LCM touch display screen

Abstract

The invention relates to an LCM (Liquid Crystal Module) touch display screen which comprises lower glass and upper glass, the lower glass is single-sided ITO (Indium Tin Oxide) glass, the upper glass is double-sided ITO glass, a display circuit is arranged on a binding surface of the lower glass and the upper glass, and the display circuit comprises a group of control display patterns and a group of state display patterns. The upper end face of the upper glass sheet is provided with a group of touch frame-shaped lines, one side of the upper glass sheet is provided with a group of touch pins, each touch frame-shaped line corresponds to one touch pin, and a touch conduction wire is arranged between the touch frame-shaped lines and the touch pins; each touch frame-shaped circuit covers one control display graph; the touch control pin is connected with a touch control chip, and the display circuit is connected with the touch control chip. The problem that an existing touch display screen is high in production cost can be effectively solved.

Description

Technical Field

[0001] The present invention relates to the field of touch display screens, and in particular to an LCM touch display screen. Background Art

[0002] Most existing touch screens are implemented in the form of capacitive screens or resistive screens, which are relatively expensive. Summary of the invention

[0003] The purpose of the present invention is to provide an LCM touch display screen to solve the problem of high production cost of existing touch display screens.

[0004] The technical solution adopted by the present invention to solve its technical problems is: an LCM touch display screen, including a lower glass and an upper glass, the lower glass is a single-sided ITO glass, the upper glass is a double-sided ITO glass, the bonding surfaces of the lower glass and the upper glass are provided with a display circuit, the display circuit includes a group of control display graphics and a group of status display graphics, a group of touch frame-shaped circuits are provided on the upper end surface of the upper glass, a group of touch pins are provided on one side of the upper glass, each touch frame-shaped circuit corresponds to a touch pin, and a touch conduction wiring is provided between the two; each touch frame-shaped circuit covers a control display graphic; the touch pin is connected to a touch chip, and the display circuit is connected to the touch chip.

[0005] Furthermore, a group of color graphics are printed on the bottom surface of the lower glass, each color graphic corresponds to and covers a status display graphic or a control display graphic; and the non-color graphic area on the bottom surface of the lower glass is printed as a black area.

[0006] Furthermore, a color display film is attached to the bottom surface of the lower glass, and the color display film is provided with a group of color graphics, each color graphic corresponds to and covers a state display graphic or a control display graphic; the non-color graphic area of ​​the color display film is all black area.

[0007] Furthermore, it also includes a strip of high-temperature tape, which covers the touch pins.

[0008] The beneficial effects of the present invention are as follows: the upper glass adopts double-sided ITO glass, and a touch frame circuit is set on the upper end surface of the upper glass to correspond to the control display graphics, and the positioning of the control display graphics is realized through the touch chip, thereby realizing the touch function. Compared with the prior art that adopts capacitive screen and resistive screen to realize the touch function, it can greatly reduce the cost of the product and improve the market competitiveness.

[0009] 2. By printing color graphics corresponding to the control display graphics and the status display graphics on the bottom surface of the glass below, and printing the remaining parts as black areas, the color display function is realized, which can further reduce costs.

[0010] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the present invention.

[0012] Figure 2 It is a structural schematic diagram of the touch frame circuit of the present invention.

[0013] Figure 3 It is the wiring diagram of the SEG surface in the present invention.

[0014] Figure 4 It is the routing line of the COM surface in the present invention.

[0015] Figure 5 It is the routing logic table of the present invention.

[0016] Figure 6 It is another structural schematic diagram of the touch frame circuit of the present invention.

[0017] Among them, 1. control display graphics, 2. status display graphics, 3. touch frame circuit, 4. touch pin, 5. touch conduction wiring, 6. strip high temperature tape, 7. upper glass, 8. lower glass. DETAILED DESCRIPTION

[0018] like Figures 1 to 6 shown.

[0019] Embodiment 1, an LCM touch display screen, comprising a lower glass 8 and an upper glass 7, wherein the lower glass 8 is a single-sided ITO glass, and the upper glass 7 is a double-sided ITO glass, and a display circuit is arranged on the bonding surface of the lower glass 8 and the upper glass 7, and the display circuit comprises a group of control display graphics 1 and a group of status display graphics 2, and a group of touch frame-shaped circuits 3 are arranged on the upper end surface of the upper glass 7, and a group of touch pins 4 are arranged on one side of the upper glass 7, and each touch frame-shaped circuit 3 corresponds to a touch pin 4, and a touch conduction wiring 5 is arranged between the two; each touch frame-shaped circuit 3 covers a control display graphic 1; the touch pin 4 is connected to the touch chip, and the display circuit is connected to the touch chip.

[0020] Each touch frame-shaped circuit represents a touch function. When a finger touches the area where one of the touch frame-shaped circuits 3 is located, the touch chip reads the touch information, finds the corresponding control display graphic 1 in the display circuit, and then selects the control display graphic 1 and operates it.

[0021] The status display graphic 2 refers to a graphic used for names, values, air volumes, temperature units, etc., which only has a display function but does not have a touch adjustment function.

[0022] The control display graphic 1 refers to a graphic that can be selected by touch, including mode selection, value adjustment, etc. The same control display graphic 1 can be touched multiple times to achieve functions such as increase and decrease corresponding to the touch frame-shaped circuit 3.

[0023] A group of color graphics are printed on the bottom surface of the lower glass 8, each color graphic corresponds to and covers a state display graphic 2 or a control display graphic 1; the non-color graphic area on the bottom surface of the lower glass 8 is printed as a black area.

[0024] The bottom surface of the lower glass 8 is covered with a color display film, which is provided with a group of color graphics, each color graphic corresponds to and covers a state display graphic 2 or a control display graphic 1; the non-color graphic area of ​​the color display film is all black area.

[0025] It also includes a strip of high temperature adhesive tape 6 , which covers the touch pin 4 .

[0026] In the description of the present invention, it is to be understood that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments. Unless the context clearly indicates otherwise, the singular forms "one", "one" and "one" used herein are also intended to include plural forms. It should also be understood that the terms "include" and / or "comprise" used herein specify the existence of stated features, integers, steps, operations, units and / or components, without excluding the existence or addition of one or more other features, integers, steps, operations, units, components and / or combinations thereof.

[0027] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An LCM touch display screen, comprising a lower glass and an upper glass, characterized in that: The lower glass is single-sided ITO glass, and the upper glass is double-sided ITO glass. The bonding surfaces of the lower glass and the upper glass are provided with display circuits, and the display circuits include a group of control display graphics and a group of status display graphics. The upper end surface of the upper glass is provided with a group of touch frame-shaped circuits, and one side of the upper glass is provided with a group of touch pins. Each touch frame-shaped circuit corresponds to a touch pin, and a touch conduction wiring is provided between the two. Each touch frame-shaped circuit covers a control display graphic. The touch pin is connected to a touch chip, and the display circuit is connected to the touch chip.

2. The LCM touch display screen according to claim 1, characterized in that: A group of color graphics are printed on the bottom surface of the lower glass, each color graphic corresponds to and covers a state display graphic or a control display graphic; the non-color graphic area on the bottom surface of the lower glass is printed as a black area.

3. The LCM touch display screen according to claim 1 or 2, characterized in that: The bottom surface of the lower glass is covered with a color display film, which is provided with a group of color graphics, each color graphic corresponds to and covers a state display graphic or a control display graphic; the non-color graphic area of ​​the color display film is all black area.

4. The LCM touch display screen according to claim 3, characterized in that: Also included is a strip of high temperature tape that covers the touch pins.

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