CN213545788U - LED display screen with built-in induction touch - Google Patents
LED display screen with built-in induction touch Download PDFInfo
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- CN213545788U CN213545788U CN202022425156.8U CN202022425156U CN213545788U CN 213545788 U CN213545788 U CN 213545788U CN 202022425156 U CN202022425156 U CN 202022425156U CN 213545788 U CN213545788 U CN 213545788U
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- display screen
- led display
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Abstract
The utility model discloses a LED display screen of built-in response touch, including a main structure body, main structure body includes: the display screen, the capacitive touch screen and the pressure sensing plate; the capacitive touch screen, the pressure sensing plate and the display screen are placed from top to bottom; the display screen comprises a first polaroid, a light filter, a liquid crystal, a thin film transistor, a second polaroid and a backlight plate in sequence; the edge of the metal working plate is provided with an electrode; the pressure sensing plate comprises a substrate and a pressure sensor; the pressure sensor is arranged at the bottom of the substrate; the metal working plate, the substrate and the pressure sensor are connected with the integrated chip through a data bus; the capacitive touch screen and the pressure sensor are combined in the LED display screen, so that the LED display screen can sense the touch of a user and make a response, and the LED display screen has interactivity; can be applied to a plurality of scenes, the function is stronger big, helps the development in LED display screen field.
Description
Technical Field
The utility model relates to a LED display screen field especially relates to a LED display screen of built-in response touch.
Background
The LED display screen is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, video, etc. The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, security trading and the like, and can meet the requirements of different environments.
The traditional LED display screen only has the display function and cannot have touch induction like a mobile phone.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art scheme, the utility model provides a LED display screen of built-in response touch can respond to the touch.
The utility model provides a technical scheme that its technical problem adopted is: a built-in touch-sensitive LED display screen, comprising a structural body, the structural body comprising: the display screen, the capacitive touch screen and the pressure sensing plate; the capacitive touch screen, the pressure sensing plate and the display screen are placed from top to bottom; the display screen comprises a first polaroid, a light filter, a liquid crystal, a thin film transistor, a second polaroid and a backlight plate in sequence; the areas of the first polaroid, the optical filter, the liquid crystal, the thin film transistor, the second polaroid and the backlight plate are equal; the capacitive touch screen comprises a glass protection screen, an ITO layer and a metal working plate; the glass protection screen, the ITO layer and the metal working plate are arranged from outside to inside; the edge of the metal working plate is provided with an electrode; the pressure sensing plate comprises a substrate and a pressure sensor; the pressure sensor is arranged at the bottom of the substrate; the bottom of the backlight plate is provided with an integrated chip which is in control connection with the backlight plate; the metal working plate, the substrate and the pressure sensor are connected with the integrated chip through a data bus.
Furthermore, shells are arranged outside the display screen, the capacitive touch screen and the pressure sensing plate; the bottom of the shell is provided with a bracket;
furthermore, the shell is provided with an infrared receiving frame;
further, the lower end of the shell is provided with a power interface and a data interface;
furthermore, the front end face of the shell is provided with an adjusting button and a power switch.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a LED display screen of built-in response touch, mixed capacitive touch screen and pressure sensors in the LED display screen, make the LED screen can sense user's touch, and make the reflection, make it interactive; can be applied to a plurality of scenes, the function is stronger big, helps the development in LED display screen field.
Drawings
FIG. 1 is a general schematic view of the present invention;
fig. 2 is an overall schematic view of a capacitive touch screen;
FIG. 3 is a schematic view of the pressure sensing plate as a whole;
fig. 4 is an overall schematic view of the display screen.
Reference numbers in the figures: 1-a display screen; 2-a capacitive touch screen; 3-a pressure sensing plate; 4-a first polarizer; 5-an optical filter; 6-liquid crystal; 7-a thin film transistor; 8-a second polarizer; 9-a backlight plate; 10-glass protective screen; 11-an ITO layer; 12-a metal working plate; 13-an electrode; 14-a substrate; 15-a pressure sensor; 16-an integrated chip; 17-a housing; 18-a scaffold; 19-an infrared receiving frame; 20-a power interface; 21-a data interface; 22-an adjustment button; 23-Power switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The following describes the LED display screen with built-in inductive touch according to the present invention in detail with reference to fig. 1 to 4: a built-in touch-sensitive LED display screen, comprising a structural body, the structural body comprising: the touch screen comprises a display screen 1, a capacitive touch screen 2 and a pressure sensing plate 3; the capacitive touch screen 2, the pressure sensing plate 3 and the display screen 1 are arranged from top to bottom; the display screen 1 sequentially comprises a first polaroid 4, an optical filter 5, a liquid crystal 6, a thin film transistor 7, a second polaroid 8 and a backlight plate 9; the areas of the first polaroid 4, the optical filter 5, the liquid crystal 6, the thin film transistor 7, the second polaroid 8 and the backlight plate 9 are equal; the capacitive touch screen 2 comprises a glass protection screen 10, an ITO layer 11 and a metal working plate 12; the glass protection screen 10, the ITO layer 11 and the metal working plate 12 are placed from outside to inside; the edge of the metal working plate 12 is provided with an electrode 13; the pressure sensing plate 3 comprises a substrate 14 and a pressure sensor 15; the pressure sensor 15 is arranged at the bottom of the substrate 14; the bottom of the backlight plate 9 is provided with an integrated chip 16 which is connected with the backlight plate in a control way; the metal working plate 12, the substrate 14 and the pressure sensor 15 are connected to the integrated chip 16 through a data bus.
