CN108664176B - Electromagnetic touch structure, lateral backlight display module and display - Google Patents
Electromagnetic touch structure, lateral backlight display module and display Download PDFInfo
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- CN108664176B CN108664176B CN201810615151.6A CN201810615151A CN108664176B CN 108664176 B CN108664176 B CN 108664176B CN 201810615151 A CN201810615151 A CN 201810615151A CN 108664176 B CN108664176 B CN 108664176B
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- 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
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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- 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
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- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- Electromagnetism (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses an electromagnetic touch structure, a side-in type backlight display module and a display. The electromagnetic touch structure comprises a frame structure and an electromagnetic screen structure arranged on the frame structure; the frame structure comprises a flat metal back plate and a frame structure annularly arranged at the peripheral edge of the metal back plate; the electromagnetic screen structure is including folding to be located metal backplate with light guide plate and electromagnetic film between the frame structure, and locate permanent magnet structure on the metal backplate, the permanent magnet structure is located the frame structure is inboard, just the permanent magnet structure is located the electromagnetic film with between the metal backplate, the electromagnetic film is located light guide plate top or below. According to the technical scheme provided by the invention, the electromagnetic signal shielded by the metal back plate can be enhanced, and the touch or writing signal can be normally identified.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to an electromagnetic touch structure, a side-in type backlight display module and a display.
Background
In the conventional art, the electromagnetic touch technology is applied to a large-size touch all-in-one machine (more than 40 inches), and is particularly applied to the design of a display screen module by adopting a side-in backlight module, because the metal back plate of the display screen module is close to the electromagnetic antenna module, when electromagnetic writing is carried out, an electromagnetic signal can be shielded by the metal back plate to form a part, the magnetic flux of an electromagnetic coil of the electromagnetic antenna module is reduced, the difficulty in identifying the writing signal can be caused, and therefore the problems of wire breakage, no wire drawing and the like can occur when the whole machine is used for writing or controlling an electromagnetic writing pen, and the whole machine can not be normally used.
Disclosure of Invention
In view of the above, the present invention provides an electromagnetic touch structure, a lateral backlight display module and a display, which can enhance the electromagnetic signal shielded by the metal back plate and can normally identify a touch or writing signal.
The technical scheme is as follows:
an electromagnetic touch structure comprises a frame structure and an electromagnetic screen structure arranged on the frame structure;
the frame structure comprises a flat metal back plate and a frame structure annularly arranged at the peripheral edge of the metal back plate;
the electromagnetic screen structure is including folding to be located metal backplate with light guide plate and electromagnetic film between the frame structure, and locate permanent magnet structure on the metal backplate, the permanent magnet structure is located the frame structure is inboard, just the permanent magnet structure is located the electromagnetic film with between the metal backplate, the electromagnetic film is located light guide plate top or below.
In the conventional technology, because electromagnetic film and electromagnetic screen structure locate between metal backplate and the frame structure for the distance between the electromagnetic antenna module that corresponds with the electromagnetic film and the metal backplate is nearer, thereby makes metal backplate and frame structure form the electromagnetic shield to the electromagnetic screen structure that is located between the two, leads to electromagnetic antenna module to reduce being close to the magnetic flux of the solenoid of metal backplate's position department. And this application just can strengthen the magnetic flux of the coil of the electromagnetic antenna module that is close to the metal backplate through set up the permanent magnet structure between electromagnetic screen structure and metal backplate to weaken or eliminate the electromagnetic signal shielding of metal backplate and frame structure to electromagnetic film and electromagnetic screen structure, thereby make when utilizing the electromagnetic screen structure to carry out the electromagnetism and write, also can normally discern electromagnetic signal in the position department that the electromagnetic screen structure is close to metal backplate and frame structure, in order to guarantee the normal use of whole electromagnetic screen structure.
The following further technical scheme is explained:
further, the permanent magnet structure is set to be a silicon steel sheet or a silicon steel sheet.
Further, when the electromagnetic film is arranged above the light guide plate, the permanent magnet structure is arranged between the metal back plate and the light guide plate;
when the electromagnetic film is arranged below the light guide plate, the permanent magnet structure is arranged between the metal back plate and the electromagnetic film.
Further, the metal back plate comprises a flat back plate main body, the electromagnetic film comprises a film main body corresponding to the back plate main body, and the permanent magnet structure comprises a permanent magnet main body arranged between the back plate main body and the film main body.
Furthermore, the metal back plate also comprises a back plate edge part positioned on the peripheral side of the back plate main body, and the frame structure is arranged on the back plate edge part;
the electromagnetic film also comprises a film edge part which is positioned on the peripheral side of the film main body and corresponds to the edge part of the back plate, and the film edge part is positioned between the frame structure and the edge part of the back plate;
the permanent magnet structure further comprises a first permanent magnet edge part located on the peripheral side of the permanent magnet main body, and the first permanent magnet edge part is located between the membrane edge part and the backboard edge part.
Further, the permanent magnet structure also comprises a second permanent magnet edge part which is positioned between the film edge part and the frame structure, and the first permanent magnet edge part and the second permanent magnet edge part are respectively arranged on two sides of the film edge part.
Further, the first permanent magnet edge portion and the second permanent magnet edge portion are arranged independently of each other;
or the first permanent magnet edge part extends to bypass the membrane edge part end part and is connected with the second permanent magnet edge part.
Furthermore, the electromagnetic screen structure further comprises a display screen body arranged in the frame structure, and the display screen body corresponds to the electromagnetic film.
In addition, the invention further provides a lateral backlight display module which comprises the electromagnetic touch structure.
In addition, the invention also provides a display which comprises the lateral entrance type backlight display module.
The invention has the following beneficial effects: the permanent magnet structure (such as a silicon (silicon) steel sheet) is additionally arranged on the metal back plate of the electromagnetic touch structure, so that the magnetic flux of a coil of the electromagnetic antenna module close to the metal back plate is enhanced, the signal response of electromagnetic writing of the whole electromagnetic screen structure in the application scene is improved, and the problem of abnormal writing of the whole machine is solved.
Drawings
Fig. 1 is a schematic block diagram of a cross-sectional structure of an electromagnetic touch structure according to the present invention;
FIG. 2 is a schematic block diagram of a cross-sectional structure of the electromagnetic touch structure in some embodiments of the invention;
fig. 3 is a partially enlarged schematic view of a portion a of fig. 2.
Description of reference numerals:
100-metal backboard, 110-backboard main body, 120-backboard edge part, 200-frame structure, 210-frame main body, 220-positioning groove, 300-light guide plate, 400-electromagnetic film, 410-film main body, 420-film edge part, 500-permanent magnet structure, 510-permanent magnet main body, 520-first permanent magnet edge part and 600-display screen body.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiments described below with reference to the drawings are illustrative only and are not to be construed as limiting the invention.
As shown in fig. 1 to fig. 2, an embodiment of the invention provides an electromagnetic touch structure, which includes a frame structure and an electromagnetic screen structure disposed on the frame structure. This frame structure can provide support and fixed for the electromagnetic screen structure, and the electromagnetic screen structure can realize that the electromagnetism writes and control function.
Specifically, the frame structure includes a flat metal back plate 100 and a frame structure 200 disposed around the peripheral edge of the metal back plate 100. The electromagnetic screen structure can be stacked on the metal back plate 100, and the frame structure 200 can be positioned and fixed from the periphery of the electromagnetic screen structure, so that the electromagnetic screen structure is fixed on the frame structure. Further, as shown in fig. 3, the metal backplate 100 may include a backplate main body 110 having a flat plate shape, and a backplate edge portion 120 disposed on the periphery of the backplate main body, and the frame structure 200 is disposed on the backplate edge portion 120. Furthermore, the peripheral edge of the electromagnetic shielding structure is disposed on the edge portion 120 of the backplate, and the middle portion of the electromagnetic shielding structure is attached to the backplate main body 110. In addition, the bezel structure 200 may include a bezel main body 210 disposed on the backplate edge portion 120, and a positioning groove 220 disposed on the bezel main body 210, wherein the positioning groove 220 is located between the bezel main body 210 and the backplate edge portion 120, and the peripheral edge of the electromagnetic screen structure is located in the positioning groove 220, thereby positioning and fixing the electromagnetic screen structure.
Moreover, the electromagnetic screen structure may include a light guide plate 300 and an electromagnetic film 400 stacked between the metal backplate 100 and the bezel structure 200, and the electromagnetic film 400 may be disposed above the light guide plate 300 (indicating a side of the light guide plate facing away from the metal backplate 100) or below the light guide plate 300 (indicating a side of the light guide plate facing the metal backplate 100). Moreover, the peripheral edges of the light guide plate 300 and the electromagnetic film 400 are disposed in the positioning groove 220 between the metal back plate 100 and the frame structure 200, so as to fix the light guide plate 300 and the electromagnetic film 400.
In addition, the electromagnetic screen structure may further include a permanent magnet structure disposed on the metal backplate 100, the permanent magnet structure is located inside the frame structure 200 (referring to a side of the frame structure facing the metal backplate), and the permanent magnet structure is located between the electromagnetic film 400 and the metal backplate 100. In the conventional art, since the electromagnetic screen structure is disposed between the metal backplate 100 and the frame structure 200, the distance between the electromagnetic antenna module corresponding to the electromagnetic film 400 and the metal backplate 100 is short, and the electromagnetic screen structure between the metal backplate 100 and the frame structure 200 forms an electromagnetic shield, which reduces the magnetic flux of the electromagnetic coil of the electromagnetic antenna module at the position close to the metal backplate 100. And this application just can strengthen the magnetic flux of the coil of the electromagnetic antenna module that is close to metal backplate 100 through set up permanent magnet structure 500 between electromagnetic screen structure and metal backplate 100, thereby weaken or eliminate metal backplate 100 (and frame structure 200) and shield electromagnetic signal to electromagnetic film 400 and electromagnetic screen structure, thereby make when utilizing the electromagnetic screen structure to carry out the electromagnetism and write, also can normally discern electromagnetic signal in the position department that the electromagnetic screen structure is close to metal backplate and frame structure, can guarantee the normal use of whole electromagnetic screen structure.
When the electromagnetic film 400 is disposed above the light guide plate 300 (indicating the side of the light guide plate away from the metal back plate 100), the permanent magnet structure 500 is disposed between the metal back plate 100 and the light guide plate 300; when the electromagnetic film 400 is disposed under the light guide plate 300 (i.e., on the side of the light guide plate facing the metal back plate 100), the permanent magnet structure 500 is disposed between the metal back plate 100 and the electromagnetic film 400. Therefore, the permanent magnet structure 500 can be arranged close to the metal backboard 100, blocking is not formed on the light guide plate 300 and other optical components, the magnetic flux of a coil of the electromagnetic antenna module close to the metal backboard 100 can be enhanced to ensure normal use of the electromagnetic screen structure, interference on the light guide plate 300 and the optical components can be avoided, and the optical function of the electromagnetic screen structure can be ensured to be normal.
Further, the electromagnetic film 400 includes a film main body 410 stacked on the backplate main body 110, and the permanent magnet structure 500 includes a permanent magnet main body 510 disposed between the backplate main body 110 and the film main body 410. That is, the electromagnetic performance of the film main body 410 of the electromagnetic film 400 and the corresponding electromagnetic antenna module located at the back plate main body 110 is strengthened by the permanent magnet main body 510 of the permanent magnet structure 500, so as to strengthen the magnetic flux of the coil of the electromagnetic antenna module located at the film main body 410, and reduce or eliminate the electromagnetic signal shielding of the metal back plate 100 and the frame structure 200 to the film main body 410, so that the film main body 410 can normally recognize the electromagnetic signal in the use process, so as to ensure the normal operation of the whole electromagnetic touch structure at the film main body 410 located at the back plate main body 110.
The electromagnetic film 400 further includes a film edge portion 420 located on the periphery of the film main body 410 and corresponding to the backplate edge portion 120, and the film edge portion 420 is located between the bezel main body 210 and the backplate edge portion 120 of the bezel structure 200, i.e., located in the positioning groove 220 between the backplate edge portion 120 and the bezel main body 210. That is, the peripheral edge of the electromagnet film 400 is positioned and fixed by the film edge portion 420 located between the backplate edge portion 120 and the bezel main body 210. Furthermore, the permanent magnet structure 500 further includes a first permanent magnet edge portion 520 connected to the peripheral side of the permanent magnet main body 510, and the first permanent magnet edge portion 520 is located between the membrane edge portion 420 and the backplate edge portion 120, so that the first permanent magnet edge portion 520 further extends into the positioning slot 220. That is, the electromagnetic performance of the film edge part 420 of the electromagnetic film 400 and the corresponding electromagnetic antenna module, which are located between the backboard edge part 120 and the frame main body, can be strengthened by the first permanent magnet edge part 520, the magnetic flux of the partial coil of the electromagnetic antenna module corresponding to the film edge part 420 can be strengthened, the shielding of the metal backboard 100 and the frame structure 200 on the electromagnetic signal of the film edge part 420 can be weakened or eliminated, so that the electromagnetic signal can be normally identified at the position of the film edge part 420 of the electromagnetic film, so that the whole electromagnetic film 400 can normally identify the electromagnetic signal, and the normal operation of the whole electromagnetic touch structure can be ensured. Furthermore, the first permanent magnet rim portion 520 extends partially to the membrane main body 410, so as to ensure the electromagnetic performance at the connection transition between the membrane main body 410 and the membrane rim portion 420. In this case, the electromagnetic film 400 may be disposed under the light guide plate 300, that is, the electromagnetic film 400 is disposed on a side facing the metal back plate 100.
Furthermore, the permanent magnet structure 500 may further include a second permanent magnet edge portion located between the film edge portion 420 and the frame main body 210 of the frame structure 200, the second permanent magnet edge portion is also located in the positioning groove 220 of the frame structure 200, and the first permanent magnet edge portion 520 and the second permanent magnet edge portion are respectively wrapped at two sides of the film edge portion 420. By arranging the permanent magnet structures on both sides of the film edge part 420, the electromagnetic performance of the film edge part 420 and the corresponding electromagnetic antenna module can be strengthened from both sides, so that the film edge part 420 can better identify electromagnetic signals. Moreover, the first permanent magnet edge part and the second permanent magnet edge part extend to the membrane main body 410, so that the electromagnetic performance of the connection transition part of the membrane main body 410 and the membrane edge part 420 is ensured. In addition, in this case, the above electromagnetic film 400 may be provided below or above the light guide plate 300. Moreover, the first permanent magnet edge portion 520 and the second permanent magnet edge portion may be disposed independently from each other, that is, they are separately disposed on both sides of the membrane edge portion 420; or, the first permanent magnet edge 520 may extend around the end of the film edge 420 and connect with the second permanent magnet edge, and the first permanent magnet edge and the second permanent magnet edge do not block the end of the electromagnetic film or the light guide plate, thereby ensuring good light transmittance.
In addition, the permanent magnet structure 500 may be a silicon steel sheet or a silicon steel sheet, which has excellent electromagnetic properties and can well reinforce the electromagnetic properties of the edge of the electromagnetic film 400. Moreover, the permanent magnet structure 500 may be an integral structure, i.e., an integral flat plate structure according to the peripheral edge shapes of the metal back plate 100 and the frame structure 300; in addition, the permanent magnet structure 500 may be a split structure, that is, the permanent magnet structure 500 is formed by a plurality of silicon steel sheets or silicon steel sheets, which are respectively disposed on the metal back plate 100 and on the peripheral edges of the metal back plate 100 and the frame structure 300.
In addition, the electromagnetic screen structure may further include a display screen body 600 disposed in the frame structure 200, wherein the display screen body 600 corresponds to the electromagnetic film 400. Through setting up this display screen body 600 can make electromagnetic screen structure not only can realize the electromagnetism touch-control function, can also realize showing the function. In addition, in the present embodiment, the frame structure 200 may be made of a metal material or a plastic material, or may be made of other materials according to needs.
In addition, the invention further provides a lateral backlight display module which comprises the electromagnetic touch structure. In addition, the invention also provides a display which comprises the lateral entrance type backlight display module. Therefore, the permanent magnet structure (such as a silicon (silicon) steel sheet) is additionally arranged on the metal back plate of the electromagnetic touch structure, the magnetic flux of the coil of the electromagnetic antenna module close to the metal back plate is enhanced, the signal response of electromagnetic writing of the whole electromagnetic screen structure in the application scene is improved, and the problem of abnormal writing of the whole machine is solved.
Further, it is to be understood that, in the present embodiment, the positional relationships indicated by the terms "lower", "upper", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", "one side", "the other side", "one end", "the other end", and the like are based on the positional relationships shown in the drawings; the terms "first," "second," and the like are used herein to distinguish one structural element from another. These terms are merely for convenience in describing the present invention and for simplicity in description, and are not to be construed as limiting the present invention.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An electromagnetic touch structure is characterized by comprising a frame structure and an electromagnetic screen structure arranged on the frame structure;
the frame structure comprises a flat metal back plate and a frame structure annularly arranged at the peripheral edge of the metal back plate;
the electromagnetic screen structure is including folding to be located metal backplate with light guide plate and electromagnetic film between the frame structure, and locate permanent magnet structure on the metal backplate, the permanent magnet structure is located the frame structure is inboard, just the permanent magnet structure is located the electromagnetic film with between the metal backplate, the electromagnetic film is located light guide plate top or below.
2. The electromagnetic touch structure of claim 1, wherein the permanent magnet structure is configured as a silicon steel sheet or a silicon steel sheet.
3. The electromagnetic touch structure of claim 1, wherein when the electromagnetic film is disposed over the light guide plate, the permanent magnet structure is disposed between the metal back plate and the light guide plate;
when the electromagnetic film is arranged below the light guide plate, the permanent magnet structure is arranged between the metal back plate and the electromagnetic film.
4. The electromagnetic touch structure of any one of claims 1 to 3, wherein the metal backplate comprises a plate-shaped backplate main body, the electromagnetic membrane comprises a membrane main body corresponding to the backplate main body, and the permanent magnet structure comprises a permanent magnet main body disposed between the backplate main body and the membrane main body.
5. The electromagnetic touch structure of claim 4, wherein the metal backplate further includes a backplate edge portion located on a peripheral side of the backplate main body, and the bezel structure is disposed on the backplate edge portion;
the electromagnetic film also comprises a film edge part which is positioned on the peripheral side of the film main body and corresponds to the edge part of the back plate, and the film edge part is positioned between the frame structure and the edge part of the back plate;
the permanent magnet structure further comprises a first permanent magnet edge part located on the peripheral side of the permanent magnet main body, and the first permanent magnet edge part is located between the membrane edge part and the backboard edge part.
6. The electromagnetic touch structure of claim 5, wherein the permanent magnet structure further comprises a second permanent magnet edge portion located between the film edge portion and the frame structure, and the first permanent magnet edge portion and the second permanent magnet edge portion are respectively wrapped on two sides of the film edge portion.
7. The electromagnetic touch structure of claim 6, wherein the first permanent magnet edge portion and the second permanent magnet edge portion are disposed independently of each other;
or the first permanent magnet edge part extends to bypass the membrane edge part end part and is connected with the second permanent magnet edge part.
8. The electromagnetic touch structure of any one of claims 1-3, wherein the electromagnetic screen structure further includes a display screen body disposed in the bezel structure, the display screen body corresponding to the electromagnetic film.
9. A lateral backlight display module, comprising the electromagnetic touch structure of any one of claims 1 to 8.
10. A display comprising the edge-lit backlight display module of claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615151.6A CN108664176B (en) | 2018-06-14 | 2018-06-14 | Electromagnetic touch structure, lateral backlight display module and display |
| PCT/CN2018/118466 WO2019237672A1 (en) | 2018-06-14 | 2018-11-30 | Electromagnetic touch-control structure, side-type backlight display module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615151.6A CN108664176B (en) | 2018-06-14 | 2018-06-14 | Electromagnetic touch structure, lateral backlight display module and display |
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| Publication Number | Publication Date |
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| CN108664176A CN108664176A (en) | 2018-10-16 |
| CN108664176B true CN108664176B (en) | 2020-07-31 |
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| CN201810615151.6A Active CN108664176B (en) | 2018-06-14 | 2018-06-14 | Electromagnetic touch structure, lateral backlight display module and display |
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| CN (1) | CN108664176B (en) |
| WO (1) | WO2019237672A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664176B (en) * | 2018-06-14 | 2020-07-31 | 广州视源电子科技股份有限公司 | Electromagnetic touch structure, lateral backlight display module and display |
| CN209728723U (en) * | 2018-07-26 | 2019-12-03 | 广州视源电子科技股份有限公司 | Electromagnetic touch screen, interactive intelligence equipment |
| CN113687742B (en) * | 2021-09-02 | 2023-01-06 | 山东蓝贝思特教装集团股份有限公司 | Electromagnetic positioning method and system based on TFT |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202133987U (en) * | 2011-07-22 | 2012-02-01 | 北京京东方光电科技有限公司 | Electromagnetic induction antenna plate, backlight source and display device |
| CN202267947U (en) * | 2011-09-28 | 2012-06-06 | 汉王科技股份有限公司 | Electromagnetic handwriting screen |
| KR102479921B1 (en) * | 2016-01-08 | 2022-12-20 | 엘지디스플레이 주식회사 | Display panel supporting unit and display device using the same |
| CN206489551U (en) * | 2017-01-18 | 2017-09-12 | 深圳优派汉王触控科技有限公司 | Electromagnetic touch modular structure and handwriting screen |
| CN106980207B (en) * | 2017-05-12 | 2023-09-01 | 广州视源电子科技股份有限公司 | Direct type backlight display module and display equipment |
| CN208367671U (en) * | 2018-06-14 | 2019-01-11 | 广州视源电子科技股份有限公司 | Electromagnetic touch structure, side entrance back display module and display |
| CN108664176B (en) * | 2018-06-14 | 2020-07-31 | 广州视源电子科技股份有限公司 | Electromagnetic touch structure, lateral backlight display module and display |
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2018
- 2018-06-14 CN CN201810615151.6A patent/CN108664176B/en active Active
- 2018-11-30 WO PCT/CN2018/118466 patent/WO2019237672A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2019237672A1 (en) | 2019-12-19 |
| CN108664176A (en) | 2018-10-16 |
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