CN101158772A - Directly-down backlight module and blooming piece fixed structure thereof - Google Patents
Directly-down backlight module and blooming piece fixed structure thereof Download PDFInfo
- Publication number
- CN101158772A CN101158772A CNA2006101317673A CN200610131767A CN101158772A CN 101158772 A CN101158772 A CN 101158772A CN A2006101317673 A CNA2006101317673 A CN A2006101317673A CN 200610131767 A CN200610131767 A CN 200610131767A CN 101158772 A CN101158772 A CN 101158772A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- hole
- blooming piece
- direct type
- optical diaphragm
- 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.)
- Pending
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A down-backlight module and an optical film fixed structure comprises at least one of the optical films, two non-neighboring edges of the optical film group are provided with at least one through hole, each through hole is symmetrically or asymmetrically arranged with the through hole of one non-neighboring edge, a plurality of flexible bodies are respectively arranged in each through hole and respectively provide an outward tension so as to maintain the optical film group flat, so the warpage distortion is not produced due to the changing of the environment temperature and humidity, the display quality and the optical taste of the plane display is effectively improved.
Description
[technical field]
The invention relates to a kind of backlight module blooming piece fixed structure, a kind of blooming piece fixed structure that prevents the blooming piece buckling deformation particularly is provided.
[background technology]
Thin Film Transistor-LCD (Thin Film Transistor-Liquid Crystal Display, TFT-LCD) have advantages such as low consumpting power, thin type light weight and low voltage drive, so be the most general at present a kind of flat-panel screens, be widely used in taking down notes electronic products such as computer, desktop computer and LCD TV.
Usually, LCD panel of thin-film transistor (Panel) is by a thin film transistor (TFT) (Thin FilmTransistor, TFT) array base palte and a colored filter (Color Filter, CF) substrate combines, liquid crystal series of strata are filled between tft array substrate and the CF substrate.Because TFT-LCD can not be luminous voluntarily, thus the source light that need provide image to show by the light source of backlight module, and control liquid crystal via the voltage signal that is sent to each electrode and the penetrability of source light is obtained suitable image show.
Because TFT-LCD develops towards large scale at present, the blooming piece size of backlight module also and then increases, yet the intensity of blooming piece but can't form proportional relation with size, makes blooming piece be easy to generate various buckling deformations, thereby reduces the display quality and the optics taste of display.
Figure 1A be known backlight module on look synoptic diagram, the optical diaphragm group 104 of direct type backlight module (direct backlightmodule) 100 is to place under the housing 102, optical diaphragm group 104 comprises a slice blooming piece at least, housing 102 is the edge that surrounds and hide optical diaphragm group 104, and the part that optical diaphragm group 104 is not hidden by housing 102 is the viewing area of display.
Figure 1B is the cut-away section synoptic diagram of Figure 1A, and direct type backlight module 100 comprises: a light source 108, an optical diaphragm group 104, a diffuser plate 106, a housing 102, a backboard 110 and a side frame 112.Wherein, optical diaphragm group 104 is to be positioned on the diffuser plate 106, side frame 112 is positioned at non-display area, is in order to bearing optical diaphragm group 104 and diffuser plate 106 and combines housing 102 and backboard 110, and light source 108 is to be positioned at diffuser plate 106, side frame 112 and backboard 110 to surround among the space of formation.
Because be free unconstrained around the optical diaphragm group 104, under the situation of temperature and humidity change, optical diaphragm group 104 can Yin Wendu and the influence of humidity and contraction or expansion, when temperature and humidity are returned to original state, optical diaphragm group 104 meetings are because of the residual stress buckling deformation, and then the display quality of reduction display and optics taste.
[summary of the invention]
For the backlight module blooming piece Yin Wendu that solves prior art and the variation of humidity cause residual stress and the problem of buckling deformation, one of purpose of the present invention provides a kind ofly has the backlight module blooming piece fixed structure of outside tension force to keep the smooth of blooming piece.
One of purpose of the present invention provides a kind of direct type backlight module, and it is smooth that wherein blooming piece is kept, not the variation of the temperature of reason external environment and humidity and produce buckling deformation.
One of purpose of the present invention provides a kind of TFT-LCD, and it is smooth that wherein blooming piece is kept, and improves the display quality of TFT-LCD and samples with optics.
One of purpose of the present invention provides a kind of flat-panel screens, and it is smooth that wherein blooming piece is kept, and improves the display quality of flat-panel screens and samples with optics.
Therefore, backlight module blooming piece fixed structure of the present invention can prevent that Yin Wendu and humidity from changing the buckling deformation that is caused, and effectively improves the display quality and the optics taste of flat-panel screens.
In order to achieve the above object, one embodiment of the invention provide a kind of backlight module blooming piece fixed structure, the one neither neighboring edge that comprises the optical diaphragm group of at least one blooming piece has at least one through hole respectively, symmetrical or the asymmetric setting with a through hole at non-conterminous edge of each through hole system, a plurality of elastic bodys place each through hole so that an outside tension force to be provided respectively respectively.
[description of drawings]
Figure 1A be known backlight module on look synoptic diagram.
Figure 1B is the cut-away section synoptic diagram of Figure 1A.
Fig. 2 A be one embodiment of the invention direct type backlight module on look synoptic diagram.
Fig. 2 B is the cut-away section synoptic diagram of Fig. 2 A.
Fig. 3 A is the composition structural representation of the optical diaphragm group of one embodiment of the invention.
Fig. 3 B is the elastomeric composition structural representation of one embodiment of the invention.
Fig. 3 C is the elastic body synoptic diagram of one embodiment of the invention.
Fig. 3 D is the cut-away section synoptic diagram of direct type backlight module of the sheet of inserting spring of one embodiment of the invention.
Fig. 4 A be one embodiment of the invention direct type backlight module on look synoptic diagram.
Fig. 4 B be one embodiment of the invention direct type backlight module on look synoptic diagram.
Fig. 4 C be one embodiment of the invention direct type backlight module on look synoptic diagram.
[embodiment]
Fig. 2 A be one embodiment of the invention direct type backlight module 200 on look synoptic diagram, the optical diaphragm group 204 of direct type backlight module 200 is to place under the housing 202, optical diaphragm group 204 comprises a slice blooming piece at least, housing 202 is the edge that surrounds and hide optical diaphragm group 204, and the part that optical diaphragm group 204 is not hidden by housing 202 is the viewing area of display.The left and right edges that optical diaphragm group 200 is positioned at non-display area have through hole 220,222, two elastic bodys 230,232 respectively and place through hole 220,222 respectively and prop up the through hole edge so that two outside tension force F to be provided
1, F
2Give optical diaphragm group 204, the tension force F that this is outside
1With F
2It is smooth that optical diaphragm group 204 is kept, the not variation of the temperature of reason external environment and humidity and produce buckling deformation, and then influence the display quality and the optics taste of display.
Fig. 2 B is the cut-away section synoptic diagram of Fig. 2 A, and direct type backlight module contains for 200 li: a light source 208, an optical diaphragm group 204, a diffuser plate 206, a housing 202, a backboard 210, a side frame 212 and an elastic body 232.Wherein, optical diaphragm group 204 is to be positioned on the diffuser plate 206, side frame 212 is positioned at non-display area, system is in order to bearing optical diaphragm group 204 and diffuser plate 206 and combine housing 202 and backboard 210, light source 208 is to be positioned at diffuser plate 206, side frame 212 and backboard 210 to surround among the space that forms, in one embodiment, housing 202, side frame 212 are respectively plastic cement or metal with the material system of backboard 210.
As shown in Figure 3A, in one embodiment, optical diaphragm group 204 comprises diffusion sheet 2041 on, an eyeglass (Lens) diaphragm 2042 reaches diffusion sheet 2043, and eyeglass diaphragm 2042 is at last diffusion sheet 2041 and and down between the diffusion sheet 2043.
Refer again to Fig. 2 A, because the function of elastic body 230,232 is to make optical diaphragm group 204 have outside tension force F
1With F
2So available multiple sample attitude is implemented.Shown in Fig. 3 B, in one embodiment, elastic body 232 (or 230) comprises a volute spring and and is linked to helical spring pressing plate, and volute spring 2321 can be respectively plastic cement or metal with the material of pressing plate 2322.Please more in the lump with reference to figure 2A and Fig. 2 B, before elastic body 232 receiving through-holes 222, first compression helical spring 2321 makes pressing plate 2322 produce outside tension force F2.
In another embodiment, shown in Fig. 3 C, elastic body 230,232 is a spring leaf, and the material of spring leaf 2323 can be plastic cement or metal, please more in the lump with reference to figure 2A and Fig. 2 B, first compression spring sheet 2323 is to produce outside tension force F before elastic body 232 receiving through-holes 222
2Fig. 3 D is the cut-away section synoptic diagram of the direct type backlight module 200 of inserting spring sheet 2323, in this embodiment, diffuser plate 206 has and the corresponding perforation 2061 in the position of through hole 222, and 2061 the area of boring a hole is bigger than through hole 222, so spring leaf 2323 can not touch perforation 2061, side frame 212 has groove 2321 with stationary spring 2323, and in one embodiment, the side frame 212 with groove 2121 is by integrated method made.
Above-mentioned explanation continues, in Fig. 2 A, through hole 220,222 is the left and right edges that are arranged at optical diaphragm group 200 symmetrically, according to spirit of the present invention, through hole 220,222 also can asymmetricly be provided with, and can be arranged at the two edges up and down of optical diaphragm group, shown in Fig. 4 A, the optical diaphragm group 304 of direct type backlight module 300 is to place under the housing 302, optical diaphragm group 304 is positioned at the through hole 340 that the two edges up and down of non-display area have two symmetries, 342, two elastic bodys 350,352 place through hole 340 respectively, in 342 and prop up the through hole edge so that two outside tension force F to be provided
3, F
4Give optical diaphragm group 304.
Therefore, one of feature of the present invention be provided with respectively two elastic bodys in the symmetry of the neither neighboring edge of optical diaphragm group or asymmetric through hole so that two outside tension force to be provided, it is smooth that optical diaphragm group is kept, not the variation of the temperature of reason external environment and humidity and produce buckling deformation.
Very and, four edges up and down of optical diaphragm group also can have corresponding through hole simultaneously, shown in Fig. 4 B, the optical diaphragm group 404 of direct type backlight module 400 is to place under the housing 402, left and right and upper and lower four edges that optical diaphragm group 404 is positioned at non-display area have four, and the through holes 420,422 of symmetry and 440,442, four elastic bodys 430,432 and 450,452 place through hole 420,422 and 440,442 and prop up the through hole edge so that four outside tension force F to be provided respectively in twos
5, F
6With F
7, F
8Give optical diaphragm group 404.
Be understandable that, according to spirit of the present invention, direct type backlight module can comprise more symmetries or asymmetrical through hole in the edge of non-display area, very and, knowing this skill person can understand, though the shape of through holes of optical diaphragm group is a rectangle in Fig. 2 A, Fig. 4 A and Fig. 4 B, according to spirit of the present invention, the through hole of optical diaphragm group also can be other shape, for example square, polygon, circle or semicircle or the like shape, and the part that elastic body contacts with through hole also can be multiple type bodies such as rectangular parallelepiped or right cylinder.
Fig. 4 C be another embodiment of the present invention direct type backlight module 500 on look synoptic diagram, the optical diaphragm group 504 of direct type backlight module 500 is to place under the housing 502, optical diaphragm group 504 is positioned at the left side of non-display area, right and last, four edges have eight semi-circular through hole 520 of symmetry in twos down, 522,524,526,540,542,544 and 546, eight elastic bodys 530,532,534,536,550,552,554 and 556 place semi-circular through hole 520 respectively, 522,524,526,540,542, in 544 and 546 and prop up the through hole edge so that eight outside tension force F to be provided
11, F
21, F
12, F
22, F
31, F
41, F
32And F
42Give optical diaphragm group 504.
Therefore, one of feature of the present invention is that the non-conterminous edge of two couples that optical diaphragm group is positioned at non-display area has a plurality of through holes respectively, each through hole system and one of non-conterminous edge through hole symmetry or asymmetric setting, and be provided with elastic body in each through hole so that an outside tension force to be provided respectively, it is smooth that optical diaphragm group is kept, not the variation of the temperature of reason external environment and humidity and produce buckling deformation.
Being familiar with this skill person can understand, blooming piece fixed structure of the present invention is not limited to be applied in direct type backlight module, also can be applicable to the backlight module of other pattern, and direct type backlight module of the present invention is not limited to be applied in TFT-LCD, also can be applied to the flat-panel screens of other pattern.
Therefore, backlight module blooming piece fixed structure of the present invention can prevent that Yin Wendu and humidity from changing the buckling deformation that is caused, and effectively improves the display quality and the optics taste of flat-panel screens.
Above-described embodiment only is explanation technological thought of the present invention and characteristics, its purpose makes the personage who has the knack of this skill can understand content of the present invention and is implementing according to this, when can not with qualification claim of the present invention, promptly the equalization of doing according to disclosed spirit generally changes or modifies, and must be encompassed in the claim of the present invention.
Claims (20)
1. backlight module blooming piece fixed structure comprises:
One optical diaphragm group comprises at least one blooming piece, and wherein the neither neighboring edge of this optical diaphragm group has at least one through hole respectively; And
A plurality of elastic bodys are arranged at respectively in each this through hole.
2. backlight module blooming piece fixed structure according to claim 1 is characterized in that, described elastomeric quantity is at least two.
3. backlight module blooming piece fixed structure according to claim 1 is characterized in that, each this through hole system symmetrical or asymmetric setting with this through hole at this non-conterminous edge.
4. backlight module blooming piece fixed structure according to claim 1 is characterized in that, this elastic body comprises:
One volute spring; And
One pressing plate links this volute spring.
5. backlight module blooming piece fixed structure according to claim 4 is characterized in that the material of this volute spring and this pressing plate is respectively plastic cement or metal.
6. backlight module blooming piece fixed structure according to claim 1 is characterized in that, this elastic body is a spring leaf.
7. backlight module blooming piece fixed structure according to claim 6 is characterized in that, the material of this spring leaf is plastic cement or metal.
8. backlight module blooming piece fixed structure according to claim 1 is characterized in that, being shaped as of this through hole is square, polygon, circle or semicircle.
9. backlight module blooming piece fixed structure according to claim 1 is characterized in that, the part that described elastic body contacts with this through hole respectively is rectangular parallelepiped or right cylinder.
10. direct type backlight module comprises:
One optical diaphragm group comprises at least one blooming piece, and wherein the neither neighboring edge of this optical diaphragm group has at least one through hole respectively;
A plurality of elastic bodys, it is arranged at respectively in each this through hole;
One diffuser plate is to be arranged at this optical diaphragm group below;
One housing, its encirclement and hide the edge of this optical diaphragm group;
One backboard, it is arranged at this diffuser plate below, and forms an accommodation space between this diffuser plate and this backboard;
One side frame, it contacts with marginal surface under this diffuser plate, and in order to carry this diffuser plate with this optical diaphragm group and combine this housing and this backboard, this side frame has a plurality of grooves with fixing described elastic body; And
One light source is arranged in this accommodation space.
11. direct type backlight module according to claim 10 is characterized in that, described elastomeric quantity is at least two.
12. direct type backlight module according to claim 10 is characterized in that, each this through hole system symmetrical or asymmetric setting with this through hole at this non-conterminous edge.
13. direct type backlight module according to claim 10 is characterized in that, this elastic body comprises:
One volute spring; And
One pressing plate links this volute spring.
14. direct type backlight module according to claim 13 is characterized in that, the material of this volute spring and this pressing plate is respectively plastic cement or metal.
15. direct type backlight module according to claim 10 is characterized in that, this elastic body is a spring leaf.
16. direct type backlight module according to claim 15 is characterized in that, the material of this spring leaf is plastic cement or metal.
17. direct type backlight module according to claim 10 is characterized in that, being shaped as of this through hole is square, polygon, circle or semicircle.
18. direct type backlight module according to claim 10 is characterized in that, the part that described elastic body contacts with this through hole respectively is rectangular parallelepiped or right cylinder.
19. direct type backlight module according to claim 10 is characterized in that, this side frame system is by integrated method made.
20. direct type backlight module according to claim 10, it is characterized in that, this diffuser plate has the perforation identical with this number of openings of this optical diaphragm group, and each should perforation position system to position that should through hole, the area of this perforation is greater than this through hole, and this perforation does not contact with this elastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101317673A CN101158772A (en) | 2006-10-08 | 2006-10-08 | Directly-down backlight module and blooming piece fixed structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101317673A CN101158772A (en) | 2006-10-08 | 2006-10-08 | Directly-down backlight module and blooming piece fixed structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101158772A true CN101158772A (en) | 2008-04-09 |
Family
ID=39306919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101317673A Pending CN101158772A (en) | 2006-10-08 | 2006-10-08 | Directly-down backlight module and blooming piece fixed structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101158772A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608788A (en) * | 2012-04-06 | 2012-07-25 | 深圳市华星光电技术有限公司 | Liquid crystal display module for narrow-frame liquid crystal display and liquid crystal display thereof |
| CN102853342A (en) * | 2012-09-11 | 2013-01-02 | 深圳市华星光电技术有限公司 | Edge-lit LED backlight module, liquid crystal display device and fixation method of reflector plate |
| CN102980059A (en) * | 2012-08-15 | 2013-03-20 | 浙江朗同照明有限公司 | Flat flat-panel light |
| CN103090323A (en) * | 2013-01-31 | 2013-05-08 | 深圳市华星光电技术有限公司 | Diaphragm positioning structure and backlight module thereof |
| US20130265519A1 (en) * | 2012-04-06 | 2013-10-10 | Gang Yu | Liquid crystal display unit for narrow framed liquid crystal display and liquid crystal display using the same |
| WO2014005376A1 (en) * | 2012-07-03 | 2014-01-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display thereof |
| US9104069B2 (en) | 2012-07-03 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and liquid crystal display device using the same |
| CN108037619A (en) * | 2018-01-25 | 2018-05-15 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
| WO2019205427A1 (en) * | 2018-04-26 | 2019-10-31 | 惠州市华星光电技术有限公司 | Direct-lit backlight module and liquid crystal display device |
| WO2020258087A1 (en) * | 2019-06-26 | 2020-12-30 | 京东方科技集团股份有限公司 | Display apparatus and frame thereof |
| WO2022063609A1 (en) | 2020-09-22 | 2022-03-31 | Signify Holding B.V. | Tensioner for optical films |
| CN114360366A (en) * | 2020-10-13 | 2022-04-15 | 苏州璨宇光电有限公司 | Backlight module and display device |
-
2006
- 2006-10-08 CN CNA2006101317673A patent/CN101158772A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013149435A1 (en) * | 2012-04-06 | 2013-10-10 | 深圳市华星光电技术有限公司 | Liquid crystal display module for narrow-frame liquid crystal display and liquid crystal display thereof |
| CN102608788A (en) * | 2012-04-06 | 2012-07-25 | 深圳市华星光电技术有限公司 | Liquid crystal display module for narrow-frame liquid crystal display and liquid crystal display thereof |
| US20130265519A1 (en) * | 2012-04-06 | 2013-10-10 | Gang Yu | Liquid crystal display unit for narrow framed liquid crystal display and liquid crystal display using the same |
| US9104069B2 (en) | 2012-07-03 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and liquid crystal display device using the same |
| WO2014005376A1 (en) * | 2012-07-03 | 2014-01-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display thereof |
| CN102980059A (en) * | 2012-08-15 | 2013-03-20 | 浙江朗同照明有限公司 | Flat flat-panel light |
| CN102853342B (en) * | 2012-09-11 | 2015-05-06 | 深圳市华星光电技术有限公司 | Edge-lit LED backlight module, liquid crystal display device and fixation method of reflector plate |
| CN102853342A (en) * | 2012-09-11 | 2013-01-02 | 深圳市华星光电技术有限公司 | Edge-lit LED backlight module, liquid crystal display device and fixation method of reflector plate |
| CN103090323A (en) * | 2013-01-31 | 2013-05-08 | 深圳市华星光电技术有限公司 | Diaphragm positioning structure and backlight module thereof |
| CN103090323B (en) * | 2013-01-31 | 2016-03-30 | 深圳市华星光电技术有限公司 | Diaphragm location structure and backlight module thereof |
| CN108037619A (en) * | 2018-01-25 | 2018-05-15 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
| WO2019205427A1 (en) * | 2018-04-26 | 2019-10-31 | 惠州市华星光电技术有限公司 | Direct-lit backlight module and liquid crystal display device |
| US11016343B2 (en) | 2018-04-26 | 2021-05-25 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Direct type backlight module and liquid crystal display device |
| WO2020258087A1 (en) * | 2019-06-26 | 2020-12-30 | 京东方科技集团股份有限公司 | Display apparatus and frame thereof |
| US11372274B2 (en) | 2019-06-26 | 2022-06-28 | K-Tronics (Suzhou) Technology Co., Ltd. | Display device and frame for the display device |
| WO2022063609A1 (en) | 2020-09-22 | 2022-03-31 | Signify Holding B.V. | Tensioner for optical films |
| CN114360366A (en) * | 2020-10-13 | 2022-04-15 | 苏州璨宇光电有限公司 | Backlight module and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101158772A (en) | Directly-down backlight module and blooming piece fixed structure thereof | |
| CN101211048B (en) | Backlight unit and display device having the same | |
| US8177379B2 (en) | LCD device, backlight module thereof with partition wall and method for manufacturing the same | |
| US11049462B2 (en) | Method for removing backlight mura | |
| CN107357063A (en) | Display device and the tiled display equipment for including the display device | |
| US8721150B2 (en) | Backlight assembly and liquid crystal display device using the same | |
| US20070019134A1 (en) | Polarizing film assembly, method of manufacturing the same and display device having the same | |
| CN102749730A (en) | Liquid crystal display device | |
| CN101201506A (en) | Backlight unit and liquid crystal display device having the same | |
| CN109507829B (en) | Display device | |
| US20110199345A1 (en) | Display apparatus | |
| US6970226B2 (en) | Liquid crystal display having vacuum layer for isolating heat | |
| JP2005134461A (en) | Electrooptical device and electronic device using same | |
| US8395573B2 (en) | Liquid crystal display having sub-pixels provided with three different voltage levels | |
| CN109459901B (en) | Display panel and display device | |
| TW201403578A (en) | Active matrix driving display device and image displaying method using the same | |
| WO2010052958A1 (en) | Display device | |
| CN101907262A (en) | Positioning mechanism and back light module | |
| KR101267084B1 (en) | Liquid crystal module | |
| US6827461B2 (en) | Backlight module | |
| CN100356246C (en) | Liquid crystal display panel and manufacturing method thereof | |
| JP2007017737A (en) | Display device | |
| KR101588900B1 (en) | Liquid crystal display | |
| JPWO2009116201A1 (en) | Active matrix substrate and display device | |
| CN108287419B (en) | Display panel picture crosstalk testing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |