CN102809847A - Color filter, liquid crystal display panel and display device - Google Patents

Color filter, liquid crystal display panel and display device Download PDF

Info

Publication number
CN102809847A
CN102809847A CN2012102570655A CN201210257065A CN102809847A CN 102809847 A CN102809847 A CN 102809847A CN 2012102570655 A CN2012102570655 A CN 2012102570655A CN 201210257065 A CN201210257065 A CN 201210257065A CN 102809847 A CN102809847 A CN 102809847A
Authority
CN
China
Prior art keywords
layer
substrate
compensation
colored filter
thickness
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.)
Granted
Application number
CN2012102570655A
Other languages
Chinese (zh)
Other versions
CN102809847B (en
Inventor
舒适
崔承镇
惠官宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201210257065.5A priority Critical patent/CN102809847B/en
Priority to PCT/CN2012/085765 priority patent/WO2014015608A1/en
Publication of CN102809847A publication Critical patent/CN102809847A/en
Application granted granted Critical
Publication of CN102809847B publication Critical patent/CN102809847B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
  • Liquid Crystal (AREA)

Abstract

The invention provides a color filter, a liquid crystal display panel and a display device, and belongs to the field of liquid crystal display. The color filter comprises a substrate, a compensation layer formed on the substrate, black matrixes formed on the compensation layer, and color filtering layers formed in pixel areas which are defined by the black matrixes, wherein the thickness of the compensation layer is gradually reduced from the center of the substrate to edges of the substrate. The uniformity of the film thickness of the color filtering layers can be improved.

