CN107450209B - Bright spot repairing method and color film substrate - Google Patents
Bright spot repairing method and color film substrate Download PDFInfo
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- CN107450209B CN107450209B CN201710940347.8A CN201710940347A CN107450209B CN 107450209 B CN107450209 B CN 107450209B CN 201710940347 A CN201710940347 A CN 201710940347A CN 107450209 B CN107450209 B CN 107450209B
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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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
Abstract
The invention provides a bright spot repairing method and a color film substrate. The method is applied to a color film substrate, the color film substrate comprises a substrate, and a black matrix and a color resistance layer which are arranged on the substrate in an array mode, and the method comprises the following steps: performing laser irradiation on the color resistance layer to be repaired for multiple times to form a gap between the color resistance layer to be repaired and the substrate, wherein the time interval between two adjacent laser irradiations is longer than the preset time; and granulating the black matrix adjacent to the color resistance layer to be repaired to obtain black matrix particles, and filling the black matrix particles into the gaps to treat the color resistance layer to be repaired into dark spots. Because the time interval of the two adjacent laser shots is longer than the preset time, the laser heat irradiated into the color resistance layer to be repaired and the black matrix can be effectively dissipated in the time interval, the gas volume generated by the organic materials of the color resistance layer to be repaired and the black matrix shrinks, the color resistance layer to be repaired is prevented from being expanded and broken by heating, and the maintenance quality of the color film substrate is ensured.
Description
Technical Field
The invention relates to the technical field of display, in particular to a bright spot repairing method and a color film substrate.
Background
With the development of liquid crystal display technology, various liquid crystal displays have been developed and used. The existing liquid crystal display mainly comprises an array substrate, a color film substrate, a liquid crystal layer and a polarizer, wherein the liquid crystal layer is formed between the array substrate and the color film substrate, the array substrate, the color film substrate and the liquid crystal layer form a liquid crystal box through assembly, and then a liquid crystal display device is formed through subsequent processes of attaching the polarizer and the like.
In actual production, display performance detection is needed after the liquid crystal box is formed, and after the liquid crystal box with the display performance not meeting the requirement is screened out, the screened liquid crystal box is maintained to ensure the quality of the liquid crystal box. When a pixel bright point exists in a liquid crystal box, the liquid crystal box is generally maintained by a laser method, specifically, a color resistance layer on a color film substrate of the liquid crystal box is continuously irradiated by laser, a gap is formed between the color resistance layer and a substrate of the color film substrate, and then a black matrix near the color resistance layer is irradiated by the laser, so that granulated black matrix particles are filled in the gap, the black matrix particles are covered on the color resistance layer, the brightness of the pixel is reduced, and the maintenance of the bright point pixel is realized.
However, when the existing bright point repairing method is used for repairing the liquid crystal box, the color resistance layer and the black matrix are often heated unevenly to cause expansion and fracture, and the liquid crystal penetrates into a gap between the color resistance layer and the black matrix along the fracture part, so that the repair failure of the liquid crystal box is finally caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a bright spot repairing method, which can avoid expansion and fracture of a color resistance layer and a black matrix caused by uneven heating in the process of generating a gap or under the action of laser after the gap is generated, and ensure the maintenance quality of a liquid crystal box and a display panel.
On one hand, the method is applied to a color film substrate, the color film substrate comprises a substrate, and a black matrix and a color resistance layer which are arranged on the substrate in an array mode, and the method comprises the following steps:
performing multiple laser on the color resistance layer to be repaired to form a gap between the color resistance layer to be repaired and the substrate, wherein the time interval between two adjacent laser is longer than the preset time;
and granulating the black matrix adjacent to the color resistance layer to be repaired to obtain black matrix particles, and filling the black matrix particles into the gap to treat the color resistance layer to be repaired into dark spots.
Further, the laser processing the color resist layer to be repaired for multiple times comprises:
respectively carrying out at least one laser on a plurality of areas of the color resistance layer to be repaired; and after the laser in any area is finished, closing the laser source, and controlling the laser source to move to the next area for laser after a preset time.
Further, the preset time length is greater than or equal to 10 s.
Further, the controlling the laser source to move to the next laser color resistance area after the preset time period includes:
and controlling the laser source to move to the next laser color resistance area after the preset time according to a preset path.
Further, the granulating the black matrix adjacent to the color resist layer to be repaired to obtain black matrix particles, and filling the black matrix particles into the gap includes:
and carrying out granulation treatment on the black matrix surrounding the periphery of the color resistance layer to be repaired in sequence to obtain black matrix particles, and filling the black matrix particles into the gap.
Further, when laser is carried out on the black matrix adjacent to the short side of the color resistance layer to be repaired, the distance between the boundary of the laser area and the adjacent short side is 0-1 μm.
Further, before performing laser irradiation on the color resist layer to be repaired for multiple times, the method further includes:
and preheating the color resistance layer to be repaired and the adjacent black matrix.
Further, the preheating the color resistance layer to be repaired and the adjacent black matrix comprises:
the sum of the areas of the color resistance layer to be repaired and the adjacent black matrix is 4-5 times of the area of the color resistance layer to be repaired.
Further, the base plate comprises a substrate and a spacer layer, wherein the spacer layer is arranged between the substrate and the color resistance layer.
On the other hand, the color film substrate comprises a substrate, black matrixes arranged on the substrate in an array mode, and a color resistance layer repaired by the method.
Compared with the prior art, the invention has the following advantages:
the embodiment of the invention provides a bright spot repairing method, which is applied to a color film substrate, wherein the color film substrate comprises a substrate, and a black matrix and a color resistance layer which are arranged on the substrate in an array manner, performing laser on the color resist layer to be repaired for multiple times to form a gap between the color resist layer to be repaired and the substrate, because the time interval of the two adjacent laser beams is longer than the preset time, the laser heat irradiated into the color resistance layer to be repaired and the black matrix can be effectively dissipated in the time interval, the volume of gas generated by the organic materials of the color resistance layer to be repaired and the black matrix, such as carbon dioxide gas, is shrunk, therefore, the phenomenon that the volume expansion of gas is overlarge due to excessive heating is avoided, the phenomenon that the color resistance layer and the black matrix expand and break under the action of laser due to uneven heating in the process of generating a gap or after the gap is generated is avoided, and the maintenance quality of the color film substrate or the display panel prepared from the color film substrate is ensured.
Compared with the prior art in which only the black matrixes on the two sides of the long side of the color resistance layer are granulated, the black matrix processing method can obtain a large number of black matrix particles, so that the gap between the color resistance layer and the substrate is tightly filled, and the maintenance effect of the bright point pixel is ensured.
According to the embodiment of the invention, before the color resistance layer to be repaired is subjected to laser for multiple times, the color resistance layer to be repaired and the adjacent black matrix thereof can be subjected to preheating treatment, the sum of the areas of the color resistance layer to be repaired and the adjacent black matrix thereof subjected to preheating treatment is preferably 4-5 times of the area of the color resistance layer to be repaired, and the large-area preheating treatment is carried out on the color resistance layer and the adjacent black matrix thereof, so that the excessive volume expansion caused by the fact that the black matrix absorbs a large amount of heat in a short time when the color resistance layer to be repaired is subjected to laser is effectively prevented, the expansion and fracture of the color resistance layer and the black matrix caused by uneven heating in the process of generating gaps or under the action of laser after generating the gaps are avoided, and the maintenance effect of bright point pixels is ensured.
Drawings
Fig. 1 is a flowchart of a method for repairing a bright spot according to an embodiment of the present invention;
fig. 2 to fig. 5 are schematic structural diagrams of a color film substrate in an implementation process of the bright point repairing method according to the embodiment of the present invention;
fig. 6 is a circuit diagram of a laser source for performing laser on a color resistance layer to be repaired in the bright point repairing method according to the embodiment of the present invention;
fig. 7 is a circuit diagram of a laser source for performing granulation processing on a color resistance layer to be repaired in the bright point repairing method according to the embodiment of the present invention;
fig. 8 is a schematic diagram illustrating a positional relationship between a laser area boundary and an adjacent short edge in the bright spot repairing method according to the embodiment of the present invention.
Reference numerals
Substrate 1 color resist layer to be repaired 2 black matrix 3 gap 4
Area a area B laser area boundary a1 laser area boundary a2
Adjacent short edge M1 distance d1 distance d2 adjacent short edge M2
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the machine or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
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; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The embodiment of the invention provides a bright spot repairing method. Fig. 1 is a flowchart of a bright spot repairing method according to an embodiment of the present invention. The method shown in fig. 1 comprises:
The bright point repairing method provided by the embodiment of the invention is applied to a color film substrate, and the color film substrate comprises a substrate, and a black matrix and a color resistance layer which are arranged on the substrate in an array mode. When a display performance test is performed on a color film substrate or a display panel manufactured by the color film substrate, if a certain pixel point is a bright point, the bright point needs to be repaired to ensure the display performance of the color film substrate or the display panel.
On the color film substrate, the black matrix and the color resistance layer are respectively arranged in an array mode, and the black matrix is formed near the color resistance layer. When the color film substrate has bright spots, the color resistance layer corresponding to the bright spots is used as a color resistance layer to be repaired, laser is used for carrying out laser irradiation on the color resistance layer to be repaired for multiple times, organic materials of part of the color resistance layer in a laser irradiation area are gasified, and therefore a gap is formed between the color resistance layer to be repaired and the substrate.
It should be emphasized that, in the above-mentioned multiple laser processes, the time interval between two adjacent laser processes needs to be longer than a preset time. The requirement on the time interval between two adjacent laser radiuses is to ensure that the heat of the laser irradiated into the color resistance layer to be repaired and the black matrix can be effectively dissipated in the time interval, and the volume of gas generated by the organic material of the color resistance layer to be repaired and the black matrix, such as carbon dioxide gas, is shrunk, so that the overlarge volume expansion caused by the fact that the gas is heated too much is avoided, the expansion and the breakage of the color resistance layer and the black matrix caused by uneven heating in the process of generating a gap or under the action of the laser after the gap is generated are avoided, and the maintenance quality of a color film substrate or a display panel prepared by the color film substrate is ensured.
The preset time can be set according to factors such as the size of the color resistance layer, the material of the color resistance layer, the laser intensity of laser and the like, and can be obtained through multiple experiments.
And 102, granulating the black matrix adjacent to the color resistance layer to be repaired to obtain black matrix particles, and filling the black matrix particles into gaps to treat the color resistance layer to be repaired into dark spots.
The color film substrate is provided with a black matrix, the black matrix is formed near a color resistance layer, after a gap is formed between the color resistance layer to be repaired and the substrate, the black matrix attached to the color resistance layer to be repaired is subjected to granulation treatment, particularly, laser treatment can be performed on the near black matrix to obtain black matrix particles, the black matrix particles are further filled into the gap between the color resistance layer to be repaired and the substrate, the black matrix particles are formed on the color resistance layer to be repaired, and the black matrix particles shield light penetrating through the color resistance layer, so that the color resistance layer to be repaired is treated into dark spots. The processing means and the processing conditions for performing the granulation processing on the black matrix may be specifically set according to the actual situation.
Fig. 2 to fig. 5 are schematic structural diagrams of a color film substrate in an execution process of the bright point repairing method according to the embodiment of the present invention. The color film substrate shown in fig. 2 includes a substrate 1, a color resist layer 2 to be repaired, and a black matrix 3; performing laser processing on the color resist layer 2 to be repaired shown in fig. 2, and forming a gap 4 between the color resist layer 2 to be repaired and the substrate 1, wherein the obtained structure is shown in fig. 3; the structure shown in fig. 3 is subjected to granulation processing to obtain black matrix particles 5, and the obtained structure is shown in fig. 4; the obtained black matrix particles are filled in the gap 4 to complete the bright point repair, and the obtained structure is shown in fig. 5. As can be seen from fig. 2 to 5, after the bright point is repaired, the black matrix particles are located on the color resist layer to be repaired to shield the light, so as to repair the bright point into a dark point.
Further, in the bright point repairing method provided by the embodiment of the present invention, the color resist layer to be repaired may be divided into a plurality of areas, and when the color resist layer to be repaired is subjected to laser irradiation for multiple times, the plurality of areas of the color resist layer to be repaired may be subjected to laser irradiation at least once, wherein after one laser irradiation in any area is finished, the laser source is turned off, and the laser source is controlled to move to the next area for laser irradiation after a preset time period.
If each area needs to be subjected to laser processing for multiple times, laser processing can be performed on one area, and then laser processing can be performed on the next area, and for the same area, the laser line of the laser processing for multiple times can be a serpentine line or other applicable lines; or, sequentially carrying out laser treatment on each area once, then sequentially carrying out laser treatment on each area once again, and repeating the process until the laser treatment on all the areas is completed; other suitable laser processing methods are also possible.
When a certain area is specifically processed, the laser source can be closed after one-time laser processing is finished, the closed laser source can be placed on the area, and the laser source is opened after a preset time; or the closed laser source can be moved to other positions, and is moved back to the area after the preset time, the laser source is started, and the area is subjected to the next laser processing; after laser processing of the area is completed, the laser source can be closed, the laser source is controlled to move to the next area after the preset time, then the laser source is opened, and laser processing is performed on the next area.
The step of controlling the laser source to move to the next laser color resistance area after the preset time period may specifically include: and controlling the laser source to move to the next laser color resistance area after the preset time according to the preset path. The preset path is a preset laser source moving path, and the specific content of the preset path can be set according to the actual situation.
For example, fig. 6 is a circuit diagram of a laser source when performing laser on a color resistance layer to be repaired in the bright point repairing method provided in the embodiment of the present invention. In fig. 6, a route a is a route when the laser light emitted by the laser light source performs laser irradiation on the first area of the color resist layer to be repaired, a route c is a route when the laser light emitted by the laser light source performs laser irradiation on the second area of the color resist layer to be repaired, a route b is one moving route of the laser light source which is turned off, and a route d is another moving route of the laser light source which is turned off.
In the specific operation, after the laser finishes primary laser treatment on the first area, the laser source can be closed, the laser source is controlled to move along the route b, the laser source performs idle running, the laser source moves to the second area after a preset time, the laser source is opened, the laser source is controlled to move along the route c, and primary laser treatment on the second area is finished; further, after the laser processing of the second area is completed, the laser source can be closed, the laser source is controlled to move along the route d, the laser source performs idle running, the laser source moves to the first area after the preset time length, the laser source is opened, the laser source is controlled to move along the route a, the laser processing of the first area is performed for the second time, according to the method, the laser processing of the first area and the laser processing of the second area are finally completed, and finally a gap is formed between the color resist layer to be repaired and the substrate.
The preset time can be set according to factors such as the size of the color resistance layer, the material of the color resistance layer, the laser intensity and the like, and can be obtained through multiple experiments. Preferably, the preset time is longer than or equal to 10s, and then the heat of the laser irradiated into the color resistance layer and the black matrix to be repaired can be effectively dissipated within the time interval, so that the expansion and fracture of the color resistance layer and the black matrix caused by uneven heating in the process of generating a gap or under the action of the laser after the gap is generated are avoided, and the maintenance quality of the color film substrate or the display panel prepared from the color film substrate is ensured.
The step of performing granulation processing on the black matrix adjacent to the color resist layer to be repaired to obtain black matrix particles, and filling the black matrix particles into the gap may specifically include: and (3) granulating the black matrix surrounding the color resistance layer to be repaired in sequence to obtain black matrix particles, and filling the black matrix particles into the gaps.
The color resistance layer is usually in a rectangular structure, and in the granulation treatment process of the black matrix, the black matrix on two sides of the long side of the color resistance layer to be repaired can be granulated firstly, the obtained long-side black matrix particles are filled into the gap, then the black matrix on two sides of the short side of the color resistance layer to be repaired is granulated, and the obtained short-side black matrix particles are filled into the gap; or processing the black matrixes on the two sides of the short side of the color resistance layer to be repaired, and then processing the black matrixes on the two sides of the long side of the color resistance layer to be repaired; the black matrix processing sequence may be set according to practice.
When black matrix is handled in the miniaturation, can use the light-passing board, be provided with hollow out construction on the light-passing board, the light-passing board is placed in laser light path, and partial laser that the laser source sent passes through hollow out construction and shines on the black matrix, carries out the miniaturation to the black matrix. The process of graining the black matrix around the color resist layer to be repaired is shown in fig. 7, and each line in fig. 7 indicates the laterally shifted position of the laser light source.
By using the black matrix processing method, a large number of black matrix particles can be obtained, so that the gap between the color resistance layer and the substrate is tightly filled, and the repair effect of the bright dot pixels is ensured. Based on the processing structure, even if liquid crystal permeates, the black matrix particles in the gap are tightly filled, so that the black matrix particles cannot be agglomerated and the like, and the light leakage phenomenon cannot occur, so that the repair effect of the bright point pixel is greatly improved.
In the specific operation, when the laser is carried out on the black matrix adjacent to the short side of the color resistance layer to be repaired, the distance between the boundary of the laser area and the adjacent short side is 0-1 μm.
Fig. 8 is a schematic diagram illustrating a positional relationship between a laser area boundary and an adjacent short edge in the bright spot repairing method according to the embodiment of the present invention. As shown in fig. 8, when the black matrixes on both sides of the short side of the color resist layer to be repaired are subjected to the granulation processing, the laser area subjected to the laser processing can be an area a or an area B, and when the laser area is the area a, the distance d1 between the boundary a1 of the laser area and the adjacent short side M1 is 0-1 μ M; when the laser area is the area B, the distance d2 between the laser area boundary A2 and the adjacent short side M2 is 0-1 μ M, and the black matrix is granulated in the laser area range, so that a good gap filling effect can be obtained, and a good bright point repairing effect can be obtained.
Before the laser is performed on the color resist layer to be repaired for multiple times, the bright point repairing method may further include: and preheating the color resistance layer to be repaired and the adjacent black matrix. Specifically, the step of performing the pre-heating treatment on the color resist layer to be repaired and the black matrix adjacent to the color resist layer to be repaired may include: the sum of the areas of the color resistance layer to be repaired and the adjacent black matrix after preheating treatment is 4-5 times of the area of the color resistance layer to be repaired.
The color resistance layer and the black matrixes around the color resistance layer are subjected to large-area preheating treatment, so that the phenomenon that when the color resistance layer to be repaired is subjected to laser, the volume expansion of the black matrixes is too large due to the fact that a large amount of heat is absorbed in a short time can be effectively prevented, the color resistance layer and the black matrixes are prevented from being expanded and broken due to uneven heating in the process of generating gaps or under the action of laser after the gaps are generated, and the repair effect of bright point pixels is guaranteed.
Further, the base plate can comprise a substrate and a spacer layer, and the spacer layer is arranged between the substrate and the color resistance layer.
When the color resistance layer to be repaired is subjected to laser processing, a gap is formed between the spacer layer and the color resistance layer, and the black matrix particles are formed in the gap between the spacer layer and the color resistance layer. The spacer layer can absorb a part of laser energy, so that the radiation energy of laser to the color resistance layer to be repaired and the adjacent black matrix is reduced, the thickness of the black matrix after the laser action is enough to deal with heat diffusion and subsequent use, and the processing quality of laser processing is ensured.
The material selection and the size selection of the spacer layer can be set according to the actual situation, and all the spacer layers suitable for the embodiment of the invention are feasible.
The embodiment of the invention also provides a color film substrate which comprises a substrate, black matrixes arrayed on the substrate and a color resistance layer repaired by applying the bright point repairing method provided by the embodiment of the invention.
Because the color resistance layer in the color film substrate is repaired by the bright point repairing method provided by the embodiment of the invention, no gap is generated between the repaired color resistance layer and the adjacent black matrix, black matrix particles can be tightly formed in the gap between the color resistance layer and the substrate, the bright point of the color film substrate is repaired to be a dark point, and the display performance of the repaired color film substrate meets the requirement.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The bright spot repairing method and the color film substrate provided by the invention are described in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. The bright spot repairing method is applied to a color film substrate, the color film substrate comprises a substrate, and a black matrix and a color resistance layer which are arranged on the substrate in an array manner, the substrate comprises a substrate and a spacer layer, and the spacer layer is arranged between the substrate and the color resistance layer; the method comprises the following steps:
performing multiple laser on the color resistance layer to be repaired to form a gap between the color resistance layer to be repaired and the substrate, wherein the time interval between two adjacent laser is longer than the preset time;
granulating the black matrix adjacent to the color resistance layer to be repaired to obtain black matrix particles, and filling the black matrix particles into the gap to treat the color resistance layer to be repaired into dark points;
the granulating treatment of the black matrix adjacent to the color resistance layer to be repaired comprises the following steps:
placing the light-transmitting plate provided with the hollow structure on a laser light path, and irradiating partial laser emitted by a laser source to the black matrix through the hollow structure of the light-transmitting plate;
wherein the preset time length is greater than or equal to 10 s.
2. The method of claim 1, wherein the laser irradiating the color resist layer to be repaired a plurality of times comprises:
respectively carrying out at least one laser on a plurality of areas of the color resistance layer to be repaired; and after the laser in any area is finished, closing the laser source, and controlling the laser source to move to the next area for laser after a preset time.
3. The method of claim 2, wherein the controlling the laser source to move to the color-resistance area of the next laser after a preset time period comprises:
and controlling the laser source to move to the next laser color resistance area after the preset time according to a preset path.
4. The method of claim 1, wherein the granulating the black matrix adjacent to the color resist layer to be repaired to obtain black matrix particles, and the filling the black matrix particles into the gaps comprises:
and carrying out granulation treatment on the black matrix surrounding the periphery of the color resistance layer to be repaired in sequence to obtain black matrix particles, and filling the black matrix particles into the gap.
5. The method of claim 4, wherein when laser-irradiating the black matrix adjacent to the short side of the color resist layer to be repaired, the distance between the boundary of the laser area and the adjacent short side is 0-1 μm.
6. The method of claim 1, wherein prior to said laser lasering the photoresist layer to be repaired multiple times, the method further comprises:
and preheating the color resistance layer to be repaired and the adjacent black matrix.
7. The method of claim 6, wherein the pre-heating the color resist layer to be repaired and the adjacent black matrix comprises:
the sum of the areas of the color resistance layer to be repaired and the adjacent black matrix is 4-5 times of the area of the color resistance layer to be repaired.
8. A color filter substrate comprising a substrate and a black matrix arranged in an array on the substrate, characterized by further comprising a color resist layer repaired by the method of any one of claims 1 to 7.
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| CN201710940347.8A CN107450209B (en) | 2017-09-30 | 2017-09-30 | Bright spot repairing method and color film substrate |
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| CN201710940347.8A CN107450209B (en) | 2017-09-30 | 2017-09-30 | Bright spot repairing method and color film substrate |
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| CN107450209B true CN107450209B (en) | 2021-01-15 |
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| CN101446700A (en) * | 2007-11-30 | 2009-06-03 | 乐金显示有限公司 | Color filter of LCD and manufacturing method thereof |
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