CN108920013B - Array substrate and touch display panel - Google Patents
Array substrate and touch display panel Download PDFInfo
- Publication number
- CN108920013B CN108920013B CN201810899596.1A CN201810899596A CN108920013B CN 108920013 B CN108920013 B CN 108920013B CN 201810899596 A CN201810899596 A CN 201810899596A CN 108920013 B CN108920013 B CN 108920013B
- Authority
- CN
- China
- Prior art keywords
- touch
- electrode
- touch electrode
- overlapping area
- common electrode
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The invention discloses an array substrate, comprising: the touch control circuit comprises a plurality of common electrode blocks distributed in an array manner, a plurality of touch control electrodes distributed in an array manner and an integrated circuit chip connected with each touch control electrode, wherein the touch control electrodes and the common electrode blocks are in one-to-one correspondence and are arranged in an overlapping manner, the area of the touch control electrodes is not more than that of the common electrode blocks, the farther the touch control electrodes are away from the integrated circuit chip, the smaller the capacitance of the touch control electrodes is, the smaller the area of the touch control electrodes is, and the size of the touch control electrodes is adjusted through the distance between the touch control electrodes and the integrated circuit chip, the common electrode block is provided with an overlapping area and a non-overlapping area, the overlapping area and the touch electrode are arranged in an overlapping mode, the touch electrode is connected with the integrated circuit chip through the touch electrode wire, switching between the touch electrode and the common electrode block is achieved, the non-overlapping area is connected with the integrated circuit chip through the common signal wire, and therefore the problem that quality is affected due to load difference of the touch electrode is effectively solved.
Description
Technical Field
The invention relates to the technical field of liquid crystal display, in particular to a touch array substrate and a touch display panel.
Background
Since the iPhone adopts the capacitive touch display screen, the touch display has the advantage of being directly operated in a touch-permeable manner, so that the public experience requirements on the touch screen are also improved, and the touch screen is the mainstream of the display field, and is widely applied to various electronic products.
The Touch screens In the prior art are roughly classified into an Add on Touch Panel (Add on Touch Panel) and an In cell Touch Panel (In cell Touch Panel) embedded In a display screen. The external touch screen is additionally provided with a touch sensing screen attached to the panel, the embedded touch screen integrates the touch function into the panel, and the external touch panel is not required to be hung, thereby greatly meeting the requirement of consumers on thinning the display,
most of the conventional in-cell touch panels are used for small-sized screens, and the quality of a display screen is affected due to the load difference of touch electrodes when the size is increased. As shown in fig. 1, which is a schematic structural diagram of an array substrate in the prior art, an array substrate 1 includes a common electrode 1 laid on the whole surface and touch electrodes 2 distributed in an array and having the same size, the touch electrodes 2 and the common electrode block 1 are overlapped, each touch electrode 2 of the common electrode is connected to an integrated circuit chip 7 through a touch signal line 4, the touch electrodes 2 of the integrated circuit chip 7 and the common electrode 1 transmit signals at the same time, but because the touch signal line 4 far from the integrated circuit chip 7 is obviously longer than the touch signal line 4 near the integrated circuit chip 7, the load at the far end is larger, the load at the near end is smaller, when the driving force of the integrated circuit chip 7 is not enough to compensate for the difference, the product is poor, and this phenomenon is especially obvious on a large-sized panel.
In view of the above, a problem to be solved by the related art is needed to design a touch electrode of a touch display, or to improve the existing design to avoid the disadvantages caused by the load difference, so as to overcome the above-mentioned defects or shortcomings in the prior art.
Disclosure of Invention
The invention provides an array substrate and a touch display device, which effectively solve the problem of quality influence caused by load difference of touch electrodes.
An array substrate, comprising: the touch control device comprises a plurality of public electrode blocks distributed in an array, a plurality of touch control electrodes distributed in an array, a public electrode wire connecting each public electrode block and an integrated circuit chip, and a touch control electrode wire connecting each touch control electrode and the integrated circuit chip, wherein the touch control electrodes correspond to the public electrode blocks one by one and are at least partially overlapped, and the area of each touch control electrode is not larger than that of the public electrode block; the farther the touch electrode is away from the integrated circuit chip, the smaller the capacitance of the touch electrode is, the smaller the area of the touch electrode is, and when the areas of the touch electrode and the common electrode block are equal, the common electrode block comprises an overlapping area; when the area of the touch electrode is smaller than that of the common electrode block, the common electrode block comprises an overlapping area and a non-overlapping area, the overlapping area is overlapped with the touch electrode, and the common electrode wire passes through the non-overlapping area.
Preferably, the plurality of touch electrodes form a touch electrode group, the capacitance of the plurality of touch electrodes in the touch electrode group is the same, and the farther the touch electrode group is from the integrated circuit chip, the smaller the capacitance of the touch electrodes in the touch electrode group is.
Preferably, the capacitance of the touch electrode group is an average value of theoretical calculated values of capacitances of all touch electrodes in the touch electrode group.
Preferably, the non-overlapping area of the common electrode block and the touch electrode is arranged on one side of the touch electrode.
Preferably, the touch electrode is rectangular, the non-overlapping area of the common electrode block and the touch electrode is two independent rectangles, and the non-overlapping area of the common electrode block and the touch electrode is respectively arranged on two sides of the touch electrode.
Preferably, the touch electrode is rectangular, the non-overlapping area of the common electrode block and the touch electrode is square, and the non-overlapping area of the common electrode block and the touch electrode is arranged around the touch electrode.
Preferably, the touch electrode is a diamond, and the non-overlapping area of the common electrode block and the touch electrode is four independent triangles which are respectively arranged on four sides of the touch electrode.
Preferably, the touch electrode is an irregular pattern, and the non-overlapping area of the common electrode block and the touch electrode is two irregular patterns respectively arranged on two sides of the touch electrode.
The present invention also provides a touch display panel, including: the liquid crystal display panel comprises a color film substrate, the array substrate and a liquid crystal layer between the color film substrate and the array substrate.
The invention provides an array substrate, which adjusts the size of a touch electrode through the distance between the touch electrode and an integrated circuit chip, an overlapping area and a non-overlapping area are arranged on a common electrode block, the overlapping area and the touch electrode are overlapped, the touch electrode is connected with the integrated circuit chip through a touch electrode wire, the switching between the touch electrode and the common electrode block is realized, and the non-overlapping area is connected with the integrated circuit chip through a common signal wire, so that the problem of influence on quality caused by the load difference of the touch electrode is effectively solved.
Drawings
FIG. 1 is a schematic diagram of a prior art array substrate structure;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a third structure according to an embodiment of the present invention.
List of reference numerals: 1-array substrate, 2-touch electrode, 3-common electrode block, 4-touch signal line, 5-common electrode line, 6-touch electrode group, 7-integrated circuit chip, 8-overlap region, 9-non-overlap region, SXm-mth touch electrode group, SXm 1-mth touch electrode group first touch electrode, SXm 2-mth touch electrode group second touch electrode, SXn-nth touch electrode group, SXn 1-nth touch electrode group first touch electrode, SXn 2-nth touch electrode group second touch electrode, SXp-pth touch electrode group, SXp 1-pth touch electrode group first touch electrode, SXp 2-pth touch electrode group second touch electrode.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
The first embodiment is as follows:
fig. 2 is a schematic structural diagram of an array substrate according to an embodiment of the present invention, and as shown in fig. 2, an array substrate 1 includes: the display device comprises an integrated circuit chip 7, scanning lines and data lines which are criss-cross, a plurality of pixel areas defined by the intersection of the scanning lines and the data lines, TFT switches located at the intersection of the scanning lines and the data lines, pixel electrodes located in the pixel areas, a plurality of common electrode blocks 3 distributed in an array, an insulating layer located between the pixel electrodes and the common electrode blocks 3, a plurality of touch electrodes 2 located above the common electrode blocks 3 and distributed in the array, a common electrode line 5 connecting each common electrode block 3 to the integrated circuit chip 7, and a touch electrode line 4 connecting each touch electrode 2 to the integrated circuit chip 7.
The differences from the prior art are that: the common electrode blocks 3 are not laid on the whole surface, but are formed in an area form like the touch electrode 2, and each common electrode block 3 includes a plurality of pixel units.
At least part of the touch electrodes 2 and the common electrode blocks 3 are overlapped with the common electrode blocks, the touch electrodes 2 and the common electrode blocks 3 are in one-to-one correspondence and are overlapped, the area of the touch electrodes 2 is not larger than that of the common electrode blocks 3, and the farther the touch electrodes 2 are away from the integrated circuit chip 7, the smaller the capacitance of the touch electrodes 2 is, and the smaller the area of the touch electrodes 2 is.
The area calculation method of the touch electrode 2 is as follows: the touch electrodes 2 of one column are divided into a touch electrode group 6. In the present embodiment, each touch electrode group 6 includes 2 adjacent touch electrodes 2 in the same column, as shown in fig. 2, it is assumed that the 3 adjacent touch electrode groups 6 from top to bottom are respectively an mth touch electrode group SXm, an nth touch electrode group SXn and a pth touch electrode group SXp, the mth touch electrode group SXm includes two touch electrodes adjacent to each other up and down, that is, an mth touch electrode group first touch electrode SXm1 and an mth touch electrode group second touch electrode SXm2, and the nth touch electrode group SXn includes two touch electrodes adjacent to each other up and down, that is: the touch panel comprises an nth group of touch electrode group first touch electrodes SXn1 and an nth group of touch electrode group second touch electrodes SXn2, wherein a pth group of touch electrode group SXp comprises two vertically adjacent touch electrodes, namely a pth group of touch electrode group first touch electrodes SXp1 and a pth group of touch electrode group second touch electrodes SXp 2.
Taking a group of touch electrode groups closest to the integrated circuit chip 7, i.e., the pth group of touch electrode groups SXp as an example, the load value Yp1 of the pth group of touch electrode groups first touch electrode SXp1 and the load value Yp2 of the pth group of touch electrode groups second touch electrode SXp2 are calculated, respectively, and the following settings are set: the capacitance of the first touch electrode SXp1 of the p-th touch electrode group is denoted by Cp1, the capacitance of the second touch electrode SXp2 of the p-th touch electrode group is denoted by Cp2, the resistance value of the touch connection line 4 connected to the first touch electrode SXp1 of the p-th touch electrode group is denoted by Rp1, the resistance value of the touch connection line 4 connected to the second touch electrode SXp2 of the p-th touch electrode group is denoted by Rp2, Yp1 is Cp1 Rp1, Yp2 is Cp2 Rp2, the load value of the p-th touch electrode group SXp is Yp (Yp1+ Yp2)/2, the resistance value of the touch connection line 4 connected to the first touch electrode SXn1 of the n-th touch electrode group is Rn1, the resistance value of the touch connection line 4 connected to the second touch electrode group SXn2 of the n-th touch electrode group is Cn 5, and the load value of the first touch electrode group SXp is equal to Rn Yn 1 of the first touch electrode group Yn, Rn yrn + Rn yrn-th touch electrode group is Rn yrn r Rn r group, the capacitance Cn of the nth touch electrode group is Yp/(Rn1+ Rn2), so that the area of the touch electrodes in the nth touch electrode group SXn can be obtained.
When the areas of the touch electrode 2 and the common electrode block 3 are equal, the touch electrode 2 is overlapped with the common electrode block 3, and the touch electrode 2 comprises an overlapping area 8; when the area of the touch electrode 2 is smaller than that of the common electrode block 3, the common electrode block 3 comprises an overlapping area 8 and a non-overlapping area 9, the overlapping area 8 is the overlapping part of the common electrode block 3 and the touch electrode 2, the non-overlapping area 9 is connected with the integrated circuit chip 7 through the common electrode line 5 (namely, the common electrode line 5 passes through the non-overlapping area 9), and the non-overlapping area 9 is square and is arranged on one side of the touch electrode 2.
The integrated circuit chip 7 supplies signals to the common electrode block 3 and the touch electrode 2 in the overlapping area 8 through the touch signal line 4, the signals are switched between the common electrode block signals and the touch electrode signals, and the integrated circuit chip 7 supplies signals to the common electrode block 3 in the non-overlapping area 9 through the common electrode line 5, and the signals are the common electrode block signals.
Example two:
fig. 3 is a schematic structural diagram of an embodiment two of the array substrate of the invention, and the embodiment two is improved on the basis of the embodiment one, and the specific improvement points are as follows:
the non-overlapping areas 9 are two independent rectangles, the common electrode blocks 3 and the non-overlapping areas 9 of the touch electrodes 2 are respectively arranged on two sides of the touch electrodes 2, and the two non-overlapping areas 9 are respectively connected with the integrated circuit chip 7 through the common electrode wires 5.
Compared with the embodiment, the load of the common electrode and the touch electrode is more balanced, and the deviation condition is avoided.
Example three:
fig. 4 is a schematic structural diagram of a third embodiment of an array substrate according to the present invention, wherein the third embodiment is an improvement on the first embodiment, and the specific improvement point is that:
the touch electrode 2 is an irregular figure, and the non-overlapping area of the common electrode block 3 and the touch electrode 2 is two irregular figures which are respectively arranged at two sides of the touch electrode 2.
It should be noted that, the touch electrode may also be rectangular, the non-overlapping area of the common electrode block and the touch electrode is square, and the non-overlapping area of the common electrode block and the touch electrode is disposed around the touch electrode. Similarly, the touch electrode can be set to be a diamond shape, and the non-overlapping area of the common electrode block and the touch electrode is four independent triangular shapes which are respectively arranged on four sides of the touch electrode.
The present invention also provides a touch display panel, including: the color film substrate, the array substrate in the embodiment and the liquid crystal layer between the color film substrate and the array substrate.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the foregoing embodiments, and various equivalent changes (such as number, shape, position, etc.) may be made to the technical solution of the present invention within the technical spirit of the present invention, and these equivalent changes are all within the protection scope of the present invention.
Claims (9)
1. An array substrate, comprising: the method comprises the following steps: the touch control device comprises a plurality of public electrode blocks distributed in an array, a plurality of touch control electrodes distributed in an array, a public electrode wire connecting each public electrode block and an integrated circuit chip, and a touch control electrode wire connecting each touch control electrode and the integrated circuit chip, wherein the touch control electrodes correspond to the public electrode blocks one by one and are at least partially overlapped, and the area of each touch control electrode is not larger than that of the public electrode block; the farther the touch electrode is away from the integrated circuit chip, the smaller the capacitance of the touch electrode is, the smaller the area of the touch electrode is, and when the areas of the touch electrode and the common electrode block are equal, the common electrode block comprises an overlapping area; when the area of the touch electrode is smaller than that of the common electrode block, the common electrode block comprises an overlapping area and a non-overlapping area, the overlapping area is overlapped with the touch electrode, and the common electrode wire passes through the non-overlapping area; the integrated circuit chip provides a first signal for the common electrode block and the touch electrode in the overlapping area through a touch signal line, and the first signal is switched between the common electrode block signal and the touch electrode signal; the non-overlapping area is connected with the integrated circuit chip through a common electrode wire, the integrated circuit chip provides a second signal for a common electrode block in the non-overlapping area through the common electrode wire, and the second signal is a common electrode block signal.
2. The array substrate of claim 1, wherein: the touch electrodes form a touch electrode group, the capacitance of the touch electrodes in the touch electrode group is the same, and the farther the touch electrode group is away from the integrated circuit chip, the smaller the capacitance of the touch electrodes in the touch electrode group is.
3. The array substrate of claim 2, wherein: and the touch electrode capacitance of the touch electrode group is the average value of theoretical calculated values of all touch electrode capacitances in the touch electrode group.
4. The array substrate of claim 1, wherein: the non-overlapping area of the common electrode block and the touch electrode is arranged on one side of the touch electrode.
5. The array substrate of claim 1, wherein: the touch electrode is rectangular, the non-overlapping area of the common electrode block and the touch electrode is two independent rectangles, and the non-overlapping area of the common electrode block and the touch electrode is respectively arranged on two sides of the touch electrode.
6. The array substrate of claim 1, wherein: the touch electrode is rectangular, the non-overlapping area of the public electrode block and the touch electrode is square, and the non-overlapping area of the public electrode block and the touch electrode is arranged around the touch electrode.
7. The array substrate of claim 1, wherein: the touch electrode is rhombic, and the non-overlapping areas of the common electrode block and the touch electrode are four independent triangles which are respectively arranged on the four sides of the touch electrode.
8. The array substrate of claim 1, wherein: the touch electrode is in an irregular pattern, and the non-overlapping area of the common electrode block and the touch electrode is in two irregular patterns which are respectively arranged on two sides of the touch electrode.
