CN104298009A - Spacer, display panel, display device and manufacturing method of display panel - Google Patents
Spacer, display panel, display device and manufacturing method of display panel Download PDFInfo
- Publication number
- CN104298009A CN104298009A CN201410432224.XA CN201410432224A CN104298009A CN 104298009 A CN104298009 A CN 104298009A CN 201410432224 A CN201410432224 A CN 201410432224A CN 104298009 A CN104298009 A CN 104298009A
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- chock insulator
- insulator matter
- sub
- array base
- base palte
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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
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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
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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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a spacer, a display panel, a display device and a manufacturing method of the display panel, and relates to the field of display technologies. The spacer is arranged between a pair-box substrate and an array substrate. The spacer comprises a plurality of subsidiary spacers and connection parts connecting every two adjacent subsidiary spacers, wherein the subsidiary spacers and the connection parts form a whole. The display panel comprises the pair-box substrate and the array substrate. The spacer is arranged between the pair-box substrate and the array substrate. The integrated spacer is manufactured between the pair-box substrate and the array substrate, contact mura caused by movement of the spacer is prevented, gravity mura caused by excessive liquid crystal filling is also avoided, the problems of the dark state and light leakage of an LCD screen are solved, and display quality is improved.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of chock insulator matter, comprise the display panel of this chock insulator matter, comprise the method for making of the display device of this display panel and display panel.
Background technology
The displaying principle of liquid crystal display mainly utilizes electric field to carry out tropism control to liquid crystal molecule, the refractive anisotrop of liquid crystal makes transmitance change, thus show, its primary structure is by array base palte, form a few major parts such as box substrate, polaroid, backlight and liquid crystal.Most importantly array base palte and the molding process to box substrate in the manufacturing process of liquid crystal display.In one-tenth box process, first coated with orientation membrane material on two substrates, and by corresponding orientation process, liquid crystal molecule can be arranged on two substrates in some way, then shaped by two substrates to box technique through vacuum, box is thick to be controlled by chock insulator matter.
At present, chock insulator matter can be divided into two large classes according to shape: spherical chock insulator matter (Ball Spacer is called for short BS) and cylindrical spacer (Post Spacer is called for short PS).BS is dispersed in array base palte by spray pattern or on box substrate, because the distribution process randomness of BS is very large, especially for the substrate that size is large, the density homogeneity of BS can be difficult to control, thus the homogeneity causing panel box thick reduces.On the other hand, the random scatter of BS causes after panel completes, and has quite a few BS to be present in the open area of pixel, therefore can produce harmful effect to the display characteristic of display, as made the contrast of display reduce, or cause bright spot bad multiple because BS moves.
As shown in Figure 1, chock insulator matter 13 is positioned on box substrate 12 cylindrical spacer of existing use.When to box substrate 12 and array base palte 11 stressed time there is relative displacement, as shown in Figure 2, this displacement makes chock insulator matter 13 change with the contact situation of array base palte 11.When external force is cancelled, because each interlayer section of having difference that array base palte 11 deposits exists, chock insulator matter is subject to the stop of these section of difference in displacement rejuvenation, displacement is made to be difficult to recover, thus cause the black matrix 14 in the position that displacement is larger not shelter from light, finally create light leakage phenomena, the main cause that contact moire (Mura) that Here it is produces.Therefore, the deficiency of the chock insulator matter of independent distribution is apparent.
Above-mentioned light leakage phenomena is especially obvious when dark-state, because the contrast impact of dark-state light leak on liquid crystal display is very large, each producer all find a kind of can the method for effective improved dark state light leak, do not affect overall display effect, but the current method also do not made the best of both worlds simultaneously yet.A kind of known method is had to be control chock insulator matter by increase amount of liquid crystal to move at present, with improved dark state light leak, but this method can because the increase of amount of liquid crystal causes gravity moire (Mura), especially show after product places for a long time, this bad phenomenon is more obvious, and display quality is affected.
Summary of the invention
The object of the present invention is to provide the method for making of a kind of chock insulator matter, display panel, display device and display panel, improve the dark-state light leak bad phenomenon of LCDs.
For solving the problems of the technologies described above, as first aspect of the present invention, a kind of chock insulator matter is provided, for being arranged between box substrate and array base palte, described chock insulator matter comprises multiple sub-chock insulator matter and the connecting portion being connected adjacent two described sub-chock insulator matters, and described sub-chock insulator matter and described connecting portion form as one.