Description

A kind of colored filter, display panels and display device
Technical field
The invention belongs to field of liquid crystal display, particularly a kind of colored filter, display panels and display device.
Background technology
Display panels is box-like to be become with colored filter by array base palte.Each layer of colored filter all is by Polymer Solution spin-coating film on glass substrate, then carries out patterning and processes.With reference to Fig. 1～4, the making flow process of colored filter is: step S11, a substrate 1 is provided, and spin coating one deck is deceived matrix material 21 with photoresist on substrate; Step S12 after adopting the mask plate with black matrix figure that photoresist material 21 is made public and developing, forms the figure of deceiving matrix 2; Step S13, the colored photoresist 31 of spin coating one deck on the substrate 1 of completing steps S 12, after adopting portrayal to have the mask plate of figure that colored photoresist 31 is made public and developing, the figure of formation chromatic filter layer 3.
Because glass substrate when rotation, the linear velocity of substrate center is less than the linear velocity of substrate edges, so the phenomenon of each layer pattern ubiquity thick middle, thin edge.And chromatic filter layer is in uneven thickness, can cause the color performance of final products inhomogeneous, influences display effect.
Summary of the invention
Technical matters to be solved by this invention provides a kind of colored filter, display panels and display device, to improve the uniformity coefficient of chromatic filter layer thickness.
For solving the problems of the technologies described above, the present invention provides technical scheme following:
A kind of colored filter comprises:
Substrate;
Be formed on the layer of compensation on the said substrate, the thickness of said layer of compensation is reduced by substrate center to substrate edges gradually;
Be formed on the black matrix on the said layer of compensation;
Be formed on the interior chromatic filter layer of pixel region that said black matrix limits.
Above-mentioned colored filter, wherein: said layer of compensation is 0.1 μ m～0.8 μ m at the thickness of substrate center with difference at the thickness of substrate edges.
Above-mentioned colored filter wherein, also comprises: be formed on the flatness layer on said chromatic filter layer and the black matrix.
Above-mentioned colored filter wherein, also comprises: be formed on the chock insulator matter on the said flatness layer.
Above-mentioned colored filter wherein, also comprises:
Be formed on the transparent electrode layer on the said flatness layer;
Be formed on the chock insulator matter on the said transparent electrode layer.
A kind of display panels comprises above-mentioned colored filter.
A kind of display device comprises above-mentioned display panels.
Compared with prior art, the present invention is through being provided with layer of compensation on substrate, can compensate the membrane thickness unevenness of the chromatic filter layer that spin coating proceeding causes, thereby avoid the performance of final products color inhomogeneous, and then can improve display effect.
Description of drawings
Fig. 1～4 are the making schematic flow sheet of the colored filter of prior art;
Fig. 5～7 are the making schematic flow sheet of colored filter of the present invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing and specific embodiment to describe the present invention below.
With reference to Fig. 7, the colored filter of the embodiment of the invention can comprise:
Substrate 1;
Be formed on the layer of compensation 4 on the substrate 1, the thickness of layer of compensation 4 is reduced by substrate center to substrate edges gradually;
Be formed on the black matrix 2 on the layer of compensation 4;
Be formed on the interior chromatic filter layer 3 of pixel region that black matrix 2 limits, said chromatic filter layer 3 can comprise red filter layer, green filter layer and blue color filter layer.
Wherein, layer of compensation is transparent, can adopt plastics or inorganic macromolecule material to make.Can the layer of compensation of making in advance be pasted on the substrate, also can adopt the mode of GTG exposure to form said layer of compensation.
Wherein, the thickness of layer of compensation can design with substrate size is different.Generally speaking, layer of compensation can be 0.1 μ m～0.8 μ m in the thickness of substrate center and scope in the difference of the thickness of substrate edges.For example, for the substrate of 70mm*470mm, layer of compensation can be designed as 0.1 μ m in the thickness of substrate center and difference at the thickness of substrate edges; For the substrate of 1100mm*1300mm, layer of compensation can be designed as 0.2 μ m in the thickness of substrate center and difference at the thickness of substrate edges.
Preferably, said colored filter also can comprise the flatness layer that is formed on chromatic filter layer 3 and the black matrix 2, and, be formed on the chock insulator matter on the flatness layer.
Above-mentioned colored filter can be used for the liquid crystal panel that pixel electrode and public electrode all are arranged on array base palte, for example the liquid crystal panel of ADS (ADvanced Super Dimension Switch, a senior ultra dimension switch technology) pattern.For the colored filter that is used for twisted-nematic (TN) mode liquid crystal panel, then between chock insulator matter and flatness layer, also be formed with transparent electrode layer.
With reference to Fig. 5～7, the making flow process of colored filter of the present invention is following:
Step S21 provides a substrate, on substrate, forms layer of compensation;
Layer of compensation is transparent, can adopt plastics or inorganic macromolecule material to make.Can the layer of compensation of making in advance be pasted on the substrate, also can adopt the mode of GTG exposure to form said layer of compensation.
Step S22, the black matrix of spin coating one deck material with photoresist on the substrate of completing steps S21 after adopting the mask plate with black matrix figure that the photoresist material is made public and developing, forms the figure of deceiving matrix;
Step S23, the colored photoresist of spin coating one deck on the substrate of completing steps S22, after adopting portrayal to have the mask plate of figure that colored photoresist is made public and developing, the figure of formation chromatic filter layer;
In this step, be to have carried out 3 photoetching processes to form successively red filter layer, green filter layer and blue color filter layer.
Step S24 carries out transparent resin material (Over Coat, the OC) coating of material, formation flatness layer on the substrate of completing steps S23;
Step S25 forms chock insulator matter on flatness layer.
Wherein, step S24 is an optional step, and promptly when not designing flatness layer in the colored filter, step S24 can omit.
In addition, as previously mentioned, for the liquid crystal panel of TN pattern, when carrying out the making of colored filter, between step S24 and step S25, can also comprise the step that forms transparency conducting layer, at this moment, chock insulator matter is formed on the transparency conducting layer.
The embodiment of the invention also provides a kind of display panels, and said display panels comprises the colored filter that array base palte, the foregoing description provide, and, be filled in the liquid crystal layer between said array base palte and the said colored filter.
The embodiment of the invention also provides a kind of display device, and said display device comprises above-mentioned display panels, and said display device can have the device of Presentation Function for TV, display, DPF etc.
In sum, the embodiment of the invention is through being provided with layer of compensation on substrate, can compensate the membrane thickness unevenness of the chromatic filter layer that spin coating proceeding causes, thereby avoid the performance of final products color inhomogeneous, and then can improve display effect
Should be noted that at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (7)

1. a colored filter is characterized in that, comprising:
Substrate;
Be formed on the layer of compensation on the said substrate, the thickness of said layer of compensation is reduced by substrate center to substrate edges gradually;
Be formed on the black matrix on the said layer of compensation;
Be formed on the interior chromatic filter layer of pixel region that said black matrix limits.
2. colored filter as claimed in claim 1 is characterized in that:
Said layer of compensation is 0.1 μ m～0.8 μ m at the thickness of substrate center with difference at the thickness of substrate edges.
3. colored filter as claimed in claim 1 is characterized in that, also comprises:
Be formed on the flatness layer on said chromatic filter layer and the black matrix.
4. colored filter as claimed in claim 3 is characterized in that, also comprises:
Be formed on the chock insulator matter on the said flatness layer.
5. colored filter as claimed in claim 3 is characterized in that, also comprises:
Be formed on the transparent electrode layer on the said flatness layer;
Be formed on the chock insulator matter on the said transparent electrode layer.
6. a display panels is characterized in that, comprises each described colored filter of claim 1 to 5.
7. a display device is characterized in that, comprises the described display panels of claim 6.
CN201210257065.5A 2012-07-23 2012-07-23 Color filter, liquid crystal display panel and display device Active CN102809847B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210257065.5A CN102809847B (en) 2012-07-23 2012-07-23 Color filter, liquid crystal display panel and display device
PCT/CN2012/085765 WO2014015608A1 (en) 2012-07-23 2012-12-03 Colour filter, liquid crystal display panel and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210257065.5A CN102809847B (en) 2012-07-23 2012-07-23 Color filter, liquid crystal display panel and display device

Publications (2)

Publication Number Publication Date
CN102809847A true CN102809847A (en) 2012-12-05
CN102809847B CN102809847B (en) 2015-07-15

Family

ID=47233579

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210257065.5A Active CN102809847B (en) 2012-07-23 2012-07-23 Color filter, liquid crystal display panel and display device

Country Status (2)

Country Link
CN (1) CN102809847B (en)
WO (1) WO2014015608A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104503134A (en) * 2015-01-21 2015-04-08 合肥鑫晟光电科技有限公司 Colored film base plate, liquid crystal display panel and display device
CN106802508A (en) * 2015-11-26 2017-06-06 上海仪电显示材料有限公司 Colored optical filtering substrates and forming method thereof
CN107247359A (en) * 2017-07-20 2017-10-13 京东方科技集团股份有限公司 A kind of display base plate, display panel and display device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10976612B1 (en) * 2019-12-10 2021-04-13 Tcl China Star Optoelectronics Technology Co., Ltd. Curved liquid crystal display panel and display device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003266003A (en) * 2002-03-14 2003-09-24 Dainippon Printing Co Ltd Method for producing functional device and apparatus for producing the same
JP2004071680A (en) * 2002-08-02 2004-03-04 Dainippon Printing Co Ltd Rotary placement table
CN1928669A (en) * 2005-09-08 2007-03-14 中华映管股份有限公司 Liquid crystal display panel and method for producing colorful filtering substrate
JP2007169076A (en) * 2005-12-19 2007-07-05 Epson Imaging Devices Corp Electro-optical device, electronic equipment, and manufacturing method of electro-optical device
JP2007227205A (en) * 2006-02-24 2007-09-06 Seiko Epson Corp Substrate to be treated, organic el device, manufacturing method thereof, and electronic equipment
CN101276011A (en) * 2007-03-27 2008-10-01 奇美电子股份有限公司 Colorful optical filter and manufacturing method thereof
CN101303522A (en) * 2007-05-10 2008-11-12 比亚迪股份有限公司 Colored filter with spacer, liquid crystal display device and method for making the same
CN101382690A (en) * 2007-09-07 2009-03-11 奇美电子股份有限公司 Colourful optical filter substrate, liquid crystal display panel and method for manufacturing the colourful optical filter substrate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3521716B2 (en) * 1997-11-25 2004-04-19 凸版印刷株式会社 Coating liquid supply device for spin coating device
TWI242663B (en) * 2002-07-09 2005-11-01 Seiko Epson Corp Jetting method of liquid, jetting apparatus of liquid, production method of substrate for electro-optical apparatus and production method of electro-optical apparatus
JP2007160192A (en) * 2005-12-13 2007-06-28 Toppan Printing Co Ltd Film forming method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003266003A (en) * 2002-03-14 2003-09-24 Dainippon Printing Co Ltd Method for producing functional device and apparatus for producing the same
JP2004071680A (en) * 2002-08-02 2004-03-04 Dainippon Printing Co Ltd Rotary placement table
CN1928669A (en) * 2005-09-08 2007-03-14 中华映管股份有限公司 Liquid crystal display panel and method for producing colorful filtering substrate
JP2007169076A (en) * 2005-12-19 2007-07-05 Epson Imaging Devices Corp Electro-optical device, electronic equipment, and manufacturing method of electro-optical device
JP2007227205A (en) * 2006-02-24 2007-09-06 Seiko Epson Corp Substrate to be treated, organic el device, manufacturing method thereof, and electronic equipment
CN101276011A (en) * 2007-03-27 2008-10-01 奇美电子股份有限公司 Colorful optical filter and manufacturing method thereof
CN101303522A (en) * 2007-05-10 2008-11-12 比亚迪股份有限公司 Colored filter with spacer, liquid crystal display device and method for making the same
CN101382690A (en) * 2007-09-07 2009-03-11 奇美电子股份有限公司 Colourful optical filter substrate, liquid crystal display panel and method for manufacturing the colourful optical filter substrate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104503134A (en) * 2015-01-21 2015-04-08 合肥鑫晟光电科技有限公司 Colored film base plate, liquid crystal display panel and display device
CN106802508A (en) * 2015-11-26 2017-06-06 上海仪电显示材料有限公司 Colored optical filtering substrates and forming method thereof
CN106802508B (en) * 2015-11-26 2020-04-10 上海仪电显示材料有限公司 Color filter substrate and forming method thereof
CN107247359A (en) * 2017-07-20 2017-10-13 京东方科技集团股份有限公司 A kind of display base plate, display panel and display device
WO2019015307A1 (en) * 2017-07-20 2019-01-24 京东方科技集团股份有限公司 Display substrate, display panel and display device
US11243425B2 (en) 2017-07-20 2022-02-08 Beijing Boe Display Technology Co., Ltd. Display substrate, display panel and display device

Also Published As

Publication number Publication date
CN102809847B (en) 2015-07-15
WO2014015608A1 (en) 2014-01-30

Similar Documents

Publication Publication Date Title
US9354466B2 (en) Transparent liquid crystal display panel and transparent liquid crystal display
CN103353692B (en) A kind of display floater and preparation method thereof and display device
CN103033978B (en) Color film substrate and manufacturing method thereof and display device
JP4801671B2 (en) Display device
US10509256B2 (en) Manufacturing method of color filter substrate
CN103676293B (en) A kind of color membrane substrates and preparation method thereof, display device
CN104536211B (en) A kind of preparation method of display panel, display device and display panel
CN106842687B (en) Color membrane substrates and preparation method thereof
CN104155796A (en) Liquid crystal display panel structure and manufacturing method thereof
CN103869526B (en) Display substrate, manufacturing method thereof, display panel and display device
CN209590464U (en) A kind of color membrane substrates and display device
CN103838044B (en) Substrate and its manufacture method, display device
CN103698931A (en) Color film substrate, manufacturing method of color film substrate, liquid crystal display screen and display device
CN104614893A (en) Display substrate and manufacturing method thereof as well as display device
CN102809847A (en) Color filter, liquid crystal display panel and display device
WO2015032176A1 (en) Colour filter substrate, and liquid crystal panel and manufacturing method therefor
CN104102042A (en) Color film base plate, manufacturing method thereof, and display device
US9513413B2 (en) Display device, color filter substrate and manufacturing method thereof
US9625760B2 (en) Method for manufacturing color filter substrate, color filter substrate and display device
CN102135678A (en) Color filter and manufacturing method thereof, and liquid crystal display device
US9753365B2 (en) Mask plate
CN102269897A (en) Color film substrate and manufacturing method thereof, liquid crystal panel and liquid crystal display (LCD)
US8792077B2 (en) Color filter, manufacturing method thereof, and liquid crystal panel with the same
CN102466922A (en) Color film substrate, manufacturing method thereof and liquid crystal display (LCD) provided therewith
CN110888268A (en) Liquid crystal display panel and manufacturing method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant