CN111367113A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN111367113A CN111367113A CN202010274150.7A CN202010274150A CN111367113A CN 111367113 A CN111367113 A CN 111367113A CN 202010274150 A CN202010274150 A CN 202010274150A CN 111367113 A CN111367113 A CN 111367113A
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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
- G02F1/1335—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
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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)
- Liquid Crystal (AREA)
Abstract
The invention discloses a display panel and a display device, wherein the display panel comprises an array substrate, a color film substrate and frame glue which are oppositely arranged, and the color film substrate comprises: the black matrix comprises a substrate base plate, a black matrix layer and a covering layer; in the non-display area of the display panel, the covering layer is provided with a first groove surrounding the display area, the black matrix layer is exposed in the groove, and the rubber frame is supported on the black matrix layer in the first groove. The invention has the technical effects of improving the coating stability of the frame glue in the display device and meeting the requirements of the display device with the ultra-narrow frame.
Description
Technical Field
The present invention relates to the field of display, and in particular, to a display panel and a display device.
Background
For the ultra-narrow frame Liquid Crystal Display (LCD), namely, the width of the lower frame of the LCD is less than 1mm, the coating width of the frame glue needs to be greatly reduced in order to meet the limited space of the lower frame of the narrow frame. As shown in fig. 1, the conventional display device includes an array substrate 100, a color filter substrate 200 and a sealant 300, where the array substrate 100 includes a substrate 110 and a color resist layer 120, and the color filter substrate 200 includes a substrate 210 and a black matrix 220.
This results in a corresponding reduction in the cross-sectional area of the sealant while maintaining the normal cell gap in the liquid crystal display region, which results in the cross-sectional area of the sealant being smaller than the lower limit of the nozzle discharge capacity of the sealant coater, thereby deteriorating the coating stability of the sealant and causing a rapid increase in the risk of thinning and breaking of the sealant.
Disclosure of Invention
The invention aims to solve the technical problem that the frame glue has poor coating stability due to small cross section area in the conventional ultra-narrow frame display device.
In order to achieve the above object, the present invention provides a display panel including a display area and a non-display area surrounding the display area, the display panel including: the array substrate and the color film substrate are oppositely arranged; the frame glue is arranged between the array substrate and the color film substrate and arranged in the non-display area; the color film substrate comprises: a substrate base plate; the black matrix layer is arranged on one side, facing the array substrate, of the substrate and is positioned in the display area and the non-display area; the covering layer is arranged on the surface of one side, close to the array substrate, of the black matrix layer; in the non-display area, the cover layer is provided with a first groove surrounding the display area, the black matrix layer is exposed in the first groove, and the rubber frame is supported on the black matrix layer in the first groove.
Further, the array substrate includes: a substrate; the color resistance layer is arranged on the substrate; and the passivation layer is arranged on the surface of one side of the color resistance layer, which is far away from the substrate.
Furthermore, the array substrate further comprises a first electrode layer arranged on the surface of the passivation layer far away from the color resistance layer.
Further, the color filter substrate further includes: and the second electrode layer is arranged on the surface of one side of the covering layer facing the array substrate.
Further, in the display area, the distance between the array substrate and the color film substrate ranges from 3 micrometers to 4 micrometers.
Further, the array substrate further includes: and the retaining wall is arranged on the substrate and surrounds the frame glue.
Further, the array substrate further includes: and the photoresist layer is arranged on the surface of one side of the color resistance layer close to the color film substrate.
Furthermore, a second groove is formed in the photoresist layer, and the second groove is opposite to the first groove.
Furthermore, one end of the frame glue is arranged in the first groove, and the other end of the frame glue is arranged in the second groove.
To achieve the above object, the present invention further provides a display device including the display panel as described above.
The invention has the technical effects that a covering layer is added on the surface of the black matrix layer of the color film substrate, grooves are dug at the covering layer in the non-display area, the height of the frame glue is increased and the sectional area of the frame glue is increased when the space of the liquid crystal filling range is ensured, so that the frame glue has good stability during coating, the yield of the frame glue is improved, the yield of the display device is further improved, and meanwhile, the requirement of an ultra-narrow frame is met.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
FIG. 1 is a schematic diagram of a display panel in the prior art;
fig. 2 is a schematic structural diagram of a display panel according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a display panel according to embodiment 2 of the present invention.
Some of the components are identified as follows:
100. an array substrate; 200. a color film substrate; 300. frame glue;
110. a substrate; 120. a color resist layer;
210. a substrate; 220. a black matrix;
1. the array substrate, 2, a color film substrate; 3. frame glue;
11. a substrate; 12. a color resist layer; 13. a passivation layer; 14. a first electrode layer; 15. retaining walls; 16. photoresist;
21. a substrate base plate; 22. a black matrix; 23. a cover layer; 24. a second electrode layer.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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 invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Example 1
The embodiment of the invention provides a display device, which comprises a display panel as shown in fig. 2, wherein the display panel comprises an array substrate 1, a color film substrate 2 and frame glue 3. The display panel includes a display area and a non-display area surrounding the display area.
The array substrate 1 includes a substrate 11, a color resist layer 12, a passivation layer 13, a first electrode layer 14, and a dam wall 15.
The base 11 is a substrate base, generally a hard base, which serves as a substrate and a support, generally a glass base.
The color resistance layer 12 is disposed on the upper surface of the substrate 11, and is RGB color resistors, which are a red color resistor (R), a green color resistor (G), and a blue color resistor (B), respectively, in this embodiment, the display device is a bottom emission type display device, so the color resistance layer 12 is disposed on the array substrate 1, and the display effect of the display device is improved.
The color resistance layer 12 is arranged in the display area, and the blue color resistance layer can be arranged in the non-display area and is used as a retaining wall 15. The retaining wall 15 is disposed around the sealant 3 to protect the sealant 3 and components in the display region. And the frame glue 3 is prevented from overflowing into the display area in the preparation process, so that the assembly in the display area is prevented from being influenced.
The passivation layer 13 is disposed on the upper surface of the color resist layer 12, and is generally made of an inorganic material, which plays a role of insulation and a role of smoothing surface, so that the electrode layer can be completely and smoothly attached to the passivation layer 13.
The first electrode layer 14 is attached to the upper surface of the passivation layer 13, the material of the first electrode layer 14 is Indium Tin Oxide (ITO), which has a good conductive effect, and the first electrode layer 14 is a pixel electrode.
The color filter substrate 2 is arranged opposite to the array substrate 1, and the color filter substrate 2 includes a substrate 21, a black matrix layer 22, a cover layer 23, and a second electrode layer 24.
The substrate base plate 21 serves as a substrate and a support, and is generally a hard base plate, such as: a glass substrate, and the like.
The black matrix layer 22 is disposed on the lower surface of the substrate 21, and serves to block light, so that the display device can display better. The black matrix layer 22 is disposed in the display region and the non-display region of the display panel.
The covering layer 23 is disposed on the lower surface of the black matrix layer 22, in the non-display region, the covering layer 23 has a first groove surrounding the display region, the black matrix layer 22 is exposed in the first groove, and the first groove provides a containing space for the sealant.
The second electrode layer 24 is attached to the lower surface of the cover layer 23, and the material of the second electrode layer 24 is transparent Indium Tin Oxide (ITO), has good conductivity, and is a common electrode of the color film substrate 2.
The rubber frame 3 is disposed between the color film substrate 2 and the array substrate 1, and specifically, in this embodiment, the upper end of the rubber frame 3 is supported on the black matrix layer 22 in the first groove, and the other end is supported in a cavity surrounded by the retaining walls 15 of the array substrate 1.
The width of the space between the first electrode layer 14 of the array substrate 1 and the second electrode layer 24 of the color filter substrate 2 is 3 to 4 micrometers, in this embodiment, the space is 3.5 micrometers, so that the space between the array substrate 1 and the color filter substrate 2 is ensured, and the space is used for filling liquid crystal.
The method is characterized in that a covering layer 23 is additionally arranged on the surface of a black matrix layer 22 of a color film substrate 2, grooves are formed in the covering layer 23 in a non-display area, the height of frame glue is increased when the space of a liquid crystal filling range is ensured, the sectional area of the frame glue is increased, the sectional area of the frame glue 3 is larger than the lower limit of the nozzle discharge capacity of a frame glue coating machine, the frame glue coating machine has good stability during coating, the risks of glue fineness and glue breakage are reduced, the frame glue yield is improved, the yield of a display device is further improved, and meanwhile the requirement of an ultra-narrow frame is met.
The display device has the technical effects that a covering layer is additionally arranged on the surface of a black matrix layer of a color film substrate, grooves are formed in the covering layer in a non-display area, the height of frame glue is increased when the space of a liquid crystal filling range is ensured, the sectional area of the frame glue is increased, the frame glue has good stability during coating, the yield of the frame glue is improved, the yield of the display device is further improved, and meanwhile the requirement of an ultra-narrow frame is met.
Example 2
The embodiment of the invention provides a display device, which comprises a display panel as shown in fig. 3, wherein the display panel comprises an array substrate 1, a color film substrate 2 and frame glue 3. The display panel includes a display area and a non-display area surrounding the display area.
The array substrate 1 includes a substrate 11, a color resist layer 12, a photoresist 16, and a first electrode layer 14.
The base 11 is a substrate base, generally a hard base, which serves as a substrate and a support, generally a glass base.
The color resistance layer 12 is disposed on the upper surface of the substrate 11, and is RGB color resistors, which are a red color resistor (R), a green color resistor (G), and a blue color resistor (B), respectively, in this embodiment, the display device is a bottom emission type display device, so the color resistance layer 12 is disposed on the array substrate 1, and the display effect of the display device is improved.
The color resistance layer 12 is arranged in the display area, and the blue color resistance layer can be arranged in the non-display area and is used as a retaining wall 15. The retaining wall 15 is disposed around the sealant 3 to protect the sealant 3 and components in the display region. And the frame glue 3 is prevented from overflowing into the display area in the preparation process, so that the assembly in the display area is prevented from being influenced.
The photoresist 16 is arranged on the upper surface of the color resistance layer 12, the photoresist 16 is arranged in the display area and the non-display area, and the effect of thickening the Film layer of the Array substrate 1 is realized by adopting a PFA (Polymer Film on Array) technology to coat the photoresist material on the color resistance layer. In the non-display area, a second groove is formed in the photoresist 16, the second groove is opposite to the first groove, the frame glue 3 is arranged in the first groove and the second groove, and the height of the frame glue 3 arranged in the second groove is increased because the photoresist 16 thickens a film layer of the array substrate 1.
The first electrode layer 14 is attached to the upper surface of the photoresist 16, the material of the first electrode layer 14 is Indium Tin Oxide (ITO), which has a good conductive effect, and the first electrode layer 14 is a pixel electrode.
The color filter substrate 2 is arranged opposite to the array substrate 1, and the color filter substrate 2 includes a substrate 21, a black matrix layer 22, a cover layer 23, and a second electrode layer 24.
The substrate base plate 21 serves as a substrate and a support, and is generally a hard base plate, such as: a glass substrate, and the like.
The black matrix layer 22 is disposed on the lower surface of the substrate 21, and serves to block light, so that the display device can display better. The black matrix layer 22 is disposed in the display region and the non-display region of the display panel.
The covering layer 23 is disposed on the lower surface of the black matrix layer 22, in the non-display region, the covering layer 23 has a first groove surrounding the display region, the black matrix layer 22 is exposed in the first groove, and the first groove provides a containing space for the sealant.
The second electrode layer 24 is attached to the lower surface of the cover layer 23, and the material of the second electrode layer 24 is transparent Indium Tin Oxide (ITO), has good conductivity, and is a common electrode of the color film substrate 2.
The rubber frame 3 is disposed between the color film substrate 2 and the array substrate 1, and specifically, in this embodiment, the upper end of the rubber frame 3 is supported on the black matrix layer 22 in the first groove, and the other end of the rubber frame is supported on the substrate 11 in the second groove of the array substrate 1.
The width of the space between the first electrode layer 14 of the array substrate 1 and the second electrode layer 24 of the color filter substrate 2 is 3 to 4 micrometers, in this embodiment, the space is 3.5 micrometers, so that the space between the array substrate 1 and the color filter substrate 2 is ensured, and the space is used for filling liquid crystal.
The covering layer 23 is additionally arranged on the surface of the black matrix layer 22 of the color film substrate 2, grooves are formed in the covering layer 23 in the non-display area, the height of the frame glue is increased when the space of the liquid crystal filling range is guaranteed, the film layer of the array substrate 1 is thickened, the height of the frame glue is further increased, and the sectional area of the frame glue is increased, so that the frame glue has good stability during coating, the yield of the frame glue is improved, the yield of a display device is further improved, and meanwhile, the requirement of an ultra-narrow frame is met.
The display device has the technical effects that a covering layer is additionally arranged on the surface of a black matrix layer of a color film substrate, grooves are formed in the covering layer in a non-display area, when the space of a liquid crystal filling range is ensured, the thickness of the array substrate is thickened, the height of frame glue is increased, the sectional area of the frame glue 3 is larger than the lower limit of the nozzle discharge capacity of a frame glue coating machine, the frame glue coating machine has good stability during coating, the risks of glue fineness and glue breakage are reduced, the yield of the frame glue is improved, the yield of the display device is further improved, and meanwhile the requirement for an ultra-narrow frame is met.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display panel and the display device provided by the embodiment of the present invention are described in detail above, and the principle and the embodiment of the present invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the technical solution and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A display panel including a display area and a non-display area surrounding the display area, comprising:
the array substrate and the color film substrate are oppositely arranged; and
the frame glue is arranged between the array substrate and the color film substrate and arranged in the non-display area;
the color film substrate comprises:
a substrate base plate;
the black matrix layer is arranged on one side, facing the array substrate, of the substrate and is positioned in the display area and the non-display area; and
the covering layer is arranged on the surface of one side, close to the array substrate, of the black matrix layer;
in the non-display area, the cover layer is provided with a first groove surrounding the display area, the black matrix layer is exposed in the first groove, and the rubber frame is supported on the black matrix layer in the first groove.
2. The display panel of claim 1,
the array substrate includes:
a substrate;
the color resistance layer is arranged on the substrate;
and the passivation layer is arranged on the surface of one side of the color resistance layer, which is far away from the substrate.
3. The display panel of claim 2,
the array substrate further comprises
The first electrode layer is arranged on the surface of one side, far away from the color resistance layer, of the passivation layer.
4. The display panel of claim 1,
the color film substrate further comprises:
and the second electrode layer is arranged on the surface of one side of the covering layer facing the array substrate.
5. The display panel of claim 1,
in the display area, the display area is provided with a plurality of display areas,
the distance between the array substrate and the color film substrate ranges from 3 micrometers to 4 micrometers.
6. The display panel of claim 2,
the array substrate further includes:
and the retaining wall is arranged on the substrate and surrounds the frame glue.
7. The display panel of claim 2,
the array substrate further includes:
and the photoresist layer is arranged on the surface of one side of the color resistance layer close to the color film substrate.
8. The display panel of claim 7,
and a second groove is arranged on the photoresist layer and is opposite to the first groove.
9. The display panel of claim 8,
one end of the frame glue is arranged in the first groove, and the other end of the frame glue is arranged in the second groove.
10. A display device comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274150.7A CN111367113A (en) | 2020-04-09 | 2020-04-09 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274150.7A CN111367113A (en) | 2020-04-09 | 2020-04-09 | Display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN111367113A true CN111367113A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010274150.7A Pending CN111367113A (en) | 2020-04-09 | 2020-04-09 | Display panel and display device |
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| CN (1) | CN111367113A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112764276A (en) * | 2021-01-12 | 2021-05-07 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN113703212A (en) * | 2021-08-31 | 2021-11-26 | Tcl华星光电技术有限公司 | Display panel and display device |
| CN114326198A (en) * | 2021-02-05 | 2022-04-12 | 惠科股份有限公司 | Color film substrate, manufacturing method thereof and display panel |
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| CN112764276A (en) * | 2021-01-12 | 2021-05-07 | 武汉华星光电技术有限公司 | Display panel and display device |
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| CN114326198B (en) * | 2021-02-05 | 2023-06-16 | 惠科股份有限公司 | Color film substrate, manufacturing method thereof and display panel |
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| CN113703212B (en) * | 2021-08-31 | 2023-05-02 | Tcl华星光电技术有限公司 | Display panel and display device |
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Application publication date: 20200703 |