WO2015014078A1 - 一种制造彩色滤光片的方法和彩色滤光片 - Google Patents
一种制造彩色滤光片的方法和彩色滤光片 Download PDFInfo
- Publication number
- WO2015014078A1 WO2015014078A1 PCT/CN2013/089587 CN2013089587W WO2015014078A1 WO 2015014078 A1 WO2015014078 A1 WO 2015014078A1 CN 2013089587 W CN2013089587 W CN 2013089587W WO 2015014078 A1 WO2015014078 A1 WO 2015014078A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- color filter
- layer
- substrate
- glass substrate
- alignment mark
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/12—Optical coatings produced by application to, or surface treatment of, optical elements by surface treatment, e.g. by irradiation
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
- G03F7/0007—Filters, e.g. additive colour filters; Components for display devices
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
- G03F9/7073—Alignment marks and their environment
- G03F9/7084—Position of mark on substrate, i.e. position in (x, y, z) of mark, e.g. buried or resist covered mark, mark on rearside, at the substrate edge, in the circuit area, latent image mark, marks in plural levels
Definitions
- the present invention relates to the field of manufacturing color filters, and more particularly to a method of fabricating a color filter and a color filter.
- CF Coior Filter
- BM black matrix
- R red color filter film
- G green color filter film
- B blue color filter film
- PS separator
- FIG. 1 is a schematic diagram of alignment between a mask and a glass substrate in the prior art
- the alignment mark 1 can be fabricated. In the white glass region of the substrate, so that the reticle is aligned with the glass substrate.
- the so-called large-size panel refers to the case where the panel cannot be completely exposed at one time by using the mask, that is, the panel can be completely exposed after being spliced and exposed multiple times using the mask.
- the present invention provides a method of manufacturing a color filter and a color filter which can be used for the manufacture of a color filter of a large panel.
- a method of fabricating a color filter comprising:
- the method for manufacturing a color light sheet further includes:
- a first exposure developing process is performed to form a color filter layer on the first substrate pattern layer of the glass substrate.
- the step of performing a first exposure and development process according to the alignment mark to form a color filter layer on the first substrate pattern layer of the glass substrate comprises:
- the first color filter layer, the second color filter layer, and the first color filter layer a red filter layer, a green filter layer, and a blue filter layer;
- the first color filter layer, the second color filter layer, and the first color filter layer a red filter layer, a blue filter layer, and a green filter layer;
- the first color filter layer, the second color filter layer, and the first color filter layer a blue filter layer, a red filter layer, and a green filter layer;
- the first color filter layer, the second color filter layer, and the first color filter layer a blue filter layer, a green filter layer, and a red filter layer;
- the first color filter layer, the second color filter layer, the first color filter layer a green filter layer, a red filter layer, and a blue filter layer; or
- the first color filter layer, the second color filter layer, and the first color filter layer Green filter layer, blue filter layer and red filter layer.
- the method for manufacturing a color filter further includes:
- a color filter including a glass substrate on which a first substrate pattern layer is disposed, and an alignment mark is disposed in a pixel opening region of the first substrate pattern layer.
- the alignment mark is a figure having an area of less than or equal to 2500 square micrometers, and the figure is any one of a rectangle, a circle, a triangle, or a polygon.
- the alignment mark is a square having a side length of less than or equal to 50 microns.
- the first substrate pattern layer further includes: a black matrix, where the pixel opening area is formed on a portion of the glass substrate that is not covered by the black matrix.
- a color filter layer is disposed on the first substrate pattern layer.
- a spacer pattern layer is disposed on the color filter layer.
- the alignment mark is disposed in the pixel opening region of the first substrate pattern layer.
- the alignment mark is used to align the mask to the substrate, and the alignment mark does not need to occupy an additional position, which can be applied to There are no white glass scenes when producing large panel color filters.
- FIG. 1 is a schematic diagram of alignment of a mask and a glass substrate in the prior art
- FIG. 2 is a schematic flow chart of an embodiment of a method for preparing a color filter according to the present invention
- Figure 3 is a plan view showing the color filter after the process of step 23;
- FIG. 4 is a cross-sectional view of the color filter in the AA direction after the process of step 23;
- FIG. 5 is a plan view of the color filter in the A-A direction after the process of step 25;
- FIG. a cross-sectional view of a color filter after the 25th process;
- Figure ⁇ shows a top view of the color filter after the process of step 27;
- Figure 8 is a cross-sectional view showing the color filter in the A-A direction after the process of the step 27;
- Figure 9 is a cross-sectional view showing the color filter in the B-B direction after the process of the step 27;
- a method of manufacturing a color filter according to the present invention will be described below with reference to Figs. As shown in FIG. 2, the method includes:
- Step 21 providing a glass substrate 61
- Step 22 providing a black matrix material on the glass substrate 61;
- Step 23 exposing the black matrix material to form a first substrate pattern layer, the first substrate pattern layer comprising: a black matrix 21, an alignment mark 22, and a pixel opening region; wherein, the glass substrate is not The pixel opening area is formed by a portion covered by the black matrix, and the alignment mark is located in the pixel opening area.
- Fig. 3 is a plan view showing the color filter after the step 23 process;
- Fig. 4 is a cross-sectional view showing the color filter in the A-A direction after the step 23 process.
- the alignment mark is created while the black matrix is being produced. It is to be noted that the alignment mark is prepared simultaneously with the black matrix, and the method for preparing the black matrix is the same as that of the black matrix by using the pattern of the alignment mark on the used mask. And, the material of the alignment mark is the same as the material of the black matrix.
- the method for manufacturing a color filter further comprises:
- Step 24 coating a first layer of photoresist on the first substrate pattern layer
- Step 25 Perform a first exposure and development process according to the alignment mark to form a color filter layer on the first substrate pattern layer of the glass substrate.
- Step 25 is specifically: coating a first layer of photoresist on the first substrate pattern layer;
- a third color filter layer 33 is formed on the pattern layer.
- the first color filter layer 31, the second color filter layer 32, and the third color filter layer 33 are respectively a red filter layer, a green filter layer, and a blue filter layer;
- the first color filter layer 31, the second color filter layer 32, and the third color filter layer 33 are a red filter layer, a blue filter layer, and a green filter layer, respectively.
- the first color filter layer 31, the second color filter layer 32, and the third color filter layer 33 are a blue color filter layer, a red filter layer, and a green filter layer, respectively.
- the first color filter layer 31, the second color filter layer 32, and the third color filter layer 33 are a blue color filter layer, a green filter layer, and a red filter layer, respectively.
- the first color filter layer 31, the second color filter layer 32, and the third color filter layer 33 are a green filter layer, a red filter layer, and a blue filter layer, respectively.
- the first color filter layer 31, the second color filter layer 32, and the third color filter layer 33 are a green filter layer, a blue filter layer, and a red filter layer, respectively.
- Fig. 5 is a plan view showing the color filter in the A A direction after the step 25 process
- Fig. 6 is a cross-sectional view showing the color filter after the step 25 process.
- the method for manufacturing a color filter further includes:
- Step 26 coating a fourth layer of photoresist on the color filter layer
- Step 27 according to the alignment mark, placing a fourth mask on the glass substrate coated with the fourth layer of photoresist, performing a second exposure and development process on the glass substrate
- a spacer pattern layer 51 is formed on the color filter layer.
- Figure 7 illustrates a top view of the color filter after the process of step 27.
- Figure 8 is a cross-sectional view showing the color filter in the AA direction after the process of the step 27;
- Figure 9 is a cross-sectional view showing the color filter in the B-B direction after the process of the step 27.
- the method further comprises: performing a step of coating the protective layer 4! on the color filter layer, and then performing the step of forming the spacer pattern layer.
- a color filter according to the present invention includes a glass substrate 61.
- the glass substrate 61 is provided with a first substrate pattern layer, and a pixel opening region of the first substrate pattern layer.
- An alignment mark 22 is provided.
- the alignment mark is a pattern having an area smaller than or equal to 2500 square micrometers, and the figure is any one of a rectangle, a circle, a triangle, or a polygon.
- the present invention is not limited to this size, and may be other shapes as long as the area of the alignment mark is smaller than the area of the pixel opening area, the alignment mark is disposed in the pixel opening area, and the exposure device of the color filter can recognize and satisfy the exposure.
- Equipment accuracy requirements preferably, the alignment marks are squares having a side length of less than or equal to 50 microns.
- the size and area of the alignment mark are mainly set according to the recognition accuracy of the exposure device itself and the size of the black missing area that can be recognized by the human warming.
- the minimum recognition accuracy of the existing CF exposure device is 50 X 50 ⁇ m Mark, so the present invention proposes less than or equal to 2500 square micrometers (50 X 50 m), in fact, regarding the size and area of the alignment mark, in principle, it is set within the range of the recognition capability of the exposure machine, The smaller the better, the more you display it, the more you will not be noticed by the warmth. According to the actual test, the black missing area is 28338 square micron (163x163 m), which is not noticed by the human eye when displayed.
- the first substrate pattern layer further includes: a black matrix 21, where the pixel opening area is formed on a portion of the glass substrate that is not covered by the black matrix.
- the pixel opening area on the first substrate pattern layer is provided with a color filter layer, which is a red color filter layer 3, a green color filter layer 32, and a blue color filter layer 33.
- a color filter layer which is a red color filter layer 3, a green color filter layer 32, and a blue color filter layer 33.
- the color filter layer is provided with a spacer pattern layer 51.
- a protective layer 41 is further disposed between the color filter layer and the spacer pattern layer.
- the alignment mark is disposed in the pixel opening region of the first substrate pattern layer. In the subsequent process, the alignment mark is used to align the mask to the substrate, and the alignment mark does not need to occupy an additional position, which can be applied to There are no white glass scenes when producing large panel color filters.
- Figure 10 is a schematic illustration of the alignment of a color filter and a mask using the present invention.
- the alignment mark is disposed in the pixel opening region of the first substrate pattern layer.
- the alignment mark is used to align the mask with the substrate, and the alignment mark does not need to occupy an additional position. It can be applied to scenes where there is no white glass when producing large-size panel color filters.
- the so-called large-size panel refers to the case where the panel cannot be completely exposed at one time by using the mask, that is, the panel can be completely exposed after being spliced and exposed multiple times using the mask.
- the invention reduces the size of the alignment mark so as to be formed in the pixel opening region of the first substrate pattern layer, and appears to be a tiny black defect on the finished panel, since the size of the alignment mark is reduced, Therefore, according to the repair specifications of the color filter, it will not be judged as bad.
- the invention is suitable for a scene in which a large-sized panel is required to be stitched and exposed.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/362,053 US20150323715A1 (en) | 2013-07-31 | 2013-12-16 | Method for manufacturing a color filter, and a color filter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328955.5 | 2013-07-31 | ||
| CN2013103289555A CN103389533A (zh) | 2013-07-31 | 2013-07-31 | 一种制造彩色滤光片的方法和彩色滤光片 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015014078A1 true WO2015014078A1 (zh) | 2015-02-05 |
Family
ID=49533854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2013/089587 Ceased WO2015014078A1 (zh) | 2013-07-31 | 2013-12-16 | 一种制造彩色滤光片的方法和彩色滤光片 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20150323715A1 (zh) |
| CN (1) | CN103389533A (zh) |
| WO (1) | WO2015014078A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326336A (zh) * | 2021-11-19 | 2022-04-12 | 无锡中微晶园电子有限公司 | 一种大尺寸芯片曝光方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389533A (zh) * | 2013-07-31 | 2013-11-13 | 京东方科技集团股份有限公司 | 一种制造彩色滤光片的方法和彩色滤光片 |
| CN105334697B (zh) * | 2015-12-08 | 2019-10-11 | 深圳市华星光电技术有限公司 | 光刻胶组合物及彩色滤光片的制作方法 |
| CN105551390A (zh) * | 2016-03-16 | 2016-05-04 | 京东方科技集团股份有限公司 | 一种显示基板及显示装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0902315A2 (en) * | 1997-09-05 | 1999-03-17 | Canon Kabushiki Kaisha | Method of manufacturing a substrate with a black matrix and an array of colour filters |
| JP2003043939A (ja) * | 2001-08-01 | 2003-02-14 | Sanyo Electric Co Ltd | 画像表示装置 |
| CN100442114C (zh) * | 2005-06-02 | 2008-12-10 | 乐金显示有限公司 | 液晶显示装置 |
| CN100460946C (zh) * | 2005-07-05 | 2009-02-11 | 三菱电机株式会社 | 液晶显示装置的制造方法 |
| CN103389533A (zh) * | 2013-07-31 | 2013-11-13 | 京东方科技集团股份有限公司 | 一种制造彩色滤光片的方法和彩色滤光片 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4744954B2 (ja) * | 2005-06-29 | 2011-08-10 | 富士フイルム株式会社 | 基板製造方法および露光装置 |
| JP2009157191A (ja) * | 2007-12-27 | 2009-07-16 | Toppan Printing Co Ltd | カラーフィルタ基板およびこのカラーフィルタ基板を用いた液晶表示装置 |
| CN101515080B (zh) * | 2008-02-19 | 2010-11-03 | 北京京东方光电科技有限公司 | 彩色滤光片的制造方法 |
| CN101819349B (zh) * | 2009-02-27 | 2012-11-21 | 北京京东方光电科技有限公司 | 彩膜基板及其制造方法和液晶面板 |
| RU2510063C1 (ru) * | 2010-01-15 | 2014-03-20 | Шарп Кабусики Кайся | Жидкокристаллическое устройство отображения и способ его изготовления |
| CN102455542A (zh) * | 2010-10-21 | 2012-05-16 | 京东方科技集团股份有限公司 | 彩膜基板的制造方法 |
| CN102681251B (zh) * | 2012-05-14 | 2015-09-09 | 京东方科技集团股份有限公司 | 一种彩色滤光片及其制作方法以及液晶面板和显示装置 |
-
2013
- 2013-07-31 CN CN2013103289555A patent/CN103389533A/zh active Pending
- 2013-12-16 US US14/362,053 patent/US20150323715A1/en not_active Abandoned
- 2013-12-16 WO PCT/CN2013/089587 patent/WO2015014078A1/zh not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0902315A2 (en) * | 1997-09-05 | 1999-03-17 | Canon Kabushiki Kaisha | Method of manufacturing a substrate with a black matrix and an array of colour filters |
| JP2003043939A (ja) * | 2001-08-01 | 2003-02-14 | Sanyo Electric Co Ltd | 画像表示装置 |
| CN100442114C (zh) * | 2005-06-02 | 2008-12-10 | 乐金显示有限公司 | 液晶显示装置 |
| CN100460946C (zh) * | 2005-07-05 | 2009-02-11 | 三菱电机株式会社 | 液晶显示装置的制造方法 |
| CN103389533A (zh) * | 2013-07-31 | 2013-11-13 | 京东方科技集团股份有限公司 | 一种制造彩色滤光片的方法和彩色滤光片 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326336A (zh) * | 2021-11-19 | 2022-04-12 | 无锡中微晶园电子有限公司 | 一种大尺寸芯片曝光方法 |
| CN114326336B (zh) * | 2021-11-19 | 2024-03-22 | 无锡中微晶园电子有限公司 | 一种大尺寸芯片曝光方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103389533A (zh) | 2013-11-13 |
| US20150323715A1 (en) | 2015-11-12 |
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