9. A touch display panel, comprising: the liquid crystal display panel comprises a color film substrate, an array substrate and a liquid crystal layer between the color film substrate and the array substrate, and is characterized in that: the array substrate is the array substrate according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899596.1A CN108920013B (en) | 2018-08-09 | 2018-08-09 | Array substrate and touch display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899596.1A CN108920013B (en) | 2018-08-09 | 2018-08-09 | Array substrate and touch display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108920013A CN108920013A (en) | 2018-11-30 |
| CN108920013B true CN108920013B (en) | 2021-08-17 |
Family
ID=64397329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810899596.1A Active CN108920013B (en) | 2018-08-09 | 2018-08-09 | Array substrate and touch display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108920013B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708464B (en) * | 2020-06-30 | 2022-09-09 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
| CN112051934A (en) * | 2020-08-07 | 2020-12-08 | 武汉华星光电半导体显示技术有限公司 | Touch panel |
| CN112162661B (en) * | 2020-10-27 | 2022-09-27 | 武汉华星光电半导体显示技术有限公司 | Touch control display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699357A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Electronic equipment, touch display panel and touch display substrate |
| CN104820519A (en) * | 2015-05-08 | 2015-08-05 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
| WO2018098680A1 (en) * | 2016-11-30 | 2018-06-07 | Boe Technology Group Co., Ltd. | Touch substrate, display panel, display apparatus, and fabricating method thereof |
-
2018
- 2018-08-09 CN CN201810899596.1A patent/CN108920013B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699357A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Electronic equipment, touch display panel and touch display substrate |
| CN104820519A (en) * | 2015-05-08 | 2015-08-05 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
| WO2018098680A1 (en) * | 2016-11-30 | 2018-06-07 | Boe Technology Group Co., Ltd. | Touch substrate, display panel, display apparatus, and fabricating method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108920013A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102594555B1 (en) | Touch Display Device | |
| CN103955309B (en) | Display panel and its driving method, display device | |
| CN106855762B (en) | A kind of array substrate, touch-control display panel and touch control display apparatus | |
| CN108920013B (en) | Array substrate and touch display panel | |
| US10261624B2 (en) | Touch control display panel, method of manufacturing the same, driving method, and display device | |
| KR102319325B1 (en) | Touch screen liquid crystal display | |
| WO2016058309A1 (en) | In-cell touchscreen and display apparatus | |
| CN203894514U (en) | Display panel and display device | |
| EP3217266B1 (en) | Embedded touch screen, display apparatus and touch drive method | |
| US10824258B2 (en) | Touch display panel | |
| CN107153474B (en) | Touch panel | |
| US20140111476A1 (en) | In-cell capacitive touch panel lcd module and method for driving the same | |
| CN104331205B (en) | Touch control display apparatus and electronic equipment | |
| CN201438247U (en) | Liquid crystal panel and liquid crystal monitor | |
| CN205827356U (en) | A kind of touch-control display panel and touch control display apparatus | |
| CN103164076A (en) | Display device with integrated touch screen | |
| CN101930133A (en) | Liquid crystal panel and liquid crystal display | |
| CN106095209A (en) | There is display device and the driving method thereof of integrated touch screen | |
| US20120162090A1 (en) | Relay driving of displays | |
| CN108958523A (en) | A kind of driving method of touch-control display panel, display device and touch-control display panel | |
| CN103293780A (en) | Touch and control LCD device | |
| EP3151089A1 (en) | Embedded touchscreen and display device | |
| CN105094437A (en) | Touch display panel, driving method thereof and display device | |
| US10809834B2 (en) | Touch display panel, method of driving touch display panel, and display apparatus | |
| US20150346885A1 (en) | Touch control display device and driving method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200911 Address after: No.7 Tianyou Road, Qixia District, Nanjing City, Jiangsu Province Applicant after: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Address before: Nanjing Crystal Valley Road in Qixia District of Nanjing City Tianyou 210033 Jiangsu province No. 7 Applicant before: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Applicant before: NANJING CEC PANDA LCD TECHNOLOGY Co.,Ltd. Applicant before: Nanjing East China Electronic Information Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: No.7 Tianyou Road, Qixia District, Nanjing City, Jiangsu Province Applicant after: Nanjing BOE Display Technology Co.,Ltd. Address before: No.7 Tianyou Road, Qixia District, Nanjing City, Jiangsu Province Applicant before: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |