reduced.
In an embodiment of the present application, as shown in fig. 4, each of the projection surfaces 1a is located between two adjacent scan lines 22, and each scan line 22 is located between two adjacent projection surfaces 1a in one data line 21.
In this embodiment, the projection surface 1a is located in the data line 21 and has a distance from the overlapping portion of the scan line 22 and the data line 21, the projection surface 1a is not located at the overlapping portion of the data line 21 and the scan line 22, and the spacer 12 is not disposed corresponding to the overlapping portion of the data line 21 and the scan line 22, so that the spacer 12 can be disposed away from the tft circuit at the scan line 22, thereby avoiding the extrusion and interference to the tft circuit when the spacer 12 is deformed, and avoiding the elastic resetting of the spacer 12 being affected by the fact that the spacer 12 slides into the pit structure formed by the tft circuit and the scan line 22 or the data line 21 when the spacer 12 is deformed, resulting in light leakage around the scan line 22 or the data line 21.
In an embodiment of the present application, as shown in fig. 4, at least two scan lines 22 are located between two adjacent projection surfaces 1a in a data line 21.
In this embodiment, at least two scanning lines 22 are spaced between two adjacent projection surfaces 1a in one data line 21, so that a plurality of spacers 12 corresponding to the same data line 21 are disposed across at least two scanning lines 22, which can prevent the spacers 12 from being disposed at too high density and interfering with the internal structure of the display panel, thereby affecting the normal performance of the internal structure of the display panel, and being beneficial to reducing the material cost and the manufacturing cost of the spacers 12.
In an embodiment of the present application, as shown in FIG. 4, the length of each projection surface 1a along the length direction of the data line 21 is defined as L, the width of each projection surface 1a along the width direction of the data line 21 is defined as W, 26 μm L34 μm, 10 μm W14 μm.
In this embodiment, the length and the width of the projection surface 1a are the same as those of the end face of the spacer 12 away from the color filter substrate 1, so that the length L of each projection surface 1a along the length direction of the data line 21 is greater than or equal to 26 μm and less than or equal to 34 μm, even if the length of the end face of the spacer 12 away from the color filter substrate 1 along the length direction of the data line 21 is greater than or equal to 26 μm and less than or equal to 34 μm; the width W of each projection surface 1a along the width direction of the data line 21 is greater than or equal to 10 μm and less than or equal to 14 μm, even if the width of the spacer 12 away from the end face of the color filter substrate 1 along the width direction of the data line 21 is greater than or equal to 10 μm and less than or equal to 14 μm. Therefore, the problem that when the length of the end face, away from the color film substrate 1, of the spacer 12 is smaller than 26 microns and the width of the end face is smaller than 10 microns, the contact surface between the spacer 12 and the array substrate 2 is smaller, and the spacer 12 cannot reliably support the array substrate 2 and the color film substrate 1 can be solved; meanwhile, the problems that when the length of the end face, away from the color film substrate 1, of the spacer 12 is larger than 34 micrometers and the width of the end face is larger than 14 micrometers, the contact surface between the spacer 12 and the array substrate 2 is too large, so that the size of the spacer 12 is large, the spacer 12 easily interferes with the internal structure of the display panel when deformed, and the material cost of the spacer 12 is increased are solved. The length L of each projection surface 1a along the length direction of the data line 21 is designed to be greater than or equal to 26 microns and less than or equal to 34 microns, and the width W of each projection surface along the width direction of the data line 21 is designed to be greater than or equal to 10 microns and less than or equal to 14 microns, so that the spacers 12 and the array substrate 2 have enough contact area, the reliability of supporting the color film substrate 1 and the array substrate 2 through the spacers 12 is ensured, and the volume and the material cost of the spacers 12 are favorably controlled.
The spacers 12 in the above embodiments of the present application may have a plurality of structural forms, and the spacers 12 with different structural forms may form the projection surfaces 1a with different shapes by orthogonal projection on the data line 21, which is as follows:
in an embodiment of the present application, as shown in a portion a of fig. 8, the present embodiment provides a first structural form of the spacer 12: the overall shape of the spacer 12 is a columnar structure with a wide top and a narrow bottom, the cross-sectional area of one end of each spacer 12 away from the color film substrate 1 is smaller than that of one end of each spacer 12 close to the color film substrate 1, the cross-sectional shape of each spacer 12 is rectangular, and the end face of one end of each spacer 12 away from the color film substrate 1 is rectangular. As shown in part b of fig. 8, a projection surface 1a formed by orthographically projecting an end surface of the spacer 12 away from one end of the color film substrate 1 on the data line layer is rectangular, and a length direction of the projection surface 1a can be in the same direction as a length direction of the data line 21, so that the length direction of the whole spacer 12 can be in the same direction as the direction of the data line 21, and the length of each spacer 12 can be designed to be long enough to increase a contact area between the spacer 12 and the array substrate 2, thereby improving reliability of supporting the color film substrate 1 and the array substrate 2 by the spacer 12, maintaining stability of liquid crystal cell thickness, and facilitating realization of faster elastic resetting of the spacer 12 after deformation.
In an embodiment of the present application, as shown in a portion a of fig. 9, the present embodiment is different from the previous embodiment in that the present embodiment provides a second structural form of the spacer 12: in this embodiment, the cross section of the spacer 12 is a diamond shape, and the end surface of the spacer 12 away from the color film substrate 1 is a diamond shape. As shown in part b of fig. 9, a projection plane 1a formed by orthographic projection of an end face of the spacer 12, which is far away from one end of the color film substrate 1, on the data line layer is a rhombus, so that a long axis of the projection plane 1a can be in the same direction as the length direction of the data line 21, and the length direction of the whole spacer 12 is in the same direction as the direction of the data line 21, so that the length of each spacer 12 can be designed to be long enough to increase the contact area between the spacer 12 and the array substrate 2, improve the reliability of supporting the color film substrate 1 and the array substrate 2 through the spacer 12, maintain the stability of the liquid crystal cell thickness, and also be beneficial to realizing faster elastic resetting of the spacer 12 after deformation.
In an embodiment of the present application, as shown in a portion a in fig. 10, the present embodiment is different from the previous embodiment in that the present embodiment provides a third structural form of the spacer 12: in this embodiment, the cross section of the spacer 12 is elliptical, and the end surface of the spacer 12 away from the color film substrate 1 is elliptical. As shown in part b of fig. 10, a projection plane 1a formed by orthographically projecting an end face of the spacer 12 away from one end of the color film substrate 1 on the data line layer is an ellipse, and compared with the spacer 12 with a rhombic cross section, the spacer 12 with an elliptic cross section in this embodiment can further increase the contact area between the spacer 12 and the array substrate 2, and further improve the reliability of supporting the color film substrate 1 and the array substrate 2 by the spacer 12.
In an embodiment of the present application, as shown in a portion a of fig. 11, the present embodiment provides a fourth structural form of the spacer 12: the end face of the spacer 12 far away from the color film substrate 1 is circular, and the spacer 12 on the same part of the color film substrate 1 comprises two sub spacers 121 which are adjacently arranged; and defining that one end of each sub spacer, which is far away from the color film substrate, is orthographically projected on the data line layer to form a sub projection surface 1a1, and each sub projection surface 1a1 is positioned in the same data line 21.
In this embodiment, as shown in part b of fig. 11, a projection surface 1a formed by orthographically projecting an end surface of each spacer 12 away from one end of the color filter substrate 1 on the data line layer is circular, because the cross-sectional shape of the data line 21 is rectangular, the maximum circular surface of the projection surface 1a when the projection surface is circular is a circular surface inscribed in a rectangular plane where the data line 21 is located, and is limited by the narrow width of the data line 21, when the orthographically projecting the end surface of the spacer 12 away from one end of the color filter substrate 1 on the data line 21 is circular, the end of the spacer 12 forms a circle whose orthographically projecting 1a is maximally inscribed in two long sides of the data line 21 on the data line 21, and the area of a contact surface between the end of the spacer 12 and the array substrate 2 is small. Therefore, in the present embodiment, each of the spacers 121 includes two sub spacers 121 disposed adjacently, the sub projection plane 1a1 formed by the orthogonal projection of each sub spacer 121 on the data line 21 can be inscribed on two long sides of the data line 21 at most, and the contact area between the two sub spacers 121 and the data line 21 can be twice as large as the contact area between a single spacer 12 and the data line 21 at most, so as to increase the contact area between the whole spacer 12 and the array substrate 2, and improve the reliability when the color film substrate 1 and the array substrate 2 are supported by the spacers 12. In addition, each projection surface 1a is located between two adjacent scanning lines 22, and at least two projection surfaces 1a in one data line 21 are located between two adjacent scanning lines 22, so that the number of spacers 12 located between two adjacent scanning lines 22 is increased, the contact area between the spacers 12 and the array substrate 2 is increased, and the reliability when the color film substrate 1 and the array substrate 2 are supported by the spacers 12 is improved.
Optionally, the heights of the two sub spacers 121 of each spacer 12 are different, and the height of the sub spacer 121 is the distance between the end face of the sub spacer 121 departing from the color filter substrate 1 and the color filter substrate. Therefore, when the color film substrate 1 is not extruded by an external force, the sub spacers 121 with higher heights are abutted to the data lines 21, and the sub spacers 121 with higher heights support the array substrate 2 and the color film substrate 1 to maintain the thickness of the liquid crystal box. When the color film substrate 1 is extruded by an external force, the sub spacers 121 with higher heights are deformed and compressed, the sub spacers 121 with lower heights are abutted against the data lines 21, and the sub spacers 121 with higher heights are matched to support the array substrate 2 and the color film substrate 1, so that the thickness of a liquid crystal box is maintained. In this way, at the same position where the color filter substrate 1 and the array substrate 2 are supported by the spacer 12, the supporting protection of one sub-spacer 121 can be obtained when the color filter substrate 1 is not extruded by an external force, and the dual supporting protection from two sub-spacers 121 can be obtained when the color filter substrate 1 is extruded by an external force, so that the reliability of the spacer 12 in supporting the color filter substrate 1 and the array substrate 2 can be greatly improved.
In an embodiment of the present application, as shown in a portion a in fig. 12, the difference between the present embodiment and the previous embodiment is that the present embodiment provides a fifth structural form of the spacer 12: the cross-sectional shape of the spacer 12 in this embodiment is a triangle, and the end face of the spacer 12 away from the color film substrate 1 is a triangle. As shown in part b of fig. 12, a projection plane 1a formed by orthographically projecting an end face of the spacer 12 away from one end of the color filter substrate 1 on the data line layer is triangular. Therefore, by using the stability of the triangular structure, the reliability of the spacer 12 for supporting the color film substrate 1 and the array substrate 2 can be improved. In addition, in this embodiment, the contact area between the spacers 12 and the array substrate 2 can be increased by increasing the number of the spacers 12 located between two adjacent scan lines 22, so as to improve the reliability when the color filter substrate 1 and the array substrate 2 are supported by the spacers 12.
Example two:
an embodiment of the present application provides a display device, as shown in fig. 13, the display device includes a backlight module 3 and a display panel in the first embodiment, and the display panel is located on a light emitting side of the backlight module 3.
In the embodiment, the display device is a liquid crystal display, the backlight module 3 may be a direct type backlight module 3 or a side type backlight module 3, the backlight module 3 is used for providing a backlight source for a display panel, and the display panel is used for displaying images. The specific structure of the display panel refers to the above embodiments, and since the display device adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only an alternative embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the technical solutions that can be directly or indirectly applied to other related fields without departing from the spirit of the present application are intended to be included in the scope of the present application.
Claims (10)
1. The utility model provides a display panel, display panel includes various membrane base plate and array substrate, various membrane base plate is equipped with a plurality of shock insulators, the array substrate is equipped with data line layer and scan line layer, the data line layer is including a plurality of data lines of parallel arrangement, the scan line layer is including a plurality of scan lines of parallel arrangement, and is a plurality of the data line sets up with a plurality of the scan line is crisscross, its characterized in that:
and defining that one end of each spacer, which is far away from the color film substrate, is orthographically projected on the data line layer to form a projection surface, wherein each projection surface is positioned in one data line.
2. The display panel according to claim 1, wherein a plurality of spacers are located on a side of a portion of the data lines facing the color filter substrate, and each data line is disposed corresponding to a plurality of spacers, so that a plurality of projection surfaces are located in one data line.
3. The display panel of claim 2, wherein each of the projection surfaces is located between two adjacent scan lines, and each of the scan lines is located between two adjacent projection surfaces in one of the data lines.
4. The display panel of claim 3, wherein at least some of the spacers comprise two sub-spacers disposed adjacent to each other;
and defining one end of each sub spacer, which is far away from the color film substrate, to orthographically project on the data line layer to form a sub projection surface, wherein each sub projection surface is positioned in the same data line.
5. The display panel according to claim 4, wherein the two sub spacers of each spacer have different heights.
6. The display panel of claim 2, wherein each of the projection surfaces is located between two adjacent scan lines, and at least two of the projection surfaces in one of the data lines are located between two adjacent scan lines.
7. The display panel according to any one of claims 1 to 6, wherein each of the projection surfaces has a shape of one of an ellipse, a circle, and a polygon.
8. The display panel according to any one of claims 1 to 6, wherein a cross-sectional area of an end of each spacer away from the color filter substrate is smaller than a cross-sectional area of an end of each spacer close to the color filter substrate.
9. The display panel according to any one of claims 1 to 6, wherein a length of each of the projection surfaces in a length direction of the data line is defined as L, a width of each of the projection surfaces in a width direction of the data line is defined as W, 26 μm ≦ L ≦ 34 μm, and 10 μm ≦ W ≦ 14 μm.
10. A display device, characterized in that the display device comprises:
the display panel according to any one of claims 1 to 9; and
and the display panel is positioned on the light emergent side of the backlight module.
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| CN202111351787.2A CN114236916A (en) | 2021-11-15 | 2021-11-15 | Display panel and display device |
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Application publication date: 20220325 |