Preferably, the height of described connecting portion is less than the height of coupled described sub-chock insulator matter.
Preferably, described sub-chock insulator matter is column.
Preferably, described sub-chock insulator matter comprises main sub-chock insulator matter and time straw cord for bundling up rice or wheat stalks chock insulator matter, the height of described main sub-chock insulator matter is greater than the height of described straw cord for bundling up rice or wheat stalks chock insulator matter, one end of described main sub-chock insulator matter is used for being connected with described array base palte, and the other end of described main sub-chock insulator matter is used for being connected to box substrate with described.
As second aspect of the present invention, also provide a kind of display panel, comprise box substrate and array base palte, be describedly provided with chock insulator matter between box substrate and described array base palte, described chock insulator matter is above-mentioned chock insulator matter provided by the present invention.
As the 3rd aspect of the present invention, a kind of display device is also provided, comprises above-mentioned display panel provided by the present invention.
As the 4th aspect of the present invention, a kind of method for making of display panel is also provided, comprises the following steps:
Array base palte is provided;
There is provided box substrate;
Chock insulator matter is set, described chock insulator matter described array base palte and described to box substrate between, and described chock insulator matter is above-mentioned chock insulator matter provided by the invention.
Preferably, described chock insulator matter is arranged on above the grid line of described array base palte, and the described step arranging chock insulator matter comprises:
Described array base palte is formed chock insulator matter resin bed;
Photoetching is carried out to described chock insulator matter resin bed, forms described chock insulator matter.
Preferably, the step that described chock insulator matter resin bed carries out photoetching is specifically comprised:
Intermediate tone mask plate is used to expose described chock insulator matter resin bed;
Chock insulator matter resin bed after exposure is developed and cleaned, forms described chock insulator matter.
Preferably, the height of described connecting portion is less than the height of coupled described sub-chock insulator matter, described intermediate tone mask plate is 30%-100% for the formation of the light transmission rate in the region of described sub-chock insulator matter, and described intermediate tone mask plate is 10%-50% for the formation of the light transmission rate in the region of described connecting portion.
Preferably, described sub-chock insulator matter comprises main sub-chock insulator matter and time straw cord for bundling up rice or wheat stalks chock insulator matter, the height of described main sub-chock insulator matter is greater than the height of described straw cord for bundling up rice or wheat stalks chock insulator matter, described intermediate tone mask plate is 50%-100% for the formation of the light transmission rate in the region of described main sub-chock insulator matter, and described intermediate tone mask plate is 30%-50% for the formation of the light transmission rate in the region of described straw cord for bundling up rice or wheat stalks chock insulator matter.
The present invention by array base palte and to box substrate between the chock insulator matter of being made into one, prevent because chock insulator matter moves the contact moire caused, also avoid the gravity moire caused because liquid crystal overcharges simultaneously, improve the dark-state light leak bad phenomenon of LCDs, improve the overall display quality of LCDs.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.
Fig. 1 is the schematic diagram of the chock insulator matter used in prior art;
Fig. 2 is the variable condition schematic diagram of chock insulator matter when display panel is stressed in prior art;
Fig. 3 is the schematic diagram of the chock insulator matter that the embodiment of the present invention provides;
Fig. 4 is intermediate tone mask plate exposure principle schematic;
Fig. 5 is the Making programme schematic diagram of the display panel that the embodiment of the present invention provides;
In the accompanying drawings, 11: array base palte: 12: to box substrate; 13: chock insulator matter of the prior art; 14: black matrix; 23: chock insulator matter provided by the invention; 301: sub-chock insulator matter; 302: connecting portion; 400: main sub-chock insulator matter; 500: secondary straw cord for bundling up rice or wheat stalks chock insulator matter; 15: chock insulator matter resin bed; 16: intermediate tone mask plate.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
First the present invention provides a kind of chock insulator matter, and as shown in Figure 3, described chock insulator matter 23 comprises multiple sub-chock insulator matter 301 and the connecting portion 302 being connected adjacent two sub-chock insulator matters 301, and multiple sub-chock insulator matter 301 and multiple connecting portion 302 form as one.Chock insulator matter 23 is arranged on usually between box substrate and array base palte.If be provided with color filter film described on box substrate, be then called color membrane substrates, so chock insulator matter 23 is arranged between described color membrane substrates and described array base palte, is normally arranged on described array base palte.
In the present invention, chock insulator matter 23 has integrated strip structure.When display panel is subject to External Force Acting, the trend of relative displacement can be produced to box substrate and array base palte, therefore, chock insulator matter 23 will be subject to the power come from box substrate or array base palte, chock insulator matter 23 is made also to produce along with the trend to box substrate or array base palte movement, because chock insulator matter 23 has the strip structure of integration, therefore, adjacent two sub-chock insulator matters 301 are subject to the connection function of the connecting portion 302 be connected between these two sub-chock insulator matters, therefore, relative movement between adjacent two sub-chock insulator matters 301 can be restricted, and then also limit the relative movement between box substrate and array base palte, thus reduce the relative displacement between box substrate and array base palte, avoid the dark-state light leak bad phenomenon caused because the chock insulator matter 13 of independent distribution moves in prior art, namely prevent to some extent contact moire, improve the dark-state light leak bad phenomenon of LCDs.
On the other hand, control chock insulator matter 13 usually through increase amount of liquid crystal in prior art and move, but this method can because the increase of amount of liquid crystal causes gravity moire.In the present invention, without the need to increasing amount of liquid crystal to array base palte with between box substrate, therefore present invention also avoids the gravity moire caused because increasing amount of liquid crystal, improve the display quality of LCDs.
In the present invention, the height of connecting portion 302 is less than the height of coupled sub-chock insulator matter 301.Sub-chock insulator matter 301 can be cylindrical spacer, and its shape is the right cylinder that apex area is little, bottom area is large.Sub-chock insulator matter 301 comprises main sub-chock insulator matter 400 and time straw cord for bundling up rice or wheat stalks chock insulator matter 500 further, and the height of main sub-chock insulator matter 400 is greater than the height of time straw cord for bundling up rice or wheat stalks chock insulator matter 500.One end of main sub-chock insulator matter 400 is used for being connected with array base palte, and the other end is used for being connected with to box substrate.
The effect of above-mentioned main sub-chock insulator matter 400 is the thickness maintaining liquid crystal cell, and at array base palte with complete box substrate after to box technique, main sub-chock insulator matter 400 simultaneously with described array base palte with describedly to contact to box substrate, thus maintains the thickness of liquid crystal cell.
External force is alleviated in the effect of above-mentioned straw cord for bundling up rice or wheat stalks chock insulator matter 500.When display panel is subject to External Force Acting; liquid crystal cell inwardly can shrink because of External Force Acting; causing the thickness of liquid crystal cell to reduce, be not damaged to protect liquid crystal cell and maintain its original optical characteristics, needing time straw cord for bundling up rice or wheat stalks chock insulator matter 500 to resist external force when there being External Force Acting.
Present invention also offers a kind of display panel, comprise box substrate and array base palte, be describedly provided with chock insulator matter between box substrate and described array base palte, wherein, described chock insulator matter is above-mentioned chock insulator matter provided by the present invention.Color filter film is provided with on box substrate if described, then be called color membrane substrates, so described display panel comprises color membrane substrates and array base palte, is provided with chock insulator matter between described color membrane substrates and described array base palte, wherein, described chock insulator matter is above-mentioned chock insulator matter provided by the present invention.Described chock insulator matter is preferably arranged on above the grid line of described array base palte.
Present invention also offers a kind of display device, comprise above-mentioned display panel provided by the present invention.
As mentioned above, display panel provided by the invention and display device are owing to have employed novel integrated chock insulator matter, the chock insulator matter that effectively prevent because scattering moves the contact moire caused, improve dark-state light leakage phenomena, also avoid in prior art simultaneously and increase for overcoming above-mentioned contact moire the gravity moire that amount of liquid crystal brings, improve display quality.
Present invention also offers a kind of method for making of display panel, the method comprises the following steps:
S1, provide array base palte;
S2, provide box substrate;
S3, chock insulator matter is set, described chock insulator matter described array base palte and described to box substrate between, and described chock insulator matter is above-mentioned chock insulator matter provided by the present invention.If be provided with color filter film described on box substrate, be then called color membrane substrates, so described chock insulator matter is arranged between described array base palte and described color membrane substrates.
In order to obtain better display effect, described chock insulator matter is preferably arranged on above the grid line of described array base palte.
Wherein, the step arranging chock insulator matter described in step S3 specifically comprises:
S31, on described array base palte, form chock insulator matter resin bed;
S32, described chock insulator matter resin bed carried out to exposure and carve, form described chock insulator matter.
In above-mentioned steps S32, the step that described chock insulator matter resin bed carries out photoetching is specifically comprised:
S321, use intermediate tone mask plate expose described chock insulator matter resin bed;
S322, to exposure after chock insulator matter resin bed develop and clean, form described chock insulator matter.
Different from traditional chock insulator matter mask plate, intermediate tone mask version (Half tone mask) is that the transit dose by controlling light realizes different exposure intensity and then realizes the exposure method of different photosensitive gradients.The transit dose of light can be controlled by the thickness of lines that control intermediate tone mask version is in the light, or by using the material with different light transmission rate to make intermediate tone mask plate.
Fig. 4 is intermediate tone mask plate exposure principle schematic, and in the region that light transmission rate is different, the chock insulator matter height formed after exposure imaging is different.As can be seen from the figure, the region chock insulator matter resin being 100% at light transmission rate is retained completely, and the region chock insulator matter resin being 0% at light transmission rate is completely removed, and then forms the chock insulator matter of height between the above two in the region that light transmission rate is X%.Usually, when the light transmission amount of intermediate tone mask version is 50%, can the chock insulator matter of height of formation about 2 μm after the exposure of chock insulator matter resin bed, when the light transmission amount of intermediate tone mask version is 90%, can the chock insulator matter of height of formation about 3 μm after the exposure of chock insulator matter resin bed.
Elaborate with the method for making of a specific embodiment to display panel provided by the invention below.Fig. 5 is the Making programme schematic diagram of the display panel that the embodiment of the present invention provides.
First, array base palte 11 is provided, described array base palte can be the array base palte adopting traditional handicraft to complete, and the structural sheet of described array base palte 11 comprises: grid, gate insulator, gate data line, active layer, source-drain electrode layer, data line and passivation layer etc.
Then on above-mentioned array base palte 11, form chock insulator matter resin bed 15, the method forming described chock insulator matter resin bed 15 can be spin-coating method (Spin coating), spraying process (Spray coating) or slot coated method (Slit coating).
Intermediate tone mask plate 16 is used to carry out exposure-processed to above-mentioned chock insulator matter resin bed 15 afterwards.After having exposed, carry out developing and cleaning treatment, obtain the integrated chock insulator matter 23 be formed on array base palte 11.
As mentioned above, integrated chock insulator matter 23 comprises multiple sub-chock insulator matter 301 and multiple connecting portion 302, and the height of connecting portion 302 is less than the height of coupled sub-chock insulator matter 301.Therefore, intermediate tone mask plate 16 is 30%-100% for the formation of the light transmission rate in the region of sub-chock insulator matter 301, intermediate tone mask plate 16 is 10%-50% for the formation of the light transmission rate in the region of connecting portion 302.
Further, described sub-chock insulator matter 301 comprises main sub-chock insulator matter 400 and time straw cord for bundling up rice or wheat stalks chock insulator matter 500, and the height of main sub-chock insulator matter 400 is greater than the height of time straw cord for bundling up rice or wheat stalks chock insulator matter 500.Therefore, intermediate tone mask plate 16 is 50%-100% for the formation of the light transmission rate in the region of main sub-chock insulator matter 400, intermediate tone mask plate 16 is 30%-50% for the formation of the light transmission rate in the region of secondary straw cord for bundling up rice or wheat stalks chock insulator matter 500.
Finally, by through above-mentioned a series of process array base palte 11 with complete CELL technique is carried out to box substrate (or color membrane substrates) 12, comprise PI, Rubbing and Ass ' y, obtain display panel.
The chock insulator matter of manufacture method by using intermediate tone mask plate to produce integration on array base palte of display panel provided by the invention, not only can prevent the chock insulator matter because of traditional independent distribution from moving and the contact moire caused, the gravity moire caused because liquid crystal overcharges can also be improved to a certain extent, and then improve the dark-state light leak bad phenomenon of LCDs, improve display quality.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (11)
1. a chock insulator matter, for being arranged between box substrate and array base palte, is characterized in that, described chock insulator matter comprises multiple sub-chock insulator matter and the connecting portion being connected adjacent two described sub-chock insulator matters, and described sub-chock insulator matter and described connecting portion form as one.
2. chock insulator matter according to claim 1, is characterized in that, the height of described connecting portion is less than the height of coupled described sub-chock insulator matter.
3. chock insulator matter according to claim 1 and 2, is characterized in that, described sub-chock insulator matter is column.
4. chock insulator matter according to claim 1 and 2, it is characterized in that, described sub-chock insulator matter comprises main sub-chock insulator matter and time straw cord for bundling up rice or wheat stalks chock insulator matter, the height of described main sub-chock insulator matter is greater than the height of described straw cord for bundling up rice or wheat stalks chock insulator matter, one end of described main sub-chock insulator matter is used for being connected with described array base palte, and the other end of described main sub-chock insulator matter is used for being connected to box substrate with described.
5. a display panel, comprises box substrate and array base palte, is describedly provided with chock insulator matter between box substrate and described array base palte, it is characterized in that, the chock insulator matter of described chock insulator matter according to any one of claim 1-4.
6. a display device, is characterized in that, comprises display panel according to claim 5.
7. a method for making for display panel, is characterized in that, described method for making comprises:
Array base palte is provided;
There is provided box substrate;
Chock insulator matter is set, described chock insulator matter described array base palte and described to box substrate between, and the chock insulator matter of described chock insulator matter according to any one of claim 1-4.
8. method for making according to claim 7, is characterized in that, described chock insulator matter is arranged on above the grid line of described array base palte, and the described step arranging chock insulator matter comprises:
Described array base palte is formed chock insulator matter resin bed;
Photoetching is carried out to described chock insulator matter resin bed, forms described chock insulator matter.
9. method for making according to claim 8, is characterized in that, specifically comprises the step that described chock insulator matter resin bed carries out photoetching:
Intermediate tone mask plate is used to expose described chock insulator matter resin bed;
Chock insulator matter resin bed after exposure is developed and cleaned, forms described chock insulator matter.
10. method for making according to claim 9, it is characterized in that, the height of described connecting portion is less than the height of coupled described sub-chock insulator matter, described intermediate tone mask plate is 30%-100% for the formation of the light transmission rate in the region of described sub-chock insulator matter, and described intermediate tone mask plate is 10%-50% for the formation of the light transmission rate in the region of described connecting portion.
11. method for makings according to claim 9, it is characterized in that, described sub-chock insulator matter comprises main sub-chock insulator matter and time straw cord for bundling up rice or wheat stalks chock insulator matter, the height of described main sub-chock insulator matter is greater than the height of described straw cord for bundling up rice or wheat stalks chock insulator matter, described intermediate tone mask plate is 50%-100% for the formation of the light transmission rate in the region of described main sub-chock insulator matter, and described intermediate tone mask plate is 30%-50% for the formation of the light transmission rate in the region of described straw cord for bundling up rice or wheat stalks chock insulator matter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410432224.XA CN104298009A (en) | 2014-08-28 | 2014-08-28 | Spacer, display panel, display device and manufacturing method of display panel |
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| CN201410432224.XA CN104298009A (en) | 2014-08-28 | 2014-08-28 | Spacer, display panel, display device and manufacturing method of display panel |
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| CN104298009A true CN104298009A (en) | 2015-01-21 |
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| CN201410432224.XA Pending CN104298009A (en) | 2014-08-28 | 2014-08-28 | Spacer, display panel, display device and manufacturing method of display panel |
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| CN105182627A (en) * | 2015-10-23 | 2015-12-23 | 京东方科技集团股份有限公司 | Isolation pad, display panel, method for manufacturing display panel, and display device |
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| CN105182627A (en) * | 2015-10-23 | 2015-12-23 | 京东方科技集团股份有限公司 | Isolation pad, display panel, method for manufacturing display panel, and display device |
| WO2017067363A1 (en) * | 2015-10-23 | 2017-04-27 | 京东方科技集团股份有限公司 | Spacer, display panel, manufacturing method thereof, and display device using same |
| CN106154651A (en) * | 2016-09-14 | 2016-11-23 | 厦门天马微电子有限公司 | A kind of touch-control display panel |
| CN106647052A (en) * | 2017-02-28 | 2017-05-10 | 京东方科技集团股份有限公司 | Colorful film base plate, preparation method and display panel |
| WO2018214198A1 (en) * | 2017-05-23 | 2018-11-29 | 深圳市华星光电技术有限公司 | Manufacturing method and mask for liquid-crystal display panel having one-piece black matrix and photoresist spacer |
| CN109633991A (en) * | 2019-01-09 | 2019-04-16 | 惠科股份有限公司 | A kind of display panel and display device |
| CN113946073A (en) * | 2020-06-30 | 2022-01-18 | 京东方科技集团股份有限公司 | Display device and manufacturing method thereof |
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