A shell 17 is arranged outside the display screen 1, the capacitive touch screen 2 and the pressure sensing plate 3; the bottom of the shell 17 is provided with a bracket 18; the shell 17 is provided with an infrared receiving frame 19; the lower end of the shell 17 is provided with a power interface 20 and a data interface 21; the front end surface of the shell 17 is provided with an adjusting button 22 and a power switch 23.
The working principle is as follows: the capacitive touch screen works by utilizing current induction of a human body, a finger touches the glass protection screen 10, the finger sucks a very small current from a contact point, the current respectively flows out of the electrodes 13 at the edge of the metal working plate 12, the ITO layer 11 is a layer of transparent substance, the metal working plate 12 is separated from the glass protection screen 10 to form a capacitor, the integrated chip 16 accurately calculates the proportion of the four currents to obtain the position of a touch point, and controls the display screen 1 to react; when a finger wears a thick glove or other article, the finger can be pressed with a large force, the pressure sensor 15 in the pressure sensing plate 3 senses the pressure received by the substrate 14, the signal is fed back to the integrated chip 16, and the integrated chip 16 controls the change of the display screen 1; wherein the polarizer images the display screen 1 and the filter 5 is an optical device for selecting the desired radiation band.
To sum up, the LED display screen with built-in touch sensor of the present invention combines the capacitive touch screen and the pressure sensor in the LED display screen, so that the LED screen can sense the touch of the user and make a response, so that the LED display screen has interactivity; can be applied to a plurality of scenes, the function is stronger big, helps the development in LED display screen field.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. An LED display screen with built-in touch sensing function, comprising a structural body, wherein the structural body comprises: the display screen, the capacitive touch screen and the pressure sensing plate; the capacitive touch screen, the pressure sensing plate and the display screen are placed from top to bottom;
the display screen comprises a first polaroid, a light filter, a liquid crystal, a thin film transistor, a second polaroid and a backlight plate in sequence; the areas of the first polaroid, the optical filter, the liquid crystal, the thin film transistor, the second polaroid and the backlight plate are equal;
the capacitive touch screen comprises a glass protection screen, an ITO layer and a metal working plate; the glass protection screen, the ITO layer and the metal working plate are arranged from outside to inside; the edge of the metal working plate is provided with an electrode;
the pressure sensing plate comprises a substrate and a pressure sensor; the pressure sensor is arranged at the bottom of the substrate;
the bottom of the backlight plate is provided with an integrated chip which is in control connection with the backlight plate; the metal working plate, the substrate and the pressure sensor are connected with the integrated chip through a data bus.
2. The LED display screen with built-in touch sensor of claim 1, wherein: the outer parts of the display screen, the capacitive touch screen and the pressure sensing plate are provided with shells; the bottom of the shell is provided with a support.
3. The LED display screen with built-in touch sensor of claim 2, wherein: the shell is provided with an infrared receiving frame.
4. The LED display screen with built-in touch sensor of claim 2, wherein: the lower end of the shell is provided with a power interface and a data interface.
5. The LED display screen with built-in touch sensor of claim 2, wherein: the front end face of the shell is provided with an adjusting button and a power switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022425156.8U CN213545788U (en) | 2020-10-27 | 2020-10-27 | LED display screen with built-in induction touch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022425156.8U CN213545788U (en) | 2020-10-27 | 2020-10-27 | LED display screen with built-in induction touch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213545788U true CN213545788U (en) | 2021-06-25 |
Family
ID=76501079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022425156.8U Expired - Fee Related CN213545788U (en) | 2020-10-27 | 2020-10-27 | LED display screen with built-in induction touch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213545788U (en) |
-
2020
- 2020-10-27 CN CN202022425156.8U patent/CN213545788U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 Termination date: 20211027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |