CN106155405B - Flexible circuit board and electronic equipment using same - Google Patents
Flexible circuit board and electronic equipment using same Download PDFInfo
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- CN106155405B CN106155405B CN201510208613.9A CN201510208613A CN106155405B CN 106155405 B CN106155405 B CN 106155405B CN 201510208613 A CN201510208613 A CN 201510208613A CN 106155405 B CN106155405 B CN 106155405B
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- 239000000758 substrate Substances 0.000 claims abstract description 55
- 238000005192 partition Methods 0.000 claims description 50
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention relates to a flexible circuit board and electronic equipment using the same. The flexible circuit board comprises a substrate, a conductive circuit layer, a plurality of first contact pins and a plurality of second contact pins, wherein the conductive circuit layer, the plurality of first contact pins and the plurality of second contact pins are formed on the substrate, the substrate comprises a first connecting end and a second connecting end, the first contact pins are located at the first connecting end of the substrate, the second contact pins are located at the second connecting end of the substrate, the conductive circuit layer comprises a plurality of conductive circuits, each conductive circuit is electrically connected between one corresponding first contact pin and one second contact pin, the first contact pins comprise a first end close to the second contact pin and a second end far away from the second contact pin, and at least one conductive circuit is arranged between two adjacent first contact pins and connected with the second end of one corresponding first contact pin. The conductive circuit can occupy smaller area, so that the part of the flexible circuit board exposed out of the touch sensing layer of the touch screen is fewer, and the flexible circuit board is more suitable for electronic equipment with large screen occupation ratio.
Description
Technical Field
The invention relates to the field of touch electrical equipment, in particular to a flexible circuit board and electronic equipment using the same.
Background
Touch-type electronic products such as mobile phones, tablet computers, etc. are widely used due to convenience of operation. A flexible circuit board (FPC) is one of indispensable elements in a touch electronic product. The external dimensions of the flexible circuit boards are different according to different types of electronic products applied by the flexible circuit boards and different mounting positions, but the electrical performance design requirements of the flexible circuit boards are different. Along with the increasing demands of consumers on large screens and narrow frames of electronic products such as smart phones, and the increasing number of channels of driving circuits and sensing circuits of touch screens, the placing space reserved for flexible circuit boards on the electronic products is smaller and smaller. Therefore, more and more electronic products have more and more demanding requirements on the external dimensions of the flexible circuit board. Conventional flexible circuit board routing designs are increasingly unable to meet this need.
Disclosure of Invention
Based on this, it is necessary to provide a flexible circuit board and an electronic device using the same, which can not meet the requirements of a large screen and a narrow frame of the electronic device due to the wiring design of the flexible circuit board.
The utility model provides a flexible circuit board, includes the base member, forms conductive line layer, a plurality of first contact foot and a plurality of second contact foot on the base member, the base member includes first link and second link, first contact foot is located the first link of base member, the second contact foot is located the second link of base member, conductive line layer includes a plurality of conductive lines, every conductive line electric connection is between corresponding first contact foot and a second contact foot, first contact foot is including being close to the first end of second contact foot and keeping away from the second end of second contact foot, wherein at least one conductive line arranges between two adjacent first contact feet and links to each other with the second end of corresponding first contact foot.
In one embodiment, the first connection end includes a first partition, a second partition, and a third partition, the second partition is located between the first partition and the third partition, the second ends of the first contact pins in the first partition and the third partition are connected to the corresponding conductive lines, and the first ends of the first contact pins in the second partition are connected to the corresponding conductive lines.
In one embodiment, there is also at least one of the following two features:
A first gap is formed between two nearest first contact pins in the first partition and the second partition, and conductive lines connected with the first contact pins in the first partition pass through the first gap; and
A second gap is formed between the third partition and two first contact pins which are closest to each other in the second partition, and conductive lines connected with the first contact pins in the third partition pass through the second gap.
In one embodiment, at least one of the gap between any two adjacent first contact pins in the first partition, the gap between any two adjacent first contact pins in the second partition, and the gap between any two adjacent first contact pins in the third partition is smaller than the first gap or the second gap.
In one embodiment, the first ends of the first contact pins in the first and third partitions are closer to the second connection end of the substrate than the first ends of the first contact pins in the second partition, and the second ends of the first contact pins in the first and third partitions are closer to the second connection end of the substrate than the second ends of the first contact pins in the second partition.
In one embodiment, the first ends of the first contact pins in the first and third partitions are flush with one side of the first connection end, and the second ends of the first contact pins in the second partition are flush with the other opposite side of the first connection end.
In one embodiment, the substrate further includes a connection portion between the first and second connection ends, and a width of one end of the connection portion connected to the first connection end is greater than a distance between any two first contact pins in the second partition and less than a distance between the first partition and the third partition.
The electronic equipment comprises a touch screen and a flexible circuit board electrically connected with the touch screen, wherein the touch screen comprises a substrate and a touch sensing layer formed on the substrate, the flexible circuit board is any one of the flexible circuit boards, and the touch sensing layer is electrically connected with a first contact pin of the flexible circuit board.
In one embodiment, a side edge of the first connection end of the substrate of the flexible circuit board is flush with a side edge of the touch sensing layer.
In one embodiment, the substrate of the flexible circuit board further comprises a connecting portion located between the first connecting end and the second connecting end, the substrate of the touch screen is provided with a side edge parallel to the side edge of the first connecting end of the substrate of the flexible circuit board, the substrate is provided with a camera hole and an infrared sensing hole, the camera hole and the infrared sensing hole are located between the side edge of the first connecting end and the side edge of the substrate, and the camera hole and the infrared sensing hole are located on two sides of the connecting portion respectively.
According to the flexible circuit board, at least one of the conductive circuits is arranged between two adjacent first contact pins and is connected with the second end of the corresponding first contact pin, so that the arrangement of the conductive circuits on the substrate is more reasonable, and under the premise that the quantity of the conductive circuits is the same, compared with the condition that the conductive circuits are connected with the first ends of the first contact pins, the flexible circuit board does not occupy more substrate area, so that the occupied area of the flexible circuit board can be reduced, and the flexible circuit board can be suitable for the design requirements of a large screen and a narrow frame which are increasingly strong for electronic equipment.
Drawings
Fig. 1 is a schematic structural diagram of a flexible circuit board according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a portion of an electronic device according to an embodiment of the invention.
Detailed Description
As shown in fig. 1, a flexible circuit board 100 according to an embodiment of the present invention includes a substrate 10, a conductive circuit layer 20 formed on the substrate 10, a plurality of first pins 30, and a plurality of second pins 40.
The base body 10 is made of a material having soft properties. The substrate 10 is flexible and bendable, and the conductive trace layer 20 formed on the substrate 10 is not broken when bent, thereby facilitating the adaptation of the flexible circuit board 100 to various electronic device configurations. In some embodiments, the substrate 10 may be a multi-layer composite structure.
The base body 10 includes a first connection end 11, a second connection end 13, and a connection portion 12 between the first connection end 11 and the second connection end 13. The first contact pin 30 is located at the first connection end 11 of the base 10, and the second contact pin 40 is located at the second connection end 13 of the base 10. In an embodiment, the first connection end 11 is configured to be electrically connected to a touch sensing layer of the touch screen, and the second connection end 13 is configured to be connected to a control module. Since the touch sensing layer has a larger number of channels, such as driving circuits and sensing circuits, and a certain distance is required between the circuits to achieve the sensing function, the first connecting end 11 electrically connected to the touch sensing layer has a larger width than the second connecting end 13.
The conductive trace layer 20 is formed on one surface of the substrate 10. The conductive trace layer 20 may be formed on the substrate 10 by a suitable process such as metal film plating and patterning, and the existing process for fabricating the conductive trace layer 20 may be applied to the present invention. The conductive trace layer 20 includes a plurality of conductive traces 21, and the conductive traces 21 are spaced apart from one another. Each conductive trace 21 is electrically connected between a corresponding one of the first pins 30 and a corresponding one of the second pins 40.
The first contact pin 30 is disposed at the first connection end 11, and the second contact pin 40 is disposed at the second connection end 13. The first contact pin 30 and the second contact pin 40 serve as electrodes for electrically conducting the touch screen and the control module, and the first contact pin 30 and the second contact pin 40 have larger wire diameters compared with the conductive line 21. The second contact pins 40 shown in fig. 1 are schematically illustrated with only one square, and it will be appreciated that the individual second contact pins 40 are also spaced apart and electrically isolated from each other.
The first contact pin 30 includes a first end 31 adjacent to the second contact pin 40 and a second end 33 remote from the second contact pin 40. The first contact pins 30 are oriented identically, and in one embodiment, the first contact pins 30 are rectangular. The first pins 30 have the same wire diameter and are disposed parallel to each other.
In the present invention, at least one conductive trace 21 is arranged between two adjacent first contact pins 30 and connected to the second end 33 of a corresponding one of the first contact pins 30. The arrangement can make the arrangement of the conductive lines 21 on the substrate 10 more reasonable, and under the premise that the number of the conductive lines 21 is the same, compared with the situation that the conductive lines 21 are connected with the first ends 31 of the first contact pins 30, the arrangement does not occupy more area of the substrate 10, so that the occupation area of the flexible circuit board 100 can be reduced, and the arrangement can be suitable for the design requirements of increasingly strong large screens and narrow frames of electronic equipment.
Further, in some embodiments, the first connection terminal 11 includes a first partition 111, a second partition 112, and a third partition 113, and the second partition 112 is located between the first partition 111 and the third partition 113. The connection portion 12 of the base body 10 is substantially abutted with the second partition 112 of the first connection end 11. The second ends 33 of the first contact pins 30 in the first and third sections 111, 113 are connected to the respective conductive tracks 21, and the first ends 31 of the first contact pins 30 in the second section 112 are connected to the respective conductive tracks 21.
In order to further increase the integration degree of the conductive traces 21, the occupied area of the substrate 10 is reduced, and a first gap 50 is formed between the two first contact pins 30 closest to each other in the first and second partitions 111 and 112, specifically, as shown in fig. 1, that is, the first gap 50 is formed between the first contact pin 30a in the first partition 111 and the first contact pin 30b in the second partition 112. The conductive traces 21 connected to all the first pins 30 in the first section 111 pass through the first gap 50, and after passing through the first gap 50, the conductive traces 21 are connected to the second ends 33 of the corresponding first pins 30.
Similarly, a second gap 52 is formed between the third section 113 and the two nearest first contact pins 30 in the second section 112, i.e. as shown in fig. 1, the second gap 52 is formed between the first contact pin 30c in the third section 113 and the first contact pin 30d in the second section 112. The conductive traces 21 connected to all the first pins 30 in the third section 113 pass through the second gap 52, and after passing through the second gap 52, the conductive traces 21 are connected to the second ends 33 of the corresponding first pins 30.
Further, a gap 301 is formed between any two adjacent first contact pins 30 in the first partition 111. The respective gaps 301 are equally wide. Gaps 302 are formed between any two adjacent first contact pins 30 in the second partition 112, and each gap 302 is equally wide. Gaps 303 are formed between any two adjacent first contact pins 30 in the third partition 113, and each gap 303 is equally wide.
At least one of the gap 301 between any two adjacent first contact pins 30 in the first section 111, the gap 302 between any two adjacent first contact pins 30 in the second section 112, and the gap 303 between any two adjacent first contact pins 30 in the third section 113 is smaller than the first gap 51 or the second gap 52.
In one embodiment, gaps 301, 302, 303 are equally wide, and first gap 51 and second gap 52 are equally wide.
The first ends 31 of the first pins 30 in the first and third sections 111, 113 are closer to the second connection end 13 of the substrate 10 than the first ends 31 of the first pins 30 in the second section 112, and the second ends 33 of the first pins 30 in the first and third sections 111, 113 are closer to the second connection end 13 of the substrate 10 than the second ends 33 of the first pins 30 in the second section 112. By this arrangement, the conductive line 21 can be more smoothly connected to the second ends 33 of the first contact pins 30 in the first and third partitions 111 and 113, so as to provide a reasonable space for the arrangement of the conductive line 21.
Further, the first ends 31 of the first contact pins 30 in the first and third sections 111, 113 are flush with one side 114 of the first connection end 11, and the second ends 33 of the first contact pins 30 in the second section 112 are flush with the opposite side 115 of the first connection end 11. Because the second ends 33 of the first pins 30 in the first and third sections 111, 113 are used for connecting with the conductive traces 21, the space for arranging the conductive traces 21 at the first ends 31 is not required to be reserved, so that the occupied area of the substrate 10 is reduced as much as possible.
With the above-described flat cable arrangement, the width of the end of the connecting portion 12 to which the first connecting end 11 is connected does not need to be set to a wider dimension. In an embodiment, the width of the end of the connecting portion 12 connected to the first connecting end 11 is greater than the spacing between any two first pins 30 in the second partition 112 and less than the spacing between the first partition 111 and the third partition 113.
The width of the end of the connecting portion 12 connected to the second connecting end 13 is substantially the same as the width of the second connecting end 13.
Referring to fig. 2, the present invention also provides an electronic device using the flexible circuit board 100. The electronic device may be a mobile phone, a tablet computer, a display terminal, etc. The electronic device includes a touch screen 200 and a flexible circuit board 100 electrically connected to the touch screen 200.
The touch screen 200 includes a substrate 60 and a touch sensing layer 70 formed on the substrate 60. The substrate 60 may be a glass substrate or a substrate made of another material such as PMMA. The touch sensing layer 70 may be a conductive pattern layer directly formed on the substrate 60, or may be formed on an independent carrier, and then the substrate 60 is combined, in which case the substrate 60 may be used as a protective cover plate of an electronic device.
The touch sensing layer 70 includes a touch electrode 71 for implementing a touch function, and a conductive electrode (not shown) for forming an electrical connection with the first contact pin 30 of the flexible circuit board 100. The touch electrodes 71 are only shown in the form of boxes in fig. 2, and it is understood that in an actual product, the touch electrodes 71 have a plurality of touch electrodes and are arranged in a certain pattern.
With the flexible circuit board 100 having the above-mentioned flat cable design, the side 114 of the first connection end 11 of the substrate 10 of the flexible circuit board 100 is flush with the side 701 of the touch sensing layer 70. In other words, the first connection end 11 of the flexible circuit board 100 is located inside the edge of the touch sensing layer 70, and the connection portion 12 and the second connection end 13 are located outside the edge of the touch sensing layer 70. Because the conductive wires 21 are connected to the second ends 33 of the first pins 30 in the first and third sections 111 and 113, the conductive wires 21 will not be exposed beyond the edge of the touch sensing layer 70, and the area of the flexible circuit board 100 exposed beyond the edge of the touch sensing layer 70 is reduced, so that the flexible circuit board 100 is more suitable for electronic devices with larger screen occupation ratio (i.e. narrow frame).
Further, the substrate 60 has a side 601, and the side 601 is parallel to the side 701 of the touch sensing layer 70. The substrate 60 is further provided with a camera hole 80 and an infrared sensing hole 81, and the camera hole 80 and the infrared sensing hole 81 are respectively located at two sides of the connecting portion 12 of the base body 10 of the flexible circuit board 100. Due to the adoption of the flexible circuit board 100, the occupied area of the substrate 10 is reduced, so that the cooperation between the substrate and the camera hole 80 and the infrared sensing hole 81 on the electronic equipment is more flexible, and the camera hole 80 and the infrared sensing hole 81 cannot be blocked due to overlarge occupied area.
It can be understood that the electronic device further includes other components such as a display module combined with the touch screen 200, which is not described herein.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a flexible circuit board, includes the base member, forms conductive line layer, a plurality of first contact foot and a plurality of second contact foot on the base member, the base member includes first link and second link, first contact foot is located the first link of base member, the second contact foot is located the second link of base member, conductive line layer includes a plurality of conductive lines, every conductive line electric connection is between corresponding first contact foot and a second contact foot, its characterized in that, first contact foot includes the first end that is close to the second contact foot and keeps away from the second end of second contact foot, and wherein at least one conductive line arranges between two adjacent first contact feet and links to each other with the second end of corresponding first contact foot.
2. The flexible circuit board of claim 1, wherein the first connection end comprises a first section, a second section, and a third section, the second section being located between the first section and the third section, the second ends of the first contact pins in the first section and the third section being connected to the corresponding conductive traces, and the first ends of the first contact pins in the second section being connected to the corresponding conductive traces.
3. The flexible circuit board of claim 2, further characterized by at least one of the following two features:
A first gap is formed between two nearest first contact pins in the first partition and the second partition, and conductive lines connected with the first contact pins in the first partition pass through the first gap; and
A second gap is formed between the third partition and two first contact pins which are closest to each other in the second partition, and conductive lines connected with the first contact pins in the third partition pass through the second gap.
4. The flexible circuit board of claim 3, wherein at least one of a gap between any adjacent two first contact pins in the first zone, a gap between any adjacent two first contact pins in the second zone, and a gap between any adjacent two first contact pins in the third zone is less than the first gap or the second gap.
5. The flexible circuit board of claim 2, wherein the first ends of the first contact pins in the first and third sections are closer to the second connection end of the substrate than the first ends of the first contact pins in the second section, and the second ends of the first contact pins in the first and third sections are closer to the second connection end of the substrate than the second ends of the first contact pins in the second section.
6. The flexible circuit board of claim 5, wherein the first ends of the first contact pins in the first and third sections are flush with one side of the first connection end, and the second ends of the first contact pins in the second section are flush with the opposite side of the first connection end.
7. The flexible circuit board of claim 2 wherein the substrate further comprises a connection portion between the first and second connection ends, a width of an end of the connection portion connected to the first connection end being greater than a spacing between any two of the first contact pins in the second section and less than a spacing between the first section and the third section.
8. An electronic device comprising a touch screen and a flexible circuit board electrically connected with the touch screen, wherein the touch screen comprises a substrate and a touch sensing layer formed on the substrate, the flexible circuit board is the flexible circuit board according to any one of claims 1-7, and the touch sensing layer is electrically connected with a first contact pin of the flexible circuit board.
9. The electronic device of claim 8, wherein a side of the first connection end of the substrate of the flexible circuit board is flush with a side of the touch sensitive layer.
10. The electronic device of claim 8, wherein the substrate of the flexible circuit board further comprises a connection portion between the first and second connection ends, the substrate of the touch screen has a side parallel to the side of the first connection end of the substrate of the flexible circuit board, the substrate is provided with a camera hole and an infrared sensing hole, the camera hole and the infrared sensing hole are located between the side of the first connection end and the side of the substrate, and the camera hole and the infrared sensing hole are located at two sides of the connection portion, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208613.9A CN106155405B (en) | 2015-04-28 | 2015-04-28 | Flexible circuit board and electronic equipment using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208613.9A CN106155405B (en) | 2015-04-28 | 2015-04-28 | Flexible circuit board and electronic equipment using same |
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| Publication Number | Publication Date |
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| CN106155405A CN106155405A (en) | 2016-11-23 |
| CN106155405B true CN106155405B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510208613.9A Active CN106155405B (en) | 2015-04-28 | 2015-04-28 | Flexible circuit board and electronic equipment using same |
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| CN (1) | CN106155405B (en) |
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| CN101610633A (en) * | 2008-06-18 | 2009-12-23 | 索尼株式会社 | Flexible printed circuit board, touch pad, display floater and display |
| CN203054803U (en) * | 2013-01-17 | 2013-07-10 | 深圳市伦丰科技有限公司 | Novel capacitive touch screen |
| CN203490676U (en) * | 2013-06-18 | 2014-03-19 | 苏州市健邦触摸屏技术有限公司 | Capacitive touch screen |
| KR20150015638A (en) * | 2013-07-31 | 2015-02-11 | 엘지디스플레이 주식회사 | Display device having narrow bezel and fabricating method thereof |
| CN204576463U (en) * | 2015-04-28 | 2015-08-19 | 深圳欧菲光科技股份有限公司 | Flexible PCB and apply the electronic equipment of this flexible PCB |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI255673B (en) * | 2004-03-09 | 2006-05-21 | Au Optronics Corp | Flexible printed circuit |
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2015
- 2015-04-28 CN CN201510208613.9A patent/CN106155405B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235375A (en) * | 1998-03-24 | 1999-11-17 | 精工爱普生株式会社 | Mounting structure of semiconductor chip, liquid crystal device, and electronic equipment |
| KR20010030555A (en) * | 1999-09-20 | 2001-04-16 | 마찌다 가쯔히꼬 | Liquid crystal display device |
| JP2002094199A (en) * | 2000-09-13 | 2002-03-29 | Kyocera Corp | Flexible circuit board and electronic device |
| JP2004145761A (en) * | 2002-10-25 | 2004-05-20 | Kawaguchiko Seimitsu Co Ltd | Touch panel |
| CN101610634A (en) * | 2008-06-18 | 2009-12-23 | 索尼株式会社 | Flexible printed circuit board, touch pad, display floater and display |
| CN101610633A (en) * | 2008-06-18 | 2009-12-23 | 索尼株式会社 | Flexible printed circuit board, touch pad, display floater and display |
| CN203054803U (en) * | 2013-01-17 | 2013-07-10 | 深圳市伦丰科技有限公司 | Novel capacitive touch screen |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106155405A (en) | 2016-11-23 |
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Address after: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant after: Ophiguang Group Co.,Ltd. Applicant after: Nanchang OFilm Tech. Co.,Ltd. Applicant after: SUZHOU OFILM TECH Co.,Ltd. Address before: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: OFilm Tech Co.,Ltd. Applicant before: Nanchang OFilm Tech. Co.,Ltd. Applicant before: SUZHOU OFILM TECH Co.,Ltd. Address after: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant after: OFilm Tech Co.,Ltd. Applicant after: Nanchang OFilm Tech. Co.,Ltd. Applicant after: SUZHOU OFILM TECH Co.,Ltd. Address before: 518106 Oufeiguang Science Park, Huafa Section of Songbai Highway, Gongming Town, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen OFilm Tech Co.,Ltd. Applicant before: Nanchang OFilm Tech. Co.,Ltd. Applicant before: SUZHOU OFILM TECH Co.,Ltd. |
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Effective date of registration: 20210224 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Applicant after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Ophiguang Group Co.,Ltd. Applicant before: Nanchang OFilm Tech. Co.,Ltd. Applicant before: SUZHOU OFILM TECH Co.,Ltd. |
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